Module Name: src Committed By: gsutre Date: Fri Nov 5 10:28:22 UTC 2010
Modified Files: src/distrib/sets/lists/man: mi src/share/man/man4: Makefile src/sys/arch/amd64/conf: GENERIC src/sys/arch/i386/conf: ALL GENERIC src/sys/dev/acpi: files.acpi Added Files: src/share/man/man4: fujitsu.4 src/sys/dev/acpi: fujitsu_acpi.c Log Message: Merge ACPI Fujitsu Driver. Provides support for hotkeys and other built-in components through vendor-specific ACPI devices. ok jruoho@ To generate a diff of this commit: cvs rdiff -u -r1.1246 -r1.1247 src/distrib/sets/lists/man/mi cvs rdiff -u -r1.530 -r1.531 src/share/man/man4/Makefile cvs rdiff -u -r0 -r1.1 src/share/man/man4/fujitsu.4 cvs rdiff -u -r1.288 -r1.289 src/sys/arch/amd64/conf/GENERIC cvs rdiff -u -r1.273 -r1.274 src/sys/arch/i386/conf/ALL cvs rdiff -u -r1.996 -r1.997 src/sys/arch/i386/conf/GENERIC cvs rdiff -u -r1.81 -r1.82 src/sys/dev/acpi/files.acpi cvs rdiff -u -r0 -r1.1 src/sys/dev/acpi/fujitsu_acpi.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/distrib/sets/lists/man/mi diff -u src/distrib/sets/lists/man/mi:1.1246 src/distrib/sets/lists/man/mi:1.1247 --- src/distrib/sets/lists/man/mi:1.1246 Wed Nov 3 18:57:33 2010 +++ src/distrib/sets/lists/man/mi Fri Nov 5 10:28:22 2010 @@ -1,4 +1,4 @@ -# $NetBSD: mi,v 1.1246 2010/11/03 18:57:33 christos Exp $ +# $NetBSD: mi,v 1.1247 2010/11/05 10:28:22 gsutre Exp $ # # Note: don't delete entries from here - mark them as "obsolete" instead. # @@ -950,6 +950,9 @@ ./usr/share/man/cat4/fss.0 man-sys-catman .cat ./usr/share/man/cat4/fssbs.0 man-obsolete obsolete ./usr/share/man/cat4/fta.0 man-sys-catman .cat +./usr/share/man/cat4/fujbp.0 man-sys-catman .cat +./usr/share/man/cat4/fujhk.0 man-sys-catman .cat +./usr/share/man/cat4/fujitsu.0 man-sys-catman .cat ./usr/share/man/cat4/fwhrng.0 man-obsolete obsolete ./usr/share/man/cat4/fwip.0 man-sys-catman .cat ./usr/share/man/cat4/fwiso.0 man-obsolete obsolete @@ -3642,6 +3645,9 @@ ./usr/share/man/html4/fss.html man-sys-htmlman html ./usr/share/man/html4/fssbs.html man-obsolete obsolete ./usr/share/man/html4/fta.html man-sys-htmlman html +./usr/share/man/html4/fujbp.html man-sys-htmlman html +./usr/share/man/html4/fujhk.html man-sys-htmlman html +./usr/share/man/html4/fujitsu.html man-sys-htmlman html ./usr/share/man/html4/fwhrng.html man-obsolete obsolete ./usr/share/man/html4/fwip.html man-sys-htmlman html ./usr/share/man/html4/fwohci.html man-sys-htmlman html @@ -6112,6 +6118,9 @@ ./usr/share/man/man4/fss.4 man-sys-man .man ./usr/share/man/man4/fssbs.4 man-obsolete obsolete ./usr/share/man/man4/fta.4 man-sys-man .man +./usr/share/man/man4/fujbp.4 man-sys-man .man +./usr/share/man/man4/fujhk.4 man-sys-man .man +./usr/share/man/man4/fujitsu.4 man-sys-man .man ./usr/share/man/man4/fwhrng.4 man-obsolete obsolete ./usr/share/man/man4/fwip.4 man-sys-man .man ./usr/share/man/man4/fwiso.4 man-obsolete obsolete Index: src/share/man/man4/Makefile diff -u src/share/man/man4/Makefile:1.530 src/share/man/man4/Makefile:1.531 --- src/share/man/man4/Makefile:1.530 Wed Nov 3 18:57:57 2010 +++ src/share/man/man4/Makefile Fri Nov 5 10:28:22 2010 @@ -1,4 +1,4 @@ -# $NetBSD: Makefile,v 1.530 2010/11/03 18:57:57 christos Exp $ +# $NetBSD: Makefile,v 1.531 2010/11/05 10:28:22 gsutre Exp $ # @(#)Makefile 8.1 (Berkeley) 6/18/93 MAN= aac.4 ac97.4 acardide.4 aceride.4 acphy.4 \ @@ -24,7 +24,7 @@ dmphy.4 dpt.4 dpti.4 drm.4 drum.4 \ eap.4 ebus.4 edc.4 elmc.4 emuxki.4 en.4 envsys.4 ep.4 esh.4 esis.4 \ esa.4 esiop.4 esm.4 eso.4 etherip.4 exphy.4 \ - fast_ipsec.4 fd.4 finsio.4 fpa.4 fms.4 fss.4 fxp.4 \ + fast_ipsec.4 fd.4 finsio.4 fpa.4 fms.4 fss.4 fujitsu.4 fxp.4 \ gcscaudio.4 gem.4 genfb.4 gentbi.4 geodeide.4 \ glxtphy.4 gpib.4 gpio.4 gpiolock.4 gpiosim.4 gre.4 gphyter.4 gsip.4 \ hdaudio.4 hifn.4 hme.4 hpqlb.4 hptide.4 \ @@ -174,6 +174,7 @@ MLINKS+=dbcool.4 adt7476.4 MLINKS+=fd.4 stderr.4 fd.4 stdin.4 fd.4 stdout.4 MLINKS+=fpa.4 fea.4 fpa.4 fta.4 +MLINKS+=fujitsu.4 fujbp.4 fujitsu.4 fujhk.4 MLINKS+=hdaudio.4 hdafg.4 MLINKS+=hdaudio.4 hdaudiobus.4 MLINKS+=icp.4 icpsp.4 Index: src/sys/arch/amd64/conf/GENERIC diff -u src/sys/arch/amd64/conf/GENERIC:1.288 src/sys/arch/amd64/conf/GENERIC:1.289 --- src/sys/arch/amd64/conf/GENERIC:1.288 Wed Nov 3 20:09:09 2010 +++ src/sys/arch/amd64/conf/GENERIC Fri Nov 5 10:28:21 2010 @@ -1,4 +1,4 @@ -# $NetBSD: GENERIC,v 1.288 2010/11/03 20:09:09 christos Exp $ +# $NetBSD: GENERIC,v 1.289 2010/11/05 10:28:21 gsutre Exp $ # # GENERIC machine description file # @@ -22,7 +22,7 @@ options INCLUDE_CONFIG_FILE # embed config file in kernel binary -#ident "GENERIC-$Revision: 1.288 $" +#ident "GENERIC-$Revision: 1.289 $" maxusers 64 # estimated number of users @@ -294,6 +294,8 @@ attimer* at acpi? # AT Timer #com* at acpi? # Serial communications interface #fdc* at acpi? # Floppy disk controller +fujbp* at acpi? # Fujitsu Brightness & Pointer +fujhk* at acpi? # Fujitsu Hotkeys hpqlb* at acpi? # HP Quick Launch Buttons hpet* at acpi? # High Precision Event Timer joy* at acpi? # Joystick/Game port Index: src/sys/arch/i386/conf/ALL diff -u src/sys/arch/i386/conf/ALL:1.273 src/sys/arch/i386/conf/ALL:1.274 --- src/sys/arch/i386/conf/ALL:1.273 Fri Nov 5 01:34:51 2010 +++ src/sys/arch/i386/conf/ALL Fri Nov 5 10:28:21 2010 @@ -1,4 +1,4 @@ -# $NetBSD: ALL,v 1.273 2010/11/05 01:34:51 rmind Exp $ +# $NetBSD: ALL,v 1.274 2010/11/05 10:28:21 gsutre Exp $ # From NetBSD: GENERIC,v 1.787 2006/10/01 18:37:54 bouyer Exp # # ALL machine description file @@ -17,7 +17,7 @@ options INCLUDE_CONFIG_FILE # embed config file in kernel binary -#ident "ALL-$Revision: 1.273 $" +#ident "ALL-$Revision: 1.274 $" maxusers 64 # estimated number of users @@ -385,6 +385,8 @@ attimer* at acpi? # AT Timer com* at acpi? # Serial communications interface fdc* at acpi? # Floppy disk controller +fujbp* at acpi? # Fujitsu Brightness & Pointer +fujhk* at acpi? # Fujitsu Hotkeys hpqlb* at acpi? # HP Quick Launch Buttons hpet* at acpi? # High Precision Event Timer joy* at acpi? # Joystick/Game port Index: src/sys/arch/i386/conf/GENERIC diff -u src/sys/arch/i386/conf/GENERIC:1.996 src/sys/arch/i386/conf/GENERIC:1.997 --- src/sys/arch/i386/conf/GENERIC:1.996 Wed Nov 3 20:10:00 2010 +++ src/sys/arch/i386/conf/GENERIC Fri Nov 5 10:28:21 2010 @@ -1,4 +1,4 @@ -# $NetBSD: GENERIC,v 1.996 2010/11/03 20:10:00 christos Exp $ +# $NetBSD: GENERIC,v 1.997 2010/11/05 10:28:21 gsutre Exp $ # # GENERIC machine description file # @@ -22,7 +22,7 @@ options INCLUDE_CONFIG_FILE # embed config file in kernel binary -#ident "GENERIC-$Revision: 1.996 $" +#ident "GENERIC-$Revision: 1.997 $" maxusers 64 # estimated number of users @@ -374,6 +374,8 @@ attimer* at acpi? # AT Timer #com* at acpi? # Serial communications interface #fdc* at acpi? # Floppy disk controller +fujbp* at acpi? # Fujitsu Brightness & Pointer +fujhk* at acpi? # Fujitsu Hotkeys hpqlb* at acpi? # HP Quick Launch Buttons hpet* at acpi? # High Precision Event Timer joy* at acpi? # Joystick/Game port Index: src/sys/dev/acpi/files.acpi diff -u src/sys/dev/acpi/files.acpi:1.81 src/sys/dev/acpi/files.acpi:1.82 --- src/sys/dev/acpi/files.acpi:1.81 Tue Oct 12 19:10:50 2010 +++ src/sys/dev/acpi/files.acpi Fri Nov 5 10:28:20 2010 @@ -1,4 +1,4 @@ -# $NetBSD: files.acpi,v 1.81 2010/10/12 19:10:50 gsutre Exp $ +# $NetBSD: files.acpi,v 1.82 2010/11/05 10:28:20 gsutre Exp $ include "dev/acpi/acpica/files.acpica" @@ -182,4 +182,11 @@ attach acpismbus at acpinodebus file dev/acpi/smbus_acpi.c acpismbus +# Fujitsu Brightness, Pointer and Hotkeys +device fujbp +attach fujbp at acpinodebus +device fujhk: sysmon_power +attach fujhk at acpinodebus +file dev/acpi/fujitsu_acpi.c fujbp|fujhk + include "dev/acpi/wmi/files.wmi" Added files: Index: src/share/man/man4/fujitsu.4 diff -u /dev/null src/share/man/man4/fujitsu.4:1.1 --- /dev/null Fri Nov 5 10:28:22 2010 +++ src/share/man/man4/fujitsu.4 Fri Nov 5 10:28:22 2010 @@ -0,0 +1,92 @@ +.\" $NetBSD: fujitsu.4,v 1.1 2010/11/05 10:28:22 gsutre Exp $ +.\" +.\" Copyright (c) 2010 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd November 3, 2010 +.Dt FUJITSU 4 +.Os +.Sh NAME +.Nm fujitsu +.Nd Fujitsu Brightness, Pointer and Hotkeys +.Sh SYNOPSIS +.Cd "fujbp* at acpi?" +.Cd "fujhk* at acpi?" +.Sh DESCRIPTION +Some Fujitsu laptops come with vendor-specific +.Tn ACPI +devices to manage the laptop hotkeys (such as the +.Sq Eco +button), and to control various built-in components (such as the display, +the touchpad and the speakers). +The +.Nm +drivers provide support, through these +.Tn ACPI +devices, for hotkeys, backlight on/off switch, brightness level control, and +pointer on/off switch. +.Pp +The following +.Xr sysctl 8 +read/write variables are provided (when hardware support is available): +.Pp +.Bl -tag -width 28u -compact +.It Va hw.acpi.fujbp0.brightness +Brightness level (integer). +.It Va hw.acpi.fujbp0.pointer +Pointer switch state (boolean). +.It Va hw.acpi.fujhk0.backlight +Backlight switch state (boolean). +.El +.Pp +Please note, however, that future versions of the +.Nm +drivers may remove these +.Xr sysctl 8 +variables without prior notice. +.Sh SEE ALSO +.Xr acpi 4 , +.Xr acpivga 4 , +.Xr sysctl 8 , +.Xr pmf 9 , +.Xr sysmon_pswitch 9 +.Sh HISTORY +The +.Nm +drivers appeared in +.Nx 6.0 . +.Sh AUTHORS +.An Gr\('egoire Sutre +.Aq gsu...@netbsd.org +.Sh CAVEATS +Brightness level and backlight switch state should be controlled via +.Xr wsconsctl 8 +instead of +.Xr sysctl 8 . +.Pp +The +.Xr sysctl 8 +variable +.Va hw.acpi.fujbp0.pointer +should be replaced by a platform-independent userland control. Index: src/sys/dev/acpi/fujitsu_acpi.c diff -u /dev/null src/sys/dev/acpi/fujitsu_acpi.c:1.1 --- /dev/null Fri Nov 5 10:28:22 2010 +++ src/sys/dev/acpi/fujitsu_acpi.c Fri Nov 5 10:28:21 2010 @@ -0,0 +1,1179 @@ +/* XXX REMOVE ME $Id: fujitsu_acpi.c,v 1.1 2010/11/05 10:28:21 gsutre Exp $ */ +/* $NetBSD: fujitsu_acpi.c,v 1.1 2010/11/05 10:28:21 gsutre Exp $ */ + +/*- + * Copyright (c) 2010 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Gregoire Sutre. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * ACPI Fujitsu Driver. + * + * This driver provides support for the ACPI devices FUJ02B1 and FUJ02E3 that + * are commonly found in Fujitsu LifeBooks. The driver does not support all + * features of these devices, in particular volume control is not implemented. + * + * Information regarding the behavior of these devices was obtained from the + * source code of the Linux and FreeBSD drivers, as well as from experiments on + * a Fujitsu LifeBook P7120. + * + * The FUJ02B1 device is used to control the brightness level of the internal + * display, the state (on/off) of the internal pointer, and the volume level of + * the internal speakers or headphones. + * + * The FUJ02B1 device provides the following methods (or only a subset): + * + * GSIF supported hotkey status bits (bitmask for GHKS) + * GHKS active hotkeys (bit field) + * {G,S}BLL get/set the brightness level of the internal display + * {G,S}VOL get/set the volume level of the internal speakers + * {G,S}MOU get/set the switch state of the internal pointer + * RBLL brightness radix (number of brightness levels) + * RVOL volume radix (number of volume levels) + * + * Notifications are delivered to the FUJ02B1 device when functions hotkeys + * (brightness, pointer) are released. However, these notifications seem to be + * purely informative: the BIOS already made the hardware changes corresponding + * to the hotkey. + * + * Each bit in the value returned by GHKS remains set until the corresponding + * get method (GBLL, GMOU or GVOL) is called. + * + * The FUJ02E3 device manages the laptop hotkeys (such as the `Eco' button) and + * provides additional services (such as backlight on/off control) through the + * FUNC method. + * + * The FUJ02E3 device provides the following methods (or only a subset): + * + * GIRB get next hotkey code from buffer + * FUNC general-purpose method (four arguments) + * + * Notifications are delivered to the FUJ02E3 device when hotkeys are pressed + * and when they are released. The BIOS stores the corresponding codes in a + * FIFO buffer, that can be read with the GIRB method. + */ + +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: fujitsu_acpi.c,v 1.1 2010/11/05 10:28:21 gsutre Exp $"); + +#include <sys/param.h> +#include <sys/device.h> +#include <sys/kmem.h> +#include <sys/mutex.h> +#include <sys/sysctl.h> +#include <sys/systm.h> + +#include <dev/sysmon/sysmonvar.h> + +#include <dev/acpi/acpireg.h> +#include <dev/acpi/acpivar.h> + +#define _COMPONENT ACPI_RESOURCE_COMPONENT +ACPI_MODULE_NAME ("fujitsu_acpi") + +/* Notification code for events on ACPI Fujitsu devices. */ +#define FUJITSU_NOTIFY_Event 0x80 + +/* Event bits returned by the GHKS method. */ +#define FUJITSU_HKS_BRIGHTNESS __BIT(0) +#define FUJITSU_HKS_POINTER __BIT(3) + +/* Modification status bits in the values returned by GBLL, GMOU and GIRB. */ +#define FUJITSU_MODIFICATION_MASK 0xc0000000 + +/* Values returned by the GIRB method. */ +#define FUJITSU_IRB_HOTKEY_RELEASE 0x0 +#define FUJITSU_IRB_HOTKEY_PRESS(hk) (0x410 | hk) + +/* Hotkey index of a value returned by the GIRB method. */ +#define FUJITSU_IRB_HOTKEY_INDEX(irb) (irb & 0x3) + +/* Values for the first argument of the FUNC method. */ +#define FUJITSU_FUNC_TARGET_BACKLIGHT 0x1004 + +/* Values for the second argument of the FUNC method. */ +#define FUJITSU_FUNC_COMMAND_SET 0x1 +#define FUJITSU_FUNC_COMMAND_GET 0x2 + +/* Backlight values for the FUNC method. */ +#define FUJITSU_FUNC_BACKLIGHT_ON 0x0 +#define FUJITSU_FUNC_BACKLIGHT_REDUCED 0x2 +#define FUJITSU_FUNC_BACKLIGHT_OFF 0x3 + +/* Value returned by FUNC on invalid arguments. */ +#define FUJITSU_FUNC_INVALID_ARGS 0x80000000 + +/* + * fujitsu_bp_softc: + * + * Software state of an ACPI Fujitsu brightness & pointer controller. + * Valid brightness levels range from 0 to (sc_brightness_nlevels - 1). + */ +struct fujitsu_bp_softc { + device_t sc_dev; + struct acpi_devnode *sc_node; + struct sysctllog *sc_log; + kmutex_t sc_mtx; + uint16_t sc_caps; + uint8_t sc_brightness_nlevels; +}; + +/* + * ACPI Fujitsu brightness & pointer controller capabilities (methods). + */ +#define FUJITSU_BP_CAP_GHKS __BIT(0) +#define FUJITSU_BP_CAP_RBLL __BIT(1) +#define FUJITSU_BP_CAP_GBLL __BIT(2) +#define FUJITSU_BP_CAP_SBLL __BIT(3) +#define FUJITSU_BP_CAP_GMOU __BIT(4) +#define FUJITSU_BP_CAP_SMOU __BIT(5) + +/* + * ACPI Fujitsu brightness & pointer controller HID. + */ +static const char * const fujitsu_bp_hid[] = { + "FUJ02B1", + NULL +}; + +/* + * fujitsu_hk_softc: + * + * Software state of an ACPI Fujitsu hotkeys controller. + */ +struct fujitsu_hk_softc { + device_t sc_dev; + struct acpi_devnode *sc_node; + struct sysctllog *sc_log; + kmutex_t sc_mtx; + uint16_t sc_caps; +#define FUJITSU_HK_PSW_COUNT 4 + struct sysmon_pswitch sc_smpsw[FUJITSU_HK_PSW_COUNT]; + char sc_smpsw_name[FUJITSU_HK_PSW_COUNT][16]; +}; + +/* + * ACPI Fujitsu hotkeys controller capabilities (methods). + */ +#define FUJITSU_HK_CAP_GIRB __BIT(0) +#define FUJITSU_HK_CAP_FUNC __BIT(1) + +/* + * ACPI Fujitsu hotkeys controller HID. + */ +static const char * const fujitsu_hk_hid[] = { + "FUJ02E3", + NULL +}; + +static int fujitsu_bp_match(device_t, cfdata_t, void *); +static void fujitsu_bp_attach(device_t, device_t, void *); +static int fujitsu_bp_detach(device_t, int); + +static int fujitsu_hk_match(device_t, cfdata_t, void *); +static void fujitsu_hk_attach(device_t, device_t, void *); +static int fujitsu_hk_detach(device_t, int); + +CFATTACH_DECL_NEW(fujbp, sizeof(struct fujitsu_bp_softc), + fujitsu_bp_match, fujitsu_bp_attach, fujitsu_bp_detach, NULL); + +CFATTACH_DECL_NEW(fujhk, sizeof(struct fujitsu_hk_softc), + fujitsu_hk_match, fujitsu_hk_attach, fujitsu_hk_detach, NULL); + +static bool fujitsu_bp_suspend(device_t, const pmf_qual_t *); +static bool fujitsu_bp_resume(device_t, const pmf_qual_t *); + +static bool fujitsu_hk_suspend(device_t, const pmf_qual_t *); +static bool fujitsu_hk_resume(device_t, const pmf_qual_t *); + +static void fujitsu_bp_brightness_up(device_t); +static void fujitsu_bp_brightness_down(device_t); + +static uint16_t fujitsu_bp_capabilities(const struct acpi_devnode *); +static uint16_t fujitsu_hk_capabilities(const struct acpi_devnode *); + +static void fujitsu_bp_notify_handler(ACPI_HANDLE, uint32_t, void *); +static void fujitsu_hk_notify_handler(ACPI_HANDLE, uint32_t, void *); + +static void fujitsu_bp_event_callback(void *); +static void fujitsu_hk_event_callback(void *); + +static void fujitsu_bp_sysctl_setup(struct fujitsu_bp_softc *); +static void fujitsu_hk_sysctl_setup(struct fujitsu_hk_softc *); +static int fujitsu_bp_sysctl_brightness(SYSCTLFN_PROTO); +static int fujitsu_bp_sysctl_pointer(SYSCTLFN_PROTO); +static int fujitsu_hk_sysctl_backlight(SYSCTLFN_PROTO); + +static int fujitsu_get_hks(const struct fujitsu_bp_softc *, uint32_t *); +static int fujitsu_get_irb(const struct fujitsu_hk_softc *, uint32_t *); +static int fujitsu_get_brightness_nlevels(const struct fujitsu_bp_softc *, + uint8_t *); +static int fujitsu_get_brightness_level(const struct fujitsu_bp_softc *, + uint8_t *); +static int fujitsu_set_brightness_level(const struct fujitsu_bp_softc *, + uint8_t); +static int fujitsu_get_pointer_state(const struct fujitsu_bp_softc *, + bool *); +static int fujitsu_set_pointer_state(const struct fujitsu_bp_softc *, + bool); +static int fujitsu_get_backlight_state(const struct fujitsu_hk_softc *, + bool *); +static int fujitsu_set_backlight_state(const struct fujitsu_hk_softc *, + bool); + +static bool fujitsu_has_method(ACPI_HANDLE, const char *, ACPI_OBJECT_TYPE); +static ACPI_STATUS + fujitsu_eval_nary_integer(ACPI_HANDLE, const char *, const + ACPI_INTEGER *, uint8_t, ACPI_INTEGER *); + +/* + * Autoconfiguration for the fujbp driver. + */ + +static int +fujitsu_bp_match(device_t parent, cfdata_t match, void *aux) +{ + struct acpi_attach_args *aa = aux; + + if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) + return 0; + + return acpi_match_hid(aa->aa_node->ad_devinfo, fujitsu_bp_hid); +} + +static void +fujitsu_bp_attach(device_t parent, device_t self, void *aux) +{ + struct fujitsu_bp_softc *sc = device_private(self); + struct acpi_attach_args *aa = aux; + struct acpi_devnode *ad = aa->aa_node; + + aprint_naive(": Fujitsu Brightness & Pointer\n"); + aprint_normal(": Fujitsu Brightness & Pointer\n"); + + sc->sc_dev = self; + sc->sc_node = ad; + sc->sc_log = NULL; + mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE); + sc->sc_caps = fujitsu_bp_capabilities(ad); + + if (fujitsu_get_brightness_nlevels(sc, &sc->sc_brightness_nlevels)) + sc->sc_brightness_nlevels = 0; + + (void)acpi_register_notify(sc->sc_node, fujitsu_bp_notify_handler); + fujitsu_bp_sysctl_setup(sc); + + if (!pmf_device_register(self, fujitsu_bp_suspend, fujitsu_bp_resume)) + aprint_error_dev(self, "couldn't establish power handler\n"); + + if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_UP, + fujitsu_bp_brightness_up, true)) + aprint_error_dev(self, "couldn't register event handler\n"); + if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_DOWN, + fujitsu_bp_brightness_down, true)) + aprint_error_dev(self, "couldn't register event handler\n"); +} + +static int +fujitsu_bp_detach(device_t self, int flags) +{ + struct fujitsu_bp_softc *sc = device_private(self); + + pmf_event_deregister(self, PMFE_DISPLAY_BRIGHTNESS_DOWN, + fujitsu_bp_brightness_down, true); + pmf_event_deregister(self, PMFE_DISPLAY_BRIGHTNESS_UP, + fujitsu_bp_brightness_up, true); + + pmf_device_deregister(self); + + if (sc->sc_log != NULL) + sysctl_teardown(&sc->sc_log); + + acpi_deregister_notify(sc->sc_node); + + mutex_destroy(&sc->sc_mtx); + + return 0; +} + +/* + * Autoconfiguration for the fujhk driver. + */ + +static int +fujitsu_hk_match(device_t parent, cfdata_t match, void *aux) +{ + struct acpi_attach_args *aa = aux; + + if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) + return 0; + + return acpi_match_hid(aa->aa_node->ad_devinfo, fujitsu_hk_hid); +} + +static void +fujitsu_hk_attach(device_t parent, device_t self, void *aux) +{ + struct fujitsu_hk_softc *sc = device_private(self); + struct acpi_attach_args *aa = aux; + struct acpi_devnode *ad = aa->aa_node; + int i; + + aprint_naive(": Fujitsu Hotkeys\n"); + aprint_normal(": Fujitsu Hotkeys\n"); + + sc->sc_dev = self; + sc->sc_node = ad; + sc->sc_log = NULL; + mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE); + sc->sc_caps = fujitsu_hk_capabilities(ad); + + for (i = 0; i < FUJITSU_HK_PSW_COUNT; i++) { + (void)snprintf(sc->sc_smpsw_name[i], + sizeof(sc->sc_smpsw_name[i]), "%s-%d", + device_xname(self), i); + sc->sc_smpsw[i].smpsw_name = sc->sc_smpsw_name[i]; + sc->sc_smpsw[i].smpsw_type = PSWITCH_TYPE_HOTKEY; + (void)sysmon_pswitch_register(&sc->sc_smpsw[i]); + } + + (void)acpi_register_notify(sc->sc_node, fujitsu_hk_notify_handler); + fujitsu_hk_sysctl_setup(sc); + + if (!pmf_device_register(self, fujitsu_hk_suspend, fujitsu_hk_resume)) + aprint_error_dev(self, "couldn't establish power handler\n"); +} + +static int +fujitsu_hk_detach(device_t self, int flags) +{ + struct fujitsu_hk_softc *sc = device_private(self); + int i; + + pmf_device_deregister(self); + + if (sc->sc_log != NULL) + sysctl_teardown(&sc->sc_log); + + acpi_deregister_notify(sc->sc_node); + + for (i = 0; i < FUJITSU_HK_PSW_COUNT; i++) { + sysmon_pswitch_unregister(&sc->sc_smpsw[i]); + } + + mutex_destroy(&sc->sc_mtx); + + return 0; +} + +/* + * Power management. + */ + +/* + * On some LifeBook models, a call to the SMOU method is required to make the + * internal pointer work after resume. On the P7120, the internal pointer is + * always enabled after resume. If it was disabled before suspend, the BIOS + * apparently believes that it is still disabled after resume. + * + * To prevent these problems, we disable the internal pointer on suspend and + * enable it on resume. + */ +static bool +fujitsu_bp_suspend(device_t self, const pmf_qual_t *qual) +{ + struct fujitsu_bp_softc *sc = device_private(self); + + mutex_enter(&sc->sc_mtx); + (void)fujitsu_set_pointer_state(sc, false); + mutex_exit(&sc->sc_mtx); + + return true; +} + +static bool +fujitsu_bp_resume(device_t self, const pmf_qual_t *qual) +{ + struct fujitsu_bp_softc *sc = device_private(self); + + mutex_enter(&sc->sc_mtx); + (void)fujitsu_set_pointer_state(sc, true); + mutex_exit(&sc->sc_mtx); + + return true; +} + +/* + * On the P7120, the backlight needs to be enabled after resume, since the + * laptop wakes up with the backlight off (even if it was on before suspend). + */ +static bool +fujitsu_hk_suspend(device_t self, const pmf_qual_t *qual) +{ + struct fujitsu_hk_softc *sc = device_private(self); + + mutex_enter(&sc->sc_mtx); + (void)fujitsu_set_backlight_state(sc, false); + mutex_exit(&sc->sc_mtx); + + return true; +} + +static bool +fujitsu_hk_resume(device_t self, const pmf_qual_t *qual) +{ + struct fujitsu_hk_softc *sc = device_private(self); + + mutex_enter(&sc->sc_mtx); + (void)fujitsu_set_backlight_state(sc, true); + mutex_exit(&sc->sc_mtx); + + return true; +} + +static void +fujitsu_bp_brightness_up(device_t self) +{ + struct fujitsu_bp_softc *sc = device_private(self); + uint8_t level; + + mutex_enter(&sc->sc_mtx); + + if (fujitsu_get_brightness_level(sc, &level) == 0 && + level < (uint8_t)(sc->sc_brightness_nlevels - 1)) + (void)fujitsu_set_brightness_level(sc, level + 1); + + mutex_exit(&sc->sc_mtx); +} + +static void +fujitsu_bp_brightness_down(device_t self) +{ + struct fujitsu_bp_softc *sc = device_private(self); + uint8_t level; + + mutex_enter(&sc->sc_mtx); + + if (fujitsu_get_brightness_level(sc, &level) == 0 && + level > 0) + (void)fujitsu_set_brightness_level(sc, level - 1); + + mutex_exit(&sc->sc_mtx); +} + +/* + * Capabilities (available methods). + */ + +static uint16_t +fujitsu_bp_capabilities(const struct acpi_devnode *ad) +{ + uint16_t caps; + + caps = 0; + + if (fujitsu_has_method(ad->ad_handle, "GHKS", ACPI_TYPE_INTEGER)) + caps |= FUJITSU_BP_CAP_GHKS; + + if (fujitsu_has_method(ad->ad_handle, "RBLL", ACPI_TYPE_INTEGER)) + caps |= FUJITSU_BP_CAP_RBLL; + + if (fujitsu_has_method(ad->ad_handle, "GBLL", ACPI_TYPE_INTEGER)) + caps |= FUJITSU_BP_CAP_GBLL; + + if (fujitsu_has_method(ad->ad_handle, "SBLL", ACPI_TYPE_METHOD)) + caps |= FUJITSU_BP_CAP_SBLL; + + if (fujitsu_has_method(ad->ad_handle, "GMOU", ACPI_TYPE_INTEGER)) + caps |= FUJITSU_BP_CAP_GMOU; + + if (fujitsu_has_method(ad->ad_handle, "SMOU", ACPI_TYPE_METHOD)) + caps |= FUJITSU_BP_CAP_SMOU; + + return caps; +} + +static uint16_t +fujitsu_hk_capabilities(const struct acpi_devnode *ad) +{ + uint16_t caps; + + caps = 0; + + if (fujitsu_has_method(ad->ad_handle, "GIRB", ACPI_TYPE_INTEGER)) + caps |= FUJITSU_HK_CAP_GIRB; + + if (fujitsu_has_method(ad->ad_handle, "FUNC", ACPI_TYPE_METHOD)) + caps |= FUJITSU_HK_CAP_FUNC; + + return caps; +} + +/* + * ACPI notify handlers. + */ + +static void +fujitsu_bp_notify_handler(ACPI_HANDLE handle, uint32_t notify, void *context) +{ + struct fujitsu_bp_softc *sc = device_private(context); + + switch (notify) { + case FUJITSU_NOTIFY_Event: + (void)AcpiOsExecute(OSL_NOTIFY_HANDLER, + fujitsu_bp_event_callback, sc); + break; + default: + aprint_error_dev(sc->sc_dev, + "unknown notify: 0x%"PRIx32"\n", notify); + } +} + +static void +fujitsu_hk_notify_handler(ACPI_HANDLE handle, uint32_t notify, void *context) +{ + struct fujitsu_hk_softc *sc = device_private(context); + + switch (notify) { + case FUJITSU_NOTIFY_Event: + (void)AcpiOsExecute(OSL_NOTIFY_HANDLER, + fujitsu_hk_event_callback, sc); + break; + default: + aprint_error_dev(sc->sc_dev, + "unknown notify: 0x%"PRIx32"\n", notify); + } +} + +/* + * ACPI notify callbacks. + */ + +static void +fujitsu_bp_event_callback(void *arg) +{ + struct fujitsu_bp_softc *sc = arg; + int error; + uint32_t hks; + uint8_t level; + bool state; + + if (fujitsu_get_hks(sc, &hks)) + return; + + if (hks & FUJITSU_HKS_BRIGHTNESS) { + mutex_enter(&sc->sc_mtx); + error = fujitsu_get_brightness_level(sc, &level); + mutex_exit(&sc->sc_mtx); + if (!error) + aprint_verbose_dev(sc->sc_dev, + "brightness level is now: %"PRIu8"\n", level); + } + + if (hks & FUJITSU_HKS_POINTER) { + mutex_enter(&sc->sc_mtx); + error = fujitsu_get_pointer_state(sc, &state); + mutex_exit(&sc->sc_mtx); + if (!error) + aprint_verbose_dev(sc->sc_dev, + "internal pointer is now: %s\n", + state ? "enabled" : "disabled"); + } +} + +static void +fujitsu_hk_event_callback(void *arg) +{ + struct fujitsu_hk_softc *sc = arg; + const int max_irb_buffer_size = 100; + uint32_t irb; + int i, index; + + for (i = 0; i < max_irb_buffer_size; i++) { + if (fujitsu_get_irb(sc, &irb) || irb == 0) + return; + + switch (irb & ~FUJITSU_MODIFICATION_MASK) { + case FUJITSU_IRB_HOTKEY_RELEASE: + /* Hotkey button release event (nothing to do). */ + break; + case FUJITSU_IRB_HOTKEY_PRESS(0): + case FUJITSU_IRB_HOTKEY_PRESS(1): + case FUJITSU_IRB_HOTKEY_PRESS(2): + case FUJITSU_IRB_HOTKEY_PRESS(3): + /* Hotkey button press event. */ + index = FUJITSU_IRB_HOTKEY_INDEX(irb); + sysmon_pswitch_event(&sc->sc_smpsw[index], + PSWITCH_EVENT_PRESSED); + break; + default: + aprint_error_dev(sc->sc_dev, + "unknown GIRB result: 0x%"PRIx32"\n", irb); + break; + } + } +} + +/* + * Sysctl setup. + */ + +static void +fujitsu_bp_sysctl_setup(struct fujitsu_bp_softc *sc) +{ + const struct sysctlnode *rnode; + int access; + uint8_t dummy_level; + bool dummy_state; + bool brightness, pointer; + + brightness = (fujitsu_get_brightness_level(sc, &dummy_level) == 0); + pointer = (fujitsu_get_pointer_state(sc, &dummy_state) == 0); + + if (brightness || pointer) { + if ((sysctl_createv(&sc->sc_log, 0, NULL, &rnode, + 0, CTLTYPE_NODE, "hw", NULL, + NULL, 0, NULL, 0, + CTL_HW, CTL_EOL)) != 0) + goto fail; + + if ((sysctl_createv(&sc->sc_log, 0, &rnode, &rnode, + 0, CTLTYPE_NODE, "acpi", NULL, + NULL, 0, NULL, 0, + CTL_CREATE, CTL_EOL)) != 0) + goto fail; + + if ((sysctl_createv(&sc->sc_log, 0, &rnode, &rnode, + 0, CTLTYPE_NODE, device_xname(sc->sc_dev), + SYSCTL_DESCR("Fujitsu brightness & pointer controls"), + NULL, 0, NULL, 0, + CTL_CREATE, CTL_EOL)) != 0) + goto fail; + } + + if (brightness) { + if (sc->sc_caps & FUJITSU_BP_CAP_SBLL) + access = CTLFLAG_READWRITE; + else + access = CTLFLAG_READONLY; + + (void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL, + access, CTLTYPE_INT, "brightness", + SYSCTL_DESCR("Internal DFP brightness level"), + fujitsu_bp_sysctl_brightness, 0, sc, 0, + CTL_CREATE, CTL_EOL); + } + + if (pointer) { + if (sc->sc_caps & FUJITSU_BP_CAP_SMOU) + access = CTLFLAG_READWRITE; + else + access = CTLFLAG_READONLY; + + (void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL, + access, CTLTYPE_BOOL, "pointer", + SYSCTL_DESCR("Internal pointer switch state"), + fujitsu_bp_sysctl_pointer, 0, sc, 0, + CTL_CREATE, CTL_EOL); + } + + return; + + fail: + aprint_error_dev(sc->sc_dev, "couldn't add sysctl nodes\n"); +} + +static void +fujitsu_hk_sysctl_setup(struct fujitsu_hk_softc *sc) +{ + const struct sysctlnode *rnode; + bool dummy_state; + + if (fujitsu_get_backlight_state(sc, &dummy_state) == 0) { + if ((sysctl_createv(&sc->sc_log, 0, NULL, &rnode, + 0, CTLTYPE_NODE, "hw", NULL, + NULL, 0, NULL, 0, + CTL_HW, CTL_EOL)) != 0) + goto fail; + + if ((sysctl_createv(&sc->sc_log, 0, &rnode, &rnode, + 0, CTLTYPE_NODE, "acpi", NULL, + NULL, 0, NULL, 0, + CTL_CREATE, CTL_EOL)) != 0) + goto fail; + + if ((sysctl_createv(&sc->sc_log, 0, &rnode, &rnode, + 0, CTLTYPE_NODE, device_xname(sc->sc_dev), + SYSCTL_DESCR("Fujitsu hotkeys controls"), + NULL, 0, NULL, 0, + CTL_CREATE, CTL_EOL)) != 0) + goto fail; + + (void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL, + CTLFLAG_READWRITE, CTLTYPE_BOOL, "backlight", + SYSCTL_DESCR("Internal DFP backlight switch state"), + fujitsu_hk_sysctl_backlight, 0, sc, 0, + CTL_CREATE, CTL_EOL); + } + + return; + + fail: + aprint_error_dev(sc->sc_dev, "couldn't add sysctl nodes\n"); +} + +/* + * Sysctl callbacks. + */ + +static int +fujitsu_bp_sysctl_brightness(SYSCTLFN_ARGS) +{ + struct sysctlnode node; + struct fujitsu_bp_softc *sc; + int val, error; + uint8_t level; + + node = *rnode; + sc = node.sysctl_data; + + mutex_enter(&sc->sc_mtx); + error = fujitsu_get_brightness_level(sc, &level); + val = (int)level; + mutex_exit(&sc->sc_mtx); + + if (error) + return error; + + node.sysctl_data = &val; + error = sysctl_lookup(SYSCTLFN_CALL(&node)); + if (error || newp == NULL) + return error; + + if (val < 0 || val > (uint8_t)(sc->sc_brightness_nlevels - 1)) + return EINVAL; + + mutex_enter(&sc->sc_mtx); + error = fujitsu_set_brightness_level(sc, (uint8_t)val); + mutex_exit(&sc->sc_mtx); + + return error; +} + +static int +fujitsu_bp_sysctl_pointer(SYSCTLFN_ARGS) +{ + struct sysctlnode node; + struct fujitsu_bp_softc *sc; + bool val; + int error; + + node = *rnode; + sc = node.sysctl_data; + + mutex_enter(&sc->sc_mtx); + error = fujitsu_get_pointer_state(sc, &val); + mutex_exit(&sc->sc_mtx); + + if (error) + return error; + + node.sysctl_data = &val; + error = sysctl_lookup(SYSCTLFN_CALL(&node)); + if (error || newp == NULL) + return error; + + mutex_enter(&sc->sc_mtx); + error = fujitsu_set_pointer_state(sc, val); + mutex_exit(&sc->sc_mtx); + + return error; +} + +static int +fujitsu_hk_sysctl_backlight(SYSCTLFN_ARGS) +{ + struct sysctlnode node; + struct fujitsu_hk_softc *sc; + bool val; + int error; + + node = *rnode; + sc = node.sysctl_data; + + mutex_enter(&sc->sc_mtx); + error = fujitsu_get_backlight_state(sc, &val); + mutex_exit(&sc->sc_mtx); + + if (error) + return error; + + node.sysctl_data = &val; + error = sysctl_lookup(SYSCTLFN_CALL(&node)); + if (error || newp == NULL) + return error; + + mutex_enter(&sc->sc_mtx); + error = fujitsu_set_backlight_state(sc, val); + mutex_exit(&sc->sc_mtx); + + return error; +} + +/* + * Evaluation of ACPI Fujitsu methods. + */ + +static int +fujitsu_get_hks(const struct fujitsu_bp_softc *sc, uint32_t *valuep) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_BP_CAP_GHKS)) + return ENODEV; + + rv = acpi_eval_integer(hdl, "GHKS", &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "GHKS", AcpiFormatException(rv)); + return EIO; + } + + *valuep = (uint32_t)val; + + return 0; +} + +static int +fujitsu_get_irb(const struct fujitsu_hk_softc *sc, uint32_t *valuep) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_HK_CAP_GIRB)) + return ENODEV; + + rv = acpi_eval_integer(hdl, "GIRB", &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "GIRB", AcpiFormatException(rv)); + return EIO; + } + + *valuep = (uint32_t)val; + + return 0; +} + +static int +fujitsu_get_brightness_nlevels(const struct fujitsu_bp_softc *sc, uint8_t *valuep) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_BP_CAP_RBLL)) + return ENODEV; + + rv = acpi_eval_integer(hdl, "RBLL", &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "RBLL", AcpiFormatException(rv)); + return EIO; + } + + if (val > UINT8_MAX) + return ERANGE; + + *valuep = (uint8_t)val; + + return 0; +} + +static int +fujitsu_get_brightness_level(const struct fujitsu_bp_softc *sc, uint8_t *valuep) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_BP_CAP_GBLL)) + return ENODEV; + + rv = acpi_eval_integer(hdl, "GBLL", &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "GBLL", AcpiFormatException(rv)); + return EIO; + } + + /* Clear modification bits. */ + val &= ~FUJITSU_MODIFICATION_MASK; + + if (val > UINT8_MAX) + return ERANGE; + + *valuep = (uint8_t)val; + + return 0; +} + +static int +fujitsu_set_brightness_level(const struct fujitsu_bp_softc *sc, uint8_t value) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_BP_CAP_SBLL)) + return ENODEV; + + val = (ACPI_INTEGER)value; + rv = acpi_eval_set_integer(hdl, "SBLL", val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "SBLL", AcpiFormatException(rv)); + return EIO; + } + + return 0; +} + +static int +fujitsu_get_pointer_state(const struct fujitsu_bp_softc *sc, bool *valuep) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_BP_CAP_GMOU)) + return ENODEV; + + rv = acpi_eval_integer(hdl, "GMOU", &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "GMOU", AcpiFormatException(rv)); + return EIO; + } + + /* Clear modification bits. */ + val &= ~FUJITSU_MODIFICATION_MASK; + + if (val > 1) + return ERANGE; + + *valuep = (bool)val; + + return 0; +} + +static int +fujitsu_set_pointer_state(const struct fujitsu_bp_softc *sc, bool value) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_BP_CAP_SMOU)) + return ENODEV; + + val = (ACPI_INTEGER)value; + rv = acpi_eval_set_integer(hdl, "SMOU", val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "SMOU", AcpiFormatException(rv)); + return EIO; + } + + return 0; +} + +static int +fujitsu_get_backlight_state(const struct fujitsu_hk_softc *sc, bool *valuep) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER args[] = { + FUJITSU_FUNC_TARGET_BACKLIGHT, + FUJITSU_FUNC_COMMAND_GET, + 0x4, + 0x0 + }; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_HK_CAP_FUNC)) + return ENODEV; + + rv = fujitsu_eval_nary_integer(hdl, "FUNC", args, 4, &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "FUNC", AcpiFormatException(rv)); + return EIO; + } + + if (val == FUJITSU_FUNC_INVALID_ARGS) + return ENODEV; + + if (val == FUJITSU_FUNC_BACKLIGHT_ON) + *valuep = true; + else if (val == FUJITSU_FUNC_BACKLIGHT_OFF) + *valuep = false; + else + return ERANGE; + + return 0; +} + +static int +fujitsu_set_backlight_state(const struct fujitsu_hk_softc *sc, bool value) +{ + ACPI_HANDLE hdl = sc->sc_node->ad_handle; + ACPI_INTEGER args[] = { + FUJITSU_FUNC_TARGET_BACKLIGHT, + FUJITSU_FUNC_COMMAND_SET, + 0x4, + 0x0 + }; + ACPI_INTEGER val; + ACPI_STATUS rv; + + if (!(sc->sc_caps & FUJITSU_HK_CAP_FUNC)) + return ENODEV; + + if (value) + args[3] = FUJITSU_FUNC_BACKLIGHT_ON; + else + args[3] = FUJITSU_FUNC_BACKLIGHT_OFF; + + rv = fujitsu_eval_nary_integer(hdl, "FUNC", args, 4, &val); + if (ACPI_FAILURE(rv)) { + aprint_error_dev(sc->sc_dev, "failed to evaluate %s.%s: %s\n", + acpi_name(hdl), "FUNC", AcpiFormatException(rv)); + return EIO; + } + + if (val == FUJITSU_FUNC_INVALID_ARGS) + return ENODEV; + + return 0; +} + +/* + * General-purpose utility functions. + */ + +/* + * acpidisp_has_method: + * + * Returns true if and only if (a) the object handle.path exists and + * (b) this object is a method or has the given type. + */ +static bool +fujitsu_has_method(ACPI_HANDLE handle, const char *path, ACPI_OBJECT_TYPE type) +{ + ACPI_HANDLE hdl; + ACPI_OBJECT_TYPE typ; + + KASSERT(handle != NULL); + + if (ACPI_FAILURE(AcpiGetHandle(handle, path, &hdl))) + return false; + + if (ACPI_FAILURE(AcpiGetType(hdl, &typ))) + return false; + + if (typ != ACPI_TYPE_METHOD && typ != type) + return false; + + return true; +} + +/* + * fujitsu_eval_nary_integer: + * + * Evaluate an object that takes as input an arbitrary (possible null) + * number of integer parameters. If res is not NULL, then *res is filled + * with the result of the evaluation, and AE_NULL_OBJECT is returned if + * the evaluation produced no result. + */ +static ACPI_STATUS +fujitsu_eval_nary_integer(ACPI_HANDLE handle, const char *path, const + ACPI_INTEGER *args, uint8_t count, ACPI_INTEGER *res) +{ + ACPI_OBJECT_LIST paramlist; + ACPI_OBJECT retobj, objpool[4], *argobjs; + ACPI_BUFFER buf; + ACPI_STATUS rv; + uint8_t i; + + /* Require that (args == NULL) if and only if (count == 0). */ + KASSERT((args != NULL || count == 0) && (args == NULL || count != 0)); + + /* The object pool should be large enough for our callers. */ + KASSERT(count <= __arraycount(objpool)); + + if (handle == NULL) + handle = ACPI_ROOT_OBJECT; + + /* Convert the given array args into an array of ACPI objects. */ + argobjs = objpool; + for (i = 0; i < count; i++) { + argobjs[i].Type = ACPI_TYPE_INTEGER; + argobjs[i].Integer.Value = args[i]; + } + + paramlist.Count = count; + paramlist.Pointer = argobjs; + + (void)memset(&retobj, 0, sizeof(retobj)); + buf.Pointer = &retobj; + buf.Length = sizeof(retobj); + + rv = AcpiEvaluateObject(handle, path, ¶mlist, &buf); + + if (ACPI_FAILURE(rv)) + return rv; + + /* + * If a return value is expected and desired (i.e. res != NULL), + * then copy the result into *res. + */ + if (res != NULL) { + if (buf.Length == 0) + return AE_NULL_OBJECT; + + if (retobj.Type != ACPI_TYPE_INTEGER) + return AE_TYPE; + + *res = retobj.Integer.Value; + } + + return AE_OK; +}