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/* $OpenBSD: if_ral_pci.c,v 1.28 2022/03/11 18:00:48 mpi Exp $ */
/*-
* Copyright (c) 2005-2010 Damien Bergamini <damien.bergamini@free.fr>
*
* 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 Ralink RT2560/RT2561/RT2860/RT3090 driver.
*/
#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_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_amrr.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/ic/rt2560var.h>
#include <dev/ic/rt2661var.h>
#include <dev/ic/rt2860var.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
static struct ral_opns {
int (*attach)(void *, int);
int (*detach)(void *);
void (*suspend)(void *);
void (*wakeup)(void *);
int (*intr)(void *);
} ral_rt2560_opns = {
rt2560_attach,
rt2560_detach,
rt2560_suspend,
rt2560_wakeup,
rt2560_intr
}, ral_rt2661_opns = {
rt2661_attach,
rt2661_detach,
rt2661_suspend,
rt2661_wakeup,
rt2661_intr
}, ral_rt2860_opns = {
rt2860_attach,
rt2860_detach,
rt2860_suspend,
rt2860_wakeup,
rt2860_intr
};
struct ral_pci_softc {
union {
struct rt2560_softc sc_rt2560;
struct rt2661_softc sc_rt2661;
struct rt2860_softc sc_rt2860;
} u;
#define sc_sc u.sc_rt2560
/* PCI specific goo */
struct ral_opns *sc_opns;
pci_chipset_tag_t sc_pc;
void *sc_ih;
bus_size_t sc_mapsize;
};
/* Base Address Register */
#define RAL_PCI_BAR0 0x10
int ral_pci_match(struct device *, void *, void *);
void ral_pci_attach(struct device *, struct device *, void *);
int ral_pci_detach(struct device *, int);
int ral_pci_activate(struct device *, int);
void ral_pci_wakeup(struct ral_pci_softc *);
const struct cfattach ral_pci_ca = {
sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach,
ral_pci_detach, ral_pci_activate
};
const struct pci_matchid ral_pci_devices[] = {
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 },
{ PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 },
{ PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3290 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5360 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5392 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2 },
{ PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3 }
};
int
ral_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices,
nitems(ral_pci_devices)));
}
void
ral_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
struct rt2560_softc *sc = &psc->sc_sc;
struct pci_attach_args *pa = aux;
const char *intrstr;
pci_intr_handle_t ih;
pcireg_t memtype;
int error;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) {
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_RALINK_RT2560:
psc->sc_opns = &ral_rt2560_opns;
break;
case PCI_PRODUCT_RALINK_RT2561:
case PCI_PRODUCT_RALINK_RT2561S:
case PCI_PRODUCT_RALINK_RT2661:
psc->sc_opns = &ral_rt2661_opns;
break;
default:
psc->sc_opns = &ral_rt2860_opns;
break;
}
} else {
/* all other vendors are RT2860 only */
psc->sc_opns = &ral_rt2860_opns;
}
sc->sc_dmat = pa->pa_dmat;
psc->sc_pc = pa->pa_pc;
/* map control/status registers */
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0);
error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st,
&sc->sc_sh, NULL, &psc->sc_mapsize, 0);
if (error != 0) {
printf(": can't map mem space\n");
return;
}
if (pci_intr_map(pa, &ih) != 0) {
printf(": can't map interrupt\n");
return;
}
intrstr = pci_intr_string(psc->sc_pc, ih);
psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET,
psc->sc_opns->intr, sc, sc->sc_dev.dv_xname);
if (psc->sc_ih == NULL) {
printf(": can't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s", intrstr);
(*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id));
}
int
ral_pci_detach(struct device *self, int flags)
{
struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
struct rt2560_softc *sc = &psc->sc_sc;
int error;
if (psc->sc_ih != NULL) {
pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
error = (*psc->sc_opns->detach)(sc);
if (error != 0)
return error;
}
if (psc->sc_mapsize > 0)
bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize);
return 0;
}
int
ral_pci_activate(struct device *self, int act)
{
struct ral_pci_softc *psc = (struct ral_pci_softc *)self;
struct rt2560_softc *sc = &psc->sc_sc;
switch (act) {
case DVACT_SUSPEND:
(*psc->sc_opns->suspend)(sc);
break;
case DVACT_WAKEUP:
ral_pci_wakeup(psc);
break;
}
return 0;
}
void
ral_pci_wakeup(struct ral_pci_softc *psc)
{
struct rt2560_softc *sc = &psc->sc_sc;
int s;
s = splnet();
(*psc->sc_opns->wakeup)(sc);
splx(s);
}
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