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authorjmcneill <jmcneill@NetBSD.org>2009-08-04 14:20:40 +0000
committerjmcneill <jmcneill@NetBSD.org>2009-08-04 14:20:40 +0000
commitf5e82b659b8539a6a669eccf93690a4c53c813fb (patch)
tree3a8cd9e3f9de79f1e11b3269bc7b4807671f7c18 /sys/dev
parent6e1d010d65ce422c67f45194f005558d8969f328 (diff)
add hw.wake.* sysctl subtree for toggling which devices are allowed to
restore the system from sleep. set/clear wake GPEs as specified before entering sleep. by default, the following devices are enabled for wake: - sleep/power buttons - lid switch - pc kbd controller reviewed by: joerg
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/acpi/acpi.c9
-rw-r--r--sys/dev/acpi/acpi_button.c6
-rw-r--r--sys/dev/acpi/acpi_lid.c8
-rw-r--r--sys/dev/acpi/acpi_wakedev.c189
-rw-r--r--sys/dev/acpi/acpi_wakedev.h35
-rw-r--r--sys/dev/acpi/files.acpi3
6 files changed, 237 insertions, 13 deletions
diff --git a/sys/dev/acpi/acpi.c b/sys/dev/acpi/acpi.c
index 2e3c770762e..1f48a28a3c2 100644
--- a/sys/dev/acpi/acpi.c
+++ b/sys/dev/acpi/acpi.c
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi.c,v 1.126 2009/05/12 09:29:46 cegger Exp $ */
+/* $NetBSD: acpi.c,v 1.127 2009/08/04 14:20:40 jmcneill Exp $ */
/*-
* Copyright (c) 2003, 2007 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.126 2009/05/12 09:29:46 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.127 2009/08/04 14:20:40 jmcneill Exp $");
#include "opt_acpi.h"
#include "opt_pcifixup.h"
@@ -89,6 +89,7 @@ __KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.126 2009/05/12 09:29:46 cegger Exp $");
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpi_osd.h>
#include <dev/acpi/acpi_timer.h>
+#include <dev/acpi/acpi_wakedev.h>
#ifdef ACPIVERBOSE
#include <dev/acpi/acpidevs_data.h>
#endif
@@ -695,6 +696,8 @@ acpi_build_tree(struct acpi_softc *sc)
}
acpi_rescan1(sc, NULL, NULL);
+
+ acpi_wakedev_scan(sc);
}
static int
@@ -1405,6 +1408,8 @@ acpi_enter_sleep_state(struct acpi_softc *sc, int state)
break;
}
+ acpi_wakedev_commit(sc);
+
if (state != ACPI_STATE_S1 && !pmf_system_suspend(PMF_F_NONE)) {
aprint_error_dev(sc->sc_dev, "aborting suspend\n");
break;
diff --git a/sys/dev/acpi/acpi_button.c b/sys/dev/acpi/acpi_button.c
index 41e7ca7da24..a4dcaa615d9 100644
--- a/sys/dev/acpi/acpi_button.c
+++ b/sys/dev/acpi/acpi_button.c
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_button.c,v 1.26 2009/05/12 09:29:46 cegger Exp $ */
+/* $NetBSD: acpi_button.c,v 1.27 2009/08/04 14:20:40 jmcneill Exp $ */
/*
* Copyright 2001, 2003 Wasabi Systems, Inc.
@@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_button.c,v 1.26 2009/05/12 09:29:46 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_button.c,v 1.27 2009/08/04 14:20:40 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -145,8 +145,6 @@ acpibut_attach(device_t parent, device_t self, void *aux)
return;
}
- acpi_set_wake_gpe(sc->sc_node->ad_handle);
-
#ifdef ACPI_BUT_DEBUG
/* Display the current state when it changes. */
sc->sc_flags = ACPIBUT_F_VERBOSE;
diff --git a/sys/dev/acpi/acpi_lid.c b/sys/dev/acpi/acpi_lid.c
index bc5f9c1c025..bfb0a7e9e42 100644
--- a/sys/dev/acpi/acpi_lid.c
+++ b/sys/dev/acpi/acpi_lid.c
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_lid.c,v 1.26 2008/07/15 16:19:37 dyoung Exp $ */
+/* $NetBSD: acpi_lid.c,v 1.27 2009/08/04 14:20:40 jmcneill Exp $ */
/*
* Copyright 2001, 2003 Wasabi Systems, Inc.
@@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_lid.c,v 1.26 2008/07/15 16:19:37 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_lid.c,v 1.27 2009/08/04 14:20:40 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -124,8 +124,6 @@ acpilid_attach(device_t parent, device_t self, void *aux)
return;
}
- acpi_set_wake_gpe(sc->sc_node->ad_handle);
-
if (!pmf_device_register(self, acpilid_suspend, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
}
@@ -136,8 +134,6 @@ acpilid_detach(device_t self, int flags)
struct acpilid_softc *sc = device_private(self);
ACPI_STATUS rv;
- acpi_clear_wake_gpe(sc->sc_node->ad_handle);
-
rv = AcpiRemoveNotifyHandler(sc->sc_node->ad_handle,
ACPI_DEVICE_NOTIFY, acpilid_notify_handler);
if (ACPI_FAILURE(rv)) {
diff --git a/sys/dev/acpi/acpi_wakedev.c b/sys/dev/acpi/acpi_wakedev.c
new file mode 100644
index 00000000000..1aa661dab2f
--- /dev/null
+++ b/sys/dev/acpi/acpi_wakedev.c
@@ -0,0 +1,189 @@
+/* $NetBSD: acpi_wakedev.c,v 1.1 2009/08/04 14:20:40 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: acpi_wakedev.c,v 1.1 2009/08/04 14:20:40 jmcneill Exp $");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/kmem.h>
+#include <sys/device.h>
+#include <sys/queue.h>
+#include <sys/sysctl.h>
+
+#include <dev/acpi/acpivar.h>
+#include <dev/acpi/acpireg.h>
+#include <dev/acpi/acpi_wakedev.h>
+
+struct acpi_wakedev;
+
+static TAILQ_HEAD(, acpi_wakedev) acpi_wakedevlist =
+ TAILQ_HEAD_INITIALIZER(acpi_wakedevlist);;
+static int acpi_wakedev_node = -1;
+
+struct acpi_wakedev {
+ struct acpi_devnode *aw_node;
+ int aw_enabled;
+ struct sysctllog *aw_sysctllog;
+ TAILQ_ENTRY(acpi_wakedev) aw_list;
+};
+
+static const char * const acpi_wakedev_default[] = {
+ "PNP0C0C", /* power button */
+ "PNP0C0E", /* sleep button */
+ "PNP0C0D", /* lid switch */
+ "PNP03??", /* PC KBD port */
+ NULL,
+};
+
+SYSCTL_SETUP(sysctl_acpi_wakedev_setup, "sysctl hw.wake subtree setup")
+{
+ const struct sysctlnode *rnode;
+ int err;
+
+ err = sysctl_createv(NULL, 0, NULL, NULL,
+ CTLFLAG_PERMANENT,
+ CTLTYPE_NODE, "hw", NULL,
+ NULL, 0, NULL, 0, CTL_HW, CTL_EOL);
+ if (err)
+ return;
+ err = sysctl_createv(NULL, 0, NULL, &rnode,
+ CTLFLAG_PERMANENT,
+ CTLTYPE_NODE, "wake", NULL,
+ NULL, 0, NULL, 0,
+ CTL_HW, CTL_CREATE, CTL_EOL);
+ if (err)
+ return;
+ acpi_wakedev_node = rnode->sysctl_num;
+}
+
+static void
+acpi_wakedev_sysctl_add(struct acpi_wakedev *aw)
+{
+ int err;
+
+ if (acpi_wakedev_node == -1)
+ return;
+
+ err = sysctl_createv(&aw->aw_sysctllog, 0, NULL, NULL,
+ CTLFLAG_READWRITE, CTLTYPE_INT, aw->aw_node->ad_name,
+ NULL, NULL, 0, &aw->aw_enabled, 0,
+ CTL_HW, acpi_wakedev_node, CTL_CREATE, CTL_EOL);
+ if (err)
+ printf("acpi_wakedev_sysctl_add: "
+ "sysctl_createv(hw.wake.%s) failed. (%d)\n",
+ aw->aw_node->ad_name, err);
+}
+
+static bool
+acpi_wakedev_add(struct acpi_softc *sc, struct acpi_devnode *ad)
+{
+ struct acpi_wakedev *aw;
+ ACPI_HANDLE hdl;
+
+ if (ACPI_FAILURE(AcpiGetHandle(ad->ad_handle, "_PRW", &hdl)))
+ return false;
+
+ aw = kmem_alloc(sizeof(*aw), KM_SLEEP);
+ if (aw == NULL) {
+ aprint_error("acpi_wakedev_add: kmem_alloc failed\n");
+ return false;
+ }
+ aw->aw_node = ad;
+ aw->aw_sysctllog = NULL;
+ if (acpi_match_hid(ad->ad_devinfo, acpi_wakedev_default))
+ aw->aw_enabled = 1;
+ else
+ aw->aw_enabled = 0;
+
+ TAILQ_INSERT_TAIL(&acpi_wakedevlist, aw, aw_list);
+
+ acpi_wakedev_sysctl_add(aw);
+
+ return true;
+}
+
+static void
+acpi_wakedev_print(struct acpi_wakedev *aw)
+{
+ aprint_debug(" %s", aw->aw_node->ad_name);
+}
+
+int
+acpi_wakedev_scan(struct acpi_softc *sc)
+{
+ struct acpi_scope *as;
+ struct acpi_devnode *ad;
+ struct acpi_wakedev *aw;
+ ACPI_DEVICE_INFO *di;
+ int count = 0;
+
+#define ACPI_STA_DEV_VALID \
+ (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED|ACPI_STA_DEV_OK)
+
+ TAILQ_FOREACH(as, &sc->sc_scopes, as_list)
+ TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) {
+ di = ad->ad_devinfo;
+ if (di->Type != ACPI_TYPE_DEVICE)
+ continue;
+ if ((di->Valid & ACPI_VALID_STA) != 0 &&
+ (di->CurrentStatus & ACPI_STA_DEV_VALID) !=
+ ACPI_STA_DEV_VALID)
+ continue;
+ if (acpi_wakedev_add(sc, ad) == true)
+ ++count;
+ }
+
+#undef ACPI_STA_DEV_VALID
+
+ if (count == 0)
+ return 0;
+
+ aprint_debug_dev(sc->sc_dev, "wakeup devices:");
+ TAILQ_FOREACH(aw, &acpi_wakedevlist, aw_list)
+ acpi_wakedev_print(aw);
+ aprint_debug("\n");
+
+ return count;
+}
+
+void
+acpi_wakedev_commit(struct acpi_softc *sc)
+{
+ struct acpi_wakedev *aw;
+
+ TAILQ_FOREACH(aw, &acpi_wakedevlist, aw_list) {
+ if (aw->aw_enabled) {
+ aprint_debug_dev(sc->sc_dev, "set wake GPE (%s)\n",
+ aw->aw_node->ad_name);
+ acpi_set_wake_gpe(aw->aw_node->ad_handle);
+ } else
+ acpi_clear_wake_gpe(aw->aw_node->ad_handle);
+ }
+}
diff --git a/sys/dev/acpi/acpi_wakedev.h b/sys/dev/acpi/acpi_wakedev.h
new file mode 100644
index 00000000000..ac0623c4d35
--- /dev/null
+++ b/sys/dev/acpi/acpi_wakedev.h
@@ -0,0 +1,35 @@
+/* $NetBSD: acpi_wakedev.h,v 1.1 2009/08/04 14:20:40 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SYS_DEV_ACPI_ACPI_WAKEDEV_H
+#define _SYS_DEV_ACPI_ACPI_WAKEDEV_H
+
+int acpi_wakedev_scan(struct acpi_softc *);
+void acpi_wakedev_commit(struct acpi_softc *);
+
+#endif /* !_SYS_DEV_ACPI_ACPI_WAKEDEV_H */
diff --git a/sys/dev/acpi/files.acpi b/sys/dev/acpi/files.acpi
index e0afc8c4c70..bfb6560edb9 100644
--- a/sys/dev/acpi/files.acpi
+++ b/sys/dev/acpi/files.acpi
@@ -1,4 +1,4 @@
-# $NetBSD: files.acpi,v 1.54 2009/08/03 10:30:29 jmcneill Exp $
+# $NetBSD: files.acpi,v 1.55 2009/08/04 14:20:41 jmcneill Exp $
include "dev/acpi/acpica/files.acpica"
@@ -19,6 +19,7 @@ file dev/acpi/acpi_madt.c acpi
file dev/acpi/acpi_pci_link.c acpi
file dev/acpi/acpi_quirks.c acpi
file dev/acpi/acpi_timer.c acpi
+file dev/acpi/acpi_wakedev.c acpi
# ACPI/apm emulation.
attach apm at acpiapmbus with acpiapm: sysmon_envsys