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authorPeter Hessler <phessler@cvs.openbsd.org>2010-07-23 06:43:01 +0000
committerPeter Hessler <phessler@cvs.openbsd.org>2010-07-23 06:43:01 +0000
commit46ef7610d06335add78101ec587c871ceaa58222 (patch)
treec370640f3d49d90b83c052885673bf06034bb115 /sys
parentf424d6d288e5791fa592fdb3e2681c11341be3a0 (diff)
Add suspend/resume logic.
based heavily on the wpi change by kettenis@ OK deraadt@, kettenis@, damien@
Diffstat (limited to 'sys')
-rw-r--r--sys/dev/pci/if_iwn.c38
-rw-r--r--sys/dev/pci/if_iwnvar.h3
2 files changed, 38 insertions, 3 deletions
diff --git a/sys/dev/pci/if_iwn.c b/sys/dev/pci/if_iwn.c
index f575400d320..958b7c5deb6 100644
--- a/sys/dev/pci/if_iwn.c
+++ b/sys/dev/pci/if_iwn.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_iwn.c,v 1.98 2010/07/20 19:24:31 damien Exp $ */
+/* $OpenBSD: if_iwn.c,v 1.99 2010/07/23 06:43:00 phessler Exp $ */
/*-
* Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr>
@@ -33,6 +33,7 @@
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/sensors.h>
+#include <sys/workq.h>
#include <machine/bus.h>
#include <machine/endian.h>
@@ -104,6 +105,8 @@ void iwn_sensor_attach(struct iwn_softc *);
void iwn_radiotap_attach(struct iwn_softc *);
#endif
int iwn_detach(struct device *, int);
+int iwn_activate(struct device *, int);
+void iwn_resume(void *, void *);
void iwn_power(int, void *);
int iwn_nic_lock(struct iwn_softc *);
int iwn_eeprom_lock(struct iwn_softc *);
@@ -331,7 +334,8 @@ struct cfdriver iwn_cd = {
};
struct cfattach iwn_ca = {
- sizeof (struct iwn_softc), iwn_match, iwn_attach, iwn_detach
+ sizeof (struct iwn_softc), iwn_match, iwn_attach, iwn_detach,
+ iwn_activate
};
int
@@ -737,6 +741,32 @@ iwn_detach(struct device *self, int flags)
return 0;
}
+int
+iwn_activate(struct device *self, int act)
+{
+ struct iwn_softc *sc = (struct iwn_softc *)self;
+ struct ifnet *ifp = &sc->sc_ic.ic_if;
+
+ switch (act) {
+ case DVACT_SUSPEND:
+ if (ifp->if_flags & IFF_RUNNING)
+ iwn_stop(ifp, 1);
+ break;
+ case DVACT_RESUME:
+ workq_queue_task(NULL, &sc->sc_resume_wqt, 0,
+ iwn_resume, sc, NULL);
+ break;
+ }
+
+ return (0);
+}
+
+void
+iwn_resume(void *arg1, void *arg2)
+{
+ iwn_power(PWR_RESUME, arg1);
+}
+
void
iwn_power(int why, void *arg)
{
@@ -754,12 +784,16 @@ iwn_power(int why, void *arg)
pci_conf_write(sc->sc_pct, sc->sc_pcitag, 0x40, reg);
s = splnet();
+ sc->sc_flags |= IWN_FLAG_BUSY;
+
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);
}
+
+ sc->sc_flags &= ~IWN_FLAG_BUSY;
splx(s);
}
diff --git a/sys/dev/pci/if_iwnvar.h b/sys/dev/pci/if_iwnvar.h
index 03e7215b5e8..4f882e856b7 100644
--- a/sys/dev/pci/if_iwnvar.h
+++ b/sys/dev/pci/if_iwnvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_iwnvar.h,v 1.19 2010/05/05 19:47:43 damien Exp $ */
+/* $OpenBSD: if_iwnvar.h,v 1.20 2010/07/23 06:43:00 phessler Exp $ */
/*-
* Copyright (c) 2007, 2008
@@ -285,6 +285,7 @@ struct iwn_softc {
int sc_tx_timer;
void *powerhook;
+ struct workq_task sc_resume_wqt;
#if NBPFILTER > 0
caddr_t sc_drvbpf;