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/* $NetBSD: hpqlb_acpi.c,v 1.11 2021/01/29 15:49:55 thorpej Exp $ */
/*-
* Copyright (c) 2008 Christoph Egger <cegger@netbsd.org>
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hpqlb_acpi.c,v 1.11 2021/01/29 15:49:55 thorpej Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <machine/pio.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/isa/isareg.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wskbdvar.h>
#define _COMPONENT ACPI_RESOURCE_COMPONENT
ACPI_MODULE_NAME ("hpqlb_acpi")
struct hpqlb_softc {
device_t sc_dev;
struct acpi_devnode *sc_node;
device_t sc_wskbddev;
#define HP_PSW_DISPLAY_CYCLE 0
#define HP_PSW_BRIGHTNESS_UP 1
#define HP_PSW_BRIGHTNESS_DOWN 2
#define HP_PSW_SLEEP 3
#define HP_PSW_LAST 4
struct sysmon_pswitch sc_smpsw[HP_PSW_LAST];
bool sc_smpsw_displaycycle_valid;
bool sc_smpsw_sleep_valid;
};
#define HP_QLB_Quick 0x88
#define HP_QLB_DVD 0x8e
#define HP_QLB_FullBackward 0x90
#define HP_QLB_Play 0xa2
#define HP_QLB_FullForward 0x99
#define HP_QLB_Stop 0xa4
#define HP_QLB_VolumeMute 0xa0
#define HP_QLB_VolumeDown 0xae
#define HP_QLB_VolumeUp 0xb0
#define HP_QLB_Help 0xb1
#define HP_QLB_WWW 0xb2
#define HP_QLB_DisplayCycle /* ??? */
#define HP_QLB_Sleep 0xdf
#define HP_QLB_Lock 0x8a
#define HP_QLB_BrightnessDown /* ??? */
#define HP_QLB_BrightnessUp /* ??? */
#define HP_QLB_ChasisOpen 0xe3
static int hpqlb_match(device_t, cfdata_t, void *);
static void hpqlb_attach(device_t, device_t, void *);
static int hpqlb_detach(device_t, int);
static int hpqlb_finalize(device_t);
static int hpqlb_hotkey_handler(struct wskbd_softc *, void *, u_int, int);
static void hpqlb_init(device_t);
static bool hpqlb_resume(device_t, const pmf_qual_t *);
CFATTACH_DECL_NEW(hpqlb, sizeof(struct hpqlb_softc),
hpqlb_match, hpqlb_attach, hpqlb_detach, NULL);
static const struct device_compatible_entry compat_data[] = {
{ .compat = "HPQ0006" },
{ .compat = "HPQ0007" },
DEVICE_COMPAT_EOL
};
static int
hpqlb_match(device_t parent, cfdata_t match, void *opaque)
{
struct acpi_attach_args *aa = opaque;
return acpi_compatible_match(aa, compat_data);
}
static void
hpqlb_attach(device_t parent, device_t self, void *opaque)
{
struct hpqlb_softc *sc = device_private(self);
struct acpi_attach_args *aa = opaque;
sc->sc_node = aa->aa_node;
sc->sc_dev = self;
aprint_naive("\n");
aprint_normal(": HP Quick Launch Buttons\n");
hpqlb_init(self);
if (config_finalize_register(self, hpqlb_finalize) != 0)
aprint_error_dev(self, "unable to register hpqlb finalizer\n");
sc->sc_smpsw_displaycycle_valid = true;
sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_name =
PSWITCH_HK_DISPLAY_CYCLE;
sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_type =
PSWITCH_TYPE_HOTKEY;
if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE]) != 0)
sc->sc_smpsw_displaycycle_valid = false;
sc->sc_smpsw_sleep_valid = true;
sc->sc_smpsw[HP_PSW_SLEEP].smpsw_name = device_xname(self);
sc->sc_smpsw[HP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP;
if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_SLEEP]) != 0)
sc->sc_smpsw_sleep_valid = false;
(void)pmf_device_register(self, NULL, hpqlb_resume);
}
static int
hpqlb_detach(device_t self, int flags)
{
struct hpqlb_softc *sc = device_private(self);
pmf_device_deregister(self);
wskbd_hotkey_deregister(sc->sc_wskbddev);
if (sc->sc_smpsw_sleep_valid != false)
sysmon_pswitch_unregister(&sc->sc_smpsw[HP_PSW_SLEEP]);
if (sc->sc_smpsw_displaycycle_valid != false)
sysmon_pswitch_unregister(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE]);
return 0;
}
static int
hpqlb_hotkey_handler(struct wskbd_softc *wskbd_sc, void *cookie,
u_int type, int value)
{
struct hpqlb_softc *sc = cookie;
int ret = 1;
switch (value) {
case HP_QLB_VolumeMute:
if (type != WSCONS_EVENT_KEY_DOWN)
break;
pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
break;
case HP_QLB_VolumeDown:
if (type != WSCONS_EVENT_KEY_DOWN)
break;
pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
break;
case HP_QLB_VolumeUp:
if (type != WSCONS_EVENT_KEY_DOWN)
break;
pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
break;
#if 0
case HP_QLB_DisplayCycle: /* ??? */
if (type != WSCONS_EVENT_KEY_DOWN)
break;
if (sc->sc_smpsw_displaycycle_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE],
PSWITCH_EVENT_PRESSED);
break;
#endif
case HP_QLB_Sleep:
if (type != WSCONS_EVENT_KEY_DOWN)
break;
if (sc->sc_smpsw_sleep_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_SLEEP],
PSWITCH_EVENT_PRESSED);
break;
#if 0
case HP_QLB_BrightnessDown: /* ??? */
if (type != WSCONS_EVENT_KEY_DOWN)
break;
pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN);
break;
case HP_QLB_BrightnessUp: /* ??? */
if (type != WSCONS_EVENT_KEY_DOWN)
break;
pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP);
break;
#endif
case HP_QLB_ChasisOpen:
if (type != WSCONS_EVENT_KEY_DOWN)
break;
pmf_event_inject(NULL, PMFE_CHASSIS_LID_OPEN);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "unknown hotkey "
"0x%02x\n", value));
ret = 0; /* Assume, this is no hotkey */
break;
}
return ret;
}
static void
hpqlb_init(device_t self)
{
/* HPQ0006: HP Quick Launch Buttons */
/* HPQ0007: HP Remote Device */
/* val 0, 1 or 7 == HPQ0006 */
/* val not 0, 1 or 7 == HPQ0007 */
/* Turn on Quick Launch Buttons */
outb(IO_RTC+2, 0xaf);
outb(IO_RTC+3, 7 /* val */);
}
static int
hpqlb_finalize(device_t self)
{
device_t dv;
deviter_t di;
struct hpqlb_softc *sc = device_private(self);
static int done_once = 0;
/* Since we only handle real hardware, we only need to be
* called once.
*/
if (done_once)
return 0;
done_once = 1;
for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
dv = deviter_next(&di)) {
if (!device_is_a(dv, "wskbd"))
continue;
/* Make sure, we don't get a wskbd from a USB keyboard.
* QLB only works on the wskbd attached on pckbd. */
if (!device_is_a(device_parent(dv), "pckbd"))
continue;
aprint_normal_dev(self, "registering on %s\n",
device_xname(dv));
break;
}
deviter_release(&di);
if (dv == NULL) {
aprint_error_dev(self, "WARNING: no matching wskbd found\n");
return 1;
}
sc->sc_wskbddev = dv;
wskbd_hotkey_register(sc->sc_wskbddev, sc, hpqlb_hotkey_handler);
return 0;
}
static bool
hpqlb_resume(device_t self, const pmf_qual_t *qual)
{
hpqlb_init(self);
return true;
}
MODULE(MODULE_CLASS_DRIVER, hpqlb, "sysmon_power");
#ifdef _MODULE
#include "ioconf.c"
#endif
static int
hpqlb_modcmd(modcmd_t cmd, void *aux)
{
int rv = 0;
switch (cmd) {
case MODULE_CMD_INIT:
#ifdef _MODULE
rv = config_init_component(cfdriver_ioconf_hpqlb,
cfattach_ioconf_hpqlb, cfdata_ioconf_hpqlb);
#endif
break;
case MODULE_CMD_FINI:
#ifdef _MODULE
rv = config_fini_component(cfdriver_ioconf_hpqlb,
cfattach_ioconf_hpqlb, cfdata_ioconf_hpqlb);
#endif
break;
default:
rv = ENOTTY;
}
return rv;
}
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