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|
/* $NetBSD: thinkpad_acpi.c,v 1.46.24.1 2020/01/31 11:17:32 martin Exp $ */
/*-
* Copyright (c) 2007 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.
*
* 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: thinkpad_acpi.c,v 1.46.24.1 2020/01/31 11:17:32 martin Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpi_ecvar.h>
#include <dev/acpi/acpi_power.h>
#include <dev/isa/isareg.h>
#define _COMPONENT ACPI_RESOURCE_COMPONENT
ACPI_MODULE_NAME ("thinkpad_acpi")
#define THINKPAD_NTEMPSENSORS 8
#define THINKPAD_NFANSENSORS 1
#define THINKPAD_NSENSORS (THINKPAD_NTEMPSENSORS + THINKPAD_NFANSENSORS)
typedef struct thinkpad_softc {
device_t sc_dev;
device_t sc_ecdev;
struct acpi_devnode *sc_node;
ACPI_HANDLE sc_powhdl;
ACPI_HANDLE sc_cmoshdl;
#define TP_PSW_SLEEP 0 /* FnF4 */
#define TP_PSW_HIBERNATE 1 /* FnF12 */
#define TP_PSW_DISPLAY_CYCLE 2 /* FnF7 */
#define TP_PSW_LOCK_SCREEN 3 /* FnF2 */
#define TP_PSW_BATTERY_INFO 4 /* FnF3 */
#define TP_PSW_EJECT_BUTTON 5 /* FnF9 */
#define TP_PSW_ZOOM_BUTTON 6 /* FnSPACE */
#define TP_PSW_VENDOR_BUTTON 7 /* ThinkVantage */
#define TP_PSW_FNF1_BUTTON 8 /* FnF1 */
#define TP_PSW_WIRELESS_BUTTON 9 /* FnF5 */
#define TP_PSW_WWAN_BUTTON 10 /* FnF6 */
#define TP_PSW_POINTER_BUTTON 11 /* FnF8 */
#define TP_PSW_FNF10_BUTTON 12 /* FnF10 */
#define TP_PSW_FNF11_BUTTON 13 /* FnF11 */
#define TP_PSW_BRIGHTNESS_UP 14
#define TP_PSW_BRIGHTNESS_DOWN 15
#define TP_PSW_THINKLIGHT 16
#define TP_PSW_VOLUME_UP 17
#define TP_PSW_VOLUME_DOWN 18
#define TP_PSW_VOLUME_MUTE 19
#define TP_PSW_LAST 20
struct sysmon_pswitch sc_smpsw[TP_PSW_LAST];
bool sc_smpsw_valid;
struct sysmon_envsys *sc_sme;
envsys_data_t sc_sensor[THINKPAD_NSENSORS];
int sc_display_state;
} thinkpad_softc_t;
/* Hotkey events */
#define THINKPAD_NOTIFY_FnF1 0x001
#define THINKPAD_NOTIFY_LockScreen 0x002
#define THINKPAD_NOTIFY_BatteryInfo 0x003
#define THINKPAD_NOTIFY_SleepButton 0x004
#define THINKPAD_NOTIFY_WirelessSwitch 0x005
#define THINKPAD_NOTIFY_wWANSwitch 0x006
#define THINKPAD_NOTIFY_DisplayCycle 0x007
#define THINKPAD_NOTIFY_PointerSwitch 0x008
#define THINKPAD_NOTIFY_EjectButton 0x009
#define THINKPAD_NOTIFY_FnF10 0x00a /* XXX: Not seen on T61 */
#define THINKPAD_NOTIFY_FnF11 0x00b
#define THINKPAD_NOTIFY_HibernateButton 0x00c
#define THINKPAD_NOTIFY_BrightnessUp 0x010
#define THINKPAD_NOTIFY_BrightnessDown 0x011
#define THINKPAD_NOTIFY_ThinkLight 0x012
#define THINKPAD_NOTIFY_Zoom 0x014
#define THINKPAD_NOTIFY_VolumeUp 0x015 /* XXX: Not seen on T61 */
#define THINKPAD_NOTIFY_VolumeDown 0x016 /* XXX: Not seen on T61 */
#define THINKPAD_NOTIFY_VolumeMute 0x017 /* XXX: Not seen on T61 */
#define THINKPAD_NOTIFY_ThinkVantage 0x018
#define THINKPAD_CMOS_BRIGHTNESS_UP 0x04
#define THINKPAD_CMOS_BRIGHTNESS_DOWN 0x05
#define THINKPAD_HKEY_VERSION 0x0100
#define THINKPAD_DISPLAY_LCD 0x01
#define THINKPAD_DISPLAY_CRT 0x02
#define THINKPAD_DISPLAY_DVI 0x08
#define THINKPAD_DISPLAY_ALL \
(THINKPAD_DISPLAY_LCD | THINKPAD_DISPLAY_CRT | THINKPAD_DISPLAY_DVI)
#define THINKPAD_BLUETOOTH_HWPRESENT 0x01
#define THINKPAD_BLUETOOTH_RADIOSSW 0x02
#define THINKPAD_BLUETOOTH_RESUMECTRL 0x04
#define THINKPAD_WWAN_HWPRESENT 0x01
#define THINKPAD_WWAN_RADIOSSW 0x02
#define THINKPAD_WWAN_RESUMECTRL 0x04
#define THINKPAD_UWB_HWPRESENT 0x01
#define THINKPAD_UWB_RADIOSSW 0x02
#define THINKPAD_RFK_BLUETOOTH 0
#define THINKPAD_RFK_WWAN 1
#define THINKPAD_RFK_UWB 2
static int thinkpad_match(device_t, cfdata_t, void *);
static void thinkpad_attach(device_t, device_t, void *);
static int thinkpad_detach(device_t, int);
static ACPI_STATUS thinkpad_mask_init(thinkpad_softc_t *, uint32_t);
static void thinkpad_notify_handler(ACPI_HANDLE, uint32_t, void *);
static void thinkpad_get_hotkeys(void *);
static void thinkpad_sensors_init(thinkpad_softc_t *);
static void thinkpad_sensors_refresh(struct sysmon_envsys *, envsys_data_t *);
static void thinkpad_temp_refresh(struct sysmon_envsys *, envsys_data_t *);
static void thinkpad_fan_refresh(struct sysmon_envsys *, envsys_data_t *);
static void thinkpad_uwb_toggle(thinkpad_softc_t *);
static void thinkpad_wwan_toggle(thinkpad_softc_t *);
static void thinkpad_bluetooth_toggle(thinkpad_softc_t *);
static bool thinkpad_resume(device_t, const pmf_qual_t *);
static void thinkpad_brightness_up(device_t);
static void thinkpad_brightness_down(device_t);
static uint8_t thinkpad_brightness_read(thinkpad_softc_t *sc);
static void thinkpad_cmos(thinkpad_softc_t *, uint8_t);
CFATTACH_DECL3_NEW(thinkpad, sizeof(thinkpad_softc_t),
thinkpad_match, thinkpad_attach, thinkpad_detach, NULL, NULL, NULL,
DVF_DETACH_SHUTDOWN);
static const char * const thinkpad_ids[] = {
"IBM0068",
"LEN0068",
NULL
};
static int
thinkpad_match(device_t parent, cfdata_t match, void *opaque)
{
struct acpi_attach_args *aa = (struct acpi_attach_args *)opaque;
ACPI_INTEGER ver;
if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
return 0;
if (!acpi_match_hid(aa->aa_node->ad_devinfo, thinkpad_ids))
return 0;
/* We only support hotkey version 0x0100 */
if (ACPI_FAILURE(acpi_eval_integer(aa->aa_node->ad_handle, "MHKV",
&ver)))
return 0;
if (ver != THINKPAD_HKEY_VERSION)
return 0;
/* Cool, looks like we're good to go */
return 1;
}
static void
thinkpad_attach(device_t parent, device_t self, void *opaque)
{
thinkpad_softc_t *sc = device_private(self);
struct acpi_attach_args *aa = (struct acpi_attach_args *)opaque;
struct sysmon_pswitch *psw;
device_t curdev;
deviter_t di;
ACPI_STATUS rv;
ACPI_INTEGER val;
int i;
sc->sc_dev = self;
sc->sc_powhdl = NULL;
sc->sc_cmoshdl = NULL;
sc->sc_node = aa->aa_node;
sc->sc_display_state = THINKPAD_DISPLAY_LCD;
aprint_naive("\n");
aprint_normal("\n");
sc->sc_ecdev = NULL;
for (curdev = deviter_first(&di, DEVITER_F_ROOT_FIRST);
curdev != NULL; curdev = deviter_next(&di))
if (device_is_a(curdev, "acpiecdt") ||
device_is_a(curdev, "acpiec")) {
sc->sc_ecdev = curdev;
break;
}
deviter_release(&di);
if (sc->sc_ecdev)
aprint_debug_dev(self, "using EC at %s\n",
device_xname(sc->sc_ecdev));
/* Get the supported event mask */
rv = acpi_eval_integer(sc->sc_node->ad_handle, "MHKA", &val);
if (ACPI_FAILURE(rv)) {
aprint_error_dev(self, "couldn't evaluate MHKA: %s\n",
AcpiFormatException(rv));
goto fail;
}
/* Enable all supported events */
rv = thinkpad_mask_init(sc, val);
if (ACPI_FAILURE(rv)) {
aprint_error_dev(self, "couldn't set event mask: %s\n",
AcpiFormatException(rv));
goto fail;
}
(void)acpi_register_notify(sc->sc_node, thinkpad_notify_handler);
/*
* Obtain a handle for CMOS commands. This is used by T61.
*/
(void)AcpiGetHandle(NULL, "\\UCMS", &sc->sc_cmoshdl);
/*
* Obtain a handle to the power resource available on many models.
* Since pmf(9) is not yet integrated with the ACPI power resource
* code, this must be turned on manually upon resume. Otherwise the
* system may, for instance, resume from S3 with usb(4) powered down.
*/
(void)AcpiGetHandle(NULL, "\\_SB.PCI0.LPC.EC.PUBS", &sc->sc_powhdl);
/* Register power switches with sysmon */
psw = sc->sc_smpsw;
sc->sc_smpsw_valid = true;
psw[TP_PSW_SLEEP].smpsw_name = device_xname(self);
psw[TP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP;
#if notyet
psw[TP_PSW_HIBERNATE].smpsw_name = device_xname(self);
mpsw[TP_PSW_HIBERNATE].smpsw_type = PSWITCH_TYPE_HIBERNATE;
#endif
for (i = TP_PSW_DISPLAY_CYCLE; i < TP_PSW_LAST; i++)
sc->sc_smpsw[i].smpsw_type = PSWITCH_TYPE_HOTKEY;
psw[TP_PSW_DISPLAY_CYCLE].smpsw_name = PSWITCH_HK_DISPLAY_CYCLE;
psw[TP_PSW_LOCK_SCREEN].smpsw_name = PSWITCH_HK_LOCK_SCREEN;
psw[TP_PSW_BATTERY_INFO].smpsw_name = PSWITCH_HK_BATTERY_INFO;
psw[TP_PSW_EJECT_BUTTON].smpsw_name = PSWITCH_HK_EJECT_BUTTON;
psw[TP_PSW_ZOOM_BUTTON].smpsw_name = PSWITCH_HK_ZOOM_BUTTON;
psw[TP_PSW_VENDOR_BUTTON].smpsw_name = PSWITCH_HK_VENDOR_BUTTON;
#ifndef THINKPAD_NORMAL_HOTKEYS
psw[TP_PSW_FNF1_BUTTON].smpsw_name = PSWITCH_HK_FNF1_BUTTON;
psw[TP_PSW_WIRELESS_BUTTON].smpsw_name = PSWITCH_HK_WIRELESS_BUTTON;
psw[TP_PSW_WWAN_BUTTON].smpsw_name = PSWITCH_HK_WWAN_BUTTON;
psw[TP_PSW_POINTER_BUTTON].smpsw_name = PSWITCH_HK_POINTER_BUTTON;
psw[TP_PSW_FNF10_BUTTON].smpsw_name = PSWITCH_HK_FNF10_BUTTON;
psw[TP_PSW_FNF11_BUTTON].smpsw_name = PSWITCH_HK_FNF11_BUTTON;
psw[TP_PSW_BRIGHTNESS_UP].smpsw_name = PSWITCH_HK_BRIGHTNESS_UP;
psw[TP_PSW_BRIGHTNESS_DOWN].smpsw_name = PSWITCH_HK_BRIGHTNESS_DOWN;
psw[TP_PSW_THINKLIGHT].smpsw_name = PSWITCH_HK_THINKLIGHT;
psw[TP_PSW_VOLUME_UP].smpsw_name = PSWITCH_HK_VOLUME_UP;
psw[TP_PSW_VOLUME_DOWN].smpsw_name = PSWITCH_HK_VOLUME_DOWN;
psw[TP_PSW_VOLUME_MUTE].smpsw_name = PSWITCH_HK_VOLUME_MUTE;
#endif /* THINKPAD_NORMAL_HOTKEYS */
for (i = 0; i < TP_PSW_LAST; i++) {
/* not supported yet */
if (i == TP_PSW_HIBERNATE)
continue;
if (sysmon_pswitch_register(&sc->sc_smpsw[i]) != 0) {
aprint_error_dev(self,
"couldn't register with sysmon\n");
sc->sc_smpsw_valid = false;
break;
}
}
/* Register temperature and fan sensors with envsys */
thinkpad_sensors_init(sc);
fail:
if (!pmf_device_register(self, NULL, thinkpad_resume))
aprint_error_dev(self, "couldn't establish power handler\n");
if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_UP,
thinkpad_brightness_up, true))
aprint_error_dev(self, "couldn't register event handler\n");
if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_DOWN,
thinkpad_brightness_down, true))
aprint_error_dev(self, "couldn't register event handler\n");
}
static int
thinkpad_detach(device_t self, int flags)
{
struct thinkpad_softc *sc = device_private(self);
int i;
acpi_deregister_notify(sc->sc_node);
for (i = 0; i < TP_PSW_LAST; i++)
sysmon_pswitch_unregister(&sc->sc_smpsw[i]);
if (sc->sc_sme != NULL)
sysmon_envsys_unregister(sc->sc_sme);
pmf_device_deregister(self);
pmf_event_deregister(self, PMFE_DISPLAY_BRIGHTNESS_UP,
thinkpad_brightness_up, true);
pmf_event_deregister(self, PMFE_DISPLAY_BRIGHTNESS_DOWN,
thinkpad_brightness_down, true);
return 0;
}
static void
thinkpad_notify_handler(ACPI_HANDLE hdl, uint32_t notify, void *opaque)
{
device_t self = opaque;
thinkpad_softc_t *sc;
sc = device_private(self);
if (notify != 0x80) {
aprint_debug_dev(self, "unknown notify 0x%02x\n", notify);
return;
}
(void)AcpiOsExecute(OSL_NOTIFY_HANDLER, thinkpad_get_hotkeys, sc);
}
static void
thinkpad_get_hotkeys(void *opaque)
{
thinkpad_softc_t *sc = (thinkpad_softc_t *)opaque;
device_t self = sc->sc_dev;
ACPI_STATUS rv;
ACPI_INTEGER val;
int type, event;
for (;;) {
rv = acpi_eval_integer(sc->sc_node->ad_handle, "MHKP", &val);
if (ACPI_FAILURE(rv)) {
aprint_error_dev(self, "couldn't evaluate MHKP: %s\n",
AcpiFormatException(rv));
return;
}
if (val == 0)
return;
type = (val & 0xf000) >> 12;
event = val & 0x0fff;
if (type != 1)
/* Only type 1 events are supported for now */
continue;
switch (event) {
case THINKPAD_NOTIFY_BrightnessUp:
thinkpad_brightness_up(self);
#ifndef THINKPAD_NORMAL_HOTKEYS
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_BRIGHTNESS_UP],
PSWITCH_EVENT_PRESSED);
#endif
break;
case THINKPAD_NOTIFY_BrightnessDown:
thinkpad_brightness_down(self);
#ifndef THINKPAD_NORMAL_HOTKEYS
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_BRIGHTNESS_DOWN],
PSWITCH_EVENT_PRESSED);
#endif
break;
case THINKPAD_NOTIFY_WirelessSwitch:
thinkpad_uwb_toggle(sc);
thinkpad_wwan_toggle(sc);
thinkpad_bluetooth_toggle(sc);
#ifndef THINKPAD_NORMAL_HOTKEYS
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_WIRELESS_BUTTON],
PSWITCH_EVENT_PRESSED);
#endif
break;
case THINKPAD_NOTIFY_wWANSwitch:
thinkpad_wwan_toggle(sc);
#ifndef THINKPAD_NORMAL_HOTKEYS
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_WWAN_BUTTON],
PSWITCH_EVENT_PRESSED);
#endif
break;
case THINKPAD_NOTIFY_SleepButton:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_SLEEP],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_HibernateButton:
#if notyet
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_HIBERNATE],
PSWITCH_EVENT_PRESSED);
#endif
break;
case THINKPAD_NOTIFY_DisplayCycle:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(
&sc->sc_smpsw[TP_PSW_DISPLAY_CYCLE],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_LockScreen:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(
&sc->sc_smpsw[TP_PSW_LOCK_SCREEN],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_BatteryInfo:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(
&sc->sc_smpsw[TP_PSW_BATTERY_INFO],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_EjectButton:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(
&sc->sc_smpsw[TP_PSW_EJECT_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_Zoom:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(
&sc->sc_smpsw[TP_PSW_ZOOM_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_ThinkVantage:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(
&sc->sc_smpsw[TP_PSW_VENDOR_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
#ifndef THINKPAD_NORMAL_HOTKEYS
case THINKPAD_NOTIFY_FnF1:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_FNF1_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_PointerSwitch:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_POINTER_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_FnF11:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_FNF11_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_ThinkLight:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_THINKLIGHT],
PSWITCH_EVENT_PRESSED);
break;
/*
* For some reason the next four aren't seen on my T61.
*/
case THINKPAD_NOTIFY_FnF10:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_FNF10_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_VolumeUp:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_VOLUME_UP],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_VolumeDown:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_VOLUME_DOWN],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_VolumeMute:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_VOLUME_MUTE],
PSWITCH_EVENT_PRESSED);
break;
#else
case THINKPAD_NOTIFY_FnF1:
case THINKPAD_NOTIFY_PointerSwitch:
case THINKPAD_NOTIFY_FnF10:
case THINKPAD_NOTIFY_FnF11:
case THINKPAD_NOTIFY_ThinkLight:
case THINKPAD_NOTIFY_VolumeUp:
case THINKPAD_NOTIFY_VolumeDown:
case THINKPAD_NOTIFY_VolumeMute:
/* XXXJDM we should deliver hotkeys as keycodes */
break;
#endif /* THINKPAD_NORMAL_HOTKEYS */
default:
aprint_debug_dev(self, "notify event 0x%03x\n", event);
break;
}
}
}
static ACPI_STATUS
thinkpad_mask_init(thinkpad_softc_t *sc, uint32_t mask)
{
ACPI_OBJECT param[2];
ACPI_OBJECT_LIST params;
ACPI_STATUS rv;
int i;
/* Update hotkey mask */
params.Count = 2;
params.Pointer = param;
param[0].Type = param[1].Type = ACPI_TYPE_INTEGER;
for (i = 0; i < 32; i++) {
param[0].Integer.Value = i + 1;
param[1].Integer.Value = ((__BIT(i) & mask) != 0);
rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "MHKM",
¶ms, NULL);
if (ACPI_FAILURE(rv))
return rv;
}
/* Enable hotkey events */
rv = acpi_eval_set_integer(sc->sc_node->ad_handle, "MHKC", 1);
if (ACPI_FAILURE(rv)) {
aprint_error_dev(sc->sc_dev, "couldn't enable hotkeys: %s\n",
AcpiFormatException(rv));
return rv;
}
/* Claim ownership of brightness control */
(void)acpi_eval_set_integer(sc->sc_node->ad_handle, "PWMS", 0);
return AE_OK;
}
static void
thinkpad_sensors_init(thinkpad_softc_t *sc)
{
int i, j;
if (sc->sc_ecdev == NULL)
return; /* no chance of this working */
sc->sc_sme = sysmon_envsys_create();
for (i = j = 0; i < THINKPAD_NTEMPSENSORS; i++) {
sc->sc_sensor[i].units = ENVSYS_STEMP;
sc->sc_sensor[i].state = ENVSYS_SINVALID;
sc->sc_sensor[i].flags = ENVSYS_FHAS_ENTROPY;
(void)snprintf(sc->sc_sensor[i].desc,
sizeof(sc->sc_sensor[i].desc), "temperature %d", i);
if (sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[i]) != 0)
goto fail;
}
for (i = THINKPAD_NTEMPSENSORS; i < THINKPAD_NSENSORS; i++, j++) {
sc->sc_sensor[i].units = ENVSYS_SFANRPM;
sc->sc_sensor[i].state = ENVSYS_SINVALID;
sc->sc_sensor[i].flags = ENVSYS_FHAS_ENTROPY;
(void)snprintf(sc->sc_sensor[i].desc,
sizeof(sc->sc_sensor[i].desc), "fan speed %d", j);
if (sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[i]) != 0)
goto fail;
}
sc->sc_sme->sme_name = device_xname(sc->sc_dev);
sc->sc_sme->sme_cookie = sc;
sc->sc_sme->sme_refresh = thinkpad_sensors_refresh;
if (sysmon_envsys_register(sc->sc_sme) != 0)
goto fail;
return;
fail:
aprint_error_dev(sc->sc_dev, "failed to initialize sysmon\n");
sysmon_envsys_destroy(sc->sc_sme);
sc->sc_sme = NULL;
}
static void
thinkpad_sensors_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
{
switch (edata->units) {
case ENVSYS_STEMP:
thinkpad_temp_refresh(sme, edata);
break;
case ENVSYS_SFANRPM:
thinkpad_fan_refresh(sme, edata);
break;
default:
break;
}
}
static void
thinkpad_temp_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
{
thinkpad_softc_t *sc = sme->sme_cookie;
char sname[5] = "TMP?";
ACPI_INTEGER val;
ACPI_STATUS rv;
int temp;
sname[3] = '0' + edata->sensor;
rv = acpi_eval_integer(acpiec_get_handle(sc->sc_ecdev), sname, &val);
if (ACPI_FAILURE(rv)) {
edata->state = ENVSYS_SINVALID;
return;
}
temp = (int)val;
if (temp > 127 || temp < -127) {
edata->state = ENVSYS_SINVALID;
return;
}
edata->value_cur = temp * 1000000 + 273150000;
edata->state = ENVSYS_SVALID;
}
static void
thinkpad_fan_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
{
thinkpad_softc_t *sc = sme->sme_cookie;
ACPI_INTEGER lo;
ACPI_INTEGER hi;
ACPI_STATUS rv;
int rpm;
/*
* Read the low byte first to avoid a firmware bug.
*/
rv = acpiec_bus_read(sc->sc_ecdev, 0x84, &lo, 1);
if (ACPI_FAILURE(rv)) {
edata->state = ENVSYS_SINVALID;
return;
}
rv = acpiec_bus_read(sc->sc_ecdev, 0x85, &hi, 1);
if (ACPI_FAILURE(rv)) {
edata->state = ENVSYS_SINVALID;
return;
}
rpm = ((((int)hi) << 8) | ((int)lo));
if (rpm < 0) {
edata->state = ENVSYS_SINVALID;
return;
}
edata->value_cur = rpm;
edata->state = ENVSYS_SVALID;
}
static void
thinkpad_bluetooth_toggle(thinkpad_softc_t *sc)
{
ACPI_BUFFER buf;
ACPI_OBJECT retobj;
ACPI_OBJECT param[1];
ACPI_OBJECT_LIST params;
ACPI_STATUS rv;
/* Ignore return value, as the hardware may not support bluetooth */
rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "BTGL", NULL, NULL);
if (!ACPI_FAILURE(rv))
return;
buf.Pointer = &retobj;
buf.Length = sizeof(retobj);
rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GBDC", NULL, &buf);
if (ACPI_FAILURE(rv))
return;
params.Count = 1;
params.Pointer = param;
param[0].Type = ACPI_TYPE_INTEGER;
param[0].Integer.Value =
(retobj.Integer.Value & THINKPAD_BLUETOOTH_RADIOSSW) == 0
? THINKPAD_BLUETOOTH_RADIOSSW | THINKPAD_BLUETOOTH_RESUMECTRL
: 0;
(void)AcpiEvaluateObject(sc->sc_node->ad_handle, "SBDC", ¶ms, NULL);
}
static void
thinkpad_wwan_toggle(thinkpad_softc_t *sc)
{
ACPI_BUFFER buf;
ACPI_OBJECT retobj;
ACPI_OBJECT param[1];
ACPI_OBJECT_LIST params;
ACPI_STATUS rv;
buf.Pointer = &retobj;
buf.Length = sizeof(retobj);
rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GWAN", NULL, &buf);
if (ACPI_FAILURE(rv))
return;
params.Count = 1;
params.Pointer = param;
param[0].Type = ACPI_TYPE_INTEGER;
param[0].Integer.Value =
(retobj.Integer.Value & THINKPAD_WWAN_RADIOSSW) == 0
? THINKPAD_WWAN_RADIOSSW | THINKPAD_WWAN_RESUMECTRL
: 0;
(void)AcpiEvaluateObject(sc->sc_node->ad_handle, "SWAN", ¶ms, NULL);
}
static void
thinkpad_uwb_toggle(thinkpad_softc_t *sc)
{
ACPI_BUFFER buf;
ACPI_OBJECT retobj;
ACPI_OBJECT param[1];
ACPI_OBJECT_LIST params;
ACPI_STATUS rv;
buf.Pointer = &retobj;
buf.Length = sizeof(retobj);
rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GUWB", NULL, &buf);
if (ACPI_FAILURE(rv))
return;
params.Count = 1;
params.Pointer = param;
param[0].Type = ACPI_TYPE_INTEGER;
param[0].Integer.Value =
(retobj.Integer.Value & THINKPAD_UWB_RADIOSSW) == 0
? THINKPAD_UWB_RADIOSSW
: 0;
(void)AcpiEvaluateObject(sc->sc_node->ad_handle, "SUWB", ¶ms, NULL);
}
static uint8_t
thinkpad_brightness_read(thinkpad_softc_t *sc)
{
uint32_t val = 0;
AcpiOsWritePort(IO_RTC, 0x6c, 8);
AcpiOsReadPort(IO_RTC + 1, &val, 8);
return val & 7;
}
static void
thinkpad_brightness_up(device_t self)
{
thinkpad_softc_t *sc = device_private(self);
if (thinkpad_brightness_read(sc) == 7)
return;
thinkpad_cmos(sc, THINKPAD_CMOS_BRIGHTNESS_UP);
}
static void
thinkpad_brightness_down(device_t self)
{
thinkpad_softc_t *sc = device_private(self);
if (thinkpad_brightness_read(sc) == 0)
return;
thinkpad_cmos(sc, THINKPAD_CMOS_BRIGHTNESS_DOWN);
}
static void
thinkpad_cmos(thinkpad_softc_t *sc, uint8_t cmd)
{
ACPI_STATUS rv;
if (sc->sc_cmoshdl == NULL)
return;
rv = acpi_eval_set_integer(sc->sc_cmoshdl, NULL, cmd);
if (ACPI_FAILURE(rv))
aprint_error_dev(sc->sc_dev, "couldn't evaluate CMOS: %s\n",
AcpiFormatException(rv));
}
static bool
thinkpad_resume(device_t dv, const pmf_qual_t *qual)
{
thinkpad_softc_t *sc = device_private(dv);
if (sc->sc_powhdl == NULL)
return true;
(void)acpi_power_res(sc->sc_powhdl, sc->sc_node->ad_handle, true);
return true;
}
MODULE(MODULE_CLASS_DRIVER, thinkpad, "sysmon_envsys,sysmon_power");
#ifdef _MODULE
#include "ioconf.c"
#endif
static int
thinkpad_modcmd(modcmd_t cmd, void *aux)
{
int rv = 0;
switch (cmd) {
case MODULE_CMD_INIT:
#ifdef _MODULE
rv = config_init_component(cfdriver_ioconf_thinkpad,
cfattach_ioconf_thinkpad, cfdata_ioconf_thinkpad);
#endif
break;
case MODULE_CMD_FINI:
#ifdef _MODULE
rv = config_fini_component(cfdriver_ioconf_thinkpad,
cfattach_ioconf_thinkpad, cfdata_ioconf_thinkpad);
#endif
break;
default:
rv = ENOTTY;
}
return rv;
}
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