From f01ec2a1c628b134a7096750203670f6d1b98b39 Mon Sep 17 00:00:00 2001 From: jkim Date: Wed, 10 Nov 2010 01:29:56 +0000 Subject: 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. --- sys/amd64/acpica/acpi_machdep.c | 453 +--------------------------------------- 1 file changed, 4 insertions(+), 449 deletions(-) (limited to 'sys/amd64/acpica') 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 -/* - * APM driver emulation - */ - -#include -#include -#include -#include -#include -#include - -#include - -#include -#include - -#include - 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"); } -- cgit v1.1