Loading...
1/*
2 * Acer WMI Laptop Extras
3 *
4 * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
5 *
6 * Based on acer_acpi:
7 * Copyright (C) 2005-2007 E.M. Smith
8 * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 */
24
25#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
26
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/init.h>
30#include <linux/types.h>
31#include <linux/dmi.h>
32#include <linux/fb.h>
33#include <linux/backlight.h>
34#include <linux/leds.h>
35#include <linux/platform_device.h>
36#include <linux/acpi.h>
37#include <linux/i8042.h>
38#include <linux/rfkill.h>
39#include <linux/workqueue.h>
40#include <linux/debugfs.h>
41#include <linux/slab.h>
42#include <linux/input.h>
43#include <linux/input/sparse-keymap.h>
44#include <acpi/video.h>
45
46MODULE_AUTHOR("Carlos Corbacho");
47MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
48MODULE_LICENSE("GPL");
49
50/*
51 * Magic Number
52 * Meaning is unknown - this number is required for writing to ACPI for AMW0
53 * (it's also used in acerhk when directly accessing the BIOS)
54 */
55#define ACER_AMW0_WRITE 0x9610
56
57/*
58 * Bit masks for the AMW0 interface
59 */
60#define ACER_AMW0_WIRELESS_MASK 0x35
61#define ACER_AMW0_BLUETOOTH_MASK 0x34
62#define ACER_AMW0_MAILLED_MASK 0x31
63
64/*
65 * Method IDs for WMID interface
66 */
67#define ACER_WMID_GET_WIRELESS_METHODID 1
68#define ACER_WMID_GET_BLUETOOTH_METHODID 2
69#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
70#define ACER_WMID_SET_WIRELESS_METHODID 4
71#define ACER_WMID_SET_BLUETOOTH_METHODID 5
72#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
73#define ACER_WMID_GET_THREEG_METHODID 10
74#define ACER_WMID_SET_THREEG_METHODID 11
75
76/*
77 * Acer ACPI method GUIDs
78 */
79#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
80#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
81#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
82#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
83#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
84
85/*
86 * Acer ACPI event GUIDs
87 */
88#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
89
90MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
91MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
92MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
93
94enum acer_wmi_event_ids {
95 WMID_HOTKEY_EVENT = 0x1,
96 WMID_ACCEL_EVENT = 0x5,
97};
98
99static const struct key_entry acer_wmi_keymap[] __initconst = {
100 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
101 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
102 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
103 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
104 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
105 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
106 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
107 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
108 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
109 {KE_IGNORE, 0x41, {KEY_MUTE} },
110 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
111 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
112 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
113 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
114 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
115 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
116 {KE_IGNORE, 0x45, {KEY_STOP} },
117 {KE_IGNORE, 0x50, {KEY_STOP} },
118 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
119 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
120 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
121 {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
122 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
123 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
124 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
125 {KE_IGNORE, 0x81, {KEY_SLEEP} },
126 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
127 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
128 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
129 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
130 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
131 {KE_END, 0}
132};
133
134static struct input_dev *acer_wmi_input_dev;
135static struct input_dev *acer_wmi_accel_dev;
136
137struct event_return_value {
138 u8 function;
139 u8 key_num;
140 u16 device_state;
141 u32 reserved;
142} __attribute__((packed));
143
144/*
145 * GUID3 Get Device Status device flags
146 */
147#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
148#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
149#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
150#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
151#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
152
153struct lm_input_params {
154 u8 function_num; /* Function Number */
155 u16 commun_devices; /* Communication type devices default status */
156 u16 devices; /* Other type devices default status */
157 u8 lm_status; /* Launch Manager Status */
158 u16 reserved;
159} __attribute__((packed));
160
161struct lm_return_value {
162 u8 error_code; /* Error Code */
163 u8 ec_return_value; /* EC Return Value */
164 u16 reserved;
165} __attribute__((packed));
166
167struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
168 u8 function_num; /* Function Number */
169 u8 hotkey_number; /* Hotkey Number */
170 u16 devices; /* Set Device */
171 u8 volume_value; /* Volume Value */
172} __attribute__((packed));
173
174struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
175 u8 function_num; /* Function Number */
176 u8 hotkey_number; /* Hotkey Number */
177 u16 devices; /* Get Device */
178} __attribute__((packed));
179
180struct wmid3_gds_return_value { /* Get Device Status return value*/
181 u8 error_code; /* Error Code */
182 u8 ec_return_value; /* EC Return Value */
183 u16 devices; /* Current Device Status */
184 u32 reserved;
185} __attribute__((packed));
186
187struct hotkey_function_type_aa {
188 u8 type;
189 u8 length;
190 u16 handle;
191 u16 commun_func_bitmap;
192 u16 application_func_bitmap;
193 u16 media_func_bitmap;
194 u16 display_func_bitmap;
195 u16 others_func_bitmap;
196 u8 commun_fn_key_number;
197} __attribute__((packed));
198
199/*
200 * Interface capability flags
201 */
202#define ACER_CAP_MAILLED (1<<0)
203#define ACER_CAP_WIRELESS (1<<1)
204#define ACER_CAP_BLUETOOTH (1<<2)
205#define ACER_CAP_BRIGHTNESS (1<<3)
206#define ACER_CAP_THREEG (1<<4)
207#define ACER_CAP_ACCEL (1<<5)
208#define ACER_CAP_ANY (0xFFFFFFFF)
209
210/*
211 * Interface type flags
212 */
213enum interface_flags {
214 ACER_AMW0,
215 ACER_AMW0_V2,
216 ACER_WMID,
217 ACER_WMID_v2,
218};
219
220#define ACER_DEFAULT_WIRELESS 0
221#define ACER_DEFAULT_BLUETOOTH 0
222#define ACER_DEFAULT_MAILLED 0
223#define ACER_DEFAULT_THREEG 0
224
225static int max_brightness = 0xF;
226
227static int mailled = -1;
228static int brightness = -1;
229static int threeg = -1;
230static int force_series;
231static bool ec_raw_mode;
232static bool has_type_aa;
233static u16 commun_func_bitmap;
234static u8 commun_fn_key_number;
235
236module_param(mailled, int, 0444);
237module_param(brightness, int, 0444);
238module_param(threeg, int, 0444);
239module_param(force_series, int, 0444);
240module_param(ec_raw_mode, bool, 0444);
241MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
242MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
243MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
244MODULE_PARM_DESC(force_series, "Force a different laptop series");
245MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
246
247struct acer_data {
248 int mailled;
249 int threeg;
250 int brightness;
251};
252
253struct acer_debug {
254 struct dentry *root;
255 struct dentry *devices;
256 u32 wmid_devices;
257};
258
259static struct rfkill *wireless_rfkill;
260static struct rfkill *bluetooth_rfkill;
261static struct rfkill *threeg_rfkill;
262static bool rfkill_inited;
263
264/* Each low-level interface must define at least some of the following */
265struct wmi_interface {
266 /* The WMI device type */
267 u32 type;
268
269 /* The capabilities this interface provides */
270 u32 capability;
271
272 /* Private data for the current interface */
273 struct acer_data data;
274
275 /* debugfs entries associated with this interface */
276 struct acer_debug debug;
277};
278
279/* The static interface pointer, points to the currently detected interface */
280static struct wmi_interface *interface;
281
282/*
283 * Embedded Controller quirks
284 * Some laptops require us to directly access the EC to either enable or query
285 * features that are not available through WMI.
286 */
287
288struct quirk_entry {
289 u8 wireless;
290 u8 mailled;
291 s8 brightness;
292 u8 bluetooth;
293};
294
295static struct quirk_entry *quirks;
296
297static void __init set_quirks(void)
298{
299 if (!interface)
300 return;
301
302 if (quirks->mailled)
303 interface->capability |= ACER_CAP_MAILLED;
304
305 if (quirks->brightness)
306 interface->capability |= ACER_CAP_BRIGHTNESS;
307}
308
309static int __init dmi_matched(const struct dmi_system_id *dmi)
310{
311 quirks = dmi->driver_data;
312 return 1;
313}
314
315static struct quirk_entry quirk_unknown = {
316};
317
318static struct quirk_entry quirk_acer_aspire_1520 = {
319 .brightness = -1,
320};
321
322static struct quirk_entry quirk_acer_travelmate_2490 = {
323 .mailled = 1,
324};
325
326/* This AMW0 laptop has no bluetooth */
327static struct quirk_entry quirk_medion_md_98300 = {
328 .wireless = 1,
329};
330
331static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
332 .wireless = 2,
333};
334
335static struct quirk_entry quirk_lenovo_ideapad_s205 = {
336 .wireless = 3,
337};
338
339/* The Aspire One has a dummy ACPI-WMI interface - disable it */
340static const struct dmi_system_id acer_blacklist[] __initconst = {
341 {
342 .ident = "Acer Aspire One (SSD)",
343 .matches = {
344 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
345 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
346 },
347 },
348 {
349 .ident = "Acer Aspire One (HDD)",
350 .matches = {
351 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
352 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
353 },
354 },
355 {}
356};
357
358static const struct dmi_system_id acer_quirks[] __initconst = {
359 {
360 .callback = dmi_matched,
361 .ident = "Acer Aspire 1360",
362 .matches = {
363 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
364 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
365 },
366 .driver_data = &quirk_acer_aspire_1520,
367 },
368 {
369 .callback = dmi_matched,
370 .ident = "Acer Aspire 1520",
371 .matches = {
372 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
374 },
375 .driver_data = &quirk_acer_aspire_1520,
376 },
377 {
378 .callback = dmi_matched,
379 .ident = "Acer Aspire 3100",
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
382 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
383 },
384 .driver_data = &quirk_acer_travelmate_2490,
385 },
386 {
387 .callback = dmi_matched,
388 .ident = "Acer Aspire 3610",
389 .matches = {
390 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
391 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
392 },
393 .driver_data = &quirk_acer_travelmate_2490,
394 },
395 {
396 .callback = dmi_matched,
397 .ident = "Acer Aspire 5100",
398 .matches = {
399 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
400 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
401 },
402 .driver_data = &quirk_acer_travelmate_2490,
403 },
404 {
405 .callback = dmi_matched,
406 .ident = "Acer Aspire 5610",
407 .matches = {
408 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
410 },
411 .driver_data = &quirk_acer_travelmate_2490,
412 },
413 {
414 .callback = dmi_matched,
415 .ident = "Acer Aspire 5630",
416 .matches = {
417 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
418 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
419 },
420 .driver_data = &quirk_acer_travelmate_2490,
421 },
422 {
423 .callback = dmi_matched,
424 .ident = "Acer Aspire 5650",
425 .matches = {
426 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
427 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
428 },
429 .driver_data = &quirk_acer_travelmate_2490,
430 },
431 {
432 .callback = dmi_matched,
433 .ident = "Acer Aspire 5680",
434 .matches = {
435 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
437 },
438 .driver_data = &quirk_acer_travelmate_2490,
439 },
440 {
441 .callback = dmi_matched,
442 .ident = "Acer Aspire 9110",
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
446 },
447 .driver_data = &quirk_acer_travelmate_2490,
448 },
449 {
450 .callback = dmi_matched,
451 .ident = "Acer TravelMate 2490",
452 .matches = {
453 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
454 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
455 },
456 .driver_data = &quirk_acer_travelmate_2490,
457 },
458 {
459 .callback = dmi_matched,
460 .ident = "Acer TravelMate 4200",
461 .matches = {
462 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
464 },
465 .driver_data = &quirk_acer_travelmate_2490,
466 },
467 {
468 .callback = dmi_matched,
469 .ident = "Fujitsu Siemens Amilo Li 1718",
470 .matches = {
471 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
473 },
474 .driver_data = &quirk_fujitsu_amilo_li_1718,
475 },
476 {
477 .callback = dmi_matched,
478 .ident = "Medion MD 98300",
479 .matches = {
480 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
481 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
482 },
483 .driver_data = &quirk_medion_md_98300,
484 },
485 {
486 .callback = dmi_matched,
487 .ident = "Lenovo Ideapad S205",
488 .matches = {
489 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
490 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
491 },
492 .driver_data = &quirk_lenovo_ideapad_s205,
493 },
494 {
495 .callback = dmi_matched,
496 .ident = "Lenovo Ideapad S205 (Brazos)",
497 .matches = {
498 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
499 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
500 },
501 .driver_data = &quirk_lenovo_ideapad_s205,
502 },
503 {
504 .callback = dmi_matched,
505 .ident = "Lenovo 3000 N200",
506 .matches = {
507 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
508 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
509 },
510 .driver_data = &quirk_fujitsu_amilo_li_1718,
511 },
512 {
513 .callback = dmi_matched,
514 .ident = "Lenovo Ideapad S205-10382JG",
515 .matches = {
516 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
517 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
518 },
519 .driver_data = &quirk_lenovo_ideapad_s205,
520 },
521 {
522 .callback = dmi_matched,
523 .ident = "Lenovo Ideapad S205-1038DPG",
524 .matches = {
525 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
526 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
527 },
528 .driver_data = &quirk_lenovo_ideapad_s205,
529 },
530 {}
531};
532
533static int __init
534video_set_backlight_video_vendor(const struct dmi_system_id *d)
535{
536 interface->capability &= ~ACER_CAP_BRIGHTNESS;
537 pr_info("Brightness must be controlled by generic video driver\n");
538 return 0;
539}
540
541static const struct dmi_system_id video_vendor_dmi_table[] __initconst = {
542 {
543 .callback = video_set_backlight_video_vendor,
544 .ident = "Acer TravelMate 4750",
545 .matches = {
546 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
547 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
548 },
549 },
550 {
551 .callback = video_set_backlight_video_vendor,
552 .ident = "Acer Extensa 5235",
553 .matches = {
554 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
555 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
556 },
557 },
558 {
559 .callback = video_set_backlight_video_vendor,
560 .ident = "Acer TravelMate 5760",
561 .matches = {
562 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
563 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
564 },
565 },
566 {
567 .callback = video_set_backlight_video_vendor,
568 .ident = "Acer Aspire 5750",
569 .matches = {
570 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
571 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
572 },
573 },
574 {
575 .callback = video_set_backlight_video_vendor,
576 .ident = "Acer Aspire 5741",
577 .matches = {
578 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
579 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
580 },
581 },
582 {
583 /*
584 * Note no video_set_backlight_video_vendor, we must use the
585 * acer interface, as there is no native backlight interface.
586 */
587 .ident = "Acer KAV80",
588 .matches = {
589 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
590 DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
591 },
592 },
593 {}
594};
595
596/* Find which quirks are needed for a particular vendor/ model pair */
597static void __init find_quirks(void)
598{
599 if (!force_series) {
600 dmi_check_system(acer_quirks);
601 } else if (force_series == 2490) {
602 quirks = &quirk_acer_travelmate_2490;
603 }
604
605 if (quirks == NULL)
606 quirks = &quirk_unknown;
607
608 set_quirks();
609}
610
611/*
612 * General interface convenience methods
613 */
614
615static bool has_cap(u32 cap)
616{
617 if ((interface->capability & cap) != 0)
618 return 1;
619
620 return 0;
621}
622
623/*
624 * AMW0 (V1) interface
625 */
626struct wmab_args {
627 u32 eax;
628 u32 ebx;
629 u32 ecx;
630 u32 edx;
631};
632
633struct wmab_ret {
634 u32 eax;
635 u32 ebx;
636 u32 ecx;
637 u32 edx;
638 u32 eex;
639};
640
641static acpi_status wmab_execute(struct wmab_args *regbuf,
642struct acpi_buffer *result)
643{
644 struct acpi_buffer input;
645 acpi_status status;
646 input.length = sizeof(struct wmab_args);
647 input.pointer = (u8 *)regbuf;
648
649 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
650
651 return status;
652}
653
654static acpi_status AMW0_get_u32(u32 *value, u32 cap)
655{
656 int err;
657 u8 result;
658
659 switch (cap) {
660 case ACER_CAP_MAILLED:
661 switch (quirks->mailled) {
662 default:
663 err = ec_read(0xA, &result);
664 if (err)
665 return AE_ERROR;
666 *value = (result >> 7) & 0x1;
667 return AE_OK;
668 }
669 break;
670 case ACER_CAP_WIRELESS:
671 switch (quirks->wireless) {
672 case 1:
673 err = ec_read(0x7B, &result);
674 if (err)
675 return AE_ERROR;
676 *value = result & 0x1;
677 return AE_OK;
678 case 2:
679 err = ec_read(0x71, &result);
680 if (err)
681 return AE_ERROR;
682 *value = result & 0x1;
683 return AE_OK;
684 case 3:
685 err = ec_read(0x78, &result);
686 if (err)
687 return AE_ERROR;
688 *value = result & 0x1;
689 return AE_OK;
690 default:
691 err = ec_read(0xA, &result);
692 if (err)
693 return AE_ERROR;
694 *value = (result >> 2) & 0x1;
695 return AE_OK;
696 }
697 break;
698 case ACER_CAP_BLUETOOTH:
699 switch (quirks->bluetooth) {
700 default:
701 err = ec_read(0xA, &result);
702 if (err)
703 return AE_ERROR;
704 *value = (result >> 4) & 0x1;
705 return AE_OK;
706 }
707 break;
708 case ACER_CAP_BRIGHTNESS:
709 switch (quirks->brightness) {
710 default:
711 err = ec_read(0x83, &result);
712 if (err)
713 return AE_ERROR;
714 *value = result;
715 return AE_OK;
716 }
717 break;
718 default:
719 return AE_ERROR;
720 }
721 return AE_OK;
722}
723
724static acpi_status AMW0_set_u32(u32 value, u32 cap)
725{
726 struct wmab_args args;
727
728 args.eax = ACER_AMW0_WRITE;
729 args.ebx = value ? (1<<8) : 0;
730 args.ecx = args.edx = 0;
731
732 switch (cap) {
733 case ACER_CAP_MAILLED:
734 if (value > 1)
735 return AE_BAD_PARAMETER;
736 args.ebx |= ACER_AMW0_MAILLED_MASK;
737 break;
738 case ACER_CAP_WIRELESS:
739 if (value > 1)
740 return AE_BAD_PARAMETER;
741 args.ebx |= ACER_AMW0_WIRELESS_MASK;
742 break;
743 case ACER_CAP_BLUETOOTH:
744 if (value > 1)
745 return AE_BAD_PARAMETER;
746 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
747 break;
748 case ACER_CAP_BRIGHTNESS:
749 if (value > max_brightness)
750 return AE_BAD_PARAMETER;
751 switch (quirks->brightness) {
752 default:
753 return ec_write(0x83, value);
754 break;
755 }
756 default:
757 return AE_ERROR;
758 }
759
760 /* Actually do the set */
761 return wmab_execute(&args, NULL);
762}
763
764static acpi_status __init AMW0_find_mailled(void)
765{
766 struct wmab_args args;
767 struct wmab_ret ret;
768 acpi_status status = AE_OK;
769 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
770 union acpi_object *obj;
771
772 args.eax = 0x86;
773 args.ebx = args.ecx = args.edx = 0;
774
775 status = wmab_execute(&args, &out);
776 if (ACPI_FAILURE(status))
777 return status;
778
779 obj = (union acpi_object *) out.pointer;
780 if (obj && obj->type == ACPI_TYPE_BUFFER &&
781 obj->buffer.length == sizeof(struct wmab_ret)) {
782 ret = *((struct wmab_ret *) obj->buffer.pointer);
783 } else {
784 kfree(out.pointer);
785 return AE_ERROR;
786 }
787
788 if (ret.eex & 0x1)
789 interface->capability |= ACER_CAP_MAILLED;
790
791 kfree(out.pointer);
792
793 return AE_OK;
794}
795
796static int AMW0_set_cap_acpi_check_device_found __initdata;
797
798static acpi_status __init AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
799 u32 level, void *context, void **retval)
800{
801 AMW0_set_cap_acpi_check_device_found = 1;
802 return AE_OK;
803}
804
805static const struct acpi_device_id norfkill_ids[] __initconst = {
806 { "VPC2004", 0},
807 { "IBM0068", 0},
808 { "LEN0068", 0},
809 { "SNY5001", 0}, /* sony-laptop in charge */
810 { "HPQ6601", 0},
811 { "", 0},
812};
813
814static int __init AMW0_set_cap_acpi_check_device(void)
815{
816 const struct acpi_device_id *id;
817
818 for (id = norfkill_ids; id->id[0]; id++)
819 acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
820 NULL, NULL);
821 return AMW0_set_cap_acpi_check_device_found;
822}
823
824static acpi_status __init AMW0_set_capabilities(void)
825{
826 struct wmab_args args;
827 struct wmab_ret ret;
828 acpi_status status;
829 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
830 union acpi_object *obj;
831
832 /*
833 * On laptops with this strange GUID (non Acer), normal probing doesn't
834 * work.
835 */
836 if (wmi_has_guid(AMW0_GUID2)) {
837 if ((quirks != &quirk_unknown) ||
838 !AMW0_set_cap_acpi_check_device())
839 interface->capability |= ACER_CAP_WIRELESS;
840 return AE_OK;
841 }
842
843 args.eax = ACER_AMW0_WRITE;
844 args.ecx = args.edx = 0;
845
846 args.ebx = 0xa2 << 8;
847 args.ebx |= ACER_AMW0_WIRELESS_MASK;
848
849 status = wmab_execute(&args, &out);
850 if (ACPI_FAILURE(status))
851 return status;
852
853 obj = out.pointer;
854 if (obj && obj->type == ACPI_TYPE_BUFFER &&
855 obj->buffer.length == sizeof(struct wmab_ret)) {
856 ret = *((struct wmab_ret *) obj->buffer.pointer);
857 } else {
858 status = AE_ERROR;
859 goto out;
860 }
861
862 if (ret.eax & 0x1)
863 interface->capability |= ACER_CAP_WIRELESS;
864
865 args.ebx = 2 << 8;
866 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
867
868 /*
869 * It's ok to use existing buffer for next wmab_execute call.
870 * But we need to kfree(out.pointer) if next wmab_execute fail.
871 */
872 status = wmab_execute(&args, &out);
873 if (ACPI_FAILURE(status))
874 goto out;
875
876 obj = (union acpi_object *) out.pointer;
877 if (obj && obj->type == ACPI_TYPE_BUFFER
878 && obj->buffer.length == sizeof(struct wmab_ret)) {
879 ret = *((struct wmab_ret *) obj->buffer.pointer);
880 } else {
881 status = AE_ERROR;
882 goto out;
883 }
884
885 if (ret.eax & 0x1)
886 interface->capability |= ACER_CAP_BLUETOOTH;
887
888 /*
889 * This appears to be safe to enable, since all Wistron based laptops
890 * appear to use the same EC register for brightness, even if they
891 * differ for wireless, etc
892 */
893 if (quirks->brightness >= 0)
894 interface->capability |= ACER_CAP_BRIGHTNESS;
895
896 status = AE_OK;
897out:
898 kfree(out.pointer);
899 return status;
900}
901
902static struct wmi_interface AMW0_interface = {
903 .type = ACER_AMW0,
904};
905
906static struct wmi_interface AMW0_V2_interface = {
907 .type = ACER_AMW0_V2,
908};
909
910/*
911 * New interface (The WMID interface)
912 */
913static acpi_status
914WMI_execute_u32(u32 method_id, u32 in, u32 *out)
915{
916 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
917 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
918 union acpi_object *obj;
919 u32 tmp = 0;
920 acpi_status status;
921
922 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
923
924 if (ACPI_FAILURE(status))
925 return status;
926
927 obj = (union acpi_object *) result.pointer;
928 if (obj) {
929 if (obj->type == ACPI_TYPE_BUFFER &&
930 (obj->buffer.length == sizeof(u32) ||
931 obj->buffer.length == sizeof(u64))) {
932 tmp = *((u32 *) obj->buffer.pointer);
933 } else if (obj->type == ACPI_TYPE_INTEGER) {
934 tmp = (u32) obj->integer.value;
935 }
936 }
937
938 if (out)
939 *out = tmp;
940
941 kfree(result.pointer);
942
943 return status;
944}
945
946static acpi_status WMID_get_u32(u32 *value, u32 cap)
947{
948 acpi_status status;
949 u8 tmp;
950 u32 result, method_id = 0;
951
952 switch (cap) {
953 case ACER_CAP_WIRELESS:
954 method_id = ACER_WMID_GET_WIRELESS_METHODID;
955 break;
956 case ACER_CAP_BLUETOOTH:
957 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
958 break;
959 case ACER_CAP_BRIGHTNESS:
960 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
961 break;
962 case ACER_CAP_THREEG:
963 method_id = ACER_WMID_GET_THREEG_METHODID;
964 break;
965 case ACER_CAP_MAILLED:
966 if (quirks->mailled == 1) {
967 ec_read(0x9f, &tmp);
968 *value = tmp & 0x1;
969 return 0;
970 }
971 default:
972 return AE_ERROR;
973 }
974 status = WMI_execute_u32(method_id, 0, &result);
975
976 if (ACPI_SUCCESS(status))
977 *value = (u8)result;
978
979 return status;
980}
981
982static acpi_status WMID_set_u32(u32 value, u32 cap)
983{
984 u32 method_id = 0;
985 char param;
986
987 switch (cap) {
988 case ACER_CAP_BRIGHTNESS:
989 if (value > max_brightness)
990 return AE_BAD_PARAMETER;
991 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
992 break;
993 case ACER_CAP_WIRELESS:
994 if (value > 1)
995 return AE_BAD_PARAMETER;
996 method_id = ACER_WMID_SET_WIRELESS_METHODID;
997 break;
998 case ACER_CAP_BLUETOOTH:
999 if (value > 1)
1000 return AE_BAD_PARAMETER;
1001 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1002 break;
1003 case ACER_CAP_THREEG:
1004 if (value > 1)
1005 return AE_BAD_PARAMETER;
1006 method_id = ACER_WMID_SET_THREEG_METHODID;
1007 break;
1008 case ACER_CAP_MAILLED:
1009 if (value > 1)
1010 return AE_BAD_PARAMETER;
1011 if (quirks->mailled == 1) {
1012 param = value ? 0x92 : 0x93;
1013 i8042_lock_chip();
1014 i8042_command(¶m, 0x1059);
1015 i8042_unlock_chip();
1016 return 0;
1017 }
1018 break;
1019 default:
1020 return AE_ERROR;
1021 }
1022 return WMI_execute_u32(method_id, (u32)value, NULL);
1023}
1024
1025static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1026{
1027 struct wmid3_gds_return_value return_value;
1028 acpi_status status;
1029 union acpi_object *obj;
1030 struct wmid3_gds_get_input_param params = {
1031 .function_num = 0x1,
1032 .hotkey_number = commun_fn_key_number,
1033 .devices = device,
1034 };
1035 struct acpi_buffer input = {
1036 sizeof(struct wmid3_gds_get_input_param),
1037 ¶ms
1038 };
1039 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1040
1041 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1042 if (ACPI_FAILURE(status))
1043 return status;
1044
1045 obj = output.pointer;
1046
1047 if (!obj)
1048 return AE_ERROR;
1049 else if (obj->type != ACPI_TYPE_BUFFER) {
1050 kfree(obj);
1051 return AE_ERROR;
1052 }
1053 if (obj->buffer.length != 8) {
1054 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1055 kfree(obj);
1056 return AE_ERROR;
1057 }
1058
1059 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1060 kfree(obj);
1061
1062 if (return_value.error_code || return_value.ec_return_value)
1063 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1064 device,
1065 return_value.error_code,
1066 return_value.ec_return_value);
1067 else
1068 *value = !!(return_value.devices & device);
1069
1070 return status;
1071}
1072
1073static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1074{
1075 u16 device;
1076
1077 switch (cap) {
1078 case ACER_CAP_WIRELESS:
1079 device = ACER_WMID3_GDS_WIRELESS;
1080 break;
1081 case ACER_CAP_BLUETOOTH:
1082 device = ACER_WMID3_GDS_BLUETOOTH;
1083 break;
1084 case ACER_CAP_THREEG:
1085 device = ACER_WMID3_GDS_THREEG;
1086 break;
1087 default:
1088 return AE_ERROR;
1089 }
1090 return wmid3_get_device_status(value, device);
1091}
1092
1093static acpi_status wmid3_set_device_status(u32 value, u16 device)
1094{
1095 struct wmid3_gds_return_value return_value;
1096 acpi_status status;
1097 union acpi_object *obj;
1098 u16 devices;
1099 struct wmid3_gds_get_input_param get_params = {
1100 .function_num = 0x1,
1101 .hotkey_number = commun_fn_key_number,
1102 .devices = commun_func_bitmap,
1103 };
1104 struct acpi_buffer get_input = {
1105 sizeof(struct wmid3_gds_get_input_param),
1106 &get_params
1107 };
1108 struct wmid3_gds_set_input_param set_params = {
1109 .function_num = 0x2,
1110 .hotkey_number = commun_fn_key_number,
1111 .devices = commun_func_bitmap,
1112 };
1113 struct acpi_buffer set_input = {
1114 sizeof(struct wmid3_gds_set_input_param),
1115 &set_params
1116 };
1117 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1118 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1119
1120 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
1121 if (ACPI_FAILURE(status))
1122 return status;
1123
1124 obj = output.pointer;
1125
1126 if (!obj)
1127 return AE_ERROR;
1128 else if (obj->type != ACPI_TYPE_BUFFER) {
1129 kfree(obj);
1130 return AE_ERROR;
1131 }
1132 if (obj->buffer.length != 8) {
1133 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1134 kfree(obj);
1135 return AE_ERROR;
1136 }
1137
1138 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1139 kfree(obj);
1140
1141 if (return_value.error_code || return_value.ec_return_value) {
1142 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1143 return_value.error_code,
1144 return_value.ec_return_value);
1145 return status;
1146 }
1147
1148 devices = return_value.devices;
1149 set_params.devices = (value) ? (devices | device) : (devices & ~device);
1150
1151 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
1152 if (ACPI_FAILURE(status))
1153 return status;
1154
1155 obj = output2.pointer;
1156
1157 if (!obj)
1158 return AE_ERROR;
1159 else if (obj->type != ACPI_TYPE_BUFFER) {
1160 kfree(obj);
1161 return AE_ERROR;
1162 }
1163 if (obj->buffer.length != 4) {
1164 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1165 kfree(obj);
1166 return AE_ERROR;
1167 }
1168
1169 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1170 kfree(obj);
1171
1172 if (return_value.error_code || return_value.ec_return_value)
1173 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1174 return_value.error_code,
1175 return_value.ec_return_value);
1176
1177 return status;
1178}
1179
1180static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1181{
1182 u16 device;
1183
1184 switch (cap) {
1185 case ACER_CAP_WIRELESS:
1186 device = ACER_WMID3_GDS_WIRELESS;
1187 break;
1188 case ACER_CAP_BLUETOOTH:
1189 device = ACER_WMID3_GDS_BLUETOOTH;
1190 break;
1191 case ACER_CAP_THREEG:
1192 device = ACER_WMID3_GDS_THREEG;
1193 break;
1194 default:
1195 return AE_ERROR;
1196 }
1197 return wmid3_set_device_status(value, device);
1198}
1199
1200static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
1201{
1202 struct hotkey_function_type_aa *type_aa;
1203
1204 /* We are looking for OEM-specific Type AAh */
1205 if (header->type != 0xAA)
1206 return;
1207
1208 has_type_aa = true;
1209 type_aa = (struct hotkey_function_type_aa *) header;
1210
1211 pr_info("Function bitmap for Communication Button: 0x%x\n",
1212 type_aa->commun_func_bitmap);
1213 commun_func_bitmap = type_aa->commun_func_bitmap;
1214
1215 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1216 interface->capability |= ACER_CAP_WIRELESS;
1217 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1218 interface->capability |= ACER_CAP_THREEG;
1219 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1220 interface->capability |= ACER_CAP_BLUETOOTH;
1221
1222 commun_fn_key_number = type_aa->commun_fn_key_number;
1223}
1224
1225static acpi_status __init WMID_set_capabilities(void)
1226{
1227 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1228 union acpi_object *obj;
1229 acpi_status status;
1230 u32 devices;
1231
1232 status = wmi_query_block(WMID_GUID2, 1, &out);
1233 if (ACPI_FAILURE(status))
1234 return status;
1235
1236 obj = (union acpi_object *) out.pointer;
1237 if (obj) {
1238 if (obj->type == ACPI_TYPE_BUFFER &&
1239 (obj->buffer.length == sizeof(u32) ||
1240 obj->buffer.length == sizeof(u64))) {
1241 devices = *((u32 *) obj->buffer.pointer);
1242 } else if (obj->type == ACPI_TYPE_INTEGER) {
1243 devices = (u32) obj->integer.value;
1244 } else {
1245 kfree(out.pointer);
1246 return AE_ERROR;
1247 }
1248 } else {
1249 kfree(out.pointer);
1250 return AE_ERROR;
1251 }
1252
1253 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1254 if (devices & 0x07)
1255 interface->capability |= ACER_CAP_WIRELESS;
1256 if (devices & 0x40)
1257 interface->capability |= ACER_CAP_THREEG;
1258 if (devices & 0x10)
1259 interface->capability |= ACER_CAP_BLUETOOTH;
1260
1261 if (!(devices & 0x20))
1262 max_brightness = 0x9;
1263
1264 kfree(out.pointer);
1265 return status;
1266}
1267
1268static struct wmi_interface wmid_interface = {
1269 .type = ACER_WMID,
1270};
1271
1272static struct wmi_interface wmid_v2_interface = {
1273 .type = ACER_WMID_v2,
1274};
1275
1276/*
1277 * Generic Device (interface-independent)
1278 */
1279
1280static acpi_status get_u32(u32 *value, u32 cap)
1281{
1282 acpi_status status = AE_ERROR;
1283
1284 switch (interface->type) {
1285 case ACER_AMW0:
1286 status = AMW0_get_u32(value, cap);
1287 break;
1288 case ACER_AMW0_V2:
1289 if (cap == ACER_CAP_MAILLED) {
1290 status = AMW0_get_u32(value, cap);
1291 break;
1292 }
1293 case ACER_WMID:
1294 status = WMID_get_u32(value, cap);
1295 break;
1296 case ACER_WMID_v2:
1297 if (cap & (ACER_CAP_WIRELESS |
1298 ACER_CAP_BLUETOOTH |
1299 ACER_CAP_THREEG))
1300 status = wmid_v2_get_u32(value, cap);
1301 else if (wmi_has_guid(WMID_GUID2))
1302 status = WMID_get_u32(value, cap);
1303 break;
1304 }
1305
1306 return status;
1307}
1308
1309static acpi_status set_u32(u32 value, u32 cap)
1310{
1311 acpi_status status;
1312
1313 if (interface->capability & cap) {
1314 switch (interface->type) {
1315 case ACER_AMW0:
1316 return AMW0_set_u32(value, cap);
1317 case ACER_AMW0_V2:
1318 if (cap == ACER_CAP_MAILLED)
1319 return AMW0_set_u32(value, cap);
1320
1321 /*
1322 * On some models, some WMID methods don't toggle
1323 * properly. For those cases, we want to run the AMW0
1324 * method afterwards to be certain we've really toggled
1325 * the device state.
1326 */
1327 if (cap == ACER_CAP_WIRELESS ||
1328 cap == ACER_CAP_BLUETOOTH) {
1329 status = WMID_set_u32(value, cap);
1330 if (ACPI_FAILURE(status))
1331 return status;
1332
1333 return AMW0_set_u32(value, cap);
1334 }
1335 case ACER_WMID:
1336 return WMID_set_u32(value, cap);
1337 case ACER_WMID_v2:
1338 if (cap & (ACER_CAP_WIRELESS |
1339 ACER_CAP_BLUETOOTH |
1340 ACER_CAP_THREEG))
1341 return wmid_v2_set_u32(value, cap);
1342 else if (wmi_has_guid(WMID_GUID2))
1343 return WMID_set_u32(value, cap);
1344 default:
1345 return AE_BAD_PARAMETER;
1346 }
1347 }
1348 return AE_BAD_PARAMETER;
1349}
1350
1351static void __init acer_commandline_init(void)
1352{
1353 /*
1354 * These will all fail silently if the value given is invalid, or the
1355 * capability isn't available on the given interface
1356 */
1357 if (mailled >= 0)
1358 set_u32(mailled, ACER_CAP_MAILLED);
1359 if (!has_type_aa && threeg >= 0)
1360 set_u32(threeg, ACER_CAP_THREEG);
1361 if (brightness >= 0)
1362 set_u32(brightness, ACER_CAP_BRIGHTNESS);
1363}
1364
1365/*
1366 * LED device (Mail LED only, no other LEDs known yet)
1367 */
1368static void mail_led_set(struct led_classdev *led_cdev,
1369enum led_brightness value)
1370{
1371 set_u32(value, ACER_CAP_MAILLED);
1372}
1373
1374static struct led_classdev mail_led = {
1375 .name = "acer-wmi::mail",
1376 .brightness_set = mail_led_set,
1377};
1378
1379static int acer_led_init(struct device *dev)
1380{
1381 return led_classdev_register(dev, &mail_led);
1382}
1383
1384static void acer_led_exit(void)
1385{
1386 set_u32(LED_OFF, ACER_CAP_MAILLED);
1387 led_classdev_unregister(&mail_led);
1388}
1389
1390/*
1391 * Backlight device
1392 */
1393static struct backlight_device *acer_backlight_device;
1394
1395static int read_brightness(struct backlight_device *bd)
1396{
1397 u32 value;
1398 get_u32(&value, ACER_CAP_BRIGHTNESS);
1399 return value;
1400}
1401
1402static int update_bl_status(struct backlight_device *bd)
1403{
1404 int intensity = bd->props.brightness;
1405
1406 if (bd->props.power != FB_BLANK_UNBLANK)
1407 intensity = 0;
1408 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1409 intensity = 0;
1410
1411 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1412
1413 return 0;
1414}
1415
1416static const struct backlight_ops acer_bl_ops = {
1417 .get_brightness = read_brightness,
1418 .update_status = update_bl_status,
1419};
1420
1421static int acer_backlight_init(struct device *dev)
1422{
1423 struct backlight_properties props;
1424 struct backlight_device *bd;
1425
1426 memset(&props, 0, sizeof(struct backlight_properties));
1427 props.type = BACKLIGHT_PLATFORM;
1428 props.max_brightness = max_brightness;
1429 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1430 &props);
1431 if (IS_ERR(bd)) {
1432 pr_err("Could not register Acer backlight device\n");
1433 acer_backlight_device = NULL;
1434 return PTR_ERR(bd);
1435 }
1436
1437 acer_backlight_device = bd;
1438
1439 bd->props.power = FB_BLANK_UNBLANK;
1440 bd->props.brightness = read_brightness(bd);
1441 backlight_update_status(bd);
1442 return 0;
1443}
1444
1445static void acer_backlight_exit(void)
1446{
1447 backlight_device_unregister(acer_backlight_device);
1448}
1449
1450/*
1451 * Accelerometer device
1452 */
1453static acpi_handle gsensor_handle;
1454
1455static int acer_gsensor_init(void)
1456{
1457 acpi_status status;
1458 struct acpi_buffer output;
1459 union acpi_object out_obj;
1460
1461 output.length = sizeof(out_obj);
1462 output.pointer = &out_obj;
1463 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1464 if (ACPI_FAILURE(status))
1465 return -1;
1466
1467 return 0;
1468}
1469
1470static int acer_gsensor_open(struct input_dev *input)
1471{
1472 return acer_gsensor_init();
1473}
1474
1475static int acer_gsensor_event(void)
1476{
1477 acpi_status status;
1478 struct acpi_buffer output;
1479 union acpi_object out_obj[5];
1480
1481 if (!has_cap(ACER_CAP_ACCEL))
1482 return -1;
1483
1484 output.length = sizeof(out_obj);
1485 output.pointer = out_obj;
1486
1487 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1488 if (ACPI_FAILURE(status))
1489 return -1;
1490
1491 if (out_obj->package.count != 4)
1492 return -1;
1493
1494 input_report_abs(acer_wmi_accel_dev, ABS_X,
1495 (s16)out_obj->package.elements[0].integer.value);
1496 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1497 (s16)out_obj->package.elements[1].integer.value);
1498 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1499 (s16)out_obj->package.elements[2].integer.value);
1500 input_sync(acer_wmi_accel_dev);
1501 return 0;
1502}
1503
1504/*
1505 * Rfkill devices
1506 */
1507static void acer_rfkill_update(struct work_struct *ignored);
1508static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1509static void acer_rfkill_update(struct work_struct *ignored)
1510{
1511 u32 state;
1512 acpi_status status;
1513
1514 if (has_cap(ACER_CAP_WIRELESS)) {
1515 status = get_u32(&state, ACER_CAP_WIRELESS);
1516 if (ACPI_SUCCESS(status)) {
1517 if (quirks->wireless == 3)
1518 rfkill_set_hw_state(wireless_rfkill, !state);
1519 else
1520 rfkill_set_sw_state(wireless_rfkill, !state);
1521 }
1522 }
1523
1524 if (has_cap(ACER_CAP_BLUETOOTH)) {
1525 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1526 if (ACPI_SUCCESS(status))
1527 rfkill_set_sw_state(bluetooth_rfkill, !state);
1528 }
1529
1530 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
1531 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
1532 if (ACPI_SUCCESS(status))
1533 rfkill_set_sw_state(threeg_rfkill, !state);
1534 }
1535
1536 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
1537}
1538
1539static int acer_rfkill_set(void *data, bool blocked)
1540{
1541 acpi_status status;
1542 u32 cap = (unsigned long)data;
1543
1544 if (rfkill_inited) {
1545 status = set_u32(!blocked, cap);
1546 if (ACPI_FAILURE(status))
1547 return -ENODEV;
1548 }
1549
1550 return 0;
1551}
1552
1553static const struct rfkill_ops acer_rfkill_ops = {
1554 .set_block = acer_rfkill_set,
1555};
1556
1557static struct rfkill *acer_rfkill_register(struct device *dev,
1558 enum rfkill_type type,
1559 char *name, u32 cap)
1560{
1561 int err;
1562 struct rfkill *rfkill_dev;
1563 u32 state;
1564 acpi_status status;
1565
1566 rfkill_dev = rfkill_alloc(name, dev, type,
1567 &acer_rfkill_ops,
1568 (void *)(unsigned long)cap);
1569 if (!rfkill_dev)
1570 return ERR_PTR(-ENOMEM);
1571
1572 status = get_u32(&state, cap);
1573
1574 err = rfkill_register(rfkill_dev);
1575 if (err) {
1576 rfkill_destroy(rfkill_dev);
1577 return ERR_PTR(err);
1578 }
1579
1580 if (ACPI_SUCCESS(status))
1581 rfkill_set_sw_state(rfkill_dev, !state);
1582
1583 return rfkill_dev;
1584}
1585
1586static int acer_rfkill_init(struct device *dev)
1587{
1588 int err;
1589
1590 if (has_cap(ACER_CAP_WIRELESS)) {
1591 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1592 "acer-wireless", ACER_CAP_WIRELESS);
1593 if (IS_ERR(wireless_rfkill)) {
1594 err = PTR_ERR(wireless_rfkill);
1595 goto error_wireless;
1596 }
1597 }
1598
1599 if (has_cap(ACER_CAP_BLUETOOTH)) {
1600 bluetooth_rfkill = acer_rfkill_register(dev,
1601 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1602 ACER_CAP_BLUETOOTH);
1603 if (IS_ERR(bluetooth_rfkill)) {
1604 err = PTR_ERR(bluetooth_rfkill);
1605 goto error_bluetooth;
1606 }
1607 }
1608
1609 if (has_cap(ACER_CAP_THREEG)) {
1610 threeg_rfkill = acer_rfkill_register(dev,
1611 RFKILL_TYPE_WWAN, "acer-threeg",
1612 ACER_CAP_THREEG);
1613 if (IS_ERR(threeg_rfkill)) {
1614 err = PTR_ERR(threeg_rfkill);
1615 goto error_threeg;
1616 }
1617 }
1618
1619 rfkill_inited = true;
1620
1621 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1622 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
1623 schedule_delayed_work(&acer_rfkill_work,
1624 round_jiffies_relative(HZ));
1625
1626 return 0;
1627
1628error_threeg:
1629 if (has_cap(ACER_CAP_BLUETOOTH)) {
1630 rfkill_unregister(bluetooth_rfkill);
1631 rfkill_destroy(bluetooth_rfkill);
1632 }
1633error_bluetooth:
1634 if (has_cap(ACER_CAP_WIRELESS)) {
1635 rfkill_unregister(wireless_rfkill);
1636 rfkill_destroy(wireless_rfkill);
1637 }
1638error_wireless:
1639 return err;
1640}
1641
1642static void acer_rfkill_exit(void)
1643{
1644 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1645 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
1646 cancel_delayed_work_sync(&acer_rfkill_work);
1647
1648 if (has_cap(ACER_CAP_WIRELESS)) {
1649 rfkill_unregister(wireless_rfkill);
1650 rfkill_destroy(wireless_rfkill);
1651 }
1652
1653 if (has_cap(ACER_CAP_BLUETOOTH)) {
1654 rfkill_unregister(bluetooth_rfkill);
1655 rfkill_destroy(bluetooth_rfkill);
1656 }
1657
1658 if (has_cap(ACER_CAP_THREEG)) {
1659 rfkill_unregister(threeg_rfkill);
1660 rfkill_destroy(threeg_rfkill);
1661 }
1662 return;
1663}
1664
1665static void acer_wmi_notify(u32 value, void *context)
1666{
1667 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1668 union acpi_object *obj;
1669 struct event_return_value return_value;
1670 acpi_status status;
1671 u16 device_state;
1672 const struct key_entry *key;
1673 u32 scancode;
1674
1675 status = wmi_get_event_data(value, &response);
1676 if (status != AE_OK) {
1677 pr_warn("bad event status 0x%x\n", status);
1678 return;
1679 }
1680
1681 obj = (union acpi_object *)response.pointer;
1682
1683 if (!obj)
1684 return;
1685 if (obj->type != ACPI_TYPE_BUFFER) {
1686 pr_warn("Unknown response received %d\n", obj->type);
1687 kfree(obj);
1688 return;
1689 }
1690 if (obj->buffer.length != 8) {
1691 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1692 kfree(obj);
1693 return;
1694 }
1695
1696 return_value = *((struct event_return_value *)obj->buffer.pointer);
1697 kfree(obj);
1698
1699 switch (return_value.function) {
1700 case WMID_HOTKEY_EVENT:
1701 device_state = return_value.device_state;
1702 pr_debug("device state: 0x%x\n", device_state);
1703
1704 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1705 return_value.key_num);
1706 if (!key) {
1707 pr_warn("Unknown key number - 0x%x\n",
1708 return_value.key_num);
1709 } else {
1710 scancode = return_value.key_num;
1711 switch (key->keycode) {
1712 case KEY_WLAN:
1713 case KEY_BLUETOOTH:
1714 if (has_cap(ACER_CAP_WIRELESS))
1715 rfkill_set_sw_state(wireless_rfkill,
1716 !(device_state & ACER_WMID3_GDS_WIRELESS));
1717 if (has_cap(ACER_CAP_THREEG))
1718 rfkill_set_sw_state(threeg_rfkill,
1719 !(device_state & ACER_WMID3_GDS_THREEG));
1720 if (has_cap(ACER_CAP_BLUETOOTH))
1721 rfkill_set_sw_state(bluetooth_rfkill,
1722 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1723 break;
1724 case KEY_TOUCHPAD_TOGGLE:
1725 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1726 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
1727 }
1728 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
1729 }
1730 break;
1731 case WMID_ACCEL_EVENT:
1732 acer_gsensor_event();
1733 break;
1734 default:
1735 pr_warn("Unknown function number - %d - %d\n",
1736 return_value.function, return_value.key_num);
1737 break;
1738 }
1739}
1740
1741static acpi_status __init
1742wmid3_set_lm_mode(struct lm_input_params *params,
1743 struct lm_return_value *return_value)
1744{
1745 acpi_status status;
1746 union acpi_object *obj;
1747
1748 struct acpi_buffer input = { sizeof(struct lm_input_params), params };
1749 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1750
1751 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1752 if (ACPI_FAILURE(status))
1753 return status;
1754
1755 obj = output.pointer;
1756
1757 if (!obj)
1758 return AE_ERROR;
1759 else if (obj->type != ACPI_TYPE_BUFFER) {
1760 kfree(obj);
1761 return AE_ERROR;
1762 }
1763 if (obj->buffer.length != 4) {
1764 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1765 kfree(obj);
1766 return AE_ERROR;
1767 }
1768
1769 *return_value = *((struct lm_return_value *)obj->buffer.pointer);
1770 kfree(obj);
1771
1772 return status;
1773}
1774
1775static int __init acer_wmi_enable_ec_raw(void)
1776{
1777 struct lm_return_value return_value;
1778 acpi_status status;
1779 struct lm_input_params params = {
1780 .function_num = 0x1,
1781 .commun_devices = 0xFFFF,
1782 .devices = 0xFFFF,
1783 .lm_status = 0x00, /* Launch Manager Deactive */
1784 };
1785
1786 status = wmid3_set_lm_mode(¶ms, &return_value);
1787
1788 if (return_value.error_code || return_value.ec_return_value)
1789 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1790 return_value.error_code,
1791 return_value.ec_return_value);
1792 else
1793 pr_info("Enabled EC raw mode\n");
1794
1795 return status;
1796}
1797
1798static int __init acer_wmi_enable_lm(void)
1799{
1800 struct lm_return_value return_value;
1801 acpi_status status;
1802 struct lm_input_params params = {
1803 .function_num = 0x1,
1804 .commun_devices = 0xFFFF,
1805 .devices = 0xFFFF,
1806 .lm_status = 0x01, /* Launch Manager Active */
1807 };
1808
1809 status = wmid3_set_lm_mode(¶ms, &return_value);
1810
1811 if (return_value.error_code || return_value.ec_return_value)
1812 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1813 return_value.error_code,
1814 return_value.ec_return_value);
1815
1816 return status;
1817}
1818
1819static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1820 void *ctx, void **retval)
1821{
1822 *(acpi_handle *)retval = ah;
1823 return AE_OK;
1824}
1825
1826static int __init acer_wmi_get_handle(const char *name, const char *prop,
1827 acpi_handle *ah)
1828{
1829 acpi_status status;
1830 acpi_handle handle;
1831
1832 BUG_ON(!name || !ah);
1833
1834 handle = NULL;
1835 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1836 (void *)name, &handle);
1837
1838 if (ACPI_SUCCESS(status)) {
1839 *ah = handle;
1840 return 0;
1841 } else {
1842 return -ENODEV;
1843 }
1844}
1845
1846static int __init acer_wmi_accel_setup(void)
1847{
1848 int err;
1849
1850 err = acer_wmi_get_handle("SENR", "BST0001", &gsensor_handle);
1851 if (err)
1852 return err;
1853
1854 interface->capability |= ACER_CAP_ACCEL;
1855
1856 acer_wmi_accel_dev = input_allocate_device();
1857 if (!acer_wmi_accel_dev)
1858 return -ENOMEM;
1859
1860 acer_wmi_accel_dev->open = acer_gsensor_open;
1861
1862 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1863 acer_wmi_accel_dev->phys = "wmi/input1";
1864 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1865 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1866 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1867 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1868 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1869
1870 err = input_register_device(acer_wmi_accel_dev);
1871 if (err)
1872 goto err_free_dev;
1873
1874 return 0;
1875
1876err_free_dev:
1877 input_free_device(acer_wmi_accel_dev);
1878 return err;
1879}
1880
1881static void acer_wmi_accel_destroy(void)
1882{
1883 input_unregister_device(acer_wmi_accel_dev);
1884}
1885
1886static int __init acer_wmi_input_setup(void)
1887{
1888 acpi_status status;
1889 int err;
1890
1891 acer_wmi_input_dev = input_allocate_device();
1892 if (!acer_wmi_input_dev)
1893 return -ENOMEM;
1894
1895 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1896 acer_wmi_input_dev->phys = "wmi/input0";
1897 acer_wmi_input_dev->id.bustype = BUS_HOST;
1898
1899 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1900 if (err)
1901 goto err_free_dev;
1902
1903 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1904 acer_wmi_notify, NULL);
1905 if (ACPI_FAILURE(status)) {
1906 err = -EIO;
1907 goto err_free_keymap;
1908 }
1909
1910 err = input_register_device(acer_wmi_input_dev);
1911 if (err)
1912 goto err_uninstall_notifier;
1913
1914 return 0;
1915
1916err_uninstall_notifier:
1917 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1918err_free_keymap:
1919 sparse_keymap_free(acer_wmi_input_dev);
1920err_free_dev:
1921 input_free_device(acer_wmi_input_dev);
1922 return err;
1923}
1924
1925static void acer_wmi_input_destroy(void)
1926{
1927 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1928 sparse_keymap_free(acer_wmi_input_dev);
1929 input_unregister_device(acer_wmi_input_dev);
1930}
1931
1932/*
1933 * debugfs functions
1934 */
1935static u32 get_wmid_devices(void)
1936{
1937 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1938 union acpi_object *obj;
1939 acpi_status status;
1940 u32 devices = 0;
1941
1942 status = wmi_query_block(WMID_GUID2, 1, &out);
1943 if (ACPI_FAILURE(status))
1944 return 0;
1945
1946 obj = (union acpi_object *) out.pointer;
1947 if (obj) {
1948 if (obj->type == ACPI_TYPE_BUFFER &&
1949 (obj->buffer.length == sizeof(u32) ||
1950 obj->buffer.length == sizeof(u64))) {
1951 devices = *((u32 *) obj->buffer.pointer);
1952 } else if (obj->type == ACPI_TYPE_INTEGER) {
1953 devices = (u32) obj->integer.value;
1954 }
1955 }
1956
1957 kfree(out.pointer);
1958 return devices;
1959}
1960
1961/*
1962 * Platform device
1963 */
1964static int acer_platform_probe(struct platform_device *device)
1965{
1966 int err;
1967
1968 if (has_cap(ACER_CAP_MAILLED)) {
1969 err = acer_led_init(&device->dev);
1970 if (err)
1971 goto error_mailled;
1972 }
1973
1974 if (has_cap(ACER_CAP_BRIGHTNESS)) {
1975 err = acer_backlight_init(&device->dev);
1976 if (err)
1977 goto error_brightness;
1978 }
1979
1980 err = acer_rfkill_init(&device->dev);
1981 if (err)
1982 goto error_rfkill;
1983
1984 return err;
1985
1986error_rfkill:
1987 if (has_cap(ACER_CAP_BRIGHTNESS))
1988 acer_backlight_exit();
1989error_brightness:
1990 if (has_cap(ACER_CAP_MAILLED))
1991 acer_led_exit();
1992error_mailled:
1993 return err;
1994}
1995
1996static int acer_platform_remove(struct platform_device *device)
1997{
1998 if (has_cap(ACER_CAP_MAILLED))
1999 acer_led_exit();
2000 if (has_cap(ACER_CAP_BRIGHTNESS))
2001 acer_backlight_exit();
2002
2003 acer_rfkill_exit();
2004 return 0;
2005}
2006
2007#ifdef CONFIG_PM_SLEEP
2008static int acer_suspend(struct device *dev)
2009{
2010 u32 value;
2011 struct acer_data *data = &interface->data;
2012
2013 if (!data)
2014 return -ENOMEM;
2015
2016 if (has_cap(ACER_CAP_MAILLED)) {
2017 get_u32(&value, ACER_CAP_MAILLED);
2018 set_u32(LED_OFF, ACER_CAP_MAILLED);
2019 data->mailled = value;
2020 }
2021
2022 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2023 get_u32(&value, ACER_CAP_BRIGHTNESS);
2024 data->brightness = value;
2025 }
2026
2027 return 0;
2028}
2029
2030static int acer_resume(struct device *dev)
2031{
2032 struct acer_data *data = &interface->data;
2033
2034 if (!data)
2035 return -ENOMEM;
2036
2037 if (has_cap(ACER_CAP_MAILLED))
2038 set_u32(data->mailled, ACER_CAP_MAILLED);
2039
2040 if (has_cap(ACER_CAP_BRIGHTNESS))
2041 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2042
2043 if (has_cap(ACER_CAP_ACCEL))
2044 acer_gsensor_init();
2045
2046 return 0;
2047}
2048#else
2049#define acer_suspend NULL
2050#define acer_resume NULL
2051#endif
2052
2053static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2054
2055static void acer_platform_shutdown(struct platform_device *device)
2056{
2057 struct acer_data *data = &interface->data;
2058
2059 if (!data)
2060 return;
2061
2062 if (has_cap(ACER_CAP_MAILLED))
2063 set_u32(LED_OFF, ACER_CAP_MAILLED);
2064}
2065
2066static struct platform_driver acer_platform_driver = {
2067 .driver = {
2068 .name = "acer-wmi",
2069 .pm = &acer_pm,
2070 },
2071 .probe = acer_platform_probe,
2072 .remove = acer_platform_remove,
2073 .shutdown = acer_platform_shutdown,
2074};
2075
2076static struct platform_device *acer_platform_device;
2077
2078static void remove_debugfs(void)
2079{
2080 debugfs_remove(interface->debug.devices);
2081 debugfs_remove(interface->debug.root);
2082}
2083
2084static int __init create_debugfs(void)
2085{
2086 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2087 if (!interface->debug.root) {
2088 pr_err("Failed to create debugfs directory");
2089 return -ENOMEM;
2090 }
2091
2092 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2093 interface->debug.root,
2094 &interface->debug.wmid_devices);
2095 if (!interface->debug.devices)
2096 goto error_debugfs;
2097
2098 return 0;
2099
2100error_debugfs:
2101 remove_debugfs();
2102 return -ENOMEM;
2103}
2104
2105static int __init acer_wmi_init(void)
2106{
2107 int err;
2108
2109 pr_info("Acer Laptop ACPI-WMI Extras\n");
2110
2111 if (dmi_check_system(acer_blacklist)) {
2112 pr_info("Blacklisted hardware detected - not loading\n");
2113 return -ENODEV;
2114 }
2115
2116 find_quirks();
2117
2118 /*
2119 * Detect which ACPI-WMI interface we're using.
2120 */
2121 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2122 interface = &AMW0_V2_interface;
2123
2124 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2125 interface = &wmid_interface;
2126
2127 if (wmi_has_guid(WMID_GUID3))
2128 interface = &wmid_v2_interface;
2129
2130 if (interface)
2131 dmi_walk(type_aa_dmi_decode, NULL);
2132
2133 if (wmi_has_guid(WMID_GUID2) && interface) {
2134 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
2135 pr_err("Unable to detect available WMID devices\n");
2136 return -ENODEV;
2137 }
2138 /* WMID always provides brightness methods */
2139 interface->capability |= ACER_CAP_BRIGHTNESS;
2140 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
2141 pr_err("No WMID device detection method found\n");
2142 return -ENODEV;
2143 }
2144
2145 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2146 interface = &AMW0_interface;
2147
2148 if (ACPI_FAILURE(AMW0_set_capabilities())) {
2149 pr_err("Unable to detect available AMW0 devices\n");
2150 return -ENODEV;
2151 }
2152 }
2153
2154 if (wmi_has_guid(AMW0_GUID1))
2155 AMW0_find_mailled();
2156
2157 if (!interface) {
2158 pr_err("No or unsupported WMI interface, unable to load\n");
2159 return -ENODEV;
2160 }
2161
2162 set_quirks();
2163
2164 if (dmi_check_system(video_vendor_dmi_table))
2165 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2166
2167 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
2168 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2169
2170 if (wmi_has_guid(WMID_GUID3)) {
2171 if (ec_raw_mode) {
2172 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
2173 pr_err("Cannot enable EC raw mode\n");
2174 return -ENODEV;
2175 }
2176 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
2177 pr_err("Cannot enable Launch Manager mode\n");
2178 return -ENODEV;
2179 }
2180 } else if (ec_raw_mode) {
2181 pr_info("No WMID EC raw mode enable method\n");
2182 }
2183
2184 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2185 err = acer_wmi_input_setup();
2186 if (err)
2187 return err;
2188 }
2189
2190 acer_wmi_accel_setup();
2191
2192 err = platform_driver_register(&acer_platform_driver);
2193 if (err) {
2194 pr_err("Unable to register platform driver\n");
2195 goto error_platform_register;
2196 }
2197
2198 acer_platform_device = platform_device_alloc("acer-wmi", -1);
2199 if (!acer_platform_device) {
2200 err = -ENOMEM;
2201 goto error_device_alloc;
2202 }
2203
2204 err = platform_device_add(acer_platform_device);
2205 if (err)
2206 goto error_device_add;
2207
2208 if (wmi_has_guid(WMID_GUID2)) {
2209 interface->debug.wmid_devices = get_wmid_devices();
2210 err = create_debugfs();
2211 if (err)
2212 goto error_create_debugfs;
2213 }
2214
2215 /* Override any initial settings with values from the commandline */
2216 acer_commandline_init();
2217
2218 return 0;
2219
2220error_create_debugfs:
2221 platform_device_del(acer_platform_device);
2222error_device_add:
2223 platform_device_put(acer_platform_device);
2224error_device_alloc:
2225 platform_driver_unregister(&acer_platform_driver);
2226error_platform_register:
2227 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2228 acer_wmi_input_destroy();
2229 if (has_cap(ACER_CAP_ACCEL))
2230 acer_wmi_accel_destroy();
2231
2232 return err;
2233}
2234
2235static void __exit acer_wmi_exit(void)
2236{
2237 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2238 acer_wmi_input_destroy();
2239
2240 if (has_cap(ACER_CAP_ACCEL))
2241 acer_wmi_accel_destroy();
2242
2243 remove_debugfs();
2244 platform_device_unregister(acer_platform_device);
2245 platform_driver_unregister(&acer_platform_driver);
2246
2247 pr_info("Acer Laptop WMI Extras unloaded\n");
2248 return;
2249}
2250
2251module_init(acer_wmi_init);
2252module_exit(acer_wmi_exit);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Acer WMI Laptop Extras
4 *
5 * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
6 *
7 * Based on acer_acpi:
8 * Copyright (C) 2005-2007 E.M. Smith
9 * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com>
10 */
11
12#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13
14#include <linux/kernel.h>
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/types.h>
18#include <linux/dmi.h>
19#include <linux/backlight.h>
20#include <linux/leds.h>
21#include <linux/platform_device.h>
22#include <linux/platform_profile.h>
23#include <linux/acpi.h>
24#include <linux/i8042.h>
25#include <linux/rfkill.h>
26#include <linux/workqueue.h>
27#include <linux/debugfs.h>
28#include <linux/slab.h>
29#include <linux/input.h>
30#include <linux/input/sparse-keymap.h>
31#include <acpi/video.h>
32#include <linux/hwmon.h>
33#include <linux/bitfield.h>
34
35MODULE_AUTHOR("Carlos Corbacho");
36MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
37MODULE_LICENSE("GPL");
38
39/*
40 * Magic Number
41 * Meaning is unknown - this number is required for writing to ACPI for AMW0
42 * (it's also used in acerhk when directly accessing the BIOS)
43 */
44#define ACER_AMW0_WRITE 0x9610
45
46/*
47 * Bit masks for the AMW0 interface
48 */
49#define ACER_AMW0_WIRELESS_MASK 0x35
50#define ACER_AMW0_BLUETOOTH_MASK 0x34
51#define ACER_AMW0_MAILLED_MASK 0x31
52
53/*
54 * Method IDs for WMID interface
55 */
56#define ACER_WMID_GET_WIRELESS_METHODID 1
57#define ACER_WMID_GET_BLUETOOTH_METHODID 2
58#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
59#define ACER_WMID_SET_WIRELESS_METHODID 4
60#define ACER_WMID_SET_BLUETOOTH_METHODID 5
61#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
62#define ACER_WMID_GET_THREEG_METHODID 10
63#define ACER_WMID_SET_THREEG_METHODID 11
64
65#define ACER_WMID_SET_GAMING_LED_METHODID 2
66#define ACER_WMID_GET_GAMING_LED_METHODID 4
67#define ACER_WMID_GET_GAMING_SYS_INFO_METHODID 5
68#define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14
69#define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22
70
71#define ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET 0x54
72
73#define ACER_PREDATOR_V4_FAN_SPEED_READ_BIT_MASK GENMASK(20, 8)
74
75/*
76 * Acer ACPI method GUIDs
77 */
78#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
79#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
80#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
81#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
82#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
83#define WMID_GUID4 "7A4DDFE7-5B5D-40B4-8595-4408E0CC7F56"
84
85/*
86 * Acer ACPI event GUIDs
87 */
88#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
89
90MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
91MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
92MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
93
94enum acer_wmi_event_ids {
95 WMID_HOTKEY_EVENT = 0x1,
96 WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
97 WMID_GAMING_TURBO_KEY_EVENT = 0x7,
98 WMID_AC_EVENT = 0x8,
99};
100
101enum acer_wmi_predator_v4_sys_info_command {
102 ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS = 0x02,
103 ACER_WMID_CMD_GET_PREDATOR_V4_CPU_FAN_SPEED = 0x0201,
104 ACER_WMID_CMD_GET_PREDATOR_V4_GPU_FAN_SPEED = 0x0601,
105};
106
107static const struct key_entry acer_wmi_keymap[] __initconst = {
108 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
109 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
110 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
111 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
112 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
113 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
114 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
115 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
116 {KE_KEY, 0x27, {KEY_HELP} },
117 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
118 {KE_IGNORE, 0x41, {KEY_MUTE} },
119 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
120 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
121 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
122 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
123 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
124 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
125 {KE_IGNORE, 0x45, {KEY_STOP} },
126 {KE_IGNORE, 0x50, {KEY_STOP} },
127 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
128 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
129 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
130 /*
131 * 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event
132 * with the "Video Bus" input device events. But sometimes it is not
133 * a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that
134 * udev/hwdb can override it on systems where it is not a dup.
135 */
136 {KE_KEY, 0x61, {KEY_UNKNOWN} },
137 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
138 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
139 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
140 {KE_IGNORE, 0x81, {KEY_SLEEP} },
141 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
142 {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
143 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
144 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
145 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
146 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
147 {KE_KEY, 0x86, {KEY_WLAN} },
148 {KE_KEY, 0x87, {KEY_POWER} },
149 {KE_END, 0}
150};
151
152static struct input_dev *acer_wmi_input_dev;
153static struct input_dev *acer_wmi_accel_dev;
154
155struct event_return_value {
156 u8 function;
157 u8 key_num;
158 u16 device_state;
159 u16 reserved1;
160 u8 kbd_dock_state;
161 u8 reserved2;
162} __packed;
163
164/*
165 * GUID3 Get Device Status device flags
166 */
167#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
168#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
169#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
170#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
171#define ACER_WMID3_GDS_RFBTN (1<<14) /* RF Button */
172
173#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
174
175/* Hotkey Customized Setting and Acer Application Status.
176 * Set Device Default Value and Report Acer Application Status.
177 * When Acer Application starts, it will run this method to inform
178 * BIOS/EC that Acer Application is on.
179 * App Status
180 * Bit[0]: Launch Manager Status
181 * Bit[1]: ePM Status
182 * Bit[2]: Device Control Status
183 * Bit[3]: Acer Power Button Utility Status
184 * Bit[4]: RF Button Status
185 * Bit[5]: ODD PM Status
186 * Bit[6]: Device Default Value Control
187 * Bit[7]: Hall Sensor Application Status
188 */
189struct func_input_params {
190 u8 function_num; /* Function Number */
191 u16 commun_devices; /* Communication type devices default status */
192 u16 devices; /* Other type devices default status */
193 u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
194 u8 app_mask; /* Bit mask to app_status */
195 u8 reserved;
196} __packed;
197
198struct func_return_value {
199 u8 error_code; /* Error Code */
200 u8 ec_return_value; /* EC Return Value */
201 u16 reserved;
202} __packed;
203
204struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
205 u8 function_num; /* Function Number */
206 u8 hotkey_number; /* Hotkey Number */
207 u16 devices; /* Set Device */
208 u8 volume_value; /* Volume Value */
209} __packed;
210
211struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
212 u8 function_num; /* Function Number */
213 u8 hotkey_number; /* Hotkey Number */
214 u16 devices; /* Get Device */
215} __packed;
216
217struct wmid3_gds_return_value { /* Get Device Status return value*/
218 u8 error_code; /* Error Code */
219 u8 ec_return_value; /* EC Return Value */
220 u16 devices; /* Current Device Status */
221 u32 reserved;
222} __packed;
223
224struct hotkey_function_type_aa {
225 u8 type;
226 u8 length;
227 u16 handle;
228 u16 commun_func_bitmap;
229 u16 application_func_bitmap;
230 u16 media_func_bitmap;
231 u16 display_func_bitmap;
232 u16 others_func_bitmap;
233 u8 commun_fn_key_number;
234} __packed;
235
236/*
237 * Interface capability flags
238 */
239#define ACER_CAP_MAILLED BIT(0)
240#define ACER_CAP_WIRELESS BIT(1)
241#define ACER_CAP_BLUETOOTH BIT(2)
242#define ACER_CAP_BRIGHTNESS BIT(3)
243#define ACER_CAP_THREEG BIT(4)
244#define ACER_CAP_SET_FUNCTION_MODE BIT(5)
245#define ACER_CAP_KBD_DOCK BIT(6)
246#define ACER_CAP_TURBO_OC BIT(7)
247#define ACER_CAP_TURBO_LED BIT(8)
248#define ACER_CAP_TURBO_FAN BIT(9)
249#define ACER_CAP_PLATFORM_PROFILE BIT(10)
250#define ACER_CAP_FAN_SPEED_READ BIT(11)
251
252/*
253 * Interface type flags
254 */
255enum interface_flags {
256 ACER_AMW0,
257 ACER_AMW0_V2,
258 ACER_WMID,
259 ACER_WMID_v2,
260};
261
262static int max_brightness = 0xF;
263
264static int mailled = -1;
265static int brightness = -1;
266static int threeg = -1;
267static int force_series;
268static int force_caps = -1;
269static bool ec_raw_mode;
270static bool has_type_aa;
271static u16 commun_func_bitmap;
272static u8 commun_fn_key_number;
273static bool cycle_gaming_thermal_profile = true;
274static bool predator_v4;
275
276module_param(mailled, int, 0444);
277module_param(brightness, int, 0444);
278module_param(threeg, int, 0444);
279module_param(force_series, int, 0444);
280module_param(force_caps, int, 0444);
281module_param(ec_raw_mode, bool, 0444);
282module_param(cycle_gaming_thermal_profile, bool, 0644);
283module_param(predator_v4, bool, 0444);
284MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
285MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
286MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
287MODULE_PARM_DESC(force_series, "Force a different laptop series");
288MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
289MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
290MODULE_PARM_DESC(cycle_gaming_thermal_profile,
291 "Set thermal mode key in cycle mode. Disabling it sets the mode key in turbo toggle mode");
292MODULE_PARM_DESC(predator_v4,
293 "Enable features for predator laptops that use predator sense v4");
294
295struct acer_data {
296 int mailled;
297 int threeg;
298 int brightness;
299};
300
301struct acer_debug {
302 struct dentry *root;
303 u32 wmid_devices;
304};
305
306static struct rfkill *wireless_rfkill;
307static struct rfkill *bluetooth_rfkill;
308static struct rfkill *threeg_rfkill;
309static bool rfkill_inited;
310
311/* Each low-level interface must define at least some of the following */
312struct wmi_interface {
313 /* The WMI device type */
314 u32 type;
315
316 /* The capabilities this interface provides */
317 u32 capability;
318
319 /* Private data for the current interface */
320 struct acer_data data;
321
322 /* debugfs entries associated with this interface */
323 struct acer_debug debug;
324};
325
326/* The static interface pointer, points to the currently detected interface */
327static struct wmi_interface *interface;
328
329/*
330 * Embedded Controller quirks
331 * Some laptops require us to directly access the EC to either enable or query
332 * features that are not available through WMI.
333 */
334
335struct quirk_entry {
336 u8 wireless;
337 u8 mailled;
338 s8 brightness;
339 u8 bluetooth;
340 u8 turbo;
341 u8 cpu_fans;
342 u8 gpu_fans;
343 u8 predator_v4;
344};
345
346static struct quirk_entry *quirks;
347
348static void __init set_quirks(void)
349{
350 if (quirks->mailled)
351 interface->capability |= ACER_CAP_MAILLED;
352
353 if (quirks->brightness)
354 interface->capability |= ACER_CAP_BRIGHTNESS;
355
356 if (quirks->turbo)
357 interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED
358 | ACER_CAP_TURBO_FAN;
359
360 if (quirks->predator_v4)
361 interface->capability |= ACER_CAP_PLATFORM_PROFILE |
362 ACER_CAP_FAN_SPEED_READ;
363}
364
365static int __init dmi_matched(const struct dmi_system_id *dmi)
366{
367 quirks = dmi->driver_data;
368 return 1;
369}
370
371static int __init set_force_caps(const struct dmi_system_id *dmi)
372{
373 if (force_caps == -1) {
374 force_caps = (uintptr_t)dmi->driver_data;
375 pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
376 }
377 return 1;
378}
379
380static struct quirk_entry quirk_unknown = {
381};
382
383static struct quirk_entry quirk_acer_aspire_1520 = {
384 .brightness = -1,
385};
386
387static struct quirk_entry quirk_acer_travelmate_2490 = {
388 .mailled = 1,
389};
390
391static struct quirk_entry quirk_acer_predator_ph315_53 = {
392 .turbo = 1,
393 .cpu_fans = 1,
394 .gpu_fans = 1,
395};
396
397static struct quirk_entry quirk_acer_predator_ph16_72 = {
398 .turbo = 1,
399 .cpu_fans = 1,
400 .gpu_fans = 1,
401 .predator_v4 = 1,
402};
403
404static struct quirk_entry quirk_acer_predator_pt14_51 = {
405 .turbo = 1,
406 .cpu_fans = 1,
407 .gpu_fans = 1,
408 .predator_v4 = 1,
409};
410
411static struct quirk_entry quirk_acer_predator_v4 = {
412 .predator_v4 = 1,
413};
414
415/* This AMW0 laptop has no bluetooth */
416static struct quirk_entry quirk_medion_md_98300 = {
417 .wireless = 1,
418};
419
420static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
421 .wireless = 2,
422};
423
424static struct quirk_entry quirk_lenovo_ideapad_s205 = {
425 .wireless = 3,
426};
427
428/* The Aspire One has a dummy ACPI-WMI interface - disable it */
429static const struct dmi_system_id acer_blacklist[] __initconst = {
430 {
431 .ident = "Acer Aspire One (SSD)",
432 .matches = {
433 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
434 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
435 },
436 },
437 {
438 .ident = "Acer Aspire One (HDD)",
439 .matches = {
440 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
441 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
442 },
443 },
444 {}
445};
446
447static const struct dmi_system_id amw0_whitelist[] __initconst = {
448 {
449 .ident = "Acer",
450 .matches = {
451 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
452 },
453 },
454 {
455 .ident = "Gateway",
456 .matches = {
457 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
458 },
459 },
460 {
461 .ident = "Packard Bell",
462 .matches = {
463 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
464 },
465 },
466 {}
467};
468
469/*
470 * This quirk table is only for Acer/Gateway/Packard Bell family
471 * that those machines are supported by acer-wmi driver.
472 */
473static const struct dmi_system_id acer_quirks[] __initconst = {
474 {
475 .callback = dmi_matched,
476 .ident = "Acer Aspire 1360",
477 .matches = {
478 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
479 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
480 },
481 .driver_data = &quirk_acer_aspire_1520,
482 },
483 {
484 .callback = dmi_matched,
485 .ident = "Acer Aspire 1520",
486 .matches = {
487 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
488 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
489 },
490 .driver_data = &quirk_acer_aspire_1520,
491 },
492 {
493 .callback = dmi_matched,
494 .ident = "Acer Aspire 3100",
495 .matches = {
496 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
497 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
498 },
499 .driver_data = &quirk_acer_travelmate_2490,
500 },
501 {
502 .callback = dmi_matched,
503 .ident = "Acer Aspire 3610",
504 .matches = {
505 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
506 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
507 },
508 .driver_data = &quirk_acer_travelmate_2490,
509 },
510 {
511 .callback = dmi_matched,
512 .ident = "Acer Aspire 5100",
513 .matches = {
514 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
515 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
516 },
517 .driver_data = &quirk_acer_travelmate_2490,
518 },
519 {
520 .callback = dmi_matched,
521 .ident = "Acer Aspire 5610",
522 .matches = {
523 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
524 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
525 },
526 .driver_data = &quirk_acer_travelmate_2490,
527 },
528 {
529 .callback = dmi_matched,
530 .ident = "Acer Aspire 5630",
531 .matches = {
532 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
533 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
534 },
535 .driver_data = &quirk_acer_travelmate_2490,
536 },
537 {
538 .callback = dmi_matched,
539 .ident = "Acer Aspire 5650",
540 .matches = {
541 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
542 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
543 },
544 .driver_data = &quirk_acer_travelmate_2490,
545 },
546 {
547 .callback = dmi_matched,
548 .ident = "Acer Aspire 5680",
549 .matches = {
550 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
551 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
552 },
553 .driver_data = &quirk_acer_travelmate_2490,
554 },
555 {
556 .callback = dmi_matched,
557 .ident = "Acer Aspire 9110",
558 .matches = {
559 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
560 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
561 },
562 .driver_data = &quirk_acer_travelmate_2490,
563 },
564 {
565 .callback = dmi_matched,
566 .ident = "Acer TravelMate 2490",
567 .matches = {
568 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
569 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
570 },
571 .driver_data = &quirk_acer_travelmate_2490,
572 },
573 {
574 .callback = dmi_matched,
575 .ident = "Acer TravelMate 4200",
576 .matches = {
577 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
578 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
579 },
580 .driver_data = &quirk_acer_travelmate_2490,
581 },
582 {
583 .callback = dmi_matched,
584 .ident = "Acer Nitro AN515-58",
585 .matches = {
586 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
587 DMI_MATCH(DMI_PRODUCT_NAME, "Nitro AN515-58"),
588 },
589 .driver_data = &quirk_acer_predator_v4,
590 },
591 {
592 .callback = dmi_matched,
593 .ident = "Acer Predator PH315-53",
594 .matches = {
595 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
596 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"),
597 },
598 .driver_data = &quirk_acer_predator_ph315_53,
599 },
600 {
601 .callback = dmi_matched,
602 .ident = "Acer Predator PHN16-71",
603 .matches = {
604 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
605 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PHN16-71"),
606 },
607 .driver_data = &quirk_acer_predator_v4,
608 },
609 {
610 .callback = dmi_matched,
611 .ident = "Acer Predator PH16-71",
612 .matches = {
613 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
614 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-71"),
615 },
616 .driver_data = &quirk_acer_predator_v4,
617 },
618 {
619 .callback = dmi_matched,
620 .ident = "Acer Predator PH16-72",
621 .matches = {
622 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
623 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-72"),
624 },
625 .driver_data = &quirk_acer_predator_ph16_72,
626 },
627 {
628 .callback = dmi_matched,
629 .ident = "Acer Predator PH18-71",
630 .matches = {
631 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
632 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH18-71"),
633 },
634 .driver_data = &quirk_acer_predator_v4,
635 },
636 {
637 .callback = dmi_matched,
638 .ident = "Acer Predator PT14-51",
639 .matches = {
640 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
641 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PT14-51"),
642 },
643 .driver_data = &quirk_acer_predator_pt14_51,
644 },
645 {
646 .callback = set_force_caps,
647 .ident = "Acer Aspire Switch 10E SW3-016",
648 .matches = {
649 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
650 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
651 },
652 .driver_data = (void *)ACER_CAP_KBD_DOCK,
653 },
654 {
655 .callback = set_force_caps,
656 .ident = "Acer Aspire Switch 10 SW5-012",
657 .matches = {
658 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
659 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
660 },
661 .driver_data = (void *)ACER_CAP_KBD_DOCK,
662 },
663 {
664 .callback = set_force_caps,
665 .ident = "Acer Aspire Switch V 10 SW5-017",
666 .matches = {
667 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
668 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
669 },
670 .driver_data = (void *)ACER_CAP_KBD_DOCK,
671 },
672 {
673 .callback = set_force_caps,
674 .ident = "Acer One 10 (S1003)",
675 .matches = {
676 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
677 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
678 },
679 .driver_data = (void *)ACER_CAP_KBD_DOCK,
680 },
681 {}
682};
683
684/*
685 * This quirk list is for those non-acer machines that have AMW0_GUID1
686 * but supported by acer-wmi in past days. Keeping this quirk list here
687 * is only for backward compatible. Please do not add new machine to
688 * here anymore. Those non-acer machines should be supported by
689 * appropriate wmi drivers.
690 */
691static const struct dmi_system_id non_acer_quirks[] __initconst = {
692 {
693 .callback = dmi_matched,
694 .ident = "Fujitsu Siemens Amilo Li 1718",
695 .matches = {
696 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
697 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
698 },
699 .driver_data = &quirk_fujitsu_amilo_li_1718,
700 },
701 {
702 .callback = dmi_matched,
703 .ident = "Medion MD 98300",
704 .matches = {
705 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
706 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
707 },
708 .driver_data = &quirk_medion_md_98300,
709 },
710 {
711 .callback = dmi_matched,
712 .ident = "Lenovo Ideapad S205",
713 .matches = {
714 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
715 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
716 },
717 .driver_data = &quirk_lenovo_ideapad_s205,
718 },
719 {
720 .callback = dmi_matched,
721 .ident = "Lenovo Ideapad S205 (Brazos)",
722 .matches = {
723 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
724 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
725 },
726 .driver_data = &quirk_lenovo_ideapad_s205,
727 },
728 {
729 .callback = dmi_matched,
730 .ident = "Lenovo 3000 N200",
731 .matches = {
732 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
733 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
734 },
735 .driver_data = &quirk_fujitsu_amilo_li_1718,
736 },
737 {
738 .callback = dmi_matched,
739 .ident = "Lenovo Ideapad S205-10382JG",
740 .matches = {
741 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
742 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
743 },
744 .driver_data = &quirk_lenovo_ideapad_s205,
745 },
746 {
747 .callback = dmi_matched,
748 .ident = "Lenovo Ideapad S205-1038DPG",
749 .matches = {
750 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
751 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
752 },
753 .driver_data = &quirk_lenovo_ideapad_s205,
754 },
755 {}
756};
757
758static struct platform_profile_handler platform_profile_handler;
759static bool platform_profile_support;
760
761/*
762 * The profile used before turbo mode. This variable is needed for
763 * returning from turbo mode when the mode key is in toggle mode.
764 */
765static int last_non_turbo_profile;
766
767enum acer_predator_v4_thermal_profile_ec {
768 ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x04,
769 ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x03,
770 ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x02,
771 ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x01,
772 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x00,
773};
774
775enum acer_predator_v4_thermal_profile_wmi {
776 ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI = 0x060B,
777 ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI = 0x050B,
778 ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI = 0x040B,
779 ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI = 0x0B,
780 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI = 0x010B,
781};
782
783/* Find which quirks are needed for a particular vendor/ model pair */
784static void __init find_quirks(void)
785{
786 if (predator_v4) {
787 quirks = &quirk_acer_predator_v4;
788 } else if (!force_series) {
789 dmi_check_system(acer_quirks);
790 dmi_check_system(non_acer_quirks);
791 } else if (force_series == 2490) {
792 quirks = &quirk_acer_travelmate_2490;
793 }
794
795 if (quirks == NULL)
796 quirks = &quirk_unknown;
797}
798
799/*
800 * General interface convenience methods
801 */
802
803static bool has_cap(u32 cap)
804{
805 return interface->capability & cap;
806}
807
808/*
809 * AMW0 (V1) interface
810 */
811struct wmab_args {
812 u32 eax;
813 u32 ebx;
814 u32 ecx;
815 u32 edx;
816};
817
818struct wmab_ret {
819 u32 eax;
820 u32 ebx;
821 u32 ecx;
822 u32 edx;
823 u32 eex;
824};
825
826static acpi_status wmab_execute(struct wmab_args *regbuf,
827struct acpi_buffer *result)
828{
829 struct acpi_buffer input;
830 acpi_status status;
831 input.length = sizeof(struct wmab_args);
832 input.pointer = (u8 *)regbuf;
833
834 status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
835
836 return status;
837}
838
839static acpi_status AMW0_get_u32(u32 *value, u32 cap)
840{
841 int err;
842 u8 result;
843
844 switch (cap) {
845 case ACER_CAP_MAILLED:
846 switch (quirks->mailled) {
847 default:
848 err = ec_read(0xA, &result);
849 if (err)
850 return AE_ERROR;
851 *value = (result >> 7) & 0x1;
852 return AE_OK;
853 }
854 break;
855 case ACER_CAP_WIRELESS:
856 switch (quirks->wireless) {
857 case 1:
858 err = ec_read(0x7B, &result);
859 if (err)
860 return AE_ERROR;
861 *value = result & 0x1;
862 return AE_OK;
863 case 2:
864 err = ec_read(0x71, &result);
865 if (err)
866 return AE_ERROR;
867 *value = result & 0x1;
868 return AE_OK;
869 case 3:
870 err = ec_read(0x78, &result);
871 if (err)
872 return AE_ERROR;
873 *value = result & 0x1;
874 return AE_OK;
875 default:
876 err = ec_read(0xA, &result);
877 if (err)
878 return AE_ERROR;
879 *value = (result >> 2) & 0x1;
880 return AE_OK;
881 }
882 break;
883 case ACER_CAP_BLUETOOTH:
884 switch (quirks->bluetooth) {
885 default:
886 err = ec_read(0xA, &result);
887 if (err)
888 return AE_ERROR;
889 *value = (result >> 4) & 0x1;
890 return AE_OK;
891 }
892 break;
893 case ACER_CAP_BRIGHTNESS:
894 switch (quirks->brightness) {
895 default:
896 err = ec_read(0x83, &result);
897 if (err)
898 return AE_ERROR;
899 *value = result;
900 return AE_OK;
901 }
902 break;
903 default:
904 return AE_ERROR;
905 }
906 return AE_OK;
907}
908
909static acpi_status AMW0_set_u32(u32 value, u32 cap)
910{
911 struct wmab_args args;
912
913 args.eax = ACER_AMW0_WRITE;
914 args.ebx = value ? (1<<8) : 0;
915 args.ecx = args.edx = 0;
916
917 switch (cap) {
918 case ACER_CAP_MAILLED:
919 if (value > 1)
920 return AE_BAD_PARAMETER;
921 args.ebx |= ACER_AMW0_MAILLED_MASK;
922 break;
923 case ACER_CAP_WIRELESS:
924 if (value > 1)
925 return AE_BAD_PARAMETER;
926 args.ebx |= ACER_AMW0_WIRELESS_MASK;
927 break;
928 case ACER_CAP_BLUETOOTH:
929 if (value > 1)
930 return AE_BAD_PARAMETER;
931 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
932 break;
933 case ACER_CAP_BRIGHTNESS:
934 if (value > max_brightness)
935 return AE_BAD_PARAMETER;
936 switch (quirks->brightness) {
937 default:
938 return ec_write(0x83, value);
939 }
940 default:
941 return AE_ERROR;
942 }
943
944 /* Actually do the set */
945 return wmab_execute(&args, NULL);
946}
947
948static acpi_status __init AMW0_find_mailled(void)
949{
950 struct wmab_args args;
951 struct wmab_ret ret;
952 acpi_status status = AE_OK;
953 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
954 union acpi_object *obj;
955
956 args.eax = 0x86;
957 args.ebx = args.ecx = args.edx = 0;
958
959 status = wmab_execute(&args, &out);
960 if (ACPI_FAILURE(status))
961 return status;
962
963 obj = (union acpi_object *) out.pointer;
964 if (obj && obj->type == ACPI_TYPE_BUFFER &&
965 obj->buffer.length == sizeof(struct wmab_ret)) {
966 ret = *((struct wmab_ret *) obj->buffer.pointer);
967 } else {
968 kfree(out.pointer);
969 return AE_ERROR;
970 }
971
972 if (ret.eex & 0x1)
973 interface->capability |= ACER_CAP_MAILLED;
974
975 kfree(out.pointer);
976
977 return AE_OK;
978}
979
980static const struct acpi_device_id norfkill_ids[] __initconst = {
981 { "VPC2004", 0},
982 { "IBM0068", 0},
983 { "LEN0068", 0},
984 { "SNY5001", 0}, /* sony-laptop in charge */
985 { "HPQ6601", 0},
986 { "", 0},
987};
988
989static int __init AMW0_set_cap_acpi_check_device(void)
990{
991 const struct acpi_device_id *id;
992
993 for (id = norfkill_ids; id->id[0]; id++)
994 if (acpi_dev_found(id->id))
995 return true;
996
997 return false;
998}
999
1000static acpi_status __init AMW0_set_capabilities(void)
1001{
1002 struct wmab_args args;
1003 struct wmab_ret ret;
1004 acpi_status status;
1005 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
1006 union acpi_object *obj;
1007
1008 /*
1009 * On laptops with this strange GUID (non Acer), normal probing doesn't
1010 * work.
1011 */
1012 if (wmi_has_guid(AMW0_GUID2)) {
1013 if ((quirks != &quirk_unknown) ||
1014 !AMW0_set_cap_acpi_check_device())
1015 interface->capability |= ACER_CAP_WIRELESS;
1016 return AE_OK;
1017 }
1018
1019 args.eax = ACER_AMW0_WRITE;
1020 args.ecx = args.edx = 0;
1021
1022 args.ebx = 0xa2 << 8;
1023 args.ebx |= ACER_AMW0_WIRELESS_MASK;
1024
1025 status = wmab_execute(&args, &out);
1026 if (ACPI_FAILURE(status))
1027 return status;
1028
1029 obj = out.pointer;
1030 if (obj && obj->type == ACPI_TYPE_BUFFER &&
1031 obj->buffer.length == sizeof(struct wmab_ret)) {
1032 ret = *((struct wmab_ret *) obj->buffer.pointer);
1033 } else {
1034 status = AE_ERROR;
1035 goto out;
1036 }
1037
1038 if (ret.eax & 0x1)
1039 interface->capability |= ACER_CAP_WIRELESS;
1040
1041 args.ebx = 2 << 8;
1042 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
1043
1044 /*
1045 * It's ok to use existing buffer for next wmab_execute call.
1046 * But we need to kfree(out.pointer) if next wmab_execute fail.
1047 */
1048 status = wmab_execute(&args, &out);
1049 if (ACPI_FAILURE(status))
1050 goto out;
1051
1052 obj = (union acpi_object *) out.pointer;
1053 if (obj && obj->type == ACPI_TYPE_BUFFER
1054 && obj->buffer.length == sizeof(struct wmab_ret)) {
1055 ret = *((struct wmab_ret *) obj->buffer.pointer);
1056 } else {
1057 status = AE_ERROR;
1058 goto out;
1059 }
1060
1061 if (ret.eax & 0x1)
1062 interface->capability |= ACER_CAP_BLUETOOTH;
1063
1064 /*
1065 * This appears to be safe to enable, since all Wistron based laptops
1066 * appear to use the same EC register for brightness, even if they
1067 * differ for wireless, etc
1068 */
1069 if (quirks->brightness >= 0)
1070 interface->capability |= ACER_CAP_BRIGHTNESS;
1071
1072 status = AE_OK;
1073out:
1074 kfree(out.pointer);
1075 return status;
1076}
1077
1078static struct wmi_interface AMW0_interface = {
1079 .type = ACER_AMW0,
1080};
1081
1082static struct wmi_interface AMW0_V2_interface = {
1083 .type = ACER_AMW0_V2,
1084};
1085
1086/*
1087 * New interface (The WMID interface)
1088 */
1089static acpi_status
1090WMI_execute_u32(u32 method_id, u32 in, u32 *out)
1091{
1092 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
1093 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1094 union acpi_object *obj;
1095 u32 tmp = 0;
1096 acpi_status status;
1097
1098 status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
1099
1100 if (ACPI_FAILURE(status))
1101 return status;
1102
1103 obj = (union acpi_object *) result.pointer;
1104 if (obj) {
1105 if (obj->type == ACPI_TYPE_BUFFER &&
1106 (obj->buffer.length == sizeof(u32) ||
1107 obj->buffer.length == sizeof(u64))) {
1108 tmp = *((u32 *) obj->buffer.pointer);
1109 } else if (obj->type == ACPI_TYPE_INTEGER) {
1110 tmp = (u32) obj->integer.value;
1111 }
1112 }
1113
1114 if (out)
1115 *out = tmp;
1116
1117 kfree(result.pointer);
1118
1119 return status;
1120}
1121
1122static acpi_status WMID_get_u32(u32 *value, u32 cap)
1123{
1124 acpi_status status;
1125 u8 tmp;
1126 u32 result, method_id = 0;
1127
1128 switch (cap) {
1129 case ACER_CAP_WIRELESS:
1130 method_id = ACER_WMID_GET_WIRELESS_METHODID;
1131 break;
1132 case ACER_CAP_BLUETOOTH:
1133 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
1134 break;
1135 case ACER_CAP_BRIGHTNESS:
1136 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
1137 break;
1138 case ACER_CAP_THREEG:
1139 method_id = ACER_WMID_GET_THREEG_METHODID;
1140 break;
1141 case ACER_CAP_MAILLED:
1142 if (quirks->mailled == 1) {
1143 ec_read(0x9f, &tmp);
1144 *value = tmp & 0x1;
1145 return 0;
1146 }
1147 fallthrough;
1148 default:
1149 return AE_ERROR;
1150 }
1151 status = WMI_execute_u32(method_id, 0, &result);
1152
1153 if (ACPI_SUCCESS(status))
1154 *value = (u8)result;
1155
1156 return status;
1157}
1158
1159static acpi_status WMID_set_u32(u32 value, u32 cap)
1160{
1161 u32 method_id = 0;
1162 char param;
1163
1164 switch (cap) {
1165 case ACER_CAP_BRIGHTNESS:
1166 if (value > max_brightness)
1167 return AE_BAD_PARAMETER;
1168 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1169 break;
1170 case ACER_CAP_WIRELESS:
1171 if (value > 1)
1172 return AE_BAD_PARAMETER;
1173 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1174 break;
1175 case ACER_CAP_BLUETOOTH:
1176 if (value > 1)
1177 return AE_BAD_PARAMETER;
1178 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1179 break;
1180 case ACER_CAP_THREEG:
1181 if (value > 1)
1182 return AE_BAD_PARAMETER;
1183 method_id = ACER_WMID_SET_THREEG_METHODID;
1184 break;
1185 case ACER_CAP_MAILLED:
1186 if (value > 1)
1187 return AE_BAD_PARAMETER;
1188 if (quirks->mailled == 1) {
1189 param = value ? 0x92 : 0x93;
1190 i8042_lock_chip();
1191 i8042_command(¶m, 0x1059);
1192 i8042_unlock_chip();
1193 return 0;
1194 }
1195 break;
1196 default:
1197 return AE_ERROR;
1198 }
1199 return WMI_execute_u32(method_id, (u32)value, NULL);
1200}
1201
1202static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1203{
1204 struct wmid3_gds_return_value return_value;
1205 acpi_status status;
1206 union acpi_object *obj;
1207 struct wmid3_gds_get_input_param params = {
1208 .function_num = 0x1,
1209 .hotkey_number = commun_fn_key_number,
1210 .devices = device,
1211 };
1212 struct acpi_buffer input = {
1213 sizeof(struct wmid3_gds_get_input_param),
1214 ¶ms
1215 };
1216 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1217
1218 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1219 if (ACPI_FAILURE(status))
1220 return status;
1221
1222 obj = output.pointer;
1223
1224 if (!obj)
1225 return AE_ERROR;
1226 else if (obj->type != ACPI_TYPE_BUFFER) {
1227 kfree(obj);
1228 return AE_ERROR;
1229 }
1230 if (obj->buffer.length != 8) {
1231 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1232 kfree(obj);
1233 return AE_ERROR;
1234 }
1235
1236 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1237 kfree(obj);
1238
1239 if (return_value.error_code || return_value.ec_return_value)
1240 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1241 device,
1242 return_value.error_code,
1243 return_value.ec_return_value);
1244 else
1245 *value = !!(return_value.devices & device);
1246
1247 return status;
1248}
1249
1250static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1251{
1252 u16 device;
1253
1254 switch (cap) {
1255 case ACER_CAP_WIRELESS:
1256 device = ACER_WMID3_GDS_WIRELESS;
1257 break;
1258 case ACER_CAP_BLUETOOTH:
1259 device = ACER_WMID3_GDS_BLUETOOTH;
1260 break;
1261 case ACER_CAP_THREEG:
1262 device = ACER_WMID3_GDS_THREEG;
1263 break;
1264 default:
1265 return AE_ERROR;
1266 }
1267 return wmid3_get_device_status(value, device);
1268}
1269
1270static acpi_status wmid3_set_device_status(u32 value, u16 device)
1271{
1272 struct wmid3_gds_return_value return_value;
1273 acpi_status status;
1274 union acpi_object *obj;
1275 u16 devices;
1276 struct wmid3_gds_get_input_param get_params = {
1277 .function_num = 0x1,
1278 .hotkey_number = commun_fn_key_number,
1279 .devices = commun_func_bitmap,
1280 };
1281 struct acpi_buffer get_input = {
1282 sizeof(struct wmid3_gds_get_input_param),
1283 &get_params
1284 };
1285 struct wmid3_gds_set_input_param set_params = {
1286 .function_num = 0x2,
1287 .hotkey_number = commun_fn_key_number,
1288 .devices = commun_func_bitmap,
1289 };
1290 struct acpi_buffer set_input = {
1291 sizeof(struct wmid3_gds_set_input_param),
1292 &set_params
1293 };
1294 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1295 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1296
1297 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
1298 if (ACPI_FAILURE(status))
1299 return status;
1300
1301 obj = output.pointer;
1302
1303 if (!obj)
1304 return AE_ERROR;
1305 else if (obj->type != ACPI_TYPE_BUFFER) {
1306 kfree(obj);
1307 return AE_ERROR;
1308 }
1309 if (obj->buffer.length != 8) {
1310 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1311 kfree(obj);
1312 return AE_ERROR;
1313 }
1314
1315 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1316 kfree(obj);
1317
1318 if (return_value.error_code || return_value.ec_return_value) {
1319 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1320 return_value.error_code,
1321 return_value.ec_return_value);
1322 return status;
1323 }
1324
1325 devices = return_value.devices;
1326 set_params.devices = (value) ? (devices | device) : (devices & ~device);
1327
1328 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
1329 if (ACPI_FAILURE(status))
1330 return status;
1331
1332 obj = output2.pointer;
1333
1334 if (!obj)
1335 return AE_ERROR;
1336 else if (obj->type != ACPI_TYPE_BUFFER) {
1337 kfree(obj);
1338 return AE_ERROR;
1339 }
1340 if (obj->buffer.length != 4) {
1341 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1342 kfree(obj);
1343 return AE_ERROR;
1344 }
1345
1346 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1347 kfree(obj);
1348
1349 if (return_value.error_code || return_value.ec_return_value)
1350 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1351 return_value.error_code,
1352 return_value.ec_return_value);
1353
1354 return status;
1355}
1356
1357static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1358{
1359 u16 device;
1360
1361 switch (cap) {
1362 case ACER_CAP_WIRELESS:
1363 device = ACER_WMID3_GDS_WIRELESS;
1364 break;
1365 case ACER_CAP_BLUETOOTH:
1366 device = ACER_WMID3_GDS_BLUETOOTH;
1367 break;
1368 case ACER_CAP_THREEG:
1369 device = ACER_WMID3_GDS_THREEG;
1370 break;
1371 default:
1372 return AE_ERROR;
1373 }
1374 return wmid3_set_device_status(value, device);
1375}
1376
1377static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
1378{
1379 struct hotkey_function_type_aa *type_aa;
1380
1381 /* We are looking for OEM-specific Type AAh */
1382 if (header->type != 0xAA)
1383 return;
1384
1385 has_type_aa = true;
1386 type_aa = (struct hotkey_function_type_aa *) header;
1387
1388 pr_info("Function bitmap for Communication Button: 0x%x\n",
1389 type_aa->commun_func_bitmap);
1390 commun_func_bitmap = type_aa->commun_func_bitmap;
1391
1392 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1393 interface->capability |= ACER_CAP_WIRELESS;
1394 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1395 interface->capability |= ACER_CAP_THREEG;
1396 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1397 interface->capability |= ACER_CAP_BLUETOOTH;
1398 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
1399 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
1400
1401 commun_fn_key_number = type_aa->commun_fn_key_number;
1402}
1403
1404static acpi_status __init WMID_set_capabilities(void)
1405{
1406 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1407 union acpi_object *obj;
1408 acpi_status status;
1409 u32 devices;
1410
1411 status = wmi_query_block(WMID_GUID2, 0, &out);
1412 if (ACPI_FAILURE(status))
1413 return status;
1414
1415 obj = (union acpi_object *) out.pointer;
1416 if (obj) {
1417 if (obj->type == ACPI_TYPE_BUFFER &&
1418 (obj->buffer.length == sizeof(u32) ||
1419 obj->buffer.length == sizeof(u64))) {
1420 devices = *((u32 *) obj->buffer.pointer);
1421 } else if (obj->type == ACPI_TYPE_INTEGER) {
1422 devices = (u32) obj->integer.value;
1423 } else {
1424 kfree(out.pointer);
1425 return AE_ERROR;
1426 }
1427 } else {
1428 kfree(out.pointer);
1429 return AE_ERROR;
1430 }
1431
1432 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1433 if (devices & 0x07)
1434 interface->capability |= ACER_CAP_WIRELESS;
1435 if (devices & 0x40)
1436 interface->capability |= ACER_CAP_THREEG;
1437 if (devices & 0x10)
1438 interface->capability |= ACER_CAP_BLUETOOTH;
1439
1440 if (!(devices & 0x20))
1441 max_brightness = 0x9;
1442
1443 kfree(out.pointer);
1444 return status;
1445}
1446
1447static struct wmi_interface wmid_interface = {
1448 .type = ACER_WMID,
1449};
1450
1451static struct wmi_interface wmid_v2_interface = {
1452 .type = ACER_WMID_v2,
1453};
1454
1455/*
1456 * WMID Gaming interface
1457 */
1458
1459static acpi_status
1460WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out)
1461{
1462 struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) };
1463 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1464 union acpi_object *obj;
1465 u64 tmp = 0;
1466 acpi_status status;
1467
1468 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1469
1470 if (ACPI_FAILURE(status))
1471 return status;
1472 obj = (union acpi_object *) result.pointer;
1473
1474 if (obj) {
1475 if (obj->type == ACPI_TYPE_BUFFER) {
1476 if (obj->buffer.length == sizeof(u32))
1477 tmp = *((u32 *) obj->buffer.pointer);
1478 else if (obj->buffer.length == sizeof(u64))
1479 tmp = *((u64 *) obj->buffer.pointer);
1480 } else if (obj->type == ACPI_TYPE_INTEGER) {
1481 tmp = (u64) obj->integer.value;
1482 }
1483 }
1484
1485 if (out)
1486 *out = tmp;
1487
1488 kfree(result.pointer);
1489
1490 return status;
1491}
1492
1493static acpi_status WMID_gaming_set_u64(u64 value, u32 cap)
1494{
1495 u32 method_id = 0;
1496
1497 if (!(interface->capability & cap))
1498 return AE_BAD_PARAMETER;
1499
1500 switch (cap) {
1501 case ACER_CAP_TURBO_LED:
1502 method_id = ACER_WMID_SET_GAMING_LED_METHODID;
1503 break;
1504 case ACER_CAP_TURBO_FAN:
1505 method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR;
1506 break;
1507 case ACER_CAP_TURBO_OC:
1508 method_id = ACER_WMID_SET_GAMING_MISC_SETTING_METHODID;
1509 break;
1510 default:
1511 return AE_BAD_PARAMETER;
1512 }
1513
1514 return WMI_gaming_execute_u64(method_id, value, NULL);
1515}
1516
1517static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap)
1518{
1519 acpi_status status;
1520 u64 result;
1521 u64 input;
1522 u32 method_id;
1523
1524 if (!(interface->capability & cap))
1525 return AE_BAD_PARAMETER;
1526
1527 switch (cap) {
1528 case ACER_CAP_TURBO_LED:
1529 method_id = ACER_WMID_GET_GAMING_LED_METHODID;
1530 input = 0x1;
1531 break;
1532 default:
1533 return AE_BAD_PARAMETER;
1534 }
1535 status = WMI_gaming_execute_u64(method_id, input, &result);
1536 if (ACPI_SUCCESS(status))
1537 *value = (u64) result;
1538
1539 return status;
1540}
1541
1542static void WMID_gaming_set_fan_mode(u8 fan_mode)
1543{
1544 /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/
1545 u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0;
1546 int i;
1547
1548 if (quirks->cpu_fans > 0)
1549 gpu_fan_config2 |= 1;
1550 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1551 gpu_fan_config2 |= 1 << (i + 1);
1552 for (i = 0; i < quirks->gpu_fans; ++i)
1553 gpu_fan_config2 |= 1 << (i + 3);
1554 if (quirks->cpu_fans > 0)
1555 gpu_fan_config1 |= fan_mode;
1556 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1557 gpu_fan_config1 |= fan_mode << (2 * i + 2);
1558 for (i = 0; i < quirks->gpu_fans; ++i)
1559 gpu_fan_config1 |= fan_mode << (2 * i + 6);
1560 WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN);
1561}
1562
1563/*
1564 * Generic Device (interface-independent)
1565 */
1566
1567static acpi_status get_u32(u32 *value, u32 cap)
1568{
1569 acpi_status status = AE_ERROR;
1570
1571 switch (interface->type) {
1572 case ACER_AMW0:
1573 status = AMW0_get_u32(value, cap);
1574 break;
1575 case ACER_AMW0_V2:
1576 if (cap == ACER_CAP_MAILLED) {
1577 status = AMW0_get_u32(value, cap);
1578 break;
1579 }
1580 fallthrough;
1581 case ACER_WMID:
1582 status = WMID_get_u32(value, cap);
1583 break;
1584 case ACER_WMID_v2:
1585 if (cap & (ACER_CAP_WIRELESS |
1586 ACER_CAP_BLUETOOTH |
1587 ACER_CAP_THREEG))
1588 status = wmid_v2_get_u32(value, cap);
1589 else if (wmi_has_guid(WMID_GUID2))
1590 status = WMID_get_u32(value, cap);
1591 break;
1592 }
1593
1594 return status;
1595}
1596
1597static acpi_status set_u32(u32 value, u32 cap)
1598{
1599 acpi_status status;
1600
1601 if (interface->capability & cap) {
1602 switch (interface->type) {
1603 case ACER_AMW0:
1604 return AMW0_set_u32(value, cap);
1605 case ACER_AMW0_V2:
1606 if (cap == ACER_CAP_MAILLED)
1607 return AMW0_set_u32(value, cap);
1608
1609 /*
1610 * On some models, some WMID methods don't toggle
1611 * properly. For those cases, we want to run the AMW0
1612 * method afterwards to be certain we've really toggled
1613 * the device state.
1614 */
1615 if (cap == ACER_CAP_WIRELESS ||
1616 cap == ACER_CAP_BLUETOOTH) {
1617 status = WMID_set_u32(value, cap);
1618 if (ACPI_FAILURE(status))
1619 return status;
1620
1621 return AMW0_set_u32(value, cap);
1622 }
1623 fallthrough;
1624 case ACER_WMID:
1625 return WMID_set_u32(value, cap);
1626 case ACER_WMID_v2:
1627 if (cap & (ACER_CAP_WIRELESS |
1628 ACER_CAP_BLUETOOTH |
1629 ACER_CAP_THREEG))
1630 return wmid_v2_set_u32(value, cap);
1631 else if (wmi_has_guid(WMID_GUID2))
1632 return WMID_set_u32(value, cap);
1633 fallthrough;
1634 default:
1635 return AE_BAD_PARAMETER;
1636 }
1637 }
1638 return AE_BAD_PARAMETER;
1639}
1640
1641static void __init acer_commandline_init(void)
1642{
1643 /*
1644 * These will all fail silently if the value given is invalid, or the
1645 * capability isn't available on the given interface
1646 */
1647 if (mailled >= 0)
1648 set_u32(mailled, ACER_CAP_MAILLED);
1649 if (!has_type_aa && threeg >= 0)
1650 set_u32(threeg, ACER_CAP_THREEG);
1651 if (brightness >= 0)
1652 set_u32(brightness, ACER_CAP_BRIGHTNESS);
1653}
1654
1655/*
1656 * LED device (Mail LED only, no other LEDs known yet)
1657 */
1658static void mail_led_set(struct led_classdev *led_cdev,
1659enum led_brightness value)
1660{
1661 set_u32(value, ACER_CAP_MAILLED);
1662}
1663
1664static struct led_classdev mail_led = {
1665 .name = "acer-wmi::mail",
1666 .brightness_set = mail_led_set,
1667};
1668
1669static int acer_led_init(struct device *dev)
1670{
1671 return led_classdev_register(dev, &mail_led);
1672}
1673
1674static void acer_led_exit(void)
1675{
1676 set_u32(LED_OFF, ACER_CAP_MAILLED);
1677 led_classdev_unregister(&mail_led);
1678}
1679
1680/*
1681 * Backlight device
1682 */
1683static struct backlight_device *acer_backlight_device;
1684
1685static int read_brightness(struct backlight_device *bd)
1686{
1687 u32 value;
1688 get_u32(&value, ACER_CAP_BRIGHTNESS);
1689 return value;
1690}
1691
1692static int update_bl_status(struct backlight_device *bd)
1693{
1694 int intensity = backlight_get_brightness(bd);
1695
1696 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1697
1698 return 0;
1699}
1700
1701static const struct backlight_ops acer_bl_ops = {
1702 .get_brightness = read_brightness,
1703 .update_status = update_bl_status,
1704};
1705
1706static int acer_backlight_init(struct device *dev)
1707{
1708 struct backlight_properties props;
1709 struct backlight_device *bd;
1710
1711 memset(&props, 0, sizeof(struct backlight_properties));
1712 props.type = BACKLIGHT_PLATFORM;
1713 props.max_brightness = max_brightness;
1714 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1715 &props);
1716 if (IS_ERR(bd)) {
1717 pr_err("Could not register Acer backlight device\n");
1718 acer_backlight_device = NULL;
1719 return PTR_ERR(bd);
1720 }
1721
1722 acer_backlight_device = bd;
1723
1724 bd->props.power = BACKLIGHT_POWER_ON;
1725 bd->props.brightness = read_brightness(bd);
1726 backlight_update_status(bd);
1727 return 0;
1728}
1729
1730static void acer_backlight_exit(void)
1731{
1732 backlight_device_unregister(acer_backlight_device);
1733}
1734
1735/*
1736 * Accelerometer device
1737 */
1738static acpi_handle gsensor_handle;
1739
1740static int acer_gsensor_init(void)
1741{
1742 acpi_status status;
1743 struct acpi_buffer output;
1744 union acpi_object out_obj;
1745
1746 output.length = sizeof(out_obj);
1747 output.pointer = &out_obj;
1748 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1749 if (ACPI_FAILURE(status))
1750 return -1;
1751
1752 return 0;
1753}
1754
1755static int acer_gsensor_open(struct input_dev *input)
1756{
1757 return acer_gsensor_init();
1758}
1759
1760static int acer_gsensor_event(void)
1761{
1762 acpi_status status;
1763 struct acpi_buffer output;
1764 union acpi_object out_obj[5];
1765
1766 if (!acer_wmi_accel_dev)
1767 return -1;
1768
1769 output.length = sizeof(out_obj);
1770 output.pointer = out_obj;
1771
1772 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1773 if (ACPI_FAILURE(status))
1774 return -1;
1775
1776 if (out_obj->package.count != 4)
1777 return -1;
1778
1779 input_report_abs(acer_wmi_accel_dev, ABS_X,
1780 (s16)out_obj->package.elements[0].integer.value);
1781 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1782 (s16)out_obj->package.elements[1].integer.value);
1783 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1784 (s16)out_obj->package.elements[2].integer.value);
1785 input_sync(acer_wmi_accel_dev);
1786 return 0;
1787}
1788
1789static int acer_get_fan_speed(int fan)
1790{
1791 if (quirks->predator_v4) {
1792 acpi_status status;
1793 u64 fanspeed;
1794
1795 status = WMI_gaming_execute_u64(
1796 ACER_WMID_GET_GAMING_SYS_INFO_METHODID,
1797 fan == 0 ? ACER_WMID_CMD_GET_PREDATOR_V4_CPU_FAN_SPEED :
1798 ACER_WMID_CMD_GET_PREDATOR_V4_GPU_FAN_SPEED,
1799 &fanspeed);
1800
1801 if (ACPI_FAILURE(status))
1802 return -EIO;
1803
1804 return FIELD_GET(ACER_PREDATOR_V4_FAN_SPEED_READ_BIT_MASK, fanspeed);
1805 }
1806 return -EOPNOTSUPP;
1807}
1808
1809/*
1810 * Predator series turbo button
1811 */
1812static int acer_toggle_turbo(void)
1813{
1814 u64 turbo_led_state;
1815
1816 /* Get current state from turbo button */
1817 if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED)))
1818 return -1;
1819
1820 if (turbo_led_state) {
1821 /* Turn off turbo led */
1822 WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
1823
1824 /* Set FAN mode to auto */
1825 WMID_gaming_set_fan_mode(0x1);
1826
1827 /* Set OC to normal */
1828 WMID_gaming_set_u64(0x5, ACER_CAP_TURBO_OC);
1829 WMID_gaming_set_u64(0x7, ACER_CAP_TURBO_OC);
1830 } else {
1831 /* Turn on turbo led */
1832 WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED);
1833
1834 /* Set FAN mode to turbo */
1835 WMID_gaming_set_fan_mode(0x2);
1836
1837 /* Set OC to turbo mode */
1838 WMID_gaming_set_u64(0x205, ACER_CAP_TURBO_OC);
1839 WMID_gaming_set_u64(0x207, ACER_CAP_TURBO_OC);
1840 }
1841 return turbo_led_state;
1842}
1843
1844static int
1845acer_predator_v4_platform_profile_get(struct platform_profile_handler *pprof,
1846 enum platform_profile_option *profile)
1847{
1848 u8 tp;
1849 int err;
1850
1851 err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET, &tp);
1852
1853 if (err < 0)
1854 return err;
1855
1856 switch (tp) {
1857 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1858 *profile = PLATFORM_PROFILE_PERFORMANCE;
1859 break;
1860 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1861 *profile = PLATFORM_PROFILE_BALANCED_PERFORMANCE;
1862 break;
1863 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1864 *profile = PLATFORM_PROFILE_BALANCED;
1865 break;
1866 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1867 *profile = PLATFORM_PROFILE_QUIET;
1868 break;
1869 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1870 *profile = PLATFORM_PROFILE_LOW_POWER;
1871 break;
1872 default:
1873 return -EOPNOTSUPP;
1874 }
1875
1876 return 0;
1877}
1878
1879static int
1880acer_predator_v4_platform_profile_set(struct platform_profile_handler *pprof,
1881 enum platform_profile_option profile)
1882{
1883 int tp;
1884 acpi_status status;
1885
1886 switch (profile) {
1887 case PLATFORM_PROFILE_PERFORMANCE:
1888 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1889 break;
1890 case PLATFORM_PROFILE_BALANCED_PERFORMANCE:
1891 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI;
1892 break;
1893 case PLATFORM_PROFILE_BALANCED:
1894 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1895 break;
1896 case PLATFORM_PROFILE_QUIET:
1897 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI;
1898 break;
1899 case PLATFORM_PROFILE_LOW_POWER:
1900 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1901 break;
1902 default:
1903 return -EOPNOTSUPP;
1904 }
1905
1906 status = WMI_gaming_execute_u64(
1907 ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL);
1908
1909 if (ACPI_FAILURE(status))
1910 return -EIO;
1911
1912 if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI)
1913 last_non_turbo_profile = tp;
1914
1915 return 0;
1916}
1917
1918static int acer_platform_profile_setup(void)
1919{
1920 if (quirks->predator_v4) {
1921 int err;
1922
1923 platform_profile_handler.profile_get =
1924 acer_predator_v4_platform_profile_get;
1925 platform_profile_handler.profile_set =
1926 acer_predator_v4_platform_profile_set;
1927
1928 set_bit(PLATFORM_PROFILE_PERFORMANCE,
1929 platform_profile_handler.choices);
1930 set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE,
1931 platform_profile_handler.choices);
1932 set_bit(PLATFORM_PROFILE_BALANCED,
1933 platform_profile_handler.choices);
1934 set_bit(PLATFORM_PROFILE_QUIET,
1935 platform_profile_handler.choices);
1936 set_bit(PLATFORM_PROFILE_LOW_POWER,
1937 platform_profile_handler.choices);
1938
1939 err = platform_profile_register(&platform_profile_handler);
1940 if (err)
1941 return err;
1942
1943 platform_profile_support = true;
1944
1945 /* Set default non-turbo profile */
1946 last_non_turbo_profile =
1947 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1948 }
1949 return 0;
1950}
1951
1952static int acer_thermal_profile_change(void)
1953{
1954 /*
1955 * This mode key can rotate each mode or toggle turbo mode.
1956 * On battery, only ECO and BALANCED mode are available.
1957 */
1958 if (quirks->predator_v4) {
1959 u8 current_tp;
1960 int tp, err;
1961 u64 on_AC;
1962 acpi_status status;
1963
1964 err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET,
1965 ¤t_tp);
1966
1967 if (err < 0)
1968 return err;
1969
1970 /* Check power source */
1971 status = WMI_gaming_execute_u64(
1972 ACER_WMID_GET_GAMING_SYS_INFO_METHODID,
1973 ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS, &on_AC);
1974
1975 if (ACPI_FAILURE(status))
1976 return -EIO;
1977
1978 switch (current_tp) {
1979 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1980 if (!on_AC)
1981 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1982 else if (cycle_gaming_thermal_profile)
1983 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1984 else
1985 tp = last_non_turbo_profile;
1986 break;
1987 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1988 if (!on_AC)
1989 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1990 else
1991 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1992 break;
1993 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1994 if (!on_AC)
1995 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1996 else if (cycle_gaming_thermal_profile)
1997 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI;
1998 else
1999 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
2000 break;
2001 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
2002 if (!on_AC)
2003 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
2004 else if (cycle_gaming_thermal_profile)
2005 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
2006 else
2007 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
2008 break;
2009 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
2010 if (!on_AC)
2011 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
2012 else if (cycle_gaming_thermal_profile)
2013 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI;
2014 else
2015 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
2016 break;
2017 default:
2018 return -EOPNOTSUPP;
2019 }
2020
2021 status = WMI_gaming_execute_u64(
2022 ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL);
2023
2024 if (ACPI_FAILURE(status))
2025 return -EIO;
2026
2027 /* Store non-turbo profile for turbo mode toggle*/
2028 if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI)
2029 last_non_turbo_profile = tp;
2030
2031 platform_profile_notify();
2032 }
2033
2034 return 0;
2035}
2036
2037/*
2038 * Switch series keyboard dock status
2039 */
2040static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
2041{
2042 switch (kbd_dock_state) {
2043 case 0x01: /* Docked, traditional clamshell laptop mode */
2044 return 0;
2045 case 0x04: /* Stand-alone tablet */
2046 case 0x40: /* Docked, tent mode, keyboard not usable */
2047 return 1;
2048 default:
2049 pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
2050 }
2051
2052 return 0;
2053}
2054
2055static void acer_kbd_dock_get_initial_state(void)
2056{
2057 u8 *output, input[8] = { 0x05, 0x00, };
2058 struct acpi_buffer input_buf = { sizeof(input), input };
2059 struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
2060 union acpi_object *obj;
2061 acpi_status status;
2062 int sw_tablet_mode;
2063
2064 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
2065 if (ACPI_FAILURE(status)) {
2066 pr_err("Error getting keyboard-dock initial status: %s\n",
2067 acpi_format_exception(status));
2068 return;
2069 }
2070
2071 obj = output_buf.pointer;
2072 if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
2073 pr_err("Unexpected output format getting keyboard-dock initial status\n");
2074 goto out_free_obj;
2075 }
2076
2077 output = obj->buffer.pointer;
2078 if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
2079 pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
2080 output[0], output[3]);
2081 goto out_free_obj;
2082 }
2083
2084 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
2085 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2086
2087out_free_obj:
2088 kfree(obj);
2089}
2090
2091static void acer_kbd_dock_event(const struct event_return_value *event)
2092{
2093 int sw_tablet_mode;
2094
2095 if (!has_cap(ACER_CAP_KBD_DOCK))
2096 return;
2097
2098 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
2099 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2100 input_sync(acer_wmi_input_dev);
2101}
2102
2103/*
2104 * Rfkill devices
2105 */
2106static void acer_rfkill_update(struct work_struct *ignored);
2107static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
2108static void acer_rfkill_update(struct work_struct *ignored)
2109{
2110 u32 state;
2111 acpi_status status;
2112
2113 if (has_cap(ACER_CAP_WIRELESS)) {
2114 status = get_u32(&state, ACER_CAP_WIRELESS);
2115 if (ACPI_SUCCESS(status)) {
2116 if (quirks->wireless == 3)
2117 rfkill_set_hw_state(wireless_rfkill, !state);
2118 else
2119 rfkill_set_sw_state(wireless_rfkill, !state);
2120 }
2121 }
2122
2123 if (has_cap(ACER_CAP_BLUETOOTH)) {
2124 status = get_u32(&state, ACER_CAP_BLUETOOTH);
2125 if (ACPI_SUCCESS(status))
2126 rfkill_set_sw_state(bluetooth_rfkill, !state);
2127 }
2128
2129 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
2130 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
2131 if (ACPI_SUCCESS(status))
2132 rfkill_set_sw_state(threeg_rfkill, !state);
2133 }
2134
2135 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
2136}
2137
2138static int acer_rfkill_set(void *data, bool blocked)
2139{
2140 acpi_status status;
2141 u32 cap = (unsigned long)data;
2142
2143 if (rfkill_inited) {
2144 status = set_u32(!blocked, cap);
2145 if (ACPI_FAILURE(status))
2146 return -ENODEV;
2147 }
2148
2149 return 0;
2150}
2151
2152static const struct rfkill_ops acer_rfkill_ops = {
2153 .set_block = acer_rfkill_set,
2154};
2155
2156static struct rfkill *acer_rfkill_register(struct device *dev,
2157 enum rfkill_type type,
2158 char *name, u32 cap)
2159{
2160 int err;
2161 struct rfkill *rfkill_dev;
2162 u32 state;
2163 acpi_status status;
2164
2165 rfkill_dev = rfkill_alloc(name, dev, type,
2166 &acer_rfkill_ops,
2167 (void *)(unsigned long)cap);
2168 if (!rfkill_dev)
2169 return ERR_PTR(-ENOMEM);
2170
2171 status = get_u32(&state, cap);
2172
2173 err = rfkill_register(rfkill_dev);
2174 if (err) {
2175 rfkill_destroy(rfkill_dev);
2176 return ERR_PTR(err);
2177 }
2178
2179 if (ACPI_SUCCESS(status))
2180 rfkill_set_sw_state(rfkill_dev, !state);
2181
2182 return rfkill_dev;
2183}
2184
2185static int acer_rfkill_init(struct device *dev)
2186{
2187 int err;
2188
2189 if (has_cap(ACER_CAP_WIRELESS)) {
2190 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
2191 "acer-wireless", ACER_CAP_WIRELESS);
2192 if (IS_ERR(wireless_rfkill)) {
2193 err = PTR_ERR(wireless_rfkill);
2194 goto error_wireless;
2195 }
2196 }
2197
2198 if (has_cap(ACER_CAP_BLUETOOTH)) {
2199 bluetooth_rfkill = acer_rfkill_register(dev,
2200 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
2201 ACER_CAP_BLUETOOTH);
2202 if (IS_ERR(bluetooth_rfkill)) {
2203 err = PTR_ERR(bluetooth_rfkill);
2204 goto error_bluetooth;
2205 }
2206 }
2207
2208 if (has_cap(ACER_CAP_THREEG)) {
2209 threeg_rfkill = acer_rfkill_register(dev,
2210 RFKILL_TYPE_WWAN, "acer-threeg",
2211 ACER_CAP_THREEG);
2212 if (IS_ERR(threeg_rfkill)) {
2213 err = PTR_ERR(threeg_rfkill);
2214 goto error_threeg;
2215 }
2216 }
2217
2218 rfkill_inited = true;
2219
2220 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2221 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2222 schedule_delayed_work(&acer_rfkill_work,
2223 round_jiffies_relative(HZ));
2224
2225 return 0;
2226
2227error_threeg:
2228 if (has_cap(ACER_CAP_BLUETOOTH)) {
2229 rfkill_unregister(bluetooth_rfkill);
2230 rfkill_destroy(bluetooth_rfkill);
2231 }
2232error_bluetooth:
2233 if (has_cap(ACER_CAP_WIRELESS)) {
2234 rfkill_unregister(wireless_rfkill);
2235 rfkill_destroy(wireless_rfkill);
2236 }
2237error_wireless:
2238 return err;
2239}
2240
2241static void acer_rfkill_exit(void)
2242{
2243 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2244 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2245 cancel_delayed_work_sync(&acer_rfkill_work);
2246
2247 if (has_cap(ACER_CAP_WIRELESS)) {
2248 rfkill_unregister(wireless_rfkill);
2249 rfkill_destroy(wireless_rfkill);
2250 }
2251
2252 if (has_cap(ACER_CAP_BLUETOOTH)) {
2253 rfkill_unregister(bluetooth_rfkill);
2254 rfkill_destroy(bluetooth_rfkill);
2255 }
2256
2257 if (has_cap(ACER_CAP_THREEG)) {
2258 rfkill_unregister(threeg_rfkill);
2259 rfkill_destroy(threeg_rfkill);
2260 }
2261}
2262
2263static void acer_wmi_notify(union acpi_object *obj, void *context)
2264{
2265 struct event_return_value return_value;
2266 u16 device_state;
2267 const struct key_entry *key;
2268 u32 scancode;
2269
2270 if (!obj)
2271 return;
2272 if (obj->type != ACPI_TYPE_BUFFER) {
2273 pr_warn("Unknown response received %d\n", obj->type);
2274 return;
2275 }
2276 if (obj->buffer.length != 8) {
2277 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2278 return;
2279 }
2280
2281 return_value = *((struct event_return_value *)obj->buffer.pointer);
2282
2283 switch (return_value.function) {
2284 case WMID_HOTKEY_EVENT:
2285 device_state = return_value.device_state;
2286 pr_debug("device state: 0x%x\n", device_state);
2287
2288 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
2289 return_value.key_num);
2290 if (!key) {
2291 pr_warn("Unknown key number - 0x%x\n",
2292 return_value.key_num);
2293 } else {
2294 scancode = return_value.key_num;
2295 switch (key->keycode) {
2296 case KEY_WLAN:
2297 case KEY_BLUETOOTH:
2298 if (has_cap(ACER_CAP_WIRELESS))
2299 rfkill_set_sw_state(wireless_rfkill,
2300 !(device_state & ACER_WMID3_GDS_WIRELESS));
2301 if (has_cap(ACER_CAP_THREEG))
2302 rfkill_set_sw_state(threeg_rfkill,
2303 !(device_state & ACER_WMID3_GDS_THREEG));
2304 if (has_cap(ACER_CAP_BLUETOOTH))
2305 rfkill_set_sw_state(bluetooth_rfkill,
2306 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
2307 break;
2308 case KEY_TOUCHPAD_TOGGLE:
2309 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
2310 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
2311 }
2312 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
2313 }
2314 break;
2315 case WMID_ACCEL_OR_KBD_DOCK_EVENT:
2316 acer_gsensor_event();
2317 acer_kbd_dock_event(&return_value);
2318 break;
2319 case WMID_GAMING_TURBO_KEY_EVENT:
2320 if (return_value.key_num == 0x4)
2321 acer_toggle_turbo();
2322 if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
2323 acer_thermal_profile_change();
2324 break;
2325 case WMID_AC_EVENT:
2326 /* We ignore AC events here */
2327 break;
2328 default:
2329 pr_warn("Unknown function number - %d - %d\n",
2330 return_value.function, return_value.key_num);
2331 break;
2332 }
2333}
2334
2335static acpi_status __init
2336wmid3_set_function_mode(struct func_input_params *params,
2337 struct func_return_value *return_value)
2338{
2339 acpi_status status;
2340 union acpi_object *obj;
2341
2342 struct acpi_buffer input = { sizeof(struct func_input_params), params };
2343 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2344
2345 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
2346 if (ACPI_FAILURE(status))
2347 return status;
2348
2349 obj = output.pointer;
2350
2351 if (!obj)
2352 return AE_ERROR;
2353 else if (obj->type != ACPI_TYPE_BUFFER) {
2354 kfree(obj);
2355 return AE_ERROR;
2356 }
2357 if (obj->buffer.length != 4) {
2358 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2359 kfree(obj);
2360 return AE_ERROR;
2361 }
2362
2363 *return_value = *((struct func_return_value *)obj->buffer.pointer);
2364 kfree(obj);
2365
2366 return status;
2367}
2368
2369static int __init acer_wmi_enable_ec_raw(void)
2370{
2371 struct func_return_value return_value;
2372 acpi_status status;
2373 struct func_input_params params = {
2374 .function_num = 0x1,
2375 .commun_devices = 0xFFFF,
2376 .devices = 0xFFFF,
2377 .app_status = 0x00, /* Launch Manager Deactive */
2378 .app_mask = 0x01,
2379 };
2380
2381 status = wmid3_set_function_mode(¶ms, &return_value);
2382
2383 if (return_value.error_code || return_value.ec_return_value)
2384 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
2385 return_value.error_code,
2386 return_value.ec_return_value);
2387 else
2388 pr_info("Enabled EC raw mode\n");
2389
2390 return status;
2391}
2392
2393static int __init acer_wmi_enable_lm(void)
2394{
2395 struct func_return_value return_value;
2396 acpi_status status;
2397 struct func_input_params params = {
2398 .function_num = 0x1,
2399 .commun_devices = 0xFFFF,
2400 .devices = 0xFFFF,
2401 .app_status = 0x01, /* Launch Manager Active */
2402 .app_mask = 0x01,
2403 };
2404
2405 status = wmid3_set_function_mode(¶ms, &return_value);
2406
2407 if (return_value.error_code || return_value.ec_return_value)
2408 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
2409 return_value.error_code,
2410 return_value.ec_return_value);
2411
2412 return status;
2413}
2414
2415static int __init acer_wmi_enable_rf_button(void)
2416{
2417 struct func_return_value return_value;
2418 acpi_status status;
2419 struct func_input_params params = {
2420 .function_num = 0x1,
2421 .commun_devices = 0xFFFF,
2422 .devices = 0xFFFF,
2423 .app_status = 0x10, /* RF Button Active */
2424 .app_mask = 0x10,
2425 };
2426
2427 status = wmid3_set_function_mode(¶ms, &return_value);
2428
2429 if (return_value.error_code || return_value.ec_return_value)
2430 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
2431 return_value.error_code,
2432 return_value.ec_return_value);
2433
2434 return status;
2435}
2436
2437static int __init acer_wmi_accel_setup(void)
2438{
2439 struct acpi_device *adev;
2440 int err;
2441
2442 adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1);
2443 if (!adev)
2444 return -ENODEV;
2445
2446 gsensor_handle = acpi_device_handle(adev);
2447 acpi_dev_put(adev);
2448
2449 acer_wmi_accel_dev = input_allocate_device();
2450 if (!acer_wmi_accel_dev)
2451 return -ENOMEM;
2452
2453 acer_wmi_accel_dev->open = acer_gsensor_open;
2454
2455 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
2456 acer_wmi_accel_dev->phys = "wmi/input1";
2457 acer_wmi_accel_dev->id.bustype = BUS_HOST;
2458 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
2459 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
2460 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
2461 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
2462
2463 err = input_register_device(acer_wmi_accel_dev);
2464 if (err)
2465 goto err_free_dev;
2466
2467 return 0;
2468
2469err_free_dev:
2470 input_free_device(acer_wmi_accel_dev);
2471 return err;
2472}
2473
2474static int __init acer_wmi_input_setup(void)
2475{
2476 acpi_status status;
2477 int err;
2478
2479 acer_wmi_input_dev = input_allocate_device();
2480 if (!acer_wmi_input_dev)
2481 return -ENOMEM;
2482
2483 acer_wmi_input_dev->name = "Acer WMI hotkeys";
2484 acer_wmi_input_dev->phys = "wmi/input0";
2485 acer_wmi_input_dev->id.bustype = BUS_HOST;
2486
2487 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
2488 if (err)
2489 goto err_free_dev;
2490
2491 if (has_cap(ACER_CAP_KBD_DOCK))
2492 input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
2493
2494 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
2495 acer_wmi_notify, NULL);
2496 if (ACPI_FAILURE(status)) {
2497 err = -EIO;
2498 goto err_free_dev;
2499 }
2500
2501 if (has_cap(ACER_CAP_KBD_DOCK))
2502 acer_kbd_dock_get_initial_state();
2503
2504 err = input_register_device(acer_wmi_input_dev);
2505 if (err)
2506 goto err_uninstall_notifier;
2507
2508 return 0;
2509
2510err_uninstall_notifier:
2511 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2512err_free_dev:
2513 input_free_device(acer_wmi_input_dev);
2514 return err;
2515}
2516
2517static void acer_wmi_input_destroy(void)
2518{
2519 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2520 input_unregister_device(acer_wmi_input_dev);
2521}
2522
2523/*
2524 * debugfs functions
2525 */
2526static u32 get_wmid_devices(void)
2527{
2528 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2529 union acpi_object *obj;
2530 acpi_status status;
2531 u32 devices = 0;
2532
2533 status = wmi_query_block(WMID_GUID2, 0, &out);
2534 if (ACPI_FAILURE(status))
2535 return 0;
2536
2537 obj = (union acpi_object *) out.pointer;
2538 if (obj) {
2539 if (obj->type == ACPI_TYPE_BUFFER &&
2540 (obj->buffer.length == sizeof(u32) ||
2541 obj->buffer.length == sizeof(u64))) {
2542 devices = *((u32 *) obj->buffer.pointer);
2543 } else if (obj->type == ACPI_TYPE_INTEGER) {
2544 devices = (u32) obj->integer.value;
2545 }
2546 }
2547
2548 kfree(out.pointer);
2549 return devices;
2550}
2551
2552static int acer_wmi_hwmon_init(void);
2553
2554/*
2555 * Platform device
2556 */
2557static int acer_platform_probe(struct platform_device *device)
2558{
2559 int err;
2560
2561 if (has_cap(ACER_CAP_MAILLED)) {
2562 err = acer_led_init(&device->dev);
2563 if (err)
2564 goto error_mailled;
2565 }
2566
2567 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2568 err = acer_backlight_init(&device->dev);
2569 if (err)
2570 goto error_brightness;
2571 }
2572
2573 err = acer_rfkill_init(&device->dev);
2574 if (err)
2575 goto error_rfkill;
2576
2577 if (has_cap(ACER_CAP_PLATFORM_PROFILE)) {
2578 err = acer_platform_profile_setup();
2579 if (err)
2580 goto error_platform_profile;
2581 }
2582
2583 if (has_cap(ACER_CAP_FAN_SPEED_READ)) {
2584 err = acer_wmi_hwmon_init();
2585 if (err)
2586 goto error_hwmon;
2587 }
2588
2589 return 0;
2590
2591error_hwmon:
2592 if (platform_profile_support)
2593 platform_profile_remove();
2594error_platform_profile:
2595 acer_rfkill_exit();
2596error_rfkill:
2597 if (has_cap(ACER_CAP_BRIGHTNESS))
2598 acer_backlight_exit();
2599error_brightness:
2600 if (has_cap(ACER_CAP_MAILLED))
2601 acer_led_exit();
2602error_mailled:
2603 return err;
2604}
2605
2606static void acer_platform_remove(struct platform_device *device)
2607{
2608 if (has_cap(ACER_CAP_MAILLED))
2609 acer_led_exit();
2610 if (has_cap(ACER_CAP_BRIGHTNESS))
2611 acer_backlight_exit();
2612
2613 acer_rfkill_exit();
2614
2615 if (platform_profile_support)
2616 platform_profile_remove();
2617}
2618
2619#ifdef CONFIG_PM_SLEEP
2620static int acer_suspend(struct device *dev)
2621{
2622 u32 value;
2623 struct acer_data *data = &interface->data;
2624
2625 if (!data)
2626 return -ENOMEM;
2627
2628 if (has_cap(ACER_CAP_MAILLED)) {
2629 get_u32(&value, ACER_CAP_MAILLED);
2630 set_u32(LED_OFF, ACER_CAP_MAILLED);
2631 data->mailled = value;
2632 }
2633
2634 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2635 get_u32(&value, ACER_CAP_BRIGHTNESS);
2636 data->brightness = value;
2637 }
2638
2639 return 0;
2640}
2641
2642static int acer_resume(struct device *dev)
2643{
2644 struct acer_data *data = &interface->data;
2645
2646 if (!data)
2647 return -ENOMEM;
2648
2649 if (has_cap(ACER_CAP_MAILLED))
2650 set_u32(data->mailled, ACER_CAP_MAILLED);
2651
2652 if (has_cap(ACER_CAP_BRIGHTNESS))
2653 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2654
2655 if (acer_wmi_accel_dev)
2656 acer_gsensor_init();
2657
2658 return 0;
2659}
2660#else
2661#define acer_suspend NULL
2662#define acer_resume NULL
2663#endif
2664
2665static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2666
2667static void acer_platform_shutdown(struct platform_device *device)
2668{
2669 struct acer_data *data = &interface->data;
2670
2671 if (!data)
2672 return;
2673
2674 if (has_cap(ACER_CAP_MAILLED))
2675 set_u32(LED_OFF, ACER_CAP_MAILLED);
2676}
2677
2678static struct platform_driver acer_platform_driver = {
2679 .driver = {
2680 .name = "acer-wmi",
2681 .pm = &acer_pm,
2682 },
2683 .probe = acer_platform_probe,
2684 .remove = acer_platform_remove,
2685 .shutdown = acer_platform_shutdown,
2686};
2687
2688static struct platform_device *acer_platform_device;
2689
2690static void remove_debugfs(void)
2691{
2692 debugfs_remove_recursive(interface->debug.root);
2693}
2694
2695static void __init create_debugfs(void)
2696{
2697 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2698
2699 debugfs_create_u32("devices", S_IRUGO, interface->debug.root,
2700 &interface->debug.wmid_devices);
2701}
2702
2703static umode_t acer_wmi_hwmon_is_visible(const void *data,
2704 enum hwmon_sensor_types type, u32 attr,
2705 int channel)
2706{
2707 switch (type) {
2708 case hwmon_fan:
2709 if (acer_get_fan_speed(channel) >= 0)
2710 return 0444;
2711 break;
2712 default:
2713 return 0;
2714 }
2715
2716 return 0;
2717}
2718
2719static int acer_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2720 u32 attr, int channel, long *val)
2721{
2722 int ret;
2723
2724 switch (type) {
2725 case hwmon_fan:
2726 ret = acer_get_fan_speed(channel);
2727 if (ret < 0)
2728 return ret;
2729 *val = ret;
2730 break;
2731 default:
2732 return -EOPNOTSUPP;
2733 }
2734
2735 return 0;
2736}
2737
2738static const struct hwmon_channel_info *const acer_wmi_hwmon_info[] = {
2739 HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT, HWMON_F_INPUT), NULL
2740};
2741
2742static const struct hwmon_ops acer_wmi_hwmon_ops = {
2743 .read = acer_wmi_hwmon_read,
2744 .is_visible = acer_wmi_hwmon_is_visible,
2745};
2746
2747static const struct hwmon_chip_info acer_wmi_hwmon_chip_info = {
2748 .ops = &acer_wmi_hwmon_ops,
2749 .info = acer_wmi_hwmon_info,
2750};
2751
2752static int acer_wmi_hwmon_init(void)
2753{
2754 struct device *dev = &acer_platform_device->dev;
2755 struct device *hwmon;
2756
2757 hwmon = devm_hwmon_device_register_with_info(dev, "acer",
2758 &acer_platform_driver,
2759 &acer_wmi_hwmon_chip_info,
2760 NULL);
2761
2762 if (IS_ERR(hwmon)) {
2763 dev_err(dev, "Could not register acer hwmon device\n");
2764 return PTR_ERR(hwmon);
2765 }
2766
2767 return 0;
2768}
2769
2770static int __init acer_wmi_init(void)
2771{
2772 int err;
2773
2774 pr_info("Acer Laptop ACPI-WMI Extras\n");
2775
2776 if (dmi_check_system(acer_blacklist)) {
2777 pr_info("Blacklisted hardware detected - not loading\n");
2778 return -ENODEV;
2779 }
2780
2781 find_quirks();
2782
2783 /*
2784 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2785 * machines like Lenovo, Fujitsu and Medion. In the past days,
2786 * acer-wmi driver handled those non-Acer machines by quirks list.
2787 * But actually acer-wmi driver was loaded on any machines that have
2788 * AMW0_GUID1. This behavior is strange because those machines should
2789 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2790 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2791 * should be in Acer/Gateway/Packard Bell white list, or it's already
2792 * in the past quirk list.
2793 */
2794 if (wmi_has_guid(AMW0_GUID1) &&
2795 !dmi_check_system(amw0_whitelist) &&
2796 quirks == &quirk_unknown) {
2797 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
2798 return -ENODEV;
2799 }
2800
2801 /*
2802 * Detect which ACPI-WMI interface we're using.
2803 */
2804 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2805 interface = &AMW0_V2_interface;
2806
2807 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2808 interface = &wmid_interface;
2809
2810 if (wmi_has_guid(WMID_GUID3))
2811 interface = &wmid_v2_interface;
2812
2813 if (interface)
2814 dmi_walk(type_aa_dmi_decode, NULL);
2815
2816 if (wmi_has_guid(WMID_GUID2) && interface) {
2817 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
2818 pr_err("Unable to detect available WMID devices\n");
2819 return -ENODEV;
2820 }
2821 /* WMID always provides brightness methods */
2822 interface->capability |= ACER_CAP_BRIGHTNESS;
2823 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
2824 pr_err("No WMID device detection method found\n");
2825 return -ENODEV;
2826 }
2827
2828 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2829 interface = &AMW0_interface;
2830
2831 if (ACPI_FAILURE(AMW0_set_capabilities())) {
2832 pr_err("Unable to detect available AMW0 devices\n");
2833 return -ENODEV;
2834 }
2835 }
2836
2837 if (wmi_has_guid(AMW0_GUID1))
2838 AMW0_find_mailled();
2839
2840 if (!interface) {
2841 pr_err("No or unsupported WMI interface, unable to load\n");
2842 return -ENODEV;
2843 }
2844
2845 set_quirks();
2846
2847 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
2848 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2849
2850 if (wmi_has_guid(WMID_GUID3))
2851 interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
2852
2853 if (force_caps != -1)
2854 interface->capability = force_caps;
2855
2856 if (wmi_has_guid(WMID_GUID3) &&
2857 (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
2858 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
2859 pr_warn("Cannot enable RF Button Driver\n");
2860
2861 if (ec_raw_mode) {
2862 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
2863 pr_err("Cannot enable EC raw mode\n");
2864 return -ENODEV;
2865 }
2866 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
2867 pr_err("Cannot enable Launch Manager mode\n");
2868 return -ENODEV;
2869 }
2870 } else if (ec_raw_mode) {
2871 pr_info("No WMID EC raw mode enable method\n");
2872 }
2873
2874 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2875 err = acer_wmi_input_setup();
2876 if (err)
2877 return err;
2878 err = acer_wmi_accel_setup();
2879 if (err && err != -ENODEV)
2880 pr_warn("Cannot enable accelerometer\n");
2881 }
2882
2883 err = platform_driver_register(&acer_platform_driver);
2884 if (err) {
2885 pr_err("Unable to register platform driver\n");
2886 goto error_platform_register;
2887 }
2888
2889 acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE);
2890 if (!acer_platform_device) {
2891 err = -ENOMEM;
2892 goto error_device_alloc;
2893 }
2894
2895 err = platform_device_add(acer_platform_device);
2896 if (err)
2897 goto error_device_add;
2898
2899 if (wmi_has_guid(WMID_GUID2)) {
2900 interface->debug.wmid_devices = get_wmid_devices();
2901 create_debugfs();
2902 }
2903
2904 /* Override any initial settings with values from the commandline */
2905 acer_commandline_init();
2906
2907 return 0;
2908
2909error_device_add:
2910 platform_device_put(acer_platform_device);
2911error_device_alloc:
2912 platform_driver_unregister(&acer_platform_driver);
2913error_platform_register:
2914 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2915 acer_wmi_input_destroy();
2916 if (acer_wmi_accel_dev)
2917 input_unregister_device(acer_wmi_accel_dev);
2918
2919 return err;
2920}
2921
2922static void __exit acer_wmi_exit(void)
2923{
2924 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2925 acer_wmi_input_destroy();
2926
2927 if (acer_wmi_accel_dev)
2928 input_unregister_device(acer_wmi_accel_dev);
2929
2930 remove_debugfs();
2931 platform_device_unregister(acer_platform_device);
2932 platform_driver_unregister(&acer_platform_driver);
2933
2934 pr_info("Acer Laptop WMI Extras unloaded\n");
2935}
2936
2937module_init(acer_wmi_init);
2938module_exit(acer_wmi_exit);