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
This commit is contained in:
jmcneill 2009-08-04 14:20:40 +00:00
parent 6e1d010d65
commit f5e82b659b
6 changed files with 237 additions and 13 deletions

View File

@ -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;

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@ -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;

View File

@ -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)) {

189
sys/dev/acpi/acpi_wakedev.c Normal file
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@ -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);
}
}

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@ -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 */

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@ -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