/* $NetBSD: wmi_hp.c,v 1.11 2018/06/06 01:49:08 maya Exp $ */
/*-
* Copyright (c) 2009, 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* 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 AUTHOR 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 AUTHOR 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.
*/
/*-
* Copyright (c) 2009 Michael Gmelin <
[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 AUTHOR 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 AUTHOR 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: wmi_hp.c,v 1.11 2018/06/06 01:49:08 maya Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/kmem.h>
#include <sys/module.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/wmi/wmi_acpivar.h>
#include <dev/sysmon/sysmonvar.h>
#include <sys/sysctl.h>
/*
* HP CMI whitepaper:
*
http://h20331.www2.hp.com/Hpsub/downloads/cmi_whitepaper.pdf
*/
#define _COMPONENT ACPI_RESOURCE_COMPONENT
ACPI_MODULE_NAME ("wmi_hp")
#define WMI_HP_METHOD_ARG_READ 0x01
#define WMI_HP_METHOD_ARG_WRITE 0x02
#define WMI_HP_METHOD_ARG_WRITE_SIZE 0x04
#define WMI_HP_METHOD_ARG_MAGIC 0x55434553
#define WMI_HP_METHOD_ARG_SIZE 0x05 * sizeof(uint32_t)
#define WMI_HP_METHOD_CMD_DISPLAY 0x01
#define WMI_HP_METHOD_CMD_HDDTEMP 0x02
#define WMI_HP_METHOD_CMD_ALS 0x03
#define WMI_HP_METHOD_CMD_DOCK 0x04
#define WMI_HP_METHOD_CMD_SWITCH 0x05
#define WMI_HP_METHOD_CMD_HOTKEY 0x0C
#define WMI_HP_EVENT_DOCK 0x01
#define WMI_HP_EVENT_HOTKEY 0x04
#define WMI_HP_EVENT_SWITCH 0x05
/* WMI_HP_EVENT_UNKNOWN 0xXX */
#define WMI_HP_HOTKEY_BRIGHTNESS_UP 0x02
#define WMI_HP_HOTKEY_BRIGHTNESS_DOWN 0x03
#define WMI_HP_HOTKEY_PROG1 0x20e6
#define WMI_HP_HOTKEY_MEDIA1 0x20e8
#define WMI_HP_HOTKEY_MEDIA2 0x2142
#define WMI_HP_HOTKEY_INFO 0x213b
#define WMI_HP_HOTKEY_DIRECTION 0x2169
#define WMI_HP_HOTKEY_HELP 0x231b
/* WMI_HP_HOTKEY_UNKNOWN 0xXX */
#define WMI_HP_SWITCH_WLAN 0x01
#define WMI_HP_SWITCH_BT 0x02
#define WMI_HP_SWITCH_WWAN 0x04
#define WMI_HP_SWITCH_ARG_WLAN_OFF 0x100
#define WMI_HP_SWITCH_ARG_WLAN_ON 0x101
#define WMI_HP_SWITCH_ARG_BT_OFF 0x200
#define WMI_HP_SWITCH_ARG_BT_ON 0x202
#define WMI_HP_SWITCH_ARG_WWAN_OFF 0x400
#define WMI_HP_SWITCH_ARG_WWAN_ON 0x404
#define WMI_HP_SWITCH_MASK_WLAN_ONAIR __BIT(8)
#define WMI_HP_SWITCH_MASK_WLAN_ENABLED __BIT(9)
#define WMI_HP_SWITCH_MASK_WLAN_RADIO __BIT(11)
#define WMI_HP_SWITCH_MASK_BT_ONAIR __BIT(16)
#define WMI_HP_SWITCH_MASK_BT_ENABLED __BIT(17)
#define WMI_HP_SWITCH_MASK_BT_RADIO __BIT(19)
#define WMI_HP_SWITCH_MASK_WWAN_ONAIR __BIT(24)
#define WMI_HP_SWITCH_MASK_WWAN_ENABLED __BIT(25)
#define WMI_HP_SWITCH_MASK_WWAN_RADIO __BIT(27)
#define WMI_HP_GUID_EVENT "95F24279-4D7B-4334-9387-ACCDC67EF61C"
#define WMI_HP_GUID_METHOD "5FB7F034-2C63-45E9-BE91-3D44E2C707E4"
#define WMI_HP_GUID_CMI "2D114B49-2DFB-4130-B8FE-4A3C09E75133"
#define WMI_HP_SENSOR_WLAN 0
#define WMI_HP_SENSOR_BT 1
#define WMI_HP_SENSOR_WWAN 2
#define WMI_HP_SENSOR_HDDTEMP 3
#define WMI_HP_SENSOR_DISPLAY 4
#define WMI_HP_SENSOR_DOCK 5
#define WMI_HP_SENSOR_COUNT 6
#define WMI_HP_SENSOR_SIZE WMI_HP_SENSOR_COUNT * sizeof(envsys_data_t)
#define ACPI_HP_CMI_PATHS 0x01
#define ACPI_HP_CMI_ENUMS 0x02
#define ACPI_HP_CMI_FLAGS 0x04
#define ACPI_HP_CMI_MAX_INSTANCE 0x08
struct wmi_hp_softc {
device_t sc_dev;
device_t sc_parent;
struct sysmon_envsys *sc_sme;
envsys_data_t *sc_sensor;
uint32_t *sc_arg;
uint32_t sc_val;
};
static int wmi_hp_match(device_t, cfdata_t, void *);
static void wmi_hp_attach(device_t, device_t, void *);
static int wmi_hp_detach(device_t, int);
static bool wmi_hp_suspend(device_t, const pmf_qual_t *);
static bool wmi_hp_resume(device_t, const pmf_qual_t *);
static void wmi_hp_notify_handler(ACPI_HANDLE, uint32_t, void *);
static void wmi_hp_hotkey(void *);
static bool wmi_hp_method(struct wmi_hp_softc *);
static bool wmi_hp_method_read(struct wmi_hp_softc *, uint8_t);
static bool wmi_hp_method_write(struct wmi_hp_softc *, uint8_t, uint32_t);
static void wmi_hp_sensor_init(struct wmi_hp_softc *);
static void wmi_hp_sensor_switch_update(void *);
static void wmi_hp_sensor_refresh(struct sysmon_envsys *, envsys_data_t *);
static void sysctl_wmi_hp_setup(struct wmi_hp_softc *);
static int sysctl_wmi_hp_set_als(SYSCTLFN_PROTO);
static struct sysctllog *wmihp_sysctllog = NULL;
static int wmihp_als = 0;
static struct wmi_hp_softc *wmi_hp_sc = NULL; /* XXX */
CFATTACH_DECL_NEW(wmihp, sizeof(struct wmi_hp_softc),
wmi_hp_match, wmi_hp_attach, wmi_hp_detach, NULL);
static int
wmi_hp_match(device_t parent, cfdata_t match, void *aux)
{
return acpi_wmi_guid_match(parent, WMI_HP_GUID_METHOD);
}
static void
wmi_hp_attach(device_t parent, device_t self, void *aux)
{
struct wmi_hp_softc *sc = device_private(self);
ACPI_STATUS rv = AE_ERROR;
sc->sc_dev = self;
sc->sc_parent = parent;
sc->sc_sme = NULL;
sc->sc_sensor = NULL;
sc->sc_arg = kmem_alloc(WMI_HP_METHOD_ARG_SIZE, KM_SLEEP);
aprint_naive("\n");
aprint_normal(": HP WMI mappings\n");
(void)pmf_device_register(sc->sc_dev, wmi_hp_suspend, wmi_hp_resume);
if (acpi_wmi_guid_match(parent, WMI_HP_GUID_EVENT) != 0)
rv = acpi_wmi_event_register(parent, wmi_hp_notify_handler);
if (ACPI_FAILURE(rv))
return;
sc->sc_sensor = kmem_alloc(WMI_HP_SENSOR_SIZE, KM_SLEEP);
wmi_hp_sc = sc; /* XXX Can I pass sc as a cookie to sysctl? */
wmi_hp_sensor_init(sc);
sysctl_wmi_hp_setup(sc);
}
static int
wmi_hp_detach(device_t self, int flags)
{
struct wmi_hp_softc *sc = device_private(self);
device_t parent = sc->sc_parent;
(void)acpi_wmi_event_deregister(parent);
if (sc->sc_sme != NULL)
sysmon_envsys_unregister(sc->sc_sme);
if (sc->sc_sensor != NULL)
kmem_free(sc->sc_sensor, WMI_HP_SENSOR_SIZE);
if (sc->sc_arg != NULL)
kmem_free(sc->sc_arg, WMI_HP_METHOD_ARG_SIZE);
pmf_device_deregister(self);
if (wmihp_sysctllog != NULL)
sysctl_teardown(&wmihp_sysctllog);
wmihp_sysctllog = NULL;
wmi_hp_sc = NULL;
return 0;
}
static bool
wmi_hp_suspend(device_t self, const pmf_qual_t *qual)
{
struct wmi_hp_softc *sc = device_private(self);
device_t parent = sc->sc_parent;
if (sc->sc_sensor != NULL)
(void)acpi_wmi_event_deregister(parent);
return true;
}
static bool
wmi_hp_resume(device_t self, const pmf_qual_t *qual)
{
struct wmi_hp_softc *sc = device_private(self);
device_t parent = sc->sc_parent;
if (sc->sc_sensor != NULL)
(void)acpi_wmi_event_register(parent, wmi_hp_notify_handler);
return true;
}
static void
wmi_hp_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux)
{
static const int handler = OSL_NOTIFY_HANDLER;
struct wmi_hp_softc *sc;
device_t self = aux;
ACPI_OBJECT *obj;
ACPI_BUFFER buf;
ACPI_STATUS rv;
uint32_t val;
buf.Pointer = NULL;
sc = device_private(self);
rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf);
if (ACPI_FAILURE(rv))
goto out;
obj = buf.Pointer;
if (obj->Type != ACPI_TYPE_BUFFER) {
rv = AE_TYPE;
goto out;
}
if (obj->Buffer.Length != 8) {
rv = AE_LIMIT;
goto out;
}
val = *((uint8_t *)obj->Buffer.Pointer);
if (val == 0x00) {
rv = AE_BAD_DATA;
goto out;
}
switch (val) {
case WMI_HP_EVENT_SWITCH:
rv = AcpiOsExecute(handler, wmi_hp_sensor_switch_update, self);
break;
case WMI_HP_EVENT_HOTKEY:
rv = AcpiOsExecute(handler, wmi_hp_hotkey, self);
break;
case WMI_HP_EVENT_DOCK: /* FALLTHROUGH */
default:
aprint_debug_dev(sc->sc_dev, "unknown event 0x%02X\n", evt);
break;
}
out:
if (buf.Pointer != NULL)
ACPI_FREE(buf.Pointer);
if (ACPI_FAILURE(rv))
aprint_error_dev(sc->sc_dev, "failed to get data for "
"event 0x%02X: %s\n", evt, AcpiFormatException(rv));
}
static void
wmi_hp_hotkey(void *aux)
{
struct wmi_hp_softc *sc;
device_t self = aux;
sc = device_private(self);
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_HOTKEY) != true)
return;
switch (sc->sc_val) {
case WMI_HP_HOTKEY_BRIGHTNESS_UP:
pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP);
break;
case WMI_HP_HOTKEY_BRIGHTNESS_DOWN:
pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN);
break;
case WMI_HP_HOTKEY_PROG1:
aprint_debug_dev(self, "PROG1 hotkey pressed\n");
break;
case WMI_HP_HOTKEY_MEDIA1:
aprint_debug_dev(self, "MEDIA1 hotkey pressed\n");
break;
case WMI_HP_HOTKEY_MEDIA2:
aprint_debug_dev(self, "MEDIA2 hotkey pressed\n");
break;
case WMI_HP_HOTKEY_INFO:
aprint_debug_dev(self, "INFO hotkey pressed\n");
break;
case WMI_HP_HOTKEY_DIRECTION:
aprint_debug_dev(self, "DIRECTION hotkey pressed\n");
break;
case WMI_HP_HOTKEY_HELP:
aprint_debug_dev(self, "HELP hotkey pressed\n");
break;
default:
aprint_debug_dev(self, "unknown hotkey 0x%02x\n", sc->sc_val);
break;
}
}
static bool
wmi_hp_method(struct wmi_hp_softc *sc)
{
ACPI_BUFFER ibuf, obuf;
ACPI_STATUS rv = AE_OK;
ACPI_OBJECT *obj;
uint32_t cmd, *val;
cmd = sc->sc_arg[2];
KDASSERT(cmd != 0);
KDASSERT(sc->sc_arg[0] == WMI_HP_METHOD_ARG_MAGIC);
obuf.Pointer = NULL;
ibuf.Pointer = sc->sc_arg;
ibuf.Length = WMI_HP_METHOD_ARG_SIZE;
rv = acpi_wmi_method(sc->sc_parent,
WMI_HP_GUID_METHOD, 0, 3, &ibuf, &obuf);
if (ACPI_FAILURE(rv))
goto out;
obj = obuf.Pointer;
if (obj->Type != ACPI_TYPE_BUFFER) {
rv = AE_TYPE;
goto out;
}
/*
* val[0] unknown
* val[1] error code
* val[2] return value
*/
val = (uint32_t *)obj->Buffer.Pointer;
sc->sc_val = val[2];
switch (val[1]) {
case 0: /* Ok. */
break;
case 2: /* wrong signature */
rv = AE_ERROR;
aprint_debug_dev(sc->sc_dev, "wrong signature "
"(cmd = 0x%02X): %s\n", cmd, AcpiFormatException(rv));
break;
case 3: /* unknown command */
rv = AE_ERROR;
aprint_debug_dev(sc->sc_dev, "unknown command "
"(cmd = 0x%02X): %s\n", cmd, AcpiFormatException(rv));
break;
case 4: /* unknown command type */
rv = AE_ERROR;
aprint_debug_dev(sc->sc_dev, "unknown command type "
"(cmd = 0x%02X): %s\n", cmd, AcpiFormatException(rv));
break;
case 5: /* invalid parameters */
rv = AE_ERROR;
aprint_debug_dev(sc->sc_dev, "invalid parameters "
"(cmd = 0x%02X): %s\n", cmd, AcpiFormatException(rv));
break;
default: /* unknown error */
rv = AE_ERROR;
aprint_debug_dev(sc->sc_dev, "unknown error "
"(cmd = 0x%02X): %s\n", cmd, AcpiFormatException(rv));
break;
}
out:
if (obuf.Pointer != NULL)
ACPI_FREE(obuf.Pointer);
if (ACPI_FAILURE(rv)) {
aprint_debug_dev(sc->sc_dev, "failed to evaluate method "
"(cmd = 0x%02X): %s\n", cmd, AcpiFormatException(rv));
return false;
}
return true;
}
static bool
wmi_hp_method_read(struct wmi_hp_softc *sc, uint8_t cmd)
{
sc->sc_arg[0] = WMI_HP_METHOD_ARG_MAGIC;
sc->sc_arg[1] = WMI_HP_METHOD_ARG_READ;
sc->sc_arg[2] = cmd;
sc->sc_arg[3] = 0;
sc->sc_arg[4] = 0;
return wmi_hp_method(sc);
}
static bool
wmi_hp_method_write(struct wmi_hp_softc *sc, uint8_t cmd, uint32_t val)
{
sc->sc_arg[0] = WMI_HP_METHOD_ARG_MAGIC;
sc->sc_arg[1] = WMI_HP_METHOD_ARG_WRITE;
sc->sc_arg[2] = cmd;
sc->sc_arg[3] = WMI_HP_METHOD_ARG_WRITE_SIZE;
sc->sc_arg[4] = val;
return wmi_hp_method(sc);
}
static void
wmi_hp_switch_init(struct wmi_hp_softc *sc)
{
int i, sensor[3];
const char desc[][ENVSYS_DESCLEN] = {
"wireless", "bluetooth", "mobile"
};
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_SWITCH) != true)
return;
sensor[0] = WMI_HP_SWITCH_WLAN;
sensor[1] = WMI_HP_SWITCH_BT;
sensor[2] = WMI_HP_SWITCH_WWAN;
CTASSERT(WMI_HP_SENSOR_WLAN == 0);
CTASSERT(WMI_HP_SENSOR_BT == 1);
CTASSERT(WMI_HP_SENSOR_WWAN == 2);
for (i = 0; i < 3; i++) {
if ((sc->sc_val & sensor[i]) == 0)
continue;
(void)strlcpy(sc->sc_sensor[i].desc, desc[i], ENVSYS_DESCLEN);
sc->sc_sensor[i].state = ENVSYS_SINVALID;
sc->sc_sensor[i].units = ENVSYS_INDICATOR;
if (sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[i]) != 0)
break;
}
}
static void
wmi_hp_sensor_init(struct wmi_hp_softc *sc)
{
int sensor;
KDASSERT(sc->sc_sme == NULL);
KDASSERT(sc->sc_sensor != NULL);
(void)memset(sc->sc_sensor, 0, WMI_HP_SENSOR_SIZE);
sc->sc_sme = sysmon_envsys_create();
wmi_hp_switch_init(sc);
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_HDDTEMP) == true) {
sensor = WMI_HP_SENSOR_HDDTEMP;
(void)strlcpy(sc->sc_sensor[sensor].desc, "hddtemp",
ENVSYS_DESCLEN);
sc->sc_sensor[sensor].state = ENVSYS_SVALID;
sc->sc_sensor[sensor].units = ENVSYS_STEMP;
sc->sc_sensor[sensor].value_cur =
sc->sc_val * 1000000 + 273150000;
sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[sensor]);
}
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_DISPLAY) == true) {
sensor = WMI_HP_SENSOR_DISPLAY;
(void)strlcpy(sc->sc_sensor[sensor].desc, "display",
ENVSYS_DESCLEN);
sc->sc_sensor[sensor].state = ENVSYS_SVALID;
sc->sc_sensor[sensor].units = ENVSYS_INDICATOR;
sc->sc_sensor[sensor].value_cur = sc->sc_val;
sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[sensor]);
}
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_DOCK) == true) {
sensor = WMI_HP_SENSOR_DOCK;
(void)strlcpy(sc->sc_sensor[sensor].desc, "docking station",
ENVSYS_DESCLEN);
sc->sc_sensor[sensor].state = ENVSYS_SVALID;
sc->sc_sensor[sensor].units = ENVSYS_INDICATOR;
sc->sc_sensor[sensor].value_cur = sc->sc_val;
sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[sensor]);
}
sc->sc_sme->sme_cookie = sc;
sc->sc_sme->sme_refresh = wmi_hp_sensor_refresh;
sc->sc_sme->sme_name = device_xname(sc->sc_dev);
if (sysmon_envsys_register(sc->sc_sme) != 0)
goto fail;
wmi_hp_sensor_switch_update(sc->sc_dev);
return;
fail:
aprint_debug_dev(sc->sc_dev, "failed to initialize sysmon\n");
sysmon_envsys_destroy(sc->sc_sme);
kmem_free(sc->sc_sensor, WMI_HP_SENSOR_SIZE);
sc->sc_sme = NULL;
sc->sc_sensor = NULL;
}
static void
wmi_hp_sensor_switch_update(void *aux)
{
struct wmi_hp_softc *sc;
device_t self = aux;
sc = device_private(self);
if (sc->sc_sme == NULL || sc->sc_sensor == NULL)
return;
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_SWITCH) != true) {
sc->sc_sensor[WMI_HP_SENSOR_WLAN].state = ENVSYS_SINVALID;
sc->sc_sensor[WMI_HP_SENSOR_WWAN].state = ENVSYS_SINVALID;
sc->sc_sensor[WMI_HP_SENSOR_BT].state = ENVSYS_SINVALID;
return;
}
if ((sc->sc_val & WMI_HP_SWITCH_WLAN) != 0) {
sc->sc_sensor[WMI_HP_SENSOR_WLAN].value_cur = 0;
if ((sc->sc_val & WMI_HP_SWITCH_MASK_WLAN_ONAIR) != 0)
sc->sc_sensor[WMI_HP_SENSOR_WLAN].value_cur = 1;
sc->sc_sensor[WMI_HP_SENSOR_WLAN].state = ENVSYS_SVALID;
}
if ((sc->sc_val & WMI_HP_SWITCH_BT) != 0) {
sc->sc_sensor[WMI_HP_SENSOR_BT].value_cur = 0;
if ((sc->sc_val & WMI_HP_SWITCH_MASK_BT_ONAIR) != 0)
sc->sc_sensor[WMI_HP_SENSOR_BT].value_cur = 1;
sc->sc_sensor[WMI_HP_SENSOR_BT].state = ENVSYS_SVALID;
}
if ((sc->sc_val & WMI_HP_SWITCH_WWAN) != 0) {
sc->sc_sensor[WMI_HP_SENSOR_WWAN].value_cur = 0;
if ((sc->sc_val & WMI_HP_SWITCH_MASK_WWAN_ONAIR) != 0)
sc->sc_sensor[WMI_HP_SENSOR_WWAN].value_cur = 1;
sc->sc_sensor[WMI_HP_SENSOR_WWAN].state = ENVSYS_SVALID;
}
}
static void
wmi_hp_sensor_read(struct wmi_hp_softc *sc, envsys_data_t *sensor, int cmd)
{
if (wmi_hp_method_read(sc, cmd) == true) {
sensor->state = ENVSYS_SVALID;
sensor->value_cur = sc->sc_val;
} else {
sensor->state = ENVSYS_SINVALID;
}
}
static void
wmi_hp_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
{
struct wmi_hp_softc *sc = sme->sme_cookie;
envsys_data_t *sensor;
sensor = &sc->sc_sensor[WMI_HP_SENSOR_HDDTEMP];
wmi_hp_sensor_read(sc, sensor, WMI_HP_METHOD_CMD_HDDTEMP);
if (sensor->state == ENVSYS_SVALID) {
sensor->value_cur = sensor->value_cur * 1000000 +
273150000;
}
wmi_hp_sensor_read(sc, &sc->sc_sensor[WMI_HP_SENSOR_DISPLAY],
WMI_HP_METHOD_CMD_DISPLAY);
wmi_hp_sensor_read(sc, &sc->sc_sensor[WMI_HP_SENSOR_DOCK],
WMI_HP_METHOD_CMD_DOCK);
}
MODULE(MODULE_CLASS_DRIVER, wmihp, "acpiwmi,sysmon_envsys");
#ifdef _MODULE
#include "ioconf.c"
#endif
static int
wmihp_modcmd(modcmd_t cmd, void *aux)
{
int rv = 0;
switch (cmd) {
case MODULE_CMD_INIT:
#ifdef _MODULE
rv = config_init_component(cfdriver_ioconf_wmihp,
cfattach_ioconf_wmihp, cfdata_ioconf_wmihp);
#endif
break;
case MODULE_CMD_FINI:
#ifdef _MODULE
rv = config_fini_component(cfdriver_ioconf_wmihp,
cfattach_ioconf_wmihp, cfdata_ioconf_wmihp);
#endif
break;
default:
rv = ENOTTY;
}
return rv;
}
static int
sysctl_wmi_hp_set_als(SYSCTLFN_ARGS)
{
struct sysctlnode node;
int err;
int als = wmihp_als;
struct wmi_hp_softc *sc = wmi_hp_sc;
node = *rnode;
node.sysctl_data = &als;
err = sysctl_lookup(SYSCTLFN_CALL(&node));
if (err != 0 || newp == NULL)
return err;
if (als < 0 || als > 1)
return EINVAL;
if (wmi_hp_method_write(sc, WMI_HP_METHOD_CMD_ALS, als) == true) {
wmihp_als = als;
return 0;
}
return EIO;
}
static void
sysctl_wmi_hp_setup(struct wmi_hp_softc *sc)
{
const struct sysctlnode *rnode;
int err;
err = sysctl_createv(&wmihp_sysctllog, 0, NULL, &rnode,
CTLFLAG_PERMANENT, CTLTYPE_NODE, "acpi", NULL,
NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL);
if (err != 0)
return;
err = sysctl_createv(&wmihp_sysctllog, 0, &rnode, &rnode,
0, CTLTYPE_NODE, "wmi", SYSCTL_DESCR("ACPI HP WMI"),
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (err != 0)
return;
if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_ALS) == true) {
(void)sysctl_createv(NULL, 0, &rnode, NULL,
CTLFLAG_READWRITE, CTLTYPE_BOOL, "als",
SYSCTL_DESCR("Ambient Light Sensor"),
sysctl_wmi_hp_set_als, 0, NULL, 0, CTL_CREATE, CTL_EOL);
}
}
