1 /*-
2  * Copyright (c) 2002-2003 Taku YAMAMOTO <taku@cent.saitama-u.ac.jp>
152 		(((1 << DOD_HEAD_ID_BITS) - 1) << DOD_HEAD_ID_SHIFT)
201  * (the video "bus").  The 'video_output' lock protects per-output
315 	sc->evdev = evdev_alloc();  in acpi_video_attach()
316 	evdev_set_name(sc->evdev, device_get_desc(dev));  in acpi_video_attach()
317 	evdev_set_phys(sc->evdev, device_get_nameunit(dev));  in acpi_video_attach()
318 	evdev_set_id(sc->evdev, BUS_HOST, 0, 0, 1);  in acpi_video_attach()
319 	evdev_support_event(sc->evdev, EV_SYN);  in acpi_video_attach()
320 	evdev_support_event(sc->evdev, EV_KEY);  in acpi_video_attach()
322 		evdev_support_key(sc->evdev, acpi_video_evdev_map[i].key);  in acpi_video_attach()
324 	if (evdev_register(sc->evdev) != 0)  in acpi_video_attach()
331 		    SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,  in acpi_video_attach()
337 	sc->device = dev;  in acpi_video_attach()
338 	sc->handle = acpi_get_handle(dev);  in acpi_video_attach()
339 	STAILQ_INIT(&sc->vid_outputs);  in acpi_video_attach()
341 	AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,  in acpi_video_attach()
343 	sc->vid_pwr_evh = EVENTHANDLER_REGISTER(power_profile_change,  in acpi_video_attach()
352 	 * brightness levels.  in acpi_video_attach()
354 	vid_set_switch_policy(sc->handle, DOS_SWITCH_BY_OSPM |  in acpi_video_attach()
370 	vid_set_switch_policy(sc->handle, DOS_SWITCH_BY_BIOS);  in acpi_video_detach()
371 	EVENTHANDLER_DEREGISTER(power_profile_change, sc->vid_pwr_evh);  in acpi_video_detach()
372 	AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,  in acpi_video_detach()
376 	STAILQ_FOREACH_SAFE(vo, &sc->vid_outputs, vo_next, vn) {  in acpi_video_detach()
382 	evdev_free(sc->evdev);  in acpi_video_detach()
397 	/* Restore brightness level */  in acpi_video_resume()
400 	STAILQ_FOREACH_SAFE(vo, &sc->vid_outputs, vo_next, vn) {  in acpi_video_resume()
401 		if ((vo->adr & DOD_DEVID_MASK_FULL) != DOD_DEVID_LCD &&  in acpi_video_resume()
402 		    (vo->adr & DOD_DEVID_MASK) != DOD_DEVID_INTDFP)  in acpi_video_resume()
405 		if ((vo_get_device_status(vo->handle) & DCS_ACTIVE) == 0)  in acpi_video_resume()
409 		if (level != -1)  in acpi_video_resume()
424 	vid_set_switch_policy(sc->handle, DOS_SWITCH_BY_BIOS);  in acpi_video_shutdown()
451 		STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next) {  in acpi_video_notify_handler()
452 			dss = vo_get_graphics_state(vo->handle);  in acpi_video_notify_handler()
453 			dcs = vo_get_device_status(vo->handle);  in acpi_video_notify_handler()
461 				lasthand = vo->handle;  in acpi_video_notify_handler()
471 		STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next)  in acpi_video_notify_handler()
472 			vo->handle = NULL;  in acpi_video_notify_handler()
474 		STAILQ_FOREACH_SAFE(vo, &sc->vid_outputs, vo_next, vo_tmp) {  in acpi_video_notify_handler()
475 			if (vo->handle == NULL) {  in acpi_video_notify_handler()
476 				STAILQ_REMOVE(&sc->vid_outputs, vo,  in acpi_video_notify_handler()
488 		device_printf(sc->device, "unknown notify event 0x%x\n",  in acpi_video_notify_handler()
495 	acpi_video_push_evdev_event(sc->evdev, notify);  in acpi_video_notify_handler()
515 	STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next) {  in acpi_video_power_profile()
516 		if (vo->vo_levels != NULL && vo->vo_brightness == -1)  in acpi_video_power_profile()
519 			    vo->vo_economy : vo->vo_fullpower);  in acpi_video_power_profile()
534 	STAILQ_FOREACH(vo, &sc->vid_outputs, vo_next) {  in acpi_video_bind_outputs_subr()
535 		if (vo->adr == adr) {  in acpi_video_bind_outputs_subr()
543 		vo->evdev = sc->evdev;  in acpi_video_bind_outputs_subr()
546 		STAILQ_INSERT_TAIL(&sc->vid_outputs, vo, vo_next);  in acpi_video_bind_outputs_subr()
555 	vid_enum_outputs(sc->handle, acpi_video_bind_outputs_subr, sc);  in acpi_video_bind_outputs()
583 		desc = "TV/HDTV or Analog-Video Monitor";  in acpi_video_vo_init()
606 		if (vn->vo_unit.num != n)  in acpi_video_vo_init()
616 		vo->handle = NULL;  in acpi_video_vo_init()
617 		vo->adr = adr;  in acpi_video_vo_init()
618 		vo->vo_unit.num = n;  in acpi_video_vo_init()
619 		vo->vo_hasbqc = -1;  in acpi_video_vo_init()
620 		vo->vo_level = -1;  in acpi_video_vo_init()
621 		vo->vo_brightness = -1;  in acpi_video_vo_init()
622 		vo->vo_fullpower = -1;	/* TODO: override with tunables */  in acpi_video_vo_init()
623 		vo->vo_economy = -1;  in acpi_video_vo_init()
624 		vo->vo_numlevels = 0;  in acpi_video_vo_init()
625 		vo->vo_levels = NULL;  in acpi_video_vo_init()
628 			vo->vo_fullpower = x;  in acpi_video_vo_init()
631 			vo->vo_economy = x;  in acpi_video_vo_init()
633 		sysctl_ctx_init(&vo->vo_sysctl_ctx);  in acpi_video_vo_init()
639 			vo->vo_sysctl_tree =  in acpi_video_vo_init()
640 			    SYSCTL_ADD_NODE(&vo->vo_sysctl_ctx,  in acpi_video_vo_init()
644 		if (vo->vo_sysctl_tree != NULL) {  in acpi_video_vo_init()
645 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,  in acpi_video_vo_init()
646 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),  in acpi_video_vo_init()
651 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,  in acpi_video_vo_init()
652 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),  in acpi_video_vo_init()
653 			    OID_AUTO, "brightness",  in acpi_video_vo_init()
656 			    "current brightness level");  in acpi_video_vo_init()
657 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,  in acpi_video_vo_init()
658 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),  in acpi_video_vo_init()
664 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,  in acpi_video_vo_init()
665 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),  in acpi_video_vo_init()
671 			SYSCTL_ADD_PROC(&vo->vo_sysctl_ctx,  in acpi_video_vo_init()
672 			    SYSCTL_CHILDREN(vo->vo_sysctl_tree),  in acpi_video_vo_init()
673 			    OID_AUTO, "levels",  in acpi_video_vo_init()
676 			    "supported brightness levels");  in acpi_video_vo_init()
689 			printf(" (Non-VGA output device whose power "  in acpi_video_vo_init()
702 	if (vo->vo_levels != NULL) {  in acpi_video_vo_bind()
703 		AcpiRemoveNotifyHandler(vo->handle, ACPI_DEVICE_NOTIFY,  in acpi_video_vo_bind()
705 		AcpiOsFree(vo->vo_levels);  in acpi_video_vo_bind()
706 		vo->vo_levels = NULL;  in acpi_video_vo_bind()
708 	vo->handle = handle;  in acpi_video_vo_bind()
709 	vo->vo_numlevels = vo_get_brightness_levels(handle, &vo->vo_levels);  in acpi_video_vo_bind()
710 	if (vo->vo_numlevels >= 2) {  in acpi_video_vo_bind()
711 		if (vo->vo_fullpower == -1 ||  in acpi_video_vo_bind()
712 		    acpi_video_vo_check_level(vo, vo->vo_fullpower) != 0) {  in acpi_video_vo_bind()
713 			/* XXX - can't deal with rebinding... */  in acpi_video_vo_bind()
714 			vo->vo_fullpower = vo->vo_levels[BCL_FULLPOWER];  in acpi_video_vo_bind()
716 		if (vo->vo_economy == -1 ||  in acpi_video_vo_bind()
717 		    acpi_video_vo_check_level(vo, vo->vo_economy) != 0) {  in acpi_video_vo_bind()
718 			/* XXX - see above. */  in acpi_video_vo_bind()
719 			vo->vo_economy = vo->vo_levels[BCL_ECONOMY];  in acpi_video_vo_bind()
733 	if (vo->vo_sysctl_tree != NULL) {  in acpi_video_vo_destroy()
734 		vo->vo_sysctl_tree = NULL;  in acpi_video_vo_destroy()
735 		sysctl_ctx_free(&vo->vo_sysctl_ctx);  in acpi_video_vo_destroy()
737 	if (vo->vo_levels != NULL) {  in acpi_video_vo_destroy()
738 		AcpiRemoveNotifyHandler(vo->handle, ACPI_DEVICE_NOTIFY,  in acpi_video_vo_destroy()
740 		AcpiOsFree(vo->vo_levels);  in acpi_video_vo_destroy()
743 	switch (vo->adr & DOD_DEVID_MASK) {  in acpi_video_vo_destroy()
745 		if ((vo->adr & DOD_DEVID_MASK_FULL) == DOD_DEVID_LCD)  in acpi_video_vo_destroy()
772 	if (vo->vo_levels == NULL)  in acpi_video_vo_check_level()
774 	for (i = 0; i < vo->vo_numlevels; i++)  in acpi_video_vo_check_level()
775 		if (vo->vo_levels[i] == level)  in acpi_video_vo_check_level()
788 	if (vo->handle != handle)  in acpi_video_vo_notify_handler()
793 		if (vo->vo_numlevels <= 3)  in acpi_video_vo_notify_handler()
800 		if (vo->vo_levels == NULL)  in acpi_video_vo_notify_handler()
815 		for (i = 2; i < vo->vo_numlevels; i++)  in acpi_video_vo_notify_handler()
816 			if (vo->vo_levels[i] == level) {  in acpi_video_vo_notify_handler()
817 				new_level = vo->vo_numlevels > i + 1 ?  in acpi_video_vo_notify_handler()
818 				     vo->vo_levels[i + 1] : vo->vo_levels[2];  in acpi_video_vo_notify_handler()
824 		for (i = 0; i < vo->vo_numlevels; i++) {  in acpi_video_vo_notify_handler()
825 			j = vo->vo_levels[i];  in acpi_video_vo_notify_handler()
838 		for (i = 0; i < vo->vo_numlevels; i++)  in acpi_video_vo_notify_handler()
839 			if (vo->vo_levels[i] == 0) {  in acpi_video_vo_notify_handler()
850 		vo->vo_brightness = new_level;  in acpi_video_vo_notify_handler()
853 	acpi_video_push_evdev_event(vo->evdev, notify);  in acpi_video_vo_notify_handler()
871 	if (vo->handle == NULL)  in acpi_video_vo_active_sysctl()
874 	state = (vo_get_device_status(vo->handle) & DCS_ACTIVE) ? 1 : 0;  in acpi_video_vo_active_sysctl()
876 	if (err != 0 || req->newptr == NULL)  in acpi_video_vo_active_sysctl()
878 	vo_set_device_state(vo->handle,  in acpi_video_vo_active_sysctl()
894 	if (vo->handle == NULL) {  in acpi_video_vo_bright_sysctl()
898 	if (vo->vo_levels == NULL) {  in acpi_video_vo_bright_sysctl()
904 		  vo->vo_economy : vo->vo_fullpower;  in acpi_video_vo_bright_sysctl()
905 	level = vo->vo_brightness;  in acpi_video_vo_bright_sysctl()
906 	if (level == -1)  in acpi_video_vo_bright_sysctl()
910 	if (err != 0 || req->newptr == NULL)  in acpi_video_vo_bright_sysctl()
912 	if (level < -1 || level > 100) {  in acpi_video_vo_bright_sysctl()
917 	if (level != -1 && (err = acpi_video_vo_check_level(vo, level)))  in acpi_video_vo_bright_sysctl()
919 	vo->vo_brightness = level;  in acpi_video_vo_bright_sysctl()
920 	vo_set_brightness(vo, (level == -1) ? preset : level);  in acpi_video_vo_bright_sysctl()
935 	if (vo->handle == NULL) {  in acpi_video_vo_presets_sysctl()
939 	if (vo->vo_levels == NULL) {  in acpi_video_vo_presets_sysctl()
944 		  &vo->vo_economy : &vo->vo_fullpower;  in acpi_video_vo_presets_sysctl()
947 	if (err != 0 || req->newptr == NULL)  in acpi_video_vo_presets_sysctl()
949 	if (level < -1 || level > 100) {  in acpi_video_vo_presets_sysctl()
953 	if (level == -1) {  in acpi_video_vo_presets_sysctl()
956 		level = vo->vo_levels[i];  in acpi_video_vo_presets_sysctl()
960 	if (vo->vo_brightness == -1 && (power_profile_get_state() == arg2))  in acpi_video_vo_presets_sysctl()
978 	if (vo->vo_levels == NULL) {  in acpi_video_vo_levels_sysctl()
982 	if (req->newptr != NULL) {  in acpi_video_vo_levels_sysctl()
986 	err = sysctl_handle_opaque(oidp, vo->vo_levels,  in acpi_video_vo_levels_sysctl()
987 	    vo->vo_numlevels * sizeof(*vo->vo_levels), req);  in acpi_video_vo_levels_sysctl()
1001 		printf("can't evaluate %s._DOS - %s\n",  in vid_set_switch_policy()
1027 	for (i = 0; i < argset->dod_pkg->Package.Count; i++) {  in vid_enum_outputs_subr()
1028 		if (acpi_PkgInt32(argset->dod_pkg, i, &val) == 0 &&  in vid_enum_outputs_subr()
1031 			argset->callback(handle, val, argset->context);  in vid_enum_outputs_subr()
1032 			argset->count++;  in vid_enum_outputs_subr()
1054 			printf("can't evaluate %s._DOD - %s\n",  in vid_enum_outputs()
1056 		argset.count = -1;  in vid_enum_outputs()
1063 		argset.count = -1;  in vid_enum_outputs()
1067 		argset.count = res->Package.Count;  in vid_enum_outputs()
1077 		printf("failed walking down %s - %s\n",  in vid_enum_outputs()
1091 	int num, i, n, *levels;  in vo_get_brightness_levels()  local
1098 			printf("can't evaluate %s._BCL - %s\n",  in vo_get_brightness_levels()
1108 	num = res->Package.Count;  in vo_get_brightness_levels()
1111 	levels = AcpiOsAllocate(num * sizeof(*levels));  in vo_get_brightness_levels()
1112 	if (levels == NULL)  in vo_get_brightness_levels()
1115 		if (acpi_PkgInt32(res, i, &levels[n]) == 0)  in vo_get_brightness_levels()
1118 		AcpiOsFree(levels);  in vo_get_brightness_levels()
1121 	*levelp = levels;  in vo_get_brightness_levels()
1135 	switch (vo->vo_hasbqc) {  in vo_get_bqc()
1137 	case -1:  in vo_get_bqc()
1138 		status = acpi_GetInteger(vo->handle, "_BQC", level);  in vo_get_bqc()
1139 		if (vo->vo_hasbqc == 1)  in vo_get_bqc()
1141 		vo->vo_hasbqc = status != AE_NOT_FOUND;  in vo_get_bqc()
1142 		if (vo->vo_hasbqc == 1)  in vo_get_bqc()
1146 		KASSERT(vo->vo_hasbqc == 0,  in vo_get_bqc()
1147 		    ("bad vo_hasbqc state %d", vo->vo_hasbqc));  in vo_get_bqc()
1148 		*level = vo->vo_level;  in vo_get_bqc()
1163 		printf("can't evaluate %s._BQC - %s\n", acpi_name(vo->handle),  in vo_get_brightness()
1165 		return (-1);  in vo_get_brightness()
1168 		return (-1);  in vo_get_brightness()
1180 	status = acpi_SetInteger(vo->handle, "_BCM", level);  in vo_set_brightness()
1182 		printf("can't evaluate %s._BCM - %s\n",  in vo_set_brightness()
1183 		    acpi_name(vo->handle), AcpiFormatException(status));  in vo_set_brightness()
1185 		vo->vo_level = level;  in vo_set_brightness()
1188 	devctl_notify("ACPI", "Video", "brightness", notify_buf);  in vo_set_brightness()
1206 			printf("can't evaluate %s._DCS - %s\n",  in vo_get_device_status()
1230 			printf("can't evaluate %s._DGS - %s\n",  in vo_get_graphics_state()
1248 		printf("can't evaluate %s._DSS - %s\n",  in vo_set_device_state()