182 lines
4.5 KiB
C
182 lines
4.5 KiB
C
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/* $OpenBSD: if_malo_pci.c,v 1.11 2022/03/11 18:00:45 mpi Exp $ */
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/*
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* Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* PCI front-end for the Marvell Libertas
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*/
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#include "bpfilter.h"
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#include <sys/param.h>
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#include <sys/sockio.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/timeout.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/ic/malo.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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/* Base Address Register */
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#define MALO_PCI_BAR1 0x10
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#define MALO_PCI_BAR2 0x14
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int malo_pci_match(struct device *, void *, void *);
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void malo_pci_attach(struct device *, struct device *, void *);
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int malo_pci_detach(struct device *, int);
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int malo_pci_activate(struct device *, int);
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void malo_pci_wakeup(struct malo_softc *);
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struct malo_pci_softc {
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struct malo_softc sc_malo;
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pci_chipset_tag_t sc_pc;
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void *sc_ih;
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bus_size_t sc_mapsize1;
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bus_size_t sc_mapsize2;
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};
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const struct cfattach malo_pci_ca = {
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sizeof(struct malo_pci_softc), malo_pci_match, malo_pci_attach,
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malo_pci_detach, malo_pci_activate
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};
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const struct pci_matchid malo_pci_devices[] = {
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{ PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8310 },
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{ PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 },
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{ PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 }
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};
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int
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malo_pci_match(struct device *parent, void *match, void *aux)
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{
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return (pci_matchbyid((struct pci_attach_args *)aux, malo_pci_devices,
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sizeof(malo_pci_devices) / sizeof(malo_pci_devices[0])));
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}
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void
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malo_pci_attach(struct device *parent, struct device *self, void *aux)
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{
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struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
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struct pci_attach_args *pa = aux;
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struct malo_softc *sc = &psc->sc_malo;
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const char *intrstr = NULL;
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pci_intr_handle_t ih;
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int error;
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sc->sc_dmat = pa->pa_dmat;
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psc->sc_pc = pa->pa_pc;
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/* map control / status registers */
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error = pci_mapreg_map(pa, MALO_PCI_BAR1,
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PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
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&sc->sc_mem1_bt, &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0);
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if (error != 0) {
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printf(": can't map 1st mem space\n");
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return;
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}
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/* map control / status registers */
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error = pci_mapreg_map(pa, MALO_PCI_BAR2,
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PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
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&sc->sc_mem2_bt, &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0);
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if (error != 0) {
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printf(": can't map 2nd mem space\n");
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return;
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}
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/* map interrupt */
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if (pci_intr_map(pa, &ih) != 0) {
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printf(": can't map interrupt\n");
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return;
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}
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/* establish interrupt */
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intrstr = pci_intr_string(psc->sc_pc, ih);
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psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, malo_intr, sc,
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sc->sc_dev.dv_xname);
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if (psc->sc_ih == NULL) {
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printf(": could not establish interrupt");
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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", intrstr);
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malo_attach(sc);
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}
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int
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malo_pci_detach(struct device *self, int flags)
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{
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struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
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struct malo_softc *sc = &psc->sc_malo;
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malo_detach(sc);
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pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
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return (0);
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}
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int
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malo_pci_activate(struct device *self, int act)
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{
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struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
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struct malo_softc *sc = &psc->sc_malo;
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struct ifnet *ifp = &sc->sc_ic.ic_if;
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switch (act) {
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case DVACT_SUSPEND:
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if (ifp->if_flags & IFF_RUNNING)
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malo_stop(sc);
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break;
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case DVACT_WAKEUP:
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malo_pci_wakeup(sc);
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break;
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}
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return (0);
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}
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void
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malo_pci_wakeup(struct malo_softc *sc)
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{
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struct ifnet *ifp = &sc->sc_ic.ic_if;
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if (ifp->if_flags & IFF_UP)
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malo_init(ifp);
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}
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