1 /*-
2 * Copyright (c) 2004, 2005 Philip Paeps <philip@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 /*
31 * Driver for extra ACPI-controlled gadgets (hotkeys, leds, etc) found on
32 * recent Asus (and Medion) laptops. Inspired by the acpi4asus project which
33 * implements these features in the Linux kernel.
34 *
35 * <http://sourceforge.net/projects/acpi4asus/>
36 *
37 * Currently should support most features, but could use some more testing.
38 * Particularly the display-switching stuff is a bit hairy. If you have an
39 * Asus laptop which doesn't appear to be supported, or strange things happen
40 * when using this driver, please report to <acpi@FreeBSD.org>.
41 */
42
43 #include "opt_acpi.h"
44 #include <sys/param.h>
45 #include <sys/kernel.h>
46 #include <sys/module.h>
47 #include <sys/bus.h>
48 #include <sys/sbuf.h>
49
50 #include <contrib/dev/acpica/include/acpi.h>
51 #include <contrib/dev/acpica/include/accommon.h>
52
53 #include <dev/acpica/acpivar.h>
54 #include <dev/led/led.h>
55
56 /* Methods */
57 #define ACPI_ASUS_METHOD_BRN 1
58 #define ACPI_ASUS_METHOD_DISP 2
59 #define ACPI_ASUS_METHOD_LCD 3
60 #define ACPI_ASUS_METHOD_CAMERA 4
61 #define ACPI_ASUS_METHOD_CARDRD 5
62 #define ACPI_ASUS_METHOD_WLAN 6
63
64 #define _COMPONENT ACPI_OEM
65 ACPI_MODULE_NAME("ASUS")
66
67 struct acpi_asus_model {
68 char *name;
69
70 char *bled_set;
71 char *dled_set;
72 char *gled_set;
73 char *mled_set;
74 char *tled_set;
75 char *wled_set;
76
77 char *brn_get;
78 char *brn_set;
79 char *brn_up;
80 char *brn_dn;
81
82 char *lcd_get;
83 char *lcd_set;
84
85 char *disp_get;
86 char *disp_set;
87
88 char *cam_get;
89 char *cam_set;
90
91 char *crd_get;
92 char *crd_set;
93
94 char *wlan_get;
95 char *wlan_set;
96
97 void (*n_func)(ACPI_HANDLE, UINT32, void *);
98
99 char *lcdd;
100 void (*lcdd_n_func)(ACPI_HANDLE, UINT32, void *);
101 };
102
103 struct acpi_asus_led {
104 struct acpi_asus_softc *sc;
105 struct cdev *cdev;
106 int busy;
107 int state;
108 enum {
109 ACPI_ASUS_LED_BLED,
110 ACPI_ASUS_LED_DLED,
111 ACPI_ASUS_LED_GLED,
112 ACPI_ASUS_LED_MLED,
113 ACPI_ASUS_LED_TLED,
114 ACPI_ASUS_LED_WLED,
115 } type;
116 };
117
118 struct acpi_asus_softc {
119 device_t dev;
120 ACPI_HANDLE handle;
121 ACPI_HANDLE lcdd_handle;
122
123 struct acpi_asus_model *model;
124 struct sysctl_ctx_list sysctl_ctx;
125 struct sysctl_oid *sysctl_tree;
126
127 struct acpi_asus_led s_bled;
128 struct acpi_asus_led s_dled;
129 struct acpi_asus_led s_gled;
130 struct acpi_asus_led s_mled;
131 struct acpi_asus_led s_tled;
132 struct acpi_asus_led s_wled;
133
134 int s_brn;
135 int s_disp;
136 int s_lcd;
137 int s_cam;
138 int s_crd;
139 int s_wlan;
140 };
141
142 static void acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify,
143 void *context);
144
145 /*
146 * We can identify Asus laptops from the string they return
147 * as a result of calling the ATK0100 'INIT' method.
148 */
149 static struct acpi_asus_model acpi_asus_models[] = {
150 {
151 .name = "xxN",
152 .mled_set = "MLED",
153 .wled_set = "WLED",
154 .lcd_get = "\\BKLT",
155 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
156 .brn_get = "GPLV",
157 .brn_set = "SPLV",
158 .disp_get = "\\ADVG",
159 .disp_set = "SDSP"
160 },
161 {
162 .name = "A1x",
163 .mled_set = "MLED",
164 .lcd_get = "\\BKLI",
165 .lcd_set = "\\_SB.PCI0.ISA.EC0._Q10",
166 .brn_up = "\\_SB.PCI0.ISA.EC0._Q0E",
167 .brn_dn = "\\_SB.PCI0.ISA.EC0._Q0F"
168 },
169 {
170 .name = "A2x",
171 .mled_set = "MLED",
172 .wled_set = "WLED",
173 .lcd_get = "\\BAOF",
174 .lcd_set = "\\Q10",
175 .brn_get = "GPLV",
176 .brn_set = "SPLV",
177 .disp_get = "\\INFB",
178 .disp_set = "SDSP"
179 },
180 {
181 .name = "A3E",
182 .mled_set = "MLED",
183 .wled_set = "WLED",
184 .lcd_get = "\\_SB.PCI0.SBRG.EC0.RPIN(0x67)",
185 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
186 .brn_get = "GPLV",
187 .brn_set = "SPLV",
188 .disp_get = "\\_SB.PCI0.P0P2.VGA.GETD",
189 .disp_set = "SDSP"
190 },
191 {
192 .name = "A3F",
193 .mled_set = "MLED",
194 .wled_set = "WLED",
195 .bled_set = "BLED",
196 .lcd_get = "\\_SB.PCI0.SBRG.EC0.RPIN(0x11)",
197 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
198 .brn_get = "GPLV",
199 .brn_set = "SPLV",
200 .disp_get = "\\SSTE",
201 .disp_set = "SDSP"
202 },
203 {
204 .name = "A3N",
205 .mled_set = "MLED",
206 .bled_set = "BLED",
207 .wled_set = "WLED",
208 .lcd_get = "\\BKLT",
209 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
210 .brn_get = "GPLV",
211 .brn_set = "SPLV",
212 .disp_get = "\\_SB.PCI0.P0P3.VGA.GETD",
213 .disp_set = "SDSP"
214 },
215 {
216 .name = "A4D",
217 .mled_set = "MLED",
218 .brn_up = "\\_SB_.PCI0.SBRG.EC0._Q0E",
219 .brn_dn = "\\_SB_.PCI0.SBRG.EC0._Q0F",
220 .brn_get = "GPLV",
221 .brn_set = "SPLV",
222 #ifdef notyet
223 .disp_get = "\\_SB_.PCI0.SBRG.EC0._Q10",
224 .disp_set = "\\_SB_.PCI0.SBRG.EC0._Q11"
225 #endif
226 },
227 {
228 .name = "A6V",
229 .bled_set = "BLED",
230 .mled_set = "MLED",
231 .wled_set = "WLED",
232 .lcd_get = NULL,
233 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
234 .brn_get = "GPLV",
235 .brn_set = "SPLV",
236 .disp_get = "\\_SB.PCI0.P0P3.VGA.GETD",
237 .disp_set = "SDSP"
238 },
239 {
240 .name = "A8SR",
241 .bled_set = "BLED",
242 .mled_set = "MLED",
243 .wled_set = "WLED",
244 .lcd_get = NULL,
245 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
246 .brn_get = "GPLV",
247 .brn_set = "SPLV",
248 .disp_get = "\\_SB.PCI0.P0P1.VGA.GETD",
249 .disp_set = "SDSP",
250 .lcdd = "\\_SB.PCI0.P0P1.VGA.LCDD",
251 .lcdd_n_func = acpi_asus_lcdd_notify
252 },
253 {
254 .name = "D1x",
255 .mled_set = "MLED",
256 .lcd_get = "\\GP11",
257 .lcd_set = "\\Q0D",
258 .brn_up = "\\Q0C",
259 .brn_dn = "\\Q0B",
260 .disp_get = "\\INFB",
261 .disp_set = "SDSP"
262 },
263 {
264 .name = "G2K",
265 .bled_set = "BLED",
266 .dled_set = "DLED",
267 .gled_set = "GLED",
268 .mled_set = "MLED",
269 .tled_set = "TLED",
270 .wled_set = "WLED",
271 .brn_get = "GPLV",
272 .brn_set = "SPLV",
273 .lcd_get = "GBTL",
274 .lcd_set = "SBTL",
275 .disp_get = "\\_SB.PCI0.PCE2.VGA.GETD",
276 .disp_set = "SDSP",
277 },
278 {
279 .name = "L2D",
280 .mled_set = "MLED",
281 .wled_set = "WLED",
282 .brn_up = "\\Q0E",
283 .brn_dn = "\\Q0F",
284 .lcd_get = "\\SGP0",
285 .lcd_set = "\\Q10"
286 },
287 {
288 .name = "L3C",
289 .mled_set = "MLED",
290 .wled_set = "WLED",
291 .brn_get = "GPLV",
292 .brn_set = "SPLV",
293 .lcd_get = "\\GL32",
294 .lcd_set = "\\_SB.PCI0.PX40.ECD0._Q10"
295 },
296 {
297 .name = "L3D",
298 .mled_set = "MLED",
299 .wled_set = "WLED",
300 .brn_get = "GPLV",
301 .brn_set = "SPLV",
302 .lcd_get = "\\BKLG",
303 .lcd_set = "\\Q10"
304 },
305 {
306 .name = "L3H",
307 .mled_set = "MLED",
308 .wled_set = "WLED",
309 .brn_get = "GPLV",
310 .brn_set = "SPLV",
311 .lcd_get = "\\_SB.PCI0.PM.PBC",
312 .lcd_set = "EHK",
313 .disp_get = "\\_SB.INFB",
314 .disp_set = "SDSP"
315 },
316 {
317 .name = "L4R",
318 .mled_set = "MLED",
319 .wled_set = "WLED",
320 .brn_get = "GPLV",
321 .brn_set = "SPLV",
322 .lcd_get = "\\_SB.PCI0.SBSM.SEO4",
323 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
324 .disp_get = "\\_SB.PCI0.P0P1.VGA.GETD",
325 .disp_set = "SDSP"
326 },
327 {
328 .name = "L5x",
329 .mled_set = "MLED",
330 .tled_set = "TLED",
331 .lcd_get = "\\BAOF",
332 .lcd_set = "\\Q0D",
333 .brn_get = "GPLV",
334 .brn_set = "SPLV",
335 .disp_get = "\\INFB",
336 .disp_set = "SDSP"
337 },
338 {
339 .name = "L8L"
340 /* Only has hotkeys, apparently */
341 },
342 {
343 .name = "M1A",
344 .mled_set = "MLED",
345 .brn_up = "\\_SB.PCI0.PX40.EC0.Q0E",
346 .brn_dn = "\\_SB.PCI0.PX40.EC0.Q0F",
347 .lcd_get = "\\PNOF",
348 .lcd_set = "\\_SB.PCI0.PX40.EC0.Q10"
349 },
350 {
351 .name = "M2E",
352 .mled_set = "MLED",
353 .wled_set = "WLED",
354 .brn_get = "GPLV",
355 .brn_set = "SPLV",
356 .lcd_get = "\\GP06",
357 .lcd_set = "\\Q10"
358 },
359 {
360 .name = "M6N",
361 .mled_set = "MLED",
362 .wled_set = "WLED",
363 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
364 .lcd_get = "\\_SB.BKLT",
365 .brn_set = "SPLV",
366 .brn_get = "GPLV",
367 .disp_set = "SDSP",
368 .disp_get = "\\SSTE"
369 },
370 {
371 .name = "M6R",
372 .mled_set = "MLED",
373 .wled_set = "WLED",
374 .brn_get = "GPLV",
375 .brn_set = "SPLV",
376 .lcd_get = "\\_SB.PCI0.SBSM.SEO4",
377 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
378 .disp_get = "\\SSTE",
379 .disp_set = "SDSP"
380 },
381 {
382 .name = "S1x",
383 .mled_set = "MLED",
384 .wled_set = "WLED",
385 .lcd_get = "\\PNOF",
386 .lcd_set = "\\_SB.PCI0.PX40.Q10",
387 .brn_get = "GPLV",
388 .brn_set = "SPLV"
389 },
390 {
391 .name = "S2x",
392 .mled_set = "MLED",
393 .lcd_get = "\\BKLI",
394 .lcd_set = "\\_SB.PCI0.ISA.EC0._Q10",
395 .brn_up = "\\_SB.PCI0.ISA.EC0._Q0B",
396 .brn_dn = "\\_SB.PCI0.ISA.EC0._Q0A"
397 },
398 {
399 .name = "V6V",
400 .bled_set = "BLED",
401 .tled_set = "TLED",
402 .wled_set = "WLED",
403 .lcd_get = "\\BKLT",
404 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
405 .brn_get = "GPLV",
406 .brn_set = "SPLV",
407 .disp_get = "\\_SB.PCI0.P0P1.VGA.GETD",
408 .disp_set = "SDSP"
409 },
410 {
411 .name = "W5A",
412 .bled_set = "BLED",
413 .lcd_get = "\\BKLT",
414 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10",
415 .brn_get = "GPLV",
416 .brn_set = "SPLV",
417 .disp_get = "\\_SB.PCI0.P0P2.VGA.GETD",
418 .disp_set = "SDSP"
419 },
420
421 { .name = NULL }
422 };
423
424 /*
425 * Samsung P30/P35 laptops have an Asus ATK0100 gadget interface,
426 * but they can't be probed quite the same way as Asus laptops.
427 */
428 static struct acpi_asus_model acpi_samsung_models[] = {
429 {
430 .name = "P30",
431 .wled_set = "WLED",
432 .brn_up = "\\_SB.PCI0.LPCB.EC0._Q68",
433 .brn_dn = "\\_SB.PCI0.LPCB.EC0._Q69",
434 .lcd_get = "\\BKLT",
435 .lcd_set = "\\_SB.PCI0.LPCB.EC0._Q0E"
436 },
437
438 { .name = NULL }
439 };
440
441 static void acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context);
442
443 /*
444 * EeePC have an Asus ASUS010 gadget interface,
445 * but they can't be probed quite the same way as Asus laptops.
446 */
447 static struct acpi_asus_model acpi_eeepc_models[] = {
448 {
449 .name = "EEE",
450 .brn_get = "\\_SB.ATKD.PBLG",
451 .brn_set = "\\_SB.ATKD.PBLS",
452 .cam_get = "\\_SB.ATKD.CAMG",
453 .cam_set = "\\_SB.ATKD.CAMS",
454 .crd_set = "\\_SB.ATKD.CRDS",
455 .crd_get = "\\_SB.ATKD.CRDG",
456 .wlan_get = "\\_SB.ATKD.WLDG",
457 .wlan_set = "\\_SB.ATKD.WLDS",
458 .n_func = acpi_asus_eeepc_notify
459 },
460
461 { .name = NULL }
462 };
463
464 static struct {
465 char *name;
466 char *description;
467 int method;
468 int flag_anybody;
469 } acpi_asus_sysctls[] = {
470 {
471 .name = "lcd_backlight",
472 .method = ACPI_ASUS_METHOD_LCD,
473 .description = "state of the lcd backlight",
474 .flag_anybody = 1
475 },
476 {
477 .name = "lcd_brightness",
478 .method = ACPI_ASUS_METHOD_BRN,
479 .description = "brightness of the lcd panel",
480 .flag_anybody = 1
481 },
482 {
483 .name = "video_output",
484 .method = ACPI_ASUS_METHOD_DISP,
485 .description = "display output state",
486 },
487 {
488 .name = "camera",
489 .method = ACPI_ASUS_METHOD_CAMERA,
490 .description = "internal camera state",
491 },
492 {
493 .name = "cardreader",
494 .method = ACPI_ASUS_METHOD_CARDRD,
495 .description = "internal card reader state",
496 },
497 {
498 .name = "wlan",
499 .method = ACPI_ASUS_METHOD_WLAN,
500 .description = "wireless lan state",
501 },
502
503 { .name = NULL }
504 };
505
506 ACPI_SERIAL_DECL(asus, "ACPI ASUS extras");
507
508 /* Function prototypes */
509 static int acpi_asus_probe(device_t dev);
510 static int acpi_asus_attach(device_t dev);
511 static int acpi_asus_detach(device_t dev);
512
513 static void acpi_asus_led(struct acpi_asus_led *led, int state);
514 static void acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused);
515
516 static int acpi_asus_sysctl(SYSCTL_HANDLER_ARGS);
517 static int acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method);
518 static int acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method);
519 static int acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int val);
520
521 static void acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context);
522
523 static device_method_t acpi_asus_methods[] = {
524 DEVMETHOD(device_probe, acpi_asus_probe),
525 DEVMETHOD(device_attach, acpi_asus_attach),
526 DEVMETHOD(device_detach, acpi_asus_detach),
527
528 { 0, 0 }
529 };
530
531 static driver_t acpi_asus_driver = {
532 "acpi_asus",
533 acpi_asus_methods,
534 sizeof(struct acpi_asus_softc)
535 };
536
537 static devclass_t acpi_asus_devclass;
538
539 DRIVER_MODULE(acpi_asus, acpi, acpi_asus_driver, acpi_asus_devclass, 0, 0);
540 MODULE_DEPEND(acpi_asus, acpi, 1, 1, 1);
541
542 static int
acpi_asus_probe(device_t dev)543 acpi_asus_probe(device_t dev)
544 {
545 struct acpi_asus_model *model;
546 struct acpi_asus_softc *sc;
547 struct sbuf *sb;
548 ACPI_BUFFER Buf;
549 ACPI_OBJECT Arg, *Obj;
550 ACPI_OBJECT_LIST Args;
551 static char *asus_ids[] = { "ATK0100", "ASUS010", NULL };
552 char *rstr;
553
554 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
555
556 if (acpi_disabled("asus"))
557 return (ENXIO);
558 rstr = ACPI_ID_PROBE(device_get_parent(dev), dev, asus_ids);
559 if (rstr == NULL) {
560 return (ENXIO);
561 }
562
563 sc = device_get_softc(dev);
564 sc->dev = dev;
565 sc->handle = acpi_get_handle(dev);
566
567 Arg.Type = ACPI_TYPE_INTEGER;
568 Arg.Integer.Value = 0;
569
570 Args.Count = 1;
571 Args.Pointer = &Arg;
572
573 Buf.Pointer = NULL;
574 Buf.Length = ACPI_ALLOCATE_BUFFER;
575
576 AcpiEvaluateObject(sc->handle, "INIT", &Args, &Buf);
577 Obj = Buf.Pointer;
578
579 /*
580 * The Samsung P30 returns a null-pointer from INIT, we
581 * can identify it from the 'ODEM' string in the DSDT.
582 */
583 if (Obj->String.Pointer == NULL) {
584 ACPI_STATUS status;
585 ACPI_TABLE_HEADER th;
586
587 status = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &th);
588 if (ACPI_FAILURE(status)) {
589 device_printf(dev, "Unsupported (Samsung?) laptop\n");
590 AcpiOsFree(Buf.Pointer);
591 return (ENXIO);
592 }
593
594 if (strncmp("ODEM", th.OemTableId, 4) == 0) {
595 sc->model = &acpi_samsung_models[0];
596 device_set_desc(dev, "Samsung P30 Laptop Extras");
597 AcpiOsFree(Buf.Pointer);
598 return (0);
599 }
600
601 /* EeePC */
602 if (strncmp("ASUS010", rstr, 7) == 0) {
603 sc->model = &acpi_eeepc_models[0];
604 device_set_desc(dev, "ASUS EeePC");
605 AcpiOsFree(Buf.Pointer);
606 return (0);
607 }
608 }
609
610 sb = sbuf_new_auto();
611 if (sb == NULL)
612 return (ENOMEM);
613
614 /*
615 * Asus laptops are simply identified by name, easy!
616 */
617 for (model = acpi_asus_models; model->name != NULL; model++) {
618 if (strncmp(Obj->String.Pointer, model->name, 3) == 0) {
619
620 good:
621 sbuf_printf(sb, "Asus %s Laptop Extras",
622 Obj->String.Pointer);
623 sbuf_finish(sb);
624
625 sc->model = model;
626 device_set_desc_copy(dev, sbuf_data(sb));
627
628 sbuf_delete(sb);
629 AcpiOsFree(Buf.Pointer);
630 return (0);
631 }
632
633 /*
634 * Some models look exactly the same as other models, but have
635 * their own ids. If we spot these, set them up with the same
636 * details as the models they're like, possibly dealing with
637 * small differences.
638 *
639 * XXX: there must be a prettier way to do this!
640 */
641 else if (strncmp(model->name, "xxN", 3) == 0 &&
642 (strncmp(Obj->String.Pointer, "M3N", 3) == 0 ||
643 strncmp(Obj->String.Pointer, "S1N", 3) == 0))
644 goto good;
645 else if (strncmp(model->name, "A1x", 3) == 0 &&
646 strncmp(Obj->String.Pointer, "A1", 2) == 0)
647 goto good;
648 else if (strncmp(model->name, "A2x", 3) == 0 &&
649 strncmp(Obj->String.Pointer, "A2", 2) == 0)
650 goto good;
651 else if (strncmp(model->name, "A3F", 3) == 0 &&
652 strncmp(Obj->String.Pointer, "A6F", 3) == 0)
653 goto good;
654 else if (strncmp(model->name, "D1x", 3) == 0 &&
655 strncmp(Obj->String.Pointer, "D1", 2) == 0)
656 goto good;
657 else if (strncmp(model->name, "L3H", 3) == 0 &&
658 strncmp(Obj->String.Pointer, "L2E", 3) == 0)
659 goto good;
660 else if (strncmp(model->name, "L5x", 3) == 0 &&
661 strncmp(Obj->String.Pointer, "L5", 2) == 0)
662 goto good;
663 else if (strncmp(model->name, "M2E", 3) == 0 &&
664 (strncmp(Obj->String.Pointer, "M2", 2) == 0 ||
665 strncmp(Obj->String.Pointer, "L4E", 3) == 0))
666 goto good;
667 else if (strncmp(model->name, "S1x", 3) == 0 &&
668 (strncmp(Obj->String.Pointer, "L8", 2) == 0 ||
669 strncmp(Obj->String.Pointer, "S1", 2) == 0))
670 goto good;
671 else if (strncmp(model->name, "S2x", 3) == 0 &&
672 (strncmp(Obj->String.Pointer, "J1", 2) == 0 ||
673 strncmp(Obj->String.Pointer, "S2", 2) == 0))
674 goto good;
675
676 /* L2B is like L3C but has no lcd_get method */
677 else if (strncmp(model->name, "L3C", 3) == 0 &&
678 strncmp(Obj->String.Pointer, "L2B", 3) == 0) {
679 model->lcd_get = NULL;
680 goto good;
681 }
682
683 /* A3G is like M6R but with a different lcd_get method */
684 else if (strncmp(model->name, "M6R", 3) == 0 &&
685 strncmp(Obj->String.Pointer, "A3G", 3) == 0) {
686 model->lcd_get = "\\BLFG";
687 goto good;
688 }
689
690 /* M2N and W1N are like xxN with added WLED */
691 else if (strncmp(model->name, "xxN", 3) == 0 &&
692 (strncmp(Obj->String.Pointer, "M2N", 3) == 0 ||
693 strncmp(Obj->String.Pointer, "W1N", 3) == 0)) {
694 model->wled_set = "WLED";
695 goto good;
696 }
697
698 /* M5N and S5N are like xxN without MLED */
699 else if (strncmp(model->name, "xxN", 3) == 0 &&
700 (strncmp(Obj->String.Pointer, "M5N", 3) == 0 ||
701 strncmp(Obj->String.Pointer, "S5N", 3) == 0)) {
702 model->mled_set = NULL;
703 goto good;
704 }
705 }
706
707 sbuf_printf(sb, "Unsupported Asus laptop: %s\n", Obj->String.Pointer);
708 sbuf_finish(sb);
709
710 device_printf(dev, "%s", sbuf_data(sb));
711
712 sbuf_delete(sb);
713 AcpiOsFree(Buf.Pointer);
714
715 return (ENXIO);
716 }
717
718 static int
acpi_asus_attach(device_t dev)719 acpi_asus_attach(device_t dev)
720 {
721 struct acpi_asus_softc *sc;
722 struct acpi_softc *acpi_sc;
723
724 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
725
726 sc = device_get_softc(dev);
727 acpi_sc = acpi_device_get_parent_softc(dev);
728
729 /* Build sysctl tree */
730 sysctl_ctx_init(&sc->sysctl_ctx);
731 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
732 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
733 OID_AUTO, "asus", CTLFLAG_RD, 0, "");
734
735 /* Hook up nodes */
736 for (int i = 0; acpi_asus_sysctls[i].name != NULL; i++) {
737 if (!acpi_asus_sysctl_init(sc, acpi_asus_sysctls[i].method))
738 continue;
739
740 if (acpi_asus_sysctls[i].flag_anybody != 0) {
741 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
742 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
743 acpi_asus_sysctls[i].name,
744 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY,
745 sc, i, acpi_asus_sysctl, "I",
746 acpi_asus_sysctls[i].description);
747 } else {
748 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
749 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
750 acpi_asus_sysctls[i].name,
751 CTLTYPE_INT | CTLFLAG_RW,
752 sc, i, acpi_asus_sysctl, "I",
753 acpi_asus_sysctls[i].description);
754 }
755 }
756
757 /* Attach leds */
758 if (sc->model->bled_set) {
759 sc->s_bled.busy = 0;
760 sc->s_bled.sc = sc;
761 sc->s_bled.type = ACPI_ASUS_LED_BLED;
762 sc->s_bled.cdev =
763 led_create_state((led_t *)acpi_asus_led, &sc->s_bled,
764 "bled", 1);
765 }
766
767 if (sc->model->dled_set) {
768 sc->s_dled.busy = 0;
769 sc->s_dled.sc = sc;
770 sc->s_dled.type = ACPI_ASUS_LED_DLED;
771 sc->s_dled.cdev =
772 led_create((led_t *)acpi_asus_led, &sc->s_dled, "dled");
773 }
774
775 if (sc->model->gled_set) {
776 sc->s_gled.busy = 0;
777 sc->s_gled.sc = sc;
778 sc->s_gled.type = ACPI_ASUS_LED_GLED;
779 sc->s_gled.cdev =
780 led_create((led_t *)acpi_asus_led, &sc->s_gled, "gled");
781 }
782
783 if (sc->model->mled_set) {
784 sc->s_mled.busy = 0;
785 sc->s_mled.sc = sc;
786 sc->s_mled.type = ACPI_ASUS_LED_MLED;
787 sc->s_mled.cdev =
788 led_create((led_t *)acpi_asus_led, &sc->s_mled, "mled");
789 }
790
791 if (sc->model->tled_set) {
792 sc->s_tled.busy = 0;
793 sc->s_tled.sc = sc;
794 sc->s_tled.type = ACPI_ASUS_LED_TLED;
795 sc->s_tled.cdev =
796 led_create_state((led_t *)acpi_asus_led, &sc->s_tled,
797 "tled", 1);
798 }
799
800 if (sc->model->wled_set) {
801 sc->s_wled.busy = 0;
802 sc->s_wled.sc = sc;
803 sc->s_wled.type = ACPI_ASUS_LED_WLED;
804 sc->s_wled.cdev =
805 led_create_state((led_t *)acpi_asus_led, &sc->s_wled,
806 "wled", 1);
807 }
808
809 /* Activate hotkeys */
810 AcpiEvaluateObject(sc->handle, "BSTS", NULL, NULL);
811
812 /* Handle notifies */
813 if (sc->model->n_func == NULL)
814 sc->model->n_func = acpi_asus_notify;
815
816 AcpiInstallNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY,
817 sc->model->n_func, dev);
818
819 /* Find and hook the 'LCDD' object */
820 if (sc->model->lcdd != NULL && sc->model->lcdd_n_func != NULL) {
821 ACPI_STATUS res;
822
823 sc->lcdd_handle = NULL;
824 res = AcpiGetHandle((sc->model->lcdd[0] == '\\' ?
825 NULL : sc->handle), sc->model->lcdd, &(sc->lcdd_handle));
826 if (ACPI_SUCCESS(res)) {
827 AcpiInstallNotifyHandler((sc->lcdd_handle),
828 ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func, dev);
829 } else {
830 printf("%s: unable to find LCD device '%s'\n",
831 __func__, sc->model->lcdd);
832 }
833 }
834
835 return (0);
836 }
837
838 static int
acpi_asus_detach(device_t dev)839 acpi_asus_detach(device_t dev)
840 {
841 struct acpi_asus_softc *sc;
842
843 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
844
845 sc = device_get_softc(dev);
846
847 /* Turn the lights off */
848 if (sc->model->bled_set)
849 led_destroy(sc->s_bled.cdev);
850
851 if (sc->model->dled_set)
852 led_destroy(sc->s_dled.cdev);
853
854 if (sc->model->gled_set)
855 led_destroy(sc->s_gled.cdev);
856
857 if (sc->model->mled_set)
858 led_destroy(sc->s_mled.cdev);
859
860 if (sc->model->tled_set)
861 led_destroy(sc->s_tled.cdev);
862
863 if (sc->model->wled_set)
864 led_destroy(sc->s_wled.cdev);
865
866 /* Remove notify handler */
867 AcpiRemoveNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY,
868 acpi_asus_notify);
869
870 if (sc->lcdd_handle) {
871 KASSERT(sc->model->lcdd_n_func != NULL,
872 ("model->lcdd_n_func is NULL, but lcdd_handle is non-zero"));
873 AcpiRemoveNotifyHandler((sc->lcdd_handle),
874 ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func);
875 }
876
877 /* Free sysctl tree */
878 sysctl_ctx_free(&sc->sysctl_ctx);
879
880 return (0);
881 }
882
883 static void
acpi_asus_led_task(struct acpi_asus_led * led,int pending __unused)884 acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused)
885 {
886 struct acpi_asus_softc *sc;
887 char *method;
888 int state;
889
890 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
891
892 sc = led->sc;
893
894 switch (led->type) {
895 case ACPI_ASUS_LED_BLED:
896 method = sc->model->bled_set;
897 state = led->state;
898 break;
899 case ACPI_ASUS_LED_DLED:
900 method = sc->model->dled_set;
901 state = led->state;
902 break;
903 case ACPI_ASUS_LED_GLED:
904 method = sc->model->gled_set;
905 state = led->state + 1; /* 1: off, 2: on */
906 break;
907 case ACPI_ASUS_LED_MLED:
908 method = sc->model->mled_set;
909 state = !led->state; /* inverted */
910 break;
911 case ACPI_ASUS_LED_TLED:
912 method = sc->model->tled_set;
913 state = led->state;
914 break;
915 case ACPI_ASUS_LED_WLED:
916 method = sc->model->wled_set;
917 state = led->state;
918 break;
919 default:
920 printf("acpi_asus_led: invalid LED type %d\n",
921 (int)led->type);
922 return;
923 }
924
925 acpi_SetInteger(sc->handle, method, state);
926 led->busy = 0;
927 }
928
929 static void
acpi_asus_led(struct acpi_asus_led * led,int state)930 acpi_asus_led(struct acpi_asus_led *led, int state)
931 {
932
933 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
934
935 if (led->busy)
936 return;
937
938 led->busy = 1;
939 led->state = state;
940
941 AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)acpi_asus_led_task, led);
942 }
943
944 static int
acpi_asus_sysctl(SYSCTL_HANDLER_ARGS)945 acpi_asus_sysctl(SYSCTL_HANDLER_ARGS)
946 {
947 struct acpi_asus_softc *sc;
948 int arg;
949 int error = 0;
950 int function;
951 int method;
952
953 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
954
955 sc = (struct acpi_asus_softc *)oidp->oid_arg1;
956 function = oidp->oid_arg2;
957 method = acpi_asus_sysctls[function].method;
958
959 ACPI_SERIAL_BEGIN(asus);
960 arg = acpi_asus_sysctl_get(sc, method);
961 error = sysctl_handle_int(oidp, &arg, 0, req);
962
963 /* Sanity check */
964 if (error != 0 || req->newptr == NULL)
965 goto out;
966
967 /* Update */
968 error = acpi_asus_sysctl_set(sc, method, arg);
969
970 out:
971 ACPI_SERIAL_END(asus);
972 return (error);
973 }
974
975 static int
acpi_asus_sysctl_get(struct acpi_asus_softc * sc,int method)976 acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method)
977 {
978 int val = 0;
979
980 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
981 ACPI_SERIAL_ASSERT(asus);
982
983 switch (method) {
984 case ACPI_ASUS_METHOD_BRN:
985 val = sc->s_brn;
986 break;
987 case ACPI_ASUS_METHOD_DISP:
988 val = sc->s_disp;
989 break;
990 case ACPI_ASUS_METHOD_LCD:
991 val = sc->s_lcd;
992 break;
993 case ACPI_ASUS_METHOD_CAMERA:
994 val = sc->s_cam;
995 break;
996 case ACPI_ASUS_METHOD_CARDRD:
997 val = sc->s_crd;
998 break;
999 case ACPI_ASUS_METHOD_WLAN:
1000 val = sc->s_wlan;
1001 break;
1002 }
1003
1004 return (val);
1005 }
1006
1007 static int
acpi_asus_sysctl_set(struct acpi_asus_softc * sc,int method,int arg)1008 acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int arg)
1009 {
1010 ACPI_STATUS status = AE_OK;
1011 ACPI_OBJECT_LIST acpiargs;
1012 ACPI_OBJECT acpiarg[1];
1013
1014 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1015 ACPI_SERIAL_ASSERT(asus);
1016
1017 acpiargs.Count = 1;
1018 acpiargs.Pointer = acpiarg;
1019 acpiarg[0].Type = ACPI_TYPE_INTEGER;
1020 acpiarg[0].Integer.Value = arg;
1021
1022 switch (method) {
1023 case ACPI_ASUS_METHOD_BRN:
1024 if (arg < 0 || arg > 15)
1025 return (EINVAL);
1026
1027 if (sc->model->brn_set)
1028 status = acpi_SetInteger(sc->handle,
1029 sc->model->brn_set, arg);
1030 else {
1031 while (arg != 0) {
1032 status = AcpiEvaluateObject(sc->handle,
1033 (arg > 0) ? sc->model->brn_up :
1034 sc->model->brn_dn, NULL, NULL);
1035 (arg > 0) ? arg-- : arg++;
1036 }
1037 }
1038
1039 if (ACPI_SUCCESS(status))
1040 sc->s_brn = arg;
1041
1042 break;
1043 case ACPI_ASUS_METHOD_DISP:
1044 if (arg < 0 || arg > 7)
1045 return (EINVAL);
1046
1047 status = acpi_SetInteger(sc->handle,
1048 sc->model->disp_set, arg);
1049
1050 if (ACPI_SUCCESS(status))
1051 sc->s_disp = arg;
1052
1053 break;
1054 case ACPI_ASUS_METHOD_LCD:
1055 if (arg < 0 || arg > 1)
1056 return (EINVAL);
1057
1058 if (strncmp(sc->model->name, "L3H", 3) != 0)
1059 status = AcpiEvaluateObject(sc->handle,
1060 sc->model->lcd_set, NULL, NULL);
1061 else
1062 status = acpi_SetInteger(sc->handle,
1063 sc->model->lcd_set, 0x7);
1064
1065 if (ACPI_SUCCESS(status))
1066 sc->s_lcd = arg;
1067
1068 break;
1069 case ACPI_ASUS_METHOD_CAMERA:
1070 if (arg < 0 || arg > 1)
1071 return (EINVAL);
1072
1073 status = AcpiEvaluateObject(sc->handle,
1074 sc->model->cam_set, &acpiargs, NULL);
1075
1076 if (ACPI_SUCCESS(status))
1077 sc->s_cam = arg;
1078 break;
1079 case ACPI_ASUS_METHOD_CARDRD:
1080 if (arg < 0 || arg > 1)
1081 return (EINVAL);
1082
1083 status = AcpiEvaluateObject(sc->handle,
1084 sc->model->crd_set, &acpiargs, NULL);
1085
1086 if (ACPI_SUCCESS(status))
1087 sc->s_crd = arg;
1088 break;
1089 case ACPI_ASUS_METHOD_WLAN:
1090 if (arg < 0 || arg > 1)
1091 return (EINVAL);
1092
1093 status = AcpiEvaluateObject(sc->handle,
1094 sc->model->wlan_set, &acpiargs, NULL);
1095
1096 if (ACPI_SUCCESS(status))
1097 sc->s_wlan = arg;
1098 break;
1099 }
1100
1101 return (0);
1102 }
1103
1104 static int
acpi_asus_sysctl_init(struct acpi_asus_softc * sc,int method)1105 acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method)
1106 {
1107 ACPI_STATUS status;
1108
1109 switch (method) {
1110 case ACPI_ASUS_METHOD_BRN:
1111 if (sc->model->brn_get) {
1112 /* GPLV/SPLV models */
1113 status = acpi_GetInteger(sc->handle,
1114 sc->model->brn_get, &sc->s_brn);
1115 if (ACPI_SUCCESS(status))
1116 return (TRUE);
1117 } else if (sc->model->brn_up) {
1118 /* Relative models */
1119 status = AcpiEvaluateObject(sc->handle,
1120 sc->model->brn_up, NULL, NULL);
1121 if (ACPI_FAILURE(status))
1122 return (FALSE);
1123
1124 status = AcpiEvaluateObject(sc->handle,
1125 sc->model->brn_dn, NULL, NULL);
1126 if (ACPI_FAILURE(status))
1127 return (FALSE);
1128
1129 return (TRUE);
1130 }
1131 return (FALSE);
1132 case ACPI_ASUS_METHOD_DISP:
1133 if (sc->model->disp_get) {
1134 status = acpi_GetInteger(sc->handle,
1135 sc->model->disp_get, &sc->s_disp);
1136 if (ACPI_SUCCESS(status))
1137 return (TRUE);
1138 }
1139 return (FALSE);
1140 case ACPI_ASUS_METHOD_LCD:
1141 if (sc->model->lcd_get) {
1142 if (strncmp(sc->model->name, "L3H", 3) == 0) {
1143 ACPI_BUFFER Buf;
1144 ACPI_OBJECT Arg[2], Obj;
1145 ACPI_OBJECT_LIST Args;
1146
1147 /* L3H is a bit special */
1148 Arg[0].Type = ACPI_TYPE_INTEGER;
1149 Arg[0].Integer.Value = 0x02;
1150 Arg[1].Type = ACPI_TYPE_INTEGER;
1151 Arg[1].Integer.Value = 0x03;
1152
1153 Args.Count = 2;
1154 Args.Pointer = Arg;
1155
1156 Buf.Length = sizeof(Obj);
1157 Buf.Pointer = &Obj;
1158
1159 status = AcpiEvaluateObject(sc->handle,
1160 sc->model->lcd_get, &Args, &Buf);
1161 if (ACPI_SUCCESS(status) &&
1162 Obj.Type == ACPI_TYPE_INTEGER) {
1163 sc->s_lcd = Obj.Integer.Value >> 8;
1164 return (TRUE);
1165 }
1166 } else {
1167 status = acpi_GetInteger(sc->handle,
1168 sc->model->lcd_get, &sc->s_lcd);
1169 if (ACPI_SUCCESS(status))
1170 return (TRUE);
1171 }
1172 }
1173 return (FALSE);
1174 case ACPI_ASUS_METHOD_CAMERA:
1175 if (sc->model->cam_get) {
1176 status = acpi_GetInteger(sc->handle,
1177 sc->model->cam_get, &sc->s_cam);
1178 if (ACPI_SUCCESS(status))
1179 return (TRUE);
1180 }
1181 return (FALSE);
1182 case ACPI_ASUS_METHOD_CARDRD:
1183 if (sc->model->crd_get) {
1184 status = acpi_GetInteger(sc->handle,
1185 sc->model->crd_get, &sc->s_crd);
1186 if (ACPI_SUCCESS(status))
1187 return (TRUE);
1188 }
1189 return (FALSE);
1190 case ACPI_ASUS_METHOD_WLAN:
1191 if (sc->model->wlan_get) {
1192 status = acpi_GetInteger(sc->handle,
1193 sc->model->wlan_get, &sc->s_wlan);
1194 if (ACPI_SUCCESS(status))
1195 return (TRUE);
1196 }
1197 return (FALSE);
1198 }
1199 return (FALSE);
1200 }
1201
1202 static void
acpi_asus_notify(ACPI_HANDLE h,UINT32 notify,void * context)1203 acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1204 {
1205 struct acpi_asus_softc *sc;
1206 struct acpi_softc *acpi_sc;
1207
1208 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1209
1210 sc = device_get_softc((device_t)context);
1211 acpi_sc = acpi_device_get_parent_softc(sc->dev);
1212
1213 ACPI_SERIAL_BEGIN(asus);
1214 if ((notify & ~0x10) <= 15) {
1215 sc->s_brn = notify & ~0x10;
1216 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1217 } else if ((notify & ~0x20) <= 15) {
1218 sc->s_brn = notify & ~0x20;
1219 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1220 } else if (notify == 0x33) {
1221 sc->s_lcd = 1;
1222 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned on\n");
1223 } else if (notify == 0x34) {
1224 sc->s_lcd = 0;
1225 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned off\n");
1226 } else if (notify == 0x86) {
1227 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1);
1228 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1229 } else if (notify == 0x87) {
1230 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1);
1231 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1232 } else {
1233 /* Notify devd(8) */
1234 acpi_UserNotify("ASUS", h, notify);
1235 }
1236 ACPI_SERIAL_END(asus);
1237 }
1238
1239 static void
acpi_asus_lcdd_notify(ACPI_HANDLE h,UINT32 notify,void * context)1240 acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1241 {
1242 struct acpi_asus_softc *sc;
1243 struct acpi_softc *acpi_sc;
1244
1245 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1246
1247 sc = device_get_softc((device_t)context);
1248 acpi_sc = acpi_device_get_parent_softc(sc->dev);
1249
1250 ACPI_SERIAL_BEGIN(asus);
1251 switch (notify) {
1252 case 0x87:
1253 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1);
1254 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1255 break;
1256 case 0x86:
1257 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1);
1258 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1259 break;
1260 }
1261 ACPI_SERIAL_END(asus);
1262 }
1263
1264 static void
acpi_asus_eeepc_notify(ACPI_HANDLE h,UINT32 notify,void * context)1265 acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1266 {
1267 struct acpi_asus_softc *sc;
1268 struct acpi_softc *acpi_sc;
1269
1270 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1271
1272 sc = device_get_softc((device_t)context);
1273 acpi_sc = acpi_device_get_parent_softc(sc->dev);
1274
1275 ACPI_SERIAL_BEGIN(asus);
1276 if ((notify & ~0x20) <= 15) {
1277 sc->s_brn = notify & ~0x20;
1278 ACPI_VPRINT(sc->dev, acpi_sc,
1279 "Brightness increased/decreased\n");
1280 } else {
1281 /* Notify devd(8) */
1282 acpi_UserNotify("ASUS-Eee", h, notify);
1283 }
1284 ACPI_SERIAL_END(asus);
1285 }
1286