Add ASUS ACPI hotkey driver, as found in the Eee PC.
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jmcneill
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648ad337d4
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4fab67daa7
225
sys/dev/acpi/asus_acpi.c
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225
sys/dev/acpi/asus_acpi.c
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/* $NetBSD: asus_acpi.c,v 1.1 2008/03/31 15:17:21 jmcneill Exp $ */
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/*-
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* Copyright (c) 2007, 2008 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jared D. McNeill.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: asus_acpi.c,v 1.1 2008/03/31 15:17:21 jmcneill Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/malloc.h>
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#include <sys/buf.h>
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#include <sys/callout.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/pmf.h>
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#include <dev/acpi/acpivar.h>
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typedef struct asus_softc {
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device_t sc_dev;
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struct acpi_devnode *sc_node;
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#define ASUS_PSW_DISPLAY_CYCLE 0
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#define ASUS_PSW_LAST 1
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struct sysmon_pswitch sc_smpsw[ASUS_PSW_LAST];
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bool sc_smpsw_valid;
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} asus_softc_t;
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#define ASUS_NOTIFY_WirelessSwitch 0x10
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#define ASUS_NOTIFY_BrightnessLow 0x20
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#define ASUS_NOTIFY_BrightnessHigh 0x2f
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#define ASUS_NOTIFY_DisplayCycle 0x30
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#define ASUS_NOTIFY_WindowSwitch 0x12 /* XXXJDM ?? */
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#define ASUS_NOTIFY_VolumeMute 0x13
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#define ASUS_NOTIFY_VolumeDown 0x14
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#define ASUS_NOTIFY_VolumeUp 0x15
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#define ASUS_METHOD_SDSP "SDSP"
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#define ASUS_SDSP_LCD 0x01
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#define ASUS_SDSP_CRT 0x02
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#define ASUS_SDSP_TV 0x04
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#define ASUS_SDSP_DVI 0x08
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#define ASUS_SDSP_ALL \
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(ASUS_SDSP_LCD | ASUS_SDSP_CRT | ASUS_SDSP_TV | ASUS_SDSP_DVI)
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static int asus_match(device_t, struct cfdata *, void *);
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static void asus_attach(device_t, device_t, void *);
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static void asus_notify_handler(ACPI_HANDLE, UINT32, void *);
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static void asus_init(device_t);
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static bool asus_resume(device_t PMF_FN_PROTO);
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CFATTACH_DECL_NEW(asus, sizeof(asus_softc_t),
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asus_match, asus_attach, NULL, NULL);
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static const char * const asus_ids[] = {
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"ASUS010",
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NULL
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};
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static int
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asus_match(device_t parent, cfdata_t match, void *opaque)
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{
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struct acpi_attach_args *aa = opaque;
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if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
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return 0;
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return acpi_match_hid(aa->aa_node->ad_devinfo, asus_ids);
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}
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static void
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asus_attach(device_t parent, device_t self, void *opaque)
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{
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asus_softc_t *sc = device_private(self);
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struct acpi_attach_args *aa = opaque;
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ACPI_STATUS rv;
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sc->sc_node = aa->aa_node;
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sc->sc_dev = self;
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aprint_naive("\n");
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aprint_normal("\n");
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asus_init(self);
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sc->sc_smpsw_valid = true;
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sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE].smpsw_name =
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PSWITCH_HK_DISPLAY_CYCLE;
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sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE].smpsw_type =
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PSWITCH_TYPE_HOTKEY;
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if (sysmon_pswitch_register(&sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE])) {
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aprint_error_dev(self, "couldn't register with sysmon\n");
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sc->sc_smpsw_valid = false;
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}
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rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle, ACPI_ALL_NOTIFY,
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asus_notify_handler, sc);
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if (ACPI_FAILURE(rv))
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aprint_error_dev(self, "couldn't install notify handler: %s\n",
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AcpiFormatException(rv));
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if (!pmf_device_register(self, NULL, asus_resume))
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aprint_error_dev(self, "couldn't establish power handler\n");
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return;
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}
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static void
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asus_notify_handler(ACPI_HANDLE hdl, UINT32 notify, void *opaque)
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{
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asus_softc_t *sc = opaque;
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if (notify >= ASUS_NOTIFY_BrightnessLow &&
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notify <= ASUS_NOTIFY_BrightnessHigh) {
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aprint_debug_dev(sc->sc_dev, "brightness %d percent\n",
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(notify & 0xf) * 100 / 0xf);
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return;
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}
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switch (notify) {
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case ASUS_NOTIFY_WirelessSwitch: /* handled by AML */
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case ASUS_NOTIFY_WindowSwitch: /* XXXJDM what is this? */
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break;
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case ASUS_NOTIFY_DisplayCycle:
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if (sc->sc_smpsw_valid == false)
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break;
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sysmon_pswitch_event(&sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE],
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PSWITCH_EVENT_PRESSED);
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break;
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case ASUS_NOTIFY_VolumeMute:
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pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE);
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break;
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case ASUS_NOTIFY_VolumeDown:
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pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
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break;
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case ASUS_NOTIFY_VolumeUp:
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pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
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break;
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default:
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aprint_debug_dev(sc->sc_dev, "unknown event 0x%02x\n", notify);
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break;
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}
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}
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static void
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asus_init(device_t self)
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{
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asus_softc_t *sc = device_private(self);
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ACPI_STATUS rv;
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ACPI_OBJECT param;
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ACPI_OBJECT_LIST params;
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ACPI_BUFFER ret;
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ret.Pointer = NULL;
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ret.Length = ACPI_ALLOCATE_BUFFER;
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param.Type = ACPI_TYPE_INTEGER;
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param.Integer.Value = 0x40; /* disable ASL display switching */
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params.Pointer = ¶m;
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params.Count = 1;
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rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "INIT",
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¶ms, &ret);
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if (ACPI_FAILURE(rv))
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aprint_error_dev(self, "couldn't evaluate INIT: %s\n",
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AcpiFormatException(rv));
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}
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static bool
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asus_resume(device_t self PMF_FN_ARGS)
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{
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asus_softc_t *sc = device_private(self);
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ACPI_STATUS rv;
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ACPI_OBJECT param;
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ACPI_OBJECT_LIST params;
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ACPI_BUFFER ret;
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asus_init(self);
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ret.Pointer = NULL;
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ret.Length = ACPI_ALLOCATE_BUFFER;
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param.Type = ACPI_TYPE_INTEGER;
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param.Integer.Value = ASUS_SDSP_LCD;
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params.Pointer = ¶m;
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params.Count = 1;
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rv = AcpiEvaluateObject(sc->sc_node->ad_handle, ASUS_METHOD_SDSP,
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¶ms, &ret);
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if (ACPI_FAILURE(rv))
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aprint_error_dev(self, "couldn't evaluate SDSP: %s\n",
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AcpiFormatException(rv));
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return true;
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}
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@ -1,4 +1,4 @@
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# $NetBSD: files.acpi,v 1.49 2007/12/23 17:29:26 jmcneill Exp $
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# $NetBSD: files.acpi,v 1.50 2008/03/31 15:17:21 jmcneill Exp $
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include "dev/acpi/acpica/files.acpica"
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@ -113,6 +113,11 @@ device aiboost: sysmon_envsys
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attach aiboost at acpinodebus
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file dev/acpi/aiboost.c aiboost
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# ASUS hotkey device
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device asus: sysmon_power
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attach asus at acpinodebus
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file dev/acpi/asus_acpi.c asus
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# Abit uGuru 2005
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attach ug at acpinodebus with ug_acpi
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file dev/acpi/ug_acpi.c ug_acpi
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