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/* $OpenBSD: if_malo_pci.c,v 1.8 2013/12/06 21:03:04 deraadt Exp $ */
/*
* Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* PCI front-end for the Marvell Libertas
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/timeout.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/ic/malo.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
/* Base Address Register */
#define MALO_PCI_BAR1 0x10
#define MALO_PCI_BAR2 0x14
int malo_pci_match(struct device *, void *, void *);
void malo_pci_attach(struct device *, struct device *, void *);
int malo_pci_detach(struct device *, int);
int malo_pci_activate(struct device *, int);
void malo_pci_wakeup(struct malo_softc *);
struct malo_pci_softc {
struct malo_softc sc_malo;
pci_chipset_tag_t sc_pc;
void *sc_ih;
bus_size_t sc_mapsize1;
bus_size_t sc_mapsize2;
};
struct cfattach malo_pci_ca = {
sizeof(struct malo_pci_softc), malo_pci_match, malo_pci_attach,
malo_pci_detach, malo_pci_activate
};
const struct pci_matchid malo_pci_devices[] = {
{ PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8310 },
{ PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_1 },
{ PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88W8335_2 }
};
int
malo_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, malo_pci_devices,
sizeof(malo_pci_devices) / sizeof(malo_pci_devices[0])));
}
void
malo_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
struct pci_attach_args *pa = aux;
struct malo_softc *sc = &psc->sc_malo;
const char *intrstr = NULL;
pci_intr_handle_t ih;
int error;
sc->sc_dmat = pa->pa_dmat;
psc->sc_pc = pa->pa_pc;
/* map control / status registers */
error = pci_mapreg_map(pa, MALO_PCI_BAR1,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sc->sc_mem1_bt, &sc->sc_mem1_bh, NULL, &psc->sc_mapsize1, 0);
if (error != 0) {
printf(": can't map 1st mem space\n");
return;
}
/* map control / status registers */
error = pci_mapreg_map(pa, MALO_PCI_BAR2,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sc->sc_mem2_bt, &sc->sc_mem2_bh, NULL, &psc->sc_mapsize2, 0);
if (error != 0) {
printf(": can't map 2nd mem space\n");
return;
}
/* map interrupt */
if (pci_intr_map(pa, &ih) != 0) {
printf(": can't map interrupt\n");
return;
}
/* establish interrupt */
intrstr = pci_intr_string(psc->sc_pc, ih);
psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, malo_intr, sc,
sc->sc_dev.dv_xname);
if (psc->sc_ih == NULL) {
printf(": could not establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s", intrstr);
malo_attach(sc);
}
int
malo_pci_detach(struct device *self, int flags)
{
struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
struct malo_softc *sc = &psc->sc_malo;
malo_detach(sc);
pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
return (0);
}
int
malo_pci_activate(struct device *self, int act)
{
struct malo_pci_softc *psc = (struct malo_pci_softc *)self;
struct malo_softc *sc = &psc->sc_malo;
struct ifnet *ifp = &sc->sc_ic.ic_if;
switch (act) {
case DVACT_SUSPEND:
if (ifp->if_flags & IFF_RUNNING)
malo_stop(sc);
break;
case DVACT_WAKEUP:
malo_pci_wakeup(sc);
break;
}
return (0);
}
void
malo_pci_wakeup(struct malo_softc *sc)
{
struct ifnet *ifp = &sc->sc_ic.ic_if;
if (ifp->if_flags & IFF_UP)
malo_init(ifp);
}
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