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path: root/sys/dev/pci/if_ipw.c
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Diffstat (limited to 'sys/dev/pci/if_ipw.c')
-rw-r--r--sys/dev/pci/if_ipw.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/sys/dev/pci/if_ipw.c b/sys/dev/pci/if_ipw.c
index 6222a590273..1225bb7f304 100644
--- a/sys/dev/pci/if_ipw.c
+++ b/sys/dev/pci/if_ipw.c
@@ -1,4 +1,4 @@
-/* $Id: if_ipw.c,v 1.36 2004/12/10 21:25:52 damien Exp $ */
+/* $Id: if_ipw.c,v 1.37 2004/12/21 17:29:53 damien Exp $ */
/*-
* Copyright (c) 2004
@@ -80,6 +80,7 @@ static const struct ieee80211_rateset ipw_rateset_11b =
int ipw_match(struct device *, void *, void *);
void ipw_attach(struct device *, struct device *, void *);
int ipw_detach(struct device *, int);
+void ipw_power(int, void *);
int ipw_dma_alloc(struct ipw_softc *);
void ipw_release(struct ipw_softc *);
int ipw_media_change(struct ifnet *);
@@ -174,15 +175,17 @@ ipw_attach(struct device *parent, struct device *self, void *aux)
int error, i;
sc->sc_pct = pa->pa_pc;
+ sc->sc_pcitag = pa->pa_tag,
- data = pci_conf_read(sc->sc_pct, pa->pa_tag, 0x40);
+ /* clear device specific PCI configuration register 0x41 */
+ data = pci_conf_read(sc->sc_pct, sc->sc_pcitag, 0x40);
data &= ~0x0000ff00;
- pci_conf_write(sc->sc_pct, pa->pa_tag, 0x40, data);
+ pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, data);
/* enable bus-mastering */
- data = pci_conf_read(sc->sc_pct, pa->pa_tag, PCI_COMMAND_STATUS_REG);
+ data = pci_conf_read(sc->sc_pct, sc->sc_pcitag, PCI_COMMAND_STATUS_REG);
data |= PCI_COMMAND_MASTER_ENABLE;
- pci_conf_write(sc->sc_pct, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
+ pci_conf_write(sc->sc_pct, sc->sc_pcitag, PCI_COMMAND_STATUS_REG, data);
/* map the register window */
error = pci_mapreg_map(pa, IPW_PCI_BAR0, PCI_MAPREG_TYPE_MEM |
@@ -280,6 +283,8 @@ ipw_attach(struct device *parent, struct device *self, void *aux)
ic->ic_newstate = ipw_newstate;
ieee80211_media_init(ifp, ipw_media_change, ipw_media_status);
+ sc->powerhook = powerhook_establish(ipw_power, sc);
+
#if NBPFILTER > 0
bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO,
sizeof (struct ieee80211_frame) + 64);
@@ -320,6 +325,29 @@ ipw_detach(struct device* self, int flags)
return 0;
}
+void
+ipw_power(int why, void *arg)
+{
+ struct ipw_softc *sc = arg;
+ struct ifnet *ifp;
+ pcireg_t data;
+
+ if (why != PWR_RESUME)
+ return;
+
+ /* clear device specific PCI configuration register 0x41 */
+ data = pci_conf_read(sc->sc_pct, sc->sc_pcitag, 0x40);
+ data &= ~0x0000ff00;
+ pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, data);
+
+ ifp = &sc->sc_ic.ic_if;
+ if (ifp->if_flags & IFF_UP) {
+ ifp->if_init(ifp);
+ if (ifp->if_flags & IFF_RUNNING)
+ ifp->if_start(ifp);
+ }
+}
+
int
ipw_dma_alloc(struct ipw_softc *sc)
{