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/* $OpenBSD: if_malo_cardbus.c,v 1.9 2010/03/27 21:40:13 jsg Exp $ */
/*
* Copyright (c) 2006 Claudio Jeker <claudio@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.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/timeout.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_radiotap.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/cardbus/cardbusvar.h>
#include <dev/ic/malo.h>
struct malo_cardbus_softc {
struct malo_softc sc_malo;
/* cardbus specific goo */
cardbus_devfunc_t sc_ct;
pcitag_t sc_tag;
void *sc_ih;
bus_size_t sc_mapsize1;
bus_size_t sc_mapsize2;
pcireg_t sc_bar1_val;
pcireg_t sc_bar2_val;
int sc_intrline;
pci_chipset_tag_t sc_pc;
};
int malo_cardbus_match(struct device *parent, void *match, void *aux);
void malo_cardbus_attach(struct device *parent, struct device *self,
void *aux);
int malo_cardbus_detach(struct device *self, int flags);
void malo_cardbus_setup(struct malo_cardbus_softc *csc);
int malo_cardbus_enable(struct malo_softc *sc);
void malo_cardbus_disable(struct malo_softc *sc);
struct cfattach malo_cardbus_ca = {
sizeof (struct malo_cardbus_softc), malo_cardbus_match,
malo_cardbus_attach, malo_cardbus_detach
};
static const struct pci_matchid malo_cardbus_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_cardbus_match(struct device *parent, void *match, void *aux)
{
return (cardbus_matchbyid(aux, malo_cardbus_devices,
sizeof (malo_cardbus_devices) / sizeof (malo_cardbus_devices[0])));
}
void
malo_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)self;
struct cardbus_attach_args *ca = aux;
struct malo_softc *sc = &csc->sc_malo;
cardbus_devfunc_t ct = ca->ca_ct;
bus_addr_t base;
int error;
sc->sc_dmat = ca->ca_dmat;
csc->sc_ct = ct;
csc->sc_tag = ca->ca_tag;
csc->sc_intrline = ca->ca_intrline;
csc->sc_pc = ca->ca_pc;
/* power management hooks */
sc->sc_enable = malo_cardbus_enable;
sc->sc_disable = malo_cardbus_disable;
#if 0
sc->sc_power = malo_cardbus_power;
#endif
/* map control/status registers */
error = Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG,
PCI_MAPREG_TYPE_MEM, 0, &sc->sc_mem1_bt,
&sc->sc_mem1_bh, &base, &csc->sc_mapsize1);
if (error != 0) {
printf(": can't map mem1 space\n");
return;
}
csc->sc_bar1_val = base | PCI_MAPREG_TYPE_MEM;
/* map control/status registers */
error = Cardbus_mapreg_map(ct, CARDBUS_BASE1_REG,
PCI_MAPREG_TYPE_MEM, 0, &sc->sc_mem2_bt,
&sc->sc_mem2_bh, &base, &csc->sc_mapsize2);
if (error != 0) {
printf(": can't map mem2 space\n");
Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->sc_mem1_bt,
sc->sc_mem1_bh, csc->sc_mapsize1);
return;
}
csc->sc_bar2_val = base | PCI_MAPREG_TYPE_MEM;
/* set up the PCI configuration registers */
malo_cardbus_setup(csc);
printf(": irq %d", csc->sc_intrline);
error = malo_attach(sc);
if (error != 0)
malo_cardbus_detach(&sc->sc_dev, 0);
Cardbus_function_disable(ct);
}
int
malo_cardbus_detach(struct device *self, int flags)
{
struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)self;
struct malo_softc *sc = &csc->sc_malo;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
int error;
error = malo_detach(sc);
if (error != 0)
return (error);
/* unhook the interrupt handler */
if (csc->sc_ih != NULL) {
cardbus_intr_disestablish(cc, cf, csc->sc_ih);
csc->sc_ih = NULL;
}
/* release bus space and close window */
Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->sc_mem1_bt,
sc->sc_mem1_bh, csc->sc_mapsize1);
Cardbus_mapreg_unmap(ct, CARDBUS_BASE1_REG, sc->sc_mem2_bt,
sc->sc_mem2_bh, csc->sc_mapsize2);
return (0);
}
void
malo_cardbus_setup(struct malo_cardbus_softc *csc)
{
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
pci_chipset_tag_t pc = csc->sc_pc;
cardbus_function_tag_t cf = ct->ct_cf;
pcireg_t reg;
/* program the BAR */
pci_conf_write(pc, csc->sc_tag, CARDBUS_BASE0_REG,
csc->sc_bar1_val);
pci_conf_write(pc, csc->sc_tag, CARDBUS_BASE1_REG,
csc->sc_bar2_val);
/* make sure the right access type is on the cardbus bridge */
(*cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
(*cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
/* enable the appropriate bits in the PCI CSR */
reg = pci_conf_read(pc, csc->sc_tag,
PCI_COMMAND_STATUS_REG);
reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE;
pci_conf_write(pc, csc->sc_tag, PCI_COMMAND_STATUS_REG,
reg);
}
int
malo_cardbus_enable(struct malo_softc *sc)
{
struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
/* power on the socket */
Cardbus_function_enable(ct);
/* setup the PCI configuration registers */
malo_cardbus_setup(csc);
/* map and establish the interrupt handler */
csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET,
malo_intr, sc, sc->sc_dev.dv_xname);
if (csc->sc_ih == NULL) {
printf("%s: could not establish interrupt at %d\n",
sc->sc_dev.dv_xname, csc->sc_intrline);
Cardbus_function_disable(ct);
return (1);
}
return (0);
}
void
malo_cardbus_disable(struct malo_softc *sc)
{
struct malo_cardbus_softc *csc = (struct malo_cardbus_softc *)sc;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
/* unhook the interrupt handler */
cardbus_intr_disestablish(cc, cf, csc->sc_ih);
csc->sc_ih = NULL;
/* power down the socket */
Cardbus_function_disable(ct);
}
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