1 | /* $NetBSD: aibs_acpi.c,v 1.5 2015/04/23 23:23:00 pgoyette Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2011 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jukka Ruohonen. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | /* $OpenBSD: atk0110.c,v 1.1 2009/07/23 01:38:16 cnst Exp $ */ |
33 | /* |
34 | * Copyright (c) 2009 Constantine A. Murenin <cnst+netbsd@bugmail.mojo.ru> |
35 | * |
36 | * Permission to use, copy, modify, and distribute this software for any |
37 | * purpose with or without fee is hereby granted, provided that the above |
38 | * copyright notice and this permission notice appear in all copies. |
39 | * |
40 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
41 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
42 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
43 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
44 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
45 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
46 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
47 | */ |
48 | |
49 | #include <sys/cdefs.h> |
50 | __KERNEL_RCSID(0, "$NetBSD: aibs_acpi.c,v 1.5 2015/04/23 23:23:00 pgoyette Exp $" ); |
51 | |
52 | #include <sys/param.h> |
53 | #include <sys/kmem.h> |
54 | #include <sys/module.h> |
55 | |
56 | #include <dev/acpi/acpireg.h> |
57 | #include <dev/acpi/acpivar.h> |
58 | |
59 | /* |
60 | * ASUSTeK AI Booster (ACPI ASOC ATK0110). |
61 | * |
62 | * This code was originally written for OpenBSD after the techniques |
63 | * described in the Linux's asus_atk0110.c and FreeBSD's acpi_aiboost.c |
64 | * were verified to be accurate on the actual hardware kindly provided by |
65 | * Sam Fourman Jr. It was subsequently ported from OpenBSD to DragonFly BSD, |
66 | * and then to the NetBSD's sysmon_envsys(9) framework. |
67 | * |
68 | * -- Constantine A. Murenin <http://cnst.su/> |
69 | */ |
70 | |
71 | #define _COMPONENT ACPI_RESOURCE_COMPONENT |
72 | ACPI_MODULE_NAME ("acpi_aibs" ) |
73 | |
74 | #define AIBS_MUX_HWMON 0x00000006 |
75 | #define AIBS_MUX_MGMT 0x00000011 |
76 | |
77 | #define AIBS_TYPE(x) (((x) >> 16) & 0xff) |
78 | #define AIBS_TYPE_VOLT 2 |
79 | #define AIBS_TYPE_TEMP 3 |
80 | #define AIBS_TYPE_FAN 4 |
81 | |
82 | struct aibs_sensor { |
83 | envsys_data_t as_sensor; |
84 | uint64_t as_type; |
85 | uint64_t as_liml; |
86 | uint64_t as_limh; |
87 | |
88 | SIMPLEQ_ENTRY(aibs_sensor) as_list; |
89 | }; |
90 | |
91 | struct aibs_softc { |
92 | device_t sc_dev; |
93 | struct acpi_devnode *sc_node; |
94 | struct sysmon_envsys *sc_sme; |
95 | bool sc_model; /* new model = true */ |
96 | |
97 | SIMPLEQ_HEAD(, aibs_sensor) as_head; |
98 | }; |
99 | |
100 | static int aibs_match(device_t, cfdata_t, void *); |
101 | static void aibs_attach(device_t, device_t, void *); |
102 | static int aibs_detach(device_t, int); |
103 | |
104 | static void aibs_init(device_t); |
105 | static void aibs_init_new(device_t); |
106 | static void aibs_init_old(device_t, int); |
107 | |
108 | static void aibs_sensor_add(device_t, ACPI_OBJECT *); |
109 | static bool aibs_sensor_value(device_t, struct aibs_sensor *, uint64_t *); |
110 | static void aibs_sensor_refresh(struct sysmon_envsys *, envsys_data_t *); |
111 | static void aibs_sensor_limits(struct sysmon_envsys *, envsys_data_t *, |
112 | sysmon_envsys_lim_t *, uint32_t *); |
113 | |
114 | CFATTACH_DECL_NEW(aibs, sizeof(struct aibs_softc), |
115 | aibs_match, aibs_attach, aibs_detach, NULL); |
116 | |
117 | static const char* const aibs_hid[] = { |
118 | "ATK0110" , |
119 | NULL |
120 | }; |
121 | |
122 | static int |
123 | aibs_match(device_t parent, cfdata_t match, void *aux) |
124 | { |
125 | struct acpi_attach_args *aa = aux; |
126 | |
127 | if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) |
128 | return 0; |
129 | |
130 | return acpi_match_hid(aa->aa_node->ad_devinfo, aibs_hid); |
131 | } |
132 | |
133 | static void |
134 | aibs_attach(device_t parent, device_t self, void *aux) |
135 | { |
136 | struct aibs_softc *sc = device_private(self); |
137 | struct acpi_attach_args *aa = aux; |
138 | |
139 | sc->sc_dev = self; |
140 | sc->sc_node = aa->aa_node; |
141 | |
142 | aprint_naive("\n" ); |
143 | aprint_normal(": ASUSTeK AI Booster\n" ); |
144 | |
145 | sc->sc_sme = sysmon_envsys_create(); |
146 | |
147 | sc->sc_sme->sme_cookie = sc; |
148 | sc->sc_sme->sme_name = device_xname(self); |
149 | sc->sc_sme->sme_refresh = aibs_sensor_refresh; |
150 | sc->sc_sme->sme_get_limits = aibs_sensor_limits; |
151 | |
152 | aibs_init(self); |
153 | SIMPLEQ_INIT(&sc->as_head); |
154 | |
155 | if (sc->sc_model != false) |
156 | aibs_init_new(self); |
157 | else { |
158 | aibs_init_old(self, AIBS_TYPE_FAN); |
159 | aibs_init_old(self, AIBS_TYPE_TEMP); |
160 | aibs_init_old(self, AIBS_TYPE_VOLT); |
161 | } |
162 | |
163 | (void)pmf_device_register(self, NULL, NULL); |
164 | |
165 | if (sc->sc_sme->sme_nsensors == 0) { |
166 | aprint_error_dev(self, "no sensors found\n" ); |
167 | sysmon_envsys_destroy(sc->sc_sme); |
168 | sc->sc_sme = NULL; |
169 | return; |
170 | } |
171 | |
172 | if (sysmon_envsys_register(sc->sc_sme) != 0) |
173 | aprint_error_dev(self, "failed to register with sysmon\n" ); |
174 | } |
175 | |
176 | static int |
177 | aibs_detach(device_t self, int flags) |
178 | { |
179 | struct aibs_softc *sc = device_private(self); |
180 | struct aibs_sensor *as; |
181 | |
182 | pmf_device_deregister(self); |
183 | |
184 | if (sc->sc_sme != NULL) |
185 | sysmon_envsys_unregister(sc->sc_sme); |
186 | |
187 | while (SIMPLEQ_FIRST(&sc->as_head) != NULL) { |
188 | as = SIMPLEQ_FIRST(&sc->as_head); |
189 | SIMPLEQ_REMOVE_HEAD(&sc->as_head, as_list); |
190 | kmem_free(as, sizeof(*as)); |
191 | } |
192 | |
193 | return 0; |
194 | } |
195 | |
196 | static void |
197 | aibs_init(device_t self) |
198 | { |
199 | struct aibs_softc *sc = device_private(self); |
200 | ACPI_HANDLE tmp; |
201 | ACPI_STATUS rv; |
202 | |
203 | /* |
204 | * Old model uses the tuple { TSIF, VSIF, FSIF } to |
205 | * enumerate the sensors and { RTMP, RVLT, RFAN } |
206 | * to obtain the values. New mode uses GGRP for the |
207 | * enumeration and { GITM, SITM } as accessors. |
208 | */ |
209 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "GGRP" , &tmp); |
210 | |
211 | if (ACPI_FAILURE(rv)) { |
212 | sc->sc_model = false; |
213 | return; |
214 | } |
215 | |
216 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "GITM" , &tmp); |
217 | |
218 | if (ACPI_FAILURE(rv)) { |
219 | sc->sc_model = false; |
220 | return; |
221 | } |
222 | |
223 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "SITM" , &tmp); |
224 | |
225 | if (ACPI_FAILURE(rv)) { |
226 | sc->sc_model = false; |
227 | return; |
228 | } |
229 | |
230 | sc->sc_model = true; |
231 | |
232 | /* |
233 | * If both the new and the old methods are present, prefer |
234 | * the old one; GGRP/GITM may not be functional in this case. |
235 | */ |
236 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "FSIF" , &tmp); |
237 | |
238 | if (ACPI_FAILURE(rv)) |
239 | return; |
240 | |
241 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "TSIF" , &tmp); |
242 | |
243 | if (ACPI_FAILURE(rv)) |
244 | return; |
245 | |
246 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "VSIF" , &tmp); |
247 | |
248 | if (ACPI_FAILURE(rv)) |
249 | return; |
250 | |
251 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "RFAN" , &tmp); |
252 | |
253 | if (ACPI_FAILURE(rv)) |
254 | return; |
255 | |
256 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "RTMP" , &tmp); |
257 | |
258 | if (ACPI_FAILURE(rv)) |
259 | return; |
260 | |
261 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "RVLT" , &tmp); |
262 | |
263 | if (ACPI_FAILURE(rv)) |
264 | return; |
265 | |
266 | sc->sc_model = false; |
267 | } |
268 | |
269 | static void |
270 | aibs_init_new(device_t self) |
271 | { |
272 | struct aibs_softc *sc = device_private(self); |
273 | ACPI_OBJECT_LIST arg; |
274 | ACPI_OBJECT id, *obj; |
275 | ACPI_BUFFER buf; |
276 | ACPI_STATUS rv; |
277 | uint32_t i, n; |
278 | |
279 | arg.Count = 1; |
280 | arg.Pointer = &id; |
281 | |
282 | id.Type = ACPI_TYPE_INTEGER; |
283 | id.Integer.Value = AIBS_MUX_HWMON; |
284 | |
285 | buf.Pointer = NULL; |
286 | buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER; |
287 | |
288 | rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GGRP" , &arg, &buf); |
289 | |
290 | if (ACPI_FAILURE(rv)) |
291 | goto out; |
292 | |
293 | obj = buf.Pointer; |
294 | |
295 | if (obj->Type != ACPI_TYPE_PACKAGE) { |
296 | rv = AE_TYPE; |
297 | goto out; |
298 | } |
299 | |
300 | if (obj->Package.Count > UINT32_MAX) { |
301 | rv = AE_AML_NUMERIC_OVERFLOW; |
302 | goto out; |
303 | } |
304 | |
305 | n = obj->Package.Count; |
306 | |
307 | if (n == 0) { |
308 | rv = AE_NOT_EXIST; |
309 | goto out; |
310 | } |
311 | |
312 | for (i = 0; i < n; i++) |
313 | aibs_sensor_add(self, &obj->Package.Elements[i]); |
314 | |
315 | out: |
316 | if (buf.Pointer != NULL) |
317 | ACPI_FREE(buf.Pointer); |
318 | |
319 | if (ACPI_FAILURE(rv)) { |
320 | |
321 | aprint_error_dev(self, "failed to evaluate " |
322 | "GGRP: %s\n" , AcpiFormatException(rv)); |
323 | } |
324 | } |
325 | |
326 | static void |
327 | aibs_init_old(device_t self, int type) |
328 | { |
329 | struct aibs_softc *sc = device_private(self); |
330 | char path[] = "?SIF" ; |
331 | ACPI_OBJECT *elm, *obj; |
332 | ACPI_BUFFER buf; |
333 | ACPI_STATUS rv; |
334 | uint32_t i, n; |
335 | |
336 | switch (type) { |
337 | |
338 | case AIBS_TYPE_FAN: |
339 | path[0] = 'F'; |
340 | break; |
341 | |
342 | case AIBS_TYPE_TEMP: |
343 | path[0] = 'T'; |
344 | break; |
345 | |
346 | case AIBS_TYPE_VOLT: |
347 | path[0] = 'V'; |
348 | break; |
349 | |
350 | default: |
351 | return; |
352 | } |
353 | |
354 | rv = acpi_eval_struct(sc->sc_node->ad_handle, path, &buf); |
355 | |
356 | if (ACPI_FAILURE(rv)) |
357 | goto out; |
358 | |
359 | obj = buf.Pointer; |
360 | |
361 | if (obj->Type != ACPI_TYPE_PACKAGE) { |
362 | rv = AE_TYPE; |
363 | goto out; |
364 | } |
365 | |
366 | elm = obj->Package.Elements; |
367 | |
368 | if (elm[0].Type != ACPI_TYPE_INTEGER) { |
369 | rv = AE_TYPE; |
370 | goto out; |
371 | } |
372 | |
373 | if (elm[0].Integer.Value > UINT32_MAX) { |
374 | rv = AE_AML_NUMERIC_OVERFLOW; |
375 | goto out; |
376 | } |
377 | |
378 | n = elm[0].Integer.Value; |
379 | |
380 | if (n == 0) { |
381 | rv = AE_NOT_EXIST; |
382 | goto out; |
383 | } |
384 | |
385 | if (obj->Package.Count - 1 != n) { |
386 | rv = AE_BAD_VALUE; |
387 | goto out; |
388 | } |
389 | |
390 | for (i = 1; i < obj->Package.Count; i++) { |
391 | |
392 | if (elm[i].Type != ACPI_TYPE_PACKAGE) |
393 | continue; |
394 | |
395 | aibs_sensor_add(self, &elm[i]); |
396 | } |
397 | |
398 | out: |
399 | if (buf.Pointer != NULL) |
400 | ACPI_FREE(buf.Pointer); |
401 | |
402 | if (ACPI_FAILURE(rv)) { |
403 | |
404 | aprint_error_dev(self, "failed to evaluate " |
405 | "%s: %s\n" , path, AcpiFormatException(rv)); |
406 | } |
407 | } |
408 | |
409 | static void |
410 | aibs_sensor_add(device_t self, ACPI_OBJECT *obj) |
411 | { |
412 | struct aibs_softc *sc = device_private(self); |
413 | struct aibs_sensor *as; |
414 | int ena, len, lhi, llo; |
415 | const char *name; |
416 | ACPI_STATUS rv; |
417 | |
418 | as = NULL; |
419 | rv = AE_OK; |
420 | |
421 | if (obj->Type != ACPI_TYPE_PACKAGE) { |
422 | rv = AE_TYPE; |
423 | goto out; |
424 | } |
425 | |
426 | /* |
427 | * The known formats are: |
428 | * |
429 | * index type old new |
430 | * ----- ---- --- --- |
431 | * 0 integer flags flags |
432 | * 1 string name name |
433 | * 2 integer limit1 unknown |
434 | * 3 integer limit2 unknown |
435 | * 4 integer enable limit1 |
436 | * 5 integer - limit2 |
437 | * 6 integer - enable |
438 | */ |
439 | if (sc->sc_model != false) { |
440 | len = 7; |
441 | llo = 4; |
442 | lhi = 5; |
443 | ena = 6; |
444 | } else { |
445 | len = 5; |
446 | llo = 2; |
447 | lhi = 3; |
448 | ena = 4; |
449 | } |
450 | |
451 | if (obj->Package.Count != (uint32_t)len) { |
452 | rv = AE_LIMIT; |
453 | goto out; |
454 | } |
455 | |
456 | if (obj->Package.Elements[0].Type != ACPI_TYPE_INTEGER || |
457 | obj->Package.Elements[1].Type != ACPI_TYPE_STRING || |
458 | obj->Package.Elements[llo].Type != ACPI_TYPE_INTEGER || |
459 | obj->Package.Elements[lhi].Type != ACPI_TYPE_INTEGER || |
460 | obj->Package.Elements[ena].Type != ACPI_TYPE_INTEGER) { |
461 | rv = AE_TYPE; |
462 | goto out; |
463 | } |
464 | |
465 | as = kmem_zalloc(sizeof(*as), KM_SLEEP); |
466 | |
467 | if (as == NULL) { |
468 | rv = AE_NO_MEMORY; |
469 | goto out; |
470 | } |
471 | |
472 | name = obj->Package.Elements[1].String.Pointer; |
473 | |
474 | as->as_type = obj->Package.Elements[0].Integer.Value; |
475 | as->as_liml = obj->Package.Elements[llo].Integer.Value; |
476 | as->as_limh = obj->Package.Elements[lhi].Integer.Value; |
477 | |
478 | if (sc->sc_model != false) |
479 | as->as_limh += as->as_liml; /* A range in the new model. */ |
480 | |
481 | as->as_sensor.state = ENVSYS_SINVALID; |
482 | |
483 | switch (AIBS_TYPE(as->as_type)) { |
484 | |
485 | case AIBS_TYPE_FAN: |
486 | as->as_sensor.units = ENVSYS_SFANRPM; |
487 | as->as_sensor.flags = ENVSYS_FMONLIMITS | ENVSYS_FHAS_ENTROPY; |
488 | break; |
489 | |
490 | case AIBS_TYPE_TEMP: |
491 | as->as_sensor.units = ENVSYS_STEMP; |
492 | as->as_sensor.flags = ENVSYS_FMONLIMITS | ENVSYS_FHAS_ENTROPY; |
493 | break; |
494 | |
495 | case AIBS_TYPE_VOLT: |
496 | as->as_sensor.units = ENVSYS_SVOLTS_DC; |
497 | as->as_sensor.flags = ENVSYS_FMONLIMITS | ENVSYS_FHAS_ENTROPY; |
498 | break; |
499 | |
500 | default: |
501 | rv = AE_TYPE; |
502 | goto out; |
503 | } |
504 | |
505 | (void)strlcpy(as->as_sensor.desc, name, sizeof(as->as_sensor.desc)); |
506 | |
507 | if (sysmon_envsys_sensor_attach(sc->sc_sme, &as->as_sensor) != 0) { |
508 | rv = AE_AML_INTERNAL; |
509 | goto out; |
510 | } |
511 | |
512 | SIMPLEQ_INSERT_TAIL(&sc->as_head, as, as_list); |
513 | |
514 | out: |
515 | if (ACPI_FAILURE(rv)) { |
516 | |
517 | if (as != NULL) |
518 | kmem_free(as, sizeof(*as)); |
519 | |
520 | aprint_error_dev(self, "failed to add " |
521 | "sensor: %s\n" , AcpiFormatException(rv)); |
522 | } |
523 | } |
524 | |
525 | static bool |
526 | aibs_sensor_value(device_t self, struct aibs_sensor *as, uint64_t *val) |
527 | { |
528 | struct aibs_softc *sc = device_private(self); |
529 | uint32_t type, *ret, cmb[3]; |
530 | ACPI_OBJECT_LIST arg; |
531 | ACPI_OBJECT cmi, tmp; |
532 | ACPI_OBJECT *obj; |
533 | ACPI_BUFFER buf; |
534 | ACPI_STATUS rv; |
535 | const char *path; |
536 | |
537 | if (sc->sc_model != false) { |
538 | |
539 | path = "GITM" ; |
540 | |
541 | cmb[0] = as->as_type; |
542 | cmb[1] = 0; |
543 | cmb[2] = 0; |
544 | |
545 | arg.Count = 1; |
546 | arg.Pointer = &tmp; |
547 | |
548 | tmp.Buffer.Length = sizeof(cmb); |
549 | tmp.Buffer.Pointer = (uint8_t *)cmb; |
550 | tmp.Type = type = ACPI_TYPE_BUFFER; |
551 | |
552 | } else { |
553 | |
554 | arg.Count = 1; |
555 | arg.Pointer = &cmi; |
556 | |
557 | cmi.Integer.Value = as->as_type; |
558 | cmi.Type = type = ACPI_TYPE_INTEGER; |
559 | |
560 | switch (AIBS_TYPE(as->as_type)) { |
561 | |
562 | case AIBS_TYPE_FAN: |
563 | path = "RFAN" ; |
564 | break; |
565 | |
566 | case AIBS_TYPE_TEMP: |
567 | path = "RTMP" ; |
568 | break; |
569 | |
570 | case AIBS_TYPE_VOLT: |
571 | path = "RVLT" ; |
572 | break; |
573 | |
574 | default: |
575 | return false; |
576 | } |
577 | } |
578 | |
579 | buf.Pointer = NULL; |
580 | buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER; |
581 | |
582 | rv = AcpiEvaluateObject(sc->sc_node->ad_handle, path, &arg, &buf); |
583 | |
584 | if (ACPI_FAILURE(rv)) |
585 | goto out; |
586 | |
587 | obj = buf.Pointer; |
588 | |
589 | if (obj->Type != type) { |
590 | rv = AE_TYPE; |
591 | goto out; |
592 | } |
593 | |
594 | if (sc->sc_model != true) |
595 | *val = obj->Integer.Value; |
596 | else { |
597 | /* |
598 | * The return buffer contains at least: |
599 | * |
600 | * uint32_t buf[0] flags |
601 | * uint32_t buf[1] return value |
602 | * uint8_t buf[2-] unknown |
603 | */ |
604 | if (obj->Buffer.Length < 8) { |
605 | rv = AE_BUFFER_OVERFLOW; |
606 | goto out; |
607 | } |
608 | |
609 | ret = (uint32_t *)obj->Buffer.Pointer; |
610 | |
611 | if (ret[0] == 0) { |
612 | rv = AE_BAD_VALUE; |
613 | goto out; |
614 | } |
615 | |
616 | *val = ret[1]; |
617 | } |
618 | |
619 | out: |
620 | if (buf.Pointer != NULL) |
621 | ACPI_FREE(buf.Pointer); |
622 | |
623 | if (ACPI_FAILURE(rv)) { |
624 | |
625 | aprint_error_dev(self, "failed to evaluate " |
626 | "%s: %s\n" , path, AcpiFormatException(rv)); |
627 | |
628 | return false; |
629 | } |
630 | |
631 | return true; |
632 | } |
633 | |
634 | static void |
635 | aibs_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) |
636 | { |
637 | struct aibs_softc *sc = sme->sme_cookie; |
638 | struct aibs_sensor *tmp, *as = NULL; |
639 | envsys_data_t *s = edata; |
640 | uint64_t val = 0; |
641 | |
642 | SIMPLEQ_FOREACH(tmp, &sc->as_head, as_list) { |
643 | |
644 | if (tmp->as_sensor.sensor == s->sensor) { |
645 | as = tmp; |
646 | break; |
647 | } |
648 | } |
649 | |
650 | if (as == NULL) { |
651 | aprint_debug_dev(sc->sc_dev, "failed to find sensor\n" ); |
652 | return; |
653 | } |
654 | |
655 | as->as_sensor.state = ENVSYS_SINVALID; |
656 | as->as_sensor.flags |= ENVSYS_FMONNOTSUPP; |
657 | |
658 | if (aibs_sensor_value(sc->sc_dev, as, &val) != true) |
659 | return; |
660 | |
661 | switch (as->as_sensor.units) { |
662 | |
663 | case ENVSYS_SFANRPM: |
664 | as->as_sensor.value_cur = val; |
665 | break; |
666 | |
667 | case ENVSYS_STEMP: |
668 | |
669 | if (val == 0) |
670 | return; |
671 | |
672 | as->as_sensor.value_cur = val * 100 * 1000 + 273150000; |
673 | break; |
674 | |
675 | case ENVSYS_SVOLTS_DC: |
676 | as->as_sensor.value_cur = val * 1000; |
677 | break; |
678 | |
679 | default: |
680 | return; |
681 | } |
682 | |
683 | as->as_sensor.state = ENVSYS_SVALID; |
684 | as->as_sensor.flags &= ~ENVSYS_FMONNOTSUPP; |
685 | } |
686 | |
687 | static void |
688 | aibs_sensor_limits(struct sysmon_envsys *sme, envsys_data_t *edata, |
689 | sysmon_envsys_lim_t *limits, uint32_t *props) |
690 | { |
691 | struct aibs_softc *sc = sme->sme_cookie; |
692 | struct aibs_sensor *tmp, *as = NULL; |
693 | sysmon_envsys_lim_t *lim = limits; |
694 | envsys_data_t *s = edata; |
695 | |
696 | SIMPLEQ_FOREACH(tmp, &sc->as_head, as_list) { |
697 | |
698 | if (tmp->as_sensor.sensor == s->sensor) { |
699 | as = tmp; |
700 | break; |
701 | } |
702 | } |
703 | |
704 | if (as == NULL) { |
705 | aprint_debug_dev(sc->sc_dev, "failed to find sensor\n" ); |
706 | return; |
707 | } |
708 | |
709 | switch (as->as_sensor.units) { |
710 | |
711 | case ENVSYS_SFANRPM: |
712 | |
713 | /* |
714 | * Some boards have strange limits for fans. |
715 | */ |
716 | if (as->as_liml == 0) { |
717 | lim->sel_warnmin = as->as_limh; |
718 | *props = PROP_WARNMIN; |
719 | |
720 | } else { |
721 | lim->sel_warnmin = as->as_liml; |
722 | lim->sel_warnmax = as->as_limh; |
723 | *props = PROP_WARNMIN | PROP_WARNMAX; |
724 | } |
725 | |
726 | break; |
727 | |
728 | case ENVSYS_STEMP: |
729 | lim->sel_critmax = as->as_limh * 100 * 1000 + 273150000; |
730 | lim->sel_warnmax = as->as_liml * 100 * 1000 + 273150000; |
731 | |
732 | *props = PROP_CRITMAX | PROP_WARNMAX; |
733 | break; |
734 | |
735 | case ENVSYS_SVOLTS_DC: |
736 | lim->sel_critmin = as->as_liml * 1000; |
737 | lim->sel_critmax = as->as_limh * 1000; |
738 | *props = PROP_CRITMIN | PROP_CRITMAX; |
739 | break; |
740 | |
741 | default: |
742 | return; |
743 | } |
744 | } |
745 | |
746 | MODULE(MODULE_CLASS_DRIVER, aibs, "sysmon_envsys" ); |
747 | |
748 | #ifdef _MODULE |
749 | #include "ioconf.c" |
750 | #endif |
751 | |
752 | static int |
753 | aibs_modcmd(modcmd_t cmd, void *aux) |
754 | { |
755 | int rv = 0; |
756 | |
757 | switch (cmd) { |
758 | |
759 | case MODULE_CMD_INIT: |
760 | |
761 | #ifdef _MODULE |
762 | rv = config_init_component(cfdriver_ioconf_aibs, |
763 | cfattach_ioconf_aibs, cfdata_ioconf_aibs); |
764 | #endif |
765 | break; |
766 | |
767 | case MODULE_CMD_FINI: |
768 | |
769 | #ifdef _MODULE |
770 | rv = config_fini_component(cfdriver_ioconf_aibs, |
771 | cfattach_ioconf_aibs, cfdata_ioconf_aibs); |
772 | #endif |
773 | break; |
774 | |
775 | default: |
776 | rv = ENOTTY; |
777 | } |
778 | |
779 | return rv; |
780 | } |
781 | |