168 lines
5.6 KiB
C
168 lines
5.6 KiB
C
/* $NetBSD: if_an_pci.c,v 1.6 2001/11/13 07:48:42 lukem Exp $ */
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/*
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* Copyright (c) 2000 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 Atsushi Onoe.
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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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* PCI bus front-end for the Aironet PC4500/PC4800 Wireless LAN Adapter.
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* Unlike WaveLAN, this adapter attached as PCI device using a PLX 9050
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* PCI to "dumb bus" bridge chip.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_an_pci.c,v 1.6 2001/11/13 07:48:42 lukem Exp $");
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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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#include <sys/callout.h>
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#include <machine/endian.h>
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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 <net/if_ieee80211.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/ic/anreg.h>
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#include <dev/ic/anvar.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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#define AN_PCI_PLX_IOBA 0x14 /* i/o base for PLX chip */
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#define AN_PCI_IOBA 0x18 /* i/o base */
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struct an_pci_softc {
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struct an_softc sc_an; /* real "an" softc */
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/* PCI-specific goo. */
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void *sc_ih; /* interrupt handle */
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};
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int an_pci_match __P((struct device *, struct cfdata *, void *));
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void an_pci_attach __P((struct device *, struct device *, void *));
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struct cfattach an_pci_ca = {
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sizeof(struct an_pci_softc), an_pci_match, an_pci_attach,
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};
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const struct an_pci_product {
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u_int32_t app_vendor; /* PCI vendor ID */
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u_int32_t app_product; /* PCI product ID */
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} an_pci_products[] = {
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{ PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4xxx },
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{ PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4500 },
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{ PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4800 },
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{ PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_350 },
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{ 0, 0 }
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};
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int
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an_pci_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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const struct an_pci_product *app;
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for (app = an_pci_products; app->app_vendor != 0; app++) {
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if (PCI_VENDOR(pa->pa_id) == app->app_vendor &&
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PCI_PRODUCT(pa->pa_id) == app->app_product)
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return 1;
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}
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return 0;
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}
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void
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an_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pci_attach_args *pa = (struct pci_attach_args *)aux;
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struct an_pci_softc *psc = (struct an_pci_softc *) self;
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struct an_softc *sc = &psc->sc_an;
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char devinfo[256];
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char const *intrstr;
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pci_intr_handle_t ih;
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u_int32_t csr;
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pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
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printf(": %s\n", devinfo);
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/* Map I/O registers */
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if (pci_mapreg_map(pa, AN_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0,
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&sc->an_btag, &sc->an_bhandle, NULL, NULL) != 0) {
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printf("%s: unable to map registers\n", self->dv_xname);
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return;
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}
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/* Enable the device. */
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csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
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csr | PCI_COMMAND_MASTER_ENABLE);
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/* Map and establish the interrupt. */
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if (pci_intr_map(pa, &ih)) {
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printf("%s: unable to map interrupt\n", self->dv_xname);
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return;
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}
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intrstr = pci_intr_string(pa->pa_pc, ih);
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psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, an_intr, sc);
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if (psc->sc_ih == NULL) {
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printf("%s: unable to establish interrupt", self->dv_xname);
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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return;
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}
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printf("%s: interrupting at %s\n", self->dv_xname, intrstr);
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sc->sc_enabled = 1;
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if (an_attach(sc) != 0) {
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printf("%s: failed to attach controller\n", self->dv_xname);
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pci_intr_disestablish(pa->pa_pc, psc->sc_ih);
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bus_space_unmap(sc->an_btag, sc->an_bhandle, AN_IOSIZ);
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}
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}
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