]> git.ipfire.org Git - people/arne_f/kernel.git/blame - drivers/platform/x86/acer-wmi.c
projects / people / arne_f / kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
platform/x86: ideapad-laptop: Add IdeaPad V310-15ISK to no_hw_rfkill
[people/arne_f/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} },
5ffa572a 131 {KE_KEY, 0x86, {KEY_WLAN} },
3fdca87d
LCY		 132 {KE_END, 0}
133};
134
135static struct input_dev *acer_wmi_input_dev;
1eb3fe1d 136static struct input_dev *acer_wmi_accel_dev;
3fdca87d
LCY		 137
138struct event_return_value {
139 u8 function;
140 u8 key_num;
141 u16 device_state;
142 u32 reserved;
143} __attribute__((packed));
745a5d21 144
b3c9092b
LCY		 145/*
146 * GUID3 Get Device Status device flags
147 */
6c3df88f 148#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
b3c9092b 149#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
6d88ff0f 150#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
6c3df88f 151#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
8e2286ce 152#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
b3c9092b 153
280642c3
CC		 154/* Hotkey Customized Setting and Acer Application Status.
155 * Set Device Default Value and Report Acer Application Status.
156 * When Acer Application starts, it will run this method to inform
157 * BIOS/EC that Acer Application is on.
158 * App Status
159 * Bit[0]: Launch Manager Status
160 * Bit[1]: ePM Status
161 * Bit[2]: Device Control Status
162 * Bit[3]: Acer Power Button Utility Status
163 * Bit[4]: RF Button Status
164 * Bit[5]: ODD PM Status
165 * Bit[6]: Device Default Value Control
166 * Bit[7]: Hall Sensor Application Status
167 */
168struct func_input_params {
59ccf2f3
FLCY		 169 u8 function_num; /* Function Number */
170 u16 commun_devices; /* Communication type devices default status */
171 u16 devices; /* Other type devices default status */
280642c3
CC		 172 u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
173 u8 app_mask; /* Bit mask to app_status */
174 u8 reserved;
59ccf2f3
FLCY		 175} __attribute__((packed));
176
280642c3 177struct func_return_value {
59ccf2f3
FLCY		 178 u8 error_code; /* Error Code */
179 u8 ec_return_value; /* EC Return Value */
180 u16 reserved;
181} __attribute__((packed));
182
996d23ba
LCY		 183struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
184 u8 function_num; /* Function Number */
185 u8 hotkey_number; /* Hotkey Number */
186 u16 devices; /* Set Device */
187 u8 volume_value; /* Volume Value */
188} __attribute__((packed));
189
190struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
b3c9092b
LCY		 191 u8 function_num; /* Function Number */
192 u8 hotkey_number; /* Hotkey Number */
193 u16 devices; /* Get Device */
194} __attribute__((packed));
195
196struct wmid3_gds_return_value { /* Get Device Status return value*/
197 u8 error_code; /* Error Code */
198 u8 ec_return_value; /* EC Return Value */
199 u16 devices; /* Current Device Status */
200 u32 reserved;
201} __attribute__((packed));
202
6c3df88f
LCY		 203struct hotkey_function_type_aa {
204 u8 type;
205 u8 length;
206 u16 handle;
207 u16 commun_func_bitmap;
34b6cfab
LCY		 208 u16 application_func_bitmap;
209 u16 media_func_bitmap;
210 u16 display_func_bitmap;
211 u16 others_func_bitmap;
212 u8 commun_fn_key_number;
6c3df88f
LCY		 213} __attribute__((packed));
214
745a5d21
CC		 215/*
216 * Interface capability flags
217 */
218#define ACER_CAP_MAILLED (1<<0)
219#define ACER_CAP_WIRELESS (1<<1)
220#define ACER_CAP_BLUETOOTH (1<<2)
221#define ACER_CAP_BRIGHTNESS (1<<3)
222#define ACER_CAP_THREEG (1<<4)
1eb3fe1d 223#define ACER_CAP_ACCEL (1<<5)
745a5d21
CC		 224#define ACER_CAP_ANY (0xFFFFFFFF)
225
226/*
227 * Interface type flags
228 */
229enum interface_flags {
230 ACER_AMW0,
231 ACER_AMW0_V2,
232 ACER_WMID,
72e71de1 233 ACER_WMID_v2,
745a5d21
CC		 234};
235
236#define ACER_DEFAULT_WIRELESS 0
237#define ACER_DEFAULT_BLUETOOTH 0
238#define ACER_DEFAULT_MAILLED 0
239#define ACER_DEFAULT_THREEG 0
240
241static int max_brightness = 0xF;
242
745a5d21
CC		 243static int mailled = -1;
244static int brightness = -1;
245static int threeg = -1;
246static int force_series;
59ccf2f3 247static bool ec_raw_mode;
6c3df88f 248static bool has_type_aa;
1d1fc8a7 249static u16 commun_func_bitmap;
34b6cfab 250static u8 commun_fn_key_number;
745a5d21
CC		 251
252module_param(mailled, int, 0444);
745a5d21
CC		 253module_param(brightness, int, 0444);
254module_param(threeg, int, 0444);
255module_param(force_series, int, 0444);
59ccf2f3 256module_param(ec_raw_mode, bool, 0444);
745a5d21
CC		 257MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
258MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
259MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
260MODULE_PARM_DESC(force_series, "Force a different laptop series");
59ccf2f3 261MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
745a5d21
CC		 262
263struct acer_data {
264 int mailled;
745a5d21
CC		 265 int threeg;
266 int brightness;
267};
268
81143522
CC		 269struct acer_debug {
270 struct dentry *root;
271 struct dentry *devices;
272 u32 wmid_devices;
273};
274
0606e1ab
CC		 275static struct rfkill *wireless_rfkill;
276static struct rfkill *bluetooth_rfkill;
b3c9092b 277static struct rfkill *threeg_rfkill;
8215af01 278static bool rfkill_inited;
0606e1ab 279
745a5d21
CC		 280/* Each low-level interface must define at least some of the following */
281struct wmi_interface {
282 /* The WMI device type */
283 u32 type;
284
285 /* The capabilities this interface provides */
286 u32 capability;
287
288 /* Private data for the current interface */
289 struct acer_data data;
81143522
CC		 290
291 /* debugfs entries associated with this interface */
292 struct acer_debug debug;
745a5d21
CC		 293};
294
295/* The static interface pointer, points to the currently detected interface */
296static struct wmi_interface *interface;
297
298/*
299 * Embedded Controller quirks
300 * Some laptops require us to directly access the EC to either enable or query
301 * features that are not available through WMI.
302 */
303
304struct quirk_entry {
305 u8 wireless;
306 u8 mailled;
9991d9f2 307 s8 brightness;
745a5d21
CC		 308 u8 bluetooth;
309};
310
311static struct quirk_entry *quirks;
312
76d51dd9 313static void __init set_quirks(void)
745a5d21 314{
83097aca
AV		 315 if (!interface)
316 return;
317
745a5d21
CC		 318 if (quirks->mailled)
319 interface->capability |= ACER_CAP_MAILLED;
320
321 if (quirks->brightness)
322 interface->capability |= ACER_CAP_BRIGHTNESS;
323}
324
76d51dd9 325static int __init dmi_matched(const struct dmi_system_id *dmi)
745a5d21
CC		 326{
327 quirks = dmi->driver_data;
d53bf0f3 328 return 1;
745a5d21
CC		 329}
330
331static struct quirk_entry quirk_unknown = {
332};
333
9991d9f2
CC		 334static struct quirk_entry quirk_acer_aspire_1520 = {
335 .brightness = -1,
336};
337
745a5d21
CC		 338static struct quirk_entry quirk_acer_travelmate_2490 = {
339 .mailled = 1,
340};
341
342/* This AMW0 laptop has no bluetooth */
343static struct quirk_entry quirk_medion_md_98300 = {
344 .wireless = 1,
345};
346
6f061ab5
CC		 347static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
348 .wireless = 2,
349};
350
15b956a0
LCY		 351static struct quirk_entry quirk_lenovo_ideapad_s205 = {
352 .wireless = 3,
353};
354
a74dd5fd 355/* The Aspire One has a dummy ACPI-WMI interface - disable it */
76d51dd9 356static const struct dmi_system_id acer_blacklist[] __initconst = {
a74dd5fd
CC		 357 {
358 .ident = "Acer Aspire One (SSD)",
359 .matches = {
360 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
361 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
362 },
363 },
364 {
365 .ident = "Acer Aspire One (HDD)",
366 .matches = {
367 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
368 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
369 },
370 },
371 {}
372};
373
5241b193
LCY		 374static const struct dmi_system_id amw0_whitelist[] __initconst = {
375 {
376 .ident = "Acer",
377 .matches = {
378 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
379 },
380 },
381 {
382 .ident = "Gateway",
383 .matches = {
384 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
385 },
386 },
387 {
388 .ident = "Packard Bell",
389 .matches = {
390 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
391 },
392 },
393 {}
394};
395
396/*
397 * This quirk table is only for Acer/Gateway/Packard Bell family
398 * that those machines are supported by acer-wmi driver.
399 */
76d51dd9 400static const struct dmi_system_id acer_quirks[] __initconst = {
9991d9f2
CC		 401 {
402 .callback = dmi_matched,
403 .ident = "Acer Aspire 1360",
404 .matches = {
405 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
406 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
407 },
408 .driver_data = &quirk_acer_aspire_1520,
409 },
410 {
411 .callback = dmi_matched,
412 .ident = "Acer Aspire 1520",
413 .matches = {
414 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
415 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
416 },
417 .driver_data = &quirk_acer_aspire_1520,
418 },
745a5d21
CC		 419 {
420 .callback = dmi_matched,
421 .ident = "Acer Aspire 3100",
422 .matches = {
423 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
424 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
425 },
426 .driver_data = &quirk_acer_travelmate_2490,
427 },
ed9cfe98
CC		 428 {
429 .callback = dmi_matched,
430 .ident = "Acer Aspire 3610",
431 .matches = {
432 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
433 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
434 },
435 .driver_data = &quirk_acer_travelmate_2490,
436 },
745a5d21
CC		 437 {
438 .callback = dmi_matched,
439 .ident = "Acer Aspire 5100",
440 .matches = {
441 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
442 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
443 },
444 .driver_data = &quirk_acer_travelmate_2490,
445 },
ed9cfe98
CC		 446 {
447 .callback = dmi_matched,
448 .ident = "Acer Aspire 5610",
449 .matches = {
450 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
451 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
452 },
453 .driver_data = &quirk_acer_travelmate_2490,
454 },
745a5d21
CC		 455 {
456 .callback = dmi_matched,
457 .ident = "Acer Aspire 5630",
458 .matches = {
459 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
460 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
461 },
462 .driver_data = &quirk_acer_travelmate_2490,
463 },
464 {
465 .callback = dmi_matched,
466 .ident = "Acer Aspire 5650",
467 .matches = {
468 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
469 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
470 },
471 .driver_data = &quirk_acer_travelmate_2490,
472 },
473 {
474 .callback = dmi_matched,
475 .ident = "Acer Aspire 5680",
476 .matches = {
477 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
478 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
479 },
480 .driver_data = &quirk_acer_travelmate_2490,
481 },
482 {
483 .callback = dmi_matched,
484 .ident = "Acer Aspire 9110",
485 .matches = {
486 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
487 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
488 },
489 .driver_data = &quirk_acer_travelmate_2490,
490 },
491 {
492 .callback = dmi_matched,
493 .ident = "Acer TravelMate 2490",
494 .matches = {
495 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
496 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
497 },
498 .driver_data = &quirk_acer_travelmate_2490,
499 },
262ee35b
CC		 500 {
501 .callback = dmi_matched,
502 .ident = "Acer TravelMate 4200",
503 .matches = {
504 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
505 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
506 },
507 .driver_data = &quirk_acer_travelmate_2490,
508 },
5241b193
LCY		 509 {}
510};
511
512/*
513 * This quirk list is for those non-acer machines that have AMW0_GUID1
514 * but supported by acer-wmi in past days. Keeping this quirk list here
515 * is only for backward compatible. Please do not add new machine to
516 * here anymore. Those non-acer machines should be supported by
517 * appropriate wmi drivers.
518 */
519static const struct dmi_system_id non_acer_quirks[] __initconst = {
6f061ab5
CC		 520 {
521 .callback = dmi_matched,
522 .ident = "Fujitsu Siemens Amilo Li 1718",
523 .matches = {
524 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
525 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
526 },
527 .driver_data = &quirk_fujitsu_amilo_li_1718,
528 },
745a5d21
CC		 529 {
530 .callback = dmi_matched,
531 .ident = "Medion MD 98300",
532 .matches = {
533 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
534 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
535 },
536 .driver_data = &quirk_medion_md_98300,
537 },
15b956a0
LCY		 538 {
539 .callback = dmi_matched,
540 .ident = "Lenovo Ideapad S205",
541 .matches = {
542 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
543 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
544 },
545 .driver_data = &quirk_lenovo_ideapad_s205,
546 },
c08f2086
LCY		 547 {
548 .callback = dmi_matched,
549 .ident = "Lenovo Ideapad S205 (Brazos)",
550 .matches = {
551 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
552 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
553 },
554 .driver_data = &quirk_lenovo_ideapad_s205,
555 },
be3128b1
SF		 556 {
557 .callback = dmi_matched,
558 .ident = "Lenovo 3000 N200",
559 .matches = {
560 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
561 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
562 },
563 .driver_data = &quirk_fujitsu_amilo_li_1718,
564 },
e6c33f1f
LCY		 565 {
566 .callback = dmi_matched,
567 .ident = "Lenovo Ideapad S205-10382JG",
568 .matches = {
569 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
570 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
571 },
572 .driver_data = &quirk_lenovo_ideapad_s205,
573 },
5f3511d2
LCY		 574 {
575 .callback = dmi_matched,
576 .ident = "Lenovo Ideapad S205-1038DPG",
577 .matches = {
578 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
579 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
580 },
581 .driver_data = &quirk_lenovo_ideapad_s205,
582 },
745a5d21
CC		 583 {}
584};
585
76d51dd9
MK		 586static int __init
587video_set_backlight_video_vendor(const struct dmi_system_id *d)
86924de2
LCY		 588{
589 interface->capability &= ~ACER_CAP_BRIGHTNESS;
590 pr_info("Brightness must be controlled by generic video driver\n");
591 return 0;
592}
593
76d51dd9 594static const struct dmi_system_id video_vendor_dmi_table[] __initconst = {
86924de2
LCY		 595 {
596 .callback = video_set_backlight_video_vendor,
597 .ident = "Acer TravelMate 4750",
598 .matches = {
599 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
600 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
601 },
602 },
050eff39
LCY		 603 {
604 .callback = video_set_backlight_video_vendor,
605 .ident = "Acer Extensa 5235",
606 .matches = {
607 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
608 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
609 },
610 },
611 {
612 .callback = video_set_backlight_video_vendor,
613 .ident = "Acer TravelMate 5760",
614 .matches = {
615 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
616 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
617 },
618 },
619 {
620 .callback = video_set_backlight_video_vendor,
621 .ident = "Acer Aspire 5750",
622 .matches = {
623 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
624 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
625 },
626 },
9404cd95
HG		 627 {
628 .callback = video_set_backlight_video_vendor,
629 .ident = "Acer Aspire 5741",
630 .matches = {
631 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
632 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
633 },
634 },
183fd8fc
HG		 635 {
636 /*
637 * Note no video_set_backlight_video_vendor, we must use the
638 * acer interface, as there is no native backlight interface.
639 */
640 .ident = "Acer KAV80",
641 .matches = {
642 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
643 DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
644 },
645 },
86924de2
LCY		 646 {}
647};
648
745a5d21 649/* Find which quirks are needed for a particular vendor/ model pair */
76d51dd9 650static void __init find_quirks(void)
745a5d21
CC		 651{
652 if (!force_series) {
653 dmi_check_system(acer_quirks);
5241b193 654 dmi_check_system(non_acer_quirks);
745a5d21
CC		 655 } else if (force_series == 2490) {
656 quirks = &quirk_acer_travelmate_2490;
657 }
658
659 if (quirks == NULL)
660 quirks = &quirk_unknown;
661
662 set_quirks();
663}
664
665/*
666 * General interface convenience methods
667 */
668
669static bool has_cap(u32 cap)
670{
671 if ((interface->capability & cap) != 0)
672 return 1;
673
674 return 0;
675}
676
677/*
678 * AMW0 (V1) interface
679 */
680struct wmab_args {
681 u32 eax;
682 u32 ebx;
683 u32 ecx;
684 u32 edx;
685};
686
687struct wmab_ret {
688 u32 eax;
689 u32 ebx;
690 u32 ecx;
691 u32 edx;
692 u32 eex;
693};
694
695static acpi_status wmab_execute(struct wmab_args *regbuf,
696struct acpi_buffer *result)
697{
698 struct acpi_buffer input;
699 acpi_status status;
700 input.length = sizeof(struct wmab_args);
701 input.pointer = (u8 *)regbuf;
702
703 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
704
705 return status;
706}
707
38db157d 708static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 709{
710 int err;
711 u8 result;
712
713 switch (cap) {
714 case ACER_CAP_MAILLED:
715 switch (quirks->mailled) {
716 default:
717 err = ec_read(0xA, &result);
718 if (err)
719 return AE_ERROR;
720 *value = (result >> 7) & 0x1;
721 return AE_OK;
722 }
723 break;
724 case ACER_CAP_WIRELESS:
725 switch (quirks->wireless) {
726 case 1:
727 err = ec_read(0x7B, &result);
728 if (err)
729 return AE_ERROR;
730 *value = result & 0x1;
731 return AE_OK;
6f061ab5
CC		 732 case 2:
733 err = ec_read(0x71, &result);
734 if (err)
735 return AE_ERROR;
736 *value = result & 0x1;
737 return AE_OK;
15b956a0
LCY		 738 case 3:
739 err = ec_read(0x78, &result);
740 if (err)
741 return AE_ERROR;
742 *value = result & 0x1;
743 return AE_OK;
745a5d21
CC		 744 default:
745 err = ec_read(0xA, &result);
746 if (err)
747 return AE_ERROR;
748 *value = (result >> 2) & 0x1;
749 return AE_OK;
750 }
751 break;
752 case ACER_CAP_BLUETOOTH:
753 switch (quirks->bluetooth) {
754 default:
755 err = ec_read(0xA, &result);
756 if (err)
757 return AE_ERROR;
758 *value = (result >> 4) & 0x1;
759 return AE_OK;
760 }
761 break;
762 case ACER_CAP_BRIGHTNESS:
763 switch (quirks->brightness) {
764 default:
765 err = ec_read(0x83, &result);
766 if (err)
767 return AE_ERROR;
768 *value = result;
769 return AE_OK;
770 }
771 break;
772 default:
08237974 773 return AE_ERROR;
745a5d21
CC		 774 }
775 return AE_OK;
776}
777
38db157d 778static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 779{
780 struct wmab_args args;
781
782 args.eax = ACER_AMW0_WRITE;
783 args.ebx = value ? (1<<8) : 0;
784 args.ecx = args.edx = 0;
785
786 switch (cap) {
787 case ACER_CAP_MAILLED:
788 if (value > 1)
789 return AE_BAD_PARAMETER;
790 args.ebx |= ACER_AMW0_MAILLED_MASK;
791 break;
792 case ACER_CAP_WIRELESS:
793 if (value > 1)
794 return AE_BAD_PARAMETER;
795 args.ebx |= ACER_AMW0_WIRELESS_MASK;
796 break;
797 case ACER_CAP_BLUETOOTH:
798 if (value > 1)
799 return AE_BAD_PARAMETER;
800 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
801 break;
802 case ACER_CAP_BRIGHTNESS:
803 if (value > max_brightness)
804 return AE_BAD_PARAMETER;
805 switch (quirks->brightness) {
745a5d21 806 default:
4609d029
CC		 807 return ec_write(0x83, value);
808 break;
745a5d21
CC		 809 }
810 default:
08237974 811 return AE_ERROR;
745a5d21
CC		 812 }
813
814 /* Actually do the set */
815 return wmab_execute(&args, NULL);
816}
817
76d51dd9 818static acpi_status __init AMW0_find_mailled(void)
745a5d21
CC		 819{
820 struct wmab_args args;
821 struct wmab_ret ret;
822 acpi_status status = AE_OK;
823 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
824 union acpi_object *obj;
825
826 args.eax = 0x86;
827 args.ebx = args.ecx = args.edx = 0;
828
829 status = wmab_execute(&args, &out);
830 if (ACPI_FAILURE(status))
831 return status;
832
833 obj = (union acpi_object *) out.pointer;
834 if (obj && obj->type == ACPI_TYPE_BUFFER &&
835 obj->buffer.length == sizeof(struct wmab_ret)) {
836 ret = *((struct wmab_ret *) obj->buffer.pointer);
837 } else {
7677fbdf 838 kfree(out.pointer);
745a5d21
CC		 839 return AE_ERROR;
840 }
841
842 if (ret.eex & 0x1)
843 interface->capability |= ACER_CAP_MAILLED;
844
845 kfree(out.pointer);
846
847 return AE_OK;
848}
849
76d51dd9 850static const struct acpi_device_id norfkill_ids[] __initconst = {
461e7437
IP		 851 { "VPC2004", 0},
852 { "IBM0068", 0},
853 { "LEN0068", 0},
5719b819 854 { "SNY5001", 0}, /* sony-laptop in charge */
628b3198 855 { "HPQ6601", 0},
461e7437
IP		 856 { "", 0},
857};
858
76d51dd9 859static int __init AMW0_set_cap_acpi_check_device(void)
461e7437
IP		 860{
861 const struct acpi_device_id *id;
862
863 for (id = norfkill_ids; id->id[0]; id++)
8c92a75e
LW		 864 if (acpi_dev_found(id->id))
865 return true;
866
867 return false;
461e7437
IP		 868}
869
76d51dd9 870static acpi_status __init AMW0_set_capabilities(void)
745a5d21
CC		 871{
872 struct wmab_args args;
873 struct wmab_ret ret;
7677fbdf 874 acpi_status status;
745a5d21
CC		 875 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
876 union acpi_object *obj;
877
5753dd53
CC		 878 /*
879 * On laptops with this strange GUID (non Acer), normal probing doesn't
880 * work.
881 */
882 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 883 if ((quirks != &quirk_unknown) ||
884 !AMW0_set_cap_acpi_check_device())
885 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 886 return AE_OK;
887 }
888
745a5d21
CC		 889 args.eax = ACER_AMW0_WRITE;
890 args.ecx = args.edx = 0;
891
892 args.ebx = 0xa2 << 8;
893 args.ebx |= ACER_AMW0_WIRELESS_MASK;
894
895 status = wmab_execute(&args, &out);
896 if (ACPI_FAILURE(status))
897 return status;
898
7677fbdf 899 obj = out.pointer;
745a5d21
CC		 900 if (obj && obj->type == ACPI_TYPE_BUFFER &&
901 obj->buffer.length == sizeof(struct wmab_ret)) {
902 ret = *((struct wmab_ret *) obj->buffer.pointer);
903 } else {
7677fbdf
AL		 904 status = AE_ERROR;
905 goto out;
745a5d21
CC		 906 }
907
908 if (ret.eax & 0x1)
909 interface->capability |= ACER_CAP_WIRELESS;
910
911 args.ebx = 2 << 8;
912 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
913
7677fbdf
AL		 914 /*
915 * It's ok to use existing buffer for next wmab_execute call.
916 * But we need to kfree(out.pointer) if next wmab_execute fail.
917 */
745a5d21
CC		 918 status = wmab_execute(&args, &out);
919 if (ACPI_FAILURE(status))
7677fbdf 920 goto out;
745a5d21
CC		 921
922 obj = (union acpi_object *) out.pointer;
923 if (obj && obj->type == ACPI_TYPE_BUFFER
924 && obj->buffer.length == sizeof(struct wmab_ret)) {
925 ret = *((struct wmab_ret *) obj->buffer.pointer);
926 } else {
7677fbdf
AL		 927 status = AE_ERROR;
928 goto out;
745a5d21
CC		 929 }
930
931 if (ret.eax & 0x1)
932 interface->capability |= ACER_CAP_BLUETOOTH;
933
745a5d21
CC		 934 /*
935 * This appears to be safe to enable, since all Wistron based laptops
936 * appear to use the same EC register for brightness, even if they
937 * differ for wireless, etc
938 */
9991d9f2
CC		 939 if (quirks->brightness >= 0)
940 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 941
7677fbdf
AL		 942 status = AE_OK;
943out:
944 kfree(out.pointer);
945 return status;
745a5d21
CC		 946}
947
948static struct wmi_interface AMW0_interface = {
949 .type = ACER_AMW0,
950};
951
952static struct wmi_interface AMW0_V2_interface = {
953 .type = ACER_AMW0_V2,
954};
955
956/*
957 * New interface (The WMID interface)
958 */
959static acpi_status
960WMI_execute_u32(u32 method_id, u32 in, u32 *out)
961{
962 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
963 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
964 union acpi_object *obj;
f20aaba9 965 u32 tmp = 0;
745a5d21
CC		 966 acpi_status status;
967
968 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
969
970 if (ACPI_FAILURE(status))
971 return status;
972
973 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 974 if (obj) {
975 if (obj->type == ACPI_TYPE_BUFFER &&
976 (obj->buffer.length == sizeof(u32) ||
977 obj->buffer.length == sizeof(u64))) {
978 tmp = *((u32 *) obj->buffer.pointer);
979 } else if (obj->type == ACPI_TYPE_INTEGER) {
980 tmp = (u32) obj->integer.value;
981 }
745a5d21
CC		 982 }
983
984 if (out)
985 *out = tmp;
986
987 kfree(result.pointer);
988
989 return status;
990}
991
38db157d 992static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 993{
994 acpi_status status;
995 u8 tmp;
996 u32 result, method_id = 0;
997
998 switch (cap) {
999 case ACER_CAP_WIRELESS:
1000 method_id = ACER_WMID_GET_WIRELESS_METHODID;
1001 break;
1002 case ACER_CAP_BLUETOOTH:
1003 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
1004 break;
1005 case ACER_CAP_BRIGHTNESS:
1006 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
1007 break;
1008 case ACER_CAP_THREEG:
1009 method_id = ACER_WMID_GET_THREEG_METHODID;
1010 break;
1011 case ACER_CAP_MAILLED:
1012 if (quirks->mailled == 1) {
1013 ec_read(0x9f, &tmp);
1014 *value = tmp & 0x1;
1015 return 0;
1016 }
1017 default:
08237974 1018 return AE_ERROR;
745a5d21
CC		 1019 }
1020 status = WMI_execute_u32(method_id, 0, &result);
1021
1022 if (ACPI_SUCCESS(status))
1023 *value = (u8)result;
1024
1025 return status;
1026}
1027
38db157d 1028static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 1029{
1030 u32 method_id = 0;
1031 char param;
1032
1033 switch (cap) {
1034 case ACER_CAP_BRIGHTNESS:
1035 if (value > max_brightness)
1036 return AE_BAD_PARAMETER;
1037 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1038 break;
1039 case ACER_CAP_WIRELESS:
1040 if (value > 1)
1041 return AE_BAD_PARAMETER;
1042 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1043 break;
1044 case ACER_CAP_BLUETOOTH:
1045 if (value > 1)
1046 return AE_BAD_PARAMETER;
1047 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1048 break;
1049 case ACER_CAP_THREEG:
1050 if (value > 1)
1051 return AE_BAD_PARAMETER;
1052 method_id = ACER_WMID_SET_THREEG_METHODID;
1053 break;
1054 case ACER_CAP_MAILLED:
1055 if (value > 1)
1056 return AE_BAD_PARAMETER;
1057 if (quirks->mailled == 1) {
1058 param = value ? 0x92 : 0x93;
181d683d 1059 i8042_lock_chip();
745a5d21 1060 i8042_command(&param, 0x1059);
181d683d 1061 i8042_unlock_chip();
745a5d21
CC		 1062 return 0;
1063 }
1064 break;
1065 default:
08237974 1066 return AE_ERROR;
745a5d21
CC		 1067 }
1068 return WMI_execute_u32(method_id, (u32)value, NULL);
1069}
1070
72e71de1
LCY		 1071static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1072{
1073 struct wmid3_gds_return_value return_value;
1074 acpi_status status;
1075 union acpi_object *obj;
996d23ba 1076 struct wmid3_gds_get_input_param params = {
72e71de1 1077 .function_num = 0x1,
34b6cfab 1078 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1079 .devices = device,
1080 };
1081 struct acpi_buffer input = {
996d23ba 1082 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1083 &params
1084 };
1085 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1086
1087 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1088 if (ACPI_FAILURE(status))
1089 return status;
1090
1091 obj = output.pointer;
1092
1093 if (!obj)
1094 return AE_ERROR;
1095 else if (obj->type != ACPI_TYPE_BUFFER) {
1096 kfree(obj);
1097 return AE_ERROR;
1098 }
1099 if (obj->buffer.length != 8) {
1100 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1101 kfree(obj);
1102 return AE_ERROR;
1103 }
1104
1105 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1106 kfree(obj);
1107
1108 if (return_value.error_code || return_value.ec_return_value)
1109 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1110 device,
1111 return_value.error_code,
1112 return_value.ec_return_value);
1113 else
1114 *value = !!(return_value.devices & device);
1115
1116 return status;
1117}
1118
1119static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1120{
1121 u16 device;
1122
1123 switch (cap) {
1124 case ACER_CAP_WIRELESS:
1125 device = ACER_WMID3_GDS_WIRELESS;
1126 break;
1127 case ACER_CAP_BLUETOOTH:
1128 device = ACER_WMID3_GDS_BLUETOOTH;
1129 break;
1130 case ACER_CAP_THREEG:
1131 device = ACER_WMID3_GDS_THREEG;
1132 break;
1133 default:
1134 return AE_ERROR;
1135 }
1136 return wmid3_get_device_status(value, device);
1137}
1138
1139static acpi_status wmid3_set_device_status(u32 value, u16 device)
1140{
1141 struct wmid3_gds_return_value return_value;
1142 acpi_status status;
1143 union acpi_object *obj;
1144 u16 devices;
996d23ba 1145 struct wmid3_gds_get_input_param get_params = {
72e71de1 1146 .function_num = 0x1,
34b6cfab 1147 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1148 .devices = commun_func_bitmap,
72e71de1 1149 };
996d23ba
LCY		 1150 struct acpi_buffer get_input = {
1151 sizeof(struct wmid3_gds_get_input_param),
1152 &get_params
1153 };
1154 struct wmid3_gds_set_input_param set_params = {
1155 .function_num = 0x2,
1156 .hotkey_number = commun_fn_key_number,
1157 .devices = commun_func_bitmap,
1158 };
1159 struct acpi_buffer set_input = {
1160 sizeof(struct wmid3_gds_set_input_param),
1161 &set_params
72e71de1
LCY		 1162 };
1163 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1164 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1165
996d23ba 1166 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1167 if (ACPI_FAILURE(status))
1168 return status;
1169
1170 obj = output.pointer;
1171
1172 if (!obj)
1173 return AE_ERROR;
1174 else if (obj->type != ACPI_TYPE_BUFFER) {
1175 kfree(obj);
1176 return AE_ERROR;
1177 }
1178 if (obj->buffer.length != 8) {
6e71f38b 1179 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1180 kfree(obj);
1181 return AE_ERROR;
1182 }
1183
1184 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1185 kfree(obj);
1186
1187 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1188 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1189 return_value.error_code,
72e71de1
LCY		 1190 return_value.ec_return_value);
1191 return status;
1192 }
1193
1194 devices = return_value.devices;
996d23ba 1195 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1196
996d23ba 1197 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1198 if (ACPI_FAILURE(status))
1199 return status;
1200
1201 obj = output2.pointer;
1202
1203 if (!obj)
1204 return AE_ERROR;
1205 else if (obj->type != ACPI_TYPE_BUFFER) {
1206 kfree(obj);
1207 return AE_ERROR;
1208 }
1209 if (obj->buffer.length != 4) {
6e71f38b 1210 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1211 kfree(obj);
1212 return AE_ERROR;
1213 }
1214
1215 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1216 kfree(obj);
1217
1218 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1219 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1220 return_value.error_code,
72e71de1
LCY		 1221 return_value.ec_return_value);
1222
1223 return status;
1224}
1225
1226static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1227{
1228 u16 device;
1229
1230 switch (cap) {
1231 case ACER_CAP_WIRELESS:
1232 device = ACER_WMID3_GDS_WIRELESS;
1233 break;
1234 case ACER_CAP_BLUETOOTH:
1235 device = ACER_WMID3_GDS_BLUETOOTH;
1236 break;
1237 case ACER_CAP_THREEG:
1238 device = ACER_WMID3_GDS_THREEG;
1239 break;
1240 default:
1241 return AE_ERROR;
1242 }
1243 return wmid3_set_device_status(value, device);
1244}
1245
76d51dd9 1246static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
6c3df88f
LCY		 1247{
1248 struct hotkey_function_type_aa *type_aa;
1249
1250 /* We are looking for OEM-specific Type AAh */
1251 if (header->type != 0xAA)
1252 return;
1253
1254 has_type_aa = true;
1255 type_aa = (struct hotkey_function_type_aa *) header;
1256
cae15702 1257 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1258 type_aa->commun_func_bitmap);
1d1fc8a7 1259 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1260
1261 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1262 interface->capability |= ACER_CAP_WIRELESS;
1263 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1264 interface->capability |= ACER_CAP_THREEG;
1265 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1266 interface->capability |= ACER_CAP_BLUETOOTH;
34b6cfab
LCY		 1267
1268 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1269}
1270
76d51dd9 1271static acpi_status __init WMID_set_capabilities(void)
745a5d21
CC		 1272{
1273 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1274 union acpi_object *obj;
1275 acpi_status status;
1276 u32 devices;
1277
1278 status = wmi_query_block(WMID_GUID2, 1, &out);
1279 if (ACPI_FAILURE(status))
1280 return status;
1281
1282 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1283 if (obj) {
1284 if (obj->type == ACPI_TYPE_BUFFER &&
1285 (obj->buffer.length == sizeof(u32) ||
1286 obj->buffer.length == sizeof(u64))) {
1287 devices = *((u32 *) obj->buffer.pointer);
1288 } else if (obj->type == ACPI_TYPE_INTEGER) {
1289 devices = (u32) obj->integer.value;
f24c96ea
LCY		 1290 } else {
1291 kfree(out.pointer);
1292 return AE_ERROR;
f20aaba9 1293 }
745a5d21 1294 } else {
66904863 1295 kfree(out.pointer);
745a5d21
CC		 1296 return AE_ERROR;
1297 }
1298
1fbc01a7
LCY		 1299 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1300 if (devices & 0x07)
1301 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1302 if (devices & 0x40)
1303 interface->capability |= ACER_CAP_THREEG;
1304 if (devices & 0x10)
1305 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1306
745a5d21
CC		 1307 if (!(devices & 0x20))
1308 max_brightness = 0x9;
1309
66904863 1310 kfree(out.pointer);
745a5d21
CC		 1311 return status;
1312}
1313
1314static struct wmi_interface wmid_interface = {
1315 .type = ACER_WMID,
1316};
1317
72e71de1
LCY		 1318static struct wmi_interface wmid_v2_interface = {
1319 .type = ACER_WMID_v2,
1320};
1321
745a5d21
CC		 1322/*
1323 * Generic Device (interface-independent)
1324 */
1325
1326static acpi_status get_u32(u32 *value, u32 cap)
1327{
08237974 1328 acpi_status status = AE_ERROR;
745a5d21
CC		 1329
1330 switch (interface->type) {
1331 case ACER_AMW0:
38db157d 1332 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1333 break;
1334 case ACER_AMW0_V2:
1335 if (cap == ACER_CAP_MAILLED) {
38db157d 1336 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1337 break;
1338 }
1339 case ACER_WMID:
38db157d 1340 status = WMID_get_u32(value, cap);
745a5d21 1341 break;
72e71de1
LCY		 1342 case ACER_WMID_v2:
1343 if (cap & (ACER_CAP_WIRELESS |
1344 ACER_CAP_BLUETOOTH |
1345 ACER_CAP_THREEG))
1346 status = wmid_v2_get_u32(value, cap);
1347 else if (wmi_has_guid(WMID_GUID2))
38db157d 1348 status = WMID_get_u32(value, cap);
72e71de1 1349 break;
745a5d21
CC		 1350 }
1351
1352 return status;
1353}
1354
1355static acpi_status set_u32(u32 value, u32 cap)
1356{
5c742b45
CC		 1357 acpi_status status;
1358
745a5d21
CC		 1359 if (interface->capability & cap) {
1360 switch (interface->type) {
1361 case ACER_AMW0:
38db157d 1362 return AMW0_set_u32(value, cap);
745a5d21 1363 case ACER_AMW0_V2:
5c742b45 1364 if (cap == ACER_CAP_MAILLED)
38db157d 1365 return AMW0_set_u32(value, cap);
5c742b45
CC		 1366
1367 /*
1368 * On some models, some WMID methods don't toggle
1369 * properly. For those cases, we want to run the AMW0
1370 * method afterwards to be certain we've really toggled
1371 * the device state.
1372 */
1373 if (cap == ACER_CAP_WIRELESS ||
1374 cap == ACER_CAP_BLUETOOTH) {
38db157d 1375 status = WMID_set_u32(value, cap);
5c742b45
CC		 1376 if (ACPI_FAILURE(status))
1377 return status;
1378
38db157d 1379 return AMW0_set_u32(value, cap);
5c742b45 1380 }
745a5d21 1381 case ACER_WMID:
38db157d 1382 return WMID_set_u32(value, cap);
72e71de1
LCY		 1383 case ACER_WMID_v2:
1384 if (cap & (ACER_CAP_WIRELESS |
1385 ACER_CAP_BLUETOOTH |
1386 ACER_CAP_THREEG))
1387 return wmid_v2_set_u32(value, cap);
1388 else if (wmi_has_guid(WMID_GUID2))
38db157d 1389 return WMID_set_u32(value, cap);
745a5d21
CC		 1390 default:
1391 return AE_BAD_PARAMETER;
1392 }
1393 }
1394 return AE_BAD_PARAMETER;
1395}
1396
1397static void __init acer_commandline_init(void)
1398{
1399 /*
1400 * These will all fail silently if the value given is invalid, or the
1401 * capability isn't available on the given interface
1402 */
c2647b5e
LCY		 1403 if (mailled >= 0)
1404 set_u32(mailled, ACER_CAP_MAILLED);
1405 if (!has_type_aa && threeg >= 0)
6c3df88f 1406 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1407 if (brightness >= 0)
1408 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1409}
1410
1411/*
1412 * LED device (Mail LED only, no other LEDs known yet)
1413 */
1414static void mail_led_set(struct led_classdev *led_cdev,
1415enum led_brightness value)
1416{
1417 set_u32(value, ACER_CAP_MAILLED);
1418}
1419
1420static struct led_classdev mail_led = {
343c0042 1421 .name = "acer-wmi::mail",
745a5d21
CC		 1422 .brightness_set = mail_led_set,
1423};
1424
b859f159 1425static int acer_led_init(struct device *dev)
745a5d21
CC		 1426{
1427 return led_classdev_register(dev, &mail_led);
1428}
1429
1430static void acer_led_exit(void)
1431{
9a0b74fd 1432 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1433 led_classdev_unregister(&mail_led);
1434}
1435
1436/*
1437 * Backlight device
1438 */
1439static struct backlight_device *acer_backlight_device;
1440
1441static int read_brightness(struct backlight_device *bd)
1442{
1443 u32 value;
1444 get_u32(&value, ACER_CAP_BRIGHTNESS);
1445 return value;
1446}
1447
1448static int update_bl_status(struct backlight_device *bd)
1449{
f2b585b4
CC		 1450 int intensity = bd->props.brightness;
1451
1452 if (bd->props.power != FB_BLANK_UNBLANK)
1453 intensity = 0;
1454 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1455 intensity = 0;
1456
1457 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1458
745a5d21
CC		 1459 return 0;
1460}
1461
acc2472e 1462static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1463 .get_brightness = read_brightness,
1464 .update_status = update_bl_status,
1465};
1466
b859f159 1467static int acer_backlight_init(struct device *dev)
745a5d21 1468{
a19a6ee6 1469 struct backlight_properties props;
745a5d21
CC		 1470 struct backlight_device *bd;
1471
a19a6ee6 1472 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1473 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1474 props.max_brightness = max_brightness;
1475 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1476 &props);
745a5d21 1477 if (IS_ERR(bd)) {
cae15702 1478 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1479 acer_backlight_device = NULL;
1480 return PTR_ERR(bd);
1481 }
1482
1483 acer_backlight_device = bd;
1484
f2b585b4 1485 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1486 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1487 backlight_update_status(bd);
1488 return 0;
1489}
1490
7560e385 1491static void acer_backlight_exit(void)
745a5d21
CC		 1492{
1493 backlight_device_unregister(acer_backlight_device);
1494}
1495
1eb3fe1d
MV		 1496/*
1497 * Accelerometer device
1498 */
1499static acpi_handle gsensor_handle;
1500
1501static int acer_gsensor_init(void)
1502{
1503 acpi_status status;
1504 struct acpi_buffer output;
1505 union acpi_object out_obj;
1506
1507 output.length = sizeof(out_obj);
1508 output.pointer = &out_obj;
1509 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1510 if (ACPI_FAILURE(status))
1511 return -1;
1512
1513 return 0;
1514}
1515
1516static int acer_gsensor_open(struct input_dev *input)
1517{
1518 return acer_gsensor_init();
1519}
1520
1521static int acer_gsensor_event(void)
1522{
1523 acpi_status status;
1524 struct acpi_buffer output;
1525 union acpi_object out_obj[5];
1526
1527 if (!has_cap(ACER_CAP_ACCEL))
1528 return -1;
1529
1530 output.length = sizeof(out_obj);
1531 output.pointer = out_obj;
1532
1533 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1534 if (ACPI_FAILURE(status))
1535 return -1;
1536
1537 if (out_obj->package.count != 4)
1538 return -1;
1539
1540 input_report_abs(acer_wmi_accel_dev, ABS_X,
1541 (s16)out_obj->package.elements[0].integer.value);
1542 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1543 (s16)out_obj->package.elements[1].integer.value);
1544 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1545 (s16)out_obj->package.elements[2].integer.value);
1546 input_sync(acer_wmi_accel_dev);
1547 return 0;
1548}
1549
0606e1ab
CC		 1550/*
1551 * Rfkill devices
1552 */
0606e1ab
CC		 1553static void acer_rfkill_update(struct work_struct *ignored);
1554static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1555static void acer_rfkill_update(struct work_struct *ignored)
1556{
1557 u32 state;
1558 acpi_status status;
1559
1709adab
LCY		 1560 if (has_cap(ACER_CAP_WIRELESS)) {
1561 status = get_u32(&state, ACER_CAP_WIRELESS);
1562 if (ACPI_SUCCESS(status)) {
1563 if (quirks->wireless == 3)
1564 rfkill_set_hw_state(wireless_rfkill, !state);
1565 else
1566 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1567 }
1568 }
0606e1ab
CC		 1569
1570 if (has_cap(ACER_CAP_BLUETOOTH)) {
1571 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1572 if (ACPI_SUCCESS(status))
a878417c 1573 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1574 }
1575
b3c9092b 1576 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1577 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1578 if (ACPI_SUCCESS(status))
1579 rfkill_set_sw_state(threeg_rfkill, !state);
1580 }
1581
ae3a1b46 1582 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1583}
1584
19d337df 1585static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1586{
1587 acpi_status status;
19d337df 1588 u32 cap = (unsigned long)data;
8215af01
LCY		 1589
1590 if (rfkill_inited) {
72e71de1 1591 status = set_u32(!blocked, cap);
8215af01
LCY		 1592 if (ACPI_FAILURE(status))
1593 return -ENODEV;
1594 }
1595
0606e1ab
CC		 1596 return 0;
1597}
1598
19d337df
JB		 1599static const struct rfkill_ops acer_rfkill_ops = {
1600 .set_block = acer_rfkill_set,
1601};
1602
1603static struct rfkill *acer_rfkill_register(struct device *dev,
1604 enum rfkill_type type,
1605 char *name, u32 cap)
0606e1ab
CC		 1606{
1607 int err;
0606e1ab 1608 struct rfkill *rfkill_dev;
466449cf
LCY		 1609 u32 state;
1610 acpi_status status;
0606e1ab 1611
19d337df
JB		 1612 rfkill_dev = rfkill_alloc(name, dev, type,
1613 &acer_rfkill_ops,
1614 (void *)(unsigned long)cap);
0606e1ab
CC		 1615 if (!rfkill_dev)
1616 return ERR_PTR(-ENOMEM);
0606e1ab 1617
72e71de1 1618 status = get_u32(&state, cap);
466449cf 1619
0606e1ab
CC		 1620 err = rfkill_register(rfkill_dev);
1621 if (err) {
19d337df 1622 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1623 return ERR_PTR(err);
1624 }
8215af01
LCY		 1625
1626 if (ACPI_SUCCESS(status))
1627 rfkill_set_sw_state(rfkill_dev, !state);
1628
0606e1ab
CC		 1629 return rfkill_dev;
1630}
1631
1632static int acer_rfkill_init(struct device *dev)
1633{
1709adab
LCY		 1634 int err;
1635
1636 if (has_cap(ACER_CAP_WIRELESS)) {
1637 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1638 "acer-wireless", ACER_CAP_WIRELESS);
1639 if (IS_ERR(wireless_rfkill)) {
1640 err = PTR_ERR(wireless_rfkill);
1641 goto error_wireless;
1642 }
1643 }
0606e1ab
CC		 1644
1645 if (has_cap(ACER_CAP_BLUETOOTH)) {
1646 bluetooth_rfkill = acer_rfkill_register(dev,
1647 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1648 ACER_CAP_BLUETOOTH);
1649 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1650 err = PTR_ERR(bluetooth_rfkill);
1651 goto error_bluetooth;
0606e1ab
CC		 1652 }
1653 }
1654
b3c9092b
LCY		 1655 if (has_cap(ACER_CAP_THREEG)) {
1656 threeg_rfkill = acer_rfkill_register(dev,
1657 RFKILL_TYPE_WWAN, "acer-threeg",
1658 ACER_CAP_THREEG);
1659 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1660 err = PTR_ERR(threeg_rfkill);
1661 goto error_threeg;
b3c9092b
LCY		 1662 }
1663 }
1664
8215af01
LCY		 1665 rfkill_inited = true;
1666
1709adab
LCY		 1667 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1668 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904
LCY		 1669 schedule_delayed_work(&acer_rfkill_work,
1670 round_jiffies_relative(HZ));
0606e1ab
CC		 1671
1672 return 0;
1709adab
LCY		 1673
1674error_threeg:
1675 if (has_cap(ACER_CAP_BLUETOOTH)) {
1676 rfkill_unregister(bluetooth_rfkill);
1677 rfkill_destroy(bluetooth_rfkill);
1678 }
1679error_bluetooth:
1680 if (has_cap(ACER_CAP_WIRELESS)) {
1681 rfkill_unregister(wireless_rfkill);
1682 rfkill_destroy(wireless_rfkill);
1683 }
1684error_wireless:
1685 return err;
0606e1ab
CC		 1686}
1687
1688static void acer_rfkill_exit(void)
1689{
1709adab
LCY		 1690 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1691 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1692 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1693
1709adab
LCY		 1694 if (has_cap(ACER_CAP_WIRELESS)) {
1695 rfkill_unregister(wireless_rfkill);
1696 rfkill_destroy(wireless_rfkill);
1697 }
19d337df 1698
0606e1ab 1699 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1700 rfkill_unregister(bluetooth_rfkill);
19d337df 1701 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1702 }
b3c9092b
LCY		 1703
1704 if (has_cap(ACER_CAP_THREEG)) {
1705 rfkill_unregister(threeg_rfkill);
1706 rfkill_destroy(threeg_rfkill);
1707 }
0606e1ab
CC		 1708 return;
1709}
1710
3fdca87d
LCY		 1711static void acer_wmi_notify(u32 value, void *context)
1712{
1713 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1714 union acpi_object *obj;
1715 struct event_return_value return_value;
1716 acpi_status status;
92530664
SF		 1717 u16 device_state;
1718 const struct key_entry *key;
8e2286ce 1719 u32 scancode;
3fdca87d
LCY		 1720
1721 status = wmi_get_event_data(value, &response);
1722 if (status != AE_OK) {
249c720d 1723 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1724 return;
1725 }
1726
1727 obj = (union acpi_object *)response.pointer;
1728
1729 if (!obj)
1730 return;
1731 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1732 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1733 kfree(obj);
1734 return;
1735 }
1736 if (obj->buffer.length != 8) {
249c720d 1737 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1738 kfree(obj);
1739 return;
1740 }
1741
1742 return_value = *((struct event_return_value *)obj->buffer.pointer);
1743 kfree(obj);
1744
1745 switch (return_value.function) {
1746 case WMID_HOTKEY_EVENT:
92530664
SF		 1747 device_state = return_value.device_state;
1748 pr_debug("device state: 0x%x\n", device_state);
1749
1750 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1751 return_value.key_num);
1752 if (!key) {
249c720d 1753 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1754 return_value.key_num);
92530664 1755 } else {
8e2286ce 1756 scancode = return_value.key_num;
92530664
SF		 1757 switch (key->keycode) {
1758 case KEY_WLAN:
1759 case KEY_BLUETOOTH:
1760 if (has_cap(ACER_CAP_WIRELESS))
1761 rfkill_set_sw_state(wireless_rfkill,
1762 !(device_state & ACER_WMID3_GDS_WIRELESS));
1763 if (has_cap(ACER_CAP_THREEG))
1764 rfkill_set_sw_state(threeg_rfkill,
1765 !(device_state & ACER_WMID3_GDS_THREEG));
1766 if (has_cap(ACER_CAP_BLUETOOTH))
1767 rfkill_set_sw_state(bluetooth_rfkill,
1768 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1769 break;
8e2286ce
LCY		 1770 case KEY_TOUCHPAD_TOGGLE:
1771 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1772 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1773 }
8e2286ce 1774 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1775 }
3fdca87d 1776 break;
1eb3fe1d
MV		 1777 case WMID_ACCEL_EVENT:
1778 acer_gsensor_event();
1779 break;
3fdca87d 1780 default:
249c720d 1781 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1782 return_value.function, return_value.key_num);
1783 break;
1784 }
1785}
1786
76d51dd9 1787static acpi_status __init
280642c3
CC		 1788wmid3_set_function_mode(struct func_input_params *params,
1789 struct func_return_value *return_value)
59ccf2f3
FLCY		 1790{
1791 acpi_status status;
1792 union acpi_object *obj;
1793
280642c3 1794 struct acpi_buffer input = { sizeof(struct func_input_params), params };
59ccf2f3
FLCY		 1795 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1796
1797 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1798 if (ACPI_FAILURE(status))
1799 return status;
1800
1801 obj = output.pointer;
1802
1803 if (!obj)
1804 return AE_ERROR;
1805 else if (obj->type != ACPI_TYPE_BUFFER) {
1806 kfree(obj);
1807 return AE_ERROR;
1808 }
1809 if (obj->buffer.length != 4) {
249c720d 1810 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1811 kfree(obj);
1812 return AE_ERROR;
1813 }
1814
280642c3 1815 *return_value = *((struct func_return_value *)obj->buffer.pointer);
59ccf2f3
FLCY		 1816 kfree(obj);
1817
1818 return status;
1819}
1820
76d51dd9 1821static int __init acer_wmi_enable_ec_raw(void)
59ccf2f3 1822{
280642c3 1823 struct func_return_value return_value;
59ccf2f3 1824 acpi_status status;
280642c3 1825 struct func_input_params params = {
59ccf2f3
FLCY		 1826 .function_num = 0x1,
1827 .commun_devices = 0xFFFF,
1828 .devices = 0xFFFF,
280642c3
CC		 1829 .app_status = 0x00, /* Launch Manager Deactive */
1830 .app_mask = 0x01,
59ccf2f3
FLCY		 1831 };
1832
280642c3 1833 status = wmid3_set_function_mode(&params, &return_value);
59ccf2f3
FLCY		 1834
1835 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1836 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1837 return_value.error_code,
1838 return_value.ec_return_value);
59ccf2f3 1839 else
249c720d 1840 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1841
1842 return status;
1843}
1844
76d51dd9 1845static int __init acer_wmi_enable_lm(void)
59ccf2f3 1846{
280642c3 1847 struct func_return_value return_value;
59ccf2f3 1848 acpi_status status;
280642c3 1849 struct func_input_params params = {
59ccf2f3
FLCY		 1850 .function_num = 0x1,
1851 .commun_devices = 0xFFFF,
1852 .devices = 0xFFFF,
280642c3
CC		 1853 .app_status = 0x01, /* Launch Manager Active */
1854 .app_mask = 0x01,
59ccf2f3
FLCY		 1855 };
1856
280642c3 1857 status = wmid3_set_function_mode(&params, &return_value);
59ccf2f3
FLCY		 1858
1859 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1860 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1861 return_value.error_code,
1862 return_value.ec_return_value);
59ccf2f3
FLCY		 1863
1864 return status;
1865}
1866
280642c3
CC		 1867static int __init acer_wmi_enable_rf_button(void)
1868{
1869 struct func_return_value return_value;
1870 acpi_status status;
1871 struct func_input_params params = {
1872 .function_num = 0x1,
1873 .commun_devices = 0xFFFF,
1874 .devices = 0xFFFF,
1875 .app_status = 0x10, /* RF Button Active */
1876 .app_mask = 0x10,
1877 };
1878
1879 status = wmid3_set_function_mode(&params, &return_value);
1880
1881 if (return_value.error_code || return_value.ec_return_value)
1882 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
1883 return_value.error_code,
1884 return_value.ec_return_value);
1885
1886 return status;
1887}
1888
98d610c3
LCY		 1889#define ACER_WMID_ACCEL_HID "BST0001"
1890
1eb3fe1d
MV		 1891static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1892 void *ctx, void **retval)
1893{
98d610c3
LCY		 1894 struct acpi_device *dev;
1895
1896 if (!strcmp(ctx, "SENR")) {
1897 if (acpi_bus_get_device(ah, &dev))
1898 return AE_OK;
1899 if (!strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev)))
1900 return AE_OK;
1901 } else
1902 return AE_OK;
1903
1eb3fe1d 1904 *(acpi_handle *)retval = ah;
98d610c3
LCY		 1905
1906 return AE_CTRL_TERMINATE;
1eb3fe1d
MV		 1907}
1908
1909static int __init acer_wmi_get_handle(const char *name, const char *prop,
1910 acpi_handle *ah)
1911{
1912 acpi_status status;
1913 acpi_handle handle;
1914
1915 BUG_ON(!name || !ah);
1916
24237c43 1917 handle = NULL;
1eb3fe1d
MV		 1918 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1919 (void *)name, &handle);
1920
1921 if (ACPI_SUCCESS(status)) {
1922 *ah = handle;
1923 return 0;
1924 } else {
1925 return -ENODEV;
1926 }
1927}
1928
1929static int __init acer_wmi_accel_setup(void)
1930{
1931 int err;
1932
98d610c3 1933 err = acer_wmi_get_handle("SENR", ACER_WMID_ACCEL_HID, &gsensor_handle);
1eb3fe1d
MV		 1934 if (err)
1935 return err;
1936
1937 interface->capability |= ACER_CAP_ACCEL;
1938
1939 acer_wmi_accel_dev = input_allocate_device();
1940 if (!acer_wmi_accel_dev)
1941 return -ENOMEM;
1942
1943 acer_wmi_accel_dev->open = acer_gsensor_open;
1944
1945 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1946 acer_wmi_accel_dev->phys = "wmi/input1";
1947 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1948 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1949 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1950 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1951 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1952
1953 err = input_register_device(acer_wmi_accel_dev);
1954 if (err)
1955 goto err_free_dev;
1956
1957 return 0;
1958
1959err_free_dev:
1960 input_free_device(acer_wmi_accel_dev);
1961 return err;
1962}
1963
1964static void acer_wmi_accel_destroy(void)
1965{
1966 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1967}
1968
3fdca87d
LCY		 1969static int __init acer_wmi_input_setup(void)
1970{
1971 acpi_status status;
1972 int err;
1973
1974 acer_wmi_input_dev = input_allocate_device();
1975 if (!acer_wmi_input_dev)
1976 return -ENOMEM;
1977
1978 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1979 acer_wmi_input_dev->phys = "wmi/input0";
1980 acer_wmi_input_dev->id.bustype = BUS_HOST;
1981
1982 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1983 if (err)
1984 goto err_free_dev;
1985
1986 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1987 acer_wmi_notify, NULL);
1988 if (ACPI_FAILURE(status)) {
1989 err = -EIO;
cd1aaef0 1990 goto err_free_dev;
3fdca87d
LCY		 1991 }
1992
1993 err = input_register_device(acer_wmi_input_dev);
1994 if (err)
1995 goto err_uninstall_notifier;
1996
1997 return 0;
1998
1999err_uninstall_notifier:
2000 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
3fdca87d
LCY		 2001err_free_dev:
2002 input_free_device(acer_wmi_input_dev);
2003 return err;
2004}
2005
2006static void acer_wmi_input_destroy(void)
2007{
2008 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
3fdca87d
LCY		 2009 input_unregister_device(acer_wmi_input_dev);
2010}
2011
81143522
CC		 2012/*
2013 * debugfs functions
2014 */
2015static u32 get_wmid_devices(void)
2016{
2017 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2018 union acpi_object *obj;
2019 acpi_status status;
66904863 2020 u32 devices = 0;
81143522
CC		 2021
2022 status = wmi_query_block(WMID_GUID2, 1, &out);
2023 if (ACPI_FAILURE(status))
2024 return 0;
2025
2026 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 2027 if (obj) {
2028 if (obj->type == ACPI_TYPE_BUFFER &&
2029 (obj->buffer.length == sizeof(u32) ||
2030 obj->buffer.length == sizeof(u64))) {
2031 devices = *((u32 *) obj->buffer.pointer);
2032 } else if (obj->type == ACPI_TYPE_INTEGER) {
2033 devices = (u32) obj->integer.value;
2034 }
81143522 2035 }
66904863
AL		 2036
2037 kfree(out.pointer);
2038 return devices;
81143522
CC		 2039}
2040
745a5d21
CC		 2041/*
2042 * Platform device
2043 */
b859f159 2044static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 2045{
2046 int err;
2047
2048 if (has_cap(ACER_CAP_MAILLED)) {
2049 err = acer_led_init(&device->dev);
2050 if (err)
2051 goto error_mailled;
2052 }
2053
2054 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2055 err = acer_backlight_init(&device->dev);
2056 if (err)
2057 goto error_brightness;
2058 }
2059
0606e1ab 2060 err = acer_rfkill_init(&device->dev);
350e3290
AW		 2061 if (err)
2062 goto error_rfkill;
0606e1ab
CC		 2063
2064 return err;
745a5d21 2065
350e3290
AW		 2066error_rfkill:
2067 if (has_cap(ACER_CAP_BRIGHTNESS))
2068 acer_backlight_exit();
745a5d21 2069error_brightness:
350e3290
AW		 2070 if (has_cap(ACER_CAP_MAILLED))
2071 acer_led_exit();
745a5d21
CC		 2072error_mailled:
2073 return err;
2074}
2075
2076static int acer_platform_remove(struct platform_device *device)
2077{
2078 if (has_cap(ACER_CAP_MAILLED))
2079 acer_led_exit();
2080 if (has_cap(ACER_CAP_BRIGHTNESS))
2081 acer_backlight_exit();
0606e1ab
CC		 2082
2083 acer_rfkill_exit();
745a5d21
CC		 2084 return 0;
2085}
2086
80f65558 2087#ifdef CONFIG_PM_SLEEP
3c33be0b 2088static int acer_suspend(struct device *dev)
745a5d21
CC		 2089{
2090 u32 value;
2091 struct acer_data *data = &interface->data;
2092
2093 if (!data)
2094 return -ENOMEM;
2095
745a5d21
CC		 2096 if (has_cap(ACER_CAP_MAILLED)) {
2097 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2098 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2099 data->mailled = value;
2100 }
2101
2102 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2103 get_u32(&value, ACER_CAP_BRIGHTNESS);
2104 data->brightness = value;
2105 }
2106
2107 return 0;
2108}
2109
3c33be0b 2110static int acer_resume(struct device *dev)
745a5d21
CC		 2111{
2112 struct acer_data *data = &interface->data;
2113
2114 if (!data)
2115 return -ENOMEM;
2116
745a5d21
CC		 2117 if (has_cap(ACER_CAP_MAILLED))
2118 set_u32(data->mailled, ACER_CAP_MAILLED);
2119
2120 if (has_cap(ACER_CAP_BRIGHTNESS))
2121 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2122
1eb3fe1d
MV		 2123 if (has_cap(ACER_CAP_ACCEL))
2124 acer_gsensor_init();
2125
745a5d21
CC		 2126 return 0;
2127}
80f65558
MK		 2128#else
2129#define acer_suspend NULL
2130#define acer_resume NULL
2131#endif
745a5d21 2132
3c33be0b
RW		 2133static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2134
9a0b74fd
PR		 2135static void acer_platform_shutdown(struct platform_device *device)
2136{
2137 struct acer_data *data = &interface->data;
2138
2139 if (!data)
2140 return;
2141
2142 if (has_cap(ACER_CAP_MAILLED))
2143 set_u32(LED_OFF, ACER_CAP_MAILLED);
2144}
2145
745a5d21
CC		 2146static struct platform_driver acer_platform_driver = {
2147 .driver = {
2148 .name = "acer-wmi",
3c33be0b 2149 .pm = &acer_pm,
745a5d21
CC		 2150 },
2151 .probe = acer_platform_probe,
2152 .remove = acer_platform_remove,
9a0b74fd 2153 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2154};
2155
2156static struct platform_device *acer_platform_device;
2157
81143522
CC		 2158static void remove_debugfs(void)
2159{
2160 debugfs_remove(interface->debug.devices);
2161 debugfs_remove(interface->debug.root);
2162}
2163
76d51dd9 2164static int __init create_debugfs(void)
81143522
CC		 2165{
2166 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2167 if (!interface->debug.root) {
cae15702 2168 pr_err("Failed to create debugfs directory");
81143522
CC		 2169 return -ENOMEM;
2170 }
2171
2172 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2173 interface->debug.root,
2174 &interface->debug.wmid_devices);
2175 if (!interface->debug.devices)
2176 goto error_debugfs;
2177
2178 return 0;
2179
2180error_debugfs:
39dbbb45 2181 remove_debugfs();
81143522
CC		 2182 return -ENOMEM;
2183}
2184
745a5d21
CC		 2185static int __init acer_wmi_init(void)
2186{
2187 int err;
2188
cae15702 2189 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2190
a74dd5fd 2191 if (dmi_check_system(acer_blacklist)) {
cae15702 2192 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2193 return -ENODEV;
2194 }
2195
9991d9f2
CC		 2196 find_quirks();
2197
5241b193
LCY		 2198 /*
2199 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2200 * machines like Lenovo, Fujitsu and Medion. In the past days,
2201 * acer-wmi driver handled those non-Acer machines by quirks list.
2202 * But actually acer-wmi driver was loaded on any machines that have
2203 * AMW0_GUID1. This behavior is strange because those machines should
2204 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2205 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2206 * should be in Acer/Gateway/Packard Bell white list, or it's already
2207 * in the past quirk list.
2208 */
2209 if (wmi_has_guid(AMW0_GUID1) &&
2210 !dmi_check_system(amw0_whitelist) &&
2211 quirks == &quirk_unknown) {
2212 pr_err("Unsupported machine has AMW0_GUID1, unable to load\n");
2213 return -ENODEV;
2214 }
2215
745a5d21
CC		 2216 /*
2217 * Detect which ACPI-WMI interface we're using.
2218 */
2219 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2220 interface = &AMW0_V2_interface;
2221
2222 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2223 interface = &wmid_interface;
2224
72e71de1
LCY		 2225 if (wmi_has_guid(WMID_GUID3))
2226 interface = &wmid_v2_interface;
2227
2228 if (interface)
2229 dmi_walk(type_aa_dmi_decode, NULL);
2230
745a5d21 2231 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2232 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2233 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2234 return -ENODEV;
2235 }
72e71de1
LCY		 2236 /* WMID always provides brightness methods */
2237 interface->capability |= ACER_CAP_BRIGHTNESS;
2238 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2239 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2240 return -ENODEV;
2241 }
2242
2243 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2244 interface = &AMW0_interface;
2245
2246 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2247 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2248 return -ENODEV;
2249 }
2250 }
2251
9b963c40
CC		 2252 if (wmi_has_guid(AMW0_GUID1))
2253 AMW0_find_mailled();
745a5d21 2254
745a5d21 2255 if (!interface) {
cae15702 2256 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2257 return -ENODEV;
2258 }
2259
83097aca
AV		 2260 set_quirks();
2261
a60b2176 2262 if (dmi_check_system(video_vendor_dmi_table))
9a65f0df
HG		 2263 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2264
2265 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
a60b2176 2266 interface->capability &= ~ACER_CAP_BRIGHTNESS;
febf2d95 2267
59ccf2f3 2268 if (wmi_has_guid(WMID_GUID3)) {
280642c3
CC		 2269 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
2270 pr_warn("Cannot enable RF Button Driver\n");
2271
59ccf2f3
FLCY		 2272 if (ec_raw_mode) {
2273 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2274 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2275 return -ENODEV;
2276 }
2277 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2278 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2279 return -ENODEV;
2280 }
2281 } else if (ec_raw_mode) {
cae15702 2282 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2283 }
2284
3fdca87d
LCY		 2285 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2286 err = acer_wmi_input_setup();
2287 if (err)
2288 return err;
98d610c3
LCY		 2289 err = acer_wmi_accel_setup();
2290 if (err)
2291 return err;
3fdca87d
LCY		 2292 }
2293
1c79632b
AL		 2294 err = platform_driver_register(&acer_platform_driver);
2295 if (err) {
6e71f38b 2296 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2297 goto error_platform_register;
2298 }
1c79632b 2299
745a5d21 2300 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2301 if (!acer_platform_device) {
2302 err = -ENOMEM;
2303 goto error_device_alloc;
2304 }
2305
2306 err = platform_device_add(acer_platform_device);
2307 if (err)
2308 goto error_device_add;
745a5d21 2309
81143522
CC		 2310 if (wmi_has_guid(WMID_GUID2)) {
2311 interface->debug.wmid_devices = get_wmid_devices();
2312 err = create_debugfs();
2313 if (err)
1c79632b 2314 goto error_create_debugfs;
81143522
CC		 2315 }
2316
745a5d21
CC		 2317 /* Override any initial settings with values from the commandline */
2318 acer_commandline_init();
2319
2320 return 0;
2321
1c79632b 2322error_create_debugfs:
1c79632b
AL		 2323 platform_device_del(acer_platform_device);
2324error_device_add:
2325 platform_device_put(acer_platform_device);
2326error_device_alloc:
2327 platform_driver_unregister(&acer_platform_driver);
745a5d21 2328error_platform_register:
3fdca87d
LCY		 2329 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2330 acer_wmi_input_destroy();
1eb3fe1d
MV		 2331 if (has_cap(ACER_CAP_ACCEL))
2332 acer_wmi_accel_destroy();
3fdca87d 2333
1c79632b 2334 return err;
745a5d21
CC		 2335}
2336
2337static void __exit acer_wmi_exit(void)
2338{
3fdca87d
LCY		 2339 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2340 acer_wmi_input_destroy();
2341
1eb3fe1d
MV		 2342 if (has_cap(ACER_CAP_ACCEL))
2343 acer_wmi_accel_destroy();
2344
39dbbb45 2345 remove_debugfs();
97ba0af0 2346 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2347 platform_driver_unregister(&acer_platform_driver);
2348
cae15702 2349 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2350 return;
2351}
2352
2353module_init(acer_wmi_init);
2354module_exit(acer_wmi_exit);
Arne's tree of linux kernel.