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Sync ACPI with FreeBSD 7.2
[dragonfly.git] / sys / dev / acpica5 / acpi_thinkpad / acpi_thinkpad.c
blob03622fb56f07885ad0490c19f8b7c04acac5ca5d
1 /*-
2 * Copyright (c) 2004 Takanori Watanabe
3 * Copyright (c) 2005 Markus Brueffer <markus@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 * $FreeBSD: src/sys/dev/acpi_support/acpi_ibm.c,v 1.19 2009/06/05 18:44:36 jkim
27 */
28
29 #include <sys/cdefs.h>
30
31 /*
32 * Driver for extra ACPI-controlled gadgets found on IBM ThinkPad laptops.
33 * Inspired by the ibm-acpi and tpb projects which implement these features
34 * on Linux.
35 *
36 * acpi-ibm: <http://ibm-acpi.sourceforge.net/>
37 * tpb: <http://www.nongnu.org/tpb/>
38 */
39
40 #include "opt_acpi.h"
41 #include <sys/param.h>
42 #include <sys/kernel.h>
43 #include <sys/bus.h>
44 #include <sys/sensors.h>
45 #include <machine/cpufunc.h>
46 #include <machine/clock.h>
47
48 #include "acpi.h"
49 #include "accommon.h"
50
51 #include "acpi_if.h"
52 #include <sys/module.h>
53 #include <dev/acpica5/acpivar.h>
54 #if defined(__FreeBSD__)
55 #include <dev/led/led.h>
56 #endif
57 #include <sys/sysctl.h>
58 #include <bus/isa/rtc.h>
59
60 #define _COMPONENT ACPI_OEM
61 ACPI_MODULE_NAME("IBM")
62
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
78 /* Hotkeys/Buttons */
79 #define IBM_RTC_HOTKEY1 0x64
80 #define IBM_RTC_MASK_HOME (1 << 0)
81 #define IBM_RTC_MASK_SEARCH (1 << 1)
82 #define IBM_RTC_MASK_MAIL (1 << 2)
83 #define IBM_RTC_MASK_WLAN (1 << 5)
84 #define IBM_RTC_HOTKEY2 0x65
85 #define IBM_RTC_MASK_THINKPAD (1 << 3)
86 #define IBM_RTC_MASK_ZOOM (1 << 5)
87 #define IBM_RTC_MASK_VIDEO (1 << 6)
88 #define IBM_RTC_MASK_HIBERNATE (1 << 7)
89 #define IBM_RTC_THINKLIGHT 0x66
90 #define IBM_RTC_MASK_THINKLIGHT (1 << 4)
91 #define IBM_RTC_SCREENEXPAND 0x67
92 #define IBM_RTC_MASK_SCREENEXPAND (1 << 5)
93 #define IBM_RTC_BRIGHTNESS 0x6c
94 #define IBM_RTC_MASK_BRIGHTNESS (1 << 5)
95 #define IBM_RTC_VOLUME 0x6e
96 #define IBM_RTC_MASK_VOLUME (1 << 7)
97
98 /* Embedded Controller registers */
99 #define IBM_EC_BRIGHTNESS 0x31
100 #define IBM_EC_MASK_BRI 0x7
101 #define IBM_EC_VOLUME 0x30
102 #define IBM_EC_MASK_VOL 0xf
103 #define IBM_EC_MASK_MUTE (1 << 6)
104 #define IBM_EC_FANSTATUS 0x2F
105 #define IBM_EC_MASK_FANLEVEL 0x3f
106 #define IBM_EC_MASK_FANDISENGAGED (1 << 6)
107 #define IBM_EC_MASK_FANSTATUS (1 << 7)
108 #define IBM_EC_FANSPEED 0x84
109
110 /* CMOS Commands */
111 #define IBM_CMOS_VOLUME_DOWN 0
112 #define IBM_CMOS_VOLUME_UP 1
113 #define IBM_CMOS_VOLUME_MUTE 2
114 #define IBM_CMOS_BRIGHTNESS_UP 4
115 #define IBM_CMOS_BRIGHTNESS_DOWN 5
116
117 /* ACPI methods */
118 #define IBM_NAME_KEYLIGHT "KBLT"
119 #define IBM_NAME_WLAN_BT_GET "GBDC"
120 #define IBM_NAME_WLAN_BT_SET "SBDC"
121 #define IBM_NAME_MASK_BT (1 << 1)
122 #define IBM_NAME_MASK_WLAN (1 << 2)
123 #define IBM_NAME_THERMAL_GET "TMP7"
124 #define IBM_NAME_THERMAL_UPDT "UPDT"
125
126 #define IBM_NAME_EVENTS_STATUS_GET "DHKC"
127 #define IBM_NAME_EVENTS_MASK_GET "DHKN"
128 #define IBM_NAME_EVENTS_STATUS_SET "MHKC"
129 #define IBM_NAME_EVENTS_MASK_SET "MHKM"
130 #define IBM_NAME_EVENTS_GET "MHKP"
131 #define IBM_NAME_EVENTS_AVAILMASK "MHKA"
132
133 #define IBM_NUM_SENSORS 9
134 #define IBM_THERMAL_SENSORS 8
135
136 #define ABS(x) (((x) < 0)? -(x) : (x))
137
138 struct acpi_ibm_softc {
139 device_t dev;
140 ACPI_HANDLE handle;
141
142 /* Embedded controller */
143 device_t ec_dev;
144 ACPI_HANDLE ec_handle;
145
146 /* CMOS */
147 ACPI_HANDLE cmos_handle;
148
149 /* Fan status */
150 ACPI_HANDLE fan_handle;
151 int fan_levels;
152
153 /* Keylight commands and states */
154 ACPI_HANDLE light_handle;
155 int light_cmd_on;
156 int light_cmd_off;
157 int light_val;
158 int light_get_supported;
159 int light_set_supported;
160
161 /* led(4) interface */
162 struct cdev *led_dev;
163 int led_busy;
164 int led_state;
165
166 int wlan_bt_flags;
167 int thermal_updt_supported;
168
169 unsigned int events_availmask;
170 unsigned int events_initialmask;
171 int events_mask_supported;
172 int events_enable;
173
174 /* sensors(9) related */
175 struct ksensordev sensordev;
176 struct ksensor sensors[IBM_NUM_SENSORS];
177
178 struct sysctl_ctx_list sysctl_ctx;
179 struct sysctl_oid *sysctl_tree;
180 };
181
182 static struct {
183 char *name;
184 int method;
185 char *description;
186 int access;
187 } acpi_ibm_sysctls[] = {
188 {
189 .name = "events",
190 .method = ACPI_IBM_METHOD_EVENTS,
191 .description = "ACPI events enable",
192 .access = CTLTYPE_INT | CTLFLAG_RW
193 },
194 {
195 .name = "eventmask",
196 .method = ACPI_IBM_METHOD_EVENTMASK,
197 .description = "ACPI eventmask",
198 .access = CTLTYPE_INT | CTLFLAG_RW
199 },
200 {
201 .name = "hotkey",
202 .method = ACPI_IBM_METHOD_HOTKEY,
203 .description = "Key Status",
204 .access = CTLTYPE_INT | CTLFLAG_RD
205 },
206 {
207 .name = "lcd_brightness",
208 .method = ACPI_IBM_METHOD_BRIGHTNESS,
209 .description = "LCD Brightness",
210 .access = CTLTYPE_INT | CTLFLAG_RW
211 },
212 {
213 .name = "volume",
214 .method = ACPI_IBM_METHOD_VOLUME,
215 .description = "Volume",
216 .access = CTLTYPE_INT | CTLFLAG_RW
217 },
218 {
219 .name = "mute",
220 .method = ACPI_IBM_METHOD_MUTE,
221 .description = "Mute",
222 .access = CTLTYPE_INT | CTLFLAG_RW
223 },
224 {
225 .name = "thinklight",
226 .method = ACPI_IBM_METHOD_THINKLIGHT,
227 .description = "Thinklight enable",
228 .access = CTLTYPE_INT | CTLFLAG_RW
229 },
230 {
231 .name = "bluetooth",
232 .method = ACPI_IBM_METHOD_BLUETOOTH,
233 .description = "Bluetooth enable",
234 .access = CTLTYPE_INT | CTLFLAG_RW
235 },
236 {
237 .name = "wlan",
238 .method = ACPI_IBM_METHOD_WLAN,
239 .description = "WLAN enable",
240 .access = CTLTYPE_INT | CTLFLAG_RD
241 },
242 {
243 .name = "fan_speed",
244 .method = ACPI_IBM_METHOD_FANSPEED,
245 .description = "Fan speed",
246 .access = CTLTYPE_INT | CTLFLAG_RD
247 },
248 {
249 .name = "fan_level",
250 .method = ACPI_IBM_METHOD_FANLEVEL,
251 .description = "Fan level",
252 .access = CTLTYPE_INT | CTLFLAG_RW
253 },
254 {
255 .name = "fan",
256 .method = ACPI_IBM_METHOD_FANSTATUS,
257 .description = "Fan enable",
258 .access = CTLTYPE_INT | CTLFLAG_RW
259 },
260
261 { NULL, 0, NULL, 0 }
262 };
263
264 ACPI_SERIAL_DECL(ibm, "ACPI IBM extras");
265
266 static int acpi_ibm_probe(device_t dev);
267 static int acpi_ibm_attach(device_t dev);
268 static int acpi_ibm_detach(device_t dev);
269
270 #if defined(__FreeBSD__)
271 static void ibm_led(void *softc, int onoff);
272 static void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused);
273 #endif
274
275 static int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS);
276 static int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method);
277 static int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method);
278 static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val);
279
280 static int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val);
281 static void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context);
282
283 static void acpi_ibm_refresh(void *);
284
285 static device_method_t acpi_ibm_methods[] = {
286 /* Device interface */
287 DEVMETHOD(device_probe, acpi_ibm_probe),
288 DEVMETHOD(device_attach, acpi_ibm_attach),
289 DEVMETHOD(device_detach, acpi_ibm_detach),
290
291 {0, 0}
292 };
293
294 static driver_t acpi_ibm_driver = {
295 "acpi_ibm",
296 acpi_ibm_methods,
297 sizeof(struct acpi_ibm_softc),
298 };
299
300 static devclass_t acpi_ibm_devclass;
301
302 DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass,
303 0, 0);
304 MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1);
305 static char *ibm_ids[] = {"IBM0057", "IBM0068", NULL};
306
307 #if defined(__FreeBSD__)
308 static void
309 ibm_led(void *softc, int onoff)
310 {
311 struct acpi_ibm_softc* sc = (struct acpi_ibm_softc*) softc;
312
313 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
314
315 if (sc->led_busy)
316 return;
317
318 sc->led_busy = 1;
319 sc->led_state = onoff;
320
321 AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)ibm_led_task, sc);
322 }
323
324 static void
325 ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused)
326 {
327 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
328
329 ACPI_SERIAL_BEGIN(ibm);
330 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state);
331 ACPI_SERIAL_END(ibm);
332
333 sc->led_busy = 0;
334 }
335 #endif
336
337 static int
338 acpi_ibm_probe(device_t dev)
339 {
340 if (acpi_disabled("ibm") ||
341 ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_ids) == NULL ||
342 device_get_unit(dev) != 0)
343 return (ENXIO);
344
345 device_set_desc(dev, "IBM ThinkPad ACPI Extras");
346
347 return (0);
348 }
349
350 static int
351 acpi_ibm_attach(device_t dev)
352 {
353 struct acpi_ibm_softc *sc;
354 devclass_t ec_devclass;
355 struct acpi_softc *acpi_sc;
356 int i;
357
358 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
359
360 sc = device_get_softc(dev);
361 sc->dev = dev;
362 sc->handle = acpi_get_handle(dev);
363
364 /* Look for the first embedded controller */
365 if (!(ec_devclass = devclass_find ("acpi_ec"))) {
366 if (bootverbose)
367 device_printf(dev, "Couldn't find acpi_ec devclass\n");
368 return (EINVAL);
369 }
370 if (!(sc->ec_dev = devclass_get_device(ec_devclass, 0))) {
371 if (bootverbose)
372 device_printf(dev, "Couldn't find acpi_ec device\n");
373 return (EINVAL);
374 }
375 sc->ec_handle = acpi_get_handle(sc->ec_dev);
376 acpi_sc = acpi_device_get_parent_softc(dev);
377
378 ACPI_SERIAL_BEGIN(ibm);
379
380 /* Get the sysctl tree */
381 sysctl_ctx_init(&sc->sysctl_ctx);
382 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
383 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
384 "thinkpad", CTLFLAG_RD, 0, "");
385
386 /* Look for event mask and hook up the nodes */
387 sc->events_mask_supported = ACPI_SUCCESS(acpi_GetInteger(sc->handle,
388 IBM_NAME_EVENTS_MASK_GET, &sc->events_initialmask));
389
390 if (sc->events_mask_supported) {
391 SYSCTL_ADD_INT(&sc->sysctl_ctx,
392 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
393 "initialmask", CTLFLAG_RD,
394 &sc->events_initialmask, 0, "Initial eventmask");
395
396 /* The availmask is the bitmask of supported events */
397 if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
398 IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask)))
399 sc->events_availmask = 0xffffffff;
400
401 SYSCTL_ADD_INT(&sc->sysctl_ctx,
402 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
403 "availmask", CTLFLAG_RD,
404 &sc->events_availmask, 0, "Mask of supported events");
405 }
406
407 /* Hook up proc nodes */
408 for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) {
409 if (!acpi_ibm_sysctl_init(sc, acpi_ibm_sysctls[i].method))
410 continue;
411
412 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
413 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
414 acpi_ibm_sysctls[i].name, acpi_ibm_sysctls[i].access,
415 sc, i, acpi_ibm_sysctl, "I",
416 acpi_ibm_sysctls[i].description);
417 }
418 ACPI_SERIAL_END(ibm);
419
420 /* Handle notifies */
421 AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
422 acpi_ibm_notify, dev);
423
424 /* Attach sensors(9). */
425 if (sensor_task_register(sc, acpi_ibm_refresh, 5)) {
426 device_printf(sc->dev, "unable to register update task\n");
427 return 1;
428 }
429 strlcpy(sc->sensordev.xname, device_get_nameunit(sc->dev),
430 sizeof(sc->sensordev.xname));
431
432 for (i = 0; i < IBM_THERMAL_SENSORS; i++) {
433 sc->sensors[i].type = SENSOR_TEMP;
434 sensor_attach(&sc->sensordev, &sc->sensors[i]);
435 }
436
437 sc->sensors[i].type = SENSOR_FANRPM;
438 sensor_attach(&sc->sensordev, &sc->sensors[i]);
439
440 sensordev_install(&sc->sensordev);
441
442 #if defined(__FreeBSD__)
443 /* Hook up light to led(4) */
444 if (sc->light_set_supported)
445 sc->led_dev = led_create_state(ibm_led, sc, "thinklight", sc->light_val);
446 #endif
447
448 return (0);
449 }
450
451 static int
452 acpi_ibm_detach(device_t dev)
453 {
454 int i;
455 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
456
457 struct acpi_ibm_softc *sc = device_get_softc(dev);
458
459 /* Disable events and restore eventmask */
460 ACPI_SERIAL_BEGIN(ibm);
461 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0);
462 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask);
463 ACPI_SERIAL_END(ibm);
464
465 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify);
466
467 sensordev_deinstall(&sc->sensordev);
468 for (i = 0; i < IBM_THERMAL_SENSORS; i++)
469 sensor_detach(&sc->sensordev, &sc->sensors[i]);
470 sensor_task_unregister(sc);
471
472 #if defined(__FreeBSD__)
473 if (sc->led_dev != NULL)
474 led_destroy(sc->led_dev);
475 #endif
476
477 return (0);
478 }
479
480 static int
481 acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val)
482 {
483 ACPI_OBJECT arg[2];
484 ACPI_OBJECT_LIST args;
485 ACPI_STATUS status;
486
487 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
488 ACPI_SERIAL_ASSERT(ibm);
489
490 args.Count = 2;
491 args.Pointer = arg;
492 arg[0].Type = ACPI_TYPE_INTEGER;
493 arg[1].Type = ACPI_TYPE_INTEGER;
494
495 for (int i = 0; i < 32; ++i) {
496 arg[0].Integer.Value = i+1;
497 arg[1].Integer.Value = (((1 << i) & val) != 0);
498 status = AcpiEvaluateObject(sc->handle,
499 IBM_NAME_EVENTS_MASK_SET, &args, NULL);
500
501 if (ACPI_FAILURE(status))
502 return (status);
503 }
504
505 return (0);
506 }
507
508 static int
509 acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS)
510 {
511 struct acpi_ibm_softc *sc;
512 int arg;
513 int error = 0;
514 int function;
515 int method;
516
517 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
518
519 sc = (struct acpi_ibm_softc *)oidp->oid_arg1;
520 function = oidp->oid_arg2;
521 method = acpi_ibm_sysctls[function].method;
522
523 ACPI_SERIAL_BEGIN(ibm);
524 arg = acpi_ibm_sysctl_get(sc, method);
525 error = sysctl_handle_int(oidp, &arg, 0, req);
526
527 /* Sanity check */
528 if (error != 0 || req->newptr == NULL)
529 goto out;
530
531 /* Update */
532 error = acpi_ibm_sysctl_set(sc, method, arg);
533
534 out:
535 ACPI_SERIAL_END(ibm);
536 return (error);
537 }
538
539 static int
540 acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method)
541 {
542 ACPI_INTEGER val_ec;
543 int val = 0, key;
544
545 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
546 ACPI_SERIAL_ASSERT(ibm);
547
548 switch (method) {
549 case ACPI_IBM_METHOD_EVENTS:
550 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_GET, &val);
551 break;
552
553 case ACPI_IBM_METHOD_EVENTMASK:
554 if (sc->events_mask_supported)
555 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &val);
556 break;
557
558 case ACPI_IBM_METHOD_HOTKEY:
559 /*
560 * Construct the hotkey as a bitmask as illustrated below.
561 * Note that whenever a key was pressed, the respecting bit
562 * toggles and nothing else changes.
563 * +--+--+-+-+-+-+-+-+-+-+-+-+
564 * |11|10|9|8|7|6|5|4|3|2|1|0|
565 * +--+--+-+-+-+-+-+-+-+-+-+-+
566 * | | | | | | | | | | | |
567 * | | | | | | | | | | | +- Home Button
568 * | | | | | | | | | | +--- Search Button
569 * | | | | | | | | | +----- Mail Button
570 * | | | | | | | | +------- Thinkpad Button
571 * | | | | | | | +--------- Zoom (Fn + Space)
572 * | | | | | | +----------- WLAN Button
573 * | | | | | +------------- Video Button
574 * | | | | +--------------- Hibernate Button
575 * | | | +----------------- Thinklight Button
576 * | | +------------------- Screen expand (Fn + F8)
577 * | +--------------------- Brightness
578 * +------------------------ Volume/Mute
579 */
580 key = rtcin(IBM_RTC_HOTKEY1);
581 val = (IBM_RTC_MASK_HOME | IBM_RTC_MASK_SEARCH | IBM_RTC_MASK_MAIL | IBM_RTC_MASK_WLAN) & key;
582 key = rtcin(IBM_RTC_HOTKEY2);
583 val |= (IBM_RTC_MASK_THINKPAD | IBM_RTC_MASK_VIDEO | IBM_RTC_MASK_HIBERNATE) & key;
584 val |= (IBM_RTC_MASK_ZOOM & key) >> 1;
585 key = rtcin(IBM_RTC_THINKLIGHT);
586 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4;
587 key = rtcin(IBM_RTC_SCREENEXPAND);
588 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4;
589 key = rtcin(IBM_RTC_BRIGHTNESS);
590 val |= (IBM_RTC_MASK_BRIGHTNESS & key) << 5;
591 key = rtcin(IBM_RTC_VOLUME);
592 val |= (IBM_RTC_MASK_VOLUME & key) << 4;
593 break;
594
595 case ACPI_IBM_METHOD_BRIGHTNESS:
596 ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1);
597 val = val_ec & IBM_EC_MASK_BRI;
598 break;
599
600 case ACPI_IBM_METHOD_VOLUME:
601 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
602 val = val_ec & IBM_EC_MASK_VOL;
603 break;
604
605 case ACPI_IBM_METHOD_MUTE:
606 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
607 val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE);
608 break;
609
610 case ACPI_IBM_METHOD_THINKLIGHT:
611 if (sc->light_get_supported)
612 acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &val);
613 else
614 val = sc->light_val;
615 break;
616
617 case ACPI_IBM_METHOD_BLUETOOTH:
618 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val);
619 sc->wlan_bt_flags = val;
620 val = ((val & IBM_NAME_MASK_BT) != 0);
621 break;
622
623 case ACPI_IBM_METHOD_WLAN:
624 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val);
625 sc->wlan_bt_flags = val;
626 val = ((val & IBM_NAME_MASK_WLAN) != 0);
627 break;
628
629 case ACPI_IBM_METHOD_FANSPEED:
630 if (sc->fan_handle) {
631 if(ACPI_FAILURE(acpi_GetInteger(sc->fan_handle, NULL, &val)))
632 val = -1;
633 }
634 else {
635 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &val_ec, 2);
636 val = val_ec;
637 }
638 break;
639
640 case ACPI_IBM_METHOD_FANLEVEL:
641 /*
642 * The IBM_EC_FANSTATUS register works as follows:
643 * Bit 0-5 indicate the level at which the fan operates. Only
644 * values between 0 and 7 have an effect. Everything
645 * above 7 is treated the same as level 7
646 * Bit 6 overrides the fan speed limit if set to 1
647 * Bit 7 indicates at which mode the fan operates:
648 * manual (0) or automatic (1)
649 */
650 if (!sc->fan_handle) {
651 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
652 val = val_ec & IBM_EC_MASK_FANLEVEL;
653 }
654 break;
655
656 case ACPI_IBM_METHOD_FANSTATUS:
657 if (!sc->fan_handle) {
658 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
659 val = (val_ec & IBM_EC_MASK_FANSTATUS) == IBM_EC_MASK_FANSTATUS;
660 }
661 else
662 val = -1;
663 break;
664 }
665
666 return (val);
667 }
668
669 static int
670 acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int arg)
671 {
672 int val, step;
673 ACPI_INTEGER val_ec;
674 ACPI_OBJECT Arg;
675 ACPI_OBJECT_LIST Args;
676 ACPI_STATUS status;
677
678 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
679 ACPI_SERIAL_ASSERT(ibm);
680
681 switch (method) {
682 case ACPI_IBM_METHOD_EVENTS:
683 if (arg < 0 || arg > 1)
684 return (EINVAL);
685
686 status = acpi_SetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_SET, arg);
687 if (ACPI_FAILURE(status))
688 return (status);
689 if (sc->events_mask_supported)
690 return acpi_ibm_eventmask_set(sc, sc->events_availmask);
691 break;
692
693 case ACPI_IBM_METHOD_EVENTMASK:
694 if (sc->events_mask_supported)
695 return acpi_ibm_eventmask_set(sc, arg);
696 break;
697
698 case ACPI_IBM_METHOD_BRIGHTNESS:
699 if (arg < 0 || arg > 7)
700 return (EINVAL);
701
702 if (sc->cmos_handle) {
703 /* Read the current brightness */
704 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1);
705 if (ACPI_FAILURE(status))
706 return (status);
707 val = val_ec & IBM_EC_MASK_BRI;
708
709 Args.Count = 1;
710 Args.Pointer = &Arg;
711 Arg.Type = ACPI_TYPE_INTEGER;
712 Arg.Integer.Value = (arg > val) ? IBM_CMOS_BRIGHTNESS_UP : IBM_CMOS_BRIGHTNESS_DOWN;
713
714 step = (arg > val) ? 1 : -1;
715 for (int i = val; i != arg; i += step) {
716 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
717 if (ACPI_FAILURE(status))
718 break;
719 }
720 }
721 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, arg, 1);
722 break;
723
724 case ACPI_IBM_METHOD_VOLUME:
725 if (arg < 0 || arg > 14)
726 return (EINVAL);
727
728 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
729 if (ACPI_FAILURE(status))
730 return (status);
731
732 if (sc->cmos_handle) {
733 val = val_ec & IBM_EC_MASK_VOL;
734
735 Args.Count = 1;
736 Args.Pointer = &Arg;
737 Arg.Type = ACPI_TYPE_INTEGER;
738 Arg.Integer.Value = (arg > val) ? IBM_CMOS_VOLUME_UP : IBM_CMOS_VOLUME_DOWN;
739
740 step = (arg > val) ? 1 : -1;
741 for (int i = val; i != arg; i += step) {
742 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
743 if (ACPI_FAILURE(status))
744 break;
745 }
746 }
747 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, arg + (val_ec & (~IBM_EC_MASK_VOL)), 1);
748 break;
749
750 case ACPI_IBM_METHOD_MUTE:
751 if (arg < 0 || arg > 1)
752 return (EINVAL);
753
754 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
755 if (ACPI_FAILURE(status))
756 return (status);
757
758 if (sc->cmos_handle) {
759 val = val_ec & IBM_EC_MASK_VOL;
760
761 Args.Count = 1;
762 Args.Pointer = &Arg;
763 Arg.Type = ACPI_TYPE_INTEGER;
764 Arg.Integer.Value = IBM_CMOS_VOLUME_MUTE;
765
766 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
767 if (ACPI_FAILURE(status))
768 break;
769 }
770 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, (arg==1) ? val_ec | IBM_EC_MASK_MUTE : val_ec & (~IBM_EC_MASK_MUTE), 1);
771 break;
772
773 case ACPI_IBM_METHOD_THINKLIGHT:
774 if (arg < 0 || arg > 1)
775 return (EINVAL);
776
777 if (sc->light_set_supported) {
778 Args.Count = 1;
779 Args.Pointer = &Arg;
780 Arg.Type = ACPI_TYPE_INTEGER;
781 Arg.Integer.Value = arg ? sc->light_cmd_on : sc->light_cmd_off;
782
783 status = AcpiEvaluateObject(sc->light_handle, NULL, &Args, NULL);
784 if (ACPI_SUCCESS(status))
785 sc->light_val = arg;
786 return (status);
787 }
788 break;
789
790 case ACPI_IBM_METHOD_BLUETOOTH:
791 if (arg < 0 || arg > 1)
792 return (EINVAL);
793
794 val = (arg == 1) ? sc->wlan_bt_flags | IBM_NAME_MASK_BT : sc->wlan_bt_flags & (~IBM_NAME_MASK_BT);
795 return acpi_SetInteger(sc->handle, IBM_NAME_WLAN_BT_SET, val);
796 break;
797
798 case ACPI_IBM_METHOD_FANLEVEL:
799 if (arg < 0 || arg > 7)
800 return (EINVAL);
801
802 if (!sc->fan_handle) {
803 /* Read the current fanstatus */
804 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
805 val = val_ec & (~IBM_EC_MASK_FANLEVEL);
806
807 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, val | arg, 1);
808 }
809 break;
810
811 case ACPI_IBM_METHOD_FANSTATUS:
812 if (arg < 0 || arg > 1)
813 return (EINVAL);
814
815 if (!sc->fan_handle) {
816 /* Read the current fanstatus */
817 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
818
819 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS,
820 (arg == 1) ? (val_ec | IBM_EC_MASK_FANSTATUS) : (val_ec & (~IBM_EC_MASK_FANSTATUS)), 1);
821 }
822 break;
823 }
824
825 return (0);
826 }
827
828 static int
829 acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method)
830 {
831 int dummy;
832 ACPI_OBJECT_TYPE cmos_t;
833 ACPI_HANDLE ledb_handle;
834
835 switch (method) {
836 case ACPI_IBM_METHOD_EVENTS:
837 /* Events are disabled by default */
838 return (TRUE);
839
840 case ACPI_IBM_METHOD_EVENTMASK:
841 return (sc->events_mask_supported);
842
843 case ACPI_IBM_METHOD_HOTKEY:
844 case ACPI_IBM_METHOD_BRIGHTNESS:
845 case ACPI_IBM_METHOD_VOLUME:
846 case ACPI_IBM_METHOD_MUTE:
847 /* EC is required here, which was aready checked before */
848 return (TRUE);
849
850 case ACPI_IBM_METHOD_THINKLIGHT:
851 sc->cmos_handle = NULL;
852 sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger(
853 sc->ec_handle, IBM_NAME_KEYLIGHT, &sc->light_val));
854
855 if ((ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\UCMS", &sc->light_handle)) ||
856 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMOS", &sc->light_handle)) ||
857 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMS", &sc->light_handle))) &&
858 ACPI_SUCCESS(AcpiGetType(sc->light_handle, &cmos_t)) &&
859 cmos_t == ACPI_TYPE_METHOD) {
860 sc->light_cmd_on = 0x0c;
861 sc->light_cmd_off = 0x0d;
862 sc->cmos_handle = sc->light_handle;
863 }
864 else if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\LGHT", &sc->light_handle))) {
865 sc->light_cmd_on = 1;
866 sc->light_cmd_off = 0;
867 }
868 else
869 sc->light_handle = NULL;
870
871 sc->light_set_supported = (sc->light_handle &&
872 ACPI_FAILURE(AcpiGetHandle(sc->ec_handle, "LEDB", &ledb_handle)));
873
874 if (sc->light_get_supported)
875 return (TRUE);
876
877 if (sc->light_set_supported) {
878 sc->light_val = 0;
879 return (TRUE);
880 }
881
882 return (FALSE);
883
884 case ACPI_IBM_METHOD_BLUETOOTH:
885 case ACPI_IBM_METHOD_WLAN:
886 if (ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &dummy)))
887 return (TRUE);
888 return (FALSE);
889
890 case ACPI_IBM_METHOD_FANSPEED:
891 /*
892 * Some models report the fan speed in levels from 0-7
893 * Newer models report it contiguously
894 */
895 sc->fan_levels =
896 (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "GFAN", &sc->fan_handle)) ||
897 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\FSPD", &sc->fan_handle)));
898 return (TRUE);
899
900 case ACPI_IBM_METHOD_FANLEVEL:
901 case ACPI_IBM_METHOD_FANSTATUS:
902 /*
903 * Fan status is only supported on those models,
904 * which report fan RPM contiguously, not in levels
905 */
906 if (sc->fan_levels)
907 return (FALSE);
908 return (TRUE);
909
910 case ACPI_IBM_METHOD_THERMAL:
911 if (ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_GET, &dummy))) {
912 sc->thermal_updt_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_UPDT, &dummy));
913 return (TRUE);
914 }
915 return (FALSE);
916 }
917 return (FALSE);
918 }
919
920 void
921 acpi_ibm_refresh(void *arg)
922 {
923 struct acpi_ibm_softc *sc;
924 char temp_cmd[] = "TMP0";
925 int i, data, temp[8];
926 ACPI_INTEGER speed;
927
928 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
929
930 sc = (struct acpi_ibm_softc *)arg;
931
932 ACPI_SERIAL_BEGIN(ibm);
933
934 for (i = 0; i < IBM_THERMAL_SENSORS; ++i) {
935 temp_cmd[3] = '0' + i;
936
937 /*
938 * The TMPx methods seem to return +/- 128 or 0
939 * when the respecting sensor is not available
940 */
941 if (ACPI_FAILURE(acpi_GetInteger(sc->ec_handle, temp_cmd,
942 &temp[i])) || ABS(temp[i]) == 128 || temp[i] == 0) {
943 sc->sensors[i].flags |= SENSOR_FINVALID;
944 data = 0;
945 }
946 else if (sc->thermal_updt_supported) {
947 /* Temperature is reported in tenth of Kelvin */
948 sc->sensors[i].value = data * 100000;
949 }
950 sc->sensors[i].value = data * 1000000 + 273150000;
951 }
952 sc->sensors[i].flags &= ~SENSOR_FINVALID;
953 if (sc->fan_handle) {
954 if (ACPI_FAILURE(acpi_GetInteger(sc->fan_handle,
955 NULL, &data)))
956 sc->sensors[i].flags |= SENSOR_FINVALID;
957 data = -1;
958 }
959 else {
960 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &speed, 2);
961 data = speed;
962 }
963
964 sc->sensors[i].value = data;
965
966 ACPI_SERIAL_END(ibm);
967 }
968
969 static void
970 acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context)
971 {
972 int event, arg, type;
973 device_t dev = context;
974 struct acpi_ibm_softc *sc = device_get_softc(dev);
975
976 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
977
978 if (notify != 0x80)
979 device_printf(dev, "Unknown notify\n");
980
981 for (;;) {
982 acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_EVENTS_GET, &event);
983
984 if (event == 0)
985 break;
986
987
988 type = (event >> 12) & 0xf;
989 arg = event & 0xfff;
990 switch (type) {
991 case 1:
992 if (!(sc->events_availmask & (1 << (arg - 1)))) {
993 device_printf(dev, "Unknown key %d\n", arg);
994 break;
995 }
996
997 /* Notify devd(8) */
998 acpi_UserNotify("IBM", h, (arg & 0xff));
999 break;
1000 default:
1001 break;
1002 }
1003 }
1004 }
DragonFly BSD