2 * Copyright (c) 2004 Takanori Watanabe
3 * Copyright (c) 2005 Markus Brueffer <markus@FreeBSD.org>
5 * Copyright (c) 2020 Ali Abdallah <ali.abdallah@suse.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
33 * Driver for extra ACPI-controlled gadgets found on ThinkPad laptops.
34 * Inspired by the ibm-acpi and tpb projects which implement these features
37 * acpi-ibm: <http://ibm-acpi.sourceforge.net/>
38 * tpb: <http://www.nongnu.org/tpb/>
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
46 #include <machine/cpufunc.h>
48 #include <contrib/dev/acpica/include/acpi.h>
49 #include <contrib/dev/acpica/include/accommon.h>
52 #include <sys/module.h>
53 #include <dev/acpica/acpivar.h>
54 #include <dev/led/led.h>
55 #include <sys/power.h>
57 #include <sys/sysctl.h>
60 #define _COMPONENT ACPI_OEM
61 ACPI_MODULE_NAME("IBM")
63 /* Internal methods */
64 #define ACPI_IBM_METHOD_EVENTS 1
65 #define ACPI_IBM_METHOD_EVENTMASK 2
66 #define ACPI_IBM_METHOD_HOTKEY 3
67 #define ACPI_IBM_METHOD_BRIGHTNESS 4
68 #define ACPI_IBM_METHOD_VOLUME 5
69 #define ACPI_IBM_METHOD_MUTE 6
70 #define ACPI_IBM_METHOD_THINKLIGHT 7
71 #define ACPI_IBM_METHOD_BLUETOOTH 8
72 #define ACPI_IBM_METHOD_WLAN 9
73 #define ACPI_IBM_METHOD_FANSPEED 10
74 #define ACPI_IBM_METHOD_FANLEVEL 11
75 #define ACPI_IBM_METHOD_FANSTATUS 12
76 #define ACPI_IBM_METHOD_THERMAL 13
77 #define ACPI_IBM_METHOD_HANDLEREVENTS 14
78 #define ACPI_IBM_METHOD_MIC_LED 15
79 #define ACPI_IBM_METHOD_PRIVACYGUARD 16
82 #define IBM_RTC_HOTKEY1 0x64
83 #define IBM_RTC_MASK_HOME (1 << 0)
84 #define IBM_RTC_MASK_SEARCH (1 << 1)
85 #define IBM_RTC_MASK_MAIL (1 << 2)
86 #define IBM_RTC_MASK_WLAN (1 << 5)
87 #define IBM_RTC_HOTKEY2 0x65
88 #define IBM_RTC_MASK_THINKPAD (1 << 3)
89 #define IBM_RTC_MASK_ZOOM (1 << 5)
90 #define IBM_RTC_MASK_VIDEO (1 << 6)
91 #define IBM_RTC_MASK_HIBERNATE (1 << 7)
92 #define IBM_RTC_THINKLIGHT 0x66
93 #define IBM_RTC_MASK_THINKLIGHT (1 << 4)
94 #define IBM_RTC_SCREENEXPAND 0x67
95 #define IBM_RTC_MASK_SCREENEXPAND (1 << 5)
96 #define IBM_RTC_BRIGHTNESS 0x6c
97 #define IBM_RTC_MASK_BRIGHTNESS (1 << 5)
98 #define IBM_RTC_VOLUME 0x6e
99 #define IBM_RTC_MASK_VOLUME (1 << 7)
101 /* Embedded Controller registers */
102 #define IBM_EC_BRIGHTNESS 0x31
103 #define IBM_EC_MASK_BRI 0x7
104 #define IBM_EC_VOLUME 0x30
105 #define IBM_EC_MASK_VOL 0xf
106 #define IBM_EC_MASK_MUTE (1 << 6)
107 #define IBM_EC_FANSTATUS 0x2F
108 #define IBM_EC_MASK_FANLEVEL 0x3f
109 #define IBM_EC_MASK_FANUNTHROTTLED (1 << 6)
110 #define IBM_EC_MASK_FANSTATUS (1 << 7)
111 #define IBM_EC_FANSPEED 0x84
114 #define IBM_CMOS_VOLUME_DOWN 0
115 #define IBM_CMOS_VOLUME_UP 1
116 #define IBM_CMOS_VOLUME_MUTE 2
117 #define IBM_CMOS_BRIGHTNESS_UP 4
118 #define IBM_CMOS_BRIGHTNESS_DOWN 5
121 #define IBM_NAME_KEYLIGHT "KBLT"
122 #define IBM_NAME_WLAN_BT_GET "GBDC"
123 #define IBM_NAME_WLAN_BT_SET "SBDC"
124 #define IBM_NAME_MASK_BT (1 << 1)
125 #define IBM_NAME_MASK_WLAN (1 << 2)
126 #define IBM_NAME_THERMAL_GET "TMP7"
127 #define IBM_NAME_THERMAL_UPDT "UPDT"
128 #define IBM_NAME_PRIVACYGUARD_GET "GSSS"
129 #define IBM_NAME_PRIVACYGUARD_SET "SSSS"
131 #define IBM_NAME_EVENTS_STATUS_GET "DHKC"
132 #define IBM_NAME_EVENTS_MASK_GET "DHKN"
133 #define IBM_NAME_EVENTS_STATUS_SET "MHKC"
134 #define IBM_NAME_EVENTS_MASK_SET "MHKM"
135 #define IBM_NAME_EVENTS_GET "MHKP"
136 #define IBM_NAME_EVENTS_AVAILMASK "MHKA"
139 #define IBM_EVENT_LCD_BACKLIGHT 0x03
140 #define IBM_EVENT_SUSPEND_TO_RAM 0x04
141 #define IBM_EVENT_BLUETOOTH 0x05
142 #define IBM_EVENT_SCREEN_EXPAND 0x07
143 #define IBM_EVENT_SUSPEND_TO_DISK 0x0c
144 #define IBM_EVENT_BRIGHTNESS_UP 0x10
145 #define IBM_EVENT_BRIGHTNESS_DOWN 0x11
146 #define IBM_EVENT_THINKLIGHT 0x12
147 #define IBM_EVENT_ZOOM 0x14
148 #define IBM_EVENT_VOLUME_UP 0x15
149 #define IBM_EVENT_VOLUME_DOWN 0x16
150 #define IBM_EVENT_MUTE 0x17
151 #define IBM_EVENT_ACCESS_IBM_BUTTON 0x18
153 /* Device-specific register flags */
154 #define IBM_FLAG_PRIVACYGUARD_DEVICE_PRESENT 0x10000
155 #define IBM_FLAG_PRIVACYGUARD_ON 0x1
157 #define ABS(x) (((x) < 0)? -(x) : (x))
159 struct acpi_ibm_softc {
163 /* Embedded controller */
165 ACPI_HANDLE ec_handle;
168 ACPI_HANDLE cmos_handle;
171 ACPI_HANDLE fan_handle;
174 /* Keylight commands and states */
175 ACPI_HANDLE light_handle;
179 int light_get_supported;
180 int light_set_supported;
182 /* led(4) interface */
183 struct cdev *led_dev;
188 ACPI_HANDLE mic_led_handle;
192 int thermal_updt_supported;
194 unsigned int events_availmask;
195 unsigned int events_initialmask;
196 int events_mask_supported;
199 unsigned int handler_events;
201 struct sysctl_ctx_list *sysctl_ctx;
202 struct sysctl_oid *sysctl_tree;
210 } acpi_ibm_sysctls[] = {
213 .method = ACPI_IBM_METHOD_EVENTS,
214 .description = "ACPI events enable",
218 .method = ACPI_IBM_METHOD_EVENTMASK,
219 .description = "ACPI eventmask",
223 .method = ACPI_IBM_METHOD_HOTKEY,
224 .description = "Key Status",
228 .name = "lcd_brightness",
229 .method = ACPI_IBM_METHOD_BRIGHTNESS,
230 .description = "LCD Brightness",
234 .method = ACPI_IBM_METHOD_VOLUME,
235 .description = "Volume",
239 .method = ACPI_IBM_METHOD_MUTE,
240 .description = "Mute",
243 .name = "thinklight",
244 .method = ACPI_IBM_METHOD_THINKLIGHT,
245 .description = "Thinklight enable",
249 .method = ACPI_IBM_METHOD_BLUETOOTH,
250 .description = "Bluetooth enable",
254 .method = ACPI_IBM_METHOD_WLAN,
255 .description = "WLAN enable",
260 .method = ACPI_IBM_METHOD_FANSPEED,
261 .description = "Fan speed",
266 .method = ACPI_IBM_METHOD_FANLEVEL,
267 .description = "Fan level, 0-7 (recommended max), "
268 "8 (unthrottled, full-speed)",
272 .method = ACPI_IBM_METHOD_FANSTATUS,
273 .description = "Fan enable",
277 .method = ACPI_IBM_METHOD_MIC_LED,
278 .description = "Mic led",
281 .name = "privacyguard",
282 .method = ACPI_IBM_METHOD_PRIVACYGUARD,
283 .description = "PrivacyGuard enable",
289 * Per-model default list of event mask.
291 #define ACPI_IBM_HKEY_RFKILL_MASK (1 << 4)
292 #define ACPI_IBM_HKEY_DSWITCH_MASK (1 << 6)
293 #define ACPI_IBM_HKEY_BRIGHTNESS_UP_MASK (1 << 15)
294 #define ACPI_IBM_HKEY_BRIGHTNESS_DOWN_MASK (1 << 16)
295 #define ACPI_IBM_HKEY_SEARCH_MASK (1 << 18)
296 #define ACPI_IBM_HKEY_MICMUTE_MASK (1 << 26)
297 #define ACPI_IBM_HKEY_SETTINGS_MASK (1 << 28)
298 #define ACPI_IBM_HKEY_VIEWOPEN_MASK (1 << 30)
299 #define ACPI_IBM_HKEY_VIEWALL_MASK (1 << 31)
301 struct acpi_ibm_models {
305 } acpi_ibm_models[] = {
306 { "LENOVO", "20BSCTO1WW",
307 ACPI_IBM_HKEY_RFKILL_MASK |
308 ACPI_IBM_HKEY_DSWITCH_MASK |
309 ACPI_IBM_HKEY_BRIGHTNESS_UP_MASK |
310 ACPI_IBM_HKEY_BRIGHTNESS_DOWN_MASK |
311 ACPI_IBM_HKEY_SEARCH_MASK |
312 ACPI_IBM_HKEY_MICMUTE_MASK |
313 ACPI_IBM_HKEY_SETTINGS_MASK |
314 ACPI_IBM_HKEY_VIEWOPEN_MASK |
315 ACPI_IBM_HKEY_VIEWALL_MASK
319 ACPI_SERIAL_DECL(ibm, "ThinkPad ACPI Extras");
321 static int acpi_ibm_probe(device_t dev);
322 static int acpi_ibm_attach(device_t dev);
323 static int acpi_ibm_detach(device_t dev);
324 static int acpi_ibm_resume(device_t dev);
326 static void ibm_led(void *softc, int onoff);
327 static void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused);
329 static int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS);
330 static int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method);
331 static int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method);
332 static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val);
334 static int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val);
335 static int acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS);
336 static int acpi_ibm_handlerevents_sysctl(SYSCTL_HANDLER_ARGS);
337 static void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context);
339 static int acpi_ibm_brightness_set(struct acpi_ibm_softc *sc, int arg);
340 static int acpi_ibm_bluetooth_set(struct acpi_ibm_softc *sc, int arg);
341 static int acpi_ibm_thinklight_set(struct acpi_ibm_softc *sc, int arg);
342 static int acpi_ibm_volume_set(struct acpi_ibm_softc *sc, int arg);
343 static int acpi_ibm_mute_set(struct acpi_ibm_softc *sc, int arg);
344 static int acpi_ibm_privacyguard_get(struct acpi_ibm_softc *sc);
345 static ACPI_STATUS acpi_ibm_privacyguard_set(struct acpi_ibm_softc *sc, int arg);
346 static ACPI_STATUS acpi_ibm_privacyguard_acpi_call(struct acpi_ibm_softc *sc, bool write, int *arg);
348 static int acpi_status_to_errno(ACPI_STATUS status);
350 static device_method_t acpi_ibm_methods[] = {
351 /* Device interface */
352 DEVMETHOD(device_probe, acpi_ibm_probe),
353 DEVMETHOD(device_attach, acpi_ibm_attach),
354 DEVMETHOD(device_detach, acpi_ibm_detach),
355 DEVMETHOD(device_resume, acpi_ibm_resume),
360 static driver_t acpi_ibm_driver = {
363 sizeof(struct acpi_ibm_softc),
366 static devclass_t acpi_ibm_devclass;
368 DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass, 0, 0);
369 MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1);
370 static char *ibm_ids[] = {"IBM0068", "LEN0068", "LEN0268", NULL};
373 acpi_status_to_errno(ACPI_STATUS status)
378 case AE_BAD_PARAMETER:
386 ibm_led(void *softc, int onoff)
388 struct acpi_ibm_softc *sc = softc;
390 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
396 sc->led_state = onoff;
398 AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)ibm_led_task, sc);
402 ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused)
404 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
406 ACPI_SERIAL_BEGIN(ibm);
407 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state);
408 ACPI_SERIAL_END(ibm);
414 acpi_ibm_mic_led_set(struct acpi_ibm_softc *sc, int arg)
416 ACPI_OBJECT_LIST input;
417 ACPI_OBJECT params[1];
420 if (arg < 0 || arg > 1)
423 if (sc->mic_led_handle) {
424 params[0].Type = ACPI_TYPE_INTEGER;
425 params[0].Integer.Value = 0;
426 /* mic led: 0 off, 2 on */
428 params[0].Integer.Value = 2;
430 input.Pointer = params;
433 status = AcpiEvaluateObject(sc->handle, "MMTS", &input, NULL);
434 if (ACPI_SUCCESS(status))
435 sc->mic_led_state = arg;
443 acpi_ibm_probe(device_t dev)
447 if (acpi_disabled("ibm") || device_get_unit(dev) != 0)
449 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_ids, NULL);
452 device_set_desc(dev, "ThinkPad ACPI Extras");
458 acpi_ibm_attach(device_t dev)
462 struct acpi_ibm_softc *sc;
463 char *maker, *product;
464 ACPI_OBJECT_LIST input;
465 ACPI_OBJECT params[1];
468 devclass_t ec_devclass;
470 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
472 sc = device_get_softc(dev);
474 sc->handle = acpi_get_handle(dev);
476 /* Look for the first embedded controller */
477 if (!(ec_devclass = devclass_find ("acpi_ec"))) {
479 device_printf(dev, "Couldn't find acpi_ec devclass\n");
482 if (!(sc->ec_dev = devclass_get_device(ec_devclass, 0))) {
484 device_printf(dev, "Couldn't find acpi_ec device\n");
487 sc->ec_handle = acpi_get_handle(sc->ec_dev);
489 /* Get the sysctl tree */
490 sc->sysctl_ctx = device_get_sysctl_ctx(dev);
491 sc->sysctl_tree = device_get_sysctl_tree(dev);
493 /* Look for event mask and hook up the nodes */
494 sc->events_mask_supported = ACPI_SUCCESS(acpi_GetInteger(sc->handle,
495 IBM_NAME_EVENTS_MASK_GET, &sc->events_initialmask));
497 if (sc->events_mask_supported) {
498 SYSCTL_ADD_UINT(sc->sysctl_ctx,
499 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "initialmask",
500 CTLFLAG_RD, &sc->events_initialmask, 0,
501 "Initial eventmask");
503 if (ACPI_SUCCESS (acpi_GetInteger(sc->handle, "MHKV", &hkey))) {
504 device_printf(dev, "Firmware version is 0x%X\n", hkey);
507 /* The availmask is the bitmask of supported events */
508 if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
509 IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask)))
510 sc->events_availmask = 0xffffffff;
514 result.Length = sizeof(out_obj);
515 result.Pointer = &out_obj;
516 params[0].Type = ACPI_TYPE_INTEGER;
517 params[0].Integer.Value = 1;
518 input.Pointer = params;
521 sc->events_availmask = 0xffffffff;
523 if (ACPI_SUCCESS(AcpiEvaluateObject (sc->handle,
524 IBM_NAME_EVENTS_AVAILMASK, &input, &result)))
525 sc->events_availmask = out_obj.Integer.Value;
528 device_printf(dev, "Unknown firmware version 0x%x\n", hkey);
532 sc->events_availmask = 0xffffffff;
534 SYSCTL_ADD_UINT(sc->sysctl_ctx,
535 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
536 "availmask", CTLFLAG_RD,
537 &sc->events_availmask, 0, "Mask of supported events");
540 /* Hook up proc nodes */
541 for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) {
542 if (!acpi_ibm_sysctl_init(sc, acpi_ibm_sysctls[i].method))
545 if (acpi_ibm_sysctls[i].flag_rdonly != 0) {
546 SYSCTL_ADD_PROC(sc->sysctl_ctx,
547 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
548 acpi_ibm_sysctls[i].name,
549 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
550 sc, i, acpi_ibm_sysctl, "I",
551 acpi_ibm_sysctls[i].description);
553 SYSCTL_ADD_PROC(sc->sysctl_ctx,
554 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
555 acpi_ibm_sysctls[i].name,
556 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
557 sc, i, acpi_ibm_sysctl, "I",
558 acpi_ibm_sysctls[i].description);
562 /* Hook up thermal node */
563 if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_THERMAL)) {
564 SYSCTL_ADD_PROC(sc->sysctl_ctx,
565 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "thermal",
566 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, sc, 0,
567 acpi_ibm_thermal_sysctl, "I", "Thermal zones");
570 /* Hook up handlerevents node */
571 if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_HANDLEREVENTS)) {
572 SYSCTL_ADD_PROC(sc->sysctl_ctx,
573 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "handlerevents",
574 CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
575 acpi_ibm_handlerevents_sysctl, "I",
576 "devd(8) events handled by acpi_ibm");
579 /* Handle notifies */
580 AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
581 acpi_ibm_notify, dev);
583 /* Hook up light to led(4) */
584 if (sc->light_set_supported)
585 sc->led_dev = led_create_state(ibm_led, sc, "thinklight",
586 (sc->light_val ? 1 : 0));
588 /* Enable per-model events. */
589 maker = kern_getenv("smbios.system.maker");
590 product = kern_getenv("smbios.system.product");
591 if (maker == NULL || product == NULL)
594 for (i = 0; i < nitems(acpi_ibm_models); i++) {
595 if (strcmp(maker, acpi_ibm_models[i].maker) == 0 &&
596 strcmp(product, acpi_ibm_models[i].product) == 0) {
597 ACPI_SERIAL_BEGIN(ibm);
598 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK,
599 acpi_ibm_models[i].eventmask);
600 ACPI_SERIAL_END(ibm);
608 /* Enable events by default. */
609 ACPI_SERIAL_BEGIN(ibm);
610 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 1);
611 ACPI_SERIAL_END(ibm);
617 acpi_ibm_detach(device_t dev)
619 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
621 struct acpi_ibm_softc *sc = device_get_softc(dev);
623 /* Disable events and restore eventmask */
624 ACPI_SERIAL_BEGIN(ibm);
625 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0);
626 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask);
627 ACPI_SERIAL_END(ibm);
629 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify);
631 if (sc->led_dev != NULL)
632 led_destroy(sc->led_dev);
638 acpi_ibm_resume(device_t dev)
640 struct acpi_ibm_softc *sc = device_get_softc(dev);
642 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
644 ACPI_SERIAL_BEGIN(ibm);
645 for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) {
648 val = acpi_ibm_sysctl_get(sc, i);
650 if (acpi_ibm_sysctls[i].flag_rdonly != 0)
653 acpi_ibm_sysctl_set(sc, i, val);
655 ACPI_SERIAL_END(ibm);
657 /* The mic led does not turn back on when sysctl_set is called in the above loop */
658 acpi_ibm_mic_led_set(sc, sc->mic_led_state);
664 acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val)
667 ACPI_OBJECT_LIST args;
670 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
671 ACPI_SERIAL_ASSERT(ibm);
675 arg[0].Type = ACPI_TYPE_INTEGER;
676 arg[1].Type = ACPI_TYPE_INTEGER;
678 for (int i = 0; i < 32; ++i) {
679 arg[0].Integer.Value = i + 1;
680 arg[1].Integer.Value = (((1 << i) & val) != 0);
681 status = AcpiEvaluateObject(sc->handle,
682 IBM_NAME_EVENTS_MASK_SET, &args, NULL);
684 if (ACPI_FAILURE(status))
692 acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS)
694 struct acpi_ibm_softc *sc;
700 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
702 sc = (struct acpi_ibm_softc *)oidp->oid_arg1;
703 function = oidp->oid_arg2;
704 method = acpi_ibm_sysctls[function].method;
706 ACPI_SERIAL_BEGIN(ibm);
707 arg = acpi_ibm_sysctl_get(sc, method);
708 error = sysctl_handle_int(oidp, &arg, 0, req);
711 if (error != 0 || req->newptr == NULL)
715 error = acpi_ibm_sysctl_set(sc, method, arg);
718 ACPI_SERIAL_END(ibm);
723 acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method)
728 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
729 ACPI_SERIAL_ASSERT(ibm);
732 case ACPI_IBM_METHOD_EVENTS:
733 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_GET, &val);
736 case ACPI_IBM_METHOD_EVENTMASK:
737 if (sc->events_mask_supported)
738 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &val);
741 case ACPI_IBM_METHOD_HOTKEY:
743 * Construct the hotkey as a bitmask as illustrated below.
744 * Note that whenever a key was pressed, the respecting bit
745 * toggles and nothing else changes.
746 * +--+--+-+-+-+-+-+-+-+-+-+-+
747 * |11|10|9|8|7|6|5|4|3|2|1|0|
748 * +--+--+-+-+-+-+-+-+-+-+-+-+
749 * | | | | | | | | | | | |
750 * | | | | | | | | | | | +- Home Button
751 * | | | | | | | | | | +--- Search Button
752 * | | | | | | | | | +----- Mail Button
753 * | | | | | | | | +------- Thinkpad Button
754 * | | | | | | | +--------- Zoom (Fn + Space)
755 * | | | | | | +----------- WLAN Button
756 * | | | | | +------------- Video Button
757 * | | | | +--------------- Hibernate Button
758 * | | | +----------------- Thinklight Button
759 * | | +------------------- Screen expand (Fn + F8)
760 * | +--------------------- Brightness
761 * +------------------------ Volume/Mute
763 key = rtcin(IBM_RTC_HOTKEY1);
764 val = (IBM_RTC_MASK_HOME | IBM_RTC_MASK_SEARCH | IBM_RTC_MASK_MAIL | IBM_RTC_MASK_WLAN) & key;
765 key = rtcin(IBM_RTC_HOTKEY2);
766 val |= (IBM_RTC_MASK_THINKPAD | IBM_RTC_MASK_VIDEO | IBM_RTC_MASK_HIBERNATE) & key;
767 val |= (IBM_RTC_MASK_ZOOM & key) >> 1;
768 key = rtcin(IBM_RTC_THINKLIGHT);
769 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4;
770 key = rtcin(IBM_RTC_SCREENEXPAND);
771 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4;
772 key = rtcin(IBM_RTC_BRIGHTNESS);
773 val |= (IBM_RTC_MASK_BRIGHTNESS & key) << 5;
774 key = rtcin(IBM_RTC_VOLUME);
775 val |= (IBM_RTC_MASK_VOLUME & key) << 4;
778 case ACPI_IBM_METHOD_BRIGHTNESS:
779 ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1);
780 val = val_ec & IBM_EC_MASK_BRI;
783 case ACPI_IBM_METHOD_VOLUME:
784 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
785 val = val_ec & IBM_EC_MASK_VOL;
788 case ACPI_IBM_METHOD_MUTE:
789 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
790 val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE);
793 case ACPI_IBM_METHOD_THINKLIGHT:
794 if (sc->light_get_supported)
795 acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &val);
800 case ACPI_IBM_METHOD_BLUETOOTH:
801 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val);
802 sc->wlan_bt_flags = val;
803 val = ((val & IBM_NAME_MASK_BT) != 0);
806 case ACPI_IBM_METHOD_WLAN:
807 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val);
808 sc->wlan_bt_flags = val;
809 val = ((val & IBM_NAME_MASK_WLAN) != 0);
812 case ACPI_IBM_METHOD_FANSPEED:
813 if (sc->fan_handle) {
814 if(ACPI_FAILURE(acpi_GetInteger(sc->fan_handle, NULL, &val)))
817 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &val_ec, 2);
822 case ACPI_IBM_METHOD_FANLEVEL:
824 * The IBM_EC_FANSTATUS register works as follows:
825 * Bit 0-5 indicate the level at which the fan operates. Only
826 * values between 0 and 7 have an effect. Everything
827 * above 7 is treated the same as level 7
828 * Bit 6 overrides the fan speed limit if set to 1
829 * Bit 7 indicates at which mode the fan operates:
830 * manual (0) or automatic (1)
832 if (!sc->fan_handle) {
833 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
834 if (val_ec & IBM_EC_MASK_FANUNTHROTTLED)
837 val = val_ec & IBM_EC_MASK_FANLEVEL;
841 case ACPI_IBM_METHOD_FANSTATUS:
842 if (!sc->fan_handle) {
843 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
844 val = (val_ec & IBM_EC_MASK_FANSTATUS) == IBM_EC_MASK_FANSTATUS;
849 case ACPI_IBM_METHOD_MIC_LED:
850 if (sc->mic_led_handle)
851 return sc->mic_led_state;
856 case ACPI_IBM_METHOD_PRIVACYGUARD:
857 val = acpi_ibm_privacyguard_get(sc);
865 acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int arg)
871 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
872 ACPI_SERIAL_ASSERT(ibm);
875 case ACPI_IBM_METHOD_EVENTS:
876 if (arg < 0 || arg > 1)
879 status = acpi_SetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_SET, arg);
880 if (ACPI_FAILURE(status))
882 if (sc->events_mask_supported)
883 return acpi_ibm_eventmask_set(sc, sc->events_availmask);
886 case ACPI_IBM_METHOD_EVENTMASK:
887 if (sc->events_mask_supported)
888 return acpi_ibm_eventmask_set(sc, arg);
891 case ACPI_IBM_METHOD_BRIGHTNESS:
892 return acpi_ibm_brightness_set(sc, arg);
895 case ACPI_IBM_METHOD_VOLUME:
896 return acpi_ibm_volume_set(sc, arg);
899 case ACPI_IBM_METHOD_MUTE:
900 return acpi_ibm_mute_set(sc, arg);
903 case ACPI_IBM_METHOD_MIC_LED:
904 return acpi_ibm_mic_led_set(sc, arg);
907 case ACPI_IBM_METHOD_THINKLIGHT:
908 return acpi_ibm_thinklight_set(sc, arg);
911 case ACPI_IBM_METHOD_BLUETOOTH:
912 return acpi_ibm_bluetooth_set(sc, arg);
915 case ACPI_IBM_METHOD_PRIVACYGUARD:
916 return (acpi_status_to_errno(acpi_ibm_privacyguard_set(sc, arg)));
919 case ACPI_IBM_METHOD_FANLEVEL:
920 if (arg < 0 || arg > 8)
923 if (!sc->fan_handle) {
924 /* Read the current fan status. */
925 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
926 val = val_ec & ~(IBM_EC_MASK_FANLEVEL |
927 IBM_EC_MASK_FANUNTHROTTLED);
930 /* Full speed, set the unthrottled bit. */
931 val |= 7 | IBM_EC_MASK_FANUNTHROTTLED;
935 return (ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, val,
940 case ACPI_IBM_METHOD_FANSTATUS:
941 if (arg < 0 || arg > 1)
944 if (!sc->fan_handle) {
945 /* Read the current fanstatus */
946 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
948 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS,
949 (arg == 1) ? (val_ec | IBM_EC_MASK_FANSTATUS) : (val_ec & (~IBM_EC_MASK_FANSTATUS)), 1);
958 acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method)
961 ACPI_OBJECT_TYPE cmos_t;
962 ACPI_HANDLE ledb_handle;
965 case ACPI_IBM_METHOD_EVENTS:
968 case ACPI_IBM_METHOD_EVENTMASK:
969 return (sc->events_mask_supported);
971 case ACPI_IBM_METHOD_HOTKEY:
972 case ACPI_IBM_METHOD_BRIGHTNESS:
973 case ACPI_IBM_METHOD_VOLUME:
974 case ACPI_IBM_METHOD_MUTE:
975 /* EC is required here, which was already checked before */
978 case ACPI_IBM_METHOD_MIC_LED:
979 if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "MMTS", &sc->mic_led_handle)))
981 /* Turn off mic led by default */
982 acpi_ibm_mic_led_set(sc, 0);
985 sc->mic_led_handle = NULL;
988 case ACPI_IBM_METHOD_THINKLIGHT:
989 sc->cmos_handle = NULL;
990 sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger(
991 sc->ec_handle, IBM_NAME_KEYLIGHT, &sc->light_val));
993 if ((ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\UCMS", &sc->light_handle)) ||
994 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMOS", &sc->light_handle)) ||
995 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMS", &sc->light_handle))) &&
996 ACPI_SUCCESS(AcpiGetType(sc->light_handle, &cmos_t)) &&
997 cmos_t == ACPI_TYPE_METHOD) {
998 sc->light_cmd_on = 0x0c;
999 sc->light_cmd_off = 0x0d;
1000 sc->cmos_handle = sc->light_handle;
1002 else if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\LGHT", &sc->light_handle))) {
1003 sc->light_cmd_on = 1;
1004 sc->light_cmd_off = 0;
1006 sc->light_handle = NULL;
1008 sc->light_set_supported = (sc->light_handle &&
1009 ACPI_FAILURE(AcpiGetHandle(sc->ec_handle, "LEDB", &ledb_handle)));
1011 if (sc->light_get_supported)
1014 if (sc->light_set_supported) {
1021 case ACPI_IBM_METHOD_BLUETOOTH:
1022 case ACPI_IBM_METHOD_WLAN:
1023 if (ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &dummy)))
1027 case ACPI_IBM_METHOD_FANSPEED:
1029 * Some models report the fan speed in levels from 0-7
1030 * Newer models report it contiguously
1033 (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "GFAN", &sc->fan_handle)) ||
1034 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\FSPD", &sc->fan_handle)));
1037 case ACPI_IBM_METHOD_FANLEVEL:
1038 case ACPI_IBM_METHOD_FANSTATUS:
1040 * Fan status is only supported on those models,
1041 * which report fan RPM contiguously, not in levels
1047 case ACPI_IBM_METHOD_THERMAL:
1048 if (ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_GET, &dummy))) {
1049 sc->thermal_updt_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_UPDT, &dummy));
1054 case ACPI_IBM_METHOD_HANDLEREVENTS:
1057 case ACPI_IBM_METHOD_PRIVACYGUARD:
1058 return (acpi_ibm_privacyguard_get(sc) != -1);
1064 acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS)
1066 struct acpi_ibm_softc *sc;
1068 char temp_cmd[] = "TMP0";
1071 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1073 sc = (struct acpi_ibm_softc *)oidp->oid_arg1;
1075 ACPI_SERIAL_BEGIN(ibm);
1077 for (int i = 0; i < 8; ++i) {
1078 temp_cmd[3] = '0' + i;
1081 * The TMPx methods seem to return +/- 128 or 0
1082 * when the respecting sensor is not available
1084 if (ACPI_FAILURE(acpi_GetInteger(sc->ec_handle, temp_cmd,
1085 &temp[i])) || ABS(temp[i]) == 128 || temp[i] == 0)
1087 else if (sc->thermal_updt_supported)
1088 /* Temperature is reported in tenth of Kelvin */
1089 temp[i] = (temp[i] - 2731 + 5) / 10;
1092 error = sysctl_handle_opaque(oidp, &temp, 8*sizeof(int), req);
1094 ACPI_SERIAL_END(ibm);
1099 acpi_ibm_handlerevents_sysctl(SYSCTL_HANDLER_ARGS)
1101 struct acpi_ibm_softc *sc;
1106 unsigned int handler_events;
1109 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1111 sc = (struct acpi_ibm_softc *)oidp->oid_arg1;
1113 if (sbuf_new(&sb, NULL, 128, SBUF_AUTOEXTEND) == NULL)
1116 ACPI_SERIAL_BEGIN(ibm);
1118 /* Get old values if this is a get request. */
1119 if (req->newptr == NULL) {
1120 for (int i = 0; i < 8 * sizeof(sc->handler_events); i++)
1121 if (sc->handler_events & (1 << i))
1122 sbuf_printf(&sb, "0x%02x ", i + 1);
1123 if (sbuf_len(&sb) == 0)
1124 sbuf_printf(&sb, "NONE");
1129 strlcpy(temp, sbuf_data(&sb), sizeof(temp));
1132 error = sysctl_handle_string(oidp, temp, sizeof(temp), req);
1134 /* Check for error or no change */
1135 if (error != 0 || req->newptr == NULL)
1138 /* If the user is setting a string, parse it. */
1149 while (*ep && !isspace(*ep))
1156 if (strncmp(cp, "NONE", 4) == 0) {
1161 if (l >= 3 && cp[0] == '0' && (cp[1] == 'X' || cp[1] == 'x'))
1162 val = strtoul(cp, &ep, 16);
1164 val = strtoul(cp, &ep, 10);
1166 if (val == 0 || ep == cp || val >= 8 * sizeof(handler_events)) {
1168 device_printf(sc->dev, "invalid event code: %s\n", cp);
1173 handler_events |= 1 << (val - 1);
1178 sc->handler_events = handler_events;
1180 ACPI_SERIAL_END(ibm);
1185 acpi_ibm_brightness_set(struct acpi_ibm_softc *sc, int arg)
1190 ACPI_OBJECT_LIST Args;
1193 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1194 ACPI_SERIAL_ASSERT(ibm);
1196 if (arg < 0 || arg > 7)
1199 /* Read the current brightness */
1200 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1);
1201 if (ACPI_FAILURE(status))
1204 if (sc->cmos_handle) {
1205 val = val_ec & IBM_EC_MASK_BRI;
1208 Args.Pointer = &Arg;
1209 Arg.Type = ACPI_TYPE_INTEGER;
1210 Arg.Integer.Value = (arg > val) ? IBM_CMOS_BRIGHTNESS_UP :
1211 IBM_CMOS_BRIGHTNESS_DOWN;
1213 step = (arg > val) ? 1 : -1;
1214 for (int i = val; i != arg; i += step) {
1215 status = AcpiEvaluateObject(sc->cmos_handle, NULL,
1217 if (ACPI_FAILURE(status)) {
1218 /* Record the last value */
1220 ACPI_EC_WRITE(sc->ec_dev,
1221 IBM_EC_BRIGHTNESS, i - step, 1);
1228 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, arg, 1);
1232 acpi_ibm_bluetooth_set(struct acpi_ibm_softc *sc, int arg)
1236 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1237 ACPI_SERIAL_ASSERT(ibm);
1239 if (arg < 0 || arg > 1)
1242 val = (arg == 1) ? sc->wlan_bt_flags | IBM_NAME_MASK_BT :
1243 sc->wlan_bt_flags & (~IBM_NAME_MASK_BT);
1244 return acpi_SetInteger(sc->handle, IBM_NAME_WLAN_BT_SET, val);
1248 acpi_ibm_thinklight_set(struct acpi_ibm_softc *sc, int arg)
1251 ACPI_OBJECT_LIST Args;
1254 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1255 ACPI_SERIAL_ASSERT(ibm);
1257 if (arg < 0 || arg > 1)
1260 if (sc->light_set_supported) {
1262 Args.Pointer = &Arg;
1263 Arg.Type = ACPI_TYPE_INTEGER;
1264 Arg.Integer.Value = arg ? sc->light_cmd_on : sc->light_cmd_off;
1266 status = AcpiEvaluateObject(sc->light_handle, NULL,
1268 if (ACPI_SUCCESS(status))
1269 sc->light_val = arg;
1277 * Helper function to make a get or set ACPI call to the PrivacyGuard handle.
1278 * Only meant to be used internally by the get/set functions below.
1281 acpi_ibm_privacyguard_acpi_call(struct acpi_ibm_softc *sc, bool write, int *arg)
1284 ACPI_OBJECT_LIST Args;
1286 ACPI_OBJECT out_obj;
1289 Arg.Type = ACPI_TYPE_INTEGER;
1290 Arg.Integer.Value = (write ? *arg : 0);
1292 Args.Pointer = &Arg;
1293 result.Length = sizeof(out_obj);
1294 result.Pointer = &out_obj;
1296 status = AcpiEvaluateObject(sc->handle,
1297 (write ? IBM_NAME_PRIVACYGUARD_SET : IBM_NAME_PRIVACYGUARD_GET),
1299 if (ACPI_SUCCESS(status) && !write)
1300 *arg = out_obj.Integer.Value;
1306 * Returns -1 if the device is not present.
1309 acpi_ibm_privacyguard_get(struct acpi_ibm_softc *sc)
1314 status = acpi_ibm_privacyguard_acpi_call(sc, false, &val);
1315 if (ACPI_SUCCESS(status) &&
1316 (val & IBM_FLAG_PRIVACYGUARD_DEVICE_PRESENT))
1317 return (val & IBM_FLAG_PRIVACYGUARD_ON);
1323 acpi_ibm_privacyguard_set(struct acpi_ibm_softc *sc, int arg)
1325 if (arg < 0 || arg > 1)
1326 return (AE_BAD_PARAMETER);
1328 return (acpi_ibm_privacyguard_acpi_call(sc, true, &arg));
1332 acpi_ibm_volume_set(struct acpi_ibm_softc *sc, int arg)
1337 ACPI_OBJECT_LIST Args;
1340 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1341 ACPI_SERIAL_ASSERT(ibm);
1343 if (arg < 0 || arg > 14)
1346 /* Read the current volume */
1347 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
1348 if (ACPI_FAILURE(status))
1351 if (sc->cmos_handle) {
1352 val = val_ec & IBM_EC_MASK_VOL;
1355 Args.Pointer = &Arg;
1356 Arg.Type = ACPI_TYPE_INTEGER;
1357 Arg.Integer.Value = (arg > val) ? IBM_CMOS_VOLUME_UP :
1358 IBM_CMOS_VOLUME_DOWN;
1360 step = (arg > val) ? 1 : -1;
1361 for (int i = val; i != arg; i += step) {
1362 status = AcpiEvaluateObject(sc->cmos_handle, NULL,
1364 if (ACPI_FAILURE(status)) {
1365 /* Record the last value */
1368 (val_ec & (~IBM_EC_MASK_VOL));
1369 ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME,
1377 val_ec = arg + (val_ec & (~IBM_EC_MASK_VOL));
1378 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1);
1382 acpi_ibm_mute_set(struct acpi_ibm_softc *sc, int arg)
1386 ACPI_OBJECT_LIST Args;
1389 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1390 ACPI_SERIAL_ASSERT(ibm);
1392 if (arg < 0 || arg > 1)
1395 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
1396 if (ACPI_FAILURE(status))
1399 if (sc->cmos_handle) {
1401 Args.Pointer = &Arg;
1402 Arg.Type = ACPI_TYPE_INTEGER;
1403 Arg.Integer.Value = IBM_CMOS_VOLUME_MUTE;
1405 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
1406 if (ACPI_FAILURE(status))
1410 val_ec = (arg == 1) ? val_ec | IBM_EC_MASK_MUTE :
1411 val_ec & (~IBM_EC_MASK_MUTE);
1412 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1);
1416 acpi_ibm_eventhandler(struct acpi_ibm_softc *sc, int arg)
1422 ACPI_SERIAL_BEGIN(ibm);
1424 case IBM_EVENT_SUSPEND_TO_RAM:
1425 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
1428 case IBM_EVENT_BLUETOOTH:
1429 acpi_ibm_bluetooth_set(sc, (sc->wlan_bt_flags == 0));
1432 case IBM_EVENT_BRIGHTNESS_UP:
1433 case IBM_EVENT_BRIGHTNESS_DOWN:
1434 /* Read the current brightness */
1435 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS,
1437 if (ACPI_FAILURE(status))
1440 val = val_ec & IBM_EC_MASK_BRI;
1441 val = (arg == IBM_EVENT_BRIGHTNESS_UP) ? val + 1 : val - 1;
1442 acpi_ibm_brightness_set(sc, val);
1445 case IBM_EVENT_THINKLIGHT:
1446 acpi_ibm_thinklight_set(sc, (sc->light_val == 0));
1449 case IBM_EVENT_VOLUME_UP:
1450 case IBM_EVENT_VOLUME_DOWN:
1451 /* Read the current volume */
1452 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
1453 if (ACPI_FAILURE(status))
1456 val = val_ec & IBM_EC_MASK_VOL;
1457 val = (arg == IBM_EVENT_VOLUME_UP) ? val + 1 : val - 1;
1458 acpi_ibm_volume_set(sc, val);
1461 case IBM_EVENT_MUTE:
1462 /* Read the current value */
1463 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
1464 if (ACPI_FAILURE(status))
1467 val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE);
1468 acpi_ibm_mute_set(sc, (val == 0));
1474 ACPI_SERIAL_END(ibm);
1478 acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1480 int event, arg, type;
1481 device_t dev = context;
1482 struct acpi_ibm_softc *sc = device_get_softc(dev);
1484 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
1487 device_printf(dev, "Unknown notify\n");
1490 acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_EVENTS_GET, &event);
1494 type = (event >> 12) & 0xf;
1495 arg = event & 0xfff;
1498 if (!(sc->events_availmask & (1 << (arg - 1)))) {
1499 device_printf(dev, "Unknown key %d\n", arg);
1503 /* Execute event handler */
1504 if (sc->handler_events & (1 << (arg - 1)))
1505 acpi_ibm_eventhandler(sc, (arg & 0xff));
1507 /* Notify devd(8) */
1508 acpi_UserNotify("IBM", h, (arg & 0xff));