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