diff options
| -rw-r--r-- | sys/amd64/acpica/acpi_machdep.c | 453 | ||||
| -rw-r--r-- | sys/conf/files.amd64 | 1 | ||||
| -rw-r--r-- | sys/conf/files.i386 | 1 | ||||
| -rw-r--r-- | sys/dev/acpica/acpivar.h | 3 | ||||
| -rw-r--r-- | sys/i386/acpica/acpi_machdep.c | 460 | ||||
| -rw-r--r-- | sys/modules/acpi/acpi/Makefile | 2 | ||||
| -rw-r--r-- | sys/x86/acpica/acpi_apm.c | 490 |
7 files changed, 509 insertions, 901 deletions
diff --git a/sys/amd64/acpica/acpi_machdep.c b/sys/amd64/acpica/acpi_machdep.c index 8c66696..1226d00 100644 --- a/sys/amd64/acpica/acpi_machdep.c +++ b/sys/amd64/acpica/acpi_machdep.c @@ -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"); } diff --git a/sys/conf/files.amd64 b/sys/conf/files.amd64 index 87c1d9d..470aca5 100644 --- a/sys/conf/files.amd64 +++ b/sys/conf/files.amd64 @@ -300,6 +300,7 @@ contrib/x86emu/x86emu.c optional x86bios | atkbd | dpms | vesa # 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 diff --git a/sys/conf/files.i386 b/sys/conf/files.i386 index 5243afb..c955507 100644 --- a/sys/conf/files.i386 +++ b/sys/conf/files.i386 @@ -373,6 +373,7 @@ compat/x86bios/x86bios.c optional x86bios | atkbd | dpms | vesa # 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 diff --git a/sys/dev/acpica/acpivar.h b/sys/dev/acpica/acpivar.h index 34284d5..130566a 100644 --- a/sys/dev/acpica/acpivar.h +++ b/sys/dev/acpica/acpivar.h @@ -396,6 +396,9 @@ ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state); 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) diff --git a/sys/i386/acpica/acpi_machdep.c b/sys/i386/acpica/acpi_machdep.c index 7ea57d9..dd63d32 100644 --- a/sys/i386/acpica/acpi_machdep.c +++ b/sys/i386/acpica/acpi_machdep.c @@ -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; + struct acpi_softc *sc; - acpi_sc = devclass_get_softc(devclass_find("acpi"), 0); + sc = devclass_get_softc(devclass_find("acpi"), 0); /* Create a clone for /dev/acpi also. */ - STAILQ_INIT(&acpi_sc->apm_cdevs); - acpi_sc->acpi_clone = apm_create_clone(acpi_sc->acpi_dev_t, acpi_sc); - clone_setup(&apm_clones); - EVENTHANDLER_REGISTER(dev_clone, apm_clone, 0, 1000); - acpi_install_wakeup_handler(acpi_sc); + sc->acpi_clone = acpi_apm_create_clone(sc->acpi_dev_t, sc); + acpi_install_wakeup_handler(sc); if (intr_model == ACPI_INTR_PIC) BUS_CONFIG_INTR(dev, AcpiGbl_FADT.SciInterrupt, @@ -516,8 +73,8 @@ acpi_machdep_init(device_t dev) else acpi_SetIntrModel(intr_model); - SYSCTL_ADD_UINT(&acpi_sc->acpi_sysctl_ctx, - SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO, + SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx, + SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO, "reset_video", CTLFLAG_RW, &acpi_reset_video, 0, "Call the VESA reset BIOS vector on the resume path"); @@ -556,6 +113,7 @@ acpi_machdep_quirks(int *quirks) void acpi_cpu_c1() { + __asm __volatile("sti; hlt"); } diff --git a/sys/modules/acpi/acpi/Makefile b/sys/modules/acpi/acpi/Makefile index 83815b5..ce1e572 100644 --- a/sys/modules/acpi/acpi/Makefile +++ b/sys/modules/acpi/acpi/Makefile @@ -96,7 +96,7 @@ opt_ddb.h: Makefile .endif # Machine-specific code such as sleep/wakeup -SRCS+= acpi_machdep.c acpi_wakecode.h acpi_wakeup.c +SRCS+= acpi_apm.c acpi_machdep.c acpi_wakecode.h acpi_wakeup.c SRCS+= assym.s madt.c CLEANFILES+= acpi_wakecode.bin acpi_wakecode.h acpi_wakecode.o diff --git a/sys/x86/acpica/acpi_apm.c b/sys/x86/acpica/acpi_apm.c new file mode 100644 index 0000000..3369545 --- /dev/null +++ b/sys/x86/acpica/acpi_apm.c @@ -0,0 +1,490 @@ +/*- + * Copyright (c) 2001 Mitsuru IWASAKI + * 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 AUTHOR 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 AUTHOR 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> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/kernel.h> +#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 <contrib/dev/acpica/include/acpi.h> + +#include <dev/acpica/acpivar.h> +#include <dev/acpica/acpiio.h> + +#include <machine/apm_bios.h> + +/* + * APM driver emulation + */ + +#define APM_UNKNOWN 0xff + +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); +} + +struct apm_clone_data * +acpi_apm_create_clone(struct cdev *dev, struct acpi_softc *acpi_sc) +{ + struct apm_clone_data *clone; + + STAILQ_INIT(&acpi_sc->apm_cdevs); + clone = apm_create_clone(dev, acpi_sc); + clone_setup(&apm_clones); + EVENTHANDLER_REGISTER(dev_clone, apm_clone, 0, 1000); + return (clone); +} |
