svn commit: r215072 - in head/sys: amd64/acpica conf dev/acpica
i386/acpica modules/acpi/acpi x86/acpica
Jung-uk Kim
jkim at FreeBSD.org
Wed Nov 10 01:29:56 UTC 2010
Author: jkim
Date: Wed Nov 10 01:29:56 2010
New Revision: 215072
URL: http://svn.freebsd.org/changeset/base/215072
Log:
Refactor acpi_machdep.c for amd64 and i386, move APM emulation into a new
file acpi_apm.c, and place it on sys/x86/acpica.
Added:
head/sys/x86/acpica/acpi_apm.c
- copied, changed from r215066, head/sys/i386/acpica/acpi_machdep.c
Modified:
head/sys/amd64/acpica/acpi_machdep.c
head/sys/conf/files.amd64
head/sys/conf/files.i386
head/sys/dev/acpica/acpivar.h
head/sys/i386/acpica/acpi_machdep.c
head/sys/modules/acpi/acpi/Makefile
Modified: head/sys/amd64/acpica/acpi_machdep.c
==============================================================================
--- head/sys/amd64/acpica/acpi_machdep.c Wed Nov 10 01:27:48 2010 (r215071)
+++ head/sys/amd64/acpica/acpi_machdep.c Wed Nov 10 01:29:56 2010 (r215072)
@@ -44,24 +44,6 @@ __FBSDID("$FreeBSD$");
#include <machine/nexusvar.h>
-/*
- * APM driver emulation
- */
-
-#include <sys/condvar.h>
-#include <sys/conf.h>
-#include <sys/fcntl.h>
-#include <sys/malloc.h>
-#include <sys/poll.h>
-#include <sys/uio.h>
-
-#include <dev/acpica/acpiio.h>
-
-#include <machine/apm_bios.h>
-#include <i386/include/pc/bios.h>
-
-#include <i386/bios/apm.h>
-
SYSCTL_DECL(_debug_acpi);
int acpi_resume_beep;
@@ -73,445 +55,16 @@ int acpi_reset_video;
TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
static int intr_model = ACPI_INTR_PIC;
-static int apm_active;
-static struct clonedevs *apm_clones;
-
-MALLOC_DEFINE(M_APMDEV, "apmdev", "APM device emulation");
-
-static d_open_t apmopen;
-static d_close_t apmclose;
-static d_write_t apmwrite;
-static d_ioctl_t apmioctl;
-static d_poll_t apmpoll;
-static d_kqfilter_t apmkqfilter;
-static void apmreadfiltdetach(struct knote *kn);
-static int apmreadfilt(struct knote *kn, long hint);
-static struct filterops apm_readfiltops = {
- .f_isfd = 1,
- .f_detach = apmreadfiltdetach,
- .f_event = apmreadfilt,
-};
-
-static struct cdevsw apm_cdevsw = {
- .d_version = D_VERSION,
- .d_flags = D_TRACKCLOSE | D_NEEDMINOR,
- .d_open = apmopen,
- .d_close = apmclose,
- .d_write = apmwrite,
- .d_ioctl = apmioctl,
- .d_poll = apmpoll,
- .d_name = "apm",
- .d_kqfilter = apmkqfilter
-};
-
-static int
-acpi_capm_convert_battstate(struct acpi_battinfo *battp)
-{
- int state;
-
- state = APM_UNKNOWN;
-
- if (battp->state & ACPI_BATT_STAT_DISCHARG) {
- if (battp->cap >= 50)
- state = 0; /* high */
- else
- state = 1; /* low */
- }
- if (battp->state & ACPI_BATT_STAT_CRITICAL)
- state = 2; /* critical */
- if (battp->state & ACPI_BATT_STAT_CHARGING)
- state = 3; /* charging */
-
- /* If still unknown, determine it based on the battery capacity. */
- if (state == APM_UNKNOWN) {
- if (battp->cap >= 50)
- state = 0; /* high */
- else
- state = 1; /* low */
- }
-
- return (state);
-}
-
-static int
-acpi_capm_convert_battflags(struct acpi_battinfo *battp)
-{
- int flags;
-
- flags = 0;
-
- if (battp->cap >= 50)
- flags |= APM_BATT_HIGH;
- else {
- if (battp->state & ACPI_BATT_STAT_CRITICAL)
- flags |= APM_BATT_CRITICAL;
- else
- flags |= APM_BATT_LOW;
- }
- if (battp->state & ACPI_BATT_STAT_CHARGING)
- flags |= APM_BATT_CHARGING;
- if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
- flags = APM_BATT_NOT_PRESENT;
-
- return (flags);
-}
-
-static int
-acpi_capm_get_info(apm_info_t aip)
-{
- int acline;
- struct acpi_battinfo batt;
-
- aip->ai_infoversion = 1;
- aip->ai_major = 1;
- aip->ai_minor = 2;
- aip->ai_status = apm_active;
- aip->ai_capabilities= 0xff00; /* unknown */
-
- if (acpi_acad_get_acline(&acline))
- aip->ai_acline = APM_UNKNOWN; /* unknown */
- else
- aip->ai_acline = acline; /* on/off */
-
- if (acpi_battery_get_battinfo(NULL, &batt) != 0) {
- aip->ai_batt_stat = APM_UNKNOWN;
- aip->ai_batt_life = APM_UNKNOWN;
- aip->ai_batt_time = -1; /* unknown */
- aip->ai_batteries = ~0U; /* unknown */
- } else {
- aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
- aip->ai_batt_life = batt.cap;
- aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
- aip->ai_batteries = acpi_battery_get_units();
- }
-
- return (0);
-}
-
-static int
-acpi_capm_get_pwstatus(apm_pwstatus_t app)
-{
- device_t dev;
- int acline, unit, error;
- struct acpi_battinfo batt;
-
- if (app->ap_device != PMDV_ALLDEV &&
- (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
- return (1);
-
- if (app->ap_device == PMDV_ALLDEV)
- error = acpi_battery_get_battinfo(NULL, &batt);
- else {
- unit = app->ap_device - PMDV_BATT0;
- dev = devclass_get_device(devclass_find("battery"), unit);
- if (dev != NULL)
- error = acpi_battery_get_battinfo(dev, &batt);
- else
- error = ENXIO;
- }
- if (error)
- return (1);
-
- app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
- app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
- app->ap_batt_life = batt.cap;
- app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
-
- if (acpi_acad_get_acline(&acline))
- app->ap_acline = APM_UNKNOWN;
- else
- app->ap_acline = acline; /* on/off */
-
- return (0);
-}
-
-/* Create single-use devices for /dev/apm and /dev/apmctl. */
-static void
-apm_clone(void *arg, struct ucred *cred, char *name, int namelen,
- struct cdev **dev)
-{
- int ctl_dev, unit;
-
- if (*dev != NULL)
- return;
- if (strcmp(name, "apmctl") == 0)
- ctl_dev = TRUE;
- else if (strcmp(name, "apm") == 0)
- ctl_dev = FALSE;
- else
- return;
-
- /* Always create a new device and unit number. */
- unit = -1;
- if (clone_create(&apm_clones, &apm_cdevsw, &unit, dev, 0)) {
- if (ctl_dev) {
- *dev = make_dev(&apm_cdevsw, unit,
- UID_ROOT, GID_OPERATOR, 0660, "apmctl%d", unit);
- } else {
- *dev = make_dev(&apm_cdevsw, unit,
- UID_ROOT, GID_OPERATOR, 0664, "apm%d", unit);
- }
- if (*dev != NULL) {
- dev_ref(*dev);
- (*dev)->si_flags |= SI_CHEAPCLONE;
- }
- }
-}
-
-/* Create a struct for tracking per-device suspend notification. */
-static struct apm_clone_data *
-apm_create_clone(struct cdev *dev, struct acpi_softc *acpi_sc)
-{
- struct apm_clone_data *clone;
-
- clone = malloc(sizeof(*clone), M_APMDEV, M_WAITOK);
- clone->cdev = dev;
- clone->acpi_sc = acpi_sc;
- clone->notify_status = APM_EV_NONE;
- bzero(&clone->sel_read, sizeof(clone->sel_read));
- knlist_init_mtx(&clone->sel_read.si_note, &acpi_mutex);
-
- /*
- * The acpi device is always managed by devd(8) and is considered
- * writable (i.e., ack is required to allow suspend to proceed.)
- */
- if (strcmp("acpi", devtoname(dev)) == 0)
- clone->flags = ACPI_EVF_DEVD | ACPI_EVF_WRITE;
- else
- clone->flags = ACPI_EVF_NONE;
-
- ACPI_LOCK(acpi);
- STAILQ_INSERT_TAIL(&acpi_sc->apm_cdevs, clone, entries);
- ACPI_UNLOCK(acpi);
- return (clone);
-}
-
-static int
-apmopen(struct cdev *dev, int flag, int fmt, struct thread *td)
-{
- struct acpi_softc *acpi_sc;
- struct apm_clone_data *clone;
-
- acpi_sc = devclass_get_softc(devclass_find("acpi"), 0);
- clone = apm_create_clone(dev, acpi_sc);
- dev->si_drv1 = clone;
-
- /* If the device is opened for write, record that. */
- if ((flag & FWRITE) != 0)
- clone->flags |= ACPI_EVF_WRITE;
-
- return (0);
-}
-
-static int
-apmclose(struct cdev *dev, int flag, int fmt, struct thread *td)
-{
- struct apm_clone_data *clone;
- struct acpi_softc *acpi_sc;
-
- clone = dev->si_drv1;
- acpi_sc = clone->acpi_sc;
-
- /* We are about to lose a reference so check if suspend should occur */
- if (acpi_sc->acpi_next_sstate != 0 &&
- clone->notify_status != APM_EV_ACKED)
- acpi_AckSleepState(clone, 0);
-
- /* Remove this clone's data from the list and free it. */
- ACPI_LOCK(acpi);
- STAILQ_REMOVE(&acpi_sc->apm_cdevs, clone, apm_clone_data, entries);
- knlist_destroy(&clone->sel_read.si_note);
- ACPI_UNLOCK(acpi);
- free(clone, M_APMDEV);
- destroy_dev_sched(dev);
- return (0);
-}
-
-static int
-apmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
-{
- int error;
- struct apm_clone_data *clone;
- struct acpi_softc *acpi_sc;
- struct apm_info info;
- struct apm_event_info *ev_info;
- apm_info_old_t aiop;
-
- error = 0;
- clone = dev->si_drv1;
- acpi_sc = clone->acpi_sc;
-
- switch (cmd) {
- case APMIO_SUSPEND:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- if (acpi_sc->acpi_next_sstate == 0) {
- if (acpi_sc->acpi_suspend_sx != ACPI_STATE_S5) {
- error = acpi_ReqSleepState(acpi_sc,
- acpi_sc->acpi_suspend_sx);
- } else {
- printf(
- "power off via apm suspend not supported\n");
- error = ENXIO;
- }
- } else
- error = acpi_AckSleepState(clone, 0);
- break;
- case APMIO_STANDBY:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- if (acpi_sc->acpi_next_sstate == 0) {
- if (acpi_sc->acpi_standby_sx != ACPI_STATE_S5) {
- error = acpi_ReqSleepState(acpi_sc,
- acpi_sc->acpi_standby_sx);
- } else {
- printf(
- "power off via apm standby not supported\n");
- error = ENXIO;
- }
- } else
- error = acpi_AckSleepState(clone, 0);
- break;
- case APMIO_NEXTEVENT:
- printf("apm nextevent start\n");
- ACPI_LOCK(acpi);
- if (acpi_sc->acpi_next_sstate != 0 && clone->notify_status ==
- APM_EV_NONE) {
- ev_info = (struct apm_event_info *)addr;
- if (acpi_sc->acpi_next_sstate <= ACPI_STATE_S3)
- ev_info->type = PMEV_STANDBYREQ;
- else
- ev_info->type = PMEV_SUSPENDREQ;
- ev_info->index = 0;
- clone->notify_status = APM_EV_NOTIFIED;
- printf("apm event returning %d\n", ev_info->type);
- } else
- error = EAGAIN;
- ACPI_UNLOCK(acpi);
- break;
- case APMIO_GETINFO_OLD:
- if (acpi_capm_get_info(&info))
- error = ENXIO;
- aiop = (apm_info_old_t)addr;
- aiop->ai_major = info.ai_major;
- aiop->ai_minor = info.ai_minor;
- aiop->ai_acline = info.ai_acline;
- aiop->ai_batt_stat = info.ai_batt_stat;
- aiop->ai_batt_life = info.ai_batt_life;
- aiop->ai_status = info.ai_status;
- break;
- case APMIO_GETINFO:
- if (acpi_capm_get_info((apm_info_t)addr))
- error = ENXIO;
- break;
- case APMIO_GETPWSTATUS:
- if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
- error = ENXIO;
- break;
- case APMIO_ENABLE:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- apm_active = 1;
- break;
- case APMIO_DISABLE:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- apm_active = 0;
- break;
- case APMIO_HALTCPU:
- break;
- case APMIO_NOTHALTCPU:
- break;
- case APMIO_DISPLAY:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- break;
- case APMIO_BIOS:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- bzero(addr, sizeof(struct apm_bios_arg));
- break;
- default:
- error = EINVAL;
- break;
- }
-
- return (error);
-}
-
-static int
-apmwrite(struct cdev *dev, struct uio *uio, int ioflag)
-{
- return (uio->uio_resid);
-}
-
-static int
-apmpoll(struct cdev *dev, int events, struct thread *td)
-{
- struct apm_clone_data *clone;
- int revents;
-
- revents = 0;
- ACPI_LOCK(acpi);
- clone = dev->si_drv1;
- if (clone->acpi_sc->acpi_next_sstate)
- revents |= events & (POLLIN | POLLRDNORM);
- else
- selrecord(td, &clone->sel_read);
- ACPI_UNLOCK(acpi);
- return (revents);
-}
-
-static int
-apmkqfilter(struct cdev *dev, struct knote *kn)
-{
- struct apm_clone_data *clone;
-
- ACPI_LOCK(acpi);
- clone = dev->si_drv1;
- kn->kn_hook = clone;
- kn->kn_fop = &apm_readfiltops;
- knlist_add(&clone->sel_read.si_note, kn, 0);
- ACPI_UNLOCK(acpi);
- return (0);
-}
-
-static void
-apmreadfiltdetach(struct knote *kn)
-{
- struct apm_clone_data *clone;
-
- ACPI_LOCK(acpi);
- clone = kn->kn_hook;
- knlist_remove(&clone->sel_read.si_note, kn, 0);
- ACPI_UNLOCK(acpi);
-}
-
-static int
-apmreadfilt(struct knote *kn, long hint)
-{
- struct apm_clone_data *clone;
- int sleeping;
-
- ACPI_LOCK(acpi);
- clone = kn->kn_hook;
- sleeping = clone->acpi_sc->acpi_next_sstate ? 1 : 0;
- ACPI_UNLOCK(acpi);
- return (sleeping);
-}
int
acpi_machdep_init(device_t dev)
{
- struct acpi_softc *sc;
+ struct acpi_softc *sc;
sc = devclass_get_softc(devclass_find("acpi"), 0);
/* Create a clone for /dev/acpi also. */
- STAILQ_INIT(&sc->apm_cdevs);
- sc->acpi_clone = apm_create_clone(sc->acpi_dev_t, sc);
- clone_setup(&apm_clones);
- EVENTHANDLER_REGISTER(dev_clone, apm_clone, 0, 1000);
+ sc->acpi_clone = acpi_apm_create_clone(sc->acpi_dev_t, sc);
if (intr_model != ACPI_INTR_PIC)
acpi_SetIntrModel(intr_model);
@@ -534,12 +87,14 @@ acpi_SetDefaultIntrModel(int model)
int
acpi_machdep_quirks(int *quirks)
{
+
return (0);
}
void
acpi_cpu_c1()
{
+
__asm __volatile("sti; hlt");
}
Modified: head/sys/conf/files.amd64
==============================================================================
--- head/sys/conf/files.amd64 Wed Nov 10 01:27:48 2010 (r215071)
+++ head/sys/conf/files.amd64 Wed Nov 10 01:29:56 2010 (r215072)
@@ -300,6 +300,7 @@ contrib/x86emu/x86emu.c optional x86bio
# x86 shared code between IA32, AMD64 and PC98 architectures
#
x86/acpica/OsdEnvironment.c optional acpi
+x86/acpica/acpi_apm.c optional acpi
x86/acpica/madt.c optional acpi
x86/acpica/srat.c optional acpi
x86/bios/smbios.c optional smbios
Modified: head/sys/conf/files.i386
==============================================================================
--- head/sys/conf/files.i386 Wed Nov 10 01:27:48 2010 (r215071)
+++ head/sys/conf/files.i386 Wed Nov 10 01:29:56 2010 (r215072)
@@ -373,6 +373,7 @@ compat/x86bios/x86bios.c optional x86bio
# x86 shared code between IA32, AMD64 and PC98 architectures
#
x86/acpica/OsdEnvironment.c optional acpi
+x86/acpica/acpi_apm.c optional acpi
x86/acpica/madt.c optional acpi apic
x86/acpica/srat.c optional acpi
x86/bios/smbios.c optional smbios
Modified: head/sys/dev/acpica/acpivar.h
==============================================================================
--- head/sys/dev/acpica/acpivar.h Wed Nov 10 01:27:48 2010 (r215071)
+++ head/sys/dev/acpica/acpivar.h Wed Nov 10 01:29:56 2010 (r215072)
@@ -396,6 +396,9 @@ ACPI_STATUS acpi_pwr_switch_consumer(ACP
int acpi_device_pwr_for_sleep(device_t bus, device_t dev,
int *dstate);
+/* APM emulation */
+struct apm_clone_data *acpi_apm_create_clone(struct cdev *, struct acpi_softc *);
+
/* Misc. */
static __inline struct acpi_softc *
acpi_device_get_parent_softc(device_t child)
Modified: head/sys/i386/acpica/acpi_machdep.c
==============================================================================
--- head/sys/i386/acpica/acpi_machdep.c Wed Nov 10 01:27:48 2010 (r215071)
+++ head/sys/i386/acpica/acpi_machdep.c Wed Nov 10 01:29:56 2010 (r215072)
@@ -29,15 +29,10 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
-#include <sys/condvar.h>
-#include <sys/conf.h>
-#include <sys/fcntl.h>
#include <sys/kernel.h>
-#include <sys/malloc.h>
#include <sys/module.h>
-#include <sys/poll.h>
#include <sys/sysctl.h>
-#include <sys/uio.h>
+
#include <vm/vm.h>
#include <vm/pmap.h>
@@ -46,469 +41,31 @@ __FBSDID("$FreeBSD$");
#include <contrib/dev/acpica/include/actables.h>
#include <dev/acpica/acpivar.h>
-#include <dev/acpica/acpiio.h>
#include <machine/nexusvar.h>
-/*
- * APM driver emulation
- */
-
-#include <machine/apm_bios.h>
-#include <machine/pc/bios.h>
-
-#include <i386/bios/apm.h>
-
SYSCTL_DECL(_debug_acpi);
uint32_t acpi_resume_beep;
TUNABLE_INT("debug.acpi.resume_beep", &acpi_resume_beep);
SYSCTL_UINT(_debug_acpi, OID_AUTO, resume_beep, CTLFLAG_RW, &acpi_resume_beep,
0, "Beep the PC speaker when resuming");
+
uint32_t acpi_reset_video;
TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
static int intr_model = ACPI_INTR_PIC;
-static int apm_active;
-static struct clonedevs *apm_clones;
-
-MALLOC_DEFINE(M_APMDEV, "apmdev", "APM device emulation");
-
-static d_open_t apmopen;
-static d_close_t apmclose;
-static d_write_t apmwrite;
-static d_ioctl_t apmioctl;
-static d_poll_t apmpoll;
-static d_kqfilter_t apmkqfilter;
-static void apmreadfiltdetach(struct knote *kn);
-static int apmreadfilt(struct knote *kn, long hint);
-static struct filterops apm_readfiltops = {
- .f_isfd = 1,
- .f_detach = apmreadfiltdetach,
- .f_event = apmreadfilt,
-};
-
-static struct cdevsw apm_cdevsw = {
- .d_version = D_VERSION,
- .d_flags = D_TRACKCLOSE | D_NEEDMINOR,
- .d_open = apmopen,
- .d_close = apmclose,
- .d_write = apmwrite,
- .d_ioctl = apmioctl,
- .d_poll = apmpoll,
- .d_name = "apm",
- .d_kqfilter = apmkqfilter
-};
-
-static int
-acpi_capm_convert_battstate(struct acpi_battinfo *battp)
-{
- int state;
-
- state = APM_UNKNOWN;
-
- if (battp->state & ACPI_BATT_STAT_DISCHARG) {
- if (battp->cap >= 50)
- state = 0; /* high */
- else
- state = 1; /* low */
- }
- if (battp->state & ACPI_BATT_STAT_CRITICAL)
- state = 2; /* critical */
- if (battp->state & ACPI_BATT_STAT_CHARGING)
- state = 3; /* charging */
-
- /* If still unknown, determine it based on the battery capacity. */
- if (state == APM_UNKNOWN) {
- if (battp->cap >= 50)
- state = 0; /* high */
- else
- state = 1; /* low */
- }
-
- return (state);
-}
-
-static int
-acpi_capm_convert_battflags(struct acpi_battinfo *battp)
-{
- int flags;
-
- flags = 0;
-
- if (battp->cap >= 50)
- flags |= APM_BATT_HIGH;
- else {
- if (battp->state & ACPI_BATT_STAT_CRITICAL)
- flags |= APM_BATT_CRITICAL;
- else
- flags |= APM_BATT_LOW;
- }
- if (battp->state & ACPI_BATT_STAT_CHARGING)
- flags |= APM_BATT_CHARGING;
- if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
- flags = APM_BATT_NOT_PRESENT;
-
- return (flags);
-}
-
-static int
-acpi_capm_get_info(apm_info_t aip)
-{
- int acline;
- struct acpi_battinfo batt;
-
- aip->ai_infoversion = 1;
- aip->ai_major = 1;
- aip->ai_minor = 2;
- aip->ai_status = apm_active;
- aip->ai_capabilities= 0xff00; /* unknown */
-
- if (acpi_acad_get_acline(&acline))
- aip->ai_acline = APM_UNKNOWN; /* unknown */
- else
- aip->ai_acline = acline; /* on/off */
-
- if (acpi_battery_get_battinfo(NULL, &batt) != 0) {
- aip->ai_batt_stat = APM_UNKNOWN;
- aip->ai_batt_life = APM_UNKNOWN;
- aip->ai_batt_time = -1; /* unknown */
- aip->ai_batteries = ~0U; /* unknown */
- } else {
- aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
- aip->ai_batt_life = batt.cap;
- aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
- aip->ai_batteries = acpi_battery_get_units();
- }
-
- return (0);
-}
-
-static int
-acpi_capm_get_pwstatus(apm_pwstatus_t app)
-{
- device_t dev;
- int acline, unit, error;
- struct acpi_battinfo batt;
-
- if (app->ap_device != PMDV_ALLDEV &&
- (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
- return (1);
-
- if (app->ap_device == PMDV_ALLDEV)
- error = acpi_battery_get_battinfo(NULL, &batt);
- else {
- unit = app->ap_device - PMDV_BATT0;
- dev = devclass_get_device(devclass_find("battery"), unit);
- if (dev != NULL)
- error = acpi_battery_get_battinfo(dev, &batt);
- else
- error = ENXIO;
- }
- if (error)
- return (1);
-
- app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
- app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
- app->ap_batt_life = batt.cap;
- app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
-
- if (acpi_acad_get_acline(&acline))
- app->ap_acline = APM_UNKNOWN;
- else
- app->ap_acline = acline; /* on/off */
-
- return (0);
-}
-
-/* Create single-use devices for /dev/apm and /dev/apmctl. */
-static void
-apm_clone(void *arg, struct ucred *cred, char *name, int namelen,
- struct cdev **dev)
-{
- int ctl_dev, unit;
-
- if (*dev != NULL)
- return;
- if (strcmp(name, "apmctl") == 0)
- ctl_dev = TRUE;
- else if (strcmp(name, "apm") == 0)
- ctl_dev = FALSE;
- else
- return;
-
- /* Always create a new device and unit number. */
- unit = -1;
- if (clone_create(&apm_clones, &apm_cdevsw, &unit, dev, 0)) {
- if (ctl_dev) {
- *dev = make_dev(&apm_cdevsw, unit,
- UID_ROOT, GID_OPERATOR, 0660, "apmctl%d", unit);
- } else {
- *dev = make_dev(&apm_cdevsw, unit,
- UID_ROOT, GID_OPERATOR, 0664, "apm%d", unit);
- }
- if (*dev != NULL) {
- dev_ref(*dev);
- (*dev)->si_flags |= SI_CHEAPCLONE;
- }
- }
-}
-
-/* Create a struct for tracking per-device suspend notification. */
-static struct apm_clone_data *
-apm_create_clone(struct cdev *dev, struct acpi_softc *acpi_sc)
-{
- struct apm_clone_data *clone;
-
- clone = malloc(sizeof(*clone), M_APMDEV, M_WAITOK);
- clone->cdev = dev;
- clone->acpi_sc = acpi_sc;
- clone->notify_status = APM_EV_NONE;
- bzero(&clone->sel_read, sizeof(clone->sel_read));
- knlist_init_mtx(&clone->sel_read.si_note, &acpi_mutex);
-
- /*
- * The acpi device is always managed by devd(8) and is considered
- * writable (i.e., ack is required to allow suspend to proceed.)
- */
- if (strcmp("acpi", devtoname(dev)) == 0)
- clone->flags = ACPI_EVF_DEVD | ACPI_EVF_WRITE;
- else
- clone->flags = ACPI_EVF_NONE;
-
- ACPI_LOCK(acpi);
- STAILQ_INSERT_TAIL(&acpi_sc->apm_cdevs, clone, entries);
- ACPI_UNLOCK(acpi);
- return (clone);
-}
-
-static int
-apmopen(struct cdev *dev, int flag, int fmt, struct thread *td)
-{
- struct acpi_softc *acpi_sc;
- struct apm_clone_data *clone;
-
- acpi_sc = devclass_get_softc(devclass_find("acpi"), 0);
- clone = apm_create_clone(dev, acpi_sc);
- dev->si_drv1 = clone;
-
- /* If the device is opened for write, record that. */
- if ((flag & FWRITE) != 0)
- clone->flags |= ACPI_EVF_WRITE;
-
- return (0);
-}
-
-static int
-apmclose(struct cdev *dev, int flag, int fmt, struct thread *td)
-{
- struct apm_clone_data *clone;
- struct acpi_softc *acpi_sc;
-
- clone = dev->si_drv1;
- acpi_sc = clone->acpi_sc;
-
- /* We are about to lose a reference so check if suspend should occur */
- if (acpi_sc->acpi_next_sstate != 0 &&
- clone->notify_status != APM_EV_ACKED)
- acpi_AckSleepState(clone, 0);
-
- /* Remove this clone's data from the list and free it. */
- ACPI_LOCK(acpi);
- STAILQ_REMOVE(&acpi_sc->apm_cdevs, clone, apm_clone_data, entries);
- knlist_destroy(&clone->sel_read.si_note);
- ACPI_UNLOCK(acpi);
- free(clone, M_APMDEV);
- destroy_dev_sched(dev);
- return (0);
-}
-
-static int
-apmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
-{
- int error;
- struct apm_clone_data *clone;
- struct acpi_softc *acpi_sc;
- struct apm_info info;
- struct apm_event_info *ev_info;
- apm_info_old_t aiop;
-
- error = 0;
- clone = dev->si_drv1;
- acpi_sc = clone->acpi_sc;
-
- switch (cmd) {
- case APMIO_SUSPEND:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- if (acpi_sc->acpi_next_sstate == 0) {
- if (acpi_sc->acpi_suspend_sx != ACPI_STATE_S5) {
- error = acpi_ReqSleepState(acpi_sc,
- acpi_sc->acpi_suspend_sx);
- } else {
- printf(
- "power off via apm suspend not supported\n");
- error = ENXIO;
- }
- } else
- error = acpi_AckSleepState(clone, 0);
- break;
- case APMIO_STANDBY:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- if (acpi_sc->acpi_next_sstate == 0) {
- if (acpi_sc->acpi_standby_sx != ACPI_STATE_S5) {
- error = acpi_ReqSleepState(acpi_sc,
- acpi_sc->acpi_standby_sx);
- } else {
- printf(
- "power off via apm standby not supported\n");
- error = ENXIO;
- }
- } else
- error = acpi_AckSleepState(clone, 0);
- break;
- case APMIO_NEXTEVENT:
- printf("apm nextevent start\n");
- ACPI_LOCK(acpi);
- if (acpi_sc->acpi_next_sstate != 0 && clone->notify_status ==
- APM_EV_NONE) {
- ev_info = (struct apm_event_info *)addr;
- if (acpi_sc->acpi_next_sstate <= ACPI_STATE_S3)
- ev_info->type = PMEV_STANDBYREQ;
- else
- ev_info->type = PMEV_SUSPENDREQ;
- ev_info->index = 0;
- clone->notify_status = APM_EV_NOTIFIED;
- printf("apm event returning %d\n", ev_info->type);
- } else
- error = EAGAIN;
- ACPI_UNLOCK(acpi);
- break;
- case APMIO_GETINFO_OLD:
- if (acpi_capm_get_info(&info))
- error = ENXIO;
- aiop = (apm_info_old_t)addr;
- aiop->ai_major = info.ai_major;
- aiop->ai_minor = info.ai_minor;
- aiop->ai_acline = info.ai_acline;
- aiop->ai_batt_stat = info.ai_batt_stat;
- aiop->ai_batt_life = info.ai_batt_life;
- aiop->ai_status = info.ai_status;
- break;
- case APMIO_GETINFO:
- if (acpi_capm_get_info((apm_info_t)addr))
- error = ENXIO;
- break;
- case APMIO_GETPWSTATUS:
- if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
- error = ENXIO;
- break;
- case APMIO_ENABLE:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- apm_active = 1;
- break;
- case APMIO_DISABLE:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- apm_active = 0;
- break;
- case APMIO_HALTCPU:
- break;
- case APMIO_NOTHALTCPU:
- break;
- case APMIO_DISPLAY:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- break;
- case APMIO_BIOS:
- if ((flag & FWRITE) == 0)
- return (EPERM);
- bzero(addr, sizeof(struct apm_bios_arg));
- break;
- default:
- error = EINVAL;
- break;
- }
-
- return (error);
-}
-
-static int
-apmwrite(struct cdev *dev, struct uio *uio, int ioflag)
-{
- return (uio->uio_resid);
-}
-
-static int
-apmpoll(struct cdev *dev, int events, struct thread *td)
-{
- struct apm_clone_data *clone;
- int revents;
-
- revents = 0;
- ACPI_LOCK(acpi);
- clone = dev->si_drv1;
- if (clone->acpi_sc->acpi_next_sstate)
- revents |= events & (POLLIN | POLLRDNORM);
- else
- selrecord(td, &clone->sel_read);
- ACPI_UNLOCK(acpi);
- return (revents);
-}
-
-static int
-apmkqfilter(struct cdev *dev, struct knote *kn)
-{
- struct apm_clone_data *clone;
-
- ACPI_LOCK(acpi);
- clone = dev->si_drv1;
- kn->kn_hook = clone;
- kn->kn_fop = &apm_readfiltops;
- knlist_add(&clone->sel_read.si_note, kn, 0);
- ACPI_UNLOCK(acpi);
- return (0);
-}
-
-static void
-apmreadfiltdetach(struct knote *kn)
-{
- struct apm_clone_data *clone;
-
- ACPI_LOCK(acpi);
- clone = kn->kn_hook;
- knlist_remove(&clone->sel_read.si_note, kn, 0);
- ACPI_UNLOCK(acpi);
-}
-
-static int
-apmreadfilt(struct knote *kn, long hint)
-{
- struct apm_clone_data *clone;
- int sleeping;
-
- ACPI_LOCK(acpi);
- clone = kn->kn_hook;
- sleeping = clone->acpi_sc->acpi_next_sstate ? 1 : 0;
- ACPI_UNLOCK(acpi);
- return (sleeping);
-}
int
acpi_machdep_init(device_t dev)
{
- struct acpi_softc *acpi_sc;
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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