summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_iwi.c
diff options
context:
space:
mode:
authorDamien Bergamini <damien@cvs.openbsd.org>2004-12-21 17:29:55 +0000
committerDamien Bergamini <damien@cvs.openbsd.org>2004-12-21 17:29:55 +0000
commitb97728a5730a19a71786f817fc4950b7d6e67374 (patch)
treec7f1c94155ba1b245945fddc38a69e32c0be8e16 /sys/dev/pci/if_iwi.c
parent55565429b0dcafb36b7f61b73b42830a48582ed1 (diff)
add powerhooks
OK claudio@ kevlo@ deraadt@
Diffstat (limited to 'sys/dev/pci/if_iwi.c')
-rw-r--r--sys/dev/pci/if_iwi.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/sys/dev/pci/if_iwi.c b/sys/dev/pci/if_iwi.c
index 7b62b3fdec5..8ffe9381738 100644
--- a/sys/dev/pci/if_iwi.c
+++ b/sys/dev/pci/if_iwi.c
@@ -1,4 +1,4 @@
-/* $Id: if_iwi.c,v 1.21 2004/12/10 21:25:53 damien Exp $ */
+/* $Id: if_iwi.c,v 1.22 2004/12/21 17:29:53 damien Exp $ */
/*-
* Copyright (c) 2004
@@ -94,6 +94,7 @@ static const struct ieee80211_rateset iwi_rateset_11g =
int iwi_match(struct device *, void *, void *);
void iwi_attach(struct device *, struct device *, void *);
int iwi_detach(struct device *, int);
+void iwi_power(int, void *);
int iwi_dma_alloc(struct iwi_softc *);
void iwi_release(struct iwi_softc *);
int iwi_media_change(struct ifnet *);
@@ -176,15 +177,17 @@ iwi_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, IWI_PCI_BAR0, PCI_MAPREG_TYPE_MEM |
@@ -301,6 +304,8 @@ iwi_attach(struct device *parent, struct device *self, void *aux)
ic->ic_newstate = iwi_newstate;
ieee80211_media_init(ifp, iwi_media_change, iwi_media_status);
+ sc->powerhook = powerhook_establish(iwi_power, sc);
+
#if NBPFILTER > 0
bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO,
sizeof (struct ieee80211_frame) + 64);
@@ -341,6 +346,29 @@ iwi_detach(struct device* self, int flags)
return 0;
}
+void
+iwi_power(int why, void *arg)
+{
+ struct iwi_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
iwi_dma_alloc(struct iwi_softc *sc)
{