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/* $OpenBSD: acpiasus.c,v 1.12 2011/06/06 06:13:46 deraadt Exp $ */
/* $NetBSD: asus_acpi.c,v 1.2.2.2 2008/04/03 12:42:37 mjf Exp $ */
/*
* Copyright (c) 2007, 2008 Jared D. McNeill <jmcneill@invisible.ca>
* 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 by Jared D. McNeill.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
/*
* ASUS ACPI hotkeys driver.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/workq.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpidev.h>
#include <dev/acpi/amltypes.h>
#include <dev/acpi/dsdt.h>
#include "audio.h"
#include "wskbd.h"
struct acpiasus_softc {
struct device sc_dev;
struct acpi_softc *sc_acpi;
struct aml_node *sc_devnode;
};
#define ASUS_NOTIFY_WIRELESSON 0x10
#define ASUS_NOTIFY_WIRELESSOFF 0x11
#define ASUS_NOTIFY_TASKSWITCH 0x12
#define ASUS_NOTIFY_VOLUMEMUTE 0x13
#define ASUS_NOTIFY_VOLUMEDOWN 0x14
#define ASUS_NOTIFY_VOLUMEUP 0x15
#define ASUS_NOTIFY_LCDSWITCHOFF0 0x16
#define ASUS_NOTIFY_LCDSWITCHOFF1 0x1a
#define ASUS_NOTIFY_LCDCHANGERES 0x1b
#define ASUS_NOTIFY_USERDEF0 0x1c
#define ASUS_NOTIFY_USERDEF1 0x1d
#define ASUS_NOTIFY_BRIGHTNESSLOW 0x20
#define ASUS_NOTIFY_BRIGHTNESSHIGH 0x2f
#define ASUS_NOTIFY_DISPLAYCYCLEDOWN 0x30
#define ASUS_NOTIFY_DISPLAYCYCLEUP 0x32
#define ASUS_NOTIFY_POWERCONNECT 0x50
#define ASUS_NOTIFY_POWERDISCONNECT 0x51
#define ASUS_SDSP_LCD 0x01
#define ASUS_SDSP_CRT 0x02
#define ASUS_SDSP_TV 0x04
#define ASUS_SDSP_DVI 0x08
#define ASUS_SDSP_ALL \
(ASUS_SDSP_LCD | ASUS_SDSP_CRT | ASUS_SDSP_TV | ASUS_SDSP_DVI)
int acpiasus_match(struct device *, void *, void *);
void acpiasus_attach(struct device *, struct device *, void *);
void acpiasus_init(struct device *);
int acpiasus_notify(struct aml_node *, int, void *);
int acpiasus_activate(struct device *, int);
#if NAUDIO > 0 && NWSKBD > 0
extern int wskbd_set_mixervolume(long dir, int out);
#endif
struct cfattach acpiasus_ca = {
sizeof(struct acpiasus_softc), acpiasus_match, acpiasus_attach,
acpiasus_activate
};
struct cfdriver acpiasus_cd = {
NULL, "acpiasus", DV_DULL
};
const char *acpiasus_hids[] = { ACPI_DEV_ASUS, 0 };
int
acpiasus_match(struct device *parent, void *match, void *aux)
{
struct acpi_attach_args *aa = aux;
struct cfdata *cf = match;
return (acpi_matchhids(aa, acpiasus_hids, cf->cf_driver->cd_name));
}
void
acpiasus_attach(struct device *parent, struct device *self, void *aux)
{
struct acpiasus_softc *sc = (struct acpiasus_softc *)self;
struct acpi_attach_args *aa = aux;
sc->sc_acpi = (struct acpi_softc *)parent;
sc->sc_devnode = aa->aaa_node;
printf("\n");
acpiasus_init(self);
aml_register_notify(sc->sc_devnode, aa->aaa_dev,
acpiasus_notify, sc, ACPIDEV_NOPOLL);
}
void
acpiasus_init(struct device *self)
{
struct acpiasus_softc *sc = (struct acpiasus_softc *)self;
struct aml_value cmd;
struct aml_value ret;
bzero(&cmd, sizeof(cmd));
cmd.type = AML_OBJTYPE_INTEGER;
cmd.v_integer = 0x40; /* Disable ASL display switching. */
if (aml_evalname(sc->sc_acpi, sc->sc_devnode, "INIT", 1, &cmd, &ret))
printf("%s: no INIT\n", DEVNAME(sc));
else
aml_freevalue(&ret);
}
int
acpiasus_notify(struct aml_node *node, int notify, void *arg)
{
struct acpiasus_softc *sc = arg;
if (notify >= ASUS_NOTIFY_BRIGHTNESSLOW &&
notify <= ASUS_NOTIFY_BRIGHTNESSHIGH) {
#ifdef ACPIASUS_DEBUG
printf("%s: brightness %d percent\n", DEVNAME(sc),
(notify & 0xf) * 100 / 0xf);
#endif
return 0;
}
switch (notify) {
case ASUS_NOTIFY_WIRELESSON: /* Handled by AML. */
case ASUS_NOTIFY_WIRELESSOFF: /* Handled by AML. */
break;
case ASUS_NOTIFY_TASKSWITCH:
break;
case ASUS_NOTIFY_DISPLAYCYCLEDOWN:
case ASUS_NOTIFY_DISPLAYCYCLEUP:
break;
#if NAUDIO > 0 && NWSKBD > 0
case ASUS_NOTIFY_VOLUMEMUTE:
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)0, (void *)(int)1);
break;
case ASUS_NOTIFY_VOLUMEDOWN:
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)-1, (void *)(int)1);
break;
case ASUS_NOTIFY_VOLUMEUP:
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)1, (void *)(int)1);
break;
#else
case ASUS_NOTIFY_VOLUMEMUTE:
case ASUS_NOTIFY_VOLUMEDOWN:
case ASUS_NOTIFY_VOLUMEUP:
break;
#endif
case ASUS_NOTIFY_POWERCONNECT:
case ASUS_NOTIFY_POWERDISCONNECT:
break;
case ASUS_NOTIFY_LCDSWITCHOFF0:
case ASUS_NOTIFY_LCDSWITCHOFF1:
break;
case ASUS_NOTIFY_LCDCHANGERES:
break;
case ASUS_NOTIFY_USERDEF0:
case ASUS_NOTIFY_USERDEF1:
break;
default:
printf("%s: unknown event 0x%02x\n", DEVNAME(sc), notify);
break;
}
return 0;
}
int
acpiasus_activate(struct device *self, int act)
{
struct acpiasus_softc *sc = (struct acpiasus_softc *)self;
struct aml_value cmd;
struct aml_value ret;
switch (act) {
case DVACT_SUSPEND:
break;
case DVACT_RESUME:
acpiasus_init(self);
bzero(&cmd, sizeof(cmd));
cmd.type = AML_OBJTYPE_INTEGER;
cmd.v_integer = ASUS_SDSP_LCD;
if (aml_evalname(sc->sc_acpi, sc->sc_devnode, "SDSP", 1,
&cmd, &ret))
printf("%s: no SDSP\n", DEVNAME(sc));
else
aml_freevalue(&ret);
break;
}
return (0);
}
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