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/* $OpenBSD: abtn.c,v 1.14 2011/06/15 21:32:04 miod Exp $ */
/* $NetBSD: abtn.c,v 1.1 1999/07/12 17:48:26 tsubai Exp $ */
/*-
* Copyright (c) 2002, Miodrag Vallat.
* Copyright (C) 1999 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/workq.h>
#include <machine/bus.h>
#include <dev/ofw/openfirm.h>
#include <macppc/macppc/ofw_machdep.h>
#include <dev/adb/adb.h>
#include "audio.h"
#include "cd.h"
#include "wskbd.h"
#define ABTN_HANDLER_ID 31
struct abtn_softc {
struct device sc_dev;
int origaddr; /* ADB device type */
int adbaddr; /* current ADB address */
int handler_id;
};
int abtn_match(struct device *, void *, void *);
void abtn_attach(struct device *, struct device *, void *);
void abtn_adbcomplete(caddr_t, caddr_t, int);
#if NWSKBD > 0
extern int cd_eject(void);
#if NAUDIO > 0
extern int wskbd_set_mixervolume(long dir);
#endif
#endif
struct cfattach abtn_ca = {
sizeof(struct abtn_softc), abtn_match, abtn_attach
};
struct cfdriver abtn_cd = {
NULL, "abtn", DV_DULL
};
int
abtn_match(struct device *parent, void *cf, void *aux)
{
struct adb_attach_args *aa = aux;
if (strcmp(aa->name, adb_device_name) != 0)
return (0);
if (aa->origaddr == ADBADDR_MISC &&
aa->handler_id == ABTN_HANDLER_ID)
return 1;
return 0;
}
void
abtn_attach(struct device *parent, struct device *self, void *aux)
{
struct abtn_softc *sc = (struct abtn_softc *)self;
struct adb_attach_args *aa = aux;
ADBSetInfoBlock adbinfo;
printf(": brightness/volume/eject buttons\n");
sc->origaddr = aa->origaddr;
sc->adbaddr = aa->adbaddr;
sc->handler_id = aa->handler_id;
adbinfo.siServiceRtPtr = (Ptr)abtn_adbcomplete;
adbinfo.siDataAreaAddr = (caddr_t)sc;
set_adb_info(&adbinfo, sc->adbaddr);
}
void
abtn_adbcomplete(caddr_t buffer, caddr_t data, int adb_command)
{
u_int cmd, brightness;
cmd = buffer[1];
switch (cmd) {
case 0x0a: /* decrease brightness */
brightness = cons_brightness;
if (brightness == MAX_BRIGHTNESS)
brightness++; /* get round values */
brightness -= STEP_BRIGHTNESS;
of_setbrightness(brightness);
break;
case 0x09: /* increase brightness */
brightness = cons_brightness + STEP_BRIGHTNESS;
of_setbrightness(brightness);
break;
#if NAUDIO > 0 && NWSKBD > 0
case 0x08: /* mute */
case 0x01: /* mute, AV hardware */
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)0, (void *)(int)1);
break;
case 0x07: /* decrease volume */
case 0x02: /* decrease volume, AV hardware */
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)-1, (void *)(int)1);
break;
case 0x06: /* increase volume */
case 0x03: /* increase volume, AV hardware */
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)1, (void *)(int)1);
break;
#endif
case 0x0c: /* mirror display key */
/* Need callback to do something with this */
break;
#if NWSKBD > 0 && NCD > 0
case 0x0b: /* eject tray */
workq_add_task(NULL, 0, (workq_fn)cd_eject, NULL, NULL);
break;
#endif
case 0x7f: /* numlock */
/* Need callback to do something with this */
break;
default:
#ifdef DEBUG
if ((cmd & ~0x7f) == 0)
printf("unknown ADB button 0x%x\n", cmd);
#endif
break;
}
}
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