Index: head/share/man/man4/acpi_ibm.4 =================================================================== --- head/share/man/man4/acpi_ibm.4 (revision 356763) +++ head/share/man/man4/acpi_ibm.4 (revision 356764) @@ -1,499 +1,499 @@ .\" Copyright (c) 2005 Christian Brueffer .\" Copyright (c) 2005 Markus Brueffer .\" 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. .\" .\" $FreeBSD$ .\" .Dd June 19, 2015 .Dt ACPI_IBM 4 .Os .Sh NAME .Nm acpi_ibm -.Nd "ACPI extras driver for IBM laptops" +.Nd "ThinkPad ACPI extras driver" .Sh SYNOPSIS To compile this driver into the kernel, place the following line in your kernel configuration file: .Bd -ragged -offset indent .Cd "device acpi_ibm" .Ed .Pp Alternatively, to load the driver as a module at boot time, place the following line in .Xr loader.conf 5 : .Bd -literal -offset indent acpi_ibm_load="YES" .Ed .Sh DESCRIPTION The .Nm -driver provides support for hotkeys and other components of IBM laptops. +driver provides support for hotkeys and other components of ThinkPad laptops. The main purpose of this driver is to provide an interface, accessible via .Xr sysctl 8 and .Xr devd 8 , through which applications can determine the status of various laptop components. .Pp While the .Xr sysctl 8 interface is enabled automatically after loading the driver, the .Xr devd 8 interface has to be enabled explicitly, as it may alter the default action of certain keys. This is done by setting the .Va events sysctl as described below. Specifying which keys should generate events is done by setting a bitmask, whereas each bit represents one key or key combination. This bitmask, accessible via the .Va eventmask sysctl, is set to .Va availmask by default, a value representing all possible keypress events on the specific ThinkPad model. .Ss Xr devd 8 Events Hotkey events received by .Xr devd 8 provide the following information: .Pp .Bl -tag -width "subsystem" -offset indent -compact .It system .Qq Li ACPI .It subsystem .Qq Li IBM .It type The source of the event in the ACPI namespace. The value depends on the model. .It notify Event code (see below). .El .Pp Depending on the ThinkPad model, event codes may vary. On a ThinkPad T41p these are as follows: .Pp .Bl -tag -width "subsystem" -offset indent -compact .It Li 0x01 Fn + F1 .It Li 0x02 Fn + F2 .It Li 0x03 Fn + F3 (LCD backlight) .It Li 0x04 Fn + F4 (Suspend to RAM) .It Li 0x05 Fn + F5 (Bluetooth) .It Li 0x06 Fn + F6 .It Li 0x07 Fn + F7 (Screen expand) .It Li 0x08 Fn + F8 .It Li 0x09 Fn + F9 .It Li 0x0a Fn + F10 .It Li 0x0b Fn + F11 .It Li 0x0c Fn + F12 (Suspend to disk) .It Li 0x0d Fn + Backspace .It Li 0x0e Fn + Insert .It Li 0x0f Fn + Delete .It Li 0x10 Fn + Home (Brightness up) .It Li 0x11 Fn + End (Brightness down) .It Li 0x12 Fn + PageUp (ThinkLight) .It Li 0x13 Fn + PageDown .It Li 0x14 Fn + Space (Zoom) .It Li 0x15 Volume Up .It Li 0x16 Volume Down .It Li 0x17 Mute .It Li 0x18 Access IBM Button .El .Ss Xr led 4 Interface The .Nm driver provides a .Xr led 4 interface for the ThinkLight. The ThinkLight can be made to blink by writing .Tn ASCII strings to the .Pa /dev/led/thinklight device. .Sh SYSCTL VARIABLES The following sysctls are currently implemented: .Bl -tag -width indent .It Va dev.acpi_ibm.0.initialmask (read-only) Bitmask of ACPI events before the .Nm driver was loaded. .It Va dev.acpi_ibm.0.availmask (read-only) Bitmask of all supported ACPI events. .It Va dev.acpi_ibm.0.events Enable ACPI events and set the .Va eventmask to .Va availmask . Without the .Nm driver being loaded, only the Fn+F4 button generates an ACPI event. .It Va dev.acpi_ibm.0.eventmask Sets the ACPI events which are reported to .Xr devd 8 . Fn+F3, Fn+F4 and Fn+F12 always generate ACPI events, regardless which value .Va eventmask has. Depending on the ThinkPad model, the meaning of different bits in the .Va eventmask may vary. On a ThinkPad T41p this is a bitwise OR of the following: .Pp .Bl -tag -width indent-two -compact .It Li 1 Fn + F1 .It Li 2 Fn + F2 .It Li 4 Fn + F3 (LCD backlight) .It Li 8 Fn + F4 (Suspend to RAM) .It Li 16 Fn + F5 (Bluetooth) .It Li 32 Fn + F6 .It Li 64 Fn + F7 (Screen expand) .It Li 128 Fn + F8 .It Li 256 Fn + F9 .It Li 512 Fn + F10 .It Li 1024 Fn + F11 .It Li 2048 Fn + F12 (Suspend to disk) .It Li 4096 Fn + Backspace .It Li 8192 Fn + Insert .It Li 16384 Fn + Delete .It Li 32768 Fn + Home (Brightness up) .It Li 65536 Fn + End (Brightness down) .It Li 131072 Fn + PageUp (ThinkLight) .It Li 262144 Fn + PageDown .It Li 524288 Fn + Space (Zoom) .It Li 1048576 Volume Up .It Li 2097152 Volume Down .It Li 4194304 Mute .It Li 8388608 Access IBM Button .El .It Va dev.acpi_ibm.0.hotkey (read-only) Status of several buttons. Every time a button is pressed, the respecting bit is toggled. It is a bitwise OR of the following: .Pp .Bl -tag -width indent-two -compact .It Li 1 Home Button .It Li 2 Search Button .It Li 4 Mail Button .It Li 8 Access IBM Button .It Li 16 Zoom .It Li 32 Wireless LAN Button .It Li 64 Video Button .It Li 128 Hibernate Button .It Li 256 ThinkLight Button .It Li 512 Screen Expand .It Li 1024 Brightness Up/Down Button .It Li 2048 Volume Up/Down/Mute Button .El .It Va dev.acpi_ibm.0.lcd_brightness Current brightness level of the display. .It Va dev.acpi_ibm.0.volume Speaker volume. .It Va dev.acpi_ibm.0.mute Indicates, whether the speakers are muted or not. .It Va dev.acpi_ibm.0.mic_mute Indicates, whether the microphone led (present on some model) is on or not. Note that this does not mean that the microphone input is muted. .It Va dev.acpi_ibm.0.thinklight Indicates, whether the ThinkLight keyboard light is activated or not. .It Va dev.acpi_ibm.0.bluetooth Toggle Bluetooth chip activity. .It Va dev.acpi_ibm.0.wlan (read-only) Indicates whether the WLAN chip is active or not. .It Va dev.acpi_ibm.0.fan Indicates whether the fan is in automatic (1) or manual (0) mode. Default is automatic mode. This sysctl should be used with extreme precaution, since disabling automatic fan control might overheat the ThinkPad and lead to permanent damage if the .Va fan_level is not set accordingly. .It Va dev.acpi_ibm.0.fan_level Indicates at what speed the fan should run when being in manual mode. Values are ranging from 0 (off) to 7 (max). The resulting speed differs from model to model. On a T41p this is as follows: .Pp .Bl -tag -width indent-two -compact .It Li 0 off .It Li 1, 2 ~3000 RPM .It Li 3, 4, 5 ~3600 RPM .It Li 6, 7 ~4300 RPM .El .It Va dev.acpi_ibm.0.fan_speed (read-only) Fan speed in rounds per minute. A few older ThinkPads report the fan speed in levels ranging from 0 (off) to 7 (max). .It Va dev.acpi_ibm.0.thermal (read-only) Shows the readings of up to eight different temperature sensors. Most ThinkPads include six or more temperature sensors but only expose the CPU temperature through .Xr acpi_thermal 4 . Some ThinkPads have the below sensor layout which might vary depending on the specific model: .Pp .Bl -enum -compact .It CPU .It Mini PCI Module .It HDD .It GPU .It Built-in battery .It UltraBay battery .It Built-in battery .It UltraBay battery .El .It Va dev.acpi_ibm.0.handlerevents .Xr devd 8 events handled by .Nm when .Va events is set to 1. Events are specified as a whitespace-separated list of event code in hexadecimal or decimal form. Note that the event maybe handled twice (e.g., Brightness up/down) if ACPI BIOS already handled the event. .El .Pp Defaults for these sysctls can be set in .Xr sysctl.conf 5 . .Sh FILES .Bl -tag -width ".Pa /dev/led/thinklight" .It Pa /dev/led/thinklight ThinkLight .Xr led 4 device node .El .Sh EXAMPLES The following can be added to .Xr devd.conf 5 in order to pass button events to a .Pa /usr/local/sbin/acpi_oem_exec.sh script: .Bd -literal -offset indent notify 10 { match "system" "ACPI"; match "subsystem" "IBM"; action "/usr/local/sbin/acpi_oem_exec.sh $notify ibm"; }; .Ed .Pp A possible .Pa /usr/local/sbin/acpi_oem_exec.sh script might look like: .Bd -literal -offset indent #!/bin/sh # if [ "$1" = "" -o "$2" = "" ] then echo "usage: $0 notify oem_name" exit 1 fi NOTIFY=`echo $1` LOGGER="logger" CALC="bc" BC_PRECOMMANDS="scale=2" ECHO="echo" CUT="cut" MAX_LCD_BRIGHTNESS=7 MAX_VOLUME=14 OEM=$2 DISPLAY_PIPE=/tmp/acpi_${OEM}_display case ${NOTIFY} in 0x05) LEVEL=`sysctl -n dev.acpi_${OEM}.0.bluetooth` if [ "$LEVEL" = "1" ] then sysctl dev.acpi_${OEM}.0.bluetooth=0 MESSAGE="bluetooth disabled" else sysctl dev.acpi_${OEM}.0.bluetooth=1 MESSAGE="bluetooth enabled" fi ;; 0x10|0x11) LEVEL=`sysctl -n dev.acpi_${OEM}.0.lcd_brightness` PERCENT=`${ECHO} "${BC_PRECOMMANDS} ; \\ ${LEVEL} / ${MAX_LCD_BRIGHTNESS} * 100" |\\ ${CALC} | ${CUT} -d . -f 1` MESSAGE="brightness level ${PERCENT}%" ;; 0x12) LEVEL=`sysctl -n dev.acpi_${OEM}.0.thinklight` if [ "$LEVEL" = "1" ] then MESSAGE="thinklight enabled" else MESSAGE="thinklight disabled" fi ;; 0x15|0x16) LEVEL=`sysctl -n dev.acpi_${OEM}.0.volume` PERCENT=`${ECHO} "${BC_PRECOMMANDS} ; \\ ${LEVEL} / ${MAX_VOLUME} * 100" | \\ ${CALC} | ${CUT} -d . -f 1` MESSAGE="volume level ${PERCENT}%" ;; 0x17) LEVEL=`sysctl -n dev.acpi_${OEM}.0.mute` if [ "$LEVEL" = "1" ] then MESSAGE="volume muted" else MESSAGE="volume unmuted" fi ;; 0x1b) LEVEL=`sysctl -n dev.acpi_ibm.0.mic_led` if [ $LEVEL -eq 0 ]; then sysctl dev.acpi_ibm.0.mic_led=1 mixer rec 0 fi if [ $LEVEL -eq 1 ]; then sysctl dev.acpi_ibm.0.mic_led=0 mixer rec 30 fi ;; *) ;; esac ${LOGGER} ${MESSAGE} if [ -p ${DISPLAY_PIPE} ] then ${ECHO} ${MESSAGE} >> ${DISPLAY_PIPE} & fi exit 0 .Ed .Pp The following example specify that event code 0x04 (Suspend to RAM), 0x10 (Brightness up) and 0x11 (Brightness down) are handled by .Nm . .Bd -literal -offset indent sysctl dev.acpi_ibm.0.handlerevents='0x04 0x10 0x11' .Ed .Pp in .Xr sysctl.conf 5 : .Bd -literal -offset indent dev.acpi_ibm.0.handlerevents=0x04\\ 0x10\\ 0x11 .Ed .Sh SEE ALSO .Xr acpi 4 , .Xr led 4 , .Xr sysctl.conf 5 , .Xr devd 8 , .Xr sysctl 8 .Sh HISTORY The .Nm device driver first appeared in .Fx 6.0 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An Takanori Watanabe Aq Mt takawata@FreeBSD.org and later mostly rewritten by .An Markus Brueffer Aq Mt markus@FreeBSD.org . This manual page was written by .An Christian Brueffer Aq Mt brueffer@FreeBSD.org and .An Markus Brueffer Aq Mt markus@FreeBSD.org . Index: head/sys/dev/acpi_support/acpi_ibm.c =================================================================== --- head/sys/dev/acpi_support/acpi_ibm.c (revision 356763) +++ head/sys/dev/acpi_support/acpi_ibm.c (revision 356764) @@ -1,1412 +1,1412 @@ /*- * Copyright (c) 2004 Takanori Watanabe * Copyright (c) 2005 Markus Brueffer * 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 __FBSDID("$FreeBSD$"); /* - * Driver for extra ACPI-controlled gadgets found on IBM ThinkPad laptops. + * Driver for extra ACPI-controlled gadgets found on ThinkPad laptops. * Inspired by the ibm-acpi and tpb projects which implement these features * on Linux. * * acpi-ibm: * tpb: */ #include "opt_acpi.h" #include #include #include #include #include #include #include #include "acpi_if.h" #include #include #include #include #include #include #include #define _COMPONENT ACPI_OEM ACPI_MODULE_NAME("IBM") /* Internal methods */ #define ACPI_IBM_METHOD_EVENTS 1 #define ACPI_IBM_METHOD_EVENTMASK 2 #define ACPI_IBM_METHOD_HOTKEY 3 #define ACPI_IBM_METHOD_BRIGHTNESS 4 #define ACPI_IBM_METHOD_VOLUME 5 #define ACPI_IBM_METHOD_MUTE 6 #define ACPI_IBM_METHOD_THINKLIGHT 7 #define ACPI_IBM_METHOD_BLUETOOTH 8 #define ACPI_IBM_METHOD_WLAN 9 #define ACPI_IBM_METHOD_FANSPEED 10 #define ACPI_IBM_METHOD_FANLEVEL 11 #define ACPI_IBM_METHOD_FANSTATUS 12 #define ACPI_IBM_METHOD_THERMAL 13 #define ACPI_IBM_METHOD_HANDLEREVENTS 14 #define ACPI_IBM_METHOD_MIC_LED 15 /* Hotkeys/Buttons */ #define IBM_RTC_HOTKEY1 0x64 #define IBM_RTC_MASK_HOME (1 << 0) #define IBM_RTC_MASK_SEARCH (1 << 1) #define IBM_RTC_MASK_MAIL (1 << 2) #define IBM_RTC_MASK_WLAN (1 << 5) #define IBM_RTC_HOTKEY2 0x65 #define IBM_RTC_MASK_THINKPAD (1 << 3) #define IBM_RTC_MASK_ZOOM (1 << 5) #define IBM_RTC_MASK_VIDEO (1 << 6) #define IBM_RTC_MASK_HIBERNATE (1 << 7) #define IBM_RTC_THINKLIGHT 0x66 #define IBM_RTC_MASK_THINKLIGHT (1 << 4) #define IBM_RTC_SCREENEXPAND 0x67 #define IBM_RTC_MASK_SCREENEXPAND (1 << 5) #define IBM_RTC_BRIGHTNESS 0x6c #define IBM_RTC_MASK_BRIGHTNESS (1 << 5) #define IBM_RTC_VOLUME 0x6e #define IBM_RTC_MASK_VOLUME (1 << 7) /* Embedded Controller registers */ #define IBM_EC_BRIGHTNESS 0x31 #define IBM_EC_MASK_BRI 0x7 #define IBM_EC_VOLUME 0x30 #define IBM_EC_MASK_VOL 0xf #define IBM_EC_MASK_MUTE (1 << 6) #define IBM_EC_FANSTATUS 0x2F #define IBM_EC_MASK_FANLEVEL 0x3f #define IBM_EC_MASK_FANDISENGAGED (1 << 6) #define IBM_EC_MASK_FANSTATUS (1 << 7) #define IBM_EC_FANSPEED 0x84 /* CMOS Commands */ #define IBM_CMOS_VOLUME_DOWN 0 #define IBM_CMOS_VOLUME_UP 1 #define IBM_CMOS_VOLUME_MUTE 2 #define IBM_CMOS_BRIGHTNESS_UP 4 #define IBM_CMOS_BRIGHTNESS_DOWN 5 /* ACPI methods */ #define IBM_NAME_KEYLIGHT "KBLT" #define IBM_NAME_WLAN_BT_GET "GBDC" #define IBM_NAME_WLAN_BT_SET "SBDC" #define IBM_NAME_MASK_BT (1 << 1) #define IBM_NAME_MASK_WLAN (1 << 2) #define IBM_NAME_THERMAL_GET "TMP7" #define IBM_NAME_THERMAL_UPDT "UPDT" #define IBM_NAME_EVENTS_STATUS_GET "DHKC" #define IBM_NAME_EVENTS_MASK_GET "DHKN" #define IBM_NAME_EVENTS_STATUS_SET "MHKC" #define IBM_NAME_EVENTS_MASK_SET "MHKM" #define IBM_NAME_EVENTS_GET "MHKP" #define IBM_NAME_EVENTS_AVAILMASK "MHKA" /* Event Code */ #define IBM_EVENT_LCD_BACKLIGHT 0x03 #define IBM_EVENT_SUSPEND_TO_RAM 0x04 #define IBM_EVENT_BLUETOOTH 0x05 #define IBM_EVENT_SCREEN_EXPAND 0x07 #define IBM_EVENT_SUSPEND_TO_DISK 0x0c #define IBM_EVENT_BRIGHTNESS_UP 0x10 #define IBM_EVENT_BRIGHTNESS_DOWN 0x11 #define IBM_EVENT_THINKLIGHT 0x12 #define IBM_EVENT_ZOOM 0x14 #define IBM_EVENT_VOLUME_UP 0x15 #define IBM_EVENT_VOLUME_DOWN 0x16 #define IBM_EVENT_MUTE 0x17 #define IBM_EVENT_ACCESS_IBM_BUTTON 0x18 #define ABS(x) (((x) < 0)? -(x) : (x)) struct acpi_ibm_softc { device_t dev; ACPI_HANDLE handle; /* Embedded controller */ device_t ec_dev; ACPI_HANDLE ec_handle; /* CMOS */ ACPI_HANDLE cmos_handle; /* Fan status */ ACPI_HANDLE fan_handle; int fan_levels; /* Keylight commands and states */ ACPI_HANDLE light_handle; int light_cmd_on; int light_cmd_off; int light_val; int light_get_supported; int light_set_supported; /* led(4) interface */ struct cdev *led_dev; int led_busy; int led_state; /* Mic led handle */ ACPI_HANDLE mic_led_handle; int mic_led_state; int wlan_bt_flags; int thermal_updt_supported; unsigned int events_availmask; unsigned int events_initialmask; int events_mask_supported; int events_enable; unsigned int handler_events; struct sysctl_ctx_list *sysctl_ctx; struct sysctl_oid *sysctl_tree; }; static struct { char *name; int method; char *description; int flag_rdonly; } acpi_ibm_sysctls[] = { { .name = "events", .method = ACPI_IBM_METHOD_EVENTS, .description = "ACPI events enable", }, { .name = "eventmask", .method = ACPI_IBM_METHOD_EVENTMASK, .description = "ACPI eventmask", }, { .name = "hotkey", .method = ACPI_IBM_METHOD_HOTKEY, .description = "Key Status", .flag_rdonly = 1 }, { .name = "lcd_brightness", .method = ACPI_IBM_METHOD_BRIGHTNESS, .description = "LCD Brightness", }, { .name = "volume", .method = ACPI_IBM_METHOD_VOLUME, .description = "Volume", }, { .name = "mute", .method = ACPI_IBM_METHOD_MUTE, .description = "Mute", }, { .name = "thinklight", .method = ACPI_IBM_METHOD_THINKLIGHT, .description = "Thinklight enable", }, { .name = "bluetooth", .method = ACPI_IBM_METHOD_BLUETOOTH, .description = "Bluetooth enable", }, { .name = "wlan", .method = ACPI_IBM_METHOD_WLAN, .description = "WLAN enable", .flag_rdonly = 1 }, { .name = "fan_speed", .method = ACPI_IBM_METHOD_FANSPEED, .description = "Fan speed", .flag_rdonly = 1 }, { .name = "fan_level", .method = ACPI_IBM_METHOD_FANLEVEL, .description = "Fan level", }, { .name = "fan", .method = ACPI_IBM_METHOD_FANSTATUS, .description = "Fan enable", }, { .name = "mic_led", .method = ACPI_IBM_METHOD_MIC_LED, .description = "Mic led", }, { NULL, 0, NULL, 0 } }; /* * Per-model default list of event mask. */ #define ACPI_IBM_HKEY_RFKILL_MASK (1 << 4) #define ACPI_IBM_HKEY_DSWITCH_MASK (1 << 6) #define ACPI_IBM_HKEY_BRIGHTNESS_UP_MASK (1 << 15) #define ACPI_IBM_HKEY_BRIGHTNESS_DOWN_MASK (1 << 16) #define ACPI_IBM_HKEY_SEARCH_MASK (1 << 18) #define ACPI_IBM_HKEY_MICMUTE_MASK (1 << 26) #define ACPI_IBM_HKEY_SETTINGS_MASK (1 << 28) #define ACPI_IBM_HKEY_VIEWOPEN_MASK (1 << 30) #define ACPI_IBM_HKEY_VIEWALL_MASK (1 << 31) struct acpi_ibm_models { const char *maker; const char *product; uint32_t eventmask; } acpi_ibm_models[] = { { "LENOVO", "20BSCTO1WW", ACPI_IBM_HKEY_RFKILL_MASK | ACPI_IBM_HKEY_DSWITCH_MASK | ACPI_IBM_HKEY_BRIGHTNESS_UP_MASK | ACPI_IBM_HKEY_BRIGHTNESS_DOWN_MASK | ACPI_IBM_HKEY_SEARCH_MASK | ACPI_IBM_HKEY_MICMUTE_MASK | ACPI_IBM_HKEY_SETTINGS_MASK | ACPI_IBM_HKEY_VIEWOPEN_MASK | ACPI_IBM_HKEY_VIEWALL_MASK } }; -ACPI_SERIAL_DECL(ibm, "ACPI IBM extras"); +ACPI_SERIAL_DECL(ibm, "ThinkPad ACPI Extras"); static int acpi_ibm_probe(device_t dev); static int acpi_ibm_attach(device_t dev); static int acpi_ibm_detach(device_t dev); static int acpi_ibm_resume(device_t dev); static void ibm_led(void *softc, int onoff); static void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused); static int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method); static int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method); static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val); static int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val); static int acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_ibm_handlerevents_sysctl(SYSCTL_HANDLER_ARGS); static void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context); static int acpi_ibm_brightness_set(struct acpi_ibm_softc *sc, int arg); static int acpi_ibm_bluetooth_set(struct acpi_ibm_softc *sc, int arg); static int acpi_ibm_thinklight_set(struct acpi_ibm_softc *sc, int arg); static int acpi_ibm_volume_set(struct acpi_ibm_softc *sc, int arg); static int acpi_ibm_mute_set(struct acpi_ibm_softc *sc, int arg); static device_method_t acpi_ibm_methods[] = { /* Device interface */ DEVMETHOD(device_probe, acpi_ibm_probe), DEVMETHOD(device_attach, acpi_ibm_attach), DEVMETHOD(device_detach, acpi_ibm_detach), DEVMETHOD(device_resume, acpi_ibm_resume), DEVMETHOD_END }; static driver_t acpi_ibm_driver = { "acpi_ibm", acpi_ibm_methods, sizeof(struct acpi_ibm_softc), }; static devclass_t acpi_ibm_devclass; DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass, 0, 0); MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1); static char *ibm_ids[] = {"IBM0068", "LEN0068", "LEN0268", NULL}; static void ibm_led(void *softc, int onoff) { struct acpi_ibm_softc* sc = (struct acpi_ibm_softc*) softc; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); if (sc->led_busy) return; sc->led_busy = 1; sc->led_state = onoff; AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)ibm_led_task, sc); } static void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused) { ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_BEGIN(ibm); acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state); ACPI_SERIAL_END(ibm); sc->led_busy = 0; } static int acpi_ibm_mic_led_set (struct acpi_ibm_softc *sc, int arg) { ACPI_OBJECT_LIST input; ACPI_OBJECT params[1]; ACPI_STATUS status; if (arg < 0 || arg > 1) return (EINVAL); if (sc->mic_led_handle) { params[0].Type = ACPI_TYPE_INTEGER; params[0].Integer.Value = 0; /* mic led: 0 off, 2 on */ if (arg == 1) params[0].Integer.Value = 2; input.Pointer = params; input.Count = 1; status = AcpiEvaluateObject (sc->handle, "MMTS", &input, NULL); if (ACPI_SUCCESS(status)) sc->mic_led_state = arg; return(status); } return (0); } static int acpi_ibm_probe(device_t dev) { int rv; if (acpi_disabled("ibm") || device_get_unit(dev) != 0) return (ENXIO); rv = ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_ids, NULL); if (rv <= 0) - device_set_desc(dev, "IBM ThinkPad ACPI Extras"); + device_set_desc(dev, "ThinkPad ACPI Extras"); return (rv); } static int acpi_ibm_attach(device_t dev) { int i; int hkey; struct acpi_ibm_softc *sc; char *maker, *product; ACPI_OBJECT_LIST input; ACPI_OBJECT params[1]; ACPI_OBJECT out_obj; ACPI_BUFFER result; devclass_t ec_devclass; ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); sc = device_get_softc(dev); sc->dev = dev; sc->handle = acpi_get_handle(dev); /* Look for the first embedded controller */ if (!(ec_devclass = devclass_find ("acpi_ec"))) { if (bootverbose) device_printf(dev, "Couldn't find acpi_ec devclass\n"); return (EINVAL); } if (!(sc->ec_dev = devclass_get_device(ec_devclass, 0))) { if (bootverbose) device_printf(dev, "Couldn't find acpi_ec device\n"); return (EINVAL); } sc->ec_handle = acpi_get_handle(sc->ec_dev); /* Get the sysctl tree */ sc->sysctl_ctx = device_get_sysctl_ctx(dev); sc->sysctl_tree = device_get_sysctl_tree(dev); /* Look for event mask and hook up the nodes */ sc->events_mask_supported = ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &sc->events_initialmask)); if (sc->events_mask_supported) { SYSCTL_ADD_UINT(sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "initialmask", CTLFLAG_RD, &sc->events_initialmask, 0, "Initial eventmask"); if (ACPI_SUCCESS (acpi_GetInteger(sc->handle, "MHKV", &hkey))) { device_printf(dev, "Firmware version is 0x%X\n", hkey); switch(hkey >> 8) { case 1: /* The availmask is the bitmask of supported events */ if (ACPI_FAILURE(acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask))) sc->events_availmask = 0xffffffff; break; case 2: result.Length = sizeof(out_obj); result.Pointer = &out_obj; params[0].Type = ACPI_TYPE_INTEGER; params[0].Integer.Value = 1; input.Pointer = params; input.Count = 1; sc->events_availmask = 0xffffffff; if (ACPI_SUCCESS(AcpiEvaluateObject (sc->handle, IBM_NAME_EVENTS_AVAILMASK, &input, &result))) sc->events_availmask = out_obj.Integer.Value; break; default: device_printf(dev, "Unknown firmware version 0x%x\n", hkey); break; } } else sc->events_availmask = 0xffffffff; SYSCTL_ADD_UINT(sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "availmask", CTLFLAG_RD, &sc->events_availmask, 0, "Mask of supported events"); } /* Hook up proc nodes */ for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) { if (!acpi_ibm_sysctl_init(sc, acpi_ibm_sysctls[i].method)) continue; if (acpi_ibm_sysctls[i].flag_rdonly != 0) { SYSCTL_ADD_PROC(sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, acpi_ibm_sysctls[i].name, CTLTYPE_INT | CTLFLAG_RD, sc, i, acpi_ibm_sysctl, "I", acpi_ibm_sysctls[i].description); } else { SYSCTL_ADD_PROC(sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, acpi_ibm_sysctls[i].name, CTLTYPE_INT | CTLFLAG_RW, sc, i, acpi_ibm_sysctl, "I", acpi_ibm_sysctls[i].description); } } /* Hook up thermal node */ if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_THERMAL)) { SYSCTL_ADD_PROC(sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "thermal", CTLTYPE_INT | CTLFLAG_RD, sc, 0, acpi_ibm_thermal_sysctl, "I", "Thermal zones"); } /* Hook up handlerevents node */ if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_HANDLEREVENTS)) { SYSCTL_ADD_PROC(sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "handlerevents", CTLTYPE_STRING | CTLFLAG_RW, sc, 0, acpi_ibm_handlerevents_sysctl, "I", "devd(8) events handled by acpi_ibm"); } /* Handle notifies */ AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify, dev); /* Hook up light to led(4) */ if (sc->light_set_supported) sc->led_dev = led_create_state(ibm_led, sc, "thinklight", (sc->light_val ? 1 : 0)); /* Enable per-model events. */ maker = kern_getenv("smbios.system.maker"); product = kern_getenv("smbios.system.product"); if (maker == NULL || product == NULL) goto nosmbios; for (i = 0; i < nitems(acpi_ibm_models); i++) { if (strcmp(maker, acpi_ibm_models[i].maker) == 0 && strcmp(product, acpi_ibm_models[i].product) == 0) { ACPI_SERIAL_BEGIN(ibm); acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, acpi_ibm_models[i].eventmask); ACPI_SERIAL_END(ibm); } } nosmbios: freeenv(maker); freeenv(product); /* Enable events by default. */ ACPI_SERIAL_BEGIN(ibm); acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 1); ACPI_SERIAL_END(ibm); return (0); } static int acpi_ibm_detach(device_t dev) { ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); struct acpi_ibm_softc *sc = device_get_softc(dev); /* Disable events and restore eventmask */ ACPI_SERIAL_BEGIN(ibm); acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0); acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask); ACPI_SERIAL_END(ibm); AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify); if (sc->led_dev != NULL) led_destroy(sc->led_dev); return (0); } static int acpi_ibm_resume(device_t dev) { struct acpi_ibm_softc *sc = device_get_softc(dev); ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); ACPI_SERIAL_BEGIN(ibm); for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) { int val; val = acpi_ibm_sysctl_get(sc, i); if (acpi_ibm_sysctls[i].flag_rdonly != 0) continue; acpi_ibm_sysctl_set(sc, i, val); } ACPI_SERIAL_END(ibm); /* The mic led does not turn back on when sysctl_set is called in the above loop */ acpi_ibm_mic_led_set(sc, sc->mic_led_state); return (0); } static int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val) { ACPI_OBJECT arg[2]; ACPI_OBJECT_LIST args; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); args.Count = 2; args.Pointer = arg; arg[0].Type = ACPI_TYPE_INTEGER; arg[1].Type = ACPI_TYPE_INTEGER; for (int i = 0; i < 32; ++i) { arg[0].Integer.Value = i+1; arg[1].Integer.Value = (((1 << i) & val) != 0); status = AcpiEvaluateObject(sc->handle, IBM_NAME_EVENTS_MASK_SET, &args, NULL); if (ACPI_FAILURE(status)) return (status); } return (0); } static int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS) { struct acpi_ibm_softc *sc; int arg; int error = 0; int function; int method; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); sc = (struct acpi_ibm_softc *)oidp->oid_arg1; function = oidp->oid_arg2; method = acpi_ibm_sysctls[function].method; ACPI_SERIAL_BEGIN(ibm); arg = acpi_ibm_sysctl_get(sc, method); error = sysctl_handle_int(oidp, &arg, 0, req); /* Sanity check */ if (error != 0 || req->newptr == NULL) goto out; /* Update */ error = acpi_ibm_sysctl_set(sc, method, arg); out: ACPI_SERIAL_END(ibm); return (error); } static int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method) { UINT64 val_ec; int val = 0, key; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); switch (method) { case ACPI_IBM_METHOD_EVENTS: acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_GET, &val); break; case ACPI_IBM_METHOD_EVENTMASK: if (sc->events_mask_supported) acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &val); break; case ACPI_IBM_METHOD_HOTKEY: /* * Construct the hotkey as a bitmask as illustrated below. * Note that whenever a key was pressed, the respecting bit * toggles and nothing else changes. * +--+--+-+-+-+-+-+-+-+-+-+-+ * |11|10|9|8|7|6|5|4|3|2|1|0| * +--+--+-+-+-+-+-+-+-+-+-+-+ * | | | | | | | | | | | | * | | | | | | | | | | | +- Home Button * | | | | | | | | | | +--- Search Button * | | | | | | | | | +----- Mail Button * | | | | | | | | +------- Thinkpad Button * | | | | | | | +--------- Zoom (Fn + Space) * | | | | | | +----------- WLAN Button * | | | | | +------------- Video Button * | | | | +--------------- Hibernate Button * | | | +----------------- Thinklight Button * | | +------------------- Screen expand (Fn + F8) * | +--------------------- Brightness * +------------------------ Volume/Mute */ key = rtcin(IBM_RTC_HOTKEY1); val = (IBM_RTC_MASK_HOME | IBM_RTC_MASK_SEARCH | IBM_RTC_MASK_MAIL | IBM_RTC_MASK_WLAN) & key; key = rtcin(IBM_RTC_HOTKEY2); val |= (IBM_RTC_MASK_THINKPAD | IBM_RTC_MASK_VIDEO | IBM_RTC_MASK_HIBERNATE) & key; val |= (IBM_RTC_MASK_ZOOM & key) >> 1; key = rtcin(IBM_RTC_THINKLIGHT); val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4; key = rtcin(IBM_RTC_SCREENEXPAND); val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4; key = rtcin(IBM_RTC_BRIGHTNESS); val |= (IBM_RTC_MASK_BRIGHTNESS & key) << 5; key = rtcin(IBM_RTC_VOLUME); val |= (IBM_RTC_MASK_VOLUME & key) << 4; break; case ACPI_IBM_METHOD_BRIGHTNESS: ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); val = val_ec & IBM_EC_MASK_BRI; break; case ACPI_IBM_METHOD_VOLUME: ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); val = val_ec & IBM_EC_MASK_VOL; break; case ACPI_IBM_METHOD_MUTE: ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE); break; case ACPI_IBM_METHOD_THINKLIGHT: if (sc->light_get_supported) acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &val); else val = sc->light_val; break; case ACPI_IBM_METHOD_BLUETOOTH: acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val); sc->wlan_bt_flags = val; val = ((val & IBM_NAME_MASK_BT) != 0); break; case ACPI_IBM_METHOD_WLAN: acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val); sc->wlan_bt_flags = val; val = ((val & IBM_NAME_MASK_WLAN) != 0); break; case ACPI_IBM_METHOD_FANSPEED: if (sc->fan_handle) { if(ACPI_FAILURE(acpi_GetInteger(sc->fan_handle, NULL, &val))) val = -1; } else { ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &val_ec, 2); val = val_ec; } break; case ACPI_IBM_METHOD_FANLEVEL: /* * The IBM_EC_FANSTATUS register works as follows: * Bit 0-5 indicate the level at which the fan operates. Only * values between 0 and 7 have an effect. Everything * above 7 is treated the same as level 7 * Bit 6 overrides the fan speed limit if set to 1 * Bit 7 indicates at which mode the fan operates: * manual (0) or automatic (1) */ if (!sc->fan_handle) { ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); val = val_ec & IBM_EC_MASK_FANLEVEL; } break; case ACPI_IBM_METHOD_FANSTATUS: if (!sc->fan_handle) { ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); val = (val_ec & IBM_EC_MASK_FANSTATUS) == IBM_EC_MASK_FANSTATUS; } else val = -1; break; case ACPI_IBM_METHOD_MIC_LED: if (sc->mic_led_handle) return sc->mic_led_state; else val = -1; break; } return (val); } static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int arg) { int val; UINT64 val_ec; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); switch (method) { case ACPI_IBM_METHOD_EVENTS: if (arg < 0 || arg > 1) return (EINVAL); status = acpi_SetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_SET, arg); if (ACPI_FAILURE(status)) return (status); if (sc->events_mask_supported) return acpi_ibm_eventmask_set(sc, sc->events_availmask); break; case ACPI_IBM_METHOD_EVENTMASK: if (sc->events_mask_supported) return acpi_ibm_eventmask_set(sc, arg); break; case ACPI_IBM_METHOD_BRIGHTNESS: return acpi_ibm_brightness_set(sc, arg); break; case ACPI_IBM_METHOD_VOLUME: return acpi_ibm_volume_set(sc, arg); break; case ACPI_IBM_METHOD_MUTE: return acpi_ibm_mute_set(sc, arg); break; case ACPI_IBM_METHOD_MIC_LED: return acpi_ibm_mic_led_set (sc, arg); break; case ACPI_IBM_METHOD_THINKLIGHT: return acpi_ibm_thinklight_set(sc, arg); break; case ACPI_IBM_METHOD_BLUETOOTH: return acpi_ibm_bluetooth_set(sc, arg); break; case ACPI_IBM_METHOD_FANLEVEL: if (arg < 0 || arg > 7) return (EINVAL); if (!sc->fan_handle) { /* Read the current fanstatus */ ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); val = val_ec & (~IBM_EC_MASK_FANLEVEL); return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, val | arg, 1); } break; case ACPI_IBM_METHOD_FANSTATUS: if (arg < 0 || arg > 1) return (EINVAL); if (!sc->fan_handle) { /* Read the current fanstatus */ ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, (arg == 1) ? (val_ec | IBM_EC_MASK_FANSTATUS) : (val_ec & (~IBM_EC_MASK_FANSTATUS)), 1); } break; } return (0); } static int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method) { int dummy; ACPI_OBJECT_TYPE cmos_t; ACPI_HANDLE ledb_handle; switch (method) { case ACPI_IBM_METHOD_EVENTS: return (TRUE); case ACPI_IBM_METHOD_EVENTMASK: return (sc->events_mask_supported); case ACPI_IBM_METHOD_HOTKEY: case ACPI_IBM_METHOD_BRIGHTNESS: case ACPI_IBM_METHOD_VOLUME: case ACPI_IBM_METHOD_MUTE: /* EC is required here, which was already checked before */ return (TRUE); case ACPI_IBM_METHOD_MIC_LED: if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "MMTS", &sc->mic_led_handle))) { /* Turn off mic led by default */ acpi_ibm_mic_led_set (sc, 0); return(TRUE); } else sc->mic_led_handle = NULL; return (FALSE); case ACPI_IBM_METHOD_THINKLIGHT: sc->cmos_handle = NULL; sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger( sc->ec_handle, IBM_NAME_KEYLIGHT, &sc->light_val)); if ((ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\UCMS", &sc->light_handle)) || ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMOS", &sc->light_handle)) || ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMS", &sc->light_handle))) && ACPI_SUCCESS(AcpiGetType(sc->light_handle, &cmos_t)) && cmos_t == ACPI_TYPE_METHOD) { sc->light_cmd_on = 0x0c; sc->light_cmd_off = 0x0d; sc->cmos_handle = sc->light_handle; } else if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\LGHT", &sc->light_handle))) { sc->light_cmd_on = 1; sc->light_cmd_off = 0; } else sc->light_handle = NULL; sc->light_set_supported = (sc->light_handle && ACPI_FAILURE(AcpiGetHandle(sc->ec_handle, "LEDB", &ledb_handle))); if (sc->light_get_supported) return (TRUE); if (sc->light_set_supported) { sc->light_val = 0; return (TRUE); } return (FALSE); case ACPI_IBM_METHOD_BLUETOOTH: case ACPI_IBM_METHOD_WLAN: if (ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &dummy))) return (TRUE); return (FALSE); case ACPI_IBM_METHOD_FANSPEED: /* * Some models report the fan speed in levels from 0-7 * Newer models report it contiguously */ sc->fan_levels = (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "GFAN", &sc->fan_handle)) || ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\FSPD", &sc->fan_handle))); return (TRUE); case ACPI_IBM_METHOD_FANLEVEL: case ACPI_IBM_METHOD_FANSTATUS: /* * Fan status is only supported on those models, * which report fan RPM contiguously, not in levels */ if (sc->fan_levels) return (FALSE); return (TRUE); case ACPI_IBM_METHOD_THERMAL: if (ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_GET, &dummy))) { sc->thermal_updt_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_UPDT, &dummy)); return (TRUE); } return (FALSE); case ACPI_IBM_METHOD_HANDLEREVENTS: return (TRUE); } return (FALSE); } static int acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS) { struct acpi_ibm_softc *sc; int error = 0; char temp_cmd[] = "TMP0"; int temp[8]; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); sc = (struct acpi_ibm_softc *)oidp->oid_arg1; ACPI_SERIAL_BEGIN(ibm); for (int i = 0; i < 8; ++i) { temp_cmd[3] = '0' + i; /* * The TMPx methods seem to return +/- 128 or 0 * when the respecting sensor is not available */ if (ACPI_FAILURE(acpi_GetInteger(sc->ec_handle, temp_cmd, &temp[i])) || ABS(temp[i]) == 128 || temp[i] == 0) temp[i] = -1; else if (sc->thermal_updt_supported) /* Temperature is reported in tenth of Kelvin */ temp[i] = (temp[i] - 2731 + 5) / 10; } error = sysctl_handle_opaque(oidp, &temp, 8*sizeof(int), req); ACPI_SERIAL_END(ibm); return (error); } static int acpi_ibm_handlerevents_sysctl(SYSCTL_HANDLER_ARGS) { struct acpi_ibm_softc *sc; int error = 0; struct sbuf sb; char *cp, *ep; int l, val; unsigned int handler_events; char temp[128]; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); sc = (struct acpi_ibm_softc *)oidp->oid_arg1; if (sbuf_new(&sb, NULL, 128, SBUF_AUTOEXTEND) == NULL) return (ENOMEM); ACPI_SERIAL_BEGIN(ibm); /* Get old values if this is a get request. */ if (req->newptr == NULL) { for (int i = 0; i < 8 * sizeof(sc->handler_events); i++) if (sc->handler_events & (1 << i)) sbuf_printf(&sb, "0x%02x ", i + 1); if (sbuf_len(&sb) == 0) sbuf_printf(&sb, "NONE"); } sbuf_trim(&sb); sbuf_finish(&sb); strlcpy(temp, sbuf_data(&sb), sizeof(temp)); sbuf_delete(&sb); error = sysctl_handle_string(oidp, temp, sizeof(temp), req); /* Check for error or no change */ if (error != 0 || req->newptr == NULL) goto out; /* If the user is setting a string, parse it. */ handler_events = 0; cp = temp; while (*cp) { if (isspace(*cp)) { cp++; continue; } ep = cp; while (*ep && !isspace(*ep)) ep++; l = ep - cp; if (l == 0) break; if (strncmp(cp, "NONE", 4) == 0) { cp = ep; continue; } if (l >= 3 && cp[0] == '0' && (cp[1] == 'X' || cp[1] == 'x')) val = strtoul(cp, &ep, 16); else val = strtoul(cp, &ep, 10); if (val == 0 || ep == cp || val >= 8 * sizeof(handler_events)) { cp[l] = '\0'; device_printf(sc->dev, "invalid event code: %s\n", cp); error = EINVAL; goto out; } handler_events |= 1 << (val - 1); cp = ep; } sc->handler_events = handler_events; out: ACPI_SERIAL_END(ibm); return (error); } static int acpi_ibm_brightness_set(struct acpi_ibm_softc *sc, int arg) { int val, step; UINT64 val_ec; ACPI_OBJECT Arg; ACPI_OBJECT_LIST Args; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); if (arg < 0 || arg > 7) return (EINVAL); /* Read the current brightness */ status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); if (ACPI_FAILURE(status)) return (status); if (sc->cmos_handle) { val = val_ec & IBM_EC_MASK_BRI; Args.Count = 1; Args.Pointer = &Arg; Arg.Type = ACPI_TYPE_INTEGER; Arg.Integer.Value = (arg > val) ? IBM_CMOS_BRIGHTNESS_UP : IBM_CMOS_BRIGHTNESS_DOWN; step = (arg > val) ? 1 : -1; for (int i = val; i != arg; i += step) { status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); if (ACPI_FAILURE(status)) { /* Record the last value */ if (i != val) { ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, i - step, 1); } return (status); } } } return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, arg, 1); } static int acpi_ibm_bluetooth_set(struct acpi_ibm_softc *sc, int arg) { int val; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); if (arg < 0 || arg > 1) return (EINVAL); val = (arg == 1) ? sc->wlan_bt_flags | IBM_NAME_MASK_BT : sc->wlan_bt_flags & (~IBM_NAME_MASK_BT); return acpi_SetInteger(sc->handle, IBM_NAME_WLAN_BT_SET, val); } static int acpi_ibm_thinklight_set(struct acpi_ibm_softc *sc, int arg) { ACPI_OBJECT Arg; ACPI_OBJECT_LIST Args; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); if (arg < 0 || arg > 1) return (EINVAL); if (sc->light_set_supported) { Args.Count = 1; Args.Pointer = &Arg; Arg.Type = ACPI_TYPE_INTEGER; Arg.Integer.Value = arg ? sc->light_cmd_on : sc->light_cmd_off; status = AcpiEvaluateObject(sc->light_handle, NULL, &Args, NULL); if (ACPI_SUCCESS(status)) sc->light_val = arg; return (status); } return (0); } static int acpi_ibm_volume_set(struct acpi_ibm_softc *sc, int arg) { int val, step; UINT64 val_ec; ACPI_OBJECT Arg; ACPI_OBJECT_LIST Args; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); if (arg < 0 || arg > 14) return (EINVAL); /* Read the current volume */ status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); if (ACPI_FAILURE(status)) return (status); if (sc->cmos_handle) { val = val_ec & IBM_EC_MASK_VOL; Args.Count = 1; Args.Pointer = &Arg; Arg.Type = ACPI_TYPE_INTEGER; Arg.Integer.Value = (arg > val) ? IBM_CMOS_VOLUME_UP : IBM_CMOS_VOLUME_DOWN; step = (arg > val) ? 1 : -1; for (int i = val; i != arg; i += step) { status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); if (ACPI_FAILURE(status)) { /* Record the last value */ if (i != val) { val_ec = i - step + (val_ec & (~IBM_EC_MASK_VOL)); ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1); } return (status); } } } val_ec = arg + (val_ec & (~IBM_EC_MASK_VOL)); return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1); } static int acpi_ibm_mute_set(struct acpi_ibm_softc *sc, int arg) { UINT64 val_ec; ACPI_OBJECT Arg; ACPI_OBJECT_LIST Args; ACPI_STATUS status; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); ACPI_SERIAL_ASSERT(ibm); if (arg < 0 || arg > 1) return (EINVAL); status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); if (ACPI_FAILURE(status)) return (status); if (sc->cmos_handle) { Args.Count = 1; Args.Pointer = &Arg; Arg.Type = ACPI_TYPE_INTEGER; Arg.Integer.Value = IBM_CMOS_VOLUME_MUTE; status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); if (ACPI_FAILURE(status)) return (status); } val_ec = (arg == 1) ? val_ec | IBM_EC_MASK_MUTE : val_ec & (~IBM_EC_MASK_MUTE); return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1); } static void acpi_ibm_eventhandler(struct acpi_ibm_softc *sc, int arg) { int val; UINT64 val_ec; ACPI_STATUS status; ACPI_SERIAL_BEGIN(ibm); switch (arg) { case IBM_EVENT_SUSPEND_TO_RAM: power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); break; case IBM_EVENT_BLUETOOTH: acpi_ibm_bluetooth_set(sc, (sc->wlan_bt_flags == 0)); break; case IBM_EVENT_BRIGHTNESS_UP: case IBM_EVENT_BRIGHTNESS_DOWN: /* Read the current brightness */ status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); if (ACPI_FAILURE(status)) return; val = val_ec & IBM_EC_MASK_BRI; val = (arg == IBM_EVENT_BRIGHTNESS_UP) ? val + 1 : val - 1; acpi_ibm_brightness_set(sc, val); break; case IBM_EVENT_THINKLIGHT: acpi_ibm_thinklight_set(sc, (sc->light_val == 0)); break; case IBM_EVENT_VOLUME_UP: case IBM_EVENT_VOLUME_DOWN: /* Read the current volume */ status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); if (ACPI_FAILURE(status)) return; val = val_ec & IBM_EC_MASK_VOL; val = (arg == IBM_EVENT_VOLUME_UP) ? val + 1 : val - 1; acpi_ibm_volume_set(sc, val); break; case IBM_EVENT_MUTE: /* Read the current value */ status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); if (ACPI_FAILURE(status)) return; val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE); acpi_ibm_mute_set(sc, (val == 0)); break; default: break; } ACPI_SERIAL_END(ibm); } static void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context) { int event, arg, type; device_t dev = context; struct acpi_ibm_softc *sc = device_get_softc(dev); ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify); if (notify != 0x80) device_printf(dev, "Unknown notify\n"); for (;;) { acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_EVENTS_GET, &event); if (event == 0) break; type = (event >> 12) & 0xf; arg = event & 0xfff; switch (type) { case 1: if (!(sc->events_availmask & (1 << (arg - 1)))) { device_printf(dev, "Unknown key %d\n", arg); break; } /* Execute event handler */ if (sc->handler_events & (1 << (arg - 1))) acpi_ibm_eventhandler(sc, (arg & 0xff)); /* Notify devd(8) */ acpi_UserNotify("IBM", h, (arg & 0xff)); break; default: break; } } }