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Re: kern/50261: Please support newer Toshiba laptop hotkeys
The following reply was made to PR kern/50261; it has been noted by GNATS.
From: NONAKA Kimihiro <nonakap%gmail.com@localhost>
To: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%netbsd.org@localhost>, ryoon%netbsd.org@localhost
Cc: kern-bug-people%netbsd.org@localhost,
"gnats-admin%netbsd.org@localhost" <gnats-admin%netbsd.org@localhost>, "netbsd-bugs%netbsd.org@localhost" <netbsd-bugs%netbsd.org@localhost>
Subject: Re: kern/50261: Please support newer Toshiba laptop hotkeys
Date: Mon, 21 Sep 2015 21:42:07 +0900
Could you write valz(4) man page?
2015-09-20 17:25 GMT+09:00 <ryoon%netbsd.org@localhost>:
>>Number: 50261
>>Category: kern
>>Synopsis: Please support newer Toshiba laptop hotkeys
>>Confidential: no
>>Severity: serious
>>Priority: medium
>>Responsible: kern-bug-people
>>State: open
>>Class: sw-bug
>>Submitter-Id: net
>>Arrival-Date: Sun Sep 20 08:25:00 +0000 2015
>>Originator: Ryo ONODERA
>>Release: NetBSD 7.99.21
>>Organization:
>
>>Environment:
>
>
> System: NetBSD brownie.elements.tetera.org 7.99.21 NetBSD 7.99.21 (DTRACE7) #247: Sun Sep 20 17:10:06 JST 2015 ryo_on%brownie.elements.tetera.org@localhost:/usr/world/7.99/amd64/obj/sys/arch/amd64/compile/DTRACE7 amd64
> Architecture: x86_64
> Machine: amd64
>>Description:
> The included patch enables LCD backlight toggle and Touchpad/trackpoint
> toggle on Toshiba dynabook P63/PS.
>
>>How-To-Repeat:
> Apply the included patch.
>
>>Fix:
>
> Index: sys/dev/acpi/valz_acpi.c
> ===================================================================
> RCS file: sys/dev/acpi/valz_acpi.c
> diff -N sys/dev/acpi/valz_acpi.c
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ sys/dev/acpi/valz_acpi.c 20 Sep 2015 08:17:14 -0000
> @@ -0,0 +1,643 @@
> +/* $NetBSD: vald_acpi.c,v 1.4 2010/04/15 07:02:24 jruoho Exp $ */
> +
> +/*-
> + * Copyright (c) 2002 The NetBSD Foundation, Inc.
> + * All rights reserved.
> + *
> + * This code is derived from software contributed to The NetBSD Foundation
> + * by Masanori Kanaoka.
> + *
> + * 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.
> + */
> +
> +/*
> + * Copyright 2001 Bill Sommerfeld.
> + * 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.
> + * 3. All advertising materials mentioning features or use of this software
> + * must display the following acknowledgement:
> + * This product includes software developed for the NetBSD Project by
> + * Wasabi Systems, Inc.
> + * 4. The name of Wasabi Systems, Inc. may not be used to endorse
> + * or promote products derived from this software without specific prior
> + * written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
> + * 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 VALZ Driver for Toshiba dynabook R63/PS
> + * This driver is based on vald_acpi.c
> + */
> +
> +/*
> + * Obtain information of Toshiba "GHCI" Method from next URL.
> + * http://www.buzzard.me.uk/toshiba/docs.html
> + * http://memebeam.org/toys/ToshibaAcpiDriver
> + */
> +
> +#include <sys/cdefs.h>
> +__KERNEL_RCSID(0, "$NetBSD: vald_acpi.c,v 1.4 2010/04/15 07:02:24 jruoho Exp $");
> +
> +#include <sys/param.h>
> +#include <sys/systm.h>
> +#include <sys/device.h>
> +
> +#include <dev/acpi/acpica.h>
> +#include <dev/acpi/acpireg.h>
> +#include <dev/acpi/acpivar.h>
> +
> +#define _COMPONENT ACPI_RESOURCE_COMPONENT
> +ACPI_MODULE_NAME ("valz_acpi")
> +
> +#define METHOD_HCI "GHCI"
> +#define METHOD_HCI_ENABLE "ENAB"
> +
> +/* Operations */
> +/* Get */
> +#define HCI_GET 0xfe00
> +#define SCI_CHECK 0xf000
> +#define SCI_GET 0xf300
> +
> +/* Set */
> +#define HCI_SET 0xff00
> +#define SCI_OPEN 0xf100
> +#define SCI_CLOSE 0xf200
> +#define SCI_SET 0xf400
> +
> +/* Return codes */
> +#define HCI_SUCCESS 0x0000
> +#define HCI_FAILURE 0x1000
> +#define HCI_NOT_SUPPORTED 0x8000
> +#define HCI_INPUT_ERROR 0x8300
> +#define HCI_FIFO_EMPTY 0x8c00
> +
> +#define SCI_OPENCLOSE_OK 0x0044
> +#define SCI_NOT_SUPPORTED 0x8000
> +#define SCI_ALREADY_OPEN 0x8100
> +#define SCI_NOT_OPEN 0x8200
> +#define SCI_NOT_PRESENT 0x8600
> +
> +/* Functions */
> +#define HCI_LCD_BACKLIGHT 0x0002
> +#define HCI_ACADAPTOR 0x0003
> +#define HCI_SYSTEM_EVENT_FIFO 0x0016
> +#define HCI_KBD_BACKLIGHT 0x0017
> +#define HCI_DISPLAY_DEV 0x001c
> +#define HCI_HOTKEY_EVENT 0x001e
> +#define HCI_LCD_BRIGHTNESS 0x002a
> +#define HCI_CPU_SPEED 0x0032
> +
> +#define SCI_USB_OFF_CHARGE 0x0150
> +#define SCI_TOUCHPAD 0x050e
> +#define SCI_KBD_BACKLIGHT_STS 0x015c
> +#define SCI_KBD_BACKLIGHT 0x0095
> +
> +#define SCI_KBD_BL_TIME_SHIFT 0x10
> +
> +/* Field definitions */
> +#define HCI_LCD_BRIGHTNESS_BITS 3
> +#define HCI_LCD_BRIGHTNESS_SFT (16 - HCI_LCD_BRIGHTNESS_BITS)
> +#define HCI_LCD_BRIGHTNESS_MIN 0
> +#define HCI_LCD_BRIGHTNESS_MAX 7
> +#define HCI_VIDEO_DEVICE_FLG 0x0100
> +#define HCI_CPU_SPEED_BITS 3
> +#define HCI_CPU_SPEED_SFT (16 - HCI_CPU_SPEED_BITS)
> +#define HCI_CPU_SPEED_MAX ((1 << HCI_CPU_SPEED_BITS) - 1)
> +
> +/* Key press/release events */
> +
> +/* Key press/release events */
> +#define FN_RELEASE_OFFSET 0x80
> +# if 0
> +/* Not used */
> +#define FN_PRESS 0x01ff
> +#define FN_RELEASE 0x0100
> +# endif
> +#define FN_ESC_PRESS 0x0101
> +#define FN_ESC_RELEASE (FN_ESC_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F1_PRESS 0x013b
> +#define FN_F1_RELEASE (FN_F1_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F2_PRESS 0x013c
> +#define FN_F2_RELEASE (FN_F2_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F3_PRESS 0x013d
> +#define FN_F3_RELEASE (FN_F3_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F4_PRESS 0x013e
> +#define FN_F4_RELEASE (FN_F4_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F5_PRESS 0x013f
> +#define FN_F5_RELEASE (FN_F5_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F6_PRESS 0x0140
> +#define FN_F6_RELEASE (FN_F6_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F7_PRESS 0x0141
> +#define FN_F7_RELEASE (FN_F7_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F8_PRESS 0x0142
> +#define FN_F8_RELEASE (FN_F8_PRESS + FN_RELEASE_OFFSET)
> +#define FN_F9_PRESS 0x0143
> +#define FN_F9_RELEASE (FN_F9_PRESS + FN_RELEASE_OFFSET)
> +/* Toggle, they are controlled by hardware */
> +#define FN_F10_ON 0x1bb0
> +#define FN_F10_OFF 0x1bb1
> +#define FN_F11_ON 0x1bb2
> +#define FN_F11_OFF 0x1bb3
> +/* Fn+F12 does not emit keycode */
> +/* dynabook R63/PS does not have KANJI keytop print */
> +#define FN_KNJ_PRESS 0x0129
> +#define FN_KNJ_RELEASE (FN_KNJ_PRESS + FN_RELEASE_OFFSET)
> +#define FN_1_PRESS 0x0102
> +#define FN_1_RELEASE (FN_1_PRESS + FN_RELEASE_OFFSET)
> +#define FN_2_PRESS 0x0103
> +#define FN_2_RELEASE (FN_2_PRESS + FN_RELEASE_OFFSET)
> +/* Fn+3 and Fn+4 do not emit keybode */
> +#define FN_Z_PRESS 0x012c
> +#define FN_Z_RELEASE (FN_1_PRESS + FN_RELEASE_OFFSET)
> +#define FN_SPACE_PRESS 0x0139
> +#define FN_SPACE_RELEASE (FN_1_PRESS + FN_RELEASE_OFFSET)
> +#define FN_TAB_PRESS 0x010f
> +#define FN_TAB_RELEASE (FN_TAB_PRESS + FN_RELEASE_OFFSET)
> +#define FN_CAPS_PRESS 0x013a
> +#define FN_CAPS_RELEASE (FN_CAPS_PRESS + FN_RELEASE_OFFSET)
> +#define FN_BACKSPACE_PRESS 0x010e
> +#define FN_BACKSPACE_RELEASE (FN_BACKSPACE_PRESS + FN_RELEASE_OFFSET)
> +#define FN_INS_PRESS 0x0152
> +#define FN_INS_RELEASE (FN_INS_PRESS + FN_RELEASE_OFFSET)
> +#define FN_DEL_PRESS 0x0153
> +#define FN_DEL_RELEASE (FN_DEL_PRESS + FN_RELEASE_OFFSET)
> +#define FN_PRTSC_PRESS 0x0137
> +#define FN_PRTSC_RELEASE (FN_PRTSC_PRESS + FN_RELEASE_OFFSET)
> +
> +/* HCI register definitions */
> +#define HCI_WORDS 6 /* number of registers */
> +#define HCI_REG_AX 0 /* Operation -> return value */
> +#define HCI_REG_BX 1 /* Function */
> +#define HCI_REG_CX 2 /* Argument (in or out) */
> +#define HCI_REG_DX 3 /* unused */
> +#define HCI_REG_SI 4 /* unused */
> +#define HCI_REG_DI 5 /* unused */
> +
> +#define HCI_ON 0x0001
> +#define HCI_OFF 0x0000
> +#define HCI_ENABLE 0x0001
> +#define HCI_DISABLE 0x0000
> +
> +#define HCI_LCD 0x1
> +#define HCI_CRT 0x2
> +#define HCI_TV 0x4
> +
> +#define SCI_KBD_BL_MODE_MASK 0x1f
> +#define SCI_KBD_BL_TIMO_SFT 0x10
> +#define SCI_KBD_BL_MODE_AUTO 0x2
> +#define SCI_KBD_BL_MODE_ON 0x8
> +#define SCI_KBD_BL_MODE_OFF 0x10
> +
> +struct valz_acpi_softc {
> + device_t sc_dev; /* base device glue */
> + struct acpi_devnode *sc_node; /* our ACPI devnode */
> +};
> +
> +static const char * const valz_acpi_hids[] = {
> + "TOS6208",
> + NULL
> +};
> +
> +static int valz_acpi_match(device_t, cfdata_t, void *);
> +static void valz_acpi_attach(device_t, device_t, void *);
> +
> +static void valz_acpi_event(void *);
> +static void valz_acpi_notify_handler(ACPI_HANDLE, uint32_t, void *);
> +
> +#define ACPI_NOTIFY_ValzHotkeyPressed 0x80
> +#define ACPI_NOTIFY_ValzLidClosed 0x8f
> +#define ACPI_NOTIFY_ValzKbdBLChanges 0x92
> +
> +/* HCI manipulation */
> +static ACPI_STATUS hci_op(struct valz_acpi_softc *,
> + uint32_t *, uint32_t *);
> +static ACPI_STATUS valz_acpi_hci_get(struct valz_acpi_softc *, uint32_t,
> + uint32_t, uint32_t *, uint32_t *);
> +static ACPI_STATUS valz_acpi_hci_set(struct valz_acpi_softc *, uint32_t,
> + uint32_t, uint32_t, uint32_t *);
> +
> +static ACPI_STATUS sci_open(struct valz_acpi_softc *);
> +static ACPI_STATUS sci_close(struct valz_acpi_softc *);
> +
> +static ACPI_STATUS valz_acpi_touchpad_toggle(struct valz_acpi_softc *);
> +static ACPI_STATUS valz_acpi_lcd_backlight_toggle(
> + struct valz_acpi_softc *sc);
> +
> +CFATTACH_DECL_NEW(valz_acpi, sizeof(struct valz_acpi_softc),
> + valz_acpi_match, valz_acpi_attach, NULL, NULL);
> +
> +/*
> + * valz_acpi_match:
> + *
> + * Autoconfiguration `match' routine.
> + */
> +static int
> +valz_acpi_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, valz_acpi_hids));
> +}
> +
> +/*
> + * valz_acpi_attach:
> + *
> + * Autoconfiguration `attach' routine.
> + */
> +static void
> +valz_acpi_attach(device_t parent, device_t self, void *aux)
> +{
> + struct valz_acpi_softc *sc = device_private(self);
> + struct acpi_attach_args *aa = aux;
> + ACPI_STATUS rv;
> +
> + aprint_naive(": Toshiba VALZ\n");
> + aprint_normal(": Toshiba VALZ\n");
> +
> + sc->sc_node = aa->aa_node;
> + sc->sc_dev = self;
> +
> + /* enable valz notify */
> + rv = AcpiEvaluateObject(sc->sc_node->ad_handle, METHOD_HCI_ENABLE,
> + NULL, NULL);
> + if (ACPI_FAILURE(rv)) {
> + aprint_error("Cannot enable VALZ.\n");
> + } else {
> + (void)acpi_register_notify(sc->sc_node,
> + valz_acpi_notify_handler);
> + }
> +}
> +
> +/*
> + * valz_acpi_notify_handler:
> + *
> + * Notify handler.
> + */
> +static void
> +valz_acpi_notify_handler(ACPI_HANDLE handle, uint32_t notify, void *context)
> +{
> + struct valz_acpi_softc *sc;
> + device_t self = context;
> +
> + sc = device_private(self);
> +
> + switch (notify) {
> + case ACPI_NOTIFY_ValzHotkeyPressed:
> + (void)AcpiOsExecute(OSL_NOTIFY_HANDLER, valz_acpi_event, sc);
> + break;
> +
> + case ACPI_NOTIFY_ValzLidClosed:
> + /* Lid closed */
> + break;
> +
> + case ACPI_NOTIFY_ValzKbdBLChanges:
> + /* Keyboard backlight mode changed */
> + break;
> +
> + default:
> + aprint_error_dev(sc->sc_dev,
> + "unknown notify 0x%02X\n", notify);
> + break;
> + }
> +}
> +
> +/*
> + * valz_acpi_event:
> + *
> + * Check hotkey event and do it, if event occur.
> + */
> +static void
> +valz_acpi_event(void *arg)
> +{
> + struct valz_acpi_softc *sc = arg;
> + ACPI_STATUS rv;
> + uint32_t value, result;
> +
> + while(1) {
> + rv = valz_acpi_hci_get(sc, HCI_GET, HCI_SYSTEM_EVENT_FIFO,
> + &value, &result);
> + if (ACPI_SUCCESS(rv) && result == 0) {
> + switch (value) {
> + case FN_F9_PRESS:
> + valz_acpi_touchpad_toggle(sc);
> + break;
> + case FN_TAB_PRESS:
> + valz_acpi_lcd_backlight_toggle(sc);
> + break;
> +
> + default:
> + /* Many unused buttons */
> + aprint_debug("Pressed: 0x%x\n", value);
> + break;
> + }
> + }
> + if (ACPI_FAILURE(rv) || result == HCI_NOT_SUPPORTED ||
> + result == HCI_FIFO_EMPTY)
> + break;
> + }
> +}
> +
> +/*
> + * HCI/SCI operation
> + */
> +static ACPI_STATUS
> +hci_op(struct valz_acpi_softc *sc, uint32_t *input, uint32_t *output)
> +{
> + ACPI_STATUS rv;
> + ACPI_OBJECT Arg[HCI_WORDS];
> + ACPI_OBJECT_LIST ArgList;
> + ACPI_OBJECT *param, *PrtElement;
> + ACPI_BUFFER buf;
> + int i;
> +
> + for (i = 0; i < HCI_WORDS; i++) {
> + Arg[i].Type = ACPI_TYPE_INTEGER;
> + Arg[i].Integer.Value = 0;
> + }
> +
> + for (i = 0; i < HCI_WORDS; i++) {
> + Arg[i].Integer.Value = input[i];
> + }
> +
> + ArgList.Count = HCI_WORDS;
> + ArgList.Pointer = Arg;
> +
> + buf.Pointer = NULL;
> + buf.Length = ACPI_ALLOCATE_BUFFER;
> +
> + rv = AcpiEvaluateObjectTyped(sc->sc_node->ad_handle,
> + METHOD_HCI, &ArgList, &buf, ACPI_TYPE_PACKAGE);
> + if (ACPI_FAILURE(rv)) {
> + aprint_error_dev(sc->sc_dev, "failed to evaluate GHCI: %s\n",
> + AcpiFormatException(rv));
> + return rv;
> + }
> +
> + for (i = 0; i < HCI_WORDS; i++) {
> + output[i] = 0;
> + }
> + param = (ACPI_OBJECT *)buf.Pointer;
> + PrtElement = param->Package.Elements;
> + for (i = 0; i < HCI_WORDS; i++) {
> + if (PrtElement->Type == ACPI_TYPE_INTEGER)
> + output[i] = PrtElement->Integer.Value;
> + PrtElement++;
> + }
> +
> + if (buf.Pointer)
> + ACPI_FREE(buf.Pointer);
> +
> + return rv;
> +}
> +
> +/*
> + * valz_acpi_hci_get:
> + *
> + * Get value via "GHCI" Method.
> + */
> +static ACPI_STATUS
> +valz_acpi_hci_get(struct valz_acpi_softc *sc, uint32_t function,
> + uint32_t reg, uint32_t *value, uint32_t *result)
> +{
> + ACPI_STATUS rv;
> +
> + uint32_t input[HCI_WORDS];
> + uint32_t output[HCI_WORDS];
> +
> + input[HCI_REG_AX] = function;
> + input[HCI_REG_BX] = reg;
> + input[HCI_REG_CX] = 0;
> + input[HCI_REG_DX] = 0;
> + input[HCI_REG_SI] = 0;
> + input[HCI_REG_DI] = 0;
> +
> + rv = hci_op(sc, input, output);
> +
> + *result = output[HCI_REG_AX];
> + *value = output[HCI_REG_CX];
> +
> + return rv;
> +}
> +
> +/*
> + * valz_acpi_hci_set:
> + *
> + * Set value via "GHCI" Method.
> + */
> +static ACPI_STATUS
> +valz_acpi_hci_set(struct valz_acpi_softc *sc, uint32_t function,
> + uint32_t reg, uint32_t value, uint32_t *result)
> +{
> + ACPI_STATUS rv;
> +
> + uint32_t input[HCI_WORDS];
> + uint32_t output[HCI_WORDS];
> +
> + input[HCI_REG_AX] = function;
> + input[HCI_REG_BX] = reg;
> + input[HCI_REG_CX] = value;
> + input[HCI_REG_DX] = 0;
> + input[HCI_REG_SI] = 0;
> + input[HCI_REG_DI] = 0;
> +
> + rv = hci_op(sc, input, output);
> +
> + *result = output[HCI_REG_AX];
> +
> + return rv;
> +}
> +
> +/*
> + * Open SCI
> + */
> +static ACPI_STATUS
> +sci_open(struct valz_acpi_softc *sc)
> +{
> + ACPI_STATUS rv;
> + uint32_t result;
> +
> + rv = valz_acpi_hci_set(sc, SCI_OPEN, 0, 0, &result);
> + if (ACPI_FAILURE(rv)) {
> + aprint_error("SCI: ACPI set error\n");
> + } else {
> + switch (result) {
> + case SCI_OPENCLOSE_OK:
> + aprint_debug("Opening SCI\n");
> + break;
> + case SCI_ALREADY_OPEN:
> + aprint_error("SCI already open\n");
> + break;
> + case SCI_NOT_SUPPORTED:
> + aprint_error("SCI is not supported\n");
> + break;
> + case SCI_NOT_PRESENT:
> + aprint_error("SCI is not present\n");
> + break;
> + default:
> + aprint_error("SCI: undefined behavior\n");
> + break;
> + }
> + }
> +
> + return rv;
> +}
> +
> +/*
> + * Close SCI
> + */
> +static ACPI_STATUS
> +sci_close(struct valz_acpi_softc *sc)
> +{
> + ACPI_STATUS rv;
> + uint32_t result;
> +
> + rv = valz_acpi_hci_set(sc, SCI_CLOSE, 0, 0, &result);
> + if (ACPI_FAILURE(rv)) {
> + aprint_error("SCI: ACPI set error\n");
> + } else {
> + switch (result) {
> + case SCI_OPENCLOSE_OK:
> + aprint_debug("Closing SCI\n");
> + break;
> + case SCI_NOT_OPEN:
> + aprint_error("SCI is not opened\n");
> + break;
> + case SCI_NOT_SUPPORTED:
> + aprint_error("SCI is not supported\n");
> + break;
> + case SCI_NOT_PRESENT:
> + aprint_error("SCI is not present\n");
> + break;
> + default:
> + aprint_error("SCI: undefined behavior\n");
> + break;
> + }
> + }
> +
> + return rv;
> +}
> +
> +/*
> + * Enable/disable touchpad and trackpoint with HCI_ENABLE/HCI_DISABLE
> + */
> +static ACPI_STATUS
> +valz_acpi_touchpad_toggle(struct valz_acpi_softc *sc)
> +{
> + ACPI_STATUS rv;
> + uint32_t result, status, value;
> +
> + rv = sci_open(sc);
> + if (ACPI_FAILURE(rv))
> + aprint_error_dev(sc->sc_dev,
> + "Cannot open SCI: %s\n",
> + AcpiFormatException(rv));
> +
> + rv = valz_acpi_hci_get(sc, SCI_GET, SCI_TOUCHPAD, &value, &result);
> + if (ACPI_FAILURE(rv))
> + aprint_error_dev(sc->sc_dev,
> + "Cannot get SCI touchpad status: %s\n",
> + AcpiFormatException(rv));
> +
> + switch (value) {
> + case HCI_ENABLE:
> + status = HCI_DISABLE;
> + break;
> + case HCI_DISABLE:
> + status = HCI_ENABLE;
> + break;
> + default:
> + status = HCI_ENABLE;
> + break;
> + }
> +
> + rv = valz_acpi_hci_set(sc, SCI_SET, SCI_TOUCHPAD, status, &result);
> + if (ACPI_FAILURE(rv))
> + aprint_error_dev(sc->sc_dev,
> + "Cannot set SCI touchpad status: %s\n",
> + AcpiFormatException(rv));
> +
> + rv = sci_close(sc);
> + if (ACPI_FAILURE(rv))
> + aprint_error_dev(sc->sc_dev,
> + "Cannot close SCI: %s\n",
> + AcpiFormatException(rv));
> +
> + return rv;
> +}
> +
> +/*
> + * Enable/disable LCD backlight with HCI_ENABLE/HCI_DISABLE
> + */
> +static ACPI_STATUS
> +valz_acpi_lcd_backlight_toggle(struct valz_acpi_softc *sc)
> +{
> + ACPI_STATUS rv;
> + uint32_t result, status, value;
> +
> + rv = valz_acpi_hci_get(sc, HCI_GET, HCI_LCD_BACKLIGHT, &value, &result);
> + if (ACPI_FAILURE(rv))
> + aprint_error_dev(sc->sc_dev,
> + "Cannot get HCI LCD backlight status: %s\n",
> + AcpiFormatException(rv));
> +
> + switch (value) {
> + case HCI_ON:
> + status = HCI_OFF;
> + break;
> + case HCI_OFF:
> + status = HCI_ON;
> + break;
> + default:
> + status = HCI_ON;
> + break;
> + }
> +
> + rv = valz_acpi_hci_set(sc, HCI_SET, HCI_LCD_BACKLIGHT, status, &result);
> + if (ACPI_FAILURE(rv))
> + aprint_error_dev(sc->sc_dev,
> + "Cannot set HCI LCD backlight status: %s\n",
> + AcpiFormatException(rv));
> +
> + return rv;
> +}
> Index: sys/dev/acpi/files.acpi
> ===================================================================
> RCS file: /cvsroot/src/sys/dev/acpi/files.acpi,v
> retrieving revision 1.95
> diff -u -r1.95 files.acpi
> --- sys/dev/acpi/files.acpi 14 Sep 2014 19:54:05 -0000 1.95
> +++ sys/dev/acpi/files.acpi 20 Sep 2015 08:17:14 -0000
> @@ -169,6 +169,11 @@
> attach vald at acpinodebus with vald_acpi
> file dev/acpi/vald_acpi.c vald_acpi
>
> +# Toshiba dynabook hotkeys
> +device valz
> +attach valz at acpinodebus with valz_acpi
> +file dev/acpi/valz_acpi.c valz_acpi
> +
> # Sony SPIC (jog dial etc.)
> attach spic at acpinodebus with spic_acpi
> file dev/acpi/spic_acpi.c spic_acpi
>
>>Unformatted:
>
>
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