/* $NetBSD: thinkpad_acpi.c,v 1.57 2024/04/27 14:50:18 christos Exp $ */

/* $NetBSD: thinkpad_acpi.c,v 1.57 2024/04/27 14:50:18 christos Exp $ */

/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
* 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 1.57 2024/04/27 14:50:18 christos Exp $");

#include <sys/param.h>
#include <sys/device.h>
#include <sys/module.h>
#include <sys/sdt.h>
#include <sys/systm.h>
#include <sys/sysctl.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 tp_sysctl_param {
device_t sp_dev;
int sp_bat;
} tp_sysctl_param_t;

typedef union tp_batctl {
int have_any;
struct {
int charge_start:1;
int charge_stop:1;
int charge_inhibit:1;
int force_discharge:1;
int individual_control:1;
} have;
} tp_batctl_t;

typedef struct thinkpad_softc {
device_t sc_dev;
device_t sc_ecdev;
struct acpi_devnode *sc_node;
struct sysctllog *sc_log;
ACPI_HANDLE sc_powhdl;
ACPI_HANDLE sc_cmoshdl;
ACPI_INTEGER sc_ver;

#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_STAR_BUTTON 20
#define TP_PSW_SCISSORS_BUTTON 21
#define TP_PSW_BLUETOOTH_BUTTON 22
#define TP_PSW_KEYBOARD_BUTTON 23
#define TP_PSW_LAST 24

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;

#define THINKPAD_BAT_ANY 0
#define THINKPAD_BAT_PRIMARY 1
#define THINKPAD_BAT_SECONDARY 2
#define THINKPAD_BAT_LAST 3

tp_batctl_t sc_batctl;
tp_sysctl_param_t sc_scparam[THINKPAD_BAT_LAST];
} 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_NOTIFY_Star 0x311
#define THINKPAD_NOTIFY_Scissors 0x312
#define THINKPAD_NOTIFY_Bluetooth 0x314
#define THINKPAD_NOTIFY_Keyboard 0x315

#define THINKPAD_CMOS_BRIGHTNESS_UP 0x04
#define THINKPAD_CMOS_BRIGHTNESS_DOWN 0x05

#define THINKPAD_HKEY_VERSION_1 0x0100
#define THINKPAD_HKEY_VERSION_2 0x0200

#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_GET_CHARGE_START "BCTG"
#define THINKPAD_SET_CHARGE_START "BCCS"
#define THINKPAD_GET_CHARGE_STOP "BCSG"
#define THINKPAD_SET_CHARGE_STOP "BCSS"
#define THINKPAD_GET_FORCE_DISCHARGE "BDSG"
#define THINKPAD_SET_FORCE_DISCHARGE "BDSS"
#define THINKPAD_GET_CHARGE_INHIBIT "BICG"
#define THINKPAD_SET_CHARGE_INHIBIT "BICS"

#define THINKPAD_CALL_ERROR 0x80000000

#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 *);
static void thinkpad_cmos(thinkpad_softc_t *, uint8_t);

static void thinkpad_battery_probe_support(device_t);
static void thinkpad_battery_sysctl_setup(device_t);

CFATTACH_DECL3_NEW(thinkpad, sizeof(thinkpad_softc_t),
thinkpad_match, thinkpad_attach, thinkpad_detach, NULL, NULL, NULL,
0);

static const struct device_compatible_entry compat_data[] = {
{ .compat = "IBM0068" },
{ .compat = "LEN0068" },
{ .compat = "LEN0268" },
DEVICE_COMPAT_EOL
};

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;
int ret;

ret = acpi_compatible_match(aa, compat_data);
if (ret == 0)
return 0;

/* We only support hotkey versions 0x0100 and 0x0200 */
if (ACPI_FAILURE(acpi_eval_integer(aa->aa_node->ad_handle, "MHKV",
&ver)))
return 0;

switch (ver) {
case THINKPAD_HKEY_VERSION_1:
case THINKPAD_HKEY_VERSION_2:
break;
default:
return 0;
}

/* Cool, looks like we're good to go */
return ret;
}

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_log = NULL;
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));

/* Query the version number */
rv = acpi_eval_integer(aa->aa_node->ad_handle, "MHKV", &sc->sc_ver);
if (ACPI_FAILURE(rv)) {
aprint_error_dev(self, "couldn't evaluate MHKV: %s\n",
AcpiFormatException(rv));
goto fail;
}
aprint_normal_dev(self, "version %04x\n", (unsigned)sc->sc_ver);

/* Get the supported event mask */
switch (sc->sc_ver) {
case THINKPAD_HKEY_VERSION_1:
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;
}
break;
case THINKPAD_HKEY_VERSION_2: {
ACPI_OBJECT args[1] = {
[0] = { .Integer = {
.Type = ACPI_TYPE_INTEGER,
.Value = 1, /* hotkey events */
} },
};
ACPI_OBJECT_LIST arglist = {
.Count = __arraycount(args),
.Pointer = args,
};
ACPI_OBJECT ret;
ACPI_BUFFER buf = { .Pointer = &ret, .Length = sizeof(ret) };

rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "MHKA",
&arglist, &buf);
if (ACPI_FAILURE(rv)) {
aprint_error_dev(self, "couldn't evaluate MHKA(1):"
" %s\n",
AcpiFormatException(rv));
goto fail;
}
if (buf.Length == 0 || ret.Type != ACPI_TYPE_INTEGER) {
aprint_error_dev(self, "failed to evaluate MHKA(1)\n");
goto fail;
}
val = ret.Integer.Value;
break;
}
default:
panic("%s: invalid version %jd", device_xname(self),
(intmax_t)sc->sc_ver);
}

/* 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;
psw[TP_PSW_STAR_BUTTON].smpsw_name = PSWITCH_HK_STAR_BUTTON;
psw[TP_PSW_SCISSORS_BUTTON].smpsw_name = PSWITCH_HK_SCISSORS_BUTTON;
psw[TP_PSW_BLUETOOTH_BUTTON].smpsw_name = PSWITCH_HK_BLUETOOTH_BUTTON;
psw[TP_PSW_KEYBOARD_BUTTON].smpsw_name = PSWITCH_HK_KEYBOARD_BUTTON;
#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);

/* Probe supported battery charge/control operations */
thinkpad_battery_probe_support(self);

if (sc->sc_batctl.have_any) {
for (i = 0; i < THINKPAD_BAT_LAST; i++) {
sc->sc_scparam[i].sp_dev = self;
sc->sc_scparam[i].sp_bat = i;
}
thinkpad_battery_sysctl_setup(self);
}

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);

if (sc->sc_log != NULL)
sysctl_teardown(&sc->sc_log);

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);
}

SDT_PROBE_DEFINE2(sdt, thinkpad, hotkey, MHKP,
"struct thinkpad_softc *"/*sc*/,
"ACPI_INTEGER"/*val*/);

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;
}
SDT_PROBE2(sdt, thinkpad, hotkey, MHKP, sc, val);

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_Bluetooth:
thinkpad_bluetooth_toggle(sc);
#ifndef THINKPAD_NORMAL_HOTKEYS
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_BLUETOOTH_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;
case THINKPAD_NOTIFY_Star:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_STAR_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_Scissors:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_SCISSORS_BUTTON],
PSWITCH_EVENT_PRESSED);
break;
case THINKPAD_NOTIFY_Keyboard:
if (sc->sc_smpsw_valid == false)
break;
sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_KEYBOARD_BUTTON],
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:
case THINKPAD_NOTIFY_Star:
case THINKPAD_NOTIFY_Scissors:
case THINKPAD_NOTIFY_Keyboard:
/* 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",
&params, 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", &params, 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", &params, 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", &params, 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 uint32_t
thinkpad_call_method(device_t self, const char *path, uint32_t arg)
{
thinkpad_softc_t *sc = device_private(self);
ACPI_HANDLE handle = sc->sc_node->ad_handle;
ACPI_OBJECT args[1];
ACPI_OBJECT_LIST arg_list;
ACPI_OBJECT rval;
ACPI_BUFFER buf;
ACPI_STATUS rv;

args[0].Type = ACPI_TYPE_INTEGER;
args[0].Integer.Value = arg;
arg_list.Pointer = &args[0];
arg_list.Count = __arraycount(args);

memset(&rval, 0, sizeof rval);
buf.Pointer = &rval;
buf.Length = sizeof rval;

rv = AcpiEvaluateObjectTyped(handle, path, &arg_list, &buf,
ACPI_TYPE_INTEGER);

if (ACPI_FAILURE(rv)) {
aprint_error_dev(self, "call %s.%s(%x) failed: %s\n",
acpi_name(handle), path, (unsigned)arg,
AcpiFormatException(rv));
return THINKPAD_CALL_ERROR;
}

return rval.Integer.Value;
}

static void
thinkpad_battery_probe_support(device_t self)
{
thinkpad_softc_t *sc = device_private(self);
ACPI_HANDLE hdl = sc->sc_node->ad_handle, tmp;
ACPI_STATUS rv;
uint32_t val;

sc->sc_batctl.have_any = 0;

rv = AcpiGetHandle(hdl, THINKPAD_GET_CHARGE_START, &tmp);
if (ACPI_SUCCESS(rv)) {
val = thinkpad_call_method(self, THINKPAD_GET_CHARGE_START,
THINKPAD_BAT_PRIMARY);
if (!(val & THINKPAD_CALL_ERROR) && (val & 0x100)) {
sc->sc_batctl.have.charge_start = 1;
if (val & 0x200)
sc->sc_batctl.have.individual_control = 1;
}
}

rv = AcpiGetHandle(hdl, THINKPAD_GET_CHARGE_STOP, &tmp);
if (ACPI_SUCCESS(rv)) {
val = thinkpad_call_method(self, THINKPAD_GET_CHARGE_STOP,
THINKPAD_BAT_PRIMARY);
if (!(val & THINKPAD_CALL_ERROR) && (val & 0x100))
sc->sc_batctl.have.charge_stop = 1;
}

rv = AcpiGetHandle(hdl, THINKPAD_GET_FORCE_DISCHARGE, &tmp);
if (ACPI_SUCCESS(rv)) {
val = thinkpad_call_method(self, THINKPAD_GET_FORCE_DISCHARGE,
THINKPAD_BAT_PRIMARY);
if (!(val & THINKPAD_CALL_ERROR) && (val & 0x100))
sc->sc_batctl.have.force_discharge = 1;
}

rv = AcpiGetHandle(hdl, THINKPAD_GET_CHARGE_INHIBIT, &tmp);
if (ACPI_SUCCESS(rv)) {
val = thinkpad_call_method(self, THINKPAD_GET_CHARGE_INHIBIT,
THINKPAD_BAT_PRIMARY);
if (!(val & THINKPAD_CALL_ERROR) && (val & 0x20))
sc->sc_batctl.have.charge_inhibit = 1;
}

if (sc->sc_batctl.have_any)
aprint_verbose_dev(self, "battery control capabilities: %x\n",
sc->sc_batctl.have_any);
}

static int
thinkpad_battery_sysctl_charge_start(SYSCTLFN_ARGS)
{
struct sysctlnode node = *rnode;
tp_sysctl_param_t *sp = node.sysctl_data;
int charge_start;
int err;

charge_start = thinkpad_call_method(sp->sp_dev,
THINKPAD_GET_CHARGE_START, sp->sp_bat) & 0xff;

node.sysctl_data = &charge_start;
err = sysctl_lookup(SYSCTLFN_CALL(&node));
if (err || newp == NULL)
return err;

if (charge_start < 0 || charge_start > 99)
return EINVAL;

if (thinkpad_call_method(sp->sp_dev, THINKPAD_SET_CHARGE_START,
charge_start | sp->sp_bat<<8) & THINKPAD_CALL_ERROR)
return EIO;

return 0;
}

static int
thinkpad_battery_sysctl_charge_stop(SYSCTLFN_ARGS)
{
struct sysctlnode node = *rnode;
tp_sysctl_param_t *sp = node.sysctl_data;
int charge_stop;
int err;

charge_stop = thinkpad_call_method(sp->sp_dev,
THINKPAD_GET_CHARGE_STOP, sp->sp_bat) & 0xff;

if (charge_stop == 0)
charge_stop = 100;

node.sysctl_data = &charge_stop;
err = sysctl_lookup(SYSCTLFN_CALL(&node));
if (err || newp == NULL)
return err;

if (charge_stop < 1 || charge_stop > 100)
return EINVAL;

if (charge_stop == 100)
charge_stop = 0;

if (thinkpad_call_method(sp->sp_dev, THINKPAD_SET_CHARGE_STOP,
charge_stop | sp->sp_bat<<8) & THINKPAD_CALL_ERROR)
return EIO;

return 0;
}

static int
thinkpad_battery_sysctl_charge_inhibit(SYSCTLFN_ARGS)
{
struct sysctlnode node = *rnode;
tp_sysctl_param_t *sp = node.sysctl_data;
bool charge_inhibit;
int err;

charge_inhibit = thinkpad_call_method(sp->sp_dev,
THINKPAD_GET_CHARGE_INHIBIT, sp->sp_bat) & 0x01;

node.sysctl_data = &charge_inhibit;
err = sysctl_lookup(SYSCTLFN_CALL(&node));
if (err || newp == NULL)
return err;

if (thinkpad_call_method(sp->sp_dev, THINKPAD_SET_CHARGE_INHIBIT,
charge_inhibit | sp->sp_bat<<4 | 0xffff<<8) & THINKPAD_CALL_ERROR)
return EIO;

return 0;
}

static int
thinkpad_battery_sysctl_force_discharge(SYSCTLFN_ARGS)
{
struct sysctlnode node = *rnode;
tp_sysctl_param_t *sp = node.sysctl_data;
bool force_discharge;
int err;

force_discharge = thinkpad_call_method(sp->sp_dev,
THINKPAD_GET_FORCE_DISCHARGE, sp->sp_bat) & 0x01;

node.sysctl_data = &force_discharge;
err = sysctl_lookup(SYSCTLFN_CALL(&node));
if (err || newp == NULL)
return err;

if (thinkpad_call_method(sp->sp_dev, THINKPAD_SET_FORCE_DISCHARGE,
force_discharge | sp->sp_bat<<8) & THINKPAD_CALL_ERROR)
return EIO;

return 0;
}

static void
thinkpad_battery_sysctl_setup_controls(device_t self,
const struct sysctlnode *rnode, int battery)
{
thinkpad_softc_t *sc = device_private(self);

if (sc->sc_batctl.have.charge_start)
(void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL,
CTLFLAG_READWRITE, CTLTYPE_INT, "charge_start",
SYSCTL_DESCR("charge start threshold (0-99)"),
thinkpad_battery_sysctl_charge_start, 0,
(void *)&(sc->sc_scparam[battery]), 0,
CTL_CREATE, CTL_EOL);

if (sc->sc_batctl.have.charge_stop)
(void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL,
CTLFLAG_READWRITE, CTLTYPE_INT, "charge_stop",
SYSCTL_DESCR("charge stop threshold (1-100)"),
thinkpad_battery_sysctl_charge_stop, 0,
(void *)&(sc->sc_scparam[battery]), 0,
CTL_CREATE, CTL_EOL);

if (sc->sc_batctl.have.charge_inhibit)
(void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL,
CTLFLAG_READWRITE, CTLTYPE_BOOL, "charge_inhibit",
SYSCTL_DESCR("charge inhibit"),
thinkpad_battery_sysctl_charge_inhibit, 0,
(void *)&(sc->sc_scparam[battery]), 0,
CTL_CREATE, CTL_EOL);

if (sc->sc_batctl.have.force_discharge)
(void)sysctl_createv(&sc->sc_log, 0, &rnode, NULL,
CTLFLAG_READWRITE, CTLTYPE_BOOL, "force_discharge",
SYSCTL_DESCR("force discharge"),
thinkpad_battery_sysctl_force_discharge, 0,
(void *)&(sc->sc_scparam[battery]), 0,
CTL_CREATE, CTL_EOL);
}

static void
thinkpad_battery_sysctl_setup(device_t self)
{
thinkpad_softc_t *sc = device_private(self);
const struct sysctlnode *rnode, *cnode;
int err;

err = sysctl_createv(&sc->sc_log, 0, NULL, &rnode,
0, CTLTYPE_NODE, "acpi", NULL,
NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL);
if (err)
goto fail;

err = sysctl_createv(&sc->sc_log, 0, &rnode, &rnode,
0, CTLTYPE_NODE, device_xname(self),
SYSCTL_DESCR("ThinkPad ACPI controls"),
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (err)
goto fail;

if (sc->sc_batctl.have.individual_control) {
err = sysctl_createv(&sc->sc_log, 0, &rnode, &cnode,
0, CTLTYPE_NODE, "bat0",
SYSCTL_DESCR("battery charge controls (primary battery)"),
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (err)
goto fail;

thinkpad_battery_sysctl_setup_controls(self, cnode,
THINKPAD_BAT_PRIMARY);

err = sysctl_createv(&sc->sc_log, 0, &rnode, &cnode,
0, CTLTYPE_NODE, "bat1",
SYSCTL_DESCR("battery charge controls (secondary battery)"),
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (err)
goto fail;

thinkpad_battery_sysctl_setup_controls(self, cnode,
THINKPAD_BAT_SECONDARY);
} else {
err = sysctl_createv(&sc->sc_log, 0, &rnode, &cnode,
0, CTLTYPE_NODE, "bat",
SYSCTL_DESCR("battery charge controls"),
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (err)
goto fail;

thinkpad_battery_sysctl_setup_controls(self, cnode,
THINKPAD_BAT_ANY);
}

return;

fail:
aprint_error_dev(self, "unable to add sysctl nodes (%d)\n", err);
}

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;
}