thinkpad_acpi.c revision 1.55 1 /* $NetBSD: thinkpad_acpi.c,v 1.55 2022/08/12 16:21:41 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: thinkpad_acpi.c,v 1.55 2022/08/12 16:21:41 riastradh Exp $");
31
32 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/module.h>
35 #include <sys/sdt.h>
36 #include <sys/systm.h>
37
38 #include <dev/acpi/acpireg.h>
39 #include <dev/acpi/acpivar.h>
40 #include <dev/acpi/acpi_ecvar.h>
41 #include <dev/acpi/acpi_power.h>
42
43 #include <dev/isa/isareg.h>
44
45 #define _COMPONENT ACPI_RESOURCE_COMPONENT
46 ACPI_MODULE_NAME ("thinkpad_acpi")
47
48 #define THINKPAD_NTEMPSENSORS 8
49 #define THINKPAD_NFANSENSORS 1
50 #define THINKPAD_NSENSORS (THINKPAD_NTEMPSENSORS + THINKPAD_NFANSENSORS)
51
52 typedef struct thinkpad_softc {
53 device_t sc_dev;
54 device_t sc_ecdev;
55 struct acpi_devnode *sc_node;
56 ACPI_HANDLE sc_powhdl;
57 ACPI_HANDLE sc_cmoshdl;
58 ACPI_INTEGER sc_ver;
59
60 #define TP_PSW_SLEEP 0 /* FnF4 */
61 #define TP_PSW_HIBERNATE 1 /* FnF12 */
62 #define TP_PSW_DISPLAY_CYCLE 2 /* FnF7 */
63 #define TP_PSW_LOCK_SCREEN 3 /* FnF2 */
64 #define TP_PSW_BATTERY_INFO 4 /* FnF3 */
65 #define TP_PSW_EJECT_BUTTON 5 /* FnF9 */
66 #define TP_PSW_ZOOM_BUTTON 6 /* FnSPACE */
67 #define TP_PSW_VENDOR_BUTTON 7 /* ThinkVantage */
68 #define TP_PSW_FNF1_BUTTON 8 /* FnF1 */
69 #define TP_PSW_WIRELESS_BUTTON 9 /* FnF5 */
70 #define TP_PSW_WWAN_BUTTON 10 /* FnF6 */
71 #define TP_PSW_POINTER_BUTTON 11 /* FnF8 */
72 #define TP_PSW_FNF10_BUTTON 12 /* FnF10 */
73 #define TP_PSW_FNF11_BUTTON 13 /* FnF11 */
74 #define TP_PSW_BRIGHTNESS_UP 14
75 #define TP_PSW_BRIGHTNESS_DOWN 15
76 #define TP_PSW_THINKLIGHT 16
77 #define TP_PSW_VOLUME_UP 17
78 #define TP_PSW_VOLUME_DOWN 18
79 #define TP_PSW_VOLUME_MUTE 19
80 #define TP_PSW_STAR_BUTTON 20
81 #define TP_PSW_SCISSORS_BUTTON 21
82 #define TP_PSW_BLUETOOTH_BUTTON 22
83 #define TP_PSW_KEYBOARD_BUTTON 23
84 #define TP_PSW_LAST 24
85
86 struct sysmon_pswitch sc_smpsw[TP_PSW_LAST];
87 bool sc_smpsw_valid;
88
89 struct sysmon_envsys *sc_sme;
90 envsys_data_t sc_sensor[THINKPAD_NSENSORS];
91
92 int sc_display_state;
93 } thinkpad_softc_t;
94
95 /* Hotkey events */
96 #define THINKPAD_NOTIFY_FnF1 0x001
97 #define THINKPAD_NOTIFY_LockScreen 0x002
98 #define THINKPAD_NOTIFY_BatteryInfo 0x003
99 #define THINKPAD_NOTIFY_SleepButton 0x004
100 #define THINKPAD_NOTIFY_WirelessSwitch 0x005
101 #define THINKPAD_NOTIFY_wWANSwitch 0x006
102 #define THINKPAD_NOTIFY_DisplayCycle 0x007
103 #define THINKPAD_NOTIFY_PointerSwitch 0x008
104 #define THINKPAD_NOTIFY_EjectButton 0x009
105 #define THINKPAD_NOTIFY_FnF10 0x00a /* XXX: Not seen on T61 */
106 #define THINKPAD_NOTIFY_FnF11 0x00b
107 #define THINKPAD_NOTIFY_HibernateButton 0x00c
108 #define THINKPAD_NOTIFY_BrightnessUp 0x010
109 #define THINKPAD_NOTIFY_BrightnessDown 0x011
110 #define THINKPAD_NOTIFY_ThinkLight 0x012
111 #define THINKPAD_NOTIFY_Zoom 0x014
112 #define THINKPAD_NOTIFY_VolumeUp 0x015 /* XXX: Not seen on T61 */
113 #define THINKPAD_NOTIFY_VolumeDown 0x016 /* XXX: Not seen on T61 */
114 #define THINKPAD_NOTIFY_VolumeMute 0x017 /* XXX: Not seen on T61 */
115 #define THINKPAD_NOTIFY_ThinkVantage 0x018
116 #define THINKPAD_NOTIFY_Star 0x311
117 #define THINKPAD_NOTIFY_Scissors 0x312
118 #define THINKPAD_NOTIFY_Bluetooth 0x314
119 #define THINKPAD_NOTIFY_Keyboard 0x315
120
121 #define THINKPAD_CMOS_BRIGHTNESS_UP 0x04
122 #define THINKPAD_CMOS_BRIGHTNESS_DOWN 0x05
123
124 #define THINKPAD_HKEY_VERSION_1 0x0100
125 #define THINKPAD_HKEY_VERSION_2 0x0200
126
127 #define THINKPAD_DISPLAY_LCD 0x01
128 #define THINKPAD_DISPLAY_CRT 0x02
129 #define THINKPAD_DISPLAY_DVI 0x08
130 #define THINKPAD_DISPLAY_ALL \
131 (THINKPAD_DISPLAY_LCD | THINKPAD_DISPLAY_CRT | THINKPAD_DISPLAY_DVI)
132
133 #define THINKPAD_BLUETOOTH_HWPRESENT 0x01
134 #define THINKPAD_BLUETOOTH_RADIOSSW 0x02
135 #define THINKPAD_BLUETOOTH_RESUMECTRL 0x04
136
137 #define THINKPAD_WWAN_HWPRESENT 0x01
138 #define THINKPAD_WWAN_RADIOSSW 0x02
139 #define THINKPAD_WWAN_RESUMECTRL 0x04
140
141 #define THINKPAD_UWB_HWPRESENT 0x01
142 #define THINKPAD_UWB_RADIOSSW 0x02
143
144 #define THINKPAD_RFK_BLUETOOTH 0
145 #define THINKPAD_RFK_WWAN 1
146 #define THINKPAD_RFK_UWB 2
147
148 static int thinkpad_match(device_t, cfdata_t, void *);
149 static void thinkpad_attach(device_t, device_t, void *);
150 static int thinkpad_detach(device_t, int);
151
152 static ACPI_STATUS thinkpad_mask_init(thinkpad_softc_t *, uint32_t);
153 static void thinkpad_notify_handler(ACPI_HANDLE, uint32_t, void *);
154 static void thinkpad_get_hotkeys(void *);
155
156 static void thinkpad_sensors_init(thinkpad_softc_t *);
157 static void thinkpad_sensors_refresh(struct sysmon_envsys *, envsys_data_t *);
158 static void thinkpad_temp_refresh(struct sysmon_envsys *, envsys_data_t *);
159 static void thinkpad_fan_refresh(struct sysmon_envsys *, envsys_data_t *);
160
161 static void thinkpad_uwb_toggle(thinkpad_softc_t *);
162 static void thinkpad_wwan_toggle(thinkpad_softc_t *);
163 static void thinkpad_bluetooth_toggle(thinkpad_softc_t *);
164
165 static bool thinkpad_resume(device_t, const pmf_qual_t *);
166 static void thinkpad_brightness_up(device_t);
167 static void thinkpad_brightness_down(device_t);
168 static uint8_t thinkpad_brightness_read(thinkpad_softc_t *sc);
169 static void thinkpad_cmos(thinkpad_softc_t *, uint8_t);
170
171 CFATTACH_DECL3_NEW(thinkpad, sizeof(thinkpad_softc_t),
172 thinkpad_match, thinkpad_attach, thinkpad_detach, NULL, NULL, NULL,
173 0);
174
175 static const struct device_compatible_entry compat_data[] = {
176 { .compat = "IBM0068" },
177 { .compat = "LEN0068" },
178 { .compat = "LEN0268" },
179 DEVICE_COMPAT_EOL
180 };
181
182 static int
183 thinkpad_match(device_t parent, cfdata_t match, void *opaque)
184 {
185 struct acpi_attach_args *aa = (struct acpi_attach_args *)opaque;
186 ACPI_INTEGER ver;
187 int ret;
188
189 ret = acpi_compatible_match(aa, compat_data);
190 if (ret == 0)
191 return 0;
192
193 /* We only support hotkey versions 0x0100 and 0x0200 */
194 if (ACPI_FAILURE(acpi_eval_integer(aa->aa_node->ad_handle, "MHKV",
195 &ver)))
196 return 0;
197
198 switch (ver) {
199 case THINKPAD_HKEY_VERSION_1:
200 case THINKPAD_HKEY_VERSION_2:
201 break;
202 default:
203 return 0;
204 }
205
206 /* Cool, looks like we're good to go */
207 return ret;
208 }
209
210 static void
211 thinkpad_attach(device_t parent, device_t self, void *opaque)
212 {
213 thinkpad_softc_t *sc = device_private(self);
214 struct acpi_attach_args *aa = (struct acpi_attach_args *)opaque;
215 struct sysmon_pswitch *psw;
216 device_t curdev;
217 deviter_t di;
218 ACPI_STATUS rv;
219 ACPI_INTEGER val;
220 int i;
221
222 sc->sc_dev = self;
223 sc->sc_powhdl = NULL;
224 sc->sc_cmoshdl = NULL;
225 sc->sc_node = aa->aa_node;
226 sc->sc_display_state = THINKPAD_DISPLAY_LCD;
227
228 aprint_naive("\n");
229 aprint_normal("\n");
230
231 sc->sc_ecdev = NULL;
232 for (curdev = deviter_first(&di, DEVITER_F_ROOT_FIRST);
233 curdev != NULL; curdev = deviter_next(&di))
234 if (device_is_a(curdev, "acpiecdt") ||
235 device_is_a(curdev, "acpiec")) {
236 sc->sc_ecdev = curdev;
237 break;
238 }
239 deviter_release(&di);
240
241 if (sc->sc_ecdev)
242 aprint_debug_dev(self, "using EC at %s\n",
243 device_xname(sc->sc_ecdev));
244
245 /* Query the version number */
246 rv = acpi_eval_integer(aa->aa_node->ad_handle, "MHKV", &sc->sc_ver);
247 if (ACPI_FAILURE(rv)) {
248 aprint_error_dev(self, "couldn't evaluate MHKV: %s\n",
249 AcpiFormatException(rv));
250 goto fail;
251 }
252 aprint_normal_dev(self, "version %04x\n", (unsigned)sc->sc_ver);
253
254 /* Get the supported event mask */
255 switch (sc->sc_ver) {
256 case THINKPAD_HKEY_VERSION_1:
257 rv = acpi_eval_integer(sc->sc_node->ad_handle, "MHKA", &val);
258 if (ACPI_FAILURE(rv)) {
259 aprint_error_dev(self, "couldn't evaluate MHKA: %s\n",
260 AcpiFormatException(rv));
261 goto fail;
262 }
263 break;
264 case THINKPAD_HKEY_VERSION_2: {
265 ACPI_OBJECT args[1] = {
266 [0] = { .Integer = {
267 .Type = ACPI_TYPE_INTEGER,
268 .Value = 1, /* hotkey events */
269 } },
270 };
271 ACPI_OBJECT_LIST arglist = {
272 .Count = __arraycount(args),
273 .Pointer = args,
274 };
275 ACPI_OBJECT ret;
276 ACPI_BUFFER buf = { .Pointer = &ret, .Length = sizeof(ret) };
277
278 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "MHKA",
279 &arglist, &buf);
280 if (ACPI_FAILURE(rv)) {
281 aprint_error_dev(self, "couldn't evaluate MHKA(1):"
282 " %s\n",
283 AcpiFormatException(rv));
284 goto fail;
285 }
286 if (buf.Length == 0 || ret.Type != ACPI_TYPE_INTEGER) {
287 aprint_error_dev(self, "failed to evaluate MHKA(1)\n");
288 goto fail;
289 }
290 val = ret.Integer.Value;
291 break;
292 }
293 default:
294 panic("%s: invalid version %jd", device_xname(self),
295 (intmax_t)sc->sc_ver);
296 }
297
298 /* Enable all supported events */
299 rv = thinkpad_mask_init(sc, val);
300 if (ACPI_FAILURE(rv)) {
301 aprint_error_dev(self, "couldn't set event mask: %s\n",
302 AcpiFormatException(rv));
303 goto fail;
304 }
305
306 (void)acpi_register_notify(sc->sc_node, thinkpad_notify_handler);
307
308 /*
309 * Obtain a handle for CMOS commands. This is used by T61.
310 */
311 (void)AcpiGetHandle(NULL, "\\UCMS", &sc->sc_cmoshdl);
312
313 /*
314 * Obtain a handle to the power resource available on many models.
315 * Since pmf(9) is not yet integrated with the ACPI power resource
316 * code, this must be turned on manually upon resume. Otherwise the
317 * system may, for instance, resume from S3 with usb(4) powered down.
318 */
319 (void)AcpiGetHandle(NULL, "\\_SB.PCI0.LPC.EC.PUBS", &sc->sc_powhdl);
320
321 /* Register power switches with sysmon */
322 psw = sc->sc_smpsw;
323 sc->sc_smpsw_valid = true;
324
325 psw[TP_PSW_SLEEP].smpsw_name = device_xname(self);
326 psw[TP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP;
327 #if notyet
328 psw[TP_PSW_HIBERNATE].smpsw_name = device_xname(self);
329 mpsw[TP_PSW_HIBERNATE].smpsw_type = PSWITCH_TYPE_HIBERNATE;
330 #endif
331 for (i = TP_PSW_DISPLAY_CYCLE; i < TP_PSW_LAST; i++)
332 sc->sc_smpsw[i].smpsw_type = PSWITCH_TYPE_HOTKEY;
333 psw[TP_PSW_DISPLAY_CYCLE].smpsw_name = PSWITCH_HK_DISPLAY_CYCLE;
334 psw[TP_PSW_LOCK_SCREEN].smpsw_name = PSWITCH_HK_LOCK_SCREEN;
335 psw[TP_PSW_BATTERY_INFO].smpsw_name = PSWITCH_HK_BATTERY_INFO;
336 psw[TP_PSW_EJECT_BUTTON].smpsw_name = PSWITCH_HK_EJECT_BUTTON;
337 psw[TP_PSW_ZOOM_BUTTON].smpsw_name = PSWITCH_HK_ZOOM_BUTTON;
338 psw[TP_PSW_VENDOR_BUTTON].smpsw_name = PSWITCH_HK_VENDOR_BUTTON;
339 #ifndef THINKPAD_NORMAL_HOTKEYS
340 psw[TP_PSW_FNF1_BUTTON].smpsw_name = PSWITCH_HK_FNF1_BUTTON;
341 psw[TP_PSW_WIRELESS_BUTTON].smpsw_name = PSWITCH_HK_WIRELESS_BUTTON;
342 psw[TP_PSW_WWAN_BUTTON].smpsw_name = PSWITCH_HK_WWAN_BUTTON;
343 psw[TP_PSW_POINTER_BUTTON].smpsw_name = PSWITCH_HK_POINTER_BUTTON;
344 psw[TP_PSW_FNF10_BUTTON].smpsw_name = PSWITCH_HK_FNF10_BUTTON;
345 psw[TP_PSW_FNF11_BUTTON].smpsw_name = PSWITCH_HK_FNF11_BUTTON;
346 psw[TP_PSW_BRIGHTNESS_UP].smpsw_name = PSWITCH_HK_BRIGHTNESS_UP;
347 psw[TP_PSW_BRIGHTNESS_DOWN].smpsw_name = PSWITCH_HK_BRIGHTNESS_DOWN;
348 psw[TP_PSW_THINKLIGHT].smpsw_name = PSWITCH_HK_THINKLIGHT;
349 psw[TP_PSW_VOLUME_UP].smpsw_name = PSWITCH_HK_VOLUME_UP;
350 psw[TP_PSW_VOLUME_DOWN].smpsw_name = PSWITCH_HK_VOLUME_DOWN;
351 psw[TP_PSW_VOLUME_MUTE].smpsw_name = PSWITCH_HK_VOLUME_MUTE;
352 psw[TP_PSW_STAR_BUTTON].smpsw_name = PSWITCH_HK_STAR_BUTTON;
353 psw[TP_PSW_SCISSORS_BUTTON].smpsw_name = PSWITCH_HK_SCISSORS_BUTTON;
354 psw[TP_PSW_BLUETOOTH_BUTTON].smpsw_name = PSWITCH_HK_BLUETOOTH_BUTTON;
355 psw[TP_PSW_KEYBOARD_BUTTON].smpsw_name = PSWITCH_HK_KEYBOARD_BUTTON;
356 #endif /* THINKPAD_NORMAL_HOTKEYS */
357
358 for (i = 0; i < TP_PSW_LAST; i++) {
359 /* not supported yet */
360 if (i == TP_PSW_HIBERNATE)
361 continue;
362 if (sysmon_pswitch_register(&sc->sc_smpsw[i]) != 0) {
363 aprint_error_dev(self,
364 "couldn't register with sysmon\n");
365 sc->sc_smpsw_valid = false;
366 break;
367 }
368 }
369
370 /* Register temperature and fan sensors with envsys */
371 thinkpad_sensors_init(sc);
372
373 fail:
374 if (!pmf_device_register(self, NULL, thinkpad_resume))
375 aprint_error_dev(self, "couldn't establish power handler\n");
376 if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_UP,
377 thinkpad_brightness_up, true))
378 aprint_error_dev(self, "couldn't register event handler\n");
379 if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_DOWN,
380 thinkpad_brightness_down, true))
381 aprint_error_dev(self, "couldn't register event handler\n");
382 }
383
384 static int
385 thinkpad_detach(device_t self, int flags)
386 {
387 struct thinkpad_softc *sc = device_private(self);
388 int i;
389
390 acpi_deregister_notify(sc->sc_node);
391
392 for (i = 0; i < TP_PSW_LAST; i++)
393 sysmon_pswitch_unregister(&sc->sc_smpsw[i]);
394
395 if (sc->sc_sme != NULL)
396 sysmon_envsys_unregister(sc->sc_sme);
397
398 pmf_device_deregister(self);
399
400 pmf_event_deregister(self, PMFE_DISPLAY_BRIGHTNESS_UP,
401 thinkpad_brightness_up, true);
402
403 pmf_event_deregister(self, PMFE_DISPLAY_BRIGHTNESS_DOWN,
404 thinkpad_brightness_down, true);
405
406 return 0;
407 }
408
409 static void
410 thinkpad_notify_handler(ACPI_HANDLE hdl, uint32_t notify, void *opaque)
411 {
412 device_t self = opaque;
413 thinkpad_softc_t *sc;
414
415 sc = device_private(self);
416
417 if (notify != 0x80) {
418 aprint_debug_dev(self, "unknown notify 0x%02x\n", notify);
419 return;
420 }
421
422 (void)AcpiOsExecute(OSL_NOTIFY_HANDLER, thinkpad_get_hotkeys, sc);
423 }
424
425 SDT_PROBE_DEFINE2(sdt, thinkpad, hotkey, MHKP,
426 "struct thinkpad_softc *"/*sc*/,
427 "ACPI_INTEGER"/*val*/);
428
429 static void
430 thinkpad_get_hotkeys(void *opaque)
431 {
432 thinkpad_softc_t *sc = (thinkpad_softc_t *)opaque;
433 device_t self = sc->sc_dev;
434 ACPI_STATUS rv;
435 ACPI_INTEGER val;
436 int type, event;
437
438 for (;;) {
439 rv = acpi_eval_integer(sc->sc_node->ad_handle, "MHKP", &val);
440 if (ACPI_FAILURE(rv)) {
441 aprint_error_dev(self, "couldn't evaluate MHKP: %s\n",
442 AcpiFormatException(rv));
443 return;
444 }
445 SDT_PROBE2(sdt, thinkpad, hotkey, MHKP, sc, val);
446
447 if (val == 0)
448 return;
449
450 type = (val & 0xf000) >> 12;
451 event = val & 0x0fff;
452
453 if (type != 1)
454 /* Only type 1 events are supported for now */
455 continue;
456
457 switch (event) {
458 case THINKPAD_NOTIFY_BrightnessUp:
459 thinkpad_brightness_up(self);
460 #ifndef THINKPAD_NORMAL_HOTKEYS
461 if (sc->sc_smpsw_valid == false)
462 break;
463 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_BRIGHTNESS_UP],
464 PSWITCH_EVENT_PRESSED);
465 #endif
466 break;
467 case THINKPAD_NOTIFY_BrightnessDown:
468 thinkpad_brightness_down(self);
469 #ifndef THINKPAD_NORMAL_HOTKEYS
470 if (sc->sc_smpsw_valid == false)
471 break;
472 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_BRIGHTNESS_DOWN],
473 PSWITCH_EVENT_PRESSED);
474 #endif
475 break;
476 case THINKPAD_NOTIFY_WirelessSwitch:
477 thinkpad_uwb_toggle(sc);
478 thinkpad_wwan_toggle(sc);
479 thinkpad_bluetooth_toggle(sc);
480 #ifndef THINKPAD_NORMAL_HOTKEYS
481 if (sc->sc_smpsw_valid == false)
482 break;
483 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_WIRELESS_BUTTON],
484 PSWITCH_EVENT_PRESSED);
485 #endif
486 break;
487 case THINKPAD_NOTIFY_Bluetooth:
488 thinkpad_bluetooth_toggle(sc);
489 #ifndef THINKPAD_NORMAL_HOTKEYS
490 if (sc->sc_smpsw_valid == false)
491 break;
492 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_BLUETOOTH_BUTTON],
493 PSWITCH_EVENT_PRESSED);
494 #endif
495 break;
496 case THINKPAD_NOTIFY_wWANSwitch:
497 thinkpad_wwan_toggle(sc);
498 #ifndef THINKPAD_NORMAL_HOTKEYS
499 if (sc->sc_smpsw_valid == false)
500 break;
501 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_WWAN_BUTTON],
502 PSWITCH_EVENT_PRESSED);
503 #endif
504 break;
505 case THINKPAD_NOTIFY_SleepButton:
506 if (sc->sc_smpsw_valid == false)
507 break;
508 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_SLEEP],
509 PSWITCH_EVENT_PRESSED);
510 break;
511 case THINKPAD_NOTIFY_HibernateButton:
512 #if notyet
513 if (sc->sc_smpsw_valid == false)
514 break;
515 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_HIBERNATE],
516 PSWITCH_EVENT_PRESSED);
517 #endif
518 break;
519 case THINKPAD_NOTIFY_DisplayCycle:
520 if (sc->sc_smpsw_valid == false)
521 break;
522 sysmon_pswitch_event(
523 &sc->sc_smpsw[TP_PSW_DISPLAY_CYCLE],
524 PSWITCH_EVENT_PRESSED);
525 break;
526 case THINKPAD_NOTIFY_LockScreen:
527 if (sc->sc_smpsw_valid == false)
528 break;
529 sysmon_pswitch_event(
530 &sc->sc_smpsw[TP_PSW_LOCK_SCREEN],
531 PSWITCH_EVENT_PRESSED);
532 break;
533 case THINKPAD_NOTIFY_BatteryInfo:
534 if (sc->sc_smpsw_valid == false)
535 break;
536 sysmon_pswitch_event(
537 &sc->sc_smpsw[TP_PSW_BATTERY_INFO],
538 PSWITCH_EVENT_PRESSED);
539 break;
540 case THINKPAD_NOTIFY_EjectButton:
541 if (sc->sc_smpsw_valid == false)
542 break;
543 sysmon_pswitch_event(
544 &sc->sc_smpsw[TP_PSW_EJECT_BUTTON],
545 PSWITCH_EVENT_PRESSED);
546 break;
547 case THINKPAD_NOTIFY_Zoom:
548 if (sc->sc_smpsw_valid == false)
549 break;
550 sysmon_pswitch_event(
551 &sc->sc_smpsw[TP_PSW_ZOOM_BUTTON],
552 PSWITCH_EVENT_PRESSED);
553 break;
554 case THINKPAD_NOTIFY_ThinkVantage:
555 if (sc->sc_smpsw_valid == false)
556 break;
557 sysmon_pswitch_event(
558 &sc->sc_smpsw[TP_PSW_VENDOR_BUTTON],
559 PSWITCH_EVENT_PRESSED);
560 break;
561 #ifndef THINKPAD_NORMAL_HOTKEYS
562 case THINKPAD_NOTIFY_FnF1:
563 if (sc->sc_smpsw_valid == false)
564 break;
565 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_FNF1_BUTTON],
566 PSWITCH_EVENT_PRESSED);
567 break;
568 case THINKPAD_NOTIFY_PointerSwitch:
569 if (sc->sc_smpsw_valid == false)
570 break;
571 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_POINTER_BUTTON],
572 PSWITCH_EVENT_PRESSED);
573 break;
574 case THINKPAD_NOTIFY_FnF11:
575 if (sc->sc_smpsw_valid == false)
576 break;
577 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_FNF11_BUTTON],
578 PSWITCH_EVENT_PRESSED);
579 break;
580 case THINKPAD_NOTIFY_ThinkLight:
581 if (sc->sc_smpsw_valid == false)
582 break;
583 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_THINKLIGHT],
584 PSWITCH_EVENT_PRESSED);
585 break;
586 /*
587 * For some reason the next four aren't seen on my T61.
588 */
589 case THINKPAD_NOTIFY_FnF10:
590 if (sc->sc_smpsw_valid == false)
591 break;
592 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_FNF10_BUTTON],
593 PSWITCH_EVENT_PRESSED);
594 break;
595 case THINKPAD_NOTIFY_VolumeUp:
596 if (sc->sc_smpsw_valid == false)
597 break;
598 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_VOLUME_UP],
599 PSWITCH_EVENT_PRESSED);
600 break;
601 case THINKPAD_NOTIFY_VolumeDown:
602 if (sc->sc_smpsw_valid == false)
603 break;
604 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_VOLUME_DOWN],
605 PSWITCH_EVENT_PRESSED);
606 break;
607 case THINKPAD_NOTIFY_VolumeMute:
608 if (sc->sc_smpsw_valid == false)
609 break;
610 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_VOLUME_MUTE],
611 PSWITCH_EVENT_PRESSED);
612 break;
613 case THINKPAD_NOTIFY_Star:
614 if (sc->sc_smpsw_valid == false)
615 break;
616 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_STAR_BUTTON],
617 PSWITCH_EVENT_PRESSED);
618 break;
619 case THINKPAD_NOTIFY_Scissors:
620 if (sc->sc_smpsw_valid == false)
621 break;
622 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_SCISSORS_BUTTON],
623 PSWITCH_EVENT_PRESSED);
624 break;
625 case THINKPAD_NOTIFY_Keyboard:
626 if (sc->sc_smpsw_valid == false)
627 break;
628 sysmon_pswitch_event(&sc->sc_smpsw[TP_PSW_KEYBOARD_BUTTON],
629 PSWITCH_EVENT_PRESSED);
630 break;
631 #else
632 case THINKPAD_NOTIFY_FnF1:
633 case THINKPAD_NOTIFY_PointerSwitch:
634 case THINKPAD_NOTIFY_FnF10:
635 case THINKPAD_NOTIFY_FnF11:
636 case THINKPAD_NOTIFY_ThinkLight:
637 case THINKPAD_NOTIFY_VolumeUp:
638 case THINKPAD_NOTIFY_VolumeDown:
639 case THINKPAD_NOTIFY_VolumeMute:
640 case THINKPAD_NOTIFY_Star:
641 case THINKPAD_NOTIFY_Scissors:
642 case THINKPAD_NOTIFY_Keyboard:
643 /* XXXJDM we should deliver hotkeys as keycodes */
644 break;
645 #endif /* THINKPAD_NORMAL_HOTKEYS */
646 default:
647 aprint_debug_dev(self, "notify event 0x%03x\n", event);
648 break;
649 }
650 }
651 }
652
653 static ACPI_STATUS
654 thinkpad_mask_init(thinkpad_softc_t *sc, uint32_t mask)
655 {
656 ACPI_OBJECT param[2];
657 ACPI_OBJECT_LIST params;
658 ACPI_STATUS rv;
659 int i;
660
661 /* Update hotkey mask */
662 params.Count = 2;
663 params.Pointer = param;
664 param[0].Type = param[1].Type = ACPI_TYPE_INTEGER;
665
666 for (i = 0; i < 32; i++) {
667 param[0].Integer.Value = i + 1;
668 param[1].Integer.Value = ((__BIT(i) & mask) != 0);
669
670 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "MHKM",
671 ¶ms, NULL);
672 if (ACPI_FAILURE(rv))
673 return rv;
674 }
675
676 /* Enable hotkey events */
677 rv = acpi_eval_set_integer(sc->sc_node->ad_handle, "MHKC", 1);
678 if (ACPI_FAILURE(rv)) {
679 aprint_error_dev(sc->sc_dev, "couldn't enable hotkeys: %s\n",
680 AcpiFormatException(rv));
681 return rv;
682 }
683
684 /* Claim ownership of brightness control */
685 (void)acpi_eval_set_integer(sc->sc_node->ad_handle, "PWMS", 0);
686
687 return AE_OK;
688 }
689
690 static void
691 thinkpad_sensors_init(thinkpad_softc_t *sc)
692 {
693 int i, j;
694
695 if (sc->sc_ecdev == NULL)
696 return; /* no chance of this working */
697
698 sc->sc_sme = sysmon_envsys_create();
699
700 for (i = j = 0; i < THINKPAD_NTEMPSENSORS; i++) {
701
702 sc->sc_sensor[i].units = ENVSYS_STEMP;
703 sc->sc_sensor[i].state = ENVSYS_SINVALID;
704 sc->sc_sensor[i].flags = ENVSYS_FHAS_ENTROPY;
705
706 (void)snprintf(sc->sc_sensor[i].desc,
707 sizeof(sc->sc_sensor[i].desc), "temperature %d", i);
708
709 if (sysmon_envsys_sensor_attach(sc->sc_sme,
710 &sc->sc_sensor[i]) != 0)
711 goto fail;
712 }
713
714 for (i = THINKPAD_NTEMPSENSORS; i < THINKPAD_NSENSORS; i++, j++) {
715
716 sc->sc_sensor[i].units = ENVSYS_SFANRPM;
717 sc->sc_sensor[i].state = ENVSYS_SINVALID;
718 sc->sc_sensor[i].flags = ENVSYS_FHAS_ENTROPY;
719
720 (void)snprintf(sc->sc_sensor[i].desc,
721 sizeof(sc->sc_sensor[i].desc), "fan speed %d", j);
722
723 if (sysmon_envsys_sensor_attach(sc->sc_sme,
724 &sc->sc_sensor[i]) != 0)
725 goto fail;
726 }
727
728 sc->sc_sme->sme_name = device_xname(sc->sc_dev);
729 sc->sc_sme->sme_cookie = sc;
730 sc->sc_sme->sme_refresh = thinkpad_sensors_refresh;
731
732 if (sysmon_envsys_register(sc->sc_sme) != 0)
733 goto fail;
734
735 return;
736
737 fail:
738 aprint_error_dev(sc->sc_dev, "failed to initialize sysmon\n");
739 sysmon_envsys_destroy(sc->sc_sme);
740 sc->sc_sme = NULL;
741 }
742
743 static void
744 thinkpad_sensors_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
745 {
746 switch (edata->units) {
747 case ENVSYS_STEMP:
748 thinkpad_temp_refresh(sme, edata);
749 break;
750 case ENVSYS_SFANRPM:
751 thinkpad_fan_refresh(sme, edata);
752 break;
753 default:
754 break;
755 }
756 }
757
758 static void
759 thinkpad_temp_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
760 {
761 thinkpad_softc_t *sc = sme->sme_cookie;
762 char sname[5] = "TMP?";
763 ACPI_INTEGER val;
764 ACPI_STATUS rv;
765 int temp;
766
767 sname[3] = '0' + edata->sensor;
768 rv = acpi_eval_integer(acpiec_get_handle(sc->sc_ecdev), sname, &val);
769 if (ACPI_FAILURE(rv)) {
770 edata->state = ENVSYS_SINVALID;
771 return;
772 }
773 temp = (int)val;
774 if (temp > 127 || temp < -127) {
775 edata->state = ENVSYS_SINVALID;
776 return;
777 }
778
779 edata->value_cur = temp * 1000000 + 273150000;
780 edata->state = ENVSYS_SVALID;
781 }
782
783 static void
784 thinkpad_fan_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
785 {
786 thinkpad_softc_t *sc = sme->sme_cookie;
787 ACPI_INTEGER lo;
788 ACPI_INTEGER hi;
789 ACPI_STATUS rv;
790 int rpm;
791
792 /*
793 * Read the low byte first to avoid a firmware bug.
794 */
795 rv = acpiec_bus_read(sc->sc_ecdev, 0x84, &lo, 1);
796 if (ACPI_FAILURE(rv)) {
797 edata->state = ENVSYS_SINVALID;
798 return;
799 }
800 rv = acpiec_bus_read(sc->sc_ecdev, 0x85, &hi, 1);
801 if (ACPI_FAILURE(rv)) {
802 edata->state = ENVSYS_SINVALID;
803 return;
804 }
805
806 rpm = ((((int)hi) << 8) | ((int)lo));
807 if (rpm < 0) {
808 edata->state = ENVSYS_SINVALID;
809 return;
810 }
811
812 edata->value_cur = rpm;
813 edata->state = ENVSYS_SVALID;
814 }
815
816 static void
817 thinkpad_bluetooth_toggle(thinkpad_softc_t *sc)
818 {
819 ACPI_BUFFER buf;
820 ACPI_OBJECT retobj;
821 ACPI_OBJECT param[1];
822 ACPI_OBJECT_LIST params;
823 ACPI_STATUS rv;
824
825 /* Ignore return value, as the hardware may not support bluetooth */
826 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "BTGL", NULL, NULL);
827 if (!ACPI_FAILURE(rv))
828 return;
829
830 buf.Pointer = &retobj;
831 buf.Length = sizeof(retobj);
832
833 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GBDC", NULL, &buf);
834 if (ACPI_FAILURE(rv))
835 return;
836
837 params.Count = 1;
838 params.Pointer = param;
839 param[0].Type = ACPI_TYPE_INTEGER;
840 param[0].Integer.Value =
841 (retobj.Integer.Value & THINKPAD_BLUETOOTH_RADIOSSW) == 0
842 ? THINKPAD_BLUETOOTH_RADIOSSW | THINKPAD_BLUETOOTH_RESUMECTRL
843 : 0;
844
845 (void)AcpiEvaluateObject(sc->sc_node->ad_handle, "SBDC", ¶ms, NULL);
846 }
847
848 static void
849 thinkpad_wwan_toggle(thinkpad_softc_t *sc)
850 {
851 ACPI_BUFFER buf;
852 ACPI_OBJECT retobj;
853 ACPI_OBJECT param[1];
854 ACPI_OBJECT_LIST params;
855 ACPI_STATUS rv;
856
857 buf.Pointer = &retobj;
858 buf.Length = sizeof(retobj);
859
860 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GWAN", NULL, &buf);
861 if (ACPI_FAILURE(rv))
862 return;
863
864 params.Count = 1;
865 params.Pointer = param;
866 param[0].Type = ACPI_TYPE_INTEGER;
867 param[0].Integer.Value =
868 (retobj.Integer.Value & THINKPAD_WWAN_RADIOSSW) == 0
869 ? THINKPAD_WWAN_RADIOSSW | THINKPAD_WWAN_RESUMECTRL
870 : 0;
871
872 (void)AcpiEvaluateObject(sc->sc_node->ad_handle, "SWAN", ¶ms, NULL);
873 }
874
875 static void
876 thinkpad_uwb_toggle(thinkpad_softc_t *sc)
877 {
878 ACPI_BUFFER buf;
879 ACPI_OBJECT retobj;
880 ACPI_OBJECT param[1];
881 ACPI_OBJECT_LIST params;
882 ACPI_STATUS rv;
883
884 buf.Pointer = &retobj;
885 buf.Length = sizeof(retobj);
886
887 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GUWB", NULL, &buf);
888 if (ACPI_FAILURE(rv))
889 return;
890
891 params.Count = 1;
892 params.Pointer = param;
893 param[0].Type = ACPI_TYPE_INTEGER;
894 param[0].Integer.Value =
895 (retobj.Integer.Value & THINKPAD_UWB_RADIOSSW) == 0
896 ? THINKPAD_UWB_RADIOSSW
897 : 0;
898
899 (void)AcpiEvaluateObject(sc->sc_node->ad_handle, "SUWB", ¶ms, NULL);
900 }
901
902 static uint8_t
903 thinkpad_brightness_read(thinkpad_softc_t *sc)
904 {
905 uint32_t val = 0;
906
907 AcpiOsWritePort(IO_RTC, 0x6c, 8);
908 AcpiOsReadPort(IO_RTC + 1, &val, 8);
909
910 return val & 7;
911 }
912
913 static void
914 thinkpad_brightness_up(device_t self)
915 {
916 thinkpad_softc_t *sc = device_private(self);
917
918 if (thinkpad_brightness_read(sc) == 7)
919 return;
920
921 thinkpad_cmos(sc, THINKPAD_CMOS_BRIGHTNESS_UP);
922 }
923
924 static void
925 thinkpad_brightness_down(device_t self)
926 {
927 thinkpad_softc_t *sc = device_private(self);
928
929 if (thinkpad_brightness_read(sc) == 0)
930 return;
931
932 thinkpad_cmos(sc, THINKPAD_CMOS_BRIGHTNESS_DOWN);
933 }
934
935 static void
936 thinkpad_cmos(thinkpad_softc_t *sc, uint8_t cmd)
937 {
938 ACPI_STATUS rv;
939
940 if (sc->sc_cmoshdl == NULL)
941 return;
942
943 rv = acpi_eval_set_integer(sc->sc_cmoshdl, NULL, cmd);
944
945 if (ACPI_FAILURE(rv))
946 aprint_error_dev(sc->sc_dev, "couldn't evaluate CMOS: %s\n",
947 AcpiFormatException(rv));
948 }
949
950 static bool
951 thinkpad_resume(device_t dv, const pmf_qual_t *qual)
952 {
953 thinkpad_softc_t *sc = device_private(dv);
954
955 if (sc->sc_powhdl == NULL)
956 return true;
957
958 (void)acpi_power_res(sc->sc_powhdl, sc->sc_node->ad_handle, true);
959
960 return true;
961 }
962
963 MODULE(MODULE_CLASS_DRIVER, thinkpad, "sysmon_envsys,sysmon_power");
964
965 #ifdef _MODULE
966 #include "ioconf.c"
967 #endif
968
969 static int
970 thinkpad_modcmd(modcmd_t cmd, void *aux)
971 {
972 int rv = 0;
973
974 switch (cmd) {
975
976 case MODULE_CMD_INIT:
977
978 #ifdef _MODULE
979 rv = config_init_component(cfdriver_ioconf_thinkpad,
980 cfattach_ioconf_thinkpad, cfdata_ioconf_thinkpad);
981 #endif
982 break;
983
984 case MODULE_CMD_FINI:
985
986 #ifdef _MODULE
987 rv = config_fini_component(cfdriver_ioconf_thinkpad,
988 cfattach_ioconf_thinkpad, cfdata_ioconf_thinkpad);
989 #endif
990 break;
991
992 default:
993 rv = ENOTTY;
994 }
995
996 return rv;
997 }
998