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Remove inclusion of <sys/cdefs.h> from kernel .c files.
[dragonfly.git] / sys / dev / acpica5 / acpi_thinkpad / acpi_thinkpad.c
blob42507e0a4d92d2baca0ee54e93a63beb0d09173a
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 *
27 * $FreeBSD: src/sys/dev/acpi_support/acpi_ibm.c,v 1.19 2009/06/05 18:44:36 jkim
28 */
29
30 /*
31 * Driver for extra ACPI-controlled gadgets found on IBM ThinkPad laptops.
32 * Inspired by the ibm-acpi and tpb projects which implement these features
33 * on Linux.
34 *
35 * acpi-ibm: <http://ibm-acpi.sourceforge.net/>
36 * tpb: <http://www.nongnu.org/tpb/>
37 */
38
39 #include "opt_acpi.h"
40 #include <sys/param.h>
41 #include <sys/kernel.h>
42 #include <sys/bus.h>
43 #include <sys/sensors.h>
44 #include <machine/cpufunc.h>
45 #include <machine/clock.h>
46
47 #include "acpi.h"
48 #include "accommon.h"
49
50 #include "acpi_if.h"
51 #include <sys/module.h>
52 #include <dev/acpica5/acpivar.h>
53 #if defined(__FreeBSD__)
54 #include <dev/led/led.h>
55 #endif
56 #include <sys/sysctl.h>
57 #include <bus/isa/rtc.h>
58
59 #define _COMPONENT ACPI_OEM
60 ACPI_MODULE_NAME("IBM")
61
62 /* Internal methods */
63 #define ACPI_IBM_METHOD_EVENTS 1
64 #define ACPI_IBM_METHOD_EVENTMASK 2
65 #define ACPI_IBM_METHOD_HOTKEY 3
66 #define ACPI_IBM_METHOD_BRIGHTNESS 4
67 #define ACPI_IBM_METHOD_VOLUME 5
68 #define ACPI_IBM_METHOD_MUTE 6
69 #define ACPI_IBM_METHOD_THINKLIGHT 7
70 #define ACPI_IBM_METHOD_BLUETOOTH 8
71 #define ACPI_IBM_METHOD_WLAN 9
72 #define ACPI_IBM_METHOD_FANSPEED 10
73 #define ACPI_IBM_METHOD_FANLEVEL 11
74 #define ACPI_IBM_METHOD_FANSTATUS 12
75 #define ACPI_IBM_METHOD_THERMAL 13
76
77 /* Hotkeys/Buttons */
78 #define IBM_RTC_HOTKEY1 0x64
79 #define IBM_RTC_MASK_HOME (1 << 0)
80 #define IBM_RTC_MASK_SEARCH (1 << 1)
81 #define IBM_RTC_MASK_MAIL (1 << 2)
82 #define IBM_RTC_MASK_WLAN (1 << 5)
83 #define IBM_RTC_HOTKEY2 0x65
84 #define IBM_RTC_MASK_THINKPAD (1 << 3)
85 #define IBM_RTC_MASK_ZOOM (1 << 5)
86 #define IBM_RTC_MASK_VIDEO (1 << 6)
87 #define IBM_RTC_MASK_HIBERNATE (1 << 7)
88 #define IBM_RTC_THINKLIGHT 0x66
89 #define IBM_RTC_MASK_THINKLIGHT (1 << 4)
90 #define IBM_RTC_SCREENEXPAND 0x67
91 #define IBM_RTC_MASK_SCREENEXPAND (1 << 5)
92 #define IBM_RTC_BRIGHTNESS 0x6c
93 #define IBM_RTC_MASK_BRIGHTNESS (1 << 5)
94 #define IBM_RTC_VOLUME 0x6e
95 #define IBM_RTC_MASK_VOLUME (1 << 7)
96
97 /* Embedded Controller registers */
98 #define IBM_EC_BRIGHTNESS 0x31
99 #define IBM_EC_MASK_BRI 0x7
100 #define IBM_EC_VOLUME 0x30
101 #define IBM_EC_MASK_VOL 0xf
102 #define IBM_EC_MASK_MUTE (1 << 6)
103 #define IBM_EC_FANSTATUS 0x2F
104 #define IBM_EC_MASK_FANLEVEL 0x3f
105 #define IBM_EC_MASK_FANDISENGAGED (1 << 6)
106 #define IBM_EC_MASK_FANSTATUS (1 << 7)
107 #define IBM_EC_FANSPEED 0x84
108
109 /* CMOS Commands */
110 #define IBM_CMOS_VOLUME_DOWN 0
111 #define IBM_CMOS_VOLUME_UP 1
112 #define IBM_CMOS_VOLUME_MUTE 2
113 #define IBM_CMOS_BRIGHTNESS_UP 4
114 #define IBM_CMOS_BRIGHTNESS_DOWN 5
115
116 /* ACPI methods */
117 #define IBM_NAME_KEYLIGHT "KBLT"
118 #define IBM_NAME_WLAN_BT_GET "GBDC"
119 #define IBM_NAME_WLAN_BT_SET "SBDC"
120 #define IBM_NAME_MASK_BT (1 << 1)
121 #define IBM_NAME_MASK_WLAN (1 << 2)
122 #define IBM_NAME_THERMAL_GET "TMP7"
123 #define IBM_NAME_THERMAL_UPDT "UPDT"
124
125 #define IBM_NAME_EVENTS_STATUS_GET "DHKC"
126 #define IBM_NAME_EVENTS_MASK_GET "DHKN"
127 #define IBM_NAME_EVENTS_STATUS_SET "MHKC"
128 #define IBM_NAME_EVENTS_MASK_SET "MHKM"
129 #define IBM_NAME_EVENTS_GET "MHKP"
130 #define IBM_NAME_EVENTS_AVAILMASK "MHKA"
131
132 #define IBM_NUM_SENSORS 9
133 #define IBM_THERMAL_SENSORS 8
134
135 #define ABS(x) (((x) < 0)? -(x) : (x))
136
137 struct acpi_ibm_softc {
138 device_t dev;
139 ACPI_HANDLE handle;
140
141 /* Embedded controller */
142 device_t ec_dev;
143 ACPI_HANDLE ec_handle;
144
145 /* CMOS */
146 ACPI_HANDLE cmos_handle;
147
148 /* Fan status */
149 ACPI_HANDLE fan_handle;
150 int fan_levels;
151
152 /* Keylight commands and states */
153 ACPI_HANDLE light_handle;
154 int light_cmd_on;
155 int light_cmd_off;
156 int light_val;
157 int light_get_supported;
158 int light_set_supported;
159
160 /* led(4) interface */
161 struct cdev *led_dev;
162 int led_busy;
163 int led_state;
164
165 int wlan_bt_flags;
166 int thermal_updt_supported;
167
168 unsigned int events_availmask;
169 unsigned int events_initialmask;
170 int events_mask_supported;
171 int events_enable;
172
173 /* sensors(9) related */
174 struct ksensordev sensordev;
175 struct ksensor sensors[IBM_NUM_SENSORS];
176
177 struct sysctl_ctx_list sysctl_ctx;
178 struct sysctl_oid *sysctl_tree;
179 };
180
181 static struct {
182 char *name;
183 int method;
184 char *description;
185 int access;
186 } acpi_ibm_sysctls[] = {
187 {
188 .name = "events",
189 .method = ACPI_IBM_METHOD_EVENTS,
190 .description = "ACPI events enable",
191 .access = CTLTYPE_INT | CTLFLAG_RW
192 },
193 {
194 .name = "eventmask",
195 .method = ACPI_IBM_METHOD_EVENTMASK,
196 .description = "ACPI eventmask",
197 .access = CTLTYPE_INT | CTLFLAG_RW
198 },
199 {
200 .name = "hotkey",
201 .method = ACPI_IBM_METHOD_HOTKEY,
202 .description = "Key Status",
203 .access = CTLTYPE_INT | CTLFLAG_RD
204 },
205 {
206 .name = "lcd_brightness",
207 .method = ACPI_IBM_METHOD_BRIGHTNESS,
208 .description = "LCD Brightness",
209 .access = CTLTYPE_INT | CTLFLAG_RW
210 },
211 {
212 .name = "volume",
213 .method = ACPI_IBM_METHOD_VOLUME,
214 .description = "Volume",
215 .access = CTLTYPE_INT | CTLFLAG_RW
216 },
217 {
218 .name = "mute",
219 .method = ACPI_IBM_METHOD_MUTE,
220 .description = "Mute",
221 .access = CTLTYPE_INT | CTLFLAG_RW
222 },
223 {
224 .name = "thinklight",
225 .method = ACPI_IBM_METHOD_THINKLIGHT,
226 .description = "Thinklight enable",
227 .access = CTLTYPE_INT | CTLFLAG_RW
228 },
229 {
230 .name = "bluetooth",
231 .method = ACPI_IBM_METHOD_BLUETOOTH,
232 .description = "Bluetooth enable",
233 .access = CTLTYPE_INT | CTLFLAG_RW
234 },
235 {
236 .name = "wlan",
237 .method = ACPI_IBM_METHOD_WLAN,
238 .description = "WLAN enable",
239 .access = CTLTYPE_INT | CTLFLAG_RD
240 },
241 {
242 .name = "fan_speed",
243 .method = ACPI_IBM_METHOD_FANSPEED,
244 .description = "Fan speed",
245 .access = CTLTYPE_INT | CTLFLAG_RD
246 },
247 {
248 .name = "fan_level",
249 .method = ACPI_IBM_METHOD_FANLEVEL,
250 .description = "Fan level",
251 .access = CTLTYPE_INT | CTLFLAG_RW
252 },
253 {
254 .name = "fan",
255 .method = ACPI_IBM_METHOD_FANSTATUS,
256 .description = "Fan enable",
257 .access = CTLTYPE_INT | CTLFLAG_RW
258 },
259
260 { NULL, 0, NULL, 0 }
261 };
262
263 ACPI_SERIAL_DECL(ibm, "ACPI IBM extras");
264
265 static int acpi_ibm_probe(device_t dev);
266 static int acpi_ibm_attach(device_t dev);
267 static int acpi_ibm_detach(device_t dev);
268
269 #if defined(__FreeBSD__)
270 static void ibm_led(void *softc, int onoff);
271 static void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused);
272 #endif
273
274 static int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS);
275 static int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method);
276 static int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method);
277 static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val);
278
279 static int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val);
280 static void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context);
281
282 static void acpi_ibm_refresh(void *);
283
284 static device_method_t acpi_ibm_methods[] = {
285 /* Device interface */
286 DEVMETHOD(device_probe, acpi_ibm_probe),
287 DEVMETHOD(device_attach, acpi_ibm_attach),
288 DEVMETHOD(device_detach, acpi_ibm_detach),
289
290 {0, 0}
291 };
292
293 static driver_t acpi_ibm_driver = {
294 "acpi_ibm",
295 acpi_ibm_methods,
296 sizeof(struct acpi_ibm_softc),
297 };
298
299 static devclass_t acpi_ibm_devclass;
300
301 DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass,
302 0, 0);
303 MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1);
304 static char *ibm_ids[] = {"IBM0057", "IBM0068", NULL};
305
306 #if defined(__FreeBSD__)
307 static void
308 ibm_led(void *softc, int onoff)
309 {
310 struct acpi_ibm_softc* sc = (struct acpi_ibm_softc*) softc;
311
312 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
313
314 if (sc->led_busy)
315 return;
316
317 sc->led_busy = 1;
318 sc->led_state = onoff;
319
320 AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)ibm_led_task, sc);
321 }
322
323 static void
324 ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused)
325 {
326 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
327
328 ACPI_SERIAL_BEGIN(ibm);
329 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state);
330 ACPI_SERIAL_END(ibm);
331
332 sc->led_busy = 0;
333 }
334 #endif
335
336 static int
337 acpi_ibm_probe(device_t dev)
338 {
339 if (acpi_disabled("ibm") ||
340 ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_ids) == NULL ||
341 device_get_unit(dev) != 0)
342 return (ENXIO);
343
344 device_set_desc(dev, "IBM ThinkPad ACPI Extras");
345
346 return (0);
347 }
348
349 static int
350 acpi_ibm_attach(device_t dev)
351 {
352 struct acpi_ibm_softc *sc;
353 devclass_t ec_devclass;
354 struct acpi_softc *acpi_sc;
355 int i;
356
357 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
358
359 sc = device_get_softc(dev);
360 sc->dev = dev;
361 sc->handle = acpi_get_handle(dev);
362
363 /* Look for the first embedded controller */
364 if (!(ec_devclass = devclass_find ("acpi_ec"))) {
365 if (bootverbose)
366 device_printf(dev, "Couldn't find acpi_ec devclass\n");
367 return (EINVAL);
368 }
369 if (!(sc->ec_dev = devclass_get_device(ec_devclass, 0))) {
370 if (bootverbose)
371 device_printf(dev, "Couldn't find acpi_ec device\n");
372 return (EINVAL);
373 }
374 sc->ec_handle = acpi_get_handle(sc->ec_dev);
375 acpi_sc = acpi_device_get_parent_softc(dev);
376
377 ACPI_SERIAL_BEGIN(ibm);
378
379 /* Get the sysctl tree */
380 sysctl_ctx_init(&sc->sysctl_ctx);
381 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
382 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), OID_AUTO,
383 "thinkpad", CTLFLAG_RD, 0, "");
384
385 /* Look for event mask and hook up the nodes */
386 sc->events_mask_supported = ACPI_SUCCESS(acpi_GetInteger(sc->handle,
387 IBM_NAME_EVENTS_MASK_GET, &sc->events_initialmask));
388
389 if (sc->events_mask_supported) {
390 SYSCTL_ADD_INT(&sc->sysctl_ctx,
391 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
392 "initialmask", CTLFLAG_RD,
393 &sc->events_initialmask, 0, "Initial eventmask");
394
395 /* The availmask is the bitmask of supported events */
396 if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
397 IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask)))
398 sc->events_availmask = 0xffffffff;
399
400 SYSCTL_ADD_INT(&sc->sysctl_ctx,
401 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
402 "availmask", CTLFLAG_RD,
403 &sc->events_availmask, 0, "Mask of supported events");
404 }
405
406 /* Hook up proc nodes */
407 for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) {
408 if (!acpi_ibm_sysctl_init(sc, acpi_ibm_sysctls[i].method))
409 continue;
410
411 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
412 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
413 acpi_ibm_sysctls[i].name, acpi_ibm_sysctls[i].access,
414 sc, i, acpi_ibm_sysctl, "I",
415 acpi_ibm_sysctls[i].description);
416 }
417 ACPI_SERIAL_END(ibm);
418
419 /* Handle notifies */
420 AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY,
421 acpi_ibm_notify, dev);
422
423 /* Attach sensors(9). */
424 if (sensor_task_register(sc, acpi_ibm_refresh, 5)) {
425 device_printf(sc->dev, "unable to register update task\n");
426 return 1;
427 }
428 strlcpy(sc->sensordev.xname, device_get_nameunit(sc->dev),
429 sizeof(sc->sensordev.xname));
430
431 for (i = 0; i < IBM_THERMAL_SENSORS; i++) {
432 sc->sensors[i].type = SENSOR_TEMP;
433 sensor_attach(&sc->sensordev, &sc->sensors[i]);
434 }
435
436 sc->sensors[i].type = SENSOR_FANRPM;
437 sensor_attach(&sc->sensordev, &sc->sensors[i]);
438
439 sensordev_install(&sc->sensordev);
440
441 #if defined(__FreeBSD__)
442 /* Hook up light to led(4) */
443 if (sc->light_set_supported)
444 sc->led_dev = led_create_state(ibm_led, sc, "thinklight", sc->light_val);
445 #endif
446
447 return (0);
448 }
449
450 static int
451 acpi_ibm_detach(device_t dev)
452 {
453 int i;
454 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
455
456 struct acpi_ibm_softc *sc = device_get_softc(dev);
457
458 /* Disable events and restore eventmask */
459 ACPI_SERIAL_BEGIN(ibm);
460 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0);
461 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask);
462 ACPI_SERIAL_END(ibm);
463
464 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify);
465
466 sensordev_deinstall(&sc->sensordev);
467 for (i = 0; i < IBM_THERMAL_SENSORS; i++)
468 sensor_detach(&sc->sensordev, &sc->sensors[i]);
469 sensor_task_unregister(sc);
470
471 #if defined(__FreeBSD__)
472 if (sc->led_dev != NULL)
473 led_destroy(sc->led_dev);
474 #endif
475
476 return (0);
477 }
478
479 static int
480 acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val)
481 {
482 ACPI_OBJECT arg[2];
483 ACPI_OBJECT_LIST args;
484 ACPI_STATUS status;
485
486 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
487 ACPI_SERIAL_ASSERT(ibm);
488
489 args.Count = 2;
490 args.Pointer = arg;
491 arg[0].Type = ACPI_TYPE_INTEGER;
492 arg[1].Type = ACPI_TYPE_INTEGER;
493
494 for (int i = 0; i < 32; ++i) {
495 arg[0].Integer.Value = i+1;
496 arg[1].Integer.Value = (((1 << i) & val) != 0);
497 status = AcpiEvaluateObject(sc->handle,
498 IBM_NAME_EVENTS_MASK_SET, &args, NULL);
499
500 if (ACPI_FAILURE(status))
501 return (status);
502 }
503
504 return (0);
505 }
506
507 static int
508 acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS)
509 {
510 struct acpi_ibm_softc *sc;
511 int arg;
512 int error = 0;
513 int function;
514 int method;
515
516 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
517
518 sc = (struct acpi_ibm_softc *)oidp->oid_arg1;
519 function = oidp->oid_arg2;
520 method = acpi_ibm_sysctls[function].method;
521
522 ACPI_SERIAL_BEGIN(ibm);
523 arg = acpi_ibm_sysctl_get(sc, method);
524 error = sysctl_handle_int(oidp, &arg, 0, req);
525
526 /* Sanity check */
527 if (error != 0 || req->newptr == NULL)
528 goto out;
529
530 /* Update */
531 error = acpi_ibm_sysctl_set(sc, method, arg);
532
533 out:
534 ACPI_SERIAL_END(ibm);
535 return (error);
536 }
537
538 static int
539 acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method)
540 {
541 ACPI_INTEGER val_ec;
542 int val = 0, key;
543
544 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
545 ACPI_SERIAL_ASSERT(ibm);
546
547 switch (method) {
548 case ACPI_IBM_METHOD_EVENTS:
549 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_GET, &val);
550 break;
551
552 case ACPI_IBM_METHOD_EVENTMASK:
553 if (sc->events_mask_supported)
554 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &val);
555 break;
556
557 case ACPI_IBM_METHOD_HOTKEY:
558 /*
559 * Construct the hotkey as a bitmask as illustrated below.
560 * Note that whenever a key was pressed, the respecting bit
561 * toggles and nothing else changes.
562 * +--+--+-+-+-+-+-+-+-+-+-+-+
563 * |11|10|9|8|7|6|5|4|3|2|1|0|
564 * +--+--+-+-+-+-+-+-+-+-+-+-+
565 * | | | | | | | | | | | |
566 * | | | | | | | | | | | +- Home Button
567 * | | | | | | | | | | +--- Search Button
568 * | | | | | | | | | +----- Mail Button
569 * | | | | | | | | +------- Thinkpad Button
570 * | | | | | | | +--------- Zoom (Fn + Space)
571 * | | | | | | +----------- WLAN Button
572 * | | | | | +------------- Video Button
573 * | | | | +--------------- Hibernate Button
574 * | | | +----------------- Thinklight Button
575 * | | +------------------- Screen expand (Fn + F8)
576 * | +--------------------- Brightness
577 * +------------------------ Volume/Mute
578 */
579 key = rtcin(IBM_RTC_HOTKEY1);
580 val = (IBM_RTC_MASK_HOME | IBM_RTC_MASK_SEARCH | IBM_RTC_MASK_MAIL | IBM_RTC_MASK_WLAN) & key;
581 key = rtcin(IBM_RTC_HOTKEY2);
582 val |= (IBM_RTC_MASK_THINKPAD | IBM_RTC_MASK_VIDEO | IBM_RTC_MASK_HIBERNATE) & key;
583 val |= (IBM_RTC_MASK_ZOOM & key) >> 1;
584 key = rtcin(IBM_RTC_THINKLIGHT);
585 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4;
586 key = rtcin(IBM_RTC_SCREENEXPAND);
587 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4;
588 key = rtcin(IBM_RTC_BRIGHTNESS);
589 val |= (IBM_RTC_MASK_BRIGHTNESS & key) << 5;
590 key = rtcin(IBM_RTC_VOLUME);
591 val |= (IBM_RTC_MASK_VOLUME & key) << 4;
592 break;
593
594 case ACPI_IBM_METHOD_BRIGHTNESS:
595 ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1);
596 val = val_ec & IBM_EC_MASK_BRI;
597 break;
598
599 case ACPI_IBM_METHOD_VOLUME:
600 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
601 val = val_ec & IBM_EC_MASK_VOL;
602 break;
603
604 case ACPI_IBM_METHOD_MUTE:
605 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
606 val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE);
607 break;
608
609 case ACPI_IBM_METHOD_THINKLIGHT:
610 if (sc->light_get_supported)
611 acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &val);
612 else
613 val = sc->light_val;
614 break;
615
616 case ACPI_IBM_METHOD_BLUETOOTH:
617 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val);
618 sc->wlan_bt_flags = val;
619 val = ((val & IBM_NAME_MASK_BT) != 0);
620 break;
621
622 case ACPI_IBM_METHOD_WLAN:
623 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val);
624 sc->wlan_bt_flags = val;
625 val = ((val & IBM_NAME_MASK_WLAN) != 0);
626 break;
627
628 case ACPI_IBM_METHOD_FANSPEED:
629 if (sc->fan_handle) {
630 if(ACPI_FAILURE(acpi_GetInteger(sc->fan_handle, NULL, &val)))
631 val = -1;
632 }
633 else {
634 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &val_ec, 2);
635 val = val_ec;
636 }
637 break;
638
639 case ACPI_IBM_METHOD_FANLEVEL:
640 /*
641 * The IBM_EC_FANSTATUS register works as follows:
642 * Bit 0-5 indicate the level at which the fan operates. Only
643 * values between 0 and 7 have an effect. Everything
644 * above 7 is treated the same as level 7
645 * Bit 6 overrides the fan speed limit if set to 1
646 * Bit 7 indicates at which mode the fan operates:
647 * manual (0) or automatic (1)
648 */
649 if (!sc->fan_handle) {
650 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
651 val = val_ec & IBM_EC_MASK_FANLEVEL;
652 }
653 break;
654
655 case ACPI_IBM_METHOD_FANSTATUS:
656 if (!sc->fan_handle) {
657 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
658 val = (val_ec & IBM_EC_MASK_FANSTATUS) == IBM_EC_MASK_FANSTATUS;
659 }
660 else
661 val = -1;
662 break;
663 }
664
665 return (val);
666 }
667
668 static int
669 acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int arg)
670 {
671 int val, step;
672 ACPI_INTEGER val_ec;
673 ACPI_OBJECT Arg;
674 ACPI_OBJECT_LIST Args;
675 ACPI_STATUS status;
676
677 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
678 ACPI_SERIAL_ASSERT(ibm);
679
680 switch (method) {
681 case ACPI_IBM_METHOD_EVENTS:
682 if (arg < 0 || arg > 1)
683 return (EINVAL);
684
685 status = acpi_SetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_SET, arg);
686 if (ACPI_FAILURE(status))
687 return (status);
688 if (sc->events_mask_supported)
689 return acpi_ibm_eventmask_set(sc, sc->events_availmask);
690 break;
691
692 case ACPI_IBM_METHOD_EVENTMASK:
693 if (sc->events_mask_supported)
694 return acpi_ibm_eventmask_set(sc, arg);
695 break;
696
697 case ACPI_IBM_METHOD_BRIGHTNESS:
698 if (arg < 0 || arg > 7)
699 return (EINVAL);
700
701 if (sc->cmos_handle) {
702 /* Read the current brightness */
703 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1);
704 if (ACPI_FAILURE(status))
705 return (status);
706 val = val_ec & IBM_EC_MASK_BRI;
707
708 Args.Count = 1;
709 Args.Pointer = &Arg;
710 Arg.Type = ACPI_TYPE_INTEGER;
711 Arg.Integer.Value = (arg > val) ? IBM_CMOS_BRIGHTNESS_UP : IBM_CMOS_BRIGHTNESS_DOWN;
712
713 step = (arg > val) ? 1 : -1;
714 for (int i = val; i != arg; i += step) {
715 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
716 if (ACPI_FAILURE(status))
717 break;
718 }
719 }
720 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, arg, 1);
721 break;
722
723 case ACPI_IBM_METHOD_VOLUME:
724 if (arg < 0 || arg > 14)
725 return (EINVAL);
726
727 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
728 if (ACPI_FAILURE(status))
729 return (status);
730
731 if (sc->cmos_handle) {
732 val = val_ec & IBM_EC_MASK_VOL;
733
734 Args.Count = 1;
735 Args.Pointer = &Arg;
736 Arg.Type = ACPI_TYPE_INTEGER;
737 Arg.Integer.Value = (arg > val) ? IBM_CMOS_VOLUME_UP : IBM_CMOS_VOLUME_DOWN;
738
739 step = (arg > val) ? 1 : -1;
740 for (int i = val; i != arg; i += step) {
741 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
742 if (ACPI_FAILURE(status))
743 break;
744 }
745 }
746 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, arg + (val_ec & (~IBM_EC_MASK_VOL)), 1);
747 break;
748
749 case ACPI_IBM_METHOD_MUTE:
750 if (arg < 0 || arg > 1)
751 return (EINVAL);
752
753 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1);
754 if (ACPI_FAILURE(status))
755 return (status);
756
757 if (sc->cmos_handle) {
758 val = val_ec & IBM_EC_MASK_VOL;
759
760 Args.Count = 1;
761 Args.Pointer = &Arg;
762 Arg.Type = ACPI_TYPE_INTEGER;
763 Arg.Integer.Value = IBM_CMOS_VOLUME_MUTE;
764
765 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL);
766 if (ACPI_FAILURE(status))
767 break;
768 }
769 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);
770 break;
771
772 case ACPI_IBM_METHOD_THINKLIGHT:
773 if (arg < 0 || arg > 1)
774 return (EINVAL);
775
776 if (sc->light_set_supported) {
777 Args.Count = 1;
778 Args.Pointer = &Arg;
779 Arg.Type = ACPI_TYPE_INTEGER;
780 Arg.Integer.Value = arg ? sc->light_cmd_on : sc->light_cmd_off;
781
782 status = AcpiEvaluateObject(sc->light_handle, NULL, &Args, NULL);
783 if (ACPI_SUCCESS(status))
784 sc->light_val = arg;
785 return (status);
786 }
787 break;
788
789 case ACPI_IBM_METHOD_BLUETOOTH:
790 if (arg < 0 || arg > 1)
791 return (EINVAL);
792
793 val = (arg == 1) ? sc->wlan_bt_flags | IBM_NAME_MASK_BT : sc->wlan_bt_flags & (~IBM_NAME_MASK_BT);
794 return acpi_SetInteger(sc->handle, IBM_NAME_WLAN_BT_SET, val);
795 break;
796
797 case ACPI_IBM_METHOD_FANLEVEL:
798 if (arg < 0 || arg > 7)
799 return (EINVAL);
800
801 if (!sc->fan_handle) {
802 /* Read the current fanstatus */
803 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
804 val = val_ec & (~IBM_EC_MASK_FANLEVEL);
805
806 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, val | arg, 1);
807 }
808 break;
809
810 case ACPI_IBM_METHOD_FANSTATUS:
811 if (arg < 0 || arg > 1)
812 return (EINVAL);
813
814 if (!sc->fan_handle) {
815 /* Read the current fanstatus */
816 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1);
817
818 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS,
819 (arg == 1) ? (val_ec | IBM_EC_MASK_FANSTATUS) : (val_ec & (~IBM_EC_MASK_FANSTATUS)), 1);
820 }
821 break;
822 }
823
824 return (0);
825 }
826
827 static int
828 acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method)
829 {
830 int dummy;
831 ACPI_OBJECT_TYPE cmos_t;
832 ACPI_HANDLE ledb_handle;
833
834 switch (method) {
835 case ACPI_IBM_METHOD_EVENTS:
836 /* Events are disabled by default */
837 return (TRUE);
838
839 case ACPI_IBM_METHOD_EVENTMASK:
840 return (sc->events_mask_supported);
841
842 case ACPI_IBM_METHOD_HOTKEY:
843 case ACPI_IBM_METHOD_BRIGHTNESS:
844 case ACPI_IBM_METHOD_VOLUME:
845 case ACPI_IBM_METHOD_MUTE:
846 /* EC is required here, which was aready checked before */
847 return (TRUE);
848
849 case ACPI_IBM_METHOD_THINKLIGHT:
850 sc->cmos_handle = NULL;
851 sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger(
852 sc->ec_handle, IBM_NAME_KEYLIGHT, &sc->light_val));
853
854 if ((ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\UCMS", &sc->light_handle)) ||
855 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMOS", &sc->light_handle)) ||
856 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMS", &sc->light_handle))) &&
857 ACPI_SUCCESS(AcpiGetType(sc->light_handle, &cmos_t)) &&
858 cmos_t == ACPI_TYPE_METHOD) {
859 sc->light_cmd_on = 0x0c;
860 sc->light_cmd_off = 0x0d;
861 sc->cmos_handle = sc->light_handle;
862 }
863 else if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\LGHT", &sc->light_handle))) {
864 sc->light_cmd_on = 1;
865 sc->light_cmd_off = 0;
866 }
867 else
868 sc->light_handle = NULL;
869
870 sc->light_set_supported = (sc->light_handle &&
871 ACPI_FAILURE(AcpiGetHandle(sc->ec_handle, "LEDB", &ledb_handle)));
872
873 if (sc->light_get_supported)
874 return (TRUE);
875
876 if (sc->light_set_supported) {
877 sc->light_val = 0;
878 return (TRUE);
879 }
880
881 return (FALSE);
882
883 case ACPI_IBM_METHOD_BLUETOOTH:
884 case ACPI_IBM_METHOD_WLAN:
885 if (ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &dummy)))
886 return (TRUE);
887 return (FALSE);
888
889 case ACPI_IBM_METHOD_FANSPEED:
890 /*
891 * Some models report the fan speed in levels from 0-7
892 * Newer models report it contiguously
893 */
894 sc->fan_levels =
895 (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "GFAN", &sc->fan_handle)) ||
896 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\FSPD", &sc->fan_handle)));
897 return (TRUE);
898
899 case ACPI_IBM_METHOD_FANLEVEL:
900 case ACPI_IBM_METHOD_FANSTATUS:
901 /*
902 * Fan status is only supported on those models,
903 * which report fan RPM contiguously, not in levels
904 */
905 if (sc->fan_levels)
906 return (FALSE);
907 return (TRUE);
908
909 case ACPI_IBM_METHOD_THERMAL:
910 if (ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_GET, &dummy))) {
911 sc->thermal_updt_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_UPDT, &dummy));
912 return (TRUE);
913 }
914 return (FALSE);
915 }
916 return (FALSE);
917 }
918
919 void
920 acpi_ibm_refresh(void *arg)
921 {
922 struct acpi_ibm_softc *sc;
923 char temp_cmd[] = "TMP0";
924 int i, data, temp[8];
925 ACPI_INTEGER speed;
926
927 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
928
929 sc = (struct acpi_ibm_softc *)arg;
930
931 ACPI_SERIAL_BEGIN(ibm);
932
933 for (i = 0; i < IBM_THERMAL_SENSORS; ++i) {
934 temp_cmd[3] = '0' + i;
935
936 /*
937 * The TMPx methods seem to return +/- 128 or 0
938 * when the respecting sensor is not available
939 */
940 if (ACPI_FAILURE(acpi_GetInteger(sc->ec_handle, temp_cmd,
941 &temp[i])) || ABS(temp[i]) == 128 || temp[i] == 0) {
942 sc->sensors[i].flags |= SENSOR_FINVALID;
943 data = 0;
944 }
945 else if (sc->thermal_updt_supported) {
946 /* Temperature is reported in tenth of Kelvin */
947 sc->sensors[i].value = data * 100000;
948 }
949 sc->sensors[i].value = data * 1000000 + 273150000;
950 }
951 sc->sensors[i].flags &= ~SENSOR_FINVALID;
952 if (sc->fan_handle) {
953 if (ACPI_FAILURE(acpi_GetInteger(sc->fan_handle,
954 NULL, &data)))
955 sc->sensors[i].flags |= SENSOR_FINVALID;
956 data = -1;
957 }
958 else {
959 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &speed, 2);
960 data = speed;
961 }
962
963 sc->sensors[i].value = data;
964
965 ACPI_SERIAL_END(ibm);
966 }
967
968 static void
969 acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context)
970 {
971 int event, arg, type;
972 device_t dev = context;
973 struct acpi_ibm_softc *sc = device_get_softc(dev);
974
975 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
976
977 if (notify != 0x80)
978 device_printf(dev, "Unknown notify\n");
979
980 for (;;) {
981 acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_EVENTS_GET, &event);
982
983 if (event == 0)
984 break;
985
986
987 type = (event >> 12) & 0xf;
988 arg = event & 0xfff;
989 switch (type) {
990 case 1:
991 if (!(sc->events_availmask & (1 << (arg - 1)))) {
992 device_printf(dev, "Unknown key %d\n", arg);
993 break;
994 }
995
996 /* Notify devd(8) */
997 acpi_UserNotify("IBM", h, (arg & 0xff));
998 break;
999 default:
1000 break;
1001 }
1002 }
1003 }
DragonFly BSD