1/*-
2 * Copyright (c) 2002 Sean Bullington <seanATstalker.org>
3 *               2003-2008 Anish Mistry <amistry@am-productions.biz>
4 *               2004 Mark Santcroos <marks@ripe.net>
5 * All Rights Reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30#include <sys/cdefs.h>
31#include "opt_acpi.h"
32#include <sys/param.h>
33#include <sys/kernel.h>
34#include <sys/bus.h>
35#include <sys/module.h>
36#include <sys/sysctl.h>
37
38#include <contrib/dev/acpica/include/acpi.h>
39#include <contrib/dev/acpica/include/accommon.h>
40
41#include <dev/acpica/acpivar.h>
42
43/* Hooks for the ACPI CA debugging infrastructure */
44#define _COMPONENT	ACPI_OEM
45ACPI_MODULE_NAME("Fujitsu")
46
47/* Change and update bits for the hotkeys */
48#define VOLUME_MUTE_BIT		0x40000000
49
50/* Values of settings */
51#define GENERAL_SETTING_BITS	0x0fffffff
52#define MOUSE_SETTING_BITS	GENERAL_SETTING_BITS
53#define VOLUME_SETTING_BITS	GENERAL_SETTING_BITS
54#define BRIGHTNESS_SETTING_BITS	GENERAL_SETTING_BITS
55
56/* Possible state changes */
57/*
58 * These are NOT arbitrary values.  They are the
59 * GHKS return value from the device that says which
60 * hotkey is active.  They should match up with a bit
61 * from the GSIF bitmask.
62 */
63#define BRIGHT_CHANGED	0x01
64#define VOLUME_CHANGED	0x04
65#define MOUSE_CHANGED	0x08
66/*
67 * It is unknown which hotkey this bit is supposed to indicate, but
68 * according to values from GSIF this is a valid flag.
69 */
70#define UNKNOWN_CHANGED	0x10
71
72/* sysctl values */
73#define FN_MUTE			0
74#define FN_POINTER_ENABLE	1
75#define FN_LCD_BRIGHTNESS	2
76#define FN_VOLUME		3
77
78/* Methods */
79#define METHOD_GBLL	1
80#define METHOD_GMOU	2
81#define METHOD_GVOL	3
82#define METHOD_MUTE	4
83#define METHOD_RBLL	5
84#define METHOD_RVOL	6
85#define METHOD_GSIF	7
86#define METHOD_GHKS	8
87#define METHOD_GBLS	9
88
89/* Notify event */
90#define	ACPI_NOTIFY_STATUS_CHANGED	0x80
91
92/*
93 * Holds a control method name and its associated integer value.
94 * Only used for no-argument control methods which return a value.
95 */
96struct int_nameval {
97	char	*name;
98	int	value;
99	int	exists;
100};
101
102/*
103 * Driver extension for the FUJITSU ACPI driver.
104 */
105struct acpi_fujitsu_softc {
106	device_t	dev;
107	ACPI_HANDLE	handle;
108
109	/* Control methods */
110	struct int_nameval	_sta,	/* unused */
111				gbll,	/* brightness */
112				gbls,	/* get brightness state */
113				ghks,	/* hotkey selector */
114				gbuf,	/* unused (buffer?) */
115				gmou,	/* mouse */
116				gsif,	/* function key bitmask */
117				gvol,	/* volume */
118				rbll,	/* number of brightness levels (radix) */
119				rvol;	/* number of volume levels (radix) */
120
121	/* State variables */
122	uint8_t		bIsMuted;	/* Is volume muted */
123	uint8_t		bIntPtrEnabled;	/* Is internal ptr enabled */
124	uint32_t	lastValChanged;	/* The last value updated */
125
126	/* sysctl tree */
127	struct sysctl_ctx_list	sysctl_ctx;
128	struct sysctl_oid	*sysctl_tree;
129};
130
131/* Driver entry point forward declarations. */
132static int	acpi_fujitsu_probe(device_t dev);
133static int	acpi_fujitsu_attach(device_t dev);
134static int	acpi_fujitsu_detach(device_t dev);
135static int	acpi_fujitsu_suspend(device_t dev);
136static int	acpi_fujitsu_resume(device_t dev);
137
138static void	acpi_fujitsu_notify_status_changed(void *arg);
139static void	acpi_fujitsu_notify_handler(ACPI_HANDLE h, uint32_t notify, void *context);
140static int	acpi_fujitsu_sysctl(SYSCTL_HANDLER_ARGS);
141
142/* Utility function declarations */
143static uint8_t acpi_fujitsu_update(struct acpi_fujitsu_softc *sc);
144static uint8_t acpi_fujitsu_init(struct acpi_fujitsu_softc *sc);
145static uint8_t acpi_fujitsu_check_hardware(struct acpi_fujitsu_softc *sc);
146
147/* Driver/Module specific structure definitions. */
148static device_method_t acpi_fujitsu_methods[] = {
149	/* Device interface */
150	DEVMETHOD(device_probe,		acpi_fujitsu_probe),
151	DEVMETHOD(device_attach,	acpi_fujitsu_attach),
152	DEVMETHOD(device_detach,	acpi_fujitsu_detach),
153	DEVMETHOD(device_suspend,	acpi_fujitsu_suspend),
154	DEVMETHOD(device_resume,	acpi_fujitsu_resume),
155
156	DEVMETHOD_END
157};
158
159static driver_t acpi_fujitsu_driver = {
160	"acpi_fujitsu",
161	acpi_fujitsu_methods,
162	sizeof(struct acpi_fujitsu_softc),
163};
164
165/* Prototype for function hotkeys for getting/setting a value. */
166static int acpi_fujitsu_method_get(struct acpi_fujitsu_softc *sc, int method);
167static int acpi_fujitsu_method_set(struct acpi_fujitsu_softc *sc, int method, int value);
168
169static char *fujitsu_ids[] = { "FUJ02B1", NULL };
170
171ACPI_SERIAL_DECL(fujitsu, "Fujitsu Function Hotkeys");
172
173/* sysctl names and function calls */
174static struct {
175	char		*name;
176	int		method;
177	char		*description;
178} sysctl_table[] = {
179	{
180		.name		= "mute",
181		.method		= METHOD_MUTE,
182		.description	= "Speakers/headphones mute status"
183	},
184	{
185		.name		= "pointer_enable",
186		.method		= METHOD_GMOU,
187		.description	= "Enable and disable the internal pointer"
188	},
189	{
190		.name		= "lcd_brightness",
191		.method		= METHOD_GBLL,
192		.description	= "Brightness level of the LCD panel"
193	},
194	{
195		.name		= "lcd_brightness",
196		.method		= METHOD_GBLS,
197		.description	= "Brightness level of the LCD panel"
198	},
199	{
200		.name		= "volume",
201		.method		= METHOD_GVOL,
202		.description	= "Speakers/headphones volume level"
203	},
204	{
205		.name		= "volume_radix",
206		.method		= METHOD_RVOL,
207		.description	= "Number of volume level steps"
208	},
209	{
210		.name		= "lcd_brightness_radix",
211		.method		= METHOD_RBLL,
212		.description	= "Number of brightness level steps"
213	},
214	{ NULL, 0, NULL }
215};
216
217DRIVER_MODULE(acpi_fujitsu, acpi, acpi_fujitsu_driver, 0, 0);
218MODULE_DEPEND(acpi_fujitsu, acpi, 1, 1, 1);
219MODULE_VERSION(acpi_fujitsu, 1);
220
221static int
222acpi_fujitsu_probe(device_t dev)
223{
224	char *name;
225	int rv;
226
227	rv =  ACPI_ID_PROBE(device_get_parent(dev), dev, fujitsu_ids, &name);
228	if (acpi_disabled("fujitsu") || rv > 0 || device_get_unit(dev) > 1)
229		return (ENXIO);
230	device_set_descf(dev, "Fujitsu Function Hotkeys %s", name);
231
232	return (rv);
233}
234
235static int
236acpi_fujitsu_attach(device_t dev)
237{
238	struct acpi_fujitsu_softc *sc;
239
240	ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
241
242	sc = device_get_softc(dev);
243	sc->dev = dev;
244	sc->handle = acpi_get_handle(dev);
245
246	/* Install notification handler */
247	AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
248	    acpi_fujitsu_notify_handler, sc);
249
250	/* Snag our default values for the hotkeys / hotkey states. */
251	ACPI_SERIAL_BEGIN(fujitsu);
252	if (!acpi_fujitsu_init(sc))
253		device_printf(dev, "Couldn't initialize hotkey states!\n");
254	ACPI_SERIAL_END(fujitsu);
255
256	return (0);
257}
258
259/*
260 * Called when the system is being suspended, simply
261 * set an event to be signalled when we wake up.
262 */
263static int
264acpi_fujitsu_suspend(device_t dev)
265{
266
267	return (0);
268}
269
270static int
271acpi_fujitsu_resume(device_t dev)
272{
273	struct acpi_fujitsu_softc   *sc;
274	ACPI_STATUS		    status;
275
276	sc = device_get_softc(dev);
277
278	/*
279	 * The pointer needs to be re-enabled for
280	 * some revisions of the P series (2120).
281	 */
282	ACPI_SERIAL_BEGIN(fujitsu);
283
284	if(sc->gmou.exists) {
285		status = acpi_SetInteger(sc->handle, "SMOU", 1);
286		if (ACPI_FAILURE(status))
287			device_printf(sc->dev, "Couldn't enable pointer\n");
288	}
289	ACPI_SERIAL_END(fujitsu);
290
291	return (0);
292}
293
294static void
295acpi_fujitsu_notify_status_changed(void *arg)
296{
297	struct acpi_fujitsu_softc *sc;
298
299	ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
300
301	sc = (struct acpi_fujitsu_softc *)arg;
302
303	/*
304	 * Since our notify function is called, we know something has
305	 * happened.  So the only reason for acpi_fujitsu_update to fail
306	 * is if we can't find what has changed or an error occurs.
307	 */
308	ACPI_SERIAL_BEGIN(fujitsu);
309	acpi_fujitsu_update(sc);
310	ACPI_SERIAL_END(fujitsu);
311}
312
313static void
314acpi_fujitsu_notify_handler(ACPI_HANDLE h, uint32_t notify, void *context)
315{
316	struct acpi_fujitsu_softc *sc;
317
318	ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
319
320	sc = (struct acpi_fujitsu_softc *)context;
321
322	switch (notify) {
323	case ACPI_NOTIFY_STATUS_CHANGED:
324		AcpiOsExecute(OSL_NOTIFY_HANDLER,
325		    acpi_fujitsu_notify_status_changed, sc);
326		break;
327	default:
328		/* unknown notification value */
329		break;
330	}
331}
332
333static int
334acpi_fujitsu_detach(device_t dev)
335{
336	struct acpi_fujitsu_softc *sc;
337
338	sc = device_get_softc(dev);
339	AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
340	   acpi_fujitsu_notify_handler);
341
342	sysctl_ctx_free(&sc->sysctl_ctx);
343
344	return (0);
345}
346
347/*
348 * Initializes the names of the ACPI control methods and grabs
349 * the current state of all of the ACPI hotkeys into the softc.
350 */
351static uint8_t
352acpi_fujitsu_init(struct acpi_fujitsu_softc *sc)
353{
354	struct acpi_softc *acpi_sc;
355	int i, exists;
356
357	ACPI_SERIAL_ASSERT(fujitsu);
358
359	/* Setup all of the names for each control method */
360	sc->_sta.name = "_STA";
361	sc->gbll.name = "GBLL";
362	sc->gbls.name = "GBLS";
363	sc->ghks.name = "GHKS";
364	sc->gmou.name = "GMOU";
365	sc->gsif.name = "GSIF";
366	sc->gvol.name = "GVOL";
367	sc->ghks.name = "GHKS";
368	sc->gsif.name = "GSIF";
369	sc->rbll.name = "RBLL";
370	sc->rvol.name = "RVOL";
371
372	/* Determine what hardware functionality is available */
373	acpi_fujitsu_check_hardware(sc);
374
375	/* Build the sysctl tree */
376	acpi_sc = acpi_device_get_parent_softc(sc->dev);
377	sysctl_ctx_init(&sc->sysctl_ctx);
378	sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
379	    SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
380	    OID_AUTO, "fujitsu", CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "");
381
382	for (i = 0; sysctl_table[i].name != NULL; i++) {
383		switch(sysctl_table[i].method) {
384			case METHOD_GMOU:
385				exists = sc->gmou.exists;
386				break;
387			case METHOD_GBLL:
388				exists = sc->gbll.exists;
389				break;
390			case METHOD_GBLS:
391				exists = sc->gbls.exists;
392				break;
393			case METHOD_GVOL:
394			case METHOD_MUTE:
395				exists = sc->gvol.exists;
396				break;
397			case METHOD_RVOL:
398				exists = sc->rvol.exists;
399				break;
400			case METHOD_RBLL:
401				exists = sc->rbll.exists;
402				break;
403			default:
404				/* Allow by default */
405				exists = 1;
406				break;
407		}
408		if(!exists)
409			continue;
410		SYSCTL_ADD_PROC(&sc->sysctl_ctx,
411		    SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
412		    sysctl_table[i].name,
413		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY |
414		    CTLFLAG_MPSAFE, sc, i, acpi_fujitsu_sysctl, "I",
415		    sysctl_table[i].description);
416	}
417
418	/* Set the hotkeys to their initial states */
419	if (!acpi_fujitsu_update(sc)) {
420		device_printf(sc->dev, "Couldn't init hotkey states\n");
421		return (FALSE);
422	}
423
424	return (TRUE);
425}
426
427static int
428acpi_fujitsu_sysctl(SYSCTL_HANDLER_ARGS)
429{
430	struct acpi_fujitsu_softc	*sc;
431	int				method;
432	int				arg;
433	int				function_num, error = 0;
434
435	sc = (struct acpi_fujitsu_softc *)oidp->oid_arg1;
436	function_num = oidp->oid_arg2;
437	method = sysctl_table[function_num].method;
438
439	ACPI_SERIAL_BEGIN(fujitsu);
440
441	/* Get the current value */
442	arg = acpi_fujitsu_method_get(sc, method);
443	error = sysctl_handle_int(oidp, &arg, 0, req);
444
445	if (error != 0 || req->newptr == NULL)
446		goto out;
447
448	/* Update the value */
449	error = acpi_fujitsu_method_set(sc, method, arg);
450
451out:
452	ACPI_SERIAL_END(fujitsu);
453	return (error);
454}
455
456static int
457acpi_fujitsu_method_get(struct acpi_fujitsu_softc *sc, int method)
458{
459	struct int_nameval	nv;
460	ACPI_STATUS		status;
461
462	ACPI_SERIAL_ASSERT(fujitsu);
463
464	switch (method) {
465		case METHOD_GBLL:
466			nv = sc->gbll;
467			break;
468		case METHOD_GBLS:
469			nv = sc->gbls;
470			break;
471		case METHOD_GMOU:
472			nv = sc->gmou;
473			break;
474		case METHOD_GVOL:
475		case METHOD_MUTE:
476			nv = sc->gvol;
477			break;
478		case METHOD_GHKS:
479			nv = sc->ghks;
480			break;
481		case METHOD_GSIF:
482			nv = sc->gsif;
483			break;
484		case METHOD_RBLL:
485			nv = sc->rbll;
486			break;
487		case METHOD_RVOL:
488			nv = sc->rvol;
489			break;
490		default:
491			return (FALSE);
492	}
493
494	if(!nv.exists)
495		return (EINVAL);
496
497	status = acpi_GetInteger(sc->handle, nv.name, &nv.value);
498	if (ACPI_FAILURE(status)) {
499		device_printf(sc->dev, "Couldn't query method (%s)\n", nv.name);
500		return (FALSE);
501	}
502
503	if (method == METHOD_MUTE) {
504		sc->bIsMuted = (uint8_t)((nv.value & VOLUME_MUTE_BIT) != 0);
505		return (sc->bIsMuted);
506	}
507
508	nv.value &= GENERAL_SETTING_BITS;
509	return (nv.value);
510}
511
512static int
513acpi_fujitsu_method_set(struct acpi_fujitsu_softc *sc, int method, int value)
514{
515	struct int_nameval	nv;
516	ACPI_STATUS		status;
517	char			*control;
518	int			changed;
519
520	ACPI_SERIAL_ASSERT(fujitsu);
521
522	switch (method) {
523		case METHOD_GBLL:
524			changed = BRIGHT_CHANGED;
525			control = "SBLL";
526			nv = sc->gbll;
527			break;
528		case METHOD_GBLS:
529			changed = BRIGHT_CHANGED;
530			control = "SBL2";
531			nv = sc->gbls;
532			break;
533		case METHOD_GMOU:
534			changed = MOUSE_CHANGED;
535			control = "SMOU";
536			nv = sc->gmou;
537			break;
538		case METHOD_GVOL:
539		case METHOD_MUTE:
540			changed = VOLUME_CHANGED;
541			control = "SVOL";
542			nv = sc->gvol;
543			break;
544		default:
545			return (EINVAL);
546	}
547
548	if(!nv.exists)
549		return (EINVAL);
550
551	if (method == METHOD_MUTE) {
552		if (value == 1)
553			value = nv.value | VOLUME_MUTE_BIT;
554		else if (value == 0)
555			value = nv.value & ~VOLUME_MUTE_BIT;
556		else
557			return (EINVAL);
558	}
559
560	status = acpi_SetInteger(sc->handle, control, value);
561	if (ACPI_FAILURE(status)) {
562		device_printf(sc->dev, "Couldn't update %s\n", control);
563		return (FALSE);
564	}
565
566	sc->lastValChanged = changed;
567	return (0);
568}
569
570/*
571 * Query the get methods to determine what functionality is available
572 * from the hardware function hotkeys.
573 */
574static uint8_t
575acpi_fujitsu_check_hardware(struct acpi_fujitsu_softc *sc)
576{
577	int val;
578
579	ACPI_SERIAL_ASSERT(fujitsu);
580	/* save the hotkey bitmask */
581	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
582	sc->gsif.name, &(sc->gsif.value)))) {
583		sc->gsif.exists = 0;
584		device_printf(sc->dev, "Couldn't query bitmask value\n");
585	} else {
586		sc->gsif.exists = 1;
587	}
588
589	/* System Volume Level */
590	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
591	    sc->gvol.name, &val))) {
592		sc->gvol.exists = 0;
593	} else {
594		sc->gvol.exists = 1;
595	}
596
597	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
598		sc->gbls.name, &val))) {
599		sc->gbls.exists = 0;
600	} else {
601		sc->gbls.exists = 1;
602	}
603
604	// don't add if we can use the new method
605	if (sc->gbls.exists || ACPI_FAILURE(acpi_GetInteger(sc->handle,
606	    sc->gbll.name, &val))) {
607		sc->gbll.exists = 0;
608	} else {
609		sc->gbll.exists = 1;
610	}
611
612	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
613	    sc->ghks.name, &val))) {
614		sc->ghks.exists = 0;
615	} else {
616		sc->ghks.exists = 1;
617	}
618
619	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
620	    sc->gmou.name, &val))) {
621		sc->gmou.exists = 0;
622	} else {
623		sc->gmou.exists = 1;
624	}
625
626	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
627	    sc->rbll.name, &val))) {
628		sc->rbll.exists = 0;
629	} else {
630		sc->rbll.exists = 1;
631	}
632
633	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
634	    sc->rvol.name, &val))) {
635		sc->rvol.exists = 0;
636	} else {
637		sc->rvol.exists = 1;
638	}
639
640	return (TRUE);
641}
642
643/*
644 * Query each of the ACPI control methods that contain information we're
645 * interested in. We check the return values from the control methods and
646 * adjust any state variables if they should be adjusted.
647 */
648static uint8_t
649acpi_fujitsu_update(struct acpi_fujitsu_softc *sc)
650{
651	int changed;
652	struct acpi_softc *acpi_sc;
653
654	acpi_sc = acpi_device_get_parent_softc(sc->dev);
655
656	ACPI_SERIAL_ASSERT(fujitsu);
657	if(sc->gsif.exists)
658		changed = sc->gsif.value & acpi_fujitsu_method_get(sc,METHOD_GHKS);
659	else
660		changed = 0;
661
662	/* System Volume Level */
663	if(sc->gvol.exists) {
664		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
665		sc->gvol.name, &(sc->gvol.value)))) {
666			device_printf(sc->dev, "Couldn't query volume level\n");
667			return (FALSE);
668		}
669
670		if (changed & VOLUME_CHANGED) {
671			sc->bIsMuted =
672			(uint8_t)((sc->gvol.value & VOLUME_MUTE_BIT) != 0);
673
674			/* Clear the modification bit */
675			sc->gvol.value &= VOLUME_SETTING_BITS;
676
677			if (sc->bIsMuted) {
678				acpi_UserNotify("FUJITSU", sc->handle, FN_MUTE);
679				ACPI_VPRINT(sc->dev, acpi_sc, "Volume is now mute\n");
680			} else
681				ACPI_VPRINT(sc->dev, acpi_sc, "Volume is now %d\n",
682				sc->gvol.value);
683
684			acpi_UserNotify("FUJITSU", sc->handle, FN_VOLUME);
685		}
686	}
687
688	/* Internal mouse pointer (eraserhead) */
689	if(sc->gmou.exists) {
690		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
691		sc->gmou.name, &(sc->gmou.value)))) {
692			device_printf(sc->dev, "Couldn't query pointer state\n");
693			return (FALSE);
694		}
695
696		if (changed & MOUSE_CHANGED) {
697			sc->bIntPtrEnabled = (uint8_t)(sc->gmou.value & 0x1);
698
699			/* Clear the modification bit */
700			sc->gmou.value &= MOUSE_SETTING_BITS;
701
702			/* Set the value in case it is not hardware controlled */
703                        acpi_fujitsu_method_set(sc, METHOD_GMOU, sc->gmou.value);
704
705			acpi_UserNotify("FUJITSU", sc->handle, FN_POINTER_ENABLE);
706
707			ACPI_VPRINT(sc->dev, acpi_sc, "Internal pointer is now %s\n",
708			(sc->bIntPtrEnabled) ? "enabled" : "disabled");
709		}
710	}
711
712	/* Screen Brightness Level P8XXX */
713	if(sc->gbls.exists) {
714		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
715                sc->gbls.name, &(sc->gbls.value)))) {
716                        device_printf(sc->dev, "Couldn't query P8XXX brightness level\n");
717                        return (FALSE);
718                }
719		if (changed & BRIGHT_CHANGED) {
720			/* No state to record here. */
721
722			/* Clear the modification bit */
723			sc->gbls.value &= BRIGHTNESS_SETTING_BITS;
724
725			/* Set the value in case it is not hardware controlled */
726			acpi_fujitsu_method_set(sc, METHOD_GBLS, sc->gbls.value);
727
728			acpi_UserNotify("FUJITSU", sc->handle, FN_LCD_BRIGHTNESS);
729
730			ACPI_VPRINT(sc->dev, acpi_sc, "P8XXX Brightness level is now %d\n",
731			sc->gbls.value);
732                }
733	}
734
735	/* Screen Brightness Level */
736	if(sc->gbll.exists) {
737		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
738		sc->gbll.name, &(sc->gbll.value)))) {
739			device_printf(sc->dev, "Couldn't query brightness level\n");
740			return (FALSE);
741		}
742
743		if (changed & BRIGHT_CHANGED) {
744			/* No state to record here. */
745
746			/* Clear the modification bit */
747			sc->gbll.value &= BRIGHTNESS_SETTING_BITS;
748
749			acpi_UserNotify("FUJITSU", sc->handle, FN_LCD_BRIGHTNESS);
750
751			ACPI_VPRINT(sc->dev, acpi_sc, "Brightness level is now %d\n",
752			sc->gbll.value);
753		}
754	}
755
756	sc->lastValChanged = changed;
757	return (TRUE);
758}
759