dev/acpica/acpi_video.c

366 	struct acpi_video_output *vo, *vn;
376 	STAILQ_FOREACH_SAFE(vo, &sc->vid_outputs, vo_next, vn) {
377 		acpi_video_vo_destroy(vo);
392 	struct acpi_video_output *vo, *vn;
400 	STAILQ_FOREACH_SAFE(vo, &sc->vid_outputs, vo_next, vn) {
401 		if ((vo->adr & DOD_DEVID_MASK_FULL) != DOD_DEVID_LCD &&
402 		    (vo->adr & DOD_DEVID_MASK) != DOD_DEVID_INTDFP)
405 		if ((vo_get_device_status(vo->handle) & DCS_ACTIVE) == 0)
408 		level = vo_get_brightness(vo);
410 			vo_set_brightness(vo, level);
439 	struct acpi_video_output *vo, *vo_tmp;
451 		STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next) {
452 			dss = vo_get_graphics_state(vo->handle);
453 			dcs = vo_get_device_status(vo->handle);
461 				lasthand = vo->handle;
471 		STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next)
472 			vo->handle = NULL;
474 		STAILQ_FOREACH_SAFE(vo, &sc->vid_outputs, vo_next, vo_tmp) {
475 			if (vo->handle == NULL) {
476 				STAILQ_REMOVE(&sc->vid_outputs, vo,
478 				acpi_video_vo_destroy(vo);
505 	struct acpi_video_output *vo;
515 	STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next) {
516 		if (vo->vo_levels != NULL && vo->vo_brightness == -1)
517 			vo_set_brightness(vo,
519 			    vo->vo_economy : vo->vo_fullpower);
529 	struct acpi_video_output *vo;
534 	STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next) {
535 		if (vo->adr == adr) {
536 			acpi_video_vo_bind(vo, handle);
540 	vo = acpi_video_vo_init(adr);
541 	if (vo != NULL) {
543 		vo->evdev = sc->evdev;
545 		acpi_video_vo_bind(vo, handle);
546 		STAILQ_INSERT_TAIL(&sc->vid_outputs, vo, vo_next);
561 	struct acpi_video_output *vn, *vo, *vp;
614 	vo = malloc(sizeof(*vo), M_ACPIVIDEO, M_NOWAIT);
615 	if (vo != NULL) {
616 		vo->handle = NULL;
617 		vo->adr = adr;
618 		vo->vo_unit.num = n;
619 		vo->vo_hasbqc = -1;
620 		vo->vo_level = -1;
621 		vo->vo_brightness = -1;
622 		vo->vo_fullpower = -1;	/* TODO: override with tunables */
623 		vo->vo_economy = -1;
624 		vo->vo_numlevels = 0;
625 		vo->vo_levels = NULL;
628 			vo->vo_fullpower = x;
631 			vo->vo_economy = x;
633 		sysctl_ctx_init(&vo->vo_sysctl_ctx);
635 			STAILQ_INSERT_AFTER(voqh, vp, vo, vo_unit.next);
637 			STAILQ_INSERT_TAIL(voqh, vo, vo_unit.next);
639 			vo->vo_sysctl_tree =
640 			    SYSCTL_ADD_NODE(&vo->vo_sysctl_ctx,
644 		if (vo->vo_sysctl_tree != NULL) {
645 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,
646 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),
648 			    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vo,
651 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,
652 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),
654 			    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vo,
657 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,
658 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),
660 			    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vo,
664 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,
665 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),
667 			    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vo,
671 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,
672 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),
674 			    CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, vo,
694 	return (vo);
698 acpi_video_vo_bind(struct acpi_video_output *vo, ACPI_HANDLE handle)
702 	if (vo->vo_levels != NULL) {
703 		AcpiRemoveNotifyHandler(vo->handle, ACPI_DEVICE_NOTIFY,
705 		AcpiOsFree(vo->vo_levels);
706 		vo->vo_levels = NULL;
708 	vo->handle = handle;
709 	vo->vo_numlevels = vo_get_brightness_levels(handle, &vo->vo_levels);
710 	if (vo->vo_numlevels >= 2) {
711 		if (vo->vo_fullpower == -1 ||
712 		    acpi_video_vo_check_level(vo, vo->vo_fullpower) != 0) {
714 			vo->vo_fullpower = vo->vo_levels[BCL_FULLPOWER];
716 		if (vo->vo_economy == -1 ||
717 		    acpi_video_vo_check_level(vo, vo->vo_economy) != 0) {
719 			vo->vo_economy = vo->vo_levels[BCL_ECONOMY];
722 		    acpi_video_vo_notify_handler, vo);
728 acpi_video_vo_destroy(struct acpi_video_output *vo)
733 	if (vo->vo_sysctl_tree != NULL) {
734 		vo->vo_sysctl_tree = NULL;
735 		sysctl_ctx_free(&vo->vo_sysctl_ctx);
737 	if (vo->vo_levels != NULL) {
738 		AcpiRemoveNotifyHandler(vo->handle, ACPI_DEVICE_NOTIFY,
740 		AcpiOsFree(vo->vo_levels);
743 	switch (vo->adr & DOD_DEVID_MASK) {
745 		if ((vo->adr & DOD_DEVID_MASK_FULL) == DOD_DEVID_LCD)
762 	STAILQ_REMOVE(voqh, vo, acpi_video_output, vo_unit.next);
763 	free(vo, M_ACPIVIDEO);
767 acpi_video_vo_check_level(struct acpi_video_output *vo, int level)
772 	if (vo->vo_levels == NULL)
774 	for (i = 0; i < vo->vo_numlevels; i++)
775 		if (vo->vo_levels[i] == level)
783 	struct acpi_video_output *vo;
786 	vo = context;
788 	if (vo->handle != handle)
793 		if (vo->vo_numlevels <= 3)
800 		if (vo->vo_levels == NULL)
802 		level = vo_get_brightness(vo);
815 		for (i = 2; i < vo->vo_numlevels; i++)
816 			if (vo->vo_levels[i] == level) {
817 				new_level = vo->vo_numlevels > i + 1 ?
818 				     vo->vo_levels[i + 1] : vo->vo_levels[2];
824 		for (i = 0; i < vo->vo_numlevels; i++) {
825 			j = vo->vo_levels[i];
838 		for (i = 0; i < vo->vo_numlevels; i++)
839 			if (vo->vo_levels[i] == 0) {
849 		vo_set_brightness(vo, new_level);
850 		vo->vo_brightness = new_level;
853 	acpi_video_push_evdev_event(vo->evdev, notify);
867 	struct acpi_video_output *vo;
870 	vo = (struct acpi_video_output *)arg1;
871 	if (vo->handle == NULL)
874 	state = (vo_get_device_status(vo->handle) & DCS_ACTIVE) ? 1 : 0;
878 	vo_set_device_state(vo->handle,
889 	struct acpi_video_output *vo;
892 	vo = (struct acpi_video_output *)arg1;
894 	if (vo->handle == NULL) {
898 	if (vo->vo_levels == NULL) {
904 		  vo->vo_economy : vo->vo_fullpower;
905 	level = vo->vo_brightness;
917 	if (level != -1 && (err = acpi_video_vo_check_level(vo, level)))
919 	vo->vo_brightness = level;
920 	vo_set_brightness(vo, (level == -1) ? preset : level);
930 	struct acpi_video_output *vo;
933 	vo = (struct acpi_video_output *)arg1;
935 	if (vo->handle == NULL) {
939 	if (vo->vo_levels == NULL) {
944 		  &vo->vo_economy : &vo->vo_fullpower;
956 		level = vo->vo_levels[i];
957 	} else if ((err = acpi_video_vo_check_level(vo, level)) != 0)
960 	if (vo->vo_brightness == -1 && (power_profile_get_state() == arg2))
961 		vo_set_brightness(vo, level);
973 	struct acpi_video_output *vo;
976 	vo = (struct acpi_video_output *)arg1;
978 	if (vo->vo_levels == NULL) {
986 	err = sysctl_handle_opaque(oidp, vo->vo_levels,
987 	    vo->vo_numlevels * sizeof(*vo->vo_levels), req);
1131 vo_get_bqc(struct acpi_video_output *vo, UINT32 *level)
1135 	switch (vo->vo_hasbqc) {
1138 		status = acpi_GetInteger(vo->handle, "_BQC", level);
1139 		if (vo->vo_hasbqc == 1)
1141 		vo->vo_hasbqc = status != AE_NOT_FOUND;
1142 		if (vo->vo_hasbqc == 1)
1146 		KASSERT(vo->vo_hasbqc == 0,
1147 		    ("bad vo_hasbqc state %d", vo->vo_hasbqc));
1148 		*level = vo->vo_level;
1155 vo_get_brightness(struct acpi_video_output *vo)
1161 	status = vo_get_bqc(vo, &level);
1163 		printf("can't evaluate %s._BQC - %s\n", acpi_name(vo->handle),
1174 vo_set_brightness(struct acpi_video_output *vo, int level)
1180 	status = acpi_SetInteger(vo->handle, "_BCM", level);
1183 		    acpi_name(vo->handle), AcpiFormatException(status));
1185 		vo->vo_level = level;