1af44f3c6e
autoconf attach structures and configuration cycle functions (just leave the kernel configuration attribute for now to avoid breaking config(1) files)
304 lines
8.1 KiB
C
304 lines
8.1 KiB
C
/* $NetBSD: if_fxp_cardbus.c,v 1.20 2005/09/09 14:50:58 drochner Exp $ */
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/*
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Johan Danielsson.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* CardBus front-end for the Intel i82557 family of Ethernet chips.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.20 2005/09/09 14:50:58 drochner Exp $");
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#include "opt_inet.h"
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#include "opt_ns.h"
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#include "bpfilter.h"
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#include "rnd.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#if NRND > 0
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#include <sys/rnd.h>
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#endif
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_ether.h>
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#include <machine/endian.h>
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#endif
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/mii/miivar.h>
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#include <dev/ic/i82557reg.h>
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#include <dev/ic/i82557var.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/cardbus/cardbusvar.h>
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#include <dev/pci/pcidevs.h>
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static int fxp_cardbus_match(struct device *, struct cfdata *, void *);
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static void fxp_cardbus_attach(struct device *, struct device *, void *);
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static int fxp_cardbus_detach(struct device * self, int flags);
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static void fxp_cardbus_setup(struct fxp_softc * sc);
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static int fxp_cardbus_enable(struct fxp_softc * sc);
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static void fxp_cardbus_disable(struct fxp_softc * sc);
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struct fxp_cardbus_softc {
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struct fxp_softc sc;
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cardbus_devfunc_t ct;
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pcireg_t base0_reg;
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pcireg_t base1_reg;
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bus_size_t size;
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};
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CFATTACH_DECL(fxp_cardbus, sizeof(struct fxp_cardbus_softc),
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fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate);
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#ifdef CBB_DEBUG
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#define DPRINTF(X) printf X
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#else
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#define DPRINTF(X)
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#endif
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static int
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fxp_cardbus_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct cardbus_attach_args *ca = aux;
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if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL &&
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CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_82557)
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return (1);
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return (0);
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}
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static void
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fxp_cardbus_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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static const char thisfunc[] = "fxp_cardbus_attach";
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struct fxp_softc *sc = (struct fxp_softc *) self;
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struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
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struct cardbus_attach_args *ca = aux;
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bus_space_tag_t iot, memt;
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bus_space_handle_t ioh, memh;
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bus_addr_t adr;
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bus_size_t size;
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csc->ct = ca->ca_ct;
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/*
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* Map control/status registers.
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*/
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if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG,
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PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) {
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csc->base1_reg = adr | 1;
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sc->sc_st = iot;
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sc->sc_sh = ioh;
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csc->size = size;
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} else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG,
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PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
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0, &memt, &memh, &adr, &size) == 0) {
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csc->base0_reg = adr;
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sc->sc_st = memt;
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sc->sc_sh = memh;
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csc->size = size;
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} else
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panic("%s: failed to allocate mem and io space", thisfunc);
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if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1])
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printf(": %s %s\n", ca->ca_cis.cis1_info[0],
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ca->ca_cis.cis1_info[1]);
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else
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printf("\n");
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sc->sc_dmat = ca->ca_dmat;
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sc->sc_enable = fxp_cardbus_enable;
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sc->sc_disable = fxp_cardbus_disable;
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sc->sc_enabled = 0;
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fxp_enable(sc);
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fxp_attach(sc);
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fxp_disable(sc);
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}
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static void
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fxp_cardbus_setup(struct fxp_softc * sc)
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{
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struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
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struct cardbus_softc *psc =
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(struct cardbus_softc *) sc->sc_dev.dv_parent;
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cardbus_chipset_tag_t cc = psc->sc_cc;
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cardbus_function_tag_t cf = psc->sc_cf;
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pcireg_t command;
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cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus,
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csc->ct->ct_func);
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command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG);
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if (csc->base0_reg) {
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Cardbus_conf_write(csc->ct, tag,
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CARDBUS_BASE0_REG, csc->base0_reg);
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(cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
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command |= CARDBUS_COMMAND_MEM_ENABLE |
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CARDBUS_COMMAND_MASTER_ENABLE;
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} else if (csc->base1_reg) {
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Cardbus_conf_write(csc->ct, tag,
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CARDBUS_BASE1_REG, csc->base1_reg);
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(cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
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command |= (CARDBUS_COMMAND_IO_ENABLE |
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CARDBUS_COMMAND_MASTER_ENABLE);
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}
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(cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
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/* enable the card */
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Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command);
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}
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static int
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fxp_cardbus_enable(struct fxp_softc * sc)
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{
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struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
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struct cardbus_softc *psc =
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(struct cardbus_softc *) sc->sc_dev.dv_parent;
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cardbus_chipset_tag_t cc = psc->sc_cc;
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cardbus_function_tag_t cf = psc->sc_cf;
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Cardbus_function_enable(csc->ct);
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fxp_cardbus_setup(sc);
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/* Map and establish the interrupt. */
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sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET,
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fxp_intr, sc);
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if (NULL == sc->sc_ih) {
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printf("%s: couldn't establish interrupt\n",
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sc->sc_dev.dv_xname);
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return 1;
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}
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printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname,
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psc->sc_intrline);
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return 0;
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}
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static void
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fxp_cardbus_disable(struct fxp_softc * sc)
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{
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struct cardbus_softc *psc =
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(struct cardbus_softc *) sc->sc_dev.dv_parent;
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cardbus_chipset_tag_t cc = psc->sc_cc;
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cardbus_function_tag_t cf = psc->sc_cf;
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/* Remove interrupt handler. */
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cardbus_intr_disestablish(cc, cf, sc->sc_ih);
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Cardbus_function_disable(((struct fxp_cardbus_softc *) sc)->ct);
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}
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static int
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fxp_cardbus_detach(self, flags)
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struct device *self;
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int flags;
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{
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struct fxp_softc *sc = (struct fxp_softc *) self;
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struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
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struct cardbus_devfunc *ct = csc->ct;
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int rv, reg;
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#ifdef DIAGNOSTIC
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if (ct == NULL)
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panic("%s: data structure lacks", sc->sc_dev.dv_xname);
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#endif
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rv = fxp_detach(sc);
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if (rv == 0) {
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/*
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* Unhook the interrupt handler.
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*/
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cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
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/*
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* release bus space and close window
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*/
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if (csc->base0_reg)
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reg = CARDBUS_BASE0_REG;
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else
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reg = CARDBUS_BASE1_REG;
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Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size);
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}
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return (rv);
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}
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