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platform/x86: fujitsu-laptop: set default trigger for radio LED to rfkill-any
[mirror_ubuntu-bionic-kernel.git] / drivers / platform / x86 / acer-wmi.c
CommitLineData
745a5d21
CC		 1/*
2 * Acer WMI Laptop Extras
3 *
4f0175dc 4 * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
745a5d21
CC		 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
cae15702
LCY		 25#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
26
745a5d21
CC		 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>
f2b585b4 32#include <linux/fb.h>
745a5d21
CC		 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>
0606e1ab
CC		 38#include <linux/rfkill.h>
39#include <linux/workqueue.h>
81143522 40#include <linux/debugfs.h>
5a0e3ad6 41#include <linux/slab.h>
3fdca87d
LCY		 42#include <linux/input.h>
43#include <linux/input/sparse-keymap.h>
86924de2 44#include <acpi/video.h>
745a5d21
CC		 45
46MODULE_AUTHOR("Carlos Corbacho");
47MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
48MODULE_LICENSE("GPL");
49
745a5d21
CC		 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"
5753dd53 80#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
bbb70607 81#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
298f19b2 82#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
b3c9092b 83#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
745a5d21 84
3fdca87d
LCY		 85/*
86 * Acer ACPI event GUIDs
87 */
88#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
89
745a5d21 90MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
08a0799d 91MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
3fdca87d
LCY		 92MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
93
94enum acer_wmi_event_ids {
95 WMID_HOTKEY_EVENT = 0x1,
1eb3fe1d 96 WMID_ACCEL_EVENT = 0x5,
3fdca87d
LCY		 97};
98
87e44849 99static const struct key_entry acer_wmi_keymap[] __initconst = {
3fdca87d 100 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
8ae68de1 101 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
1a04d8ff 102 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
3fdca87d
LCY		 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 */
67e1d34c 108 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
8ae68de1
MF		 109 {KE_IGNORE, 0x41, {KEY_MUTE} },
110 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
ca1469f5 111 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
8ae68de1 112 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
ca1469f5 113 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
8ae68de1 114 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
ca1469f5 115 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
8ae68de1 116 {KE_IGNORE, 0x45, {KEY_STOP} },
ca1469f5 117 {KE_IGNORE, 0x50, {KEY_STOP} },
8ae68de1
MF		 118 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
119 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
ca1469f5 120 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
8ae68de1
MF		 121 {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
122 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
123 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
3fdca87d 124 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
8ae68de1 125 {KE_IGNORE, 0x81, {KEY_SLEEP} },
8e2286ce
LCY		 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} },
8ae68de1 129 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
68825ce2 130 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
3fdca87d
LCY		 131 {KE_END, 0}
132};
133
134static struct input_dev *acer_wmi_input_dev;
1eb3fe1d 135static struct input_dev *acer_wmi_accel_dev;
3fdca87d
LCY		 136
137struct event_return_value {
138 u8 function;
139 u8 key_num;
140 u16 device_state;
141 u32 reserved;
142} __attribute__((packed));
745a5d21 143
b3c9092b
LCY		 144/*
145 * GUID3 Get Device Status device flags
146 */
6c3df88f 147#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
b3c9092b 148#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
6d88ff0f 149#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
6c3df88f 150#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
8e2286ce 151#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
b3c9092b 152
59ccf2f3
FLCY		 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
996d23ba
LCY		 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 */
b3c9092b
LCY		 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
6c3df88f
LCY		 187struct hotkey_function_type_aa {
188 u8 type;
189 u8 length;
190 u16 handle;
191 u16 commun_func_bitmap;
34b6cfab
LCY		 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;
6c3df88f
LCY		 197} __attribute__((packed));
198
745a5d21
CC		 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)
1eb3fe1d 207#define ACER_CAP_ACCEL (1<<5)
745a5d21
CC		 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,
72e71de1 217 ACER_WMID_v2,
745a5d21
CC		 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
745a5d21
CC		 227static int mailled = -1;
228static int brightness = -1;
229static int threeg = -1;
230static int force_series;
59ccf2f3 231static bool ec_raw_mode;
6c3df88f 232static bool has_type_aa;
1d1fc8a7 233static u16 commun_func_bitmap;
34b6cfab 234static u8 commun_fn_key_number;
745a5d21
CC		 235
236module_param(mailled, int, 0444);
745a5d21
CC		 237module_param(brightness, int, 0444);
238module_param(threeg, int, 0444);
239module_param(force_series, int, 0444);
59ccf2f3 240module_param(ec_raw_mode, bool, 0444);
745a5d21
CC		 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");
59ccf2f3 245MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
745a5d21
CC		 246
247struct acer_data {
248 int mailled;
745a5d21
CC		 249 int threeg;
250 int brightness;
251};
252
81143522
CC		 253struct acer_debug {
254 struct dentry *root;
255 struct dentry *devices;
256 u32 wmid_devices;
257};
258
0606e1ab
CC		 259static struct rfkill *wireless_rfkill;
260static struct rfkill *bluetooth_rfkill;
b3c9092b 261static struct rfkill *threeg_rfkill;
8215af01 262static bool rfkill_inited;
0606e1ab 263
745a5d21
CC		 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;
81143522
CC		 274
275 /* debugfs entries associated with this interface */
276 struct acer_debug debug;
745a5d21
CC		 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;
9991d9f2 291 s8 brightness;
745a5d21
CC		 292 u8 bluetooth;
293};
294
295static struct quirk_entry *quirks;
296
76d51dd9 297static void __init set_quirks(void)
745a5d21 298{
83097aca
AV		 299 if (!interface)
300 return;
301
745a5d21
CC		 302 if (quirks->mailled)
303 interface->capability |= ACER_CAP_MAILLED;
304
305 if (quirks->brightness)
306 interface->capability |= ACER_CAP_BRIGHTNESS;
307}
308
76d51dd9 309static int __init dmi_matched(const struct dmi_system_id *dmi)
745a5d21
CC		 310{
311 quirks = dmi->driver_data;
d53bf0f3 312 return 1;
745a5d21
CC		 313}
314
315static struct quirk_entry quirk_unknown = {
316};
317
9991d9f2
CC		 318static struct quirk_entry quirk_acer_aspire_1520 = {
319 .brightness = -1,
320};
321
745a5d21
CC		 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
6f061ab5
CC		 331static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
332 .wireless = 2,
333};
334
15b956a0
LCY		 335static struct quirk_entry quirk_lenovo_ideapad_s205 = {
336 .wireless = 3,
337};
338
a74dd5fd 339/* The Aspire One has a dummy ACPI-WMI interface - disable it */
76d51dd9 340static const struct dmi_system_id acer_blacklist[] __initconst = {
a74dd5fd
CC		 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
5241b193
LCY		 358static const struct dmi_system_id amw0_whitelist[] __initconst = {
359 {
360 .ident = "Acer",
361 .matches = {
362 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
363 },
364 },
365 {
366 .ident = "Gateway",
367 .matches = {
368 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
369 },
370 },
371 {
372 .ident = "Packard Bell",
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
375 },
376 },
377 {}
378};
379
380/*
381 * This quirk table is only for Acer/Gateway/Packard Bell family
382 * that those machines are supported by acer-wmi driver.
383 */
76d51dd9 384static const struct dmi_system_id acer_quirks[] __initconst = {
9991d9f2
CC		 385 {
386 .callback = dmi_matched,
387 .ident = "Acer Aspire 1360",
388 .matches = {
389 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
390 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
391 },
392 .driver_data = &quirk_acer_aspire_1520,
393 },
394 {
395 .callback = dmi_matched,
396 .ident = "Acer Aspire 1520",
397 .matches = {
398 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
399 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
400 },
401 .driver_data = &quirk_acer_aspire_1520,
402 },
745a5d21
CC		 403 {
404 .callback = dmi_matched,
405 .ident = "Acer Aspire 3100",
406 .matches = {
407 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
408 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
409 },
410 .driver_data = &quirk_acer_travelmate_2490,
411 },
ed9cfe98
CC		 412 {
413 .callback = dmi_matched,
414 .ident = "Acer Aspire 3610",
415 .matches = {
416 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
417 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
418 },
419 .driver_data = &quirk_acer_travelmate_2490,
420 },
745a5d21
CC		 421 {
422 .callback = dmi_matched,
423 .ident = "Acer Aspire 5100",
424 .matches = {
425 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
426 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
427 },
428 .driver_data = &quirk_acer_travelmate_2490,
429 },
ed9cfe98
CC		 430 {
431 .callback = dmi_matched,
432 .ident = "Acer Aspire 5610",
433 .matches = {
434 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
436 },
437 .driver_data = &quirk_acer_travelmate_2490,
438 },
745a5d21
CC		 439 {
440 .callback = dmi_matched,
441 .ident = "Acer Aspire 5630",
442 .matches = {
443 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
444 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
445 },
446 .driver_data = &quirk_acer_travelmate_2490,
447 },
448 {
449 .callback = dmi_matched,
450 .ident = "Acer Aspire 5650",
451 .matches = {
452 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
453 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
454 },
455 .driver_data = &quirk_acer_travelmate_2490,
456 },
457 {
458 .callback = dmi_matched,
459 .ident = "Acer Aspire 5680",
460 .matches = {
461 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
462 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
463 },
464 .driver_data = &quirk_acer_travelmate_2490,
465 },
466 {
467 .callback = dmi_matched,
468 .ident = "Acer Aspire 9110",
469 .matches = {
470 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
471 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
472 },
473 .driver_data = &quirk_acer_travelmate_2490,
474 },
475 {
476 .callback = dmi_matched,
477 .ident = "Acer TravelMate 2490",
478 .matches = {
479 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
480 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
481 },
482 .driver_data = &quirk_acer_travelmate_2490,
483 },
262ee35b
CC		 484 {
485 .callback = dmi_matched,
486 .ident = "Acer TravelMate 4200",
487 .matches = {
488 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
489 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
490 },
491 .driver_data = &quirk_acer_travelmate_2490,
492 },
5241b193
LCY		 493 {}
494};
495
496/*
497 * This quirk list is for those non-acer machines that have AMW0_GUID1
498 * but supported by acer-wmi in past days. Keeping this quirk list here
499 * is only for backward compatible. Please do not add new machine to
500 * here anymore. Those non-acer machines should be supported by
501 * appropriate wmi drivers.
502 */
503static const struct dmi_system_id non_acer_quirks[] __initconst = {
6f061ab5
CC		 504 {
505 .callback = dmi_matched,
506 .ident = "Fujitsu Siemens Amilo Li 1718",
507 .matches = {
508 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
509 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
510 },
511 .driver_data = &quirk_fujitsu_amilo_li_1718,
512 },
745a5d21
CC		 513 {
514 .callback = dmi_matched,
515 .ident = "Medion MD 98300",
516 .matches = {
517 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
518 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
519 },
520 .driver_data = &quirk_medion_md_98300,
521 },
15b956a0
LCY		 522 {
523 .callback = dmi_matched,
524 .ident = "Lenovo Ideapad S205",
525 .matches = {
526 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
527 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
528 },
529 .driver_data = &quirk_lenovo_ideapad_s205,
530 },
c08f2086
LCY		 531 {
532 .callback = dmi_matched,
533 .ident = "Lenovo Ideapad S205 (Brazos)",
534 .matches = {
535 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
536 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
537 },
538 .driver_data = &quirk_lenovo_ideapad_s205,
539 },
be3128b1
SF		 540 {
541 .callback = dmi_matched,
542 .ident = "Lenovo 3000 N200",
543 .matches = {
544 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
545 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
546 },
547 .driver_data = &quirk_fujitsu_amilo_li_1718,
548 },
e6c33f1f
LCY		 549 {
550 .callback = dmi_matched,
551 .ident = "Lenovo Ideapad S205-10382JG",
552 .matches = {
553 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
554 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
555 },
556 .driver_data = &quirk_lenovo_ideapad_s205,
557 },
5f3511d2
LCY		 558 {
559 .callback = dmi_matched,
560 .ident = "Lenovo Ideapad S205-1038DPG",
561 .matches = {
562 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
563 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
564 },
565 .driver_data = &quirk_lenovo_ideapad_s205,
566 },
745a5d21
CC		 567 {}
568};
569
76d51dd9
MK		 570static int __init
571video_set_backlight_video_vendor(const struct dmi_system_id *d)
86924de2
LCY		 572{
573 interface->capability &= ~ACER_CAP_BRIGHTNESS;
574 pr_info("Brightness must be controlled by generic video driver\n");
575 return 0;
576}
577
76d51dd9 578static const struct dmi_system_id video_vendor_dmi_table[] __initconst = {
86924de2
LCY		 579 {
580 .callback = video_set_backlight_video_vendor,
581 .ident = "Acer TravelMate 4750",
582 .matches = {
583 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
584 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
585 },
586 },
050eff39
LCY		 587 {
588 .callback = video_set_backlight_video_vendor,
589 .ident = "Acer Extensa 5235",
590 .matches = {
591 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
592 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
593 },
594 },
595 {
596 .callback = video_set_backlight_video_vendor,
597 .ident = "Acer TravelMate 5760",
598 .matches = {
599 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
600 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
601 },
602 },
603 {
604 .callback = video_set_backlight_video_vendor,
605 .ident = "Acer Aspire 5750",
606 .matches = {
607 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
608 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
609 },
610 },
9404cd95
HG		 611 {
612 .callback = video_set_backlight_video_vendor,
613 .ident = "Acer Aspire 5741",
614 .matches = {
615 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
616 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
617 },
618 },
183fd8fc
HG		 619 {
620 /*
621 * Note no video_set_backlight_video_vendor, we must use the
622 * acer interface, as there is no native backlight interface.
623 */
624 .ident = "Acer KAV80",
625 .matches = {
626 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
627 DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
628 },
629 },
86924de2
LCY		 630 {}
631};
632
745a5d21 633/* Find which quirks are needed for a particular vendor/ model pair */
76d51dd9 634static void __init find_quirks(void)
745a5d21
CC		 635{
636 if (!force_series) {
637 dmi_check_system(acer_quirks);
5241b193 638 dmi_check_system(non_acer_quirks);
745a5d21
CC		 639 } else if (force_series == 2490) {
640 quirks = &quirk_acer_travelmate_2490;
641 }
642
643 if (quirks == NULL)
644 quirks = &quirk_unknown;
645
646 set_quirks();
647}
648
649/*
650 * General interface convenience methods
651 */
652
653static bool has_cap(u32 cap)
654{
655 if ((interface->capability & cap) != 0)
656 return 1;
657
658 return 0;
659}
660
661/*
662 * AMW0 (V1) interface
663 */
664struct wmab_args {
665 u32 eax;
666 u32 ebx;
667 u32 ecx;
668 u32 edx;
669};
670
671struct wmab_ret {
672 u32 eax;
673 u32 ebx;
674 u32 ecx;
675 u32 edx;
676 u32 eex;
677};
678
679static acpi_status wmab_execute(struct wmab_args *regbuf,
680struct acpi_buffer *result)
681{
682 struct acpi_buffer input;
683 acpi_status status;
684 input.length = sizeof(struct wmab_args);
685 input.pointer = (u8 *)regbuf;
686
687 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
688
689 return status;
690}
691
38db157d 692static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 693{
694 int err;
695 u8 result;
696
697 switch (cap) {
698 case ACER_CAP_MAILLED:
699 switch (quirks->mailled) {
700 default:
701 err = ec_read(0xA, &result);
702 if (err)
703 return AE_ERROR;
704 *value = (result >> 7) & 0x1;
705 return AE_OK;
706 }
707 break;
708 case ACER_CAP_WIRELESS:
709 switch (quirks->wireless) {
710 case 1:
711 err = ec_read(0x7B, &result);
712 if (err)
713 return AE_ERROR;
714 *value = result & 0x1;
715 return AE_OK;
6f061ab5
CC		 716 case 2:
717 err = ec_read(0x71, &result);
718 if (err)
719 return AE_ERROR;
720 *value = result & 0x1;
721 return AE_OK;
15b956a0
LCY		 722 case 3:
723 err = ec_read(0x78, &result);
724 if (err)
725 return AE_ERROR;
726 *value = result & 0x1;
727 return AE_OK;
745a5d21
CC		 728 default:
729 err = ec_read(0xA, &result);
730 if (err)
731 return AE_ERROR;
732 *value = (result >> 2) & 0x1;
733 return AE_OK;
734 }
735 break;
736 case ACER_CAP_BLUETOOTH:
737 switch (quirks->bluetooth) {
738 default:
739 err = ec_read(0xA, &result);
740 if (err)
741 return AE_ERROR;
742 *value = (result >> 4) & 0x1;
743 return AE_OK;
744 }
745 break;
746 case ACER_CAP_BRIGHTNESS:
747 switch (quirks->brightness) {
748 default:
749 err = ec_read(0x83, &result);
750 if (err)
751 return AE_ERROR;
752 *value = result;
753 return AE_OK;
754 }
755 break;
756 default:
08237974 757 return AE_ERROR;
745a5d21
CC		 758 }
759 return AE_OK;
760}
761
38db157d 762static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 763{
764 struct wmab_args args;
765
766 args.eax = ACER_AMW0_WRITE;
767 args.ebx = value ? (1<<8) : 0;
768 args.ecx = args.edx = 0;
769
770 switch (cap) {
771 case ACER_CAP_MAILLED:
772 if (value > 1)
773 return AE_BAD_PARAMETER;
774 args.ebx |= ACER_AMW0_MAILLED_MASK;
775 break;
776 case ACER_CAP_WIRELESS:
777 if (value > 1)
778 return AE_BAD_PARAMETER;
779 args.ebx |= ACER_AMW0_WIRELESS_MASK;
780 break;
781 case ACER_CAP_BLUETOOTH:
782 if (value > 1)
783 return AE_BAD_PARAMETER;
784 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
785 break;
786 case ACER_CAP_BRIGHTNESS:
787 if (value > max_brightness)
788 return AE_BAD_PARAMETER;
789 switch (quirks->brightness) {
745a5d21 790 default:
4609d029
CC		 791 return ec_write(0x83, value);
792 break;
745a5d21
CC		 793 }
794 default:
08237974 795 return AE_ERROR;
745a5d21
CC		 796 }
797
798 /* Actually do the set */
799 return wmab_execute(&args, NULL);
800}
801
76d51dd9 802static acpi_status __init AMW0_find_mailled(void)
745a5d21
CC		 803{
804 struct wmab_args args;
805 struct wmab_ret ret;
806 acpi_status status = AE_OK;
807 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
808 union acpi_object *obj;
809
810 args.eax = 0x86;
811 args.ebx = args.ecx = args.edx = 0;
812
813 status = wmab_execute(&args, &out);
814 if (ACPI_FAILURE(status))
815 return status;
816
817 obj = (union acpi_object *) out.pointer;
818 if (obj && obj->type == ACPI_TYPE_BUFFER &&
819 obj->buffer.length == sizeof(struct wmab_ret)) {
820 ret = *((struct wmab_ret *) obj->buffer.pointer);
821 } else {
7677fbdf 822 kfree(out.pointer);
745a5d21
CC		 823 return AE_ERROR;
824 }
825
826 if (ret.eex & 0x1)
827 interface->capability |= ACER_CAP_MAILLED;
828
829 kfree(out.pointer);
830
831 return AE_OK;
832}
833
76d51dd9 834static const struct acpi_device_id norfkill_ids[] __initconst = {
461e7437
IP		 835 { "VPC2004", 0},
836 { "IBM0068", 0},
837 { "LEN0068", 0},
5719b819 838 { "SNY5001", 0}, /* sony-laptop in charge */
628b3198 839 { "HPQ6601", 0},
461e7437
IP		 840 { "", 0},
841};
842
76d51dd9 843static int __init AMW0_set_cap_acpi_check_device(void)
461e7437
IP		 844{
845 const struct acpi_device_id *id;
846
847 for (id = norfkill_ids; id->id[0]; id++)
8c92a75e
LW		 848 if (acpi_dev_found(id->id))
849 return true;
850
851 return false;
461e7437
IP		 852}
853
76d51dd9 854static acpi_status __init AMW0_set_capabilities(void)
745a5d21
CC		 855{
856 struct wmab_args args;
857 struct wmab_ret ret;
7677fbdf 858 acpi_status status;
745a5d21
CC		 859 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
860 union acpi_object *obj;
861
5753dd53
CC		 862 /*
863 * On laptops with this strange GUID (non Acer), normal probing doesn't
864 * work.
865 */
866 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 867 if ((quirks != &quirk_unknown) ||
868 !AMW0_set_cap_acpi_check_device())
869 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 870 return AE_OK;
871 }
872
745a5d21
CC		 873 args.eax = ACER_AMW0_WRITE;
874 args.ecx = args.edx = 0;
875
876 args.ebx = 0xa2 << 8;
877 args.ebx |= ACER_AMW0_WIRELESS_MASK;
878
879 status = wmab_execute(&args, &out);
880 if (ACPI_FAILURE(status))
881 return status;
882
7677fbdf 883 obj = out.pointer;
745a5d21
CC		 884 if (obj && obj->type == ACPI_TYPE_BUFFER &&
885 obj->buffer.length == sizeof(struct wmab_ret)) {
886 ret = *((struct wmab_ret *) obj->buffer.pointer);
887 } else {
7677fbdf
AL		 888 status = AE_ERROR;
889 goto out;
745a5d21
CC		 890 }
891
892 if (ret.eax & 0x1)
893 interface->capability |= ACER_CAP_WIRELESS;
894
895 args.ebx = 2 << 8;
896 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
897
7677fbdf
AL		 898 /*
899 * It's ok to use existing buffer for next wmab_execute call.
900 * But we need to kfree(out.pointer) if next wmab_execute fail.
901 */
745a5d21
CC		 902 status = wmab_execute(&args, &out);
903 if (ACPI_FAILURE(status))
7677fbdf 904 goto out;
745a5d21
CC		 905
906 obj = (union acpi_object *) out.pointer;
907 if (obj && obj->type == ACPI_TYPE_BUFFER
908 && obj->buffer.length == sizeof(struct wmab_ret)) {
909 ret = *((struct wmab_ret *) obj->buffer.pointer);
910 } else {
7677fbdf
AL		 911 status = AE_ERROR;
912 goto out;
745a5d21
CC		 913 }
914
915 if (ret.eax & 0x1)
916 interface->capability |= ACER_CAP_BLUETOOTH;
917
745a5d21
CC		 918 /*
919 * This appears to be safe to enable, since all Wistron based laptops
920 * appear to use the same EC register for brightness, even if they
921 * differ for wireless, etc
922 */
9991d9f2
CC		 923 if (quirks->brightness >= 0)
924 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 925
7677fbdf
AL		 926 status = AE_OK;
927out:
928 kfree(out.pointer);
929 return status;
745a5d21
CC		 930}
931
932static struct wmi_interface AMW0_interface = {
933 .type = ACER_AMW0,
934};
935
936static struct wmi_interface AMW0_V2_interface = {
937 .type = ACER_AMW0_V2,
938};
939
940/*
941 * New interface (The WMID interface)
942 */
943static acpi_status
944WMI_execute_u32(u32 method_id, u32 in, u32 *out)
945{
946 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
947 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
948 union acpi_object *obj;
f20aaba9 949 u32 tmp = 0;
745a5d21
CC		 950 acpi_status status;
951
952 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
953
954 if (ACPI_FAILURE(status))
955 return status;
956
957 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 958 if (obj) {
959 if (obj->type == ACPI_TYPE_BUFFER &&
960 (obj->buffer.length == sizeof(u32) ||
961 obj->buffer.length == sizeof(u64))) {
962 tmp = *((u32 *) obj->buffer.pointer);
963 } else if (obj->type == ACPI_TYPE_INTEGER) {
964 tmp = (u32) obj->integer.value;
965 }
745a5d21
CC		 966 }
967
968 if (out)
969 *out = tmp;
970
971 kfree(result.pointer);
972
973 return status;
974}
975
38db157d 976static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 977{
978 acpi_status status;
979 u8 tmp;
980 u32 result, method_id = 0;
981
982 switch (cap) {
983 case ACER_CAP_WIRELESS:
984 method_id = ACER_WMID_GET_WIRELESS_METHODID;
985 break;
986 case ACER_CAP_BLUETOOTH:
987 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
988 break;
989 case ACER_CAP_BRIGHTNESS:
990 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
991 break;
992 case ACER_CAP_THREEG:
993 method_id = ACER_WMID_GET_THREEG_METHODID;
994 break;
995 case ACER_CAP_MAILLED:
996 if (quirks->mailled == 1) {
997 ec_read(0x9f, &tmp);
998 *value = tmp & 0x1;
999 return 0;
1000 }
1001 default:
08237974 1002 return AE_ERROR;
745a5d21
CC		 1003 }
1004 status = WMI_execute_u32(method_id, 0, &result);
1005
1006 if (ACPI_SUCCESS(status))
1007 *value = (u8)result;
1008
1009 return status;
1010}
1011
38db157d 1012static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 1013{
1014 u32 method_id = 0;
1015 char param;
1016
1017 switch (cap) {
1018 case ACER_CAP_BRIGHTNESS:
1019 if (value > max_brightness)
1020 return AE_BAD_PARAMETER;
1021 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1022 break;
1023 case ACER_CAP_WIRELESS:
1024 if (value > 1)
1025 return AE_BAD_PARAMETER;
1026 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1027 break;
1028 case ACER_CAP_BLUETOOTH:
1029 if (value > 1)
1030 return AE_BAD_PARAMETER;
1031 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1032 break;
1033 case ACER_CAP_THREEG:
1034 if (value > 1)
1035 return AE_BAD_PARAMETER;
1036 method_id = ACER_WMID_SET_THREEG_METHODID;
1037 break;
1038 case ACER_CAP_MAILLED:
1039 if (value > 1)
1040 return AE_BAD_PARAMETER;
1041 if (quirks->mailled == 1) {
1042 param = value ? 0x92 : 0x93;
181d683d 1043 i8042_lock_chip();
745a5d21 1044 i8042_command(&param, 0x1059);
181d683d 1045 i8042_unlock_chip();
745a5d21
CC		 1046 return 0;
1047 }
1048 break;
1049 default:
08237974 1050 return AE_ERROR;
745a5d21
CC		 1051 }
1052 return WMI_execute_u32(method_id, (u32)value, NULL);
1053}
1054
72e71de1
LCY		 1055static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1056{
1057 struct wmid3_gds_return_value return_value;
1058 acpi_status status;
1059 union acpi_object *obj;
996d23ba 1060 struct wmid3_gds_get_input_param params = {
72e71de1 1061 .function_num = 0x1,
34b6cfab 1062 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1063 .devices = device,
1064 };
1065 struct acpi_buffer input = {
996d23ba 1066 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1067 &params
1068 };
1069 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1070
1071 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1072 if (ACPI_FAILURE(status))
1073 return status;
1074
1075 obj = output.pointer;
1076
1077 if (!obj)
1078 return AE_ERROR;
1079 else if (obj->type != ACPI_TYPE_BUFFER) {
1080 kfree(obj);
1081 return AE_ERROR;
1082 }
1083 if (obj->buffer.length != 8) {
1084 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1085 kfree(obj);
1086 return AE_ERROR;
1087 }
1088
1089 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1090 kfree(obj);
1091
1092 if (return_value.error_code || return_value.ec_return_value)
1093 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1094 device,
1095 return_value.error_code,
1096 return_value.ec_return_value);
1097 else
1098 *value = !!(return_value.devices & device);
1099
1100 return status;
1101}
1102
1103static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1104{
1105 u16 device;
1106
1107 switch (cap) {
1108 case ACER_CAP_WIRELESS:
1109 device = ACER_WMID3_GDS_WIRELESS;
1110 break;
1111 case ACER_CAP_BLUETOOTH:
1112 device = ACER_WMID3_GDS_BLUETOOTH;
1113 break;
1114 case ACER_CAP_THREEG:
1115 device = ACER_WMID3_GDS_THREEG;
1116 break;
1117 default:
1118 return AE_ERROR;
1119 }
1120 return wmid3_get_device_status(value, device);
1121}
1122
1123static acpi_status wmid3_set_device_status(u32 value, u16 device)
1124{
1125 struct wmid3_gds_return_value return_value;
1126 acpi_status status;
1127 union acpi_object *obj;
1128 u16 devices;
996d23ba 1129 struct wmid3_gds_get_input_param get_params = {
72e71de1 1130 .function_num = 0x1,
34b6cfab 1131 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1132 .devices = commun_func_bitmap,
72e71de1 1133 };
996d23ba
LCY		 1134 struct acpi_buffer get_input = {
1135 sizeof(struct wmid3_gds_get_input_param),
1136 &get_params
1137 };
1138 struct wmid3_gds_set_input_param set_params = {
1139 .function_num = 0x2,
1140 .hotkey_number = commun_fn_key_number,
1141 .devices = commun_func_bitmap,
1142 };
1143 struct acpi_buffer set_input = {
1144 sizeof(struct wmid3_gds_set_input_param),
1145 &set_params
72e71de1
LCY		 1146 };
1147 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1148 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1149
996d23ba 1150 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1151 if (ACPI_FAILURE(status))
1152 return status;
1153
1154 obj = output.pointer;
1155
1156 if (!obj)
1157 return AE_ERROR;
1158 else if (obj->type != ACPI_TYPE_BUFFER) {
1159 kfree(obj);
1160 return AE_ERROR;
1161 }
1162 if (obj->buffer.length != 8) {
6e71f38b 1163 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1164 kfree(obj);
1165 return AE_ERROR;
1166 }
1167
1168 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1169 kfree(obj);
1170
1171 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1172 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1173 return_value.error_code,
72e71de1
LCY		 1174 return_value.ec_return_value);
1175 return status;
1176 }
1177
1178 devices = return_value.devices;
996d23ba 1179 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1180
996d23ba 1181 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1182 if (ACPI_FAILURE(status))
1183 return status;
1184
1185 obj = output2.pointer;
1186
1187 if (!obj)
1188 return AE_ERROR;
1189 else if (obj->type != ACPI_TYPE_BUFFER) {
1190 kfree(obj);
1191 return AE_ERROR;
1192 }
1193 if (obj->buffer.length != 4) {
6e71f38b 1194 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1195 kfree(obj);
1196 return AE_ERROR;
1197 }
1198
1199 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1200 kfree(obj);
1201
1202 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1203 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1204 return_value.error_code,
72e71de1
LCY		 1205 return_value.ec_return_value);
1206
1207 return status;
1208}
1209
1210static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1211{
1212 u16 device;
1213
1214 switch (cap) {
1215 case ACER_CAP_WIRELESS:
1216 device = ACER_WMID3_GDS_WIRELESS;
1217 break;
1218 case ACER_CAP_BLUETOOTH:
1219 device = ACER_WMID3_GDS_BLUETOOTH;
1220 break;
1221 case ACER_CAP_THREEG:
1222 device = ACER_WMID3_GDS_THREEG;
1223 break;
1224 default:
1225 return AE_ERROR;
1226 }
1227 return wmid3_set_device_status(value, device);
1228}
1229
76d51dd9 1230static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
6c3df88f
LCY		 1231{
1232 struct hotkey_function_type_aa *type_aa;
1233
1234 /* We are looking for OEM-specific Type AAh */
1235 if (header->type != 0xAA)
1236 return;
1237
1238 has_type_aa = true;
1239 type_aa = (struct hotkey_function_type_aa *) header;
1240
cae15702 1241 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1242 type_aa->commun_func_bitmap);
1d1fc8a7 1243 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1244
1245 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1246 interface->capability |= ACER_CAP_WIRELESS;
1247 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1248 interface->capability |= ACER_CAP_THREEG;
1249 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1250 interface->capability |= ACER_CAP_BLUETOOTH;
34b6cfab
LCY		 1251
1252 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1253}
1254
76d51dd9 1255static acpi_status __init WMID_set_capabilities(void)
745a5d21
CC		 1256{
1257 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1258 union acpi_object *obj;
1259 acpi_status status;
1260 u32 devices;
1261
1262 status = wmi_query_block(WMID_GUID2, 1, &out);
1263 if (ACPI_FAILURE(status))
1264 return status;
1265
1266 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1267 if (obj) {
1268 if (obj->type == ACPI_TYPE_BUFFER &&
1269 (obj->buffer.length == sizeof(u32) ||
1270 obj->buffer.length == sizeof(u64))) {
1271 devices = *((u32 *) obj->buffer.pointer);
1272 } else if (obj->type == ACPI_TYPE_INTEGER) {
1273 devices = (u32) obj->integer.value;
f24c96ea
LCY		 1274 } else {
1275 kfree(out.pointer);
1276 return AE_ERROR;
f20aaba9 1277 }
745a5d21 1278 } else {
66904863 1279 kfree(out.pointer);
745a5d21
CC		 1280 return AE_ERROR;
1281 }
1282
1fbc01a7
LCY		 1283 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1284 if (devices & 0x07)
1285 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1286 if (devices & 0x40)
1287 interface->capability |= ACER_CAP_THREEG;
1288 if (devices & 0x10)
1289 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1290
745a5d21
CC		 1291 if (!(devices & 0x20))
1292 max_brightness = 0x9;
1293
66904863 1294 kfree(out.pointer);
745a5d21
CC		 1295 return status;
1296}
1297
1298static struct wmi_interface wmid_interface = {
1299 .type = ACER_WMID,
1300};
1301
72e71de1
LCY		 1302static struct wmi_interface wmid_v2_interface = {
1303 .type = ACER_WMID_v2,
1304};
1305
745a5d21
CC		 1306/*
1307 * Generic Device (interface-independent)
1308 */
1309
1310static acpi_status get_u32(u32 *value, u32 cap)
1311{
08237974 1312 acpi_status status = AE_ERROR;
745a5d21
CC		 1313
1314 switch (interface->type) {
1315 case ACER_AMW0:
38db157d 1316 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1317 break;
1318 case ACER_AMW0_V2:
1319 if (cap == ACER_CAP_MAILLED) {
38db157d 1320 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1321 break;
1322 }
1323 case ACER_WMID:
38db157d 1324 status = WMID_get_u32(value, cap);
745a5d21 1325 break;
72e71de1
LCY		 1326 case ACER_WMID_v2:
1327 if (cap & (ACER_CAP_WIRELESS |
1328 ACER_CAP_BLUETOOTH |
1329 ACER_CAP_THREEG))
1330 status = wmid_v2_get_u32(value, cap);
1331 else if (wmi_has_guid(WMID_GUID2))
38db157d 1332 status = WMID_get_u32(value, cap);
72e71de1 1333 break;
745a5d21
CC		 1334 }
1335
1336 return status;
1337}
1338
1339static acpi_status set_u32(u32 value, u32 cap)
1340{
5c742b45
CC		 1341 acpi_status status;
1342
745a5d21
CC		 1343 if (interface->capability & cap) {
1344 switch (interface->type) {
1345 case ACER_AMW0:
38db157d 1346 return AMW0_set_u32(value, cap);
745a5d21 1347 case ACER_AMW0_V2:
5c742b45 1348 if (cap == ACER_CAP_MAILLED)
38db157d 1349 return AMW0_set_u32(value, cap);
5c742b45
CC		 1350
1351 /*
1352 * On some models, some WMID methods don't toggle
1353 * properly. For those cases, we want to run the AMW0
1354 * method afterwards to be certain we've really toggled
1355 * the device state.
1356 */
1357 if (cap == ACER_CAP_WIRELESS ||
1358 cap == ACER_CAP_BLUETOOTH) {
38db157d 1359 status = WMID_set_u32(value, cap);
5c742b45
CC		 1360 if (ACPI_FAILURE(status))
1361 return status;
1362
38db157d 1363 return AMW0_set_u32(value, cap);
5c742b45 1364 }
745a5d21 1365 case ACER_WMID:
38db157d 1366 return WMID_set_u32(value, cap);
72e71de1
LCY		 1367 case ACER_WMID_v2:
1368 if (cap & (ACER_CAP_WIRELESS |
1369 ACER_CAP_BLUETOOTH |
1370 ACER_CAP_THREEG))
1371 return wmid_v2_set_u32(value, cap);
1372 else if (wmi_has_guid(WMID_GUID2))
38db157d 1373 return WMID_set_u32(value, cap);
745a5d21
CC		 1374 default:
1375 return AE_BAD_PARAMETER;
1376 }
1377 }
1378 return AE_BAD_PARAMETER;
1379}
1380
1381static void __init acer_commandline_init(void)
1382{
1383 /*
1384 * These will all fail silently if the value given is invalid, or the
1385 * capability isn't available on the given interface
1386 */
c2647b5e
LCY		 1387 if (mailled >= 0)
1388 set_u32(mailled, ACER_CAP_MAILLED);
1389 if (!has_type_aa && threeg >= 0)
6c3df88f 1390 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1391 if (brightness >= 0)
1392 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1393}
1394
1395/*
1396 * LED device (Mail LED only, no other LEDs known yet)
1397 */
1398static void mail_led_set(struct led_classdev *led_cdev,
1399enum led_brightness value)
1400{
1401 set_u32(value, ACER_CAP_MAILLED);
1402}
1403
1404static struct led_classdev mail_led = {
343c0042 1405 .name = "acer-wmi::mail",
745a5d21
CC		 1406 .brightness_set = mail_led_set,
1407};
1408
b859f159 1409static int acer_led_init(struct device *dev)
745a5d21
CC		 1410{
1411 return led_classdev_register(dev, &mail_led);
1412}
1413
1414static void acer_led_exit(void)
1415{
9a0b74fd 1416 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1417 led_classdev_unregister(&mail_led);
1418}
1419
1420/*
1421 * Backlight device
1422 */
1423static struct backlight_device *acer_backlight_device;
1424
1425static int read_brightness(struct backlight_device *bd)
1426{
1427 u32 value;
1428 get_u32(&value, ACER_CAP_BRIGHTNESS);
1429 return value;
1430}
1431
1432static int update_bl_status(struct backlight_device *bd)
1433{
f2b585b4
CC		 1434 int intensity = bd->props.brightness;
1435
1436 if (bd->props.power != FB_BLANK_UNBLANK)
1437 intensity = 0;
1438 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1439 intensity = 0;
1440
1441 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1442
745a5d21
CC		 1443 return 0;
1444}
1445
acc2472e 1446static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1447 .get_brightness = read_brightness,
1448 .update_status = update_bl_status,
1449};
1450
b859f159 1451static int acer_backlight_init(struct device *dev)
745a5d21 1452{
a19a6ee6 1453 struct backlight_properties props;
745a5d21
CC		 1454 struct backlight_device *bd;
1455
a19a6ee6 1456 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1457 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1458 props.max_brightness = max_brightness;
1459 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1460 &props);
745a5d21 1461 if (IS_ERR(bd)) {
cae15702 1462 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1463 acer_backlight_device = NULL;
1464 return PTR_ERR(bd);
1465 }
1466
1467 acer_backlight_device = bd;
1468
f2b585b4 1469 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1470 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1471 backlight_update_status(bd);
1472 return 0;
1473}
1474
7560e385 1475static void acer_backlight_exit(void)
745a5d21
CC		 1476{
1477 backlight_device_unregister(acer_backlight_device);
1478}
1479
1eb3fe1d
MV		 1480/*
1481 * Accelerometer device
1482 */
1483static acpi_handle gsensor_handle;
1484
1485static int acer_gsensor_init(void)
1486{
1487 acpi_status status;
1488 struct acpi_buffer output;
1489 union acpi_object out_obj;
1490
1491 output.length = sizeof(out_obj);
1492 output.pointer = &out_obj;
1493 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1494 if (ACPI_FAILURE(status))
1495 return -1;
1496
1497 return 0;
1498}
1499
1500static int acer_gsensor_open(struct input_dev *input)
1501{
1502 return acer_gsensor_init();
1503}
1504
1505static int acer_gsensor_event(void)
1506{
1507 acpi_status status;
1508 struct acpi_buffer output;
1509 union acpi_object out_obj[5];
1510
1511 if (!has_cap(ACER_CAP_ACCEL))
1512 return -1;
1513
1514 output.length = sizeof(out_obj);
1515 output.pointer = out_obj;
1516
1517 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1518 if (ACPI_FAILURE(status))
1519 return -1;
1520
1521 if (out_obj->package.count != 4)
1522 return -1;
1523
1524 input_report_abs(acer_wmi_accel_dev, ABS_X,
1525 (s16)out_obj->package.elements[0].integer.value);
1526 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1527 (s16)out_obj->package.elements[1].integer.value);
1528 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1529 (s16)out_obj->package.elements[2].integer.value);
1530 input_sync(acer_wmi_accel_dev);
1531 return 0;
1532}
1533
0606e1ab
CC		 1534/*
1535 * Rfkill devices
1536 */
0606e1ab
CC		 1537static void acer_rfkill_update(struct work_struct *ignored);
1538static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1539static void acer_rfkill_update(struct work_struct *ignored)
1540{
1541 u32 state;
1542 acpi_status status;
1543
1709adab
LCY		 1544 if (has_cap(ACER_CAP_WIRELESS)) {
1545 status = get_u32(&state, ACER_CAP_WIRELESS);
1546 if (ACPI_SUCCESS(status)) {
1547 if (quirks->wireless == 3)
1548 rfkill_set_hw_state(wireless_rfkill, !state);
1549 else
1550 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1551 }
1552 }
0606e1ab
CC		 1553
1554 if (has_cap(ACER_CAP_BLUETOOTH)) {
1555 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1556 if (ACPI_SUCCESS(status))
a878417c 1557 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1558 }
1559
b3c9092b 1560 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1561 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1562 if (ACPI_SUCCESS(status))
1563 rfkill_set_sw_state(threeg_rfkill, !state);
1564 }
1565
ae3a1b46 1566 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1567}
1568
19d337df 1569static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1570{
1571 acpi_status status;
19d337df 1572 u32 cap = (unsigned long)data;
8215af01
LCY		 1573
1574 if (rfkill_inited) {
72e71de1 1575 status = set_u32(!blocked, cap);
8215af01
LCY		 1576 if (ACPI_FAILURE(status))
1577 return -ENODEV;
1578 }
1579
0606e1ab
CC		 1580 return 0;
1581}
1582
19d337df
JB		 1583static const struct rfkill_ops acer_rfkill_ops = {
1584 .set_block = acer_rfkill_set,
1585};
1586
1587static struct rfkill *acer_rfkill_register(struct device *dev,
1588 enum rfkill_type type,
1589 char *name, u32 cap)
0606e1ab
CC		 1590{
1591 int err;
0606e1ab 1592 struct rfkill *rfkill_dev;
466449cf
LCY		 1593 u32 state;
1594 acpi_status status;
0606e1ab 1595
19d337df
JB		 1596 rfkill_dev = rfkill_alloc(name, dev, type,
1597 &acer_rfkill_ops,
1598 (void *)(unsigned long)cap);
0606e1ab
CC		 1599 if (!rfkill_dev)
1600 return ERR_PTR(-ENOMEM);
0606e1ab 1601
72e71de1 1602 status = get_u32(&state, cap);
466449cf 1603
0606e1ab
CC		 1604 err = rfkill_register(rfkill_dev);
1605 if (err) {
19d337df 1606 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1607 return ERR_PTR(err);
1608 }
8215af01
LCY		 1609
1610 if (ACPI_SUCCESS(status))
1611 rfkill_set_sw_state(rfkill_dev, !state);
1612
0606e1ab
CC		 1613 return rfkill_dev;
1614}
1615
1616static int acer_rfkill_init(struct device *dev)
1617{
1709adab
LCY		 1618 int err;
1619
1620 if (has_cap(ACER_CAP_WIRELESS)) {
1621 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1622 "acer-wireless", ACER_CAP_WIRELESS);
1623 if (IS_ERR(wireless_rfkill)) {
1624 err = PTR_ERR(wireless_rfkill);
1625 goto error_wireless;
1626 }
1627 }
0606e1ab
CC		 1628
1629 if (has_cap(ACER_CAP_BLUETOOTH)) {
1630 bluetooth_rfkill = acer_rfkill_register(dev,
1631 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1632 ACER_CAP_BLUETOOTH);
1633 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1634 err = PTR_ERR(bluetooth_rfkill);
1635 goto error_bluetooth;
0606e1ab
CC		 1636 }
1637 }
1638
b3c9092b
LCY		 1639 if (has_cap(ACER_CAP_THREEG)) {
1640 threeg_rfkill = acer_rfkill_register(dev,
1641 RFKILL_TYPE_WWAN, "acer-threeg",
1642 ACER_CAP_THREEG);
1643 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1644 err = PTR_ERR(threeg_rfkill);
1645 goto error_threeg;
b3c9092b
LCY		 1646 }
1647 }
1648
8215af01
LCY		 1649 rfkill_inited = true;
1650
1709adab
LCY		 1651 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1652 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904
LCY		 1653 schedule_delayed_work(&acer_rfkill_work,
1654 round_jiffies_relative(HZ));
0606e1ab
CC		 1655
1656 return 0;
1709adab
LCY		 1657
1658error_threeg:
1659 if (has_cap(ACER_CAP_BLUETOOTH)) {
1660 rfkill_unregister(bluetooth_rfkill);
1661 rfkill_destroy(bluetooth_rfkill);
1662 }
1663error_bluetooth:
1664 if (has_cap(ACER_CAP_WIRELESS)) {
1665 rfkill_unregister(wireless_rfkill);
1666 rfkill_destroy(wireless_rfkill);
1667 }
1668error_wireless:
1669 return err;
0606e1ab
CC		 1670}
1671
1672static void acer_rfkill_exit(void)
1673{
1709adab
LCY		 1674 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1675 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1676 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1677
1709adab
LCY		 1678 if (has_cap(ACER_CAP_WIRELESS)) {
1679 rfkill_unregister(wireless_rfkill);
1680 rfkill_destroy(wireless_rfkill);
1681 }
19d337df 1682
0606e1ab 1683 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1684 rfkill_unregister(bluetooth_rfkill);
19d337df 1685 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1686 }
b3c9092b
LCY		 1687
1688 if (has_cap(ACER_CAP_THREEG)) {
1689 rfkill_unregister(threeg_rfkill);
1690 rfkill_destroy(threeg_rfkill);
1691 }
0606e1ab
CC		 1692 return;
1693}
1694
3fdca87d
LCY		 1695static void acer_wmi_notify(u32 value, void *context)
1696{
1697 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1698 union acpi_object *obj;
1699 struct event_return_value return_value;
1700 acpi_status status;
92530664
SF		 1701 u16 device_state;
1702 const struct key_entry *key;
8e2286ce 1703 u32 scancode;
3fdca87d
LCY		 1704
1705 status = wmi_get_event_data(value, &response);
1706 if (status != AE_OK) {
249c720d 1707 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1708 return;
1709 }
1710
1711 obj = (union acpi_object *)response.pointer;
1712
1713 if (!obj)
1714 return;
1715 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1716 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1717 kfree(obj);
1718 return;
1719 }
1720 if (obj->buffer.length != 8) {
249c720d 1721 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1722 kfree(obj);
1723 return;
1724 }
1725
1726 return_value = *((struct event_return_value *)obj->buffer.pointer);
1727 kfree(obj);
1728
1729 switch (return_value.function) {
1730 case WMID_HOTKEY_EVENT:
92530664
SF		 1731 device_state = return_value.device_state;
1732 pr_debug("device state: 0x%x\n", device_state);
1733
1734 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1735 return_value.key_num);
1736 if (!key) {
249c720d 1737 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1738 return_value.key_num);
92530664 1739 } else {
8e2286ce 1740 scancode = return_value.key_num;
92530664
SF		 1741 switch (key->keycode) {
1742 case KEY_WLAN:
1743 case KEY_BLUETOOTH:
1744 if (has_cap(ACER_CAP_WIRELESS))
1745 rfkill_set_sw_state(wireless_rfkill,
1746 !(device_state & ACER_WMID3_GDS_WIRELESS));
1747 if (has_cap(ACER_CAP_THREEG))
1748 rfkill_set_sw_state(threeg_rfkill,
1749 !(device_state & ACER_WMID3_GDS_THREEG));
1750 if (has_cap(ACER_CAP_BLUETOOTH))
1751 rfkill_set_sw_state(bluetooth_rfkill,
1752 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1753 break;
8e2286ce
LCY		 1754 case KEY_TOUCHPAD_TOGGLE:
1755 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1756 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1757 }
8e2286ce 1758 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1759 }
3fdca87d 1760 break;
1eb3fe1d
MV		 1761 case WMID_ACCEL_EVENT:
1762 acer_gsensor_event();
1763 break;
3fdca87d 1764 default:
249c720d 1765 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1766 return_value.function, return_value.key_num);
1767 break;
1768 }
1769}
1770
76d51dd9 1771static acpi_status __init
59ccf2f3
FLCY		 1772wmid3_set_lm_mode(struct lm_input_params *params,
1773 struct lm_return_value *return_value)
1774{
1775 acpi_status status;
1776 union acpi_object *obj;
1777
1778 struct acpi_buffer input = { sizeof(struct lm_input_params), params };
1779 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1780
1781 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1782 if (ACPI_FAILURE(status))
1783 return status;
1784
1785 obj = output.pointer;
1786
1787 if (!obj)
1788 return AE_ERROR;
1789 else if (obj->type != ACPI_TYPE_BUFFER) {
1790 kfree(obj);
1791 return AE_ERROR;
1792 }
1793 if (obj->buffer.length != 4) {
249c720d 1794 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1795 kfree(obj);
1796 return AE_ERROR;
1797 }
1798
1799 *return_value = *((struct lm_return_value *)obj->buffer.pointer);
1800 kfree(obj);
1801
1802 return status;
1803}
1804
76d51dd9 1805static int __init acer_wmi_enable_ec_raw(void)
59ccf2f3
FLCY		 1806{
1807 struct lm_return_value return_value;
1808 acpi_status status;
1809 struct lm_input_params params = {
1810 .function_num = 0x1,
1811 .commun_devices = 0xFFFF,
1812 .devices = 0xFFFF,
1813 .lm_status = 0x00, /* Launch Manager Deactive */
1814 };
1815
1816 status = wmid3_set_lm_mode(&params, &return_value);
1817
1818 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1819 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1820 return_value.error_code,
1821 return_value.ec_return_value);
59ccf2f3 1822 else
249c720d 1823 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1824
1825 return status;
1826}
1827
76d51dd9 1828static int __init acer_wmi_enable_lm(void)
59ccf2f3
FLCY		 1829{
1830 struct lm_return_value return_value;
1831 acpi_status status;
1832 struct lm_input_params params = {
1833 .function_num = 0x1,
1834 .commun_devices = 0xFFFF,
1835 .devices = 0xFFFF,
1836 .lm_status = 0x01, /* Launch Manager Active */
1837 };
1838
1839 status = wmid3_set_lm_mode(&params, &return_value);
1840
1841 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1842 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1843 return_value.error_code,
1844 return_value.ec_return_value);
59ccf2f3
FLCY		 1845
1846 return status;
1847}
1848
1eb3fe1d
MV		 1849static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1850 void *ctx, void **retval)
1851{
1852 *(acpi_handle *)retval = ah;
1853 return AE_OK;
1854}
1855
1856static int __init acer_wmi_get_handle(const char *name, const char *prop,
1857 acpi_handle *ah)
1858{
1859 acpi_status status;
1860 acpi_handle handle;
1861
1862 BUG_ON(!name || !ah);
1863
24237c43 1864 handle = NULL;
1eb3fe1d
MV		 1865 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1866 (void *)name, &handle);
1867
1868 if (ACPI_SUCCESS(status)) {
1869 *ah = handle;
1870 return 0;
1871 } else {
1872 return -ENODEV;
1873 }
1874}
1875
1876static int __init acer_wmi_accel_setup(void)
1877{
1878 int err;
1879
1880 err = acer_wmi_get_handle("SENR", "BST0001", &gsensor_handle);
1881 if (err)
1882 return err;
1883
1884 interface->capability |= ACER_CAP_ACCEL;
1885
1886 acer_wmi_accel_dev = input_allocate_device();
1887 if (!acer_wmi_accel_dev)
1888 return -ENOMEM;
1889
1890 acer_wmi_accel_dev->open = acer_gsensor_open;
1891
1892 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1893 acer_wmi_accel_dev->phys = "wmi/input1";
1894 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1895 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1896 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1897 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1898 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1899
1900 err = input_register_device(acer_wmi_accel_dev);
1901 if (err)
1902 goto err_free_dev;
1903
1904 return 0;
1905
1906err_free_dev:
1907 input_free_device(acer_wmi_accel_dev);
1908 return err;
1909}
1910
1911static void acer_wmi_accel_destroy(void)
1912{
1913 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1914}
1915
3fdca87d
LCY		 1916static int __init acer_wmi_input_setup(void)
1917{
1918 acpi_status status;
1919 int err;
1920
1921 acer_wmi_input_dev = input_allocate_device();
1922 if (!acer_wmi_input_dev)
1923 return -ENOMEM;
1924
1925 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1926 acer_wmi_input_dev->phys = "wmi/input0";
1927 acer_wmi_input_dev->id.bustype = BUS_HOST;
1928
1929 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1930 if (err)
1931 goto err_free_dev;
1932
1933 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1934 acer_wmi_notify, NULL);
1935 if (ACPI_FAILURE(status)) {
1936 err = -EIO;
1937 goto err_free_keymap;
1938 }
1939
1940 err = input_register_device(acer_wmi_input_dev);
1941 if (err)
1942 goto err_uninstall_notifier;
1943
1944 return 0;
1945
1946err_uninstall_notifier:
1947 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1948err_free_keymap:
1949 sparse_keymap_free(acer_wmi_input_dev);
1950err_free_dev:
1951 input_free_device(acer_wmi_input_dev);
1952 return err;
1953}
1954
1955static void acer_wmi_input_destroy(void)
1956{
1957 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1958 sparse_keymap_free(acer_wmi_input_dev);
1959 input_unregister_device(acer_wmi_input_dev);
1960}
1961
81143522
CC		 1962/*
1963 * debugfs functions
1964 */
1965static u32 get_wmid_devices(void)
1966{
1967 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1968 union acpi_object *obj;
1969 acpi_status status;
66904863 1970 u32 devices = 0;
81143522
CC		 1971
1972 status = wmi_query_block(WMID_GUID2, 1, &out);
1973 if (ACPI_FAILURE(status))
1974 return 0;
1975
1976 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1977 if (obj) {
1978 if (obj->type == ACPI_TYPE_BUFFER &&
1979 (obj->buffer.length == sizeof(u32) ||
1980 obj->buffer.length == sizeof(u64))) {
1981 devices = *((u32 *) obj->buffer.pointer);
1982 } else if (obj->type == ACPI_TYPE_INTEGER) {
1983 devices = (u32) obj->integer.value;
1984 }
81143522 1985 }
66904863
AL		 1986
1987 kfree(out.pointer);
1988 return devices;
81143522
CC		 1989}
1990
745a5d21
CC		 1991/*
1992 * Platform device
1993 */
b859f159 1994static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 1995{
1996 int err;
1997
1998 if (has_cap(ACER_CAP_MAILLED)) {
1999 err = acer_led_init(&device->dev);
2000 if (err)
2001 goto error_mailled;
2002 }
2003
2004 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2005 err = acer_backlight_init(&device->dev);
2006 if (err)
2007 goto error_brightness;
2008 }
2009
0606e1ab 2010 err = acer_rfkill_init(&device->dev);
350e3290
AW		 2011 if (err)
2012 goto error_rfkill;
0606e1ab
CC		 2013
2014 return err;
745a5d21 2015
350e3290
AW		 2016error_rfkill:
2017 if (has_cap(ACER_CAP_BRIGHTNESS))
2018 acer_backlight_exit();
745a5d21 2019error_brightness:
350e3290
AW		 2020 if (has_cap(ACER_CAP_MAILLED))
2021 acer_led_exit();
745a5d21
CC		 2022error_mailled:
2023 return err;
2024}
2025
2026static int acer_platform_remove(struct platform_device *device)
2027{
2028 if (has_cap(ACER_CAP_MAILLED))
2029 acer_led_exit();
2030 if (has_cap(ACER_CAP_BRIGHTNESS))
2031 acer_backlight_exit();
0606e1ab
CC		 2032
2033 acer_rfkill_exit();
745a5d21
CC		 2034 return 0;
2035}
2036
80f65558 2037#ifdef CONFIG_PM_SLEEP
3c33be0b 2038static int acer_suspend(struct device *dev)
745a5d21
CC		 2039{
2040 u32 value;
2041 struct acer_data *data = &interface->data;
2042
2043 if (!data)
2044 return -ENOMEM;
2045
745a5d21
CC		 2046 if (has_cap(ACER_CAP_MAILLED)) {
2047 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2048 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2049 data->mailled = value;
2050 }
2051
2052 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2053 get_u32(&value, ACER_CAP_BRIGHTNESS);
2054 data->brightness = value;
2055 }
2056
2057 return 0;
2058}
2059
3c33be0b 2060static int acer_resume(struct device *dev)
745a5d21
CC		 2061{
2062 struct acer_data *data = &interface->data;
2063
2064 if (!data)
2065 return -ENOMEM;
2066
745a5d21
CC		 2067 if (has_cap(ACER_CAP_MAILLED))
2068 set_u32(data->mailled, ACER_CAP_MAILLED);
2069
2070 if (has_cap(ACER_CAP_BRIGHTNESS))
2071 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2072
1eb3fe1d
MV		 2073 if (has_cap(ACER_CAP_ACCEL))
2074 acer_gsensor_init();
2075
745a5d21
CC		 2076 return 0;
2077}
80f65558
MK		 2078#else
2079#define acer_suspend NULL
2080#define acer_resume NULL
2081#endif
745a5d21 2082
3c33be0b
RW		 2083static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2084
9a0b74fd
PR		 2085static void acer_platform_shutdown(struct platform_device *device)
2086{
2087 struct acer_data *data = &interface->data;
2088
2089 if (!data)
2090 return;
2091
2092 if (has_cap(ACER_CAP_MAILLED))
2093 set_u32(LED_OFF, ACER_CAP_MAILLED);
2094}
2095
745a5d21
CC		 2096static struct platform_driver acer_platform_driver = {
2097 .driver = {
2098 .name = "acer-wmi",
3c33be0b 2099 .pm = &acer_pm,
745a5d21
CC		 2100 },
2101 .probe = acer_platform_probe,
2102 .remove = acer_platform_remove,
9a0b74fd 2103 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2104};
2105
2106static struct platform_device *acer_platform_device;
2107
81143522
CC		 2108static void remove_debugfs(void)
2109{
2110 debugfs_remove(interface->debug.devices);
2111 debugfs_remove(interface->debug.root);
2112}
2113
76d51dd9 2114static int __init create_debugfs(void)
81143522
CC		 2115{
2116 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2117 if (!interface->debug.root) {
cae15702 2118 pr_err("Failed to create debugfs directory");
81143522
CC		 2119 return -ENOMEM;
2120 }
2121
2122 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2123 interface->debug.root,
2124 &interface->debug.wmid_devices);
2125 if (!interface->debug.devices)
2126 goto error_debugfs;
2127
2128 return 0;
2129
2130error_debugfs:
39dbbb45 2131 remove_debugfs();
81143522
CC		 2132 return -ENOMEM;
2133}
2134
745a5d21
CC		 2135static int __init acer_wmi_init(void)
2136{
2137 int err;
2138
cae15702 2139 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2140
a74dd5fd 2141 if (dmi_check_system(acer_blacklist)) {
cae15702 2142 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2143 return -ENODEV;
2144 }
2145
9991d9f2
CC		 2146 find_quirks();
2147
5241b193
LCY		 2148 /*
2149 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2150 * machines like Lenovo, Fujitsu and Medion. In the past days,
2151 * acer-wmi driver handled those non-Acer machines by quirks list.
2152 * But actually acer-wmi driver was loaded on any machines that have
2153 * AMW0_GUID1. This behavior is strange because those machines should
2154 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2155 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2156 * should be in Acer/Gateway/Packard Bell white list, or it's already
2157 * in the past quirk list.
2158 */
2159 if (wmi_has_guid(AMW0_GUID1) &&
2160 !dmi_check_system(amw0_whitelist) &&
2161 quirks == &quirk_unknown) {
2162 pr_err("Unsupported machine has AMW0_GUID1, unable to load\n");
2163 return -ENODEV;
2164 }
2165
745a5d21
CC		 2166 /*
2167 * Detect which ACPI-WMI interface we're using.
2168 */
2169 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2170 interface = &AMW0_V2_interface;
2171
2172 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2173 interface = &wmid_interface;
2174
72e71de1
LCY		 2175 if (wmi_has_guid(WMID_GUID3))
2176 interface = &wmid_v2_interface;
2177
2178 if (interface)
2179 dmi_walk(type_aa_dmi_decode, NULL);
2180
745a5d21 2181 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2182 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2183 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2184 return -ENODEV;
2185 }
72e71de1
LCY		 2186 /* WMID always provides brightness methods */
2187 interface->capability |= ACER_CAP_BRIGHTNESS;
2188 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2189 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2190 return -ENODEV;
2191 }
2192
2193 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2194 interface = &AMW0_interface;
2195
2196 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2197 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2198 return -ENODEV;
2199 }
2200 }
2201
9b963c40
CC		 2202 if (wmi_has_guid(AMW0_GUID1))
2203 AMW0_find_mailled();
745a5d21 2204
745a5d21 2205 if (!interface) {
cae15702 2206 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2207 return -ENODEV;
2208 }
2209
83097aca
AV		 2210 set_quirks();
2211
a60b2176 2212 if (dmi_check_system(video_vendor_dmi_table))
9a65f0df
HG		 2213 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2214
2215 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
a60b2176 2216 interface->capability &= ~ACER_CAP_BRIGHTNESS;
febf2d95 2217
59ccf2f3
FLCY		 2218 if (wmi_has_guid(WMID_GUID3)) {
2219 if (ec_raw_mode) {
2220 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2221 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2222 return -ENODEV;
2223 }
2224 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2225 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2226 return -ENODEV;
2227 }
2228 } else if (ec_raw_mode) {
cae15702 2229 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2230 }
2231
3fdca87d
LCY		 2232 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2233 err = acer_wmi_input_setup();
2234 if (err)
2235 return err;
2236 }
2237
1eb3fe1d
MV		 2238 acer_wmi_accel_setup();
2239
1c79632b
AL		 2240 err = platform_driver_register(&acer_platform_driver);
2241 if (err) {
6e71f38b 2242 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2243 goto error_platform_register;
2244 }
1c79632b 2245
745a5d21 2246 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2247 if (!acer_platform_device) {
2248 err = -ENOMEM;
2249 goto error_device_alloc;
2250 }
2251
2252 err = platform_device_add(acer_platform_device);
2253 if (err)
2254 goto error_device_add;
745a5d21 2255
81143522
CC		 2256 if (wmi_has_guid(WMID_GUID2)) {
2257 interface->debug.wmid_devices = get_wmid_devices();
2258 err = create_debugfs();
2259 if (err)
1c79632b 2260 goto error_create_debugfs;
81143522
CC		 2261 }
2262
745a5d21
CC		 2263 /* Override any initial settings with values from the commandline */
2264 acer_commandline_init();
2265
2266 return 0;
2267
1c79632b 2268error_create_debugfs:
1c79632b
AL		 2269 platform_device_del(acer_platform_device);
2270error_device_add:
2271 platform_device_put(acer_platform_device);
2272error_device_alloc:
2273 platform_driver_unregister(&acer_platform_driver);
745a5d21 2274error_platform_register:
3fdca87d
LCY		 2275 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2276 acer_wmi_input_destroy();
1eb3fe1d
MV		 2277 if (has_cap(ACER_CAP_ACCEL))
2278 acer_wmi_accel_destroy();
3fdca87d 2279
1c79632b 2280 return err;
745a5d21
CC		 2281}
2282
2283static void __exit acer_wmi_exit(void)
2284{
3fdca87d
LCY		 2285 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2286 acer_wmi_input_destroy();
2287
1eb3fe1d
MV		 2288 if (has_cap(ACER_CAP_ACCEL))
2289 acer_wmi_accel_destroy();
2290
39dbbb45 2291 remove_debugfs();
97ba0af0 2292 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2293 platform_driver_unregister(&acer_platform_driver);
2294
cae15702 2295 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2296 return;
2297}
2298
2299module_init(acer_wmi_init);
2300module_exit(acer_wmi_exit);
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