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__FBSDID("$FreeBSD$");
32
33#include "opt_acpi.h"
34#include <sys/param.h>
35#include <sys/kernel.h>
36#include <sys/bus.h>
37#include <sys/module.h>
38#include <sys/sysctl.h>
39
40#include <contrib/dev/acpica/include/acpi.h>
41#include <contrib/dev/acpica/include/accommon.h>
42
43#include <dev/acpica/acpivar.h>
44
45/* Hooks for the ACPI CA debugging infrastructure */
46#define _COMPONENT	ACPI_OEM
47ACPI_MODULE_NAME("Fujitsu")
48
49/* Change and update bits for the hotkeys */
50#define VOLUME_MUTE_BIT		0x40000000
51
52/* Values of settings */
53#define GENERAL_SETTING_BITS	0x0fffffff
54#define MOUSE_SETTING_BITS	GENERAL_SETTING_BITS
55#define VOLUME_SETTING_BITS	GENERAL_SETTING_BITS
56#define BRIGHTNESS_SETTING_BITS	GENERAL_SETTING_BITS
57
58/* Possible state changes */
59/*
60 * These are NOT arbitrary values.  They are the
61 * GHKS return value from the device that says which
62 * hotkey is active.  They should match up with a bit
63 * from the GSIF bitmask.
64 */
65#define BRIGHT_CHANGED	0x01
66#define VOLUME_CHANGED	0x04
67#define MOUSE_CHANGED	0x08
68/*
69 * It is unknown which hotkey this bit is supposed to indicate, but
70 * according to values from GSIF this is a valid flag.
71 */
72#define UNKNOWN_CHANGED	0x10
73
74/* sysctl values */
75#define FN_MUTE			0
76#define FN_POINTER_ENABLE	1
77#define FN_LCD_BRIGHTNESS	2
78#define FN_VOLUME		3
79
80/* Methods */
81#define METHOD_GBLL	1
82#define METHOD_GMOU	2
83#define METHOD_GVOL	3
84#define METHOD_MUTE	4
85#define METHOD_RBLL	5
86#define METHOD_RVOL	6
87#define METHOD_GSIF	7
88#define METHOD_GHKS	8
89#define METHOD_GBLS	9
90
91/* Notify event */
92#define	ACPI_NOTIFY_STATUS_CHANGED	0x80
93
94/*
95 * Holds a control method name and its associated integer value.
96 * Only used for no-argument control methods which return a value.
97 */
98struct int_nameval {
99	char	*name;
100	int	value;
101	int	exists;
102};
103
104/*
105 * Driver extension for the FUJITSU ACPI driver.
106 */
107struct acpi_fujitsu_softc {
108	device_t	dev;
109	ACPI_HANDLE	handle;
110
111	/* Control methods */
112	struct int_nameval	_sta,	/* unused */
113				gbll,	/* brightness */
114				gbls,	/* get brightness state */
115				ghks,	/* hotkey selector */
116				gbuf,	/* unused (buffer?) */
117				gmou,	/* mouse */
118				gsif,	/* function key bitmask */
119				gvol,	/* volume */
120				rbll,	/* number of brightness levels (radix) */
121				rvol;	/* number of volume levels (radix) */
122
123	/* State variables */
124	uint8_t		bIsMuted;	/* Is volume muted */
125	uint8_t		bIntPtrEnabled;	/* Is internal ptr enabled */
126	uint32_t	lastValChanged;	/* The last value updated */
127
128	/* sysctl tree */
129	struct sysctl_ctx_list	sysctl_ctx;
130	struct sysctl_oid	*sysctl_tree;
131};
132
133/* Driver entry point forward declarations. */
134static int	acpi_fujitsu_probe(device_t dev);
135static int	acpi_fujitsu_attach(device_t dev);
136static int	acpi_fujitsu_detach(device_t dev);
137static int	acpi_fujitsu_suspend(device_t dev);
138static int	acpi_fujitsu_resume(device_t dev);
139
140static void	acpi_fujitsu_notify_status_changed(void *arg);
141static void	acpi_fujitsu_notify_handler(ACPI_HANDLE h, uint32_t notify, void *context);
142static int	acpi_fujitsu_sysctl(SYSCTL_HANDLER_ARGS);
143
144/* Utility function declarations */
145static uint8_t acpi_fujitsu_update(struct acpi_fujitsu_softc *sc);
146static uint8_t acpi_fujitsu_init(struct acpi_fujitsu_softc *sc);
147static uint8_t acpi_fujitsu_check_hardware(struct acpi_fujitsu_softc *sc);
148
149/* Driver/Module specific structure definitions. */
150static device_method_t acpi_fujitsu_methods[] = {
151	/* Device interface */
152	DEVMETHOD(device_probe,		acpi_fujitsu_probe),
153	DEVMETHOD(device_attach,	acpi_fujitsu_attach),
154	DEVMETHOD(device_detach,	acpi_fujitsu_detach),
155	DEVMETHOD(device_suspend,	acpi_fujitsu_suspend),
156	DEVMETHOD(device_resume,	acpi_fujitsu_resume),
157
158	DEVMETHOD_END
159};
160
161static driver_t acpi_fujitsu_driver = {
162	"acpi_fujitsu",
163	acpi_fujitsu_methods,
164	sizeof(struct acpi_fujitsu_softc),
165};
166
167/* Prototype for function hotkeys for getting/setting a value. */
168static int acpi_fujitsu_method_get(struct acpi_fujitsu_softc *sc, int method);
169static int acpi_fujitsu_method_set(struct acpi_fujitsu_softc *sc, int method, int value);
170
171static char *fujitsu_ids[] = { "FUJ02B1", NULL };
172
173ACPI_SERIAL_DECL(fujitsu, "Fujitsu Function Hotkeys");
174
175/* sysctl names and function calls */
176static struct {
177	char		*name;
178	int		method;
179	char		*description;
180} sysctl_table[] = {
181	{
182		.name		= "mute",
183		.method		= METHOD_MUTE,
184		.description	= "Speakers/headphones mute status"
185	},
186	{
187		.name		= "pointer_enable",
188		.method		= METHOD_GMOU,
189		.description	= "Enable and disable the internal pointer"
190	},
191	{
192		.name		= "lcd_brightness",
193		.method		= METHOD_GBLL,
194		.description	= "Brightness level of the LCD panel"
195	},
196	{
197		.name		= "lcd_brightness",
198		.method		= METHOD_GBLS,
199		.description	= "Brightness level of the LCD panel"
200	},
201	{
202		.name		= "volume",
203		.method		= METHOD_GVOL,
204		.description	= "Speakers/headphones volume level"
205	},
206	{
207		.name		= "volume_radix",
208		.method		= METHOD_RVOL,
209		.description	= "Number of volume level steps"
210	},
211	{
212		.name		= "lcd_brightness_radix",
213		.method		= METHOD_RBLL,
214		.description	= "Number of brightness level steps"
215	},
216
217	{ NULL, 0, NULL }
218};
219
220static devclass_t acpi_fujitsu_devclass;
221DRIVER_MODULE(acpi_fujitsu, acpi, acpi_fujitsu_driver,
222    acpi_fujitsu_devclass, 0, 0);
223MODULE_DEPEND(acpi_fujitsu, acpi, 1, 1, 1);
224MODULE_VERSION(acpi_fujitsu, 1);
225
226static int
227acpi_fujitsu_probe(device_t dev)
228{
229	char *name;
230	char buffer[64];
231
232	name = ACPI_ID_PROBE(device_get_parent(dev), dev, fujitsu_ids);
233	if (acpi_disabled("fujitsu") || name == NULL ||
234	    device_get_unit(dev) > 1)
235		return (ENXIO);
236
237	sprintf(buffer, "Fujitsu Function Hotkeys %s", name);
238	device_set_desc_copy(dev, buffer);
239
240	return (0);
241}
242
243static int
244acpi_fujitsu_attach(device_t dev)
245{
246	struct acpi_fujitsu_softc *sc;
247
248	ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
249
250	sc = device_get_softc(dev);
251	sc->dev = dev;
252	sc->handle = acpi_get_handle(dev);
253
254	/* Install notification handler */
255	AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
256	    acpi_fujitsu_notify_handler, sc);
257
258	/* Snag our default values for the hotkeys / hotkey states. */
259	ACPI_SERIAL_BEGIN(fujitsu);
260	if (!acpi_fujitsu_init(sc))
261		device_printf(dev, "Couldn't initialize hotkey states!\n");
262	ACPI_SERIAL_END(fujitsu);
263
264	return (0);
265}
266
267/*
268 * Called when the system is being suspended, simply
269 * set an event to be signalled when we wake up.
270 */
271static int
272acpi_fujitsu_suspend(device_t dev)
273{
274
275	return (0);
276}
277
278static int
279acpi_fujitsu_resume(device_t dev)
280{
281	struct acpi_fujitsu_softc   *sc;
282	ACPI_STATUS		    status;
283
284	sc = device_get_softc(dev);
285
286	/*
287	 * The pointer needs to be re-enabled for
288	 * some revisions of the P series (2120).
289	 */
290	ACPI_SERIAL_BEGIN(fujitsu);
291
292	if(sc->gmou.exists) {
293		status = acpi_SetInteger(sc->handle, "SMOU", 1);
294		if (ACPI_FAILURE(status))
295			device_printf(sc->dev, "Couldn't enable pointer\n");
296	}
297	ACPI_SERIAL_END(fujitsu);
298
299	return (0);
300}
301
302static void
303acpi_fujitsu_notify_status_changed(void *arg)
304{
305	struct acpi_fujitsu_softc *sc;
306
307	ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
308
309	sc = (struct acpi_fujitsu_softc *)arg;
310
311	/*
312	 * Since our notify function is called, we know something has
313	 * happened.  So the only reason for acpi_fujitsu_update to fail
314	 * is if we can't find what has changed or an error occurs.
315	 */
316	ACPI_SERIAL_BEGIN(fujitsu);
317	acpi_fujitsu_update(sc);
318	ACPI_SERIAL_END(fujitsu);
319}
320
321
322static void
323acpi_fujitsu_notify_handler(ACPI_HANDLE h, uint32_t notify, void *context)
324{
325	struct acpi_fujitsu_softc *sc;
326
327	ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
328
329	sc = (struct acpi_fujitsu_softc *)context;
330
331	switch (notify) {
332	case ACPI_NOTIFY_STATUS_CHANGED:
333		AcpiOsExecute(OSL_NOTIFY_HANDLER,
334		    acpi_fujitsu_notify_status_changed, sc);
335		break;
336	default:
337		/* unknown notification value */
338		break;
339	}
340}
341
342static int
343acpi_fujitsu_detach(device_t dev)
344{
345	struct acpi_fujitsu_softc *sc;
346
347	sc = device_get_softc(dev);
348	AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
349	   acpi_fujitsu_notify_handler);
350
351	sysctl_ctx_free(&sc->sysctl_ctx);
352
353	return (0);
354}
355
356/*
357 * Initializes the names of the ACPI control methods and grabs
358 * the current state of all of the ACPI hotkeys into the softc.
359 */
360static uint8_t
361acpi_fujitsu_init(struct acpi_fujitsu_softc *sc)
362{
363	struct acpi_softc *acpi_sc;
364	int i, exists;
365
366	ACPI_SERIAL_ASSERT(fujitsu);
367
368	/* Setup all of the names for each control method */
369	sc->_sta.name = "_STA";
370	sc->gbll.name = "GBLL";
371	sc->gbls.name = "GBLS";
372	sc->ghks.name = "GHKS";
373	sc->gmou.name = "GMOU";
374	sc->gsif.name = "GSIF";
375	sc->gvol.name = "GVOL";
376	sc->ghks.name = "GHKS";
377	sc->gsif.name = "GSIF";
378	sc->rbll.name = "RBLL";
379	sc->rvol.name = "RVOL";
380
381	/* Determine what hardware functionality is available */
382	acpi_fujitsu_check_hardware(sc);
383
384	/* Build the sysctl tree */
385	acpi_sc = acpi_device_get_parent_softc(sc->dev);
386	sysctl_ctx_init(&sc->sysctl_ctx);
387	sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
388	    SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
389	    OID_AUTO, "fujitsu", CTLFLAG_RD, 0, "");
390
391	for (i = 0; sysctl_table[i].name != NULL; i++) {
392		switch(sysctl_table[i].method) {
393			case METHOD_GMOU:
394				exists = sc->gmou.exists;
395				break;
396			case METHOD_GBLL:
397				exists = sc->gbll.exists;
398				break;
399			case METHOD_GBLS:
400				exists = sc->gbls.exists;
401				break;
402			case METHOD_GVOL:
403			case METHOD_MUTE:
404				exists = sc->gvol.exists;
405				break;
406			case METHOD_RVOL:
407				exists = sc->rvol.exists;
408				break;
409			case METHOD_RBLL:
410				exists = sc->rbll.exists;
411				break;
412			default:
413				/* Allow by default */
414				exists = 1;
415				break;
416		}
417		if(!exists)
418			continue;
419		SYSCTL_ADD_PROC(&sc->sysctl_ctx,
420		    SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
421		    sysctl_table[i].name,
422		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY,
423		    sc, i, acpi_fujitsu_sysctl, "I",
424		    sysctl_table[i].description);
425	}
426
427
428	/* Set the hotkeys to their initial states */
429	if (!acpi_fujitsu_update(sc)) {
430		device_printf(sc->dev, "Couldn't init hotkey states\n");
431		return (FALSE);
432	}
433
434	return (TRUE);
435}
436
437static int
438acpi_fujitsu_sysctl(SYSCTL_HANDLER_ARGS)
439{
440	struct acpi_fujitsu_softc	*sc;
441	int				method;
442	int				arg;
443	int				function_num, error = 0;
444
445	sc = (struct acpi_fujitsu_softc *)oidp->oid_arg1;
446	function_num = oidp->oid_arg2;
447	method = sysctl_table[function_num].method;
448
449	ACPI_SERIAL_BEGIN(fujitsu);
450
451	/* Get the current value */
452	arg = acpi_fujitsu_method_get(sc, method);
453	error = sysctl_handle_int(oidp, &arg, 0, req);
454
455	if (error != 0 || req->newptr == NULL)
456		goto out;
457
458	/* Update the value */
459	error = acpi_fujitsu_method_set(sc, method, arg);
460
461out:
462	ACPI_SERIAL_END(fujitsu);
463	return (error);
464}
465
466static int
467acpi_fujitsu_method_get(struct acpi_fujitsu_softc *sc, int method)
468{
469	struct int_nameval	nv;
470	ACPI_STATUS		status;
471
472	ACPI_SERIAL_ASSERT(fujitsu);
473
474	switch (method) {
475		case METHOD_GBLL:
476			nv = sc->gbll;
477			break;
478		case METHOD_GBLS:
479			nv = sc->gbls;
480			break;
481		case METHOD_GMOU:
482			nv = sc->gmou;
483			break;
484		case METHOD_GVOL:
485		case METHOD_MUTE:
486			nv = sc->gvol;
487			break;
488		case METHOD_GHKS:
489			nv = sc->ghks;
490			break;
491		case METHOD_GSIF:
492			nv = sc->gsif;
493			break;
494		case METHOD_RBLL:
495			nv = sc->rbll;
496			break;
497		case METHOD_RVOL:
498			nv = sc->rvol;
499			break;
500		default:
501			return (FALSE);
502	}
503
504	if(!nv.exists)
505		return (EINVAL);
506
507	status = acpi_GetInteger(sc->handle, nv.name, &nv.value);
508	if (ACPI_FAILURE(status)) {
509		device_printf(sc->dev, "Couldn't query method (%s)\n", nv.name);
510		return (FALSE);
511	}
512
513	if (method == METHOD_MUTE) {
514		sc->bIsMuted = (uint8_t)((nv.value & VOLUME_MUTE_BIT) != 0);
515		return (sc->bIsMuted);
516	}
517
518	nv.value &= GENERAL_SETTING_BITS;
519	return (nv.value);
520}
521
522static int
523acpi_fujitsu_method_set(struct acpi_fujitsu_softc *sc, int method, int value)
524{
525	struct int_nameval	nv;
526	ACPI_STATUS		status;
527	char			*control;
528	int			changed;
529
530	ACPI_SERIAL_ASSERT(fujitsu);
531
532	switch (method) {
533		case METHOD_GBLL:
534			changed = BRIGHT_CHANGED;
535			control = "SBLL";
536			nv = sc->gbll;
537			break;
538		case METHOD_GBLS:
539			changed = BRIGHT_CHANGED;
540			control = "SBL2";
541			nv = sc->gbls;
542			break;
543		case METHOD_GMOU:
544			changed = MOUSE_CHANGED;
545			control = "SMOU";
546			nv = sc->gmou;
547			break;
548		case METHOD_GVOL:
549		case METHOD_MUTE:
550			changed = VOLUME_CHANGED;
551			control = "SVOL";
552			nv = sc->gvol;
553			break;
554		default:
555			return (EINVAL);
556	}
557
558	if(!nv.exists)
559		return (EINVAL);
560
561	if (method == METHOD_MUTE) {
562		if (value == 1)
563			value = nv.value | VOLUME_MUTE_BIT;
564		else if (value == 0)
565			value = nv.value & ~VOLUME_MUTE_BIT;
566		else
567			return (EINVAL);
568	}
569
570	status = acpi_SetInteger(sc->handle, control, value);
571	if (ACPI_FAILURE(status)) {
572		device_printf(sc->dev, "Couldn't update %s\n", control);
573		return (FALSE);
574	}
575
576	sc->lastValChanged = changed;
577	return (0);
578}
579
580/*
581 * Query the get methods to determine what functionality is available
582 * from the hardware function hotkeys.
583 */
584static uint8_t
585acpi_fujitsu_check_hardware(struct acpi_fujitsu_softc *sc)
586{
587	int val;
588
589	ACPI_SERIAL_ASSERT(fujitsu);
590	/* save the hotkey bitmask */
591	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
592	sc->gsif.name, &(sc->gsif.value)))) {
593		sc->gsif.exists = 0;
594		device_printf(sc->dev, "Couldn't query bitmask value\n");
595	} else {
596		sc->gsif.exists = 1;
597	}
598
599	/* System Volume Level */
600	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
601	    sc->gvol.name, &val))) {
602		sc->gvol.exists = 0;
603	} else {
604		sc->gvol.exists = 1;
605	}
606
607	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
608		sc->gbls.name, &val))) {
609		sc->gbls.exists = 0;
610	} else {
611		sc->gbls.exists = 1;
612	}
613
614	// don't add if we can use the new method
615	if (sc->gbls.exists || ACPI_FAILURE(acpi_GetInteger(sc->handle,
616	    sc->gbll.name, &val))) {
617		sc->gbll.exists = 0;
618	} else {
619		sc->gbll.exists = 1;
620	}
621
622	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
623	    sc->ghks.name, &val))) {
624		sc->ghks.exists = 0;
625	} else {
626		sc->ghks.exists = 1;
627	}
628
629	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
630	    sc->gmou.name, &val))) {
631		sc->gmou.exists = 0;
632	} else {
633		sc->gmou.exists = 1;
634	}
635
636	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
637	    sc->rbll.name, &val))) {
638		sc->rbll.exists = 0;
639	} else {
640		sc->rbll.exists = 1;
641	}
642
643	if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
644	    sc->rvol.name, &val))) {
645		sc->rvol.exists = 0;
646	} else {
647		sc->rvol.exists = 1;
648	}
649
650	return (TRUE);
651}
652
653/*
654 * Query each of the ACPI control methods that contain information we're
655 * interested in. We check the return values from the control methods and
656 * adjust any state variables if they should be adjusted.
657 */
658static uint8_t
659acpi_fujitsu_update(struct acpi_fujitsu_softc *sc)
660{
661	int changed;
662	struct acpi_softc *acpi_sc;
663
664	acpi_sc = acpi_device_get_parent_softc(sc->dev);
665
666	ACPI_SERIAL_ASSERT(fujitsu);
667	if(sc->gsif.exists)
668		changed = sc->gsif.value & acpi_fujitsu_method_get(sc,METHOD_GHKS);
669	else
670		changed = 0;
671
672	/* System Volume Level */
673	if(sc->gvol.exists) {
674		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
675		sc->gvol.name, &(sc->gvol.value)))) {
676			device_printf(sc->dev, "Couldn't query volume level\n");
677			return (FALSE);
678		}
679
680		if (changed & VOLUME_CHANGED) {
681			sc->bIsMuted =
682			(uint8_t)((sc->gvol.value & VOLUME_MUTE_BIT) != 0);
683
684			/* Clear the modification bit */
685			sc->gvol.value &= VOLUME_SETTING_BITS;
686
687			if (sc->bIsMuted) {
688				acpi_UserNotify("FUJITSU", sc->handle, FN_MUTE);
689				ACPI_VPRINT(sc->dev, acpi_sc, "Volume is now mute\n");
690			} else
691				ACPI_VPRINT(sc->dev, acpi_sc, "Volume is now %d\n",
692				sc->gvol.value);
693
694			acpi_UserNotify("FUJITSU", sc->handle, FN_VOLUME);
695		}
696	}
697
698	/* Internal mouse pointer (eraserhead) */
699	if(sc->gmou.exists) {
700		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
701		sc->gmou.name, &(sc->gmou.value)))) {
702			device_printf(sc->dev, "Couldn't query pointer state\n");
703			return (FALSE);
704		}
705
706		if (changed & MOUSE_CHANGED) {
707			sc->bIntPtrEnabled = (uint8_t)(sc->gmou.value & 0x1);
708
709			/* Clear the modification bit */
710			sc->gmou.value &= MOUSE_SETTING_BITS;
711
712			/* Set the value in case it is not hardware controlled */
713                        acpi_fujitsu_method_set(sc, METHOD_GMOU, sc->gmou.value);
714
715			acpi_UserNotify("FUJITSU", sc->handle, FN_POINTER_ENABLE);
716
717			ACPI_VPRINT(sc->dev, acpi_sc, "Internal pointer is now %s\n",
718			(sc->bIntPtrEnabled) ? "enabled" : "disabled");
719		}
720	}
721
722	/* Screen Brightness Level P8XXX */
723	if(sc->gbls.exists) {
724		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
725                sc->gbls.name, &(sc->gbls.value)))) {
726                        device_printf(sc->dev, "Couldn't query P8XXX brightness level\n");
727                        return (FALSE);
728                }
729		if (changed & BRIGHT_CHANGED) {
730			/* No state to record here. */
731
732			/* Clear the modification bit */
733			sc->gbls.value &= BRIGHTNESS_SETTING_BITS;
734
735			/* Set the value in case it is not hardware controlled */
736			acpi_fujitsu_method_set(sc, METHOD_GBLS, sc->gbls.value);
737
738			acpi_UserNotify("FUJITSU", sc->handle, FN_LCD_BRIGHTNESS);
739
740			ACPI_VPRINT(sc->dev, acpi_sc, "P8XXX Brightness level is now %d\n",
741			sc->gbls.value);
742                }
743	}
744
745	/* Screen Brightness Level */
746	if(sc->gbll.exists) {
747		if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
748		sc->gbll.name, &(sc->gbll.value)))) {
749			device_printf(sc->dev, "Couldn't query brightness level\n");
750			return (FALSE);
751		}
752
753		if (changed & BRIGHT_CHANGED) {
754			/* No state to record here. */
755
756			/* Clear the modification bit */
757			sc->gbll.value &= BRIGHTNESS_SETTING_BITS;
758
759			acpi_UserNotify("FUJITSU", sc->handle, FN_LCD_BRIGHTNESS);
760
761			ACPI_VPRINT(sc->dev, acpi_sc, "Brightness level is now %d\n",
762			sc->gbll.value);
763		}
764	}
765
766	sc->lastValChanged = changed;
767	return (TRUE);
768}
769