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acer-wmi: Hide acer_{suspend,resume} for !CONFIG_PM_SLEEP
[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
297static void set_quirks(void)
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
309static int dmi_matched(const struct dmi_system_id *dmi)
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 */
b859f159 340static struct dmi_system_id acer_blacklist[] = {
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
745a5d21 358static struct dmi_system_id acer_quirks[] = {
9991d9f2
CC		 359 {
360 .callback = dmi_matched,
361 .ident = "Acer Aspire 1360",
362 .matches = {
363 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
364 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
365 },
366 .driver_data = &quirk_acer_aspire_1520,
367 },
368 {
369 .callback = dmi_matched,
370 .ident = "Acer Aspire 1520",
371 .matches = {
372 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
374 },
375 .driver_data = &quirk_acer_aspire_1520,
376 },
745a5d21
CC		 377 {
378 .callback = dmi_matched,
379 .ident = "Acer Aspire 3100",
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
382 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
383 },
384 .driver_data = &quirk_acer_travelmate_2490,
385 },
ed9cfe98
CC		 386 {
387 .callback = dmi_matched,
388 .ident = "Acer Aspire 3610",
389 .matches = {
390 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
391 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
392 },
393 .driver_data = &quirk_acer_travelmate_2490,
394 },
745a5d21
CC		 395 {
396 .callback = dmi_matched,
397 .ident = "Acer Aspire 5100",
398 .matches = {
399 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
400 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
401 },
402 .driver_data = &quirk_acer_travelmate_2490,
403 },
ed9cfe98
CC		 404 {
405 .callback = dmi_matched,
406 .ident = "Acer Aspire 5610",
407 .matches = {
408 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
410 },
411 .driver_data = &quirk_acer_travelmate_2490,
412 },
745a5d21
CC		 413 {
414 .callback = dmi_matched,
415 .ident = "Acer Aspire 5630",
416 .matches = {
417 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
418 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
419 },
420 .driver_data = &quirk_acer_travelmate_2490,
421 },
422 {
423 .callback = dmi_matched,
424 .ident = "Acer Aspire 5650",
425 .matches = {
426 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
427 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
428 },
429 .driver_data = &quirk_acer_travelmate_2490,
430 },
431 {
432 .callback = dmi_matched,
433 .ident = "Acer Aspire 5680",
434 .matches = {
435 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
437 },
438 .driver_data = &quirk_acer_travelmate_2490,
439 },
440 {
441 .callback = dmi_matched,
442 .ident = "Acer Aspire 9110",
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
446 },
447 .driver_data = &quirk_acer_travelmate_2490,
448 },
449 {
450 .callback = dmi_matched,
451 .ident = "Acer TravelMate 2490",
452 .matches = {
453 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
454 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
455 },
456 .driver_data = &quirk_acer_travelmate_2490,
457 },
262ee35b
CC		 458 {
459 .callback = dmi_matched,
460 .ident = "Acer TravelMate 4200",
461 .matches = {
462 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
464 },
465 .driver_data = &quirk_acer_travelmate_2490,
466 },
6f061ab5
CC		 467 {
468 .callback = dmi_matched,
469 .ident = "Fujitsu Siemens Amilo Li 1718",
470 .matches = {
471 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
473 },
474 .driver_data = &quirk_fujitsu_amilo_li_1718,
475 },
745a5d21
CC		 476 {
477 .callback = dmi_matched,
478 .ident = "Medion MD 98300",
479 .matches = {
480 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
481 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
482 },
483 .driver_data = &quirk_medion_md_98300,
484 },
15b956a0
LCY		 485 {
486 .callback = dmi_matched,
487 .ident = "Lenovo Ideapad S205",
488 .matches = {
489 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
490 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
491 },
492 .driver_data = &quirk_lenovo_ideapad_s205,
493 },
c08f2086
LCY		 494 {
495 .callback = dmi_matched,
496 .ident = "Lenovo Ideapad S205 (Brazos)",
497 .matches = {
498 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
499 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
500 },
501 .driver_data = &quirk_lenovo_ideapad_s205,
502 },
be3128b1
SF		 503 {
504 .callback = dmi_matched,
505 .ident = "Lenovo 3000 N200",
506 .matches = {
507 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
508 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
509 },
510 .driver_data = &quirk_fujitsu_amilo_li_1718,
511 },
e6c33f1f
LCY		 512 {
513 .callback = dmi_matched,
514 .ident = "Lenovo Ideapad S205-10382JG",
515 .matches = {
516 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
517 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
518 },
519 .driver_data = &quirk_lenovo_ideapad_s205,
520 },
5f3511d2
LCY		 521 {
522 .callback = dmi_matched,
523 .ident = "Lenovo Ideapad S205-1038DPG",
524 .matches = {
525 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
526 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
527 },
528 .driver_data = &quirk_lenovo_ideapad_s205,
529 },
745a5d21
CC		 530 {}
531};
532
86924de2
LCY		 533static int video_set_backlight_video_vendor(const struct dmi_system_id *d)
534{
535 interface->capability &= ~ACER_CAP_BRIGHTNESS;
536 pr_info("Brightness must be controlled by generic video driver\n");
537 return 0;
538}
539
540static const struct dmi_system_id video_vendor_dmi_table[] = {
541 {
542 .callback = video_set_backlight_video_vendor,
543 .ident = "Acer TravelMate 4750",
544 .matches = {
545 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
546 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
547 },
548 },
050eff39
LCY		 549 {
550 .callback = video_set_backlight_video_vendor,
551 .ident = "Acer Extensa 5235",
552 .matches = {
553 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
554 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
555 },
556 },
557 {
558 .callback = video_set_backlight_video_vendor,
559 .ident = "Acer TravelMate 5760",
560 .matches = {
561 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
562 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
563 },
564 },
565 {
566 .callback = video_set_backlight_video_vendor,
567 .ident = "Acer Aspire 5750",
568 .matches = {
569 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
570 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
571 },
572 },
9404cd95
HG		 573 {
574 .callback = video_set_backlight_video_vendor,
575 .ident = "Acer Aspire 5741",
576 .matches = {
577 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
578 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
579 },
580 },
86924de2
LCY		 581 {}
582};
583
745a5d21
CC		 584/* Find which quirks are needed for a particular vendor/ model pair */
585static void find_quirks(void)
586{
587 if (!force_series) {
588 dmi_check_system(acer_quirks);
589 } else if (force_series == 2490) {
590 quirks = &quirk_acer_travelmate_2490;
591 }
592
593 if (quirks == NULL)
594 quirks = &quirk_unknown;
595
596 set_quirks();
597}
598
599/*
600 * General interface convenience methods
601 */
602
603static bool has_cap(u32 cap)
604{
605 if ((interface->capability & cap) != 0)
606 return 1;
607
608 return 0;
609}
610
611/*
612 * AMW0 (V1) interface
613 */
614struct wmab_args {
615 u32 eax;
616 u32 ebx;
617 u32 ecx;
618 u32 edx;
619};
620
621struct wmab_ret {
622 u32 eax;
623 u32 ebx;
624 u32 ecx;
625 u32 edx;
626 u32 eex;
627};
628
629static acpi_status wmab_execute(struct wmab_args *regbuf,
630struct acpi_buffer *result)
631{
632 struct acpi_buffer input;
633 acpi_status status;
634 input.length = sizeof(struct wmab_args);
635 input.pointer = (u8 *)regbuf;
636
637 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
638
639 return status;
640}
641
38db157d 642static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 643{
644 int err;
645 u8 result;
646
647 switch (cap) {
648 case ACER_CAP_MAILLED:
649 switch (quirks->mailled) {
650 default:
651 err = ec_read(0xA, &result);
652 if (err)
653 return AE_ERROR;
654 *value = (result >> 7) & 0x1;
655 return AE_OK;
656 }
657 break;
658 case ACER_CAP_WIRELESS:
659 switch (quirks->wireless) {
660 case 1:
661 err = ec_read(0x7B, &result);
662 if (err)
663 return AE_ERROR;
664 *value = result & 0x1;
665 return AE_OK;
6f061ab5
CC		 666 case 2:
667 err = ec_read(0x71, &result);
668 if (err)
669 return AE_ERROR;
670 *value = result & 0x1;
671 return AE_OK;
15b956a0
LCY		 672 case 3:
673 err = ec_read(0x78, &result);
674 if (err)
675 return AE_ERROR;
676 *value = result & 0x1;
677 return AE_OK;
745a5d21
CC		 678 default:
679 err = ec_read(0xA, &result);
680 if (err)
681 return AE_ERROR;
682 *value = (result >> 2) & 0x1;
683 return AE_OK;
684 }
685 break;
686 case ACER_CAP_BLUETOOTH:
687 switch (quirks->bluetooth) {
688 default:
689 err = ec_read(0xA, &result);
690 if (err)
691 return AE_ERROR;
692 *value = (result >> 4) & 0x1;
693 return AE_OK;
694 }
695 break;
696 case ACER_CAP_BRIGHTNESS:
697 switch (quirks->brightness) {
698 default:
699 err = ec_read(0x83, &result);
700 if (err)
701 return AE_ERROR;
702 *value = result;
703 return AE_OK;
704 }
705 break;
706 default:
08237974 707 return AE_ERROR;
745a5d21
CC		 708 }
709 return AE_OK;
710}
711
38db157d 712static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 713{
714 struct wmab_args args;
715
716 args.eax = ACER_AMW0_WRITE;
717 args.ebx = value ? (1<<8) : 0;
718 args.ecx = args.edx = 0;
719
720 switch (cap) {
721 case ACER_CAP_MAILLED:
722 if (value > 1)
723 return AE_BAD_PARAMETER;
724 args.ebx |= ACER_AMW0_MAILLED_MASK;
725 break;
726 case ACER_CAP_WIRELESS:
727 if (value > 1)
728 return AE_BAD_PARAMETER;
729 args.ebx |= ACER_AMW0_WIRELESS_MASK;
730 break;
731 case ACER_CAP_BLUETOOTH:
732 if (value > 1)
733 return AE_BAD_PARAMETER;
734 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
735 break;
736 case ACER_CAP_BRIGHTNESS:
737 if (value > max_brightness)
738 return AE_BAD_PARAMETER;
739 switch (quirks->brightness) {
745a5d21 740 default:
4609d029
CC		 741 return ec_write(0x83, value);
742 break;
745a5d21
CC		 743 }
744 default:
08237974 745 return AE_ERROR;
745a5d21
CC		 746 }
747
748 /* Actually do the set */
749 return wmab_execute(&args, NULL);
750}
751
752static acpi_status AMW0_find_mailled(void)
753{
754 struct wmab_args args;
755 struct wmab_ret ret;
756 acpi_status status = AE_OK;
757 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
758 union acpi_object *obj;
759
760 args.eax = 0x86;
761 args.ebx = args.ecx = args.edx = 0;
762
763 status = wmab_execute(&args, &out);
764 if (ACPI_FAILURE(status))
765 return status;
766
767 obj = (union acpi_object *) out.pointer;
768 if (obj && obj->type == ACPI_TYPE_BUFFER &&
769 obj->buffer.length == sizeof(struct wmab_ret)) {
770 ret = *((struct wmab_ret *) obj->buffer.pointer);
771 } else {
7677fbdf 772 kfree(out.pointer);
745a5d21
CC		 773 return AE_ERROR;
774 }
775
776 if (ret.eex & 0x1)
777 interface->capability |= ACER_CAP_MAILLED;
778
779 kfree(out.pointer);
780
781 return AE_OK;
782}
783
461e7437
IP		 784static int AMW0_set_cap_acpi_check_device_found;
785
786static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
787 u32 level, void *context, void **retval)
788{
789 AMW0_set_cap_acpi_check_device_found = 1;
790 return AE_OK;
791}
792
793static const struct acpi_device_id norfkill_ids[] = {
794 { "VPC2004", 0},
795 { "IBM0068", 0},
796 { "LEN0068", 0},
5719b819 797 { "SNY5001", 0}, /* sony-laptop in charge */
461e7437
IP		 798 { "", 0},
799};
800
801static int AMW0_set_cap_acpi_check_device(void)
802{
803 const struct acpi_device_id *id;
804
805 for (id = norfkill_ids; id->id[0]; id++)
806 acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
807 NULL, NULL);
808 return AMW0_set_cap_acpi_check_device_found;
809}
810
745a5d21
CC		 811static acpi_status AMW0_set_capabilities(void)
812{
813 struct wmab_args args;
814 struct wmab_ret ret;
7677fbdf 815 acpi_status status;
745a5d21
CC		 816 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
817 union acpi_object *obj;
818
5753dd53
CC		 819 /*
820 * On laptops with this strange GUID (non Acer), normal probing doesn't
821 * work.
822 */
823 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 824 if ((quirks != &quirk_unknown) ||
825 !AMW0_set_cap_acpi_check_device())
826 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 827 return AE_OK;
828 }
829
745a5d21
CC		 830 args.eax = ACER_AMW0_WRITE;
831 args.ecx = args.edx = 0;
832
833 args.ebx = 0xa2 << 8;
834 args.ebx |= ACER_AMW0_WIRELESS_MASK;
835
836 status = wmab_execute(&args, &out);
837 if (ACPI_FAILURE(status))
838 return status;
839
7677fbdf 840 obj = out.pointer;
745a5d21
CC		 841 if (obj && obj->type == ACPI_TYPE_BUFFER &&
842 obj->buffer.length == sizeof(struct wmab_ret)) {
843 ret = *((struct wmab_ret *) obj->buffer.pointer);
844 } else {
7677fbdf
AL		 845 status = AE_ERROR;
846 goto out;
745a5d21
CC		 847 }
848
849 if (ret.eax & 0x1)
850 interface->capability |= ACER_CAP_WIRELESS;
851
852 args.ebx = 2 << 8;
853 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
854
7677fbdf
AL		 855 /*
856 * It's ok to use existing buffer for next wmab_execute call.
857 * But we need to kfree(out.pointer) if next wmab_execute fail.
858 */
745a5d21
CC		 859 status = wmab_execute(&args, &out);
860 if (ACPI_FAILURE(status))
7677fbdf 861 goto out;
745a5d21
CC		 862
863 obj = (union acpi_object *) out.pointer;
864 if (obj && obj->type == ACPI_TYPE_BUFFER
865 && obj->buffer.length == sizeof(struct wmab_ret)) {
866 ret = *((struct wmab_ret *) obj->buffer.pointer);
867 } else {
7677fbdf
AL		 868 status = AE_ERROR;
869 goto out;
745a5d21
CC		 870 }
871
872 if (ret.eax & 0x1)
873 interface->capability |= ACER_CAP_BLUETOOTH;
874
745a5d21
CC		 875 /*
876 * This appears to be safe to enable, since all Wistron based laptops
877 * appear to use the same EC register for brightness, even if they
878 * differ for wireless, etc
879 */
9991d9f2
CC		 880 if (quirks->brightness >= 0)
881 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 882
7677fbdf
AL		 883 status = AE_OK;
884out:
885 kfree(out.pointer);
886 return status;
745a5d21
CC		 887}
888
889static struct wmi_interface AMW0_interface = {
890 .type = ACER_AMW0,
891};
892
893static struct wmi_interface AMW0_V2_interface = {
894 .type = ACER_AMW0_V2,
895};
896
897/*
898 * New interface (The WMID interface)
899 */
900static acpi_status
901WMI_execute_u32(u32 method_id, u32 in, u32 *out)
902{
903 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
904 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
905 union acpi_object *obj;
f20aaba9 906 u32 tmp = 0;
745a5d21
CC		 907 acpi_status status;
908
909 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
910
911 if (ACPI_FAILURE(status))
912 return status;
913
914 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 915 if (obj) {
916 if (obj->type == ACPI_TYPE_BUFFER &&
917 (obj->buffer.length == sizeof(u32) ||
918 obj->buffer.length == sizeof(u64))) {
919 tmp = *((u32 *) obj->buffer.pointer);
920 } else if (obj->type == ACPI_TYPE_INTEGER) {
921 tmp = (u32) obj->integer.value;
922 }
745a5d21
CC		 923 }
924
925 if (out)
926 *out = tmp;
927
928 kfree(result.pointer);
929
930 return status;
931}
932
38db157d 933static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 934{
935 acpi_status status;
936 u8 tmp;
937 u32 result, method_id = 0;
938
939 switch (cap) {
940 case ACER_CAP_WIRELESS:
941 method_id = ACER_WMID_GET_WIRELESS_METHODID;
942 break;
943 case ACER_CAP_BLUETOOTH:
944 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
945 break;
946 case ACER_CAP_BRIGHTNESS:
947 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
948 break;
949 case ACER_CAP_THREEG:
950 method_id = ACER_WMID_GET_THREEG_METHODID;
951 break;
952 case ACER_CAP_MAILLED:
953 if (quirks->mailled == 1) {
954 ec_read(0x9f, &tmp);
955 *value = tmp & 0x1;
956 return 0;
957 }
958 default:
08237974 959 return AE_ERROR;
745a5d21
CC		 960 }
961 status = WMI_execute_u32(method_id, 0, &result);
962
963 if (ACPI_SUCCESS(status))
964 *value = (u8)result;
965
966 return status;
967}
968
38db157d 969static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 970{
971 u32 method_id = 0;
972 char param;
973
974 switch (cap) {
975 case ACER_CAP_BRIGHTNESS:
976 if (value > max_brightness)
977 return AE_BAD_PARAMETER;
978 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
979 break;
980 case ACER_CAP_WIRELESS:
981 if (value > 1)
982 return AE_BAD_PARAMETER;
983 method_id = ACER_WMID_SET_WIRELESS_METHODID;
984 break;
985 case ACER_CAP_BLUETOOTH:
986 if (value > 1)
987 return AE_BAD_PARAMETER;
988 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
989 break;
990 case ACER_CAP_THREEG:
991 if (value > 1)
992 return AE_BAD_PARAMETER;
993 method_id = ACER_WMID_SET_THREEG_METHODID;
994 break;
995 case ACER_CAP_MAILLED:
996 if (value > 1)
997 return AE_BAD_PARAMETER;
998 if (quirks->mailled == 1) {
999 param = value ? 0x92 : 0x93;
181d683d 1000 i8042_lock_chip();
745a5d21 1001 i8042_command(&param, 0x1059);
181d683d 1002 i8042_unlock_chip();
745a5d21
CC		 1003 return 0;
1004 }
1005 break;
1006 default:
08237974 1007 return AE_ERROR;
745a5d21
CC		 1008 }
1009 return WMI_execute_u32(method_id, (u32)value, NULL);
1010}
1011
72e71de1
LCY		 1012static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1013{
1014 struct wmid3_gds_return_value return_value;
1015 acpi_status status;
1016 union acpi_object *obj;
996d23ba 1017 struct wmid3_gds_get_input_param params = {
72e71de1 1018 .function_num = 0x1,
34b6cfab 1019 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1020 .devices = device,
1021 };
1022 struct acpi_buffer input = {
996d23ba 1023 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1024 &params
1025 };
1026 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1027
1028 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1029 if (ACPI_FAILURE(status))
1030 return status;
1031
1032 obj = output.pointer;
1033
1034 if (!obj)
1035 return AE_ERROR;
1036 else if (obj->type != ACPI_TYPE_BUFFER) {
1037 kfree(obj);
1038 return AE_ERROR;
1039 }
1040 if (obj->buffer.length != 8) {
1041 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1042 kfree(obj);
1043 return AE_ERROR;
1044 }
1045
1046 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1047 kfree(obj);
1048
1049 if (return_value.error_code || return_value.ec_return_value)
1050 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1051 device,
1052 return_value.error_code,
1053 return_value.ec_return_value);
1054 else
1055 *value = !!(return_value.devices & device);
1056
1057 return status;
1058}
1059
1060static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1061{
1062 u16 device;
1063
1064 switch (cap) {
1065 case ACER_CAP_WIRELESS:
1066 device = ACER_WMID3_GDS_WIRELESS;
1067 break;
1068 case ACER_CAP_BLUETOOTH:
1069 device = ACER_WMID3_GDS_BLUETOOTH;
1070 break;
1071 case ACER_CAP_THREEG:
1072 device = ACER_WMID3_GDS_THREEG;
1073 break;
1074 default:
1075 return AE_ERROR;
1076 }
1077 return wmid3_get_device_status(value, device);
1078}
1079
1080static acpi_status wmid3_set_device_status(u32 value, u16 device)
1081{
1082 struct wmid3_gds_return_value return_value;
1083 acpi_status status;
1084 union acpi_object *obj;
1085 u16 devices;
996d23ba 1086 struct wmid3_gds_get_input_param get_params = {
72e71de1 1087 .function_num = 0x1,
34b6cfab 1088 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1089 .devices = commun_func_bitmap,
72e71de1 1090 };
996d23ba
LCY		 1091 struct acpi_buffer get_input = {
1092 sizeof(struct wmid3_gds_get_input_param),
1093 &get_params
1094 };
1095 struct wmid3_gds_set_input_param set_params = {
1096 .function_num = 0x2,
1097 .hotkey_number = commun_fn_key_number,
1098 .devices = commun_func_bitmap,
1099 };
1100 struct acpi_buffer set_input = {
1101 sizeof(struct wmid3_gds_set_input_param),
1102 &set_params
72e71de1
LCY		 1103 };
1104 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1105 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1106
996d23ba 1107 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1108 if (ACPI_FAILURE(status))
1109 return status;
1110
1111 obj = output.pointer;
1112
1113 if (!obj)
1114 return AE_ERROR;
1115 else if (obj->type != ACPI_TYPE_BUFFER) {
1116 kfree(obj);
1117 return AE_ERROR;
1118 }
1119 if (obj->buffer.length != 8) {
6e71f38b 1120 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1121 kfree(obj);
1122 return AE_ERROR;
1123 }
1124
1125 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1126 kfree(obj);
1127
1128 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1129 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1130 return_value.error_code,
72e71de1
LCY		 1131 return_value.ec_return_value);
1132 return status;
1133 }
1134
1135 devices = return_value.devices;
996d23ba 1136 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1137
996d23ba 1138 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1139 if (ACPI_FAILURE(status))
1140 return status;
1141
1142 obj = output2.pointer;
1143
1144 if (!obj)
1145 return AE_ERROR;
1146 else if (obj->type != ACPI_TYPE_BUFFER) {
1147 kfree(obj);
1148 return AE_ERROR;
1149 }
1150 if (obj->buffer.length != 4) {
6e71f38b 1151 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1152 kfree(obj);
1153 return AE_ERROR;
1154 }
1155
1156 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1157 kfree(obj);
1158
1159 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1160 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1161 return_value.error_code,
72e71de1
LCY		 1162 return_value.ec_return_value);
1163
1164 return status;
1165}
1166
1167static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1168{
1169 u16 device;
1170
1171 switch (cap) {
1172 case ACER_CAP_WIRELESS:
1173 device = ACER_WMID3_GDS_WIRELESS;
1174 break;
1175 case ACER_CAP_BLUETOOTH:
1176 device = ACER_WMID3_GDS_BLUETOOTH;
1177 break;
1178 case ACER_CAP_THREEG:
1179 device = ACER_WMID3_GDS_THREEG;
1180 break;
1181 default:
1182 return AE_ERROR;
1183 }
1184 return wmid3_set_device_status(value, device);
1185}
1186
6c3df88f
LCY		 1187static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
1188{
1189 struct hotkey_function_type_aa *type_aa;
1190
1191 /* We are looking for OEM-specific Type AAh */
1192 if (header->type != 0xAA)
1193 return;
1194
1195 has_type_aa = true;
1196 type_aa = (struct hotkey_function_type_aa *) header;
1197
cae15702 1198 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1199 type_aa->commun_func_bitmap);
1d1fc8a7 1200 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1201
1202 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1203 interface->capability |= ACER_CAP_WIRELESS;
1204 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1205 interface->capability |= ACER_CAP_THREEG;
1206 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1207 interface->capability |= ACER_CAP_BLUETOOTH;
34b6cfab
LCY		 1208
1209 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1210}
1211
745a5d21
CC		 1212static acpi_status WMID_set_capabilities(void)
1213{
1214 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1215 union acpi_object *obj;
1216 acpi_status status;
1217 u32 devices;
1218
1219 status = wmi_query_block(WMID_GUID2, 1, &out);
1220 if (ACPI_FAILURE(status))
1221 return status;
1222
1223 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1224 if (obj) {
1225 if (obj->type == ACPI_TYPE_BUFFER &&
1226 (obj->buffer.length == sizeof(u32) ||
1227 obj->buffer.length == sizeof(u64))) {
1228 devices = *((u32 *) obj->buffer.pointer);
1229 } else if (obj->type == ACPI_TYPE_INTEGER) {
1230 devices = (u32) obj->integer.value;
f24c96ea
LCY		 1231 } else {
1232 kfree(out.pointer);
1233 return AE_ERROR;
f20aaba9 1234 }
745a5d21 1235 } else {
66904863 1236 kfree(out.pointer);
745a5d21
CC		 1237 return AE_ERROR;
1238 }
1239
1fbc01a7
LCY		 1240 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1241 if (devices & 0x07)
1242 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1243 if (devices & 0x40)
1244 interface->capability |= ACER_CAP_THREEG;
1245 if (devices & 0x10)
1246 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1247
745a5d21
CC		 1248 if (!(devices & 0x20))
1249 max_brightness = 0x9;
1250
66904863 1251 kfree(out.pointer);
745a5d21
CC		 1252 return status;
1253}
1254
1255static struct wmi_interface wmid_interface = {
1256 .type = ACER_WMID,
1257};
1258
72e71de1
LCY		 1259static struct wmi_interface wmid_v2_interface = {
1260 .type = ACER_WMID_v2,
1261};
1262
745a5d21
CC		 1263/*
1264 * Generic Device (interface-independent)
1265 */
1266
1267static acpi_status get_u32(u32 *value, u32 cap)
1268{
08237974 1269 acpi_status status = AE_ERROR;
745a5d21
CC		 1270
1271 switch (interface->type) {
1272 case ACER_AMW0:
38db157d 1273 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1274 break;
1275 case ACER_AMW0_V2:
1276 if (cap == ACER_CAP_MAILLED) {
38db157d 1277 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1278 break;
1279 }
1280 case ACER_WMID:
38db157d 1281 status = WMID_get_u32(value, cap);
745a5d21 1282 break;
72e71de1
LCY		 1283 case ACER_WMID_v2:
1284 if (cap & (ACER_CAP_WIRELESS |
1285 ACER_CAP_BLUETOOTH |
1286 ACER_CAP_THREEG))
1287 status = wmid_v2_get_u32(value, cap);
1288 else if (wmi_has_guid(WMID_GUID2))
38db157d 1289 status = WMID_get_u32(value, cap);
72e71de1 1290 break;
745a5d21
CC		 1291 }
1292
1293 return status;
1294}
1295
1296static acpi_status set_u32(u32 value, u32 cap)
1297{
5c742b45
CC		 1298 acpi_status status;
1299
745a5d21
CC		 1300 if (interface->capability & cap) {
1301 switch (interface->type) {
1302 case ACER_AMW0:
38db157d 1303 return AMW0_set_u32(value, cap);
745a5d21 1304 case ACER_AMW0_V2:
5c742b45 1305 if (cap == ACER_CAP_MAILLED)
38db157d 1306 return AMW0_set_u32(value, cap);
5c742b45
CC		 1307
1308 /*
1309 * On some models, some WMID methods don't toggle
1310 * properly. For those cases, we want to run the AMW0
1311 * method afterwards to be certain we've really toggled
1312 * the device state.
1313 */
1314 if (cap == ACER_CAP_WIRELESS ||
1315 cap == ACER_CAP_BLUETOOTH) {
38db157d 1316 status = WMID_set_u32(value, cap);
5c742b45
CC		 1317 if (ACPI_FAILURE(status))
1318 return status;
1319
38db157d 1320 return AMW0_set_u32(value, cap);
5c742b45 1321 }
745a5d21 1322 case ACER_WMID:
38db157d 1323 return WMID_set_u32(value, cap);
72e71de1
LCY		 1324 case ACER_WMID_v2:
1325 if (cap & (ACER_CAP_WIRELESS |
1326 ACER_CAP_BLUETOOTH |
1327 ACER_CAP_THREEG))
1328 return wmid_v2_set_u32(value, cap);
1329 else if (wmi_has_guid(WMID_GUID2))
38db157d 1330 return WMID_set_u32(value, cap);
745a5d21
CC		 1331 default:
1332 return AE_BAD_PARAMETER;
1333 }
1334 }
1335 return AE_BAD_PARAMETER;
1336}
1337
1338static void __init acer_commandline_init(void)
1339{
1340 /*
1341 * These will all fail silently if the value given is invalid, or the
1342 * capability isn't available on the given interface
1343 */
c2647b5e
LCY		 1344 if (mailled >= 0)
1345 set_u32(mailled, ACER_CAP_MAILLED);
1346 if (!has_type_aa && threeg >= 0)
6c3df88f 1347 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1348 if (brightness >= 0)
1349 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1350}
1351
1352/*
1353 * LED device (Mail LED only, no other LEDs known yet)
1354 */
1355static void mail_led_set(struct led_classdev *led_cdev,
1356enum led_brightness value)
1357{
1358 set_u32(value, ACER_CAP_MAILLED);
1359}
1360
1361static struct led_classdev mail_led = {
343c0042 1362 .name = "acer-wmi::mail",
745a5d21
CC		 1363 .brightness_set = mail_led_set,
1364};
1365
b859f159 1366static int acer_led_init(struct device *dev)
745a5d21
CC		 1367{
1368 return led_classdev_register(dev, &mail_led);
1369}
1370
1371static void acer_led_exit(void)
1372{
9a0b74fd 1373 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1374 led_classdev_unregister(&mail_led);
1375}
1376
1377/*
1378 * Backlight device
1379 */
1380static struct backlight_device *acer_backlight_device;
1381
1382static int read_brightness(struct backlight_device *bd)
1383{
1384 u32 value;
1385 get_u32(&value, ACER_CAP_BRIGHTNESS);
1386 return value;
1387}
1388
1389static int update_bl_status(struct backlight_device *bd)
1390{
f2b585b4
CC		 1391 int intensity = bd->props.brightness;
1392
1393 if (bd->props.power != FB_BLANK_UNBLANK)
1394 intensity = 0;
1395 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1396 intensity = 0;
1397
1398 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1399
745a5d21
CC		 1400 return 0;
1401}
1402
acc2472e 1403static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1404 .get_brightness = read_brightness,
1405 .update_status = update_bl_status,
1406};
1407
b859f159 1408static int acer_backlight_init(struct device *dev)
745a5d21 1409{
a19a6ee6 1410 struct backlight_properties props;
745a5d21
CC		 1411 struct backlight_device *bd;
1412
a19a6ee6 1413 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1414 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1415 props.max_brightness = max_brightness;
1416 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1417 &props);
745a5d21 1418 if (IS_ERR(bd)) {
cae15702 1419 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1420 acer_backlight_device = NULL;
1421 return PTR_ERR(bd);
1422 }
1423
1424 acer_backlight_device = bd;
1425
f2b585b4 1426 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1427 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1428 backlight_update_status(bd);
1429 return 0;
1430}
1431
7560e385 1432static void acer_backlight_exit(void)
745a5d21
CC		 1433{
1434 backlight_device_unregister(acer_backlight_device);
1435}
1436
1eb3fe1d
MV		 1437/*
1438 * Accelerometer device
1439 */
1440static acpi_handle gsensor_handle;
1441
1442static int acer_gsensor_init(void)
1443{
1444 acpi_status status;
1445 struct acpi_buffer output;
1446 union acpi_object out_obj;
1447
1448 output.length = sizeof(out_obj);
1449 output.pointer = &out_obj;
1450 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1451 if (ACPI_FAILURE(status))
1452 return -1;
1453
1454 return 0;
1455}
1456
1457static int acer_gsensor_open(struct input_dev *input)
1458{
1459 return acer_gsensor_init();
1460}
1461
1462static int acer_gsensor_event(void)
1463{
1464 acpi_status status;
1465 struct acpi_buffer output;
1466 union acpi_object out_obj[5];
1467
1468 if (!has_cap(ACER_CAP_ACCEL))
1469 return -1;
1470
1471 output.length = sizeof(out_obj);
1472 output.pointer = out_obj;
1473
1474 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1475 if (ACPI_FAILURE(status))
1476 return -1;
1477
1478 if (out_obj->package.count != 4)
1479 return -1;
1480
1481 input_report_abs(acer_wmi_accel_dev, ABS_X,
1482 (s16)out_obj->package.elements[0].integer.value);
1483 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1484 (s16)out_obj->package.elements[1].integer.value);
1485 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1486 (s16)out_obj->package.elements[2].integer.value);
1487 input_sync(acer_wmi_accel_dev);
1488 return 0;
1489}
1490
0606e1ab
CC		 1491/*
1492 * Rfkill devices
1493 */
0606e1ab
CC		 1494static void acer_rfkill_update(struct work_struct *ignored);
1495static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1496static void acer_rfkill_update(struct work_struct *ignored)
1497{
1498 u32 state;
1499 acpi_status status;
1500
1709adab
LCY		 1501 if (has_cap(ACER_CAP_WIRELESS)) {
1502 status = get_u32(&state, ACER_CAP_WIRELESS);
1503 if (ACPI_SUCCESS(status)) {
1504 if (quirks->wireless == 3)
1505 rfkill_set_hw_state(wireless_rfkill, !state);
1506 else
1507 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1508 }
1509 }
0606e1ab
CC		 1510
1511 if (has_cap(ACER_CAP_BLUETOOTH)) {
1512 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1513 if (ACPI_SUCCESS(status))
a878417c 1514 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1515 }
1516
b3c9092b 1517 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1518 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1519 if (ACPI_SUCCESS(status))
1520 rfkill_set_sw_state(threeg_rfkill, !state);
1521 }
1522
ae3a1b46 1523 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1524}
1525
19d337df 1526static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1527{
1528 acpi_status status;
19d337df 1529 u32 cap = (unsigned long)data;
8215af01
LCY		 1530
1531 if (rfkill_inited) {
72e71de1 1532 status = set_u32(!blocked, cap);
8215af01
LCY		 1533 if (ACPI_FAILURE(status))
1534 return -ENODEV;
1535 }
1536
0606e1ab
CC		 1537 return 0;
1538}
1539
19d337df
JB		 1540static const struct rfkill_ops acer_rfkill_ops = {
1541 .set_block = acer_rfkill_set,
1542};
1543
1544static struct rfkill *acer_rfkill_register(struct device *dev,
1545 enum rfkill_type type,
1546 char *name, u32 cap)
0606e1ab
CC		 1547{
1548 int err;
0606e1ab 1549 struct rfkill *rfkill_dev;
466449cf
LCY		 1550 u32 state;
1551 acpi_status status;
0606e1ab 1552
19d337df
JB		 1553 rfkill_dev = rfkill_alloc(name, dev, type,
1554 &acer_rfkill_ops,
1555 (void *)(unsigned long)cap);
0606e1ab
CC		 1556 if (!rfkill_dev)
1557 return ERR_PTR(-ENOMEM);
0606e1ab 1558
72e71de1 1559 status = get_u32(&state, cap);
466449cf 1560
0606e1ab
CC		 1561 err = rfkill_register(rfkill_dev);
1562 if (err) {
19d337df 1563 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1564 return ERR_PTR(err);
1565 }
8215af01
LCY		 1566
1567 if (ACPI_SUCCESS(status))
1568 rfkill_set_sw_state(rfkill_dev, !state);
1569
0606e1ab
CC		 1570 return rfkill_dev;
1571}
1572
1573static int acer_rfkill_init(struct device *dev)
1574{
1709adab
LCY		 1575 int err;
1576
1577 if (has_cap(ACER_CAP_WIRELESS)) {
1578 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1579 "acer-wireless", ACER_CAP_WIRELESS);
1580 if (IS_ERR(wireless_rfkill)) {
1581 err = PTR_ERR(wireless_rfkill);
1582 goto error_wireless;
1583 }
1584 }
0606e1ab
CC		 1585
1586 if (has_cap(ACER_CAP_BLUETOOTH)) {
1587 bluetooth_rfkill = acer_rfkill_register(dev,
1588 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1589 ACER_CAP_BLUETOOTH);
1590 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1591 err = PTR_ERR(bluetooth_rfkill);
1592 goto error_bluetooth;
0606e1ab
CC		 1593 }
1594 }
1595
b3c9092b
LCY		 1596 if (has_cap(ACER_CAP_THREEG)) {
1597 threeg_rfkill = acer_rfkill_register(dev,
1598 RFKILL_TYPE_WWAN, "acer-threeg",
1599 ACER_CAP_THREEG);
1600 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1601 err = PTR_ERR(threeg_rfkill);
1602 goto error_threeg;
b3c9092b
LCY		 1603 }
1604 }
1605
8215af01
LCY		 1606 rfkill_inited = true;
1607
1709adab
LCY		 1608 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1609 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904
LCY		 1610 schedule_delayed_work(&acer_rfkill_work,
1611 round_jiffies_relative(HZ));
0606e1ab
CC		 1612
1613 return 0;
1709adab
LCY		 1614
1615error_threeg:
1616 if (has_cap(ACER_CAP_BLUETOOTH)) {
1617 rfkill_unregister(bluetooth_rfkill);
1618 rfkill_destroy(bluetooth_rfkill);
1619 }
1620error_bluetooth:
1621 if (has_cap(ACER_CAP_WIRELESS)) {
1622 rfkill_unregister(wireless_rfkill);
1623 rfkill_destroy(wireless_rfkill);
1624 }
1625error_wireless:
1626 return err;
0606e1ab
CC		 1627}
1628
1629static void acer_rfkill_exit(void)
1630{
1709adab
LCY		 1631 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1632 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1633 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1634
1709adab
LCY		 1635 if (has_cap(ACER_CAP_WIRELESS)) {
1636 rfkill_unregister(wireless_rfkill);
1637 rfkill_destroy(wireless_rfkill);
1638 }
19d337df 1639
0606e1ab 1640 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1641 rfkill_unregister(bluetooth_rfkill);
19d337df 1642 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1643 }
b3c9092b
LCY		 1644
1645 if (has_cap(ACER_CAP_THREEG)) {
1646 rfkill_unregister(threeg_rfkill);
1647 rfkill_destroy(threeg_rfkill);
1648 }
0606e1ab
CC		 1649 return;
1650}
1651
745a5d21 1652/*
7d9a06de 1653 * sysfs interface
745a5d21 1654 */
7d9a06de
CC		 1655static ssize_t show_bool_threeg(struct device *dev,
1656 struct device_attribute *attr, char *buf)
1657{
745a5d21 1658 u32 result; \
b3c9092b 1659 acpi_status status;
7b8aca65 1660
6e71f38b
JP		 1661 pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
1662 current->comm);
72e71de1 1663 status = get_u32(&result, ACER_CAP_THREEG);
7d9a06de
CC		 1664 if (ACPI_SUCCESS(status))
1665 return sprintf(buf, "%u\n", result);
1666 return sprintf(buf, "Read error\n");
1667}
1668
1669static ssize_t set_bool_threeg(struct device *dev,
1670 struct device_attribute *attr, const char *buf, size_t count)
1671{
1672 u32 tmp = simple_strtoul(buf, NULL, 10);
1673 acpi_status status = set_u32(tmp, ACER_CAP_THREEG);
6e71f38b
JP		 1674 pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
1675 current->comm);
7b8aca65
LCY		 1676 if (ACPI_FAILURE(status))
1677 return -EINVAL;
7d9a06de
CC		 1678 return count;
1679}
b80b168f 1680static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg,
7d9a06de 1681 set_bool_threeg);
745a5d21 1682
745a5d21
CC		 1683static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
1684 char *buf)
1685{
6e71f38b
JP		 1686 pr_info("This interface sysfs will be removed in 2012 - used by: %s\n",
1687 current->comm);
745a5d21
CC		 1688 switch (interface->type) {
1689 case ACER_AMW0:
1690 return sprintf(buf, "AMW0\n");
1691 case ACER_AMW0_V2:
1692 return sprintf(buf, "AMW0 v2\n");
1693 case ACER_WMID:
1694 return sprintf(buf, "WMID\n");
72e71de1
LCY		 1695 case ACER_WMID_v2:
1696 return sprintf(buf, "WMID v2\n");
745a5d21
CC		 1697 default:
1698 return sprintf(buf, "Error!\n");
1699 }
1700}
1701
370525df 1702static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL);
745a5d21 1703
3fdca87d
LCY		 1704static void acer_wmi_notify(u32 value, void *context)
1705{
1706 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1707 union acpi_object *obj;
1708 struct event_return_value return_value;
1709 acpi_status status;
92530664
SF		 1710 u16 device_state;
1711 const struct key_entry *key;
8e2286ce 1712 u32 scancode;
3fdca87d
LCY		 1713
1714 status = wmi_get_event_data(value, &response);
1715 if (status != AE_OK) {
249c720d 1716 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1717 return;
1718 }
1719
1720 obj = (union acpi_object *)response.pointer;
1721
1722 if (!obj)
1723 return;
1724 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1725 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1726 kfree(obj);
1727 return;
1728 }
1729 if (obj->buffer.length != 8) {
249c720d 1730 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1731 kfree(obj);
1732 return;
1733 }
1734
1735 return_value = *((struct event_return_value *)obj->buffer.pointer);
1736 kfree(obj);
1737
1738 switch (return_value.function) {
1739 case WMID_HOTKEY_EVENT:
92530664
SF		 1740 device_state = return_value.device_state;
1741 pr_debug("device state: 0x%x\n", device_state);
1742
1743 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1744 return_value.key_num);
1745 if (!key) {
249c720d 1746 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1747 return_value.key_num);
92530664 1748 } else {
8e2286ce 1749 scancode = return_value.key_num;
92530664
SF		 1750 switch (key->keycode) {
1751 case KEY_WLAN:
1752 case KEY_BLUETOOTH:
1753 if (has_cap(ACER_CAP_WIRELESS))
1754 rfkill_set_sw_state(wireless_rfkill,
1755 !(device_state & ACER_WMID3_GDS_WIRELESS));
1756 if (has_cap(ACER_CAP_THREEG))
1757 rfkill_set_sw_state(threeg_rfkill,
1758 !(device_state & ACER_WMID3_GDS_THREEG));
1759 if (has_cap(ACER_CAP_BLUETOOTH))
1760 rfkill_set_sw_state(bluetooth_rfkill,
1761 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1762 break;
8e2286ce
LCY		 1763 case KEY_TOUCHPAD_TOGGLE:
1764 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1765 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1766 }
8e2286ce 1767 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1768 }
3fdca87d 1769 break;
1eb3fe1d
MV		 1770 case WMID_ACCEL_EVENT:
1771 acer_gsensor_event();
1772 break;
3fdca87d 1773 default:
249c720d 1774 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1775 return_value.function, return_value.key_num);
1776 break;
1777 }
1778}
1779
59ccf2f3
FLCY		 1780static acpi_status
1781wmid3_set_lm_mode(struct lm_input_params *params,
1782 struct lm_return_value *return_value)
1783{
1784 acpi_status status;
1785 union acpi_object *obj;
1786
1787 struct acpi_buffer input = { sizeof(struct lm_input_params), params };
1788 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1789
1790 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1791 if (ACPI_FAILURE(status))
1792 return status;
1793
1794 obj = output.pointer;
1795
1796 if (!obj)
1797 return AE_ERROR;
1798 else if (obj->type != ACPI_TYPE_BUFFER) {
1799 kfree(obj);
1800 return AE_ERROR;
1801 }
1802 if (obj->buffer.length != 4) {
249c720d 1803 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1804 kfree(obj);
1805 return AE_ERROR;
1806 }
1807
1808 *return_value = *((struct lm_return_value *)obj->buffer.pointer);
1809 kfree(obj);
1810
1811 return status;
1812}
1813
1814static int acer_wmi_enable_ec_raw(void)
1815{
1816 struct lm_return_value return_value;
1817 acpi_status status;
1818 struct lm_input_params params = {
1819 .function_num = 0x1,
1820 .commun_devices = 0xFFFF,
1821 .devices = 0xFFFF,
1822 .lm_status = 0x00, /* Launch Manager Deactive */
1823 };
1824
1825 status = wmid3_set_lm_mode(&params, &return_value);
1826
1827 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1828 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1829 return_value.error_code,
1830 return_value.ec_return_value);
59ccf2f3 1831 else
249c720d 1832 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1833
1834 return status;
1835}
1836
1837static int acer_wmi_enable_lm(void)
1838{
1839 struct lm_return_value return_value;
1840 acpi_status status;
1841 struct lm_input_params params = {
1842 .function_num = 0x1,
1843 .commun_devices = 0xFFFF,
1844 .devices = 0xFFFF,
1845 .lm_status = 0x01, /* Launch Manager Active */
1846 };
1847
1848 status = wmid3_set_lm_mode(&params, &return_value);
1849
1850 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1851 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1852 return_value.error_code,
1853 return_value.ec_return_value);
59ccf2f3
FLCY		 1854
1855 return status;
1856}
1857
1eb3fe1d
MV		 1858static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1859 void *ctx, void **retval)
1860{
1861 *(acpi_handle *)retval = ah;
1862 return AE_OK;
1863}
1864
1865static int __init acer_wmi_get_handle(const char *name, const char *prop,
1866 acpi_handle *ah)
1867{
1868 acpi_status status;
1869 acpi_handle handle;
1870
1871 BUG_ON(!name || !ah);
1872
24237c43 1873 handle = NULL;
1eb3fe1d
MV		 1874 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1875 (void *)name, &handle);
1876
1877 if (ACPI_SUCCESS(status)) {
1878 *ah = handle;
1879 return 0;
1880 } else {
1881 return -ENODEV;
1882 }
1883}
1884
1885static int __init acer_wmi_accel_setup(void)
1886{
1887 int err;
1888
1889 err = acer_wmi_get_handle("SENR", "BST0001", &gsensor_handle);
1890 if (err)
1891 return err;
1892
1893 interface->capability |= ACER_CAP_ACCEL;
1894
1895 acer_wmi_accel_dev = input_allocate_device();
1896 if (!acer_wmi_accel_dev)
1897 return -ENOMEM;
1898
1899 acer_wmi_accel_dev->open = acer_gsensor_open;
1900
1901 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1902 acer_wmi_accel_dev->phys = "wmi/input1";
1903 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1904 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1905 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1906 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1907 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1908
1909 err = input_register_device(acer_wmi_accel_dev);
1910 if (err)
1911 goto err_free_dev;
1912
1913 return 0;
1914
1915err_free_dev:
1916 input_free_device(acer_wmi_accel_dev);
1917 return err;
1918}
1919
1920static void acer_wmi_accel_destroy(void)
1921{
1922 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1923}
1924
3fdca87d
LCY		 1925static int __init acer_wmi_input_setup(void)
1926{
1927 acpi_status status;
1928 int err;
1929
1930 acer_wmi_input_dev = input_allocate_device();
1931 if (!acer_wmi_input_dev)
1932 return -ENOMEM;
1933
1934 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1935 acer_wmi_input_dev->phys = "wmi/input0";
1936 acer_wmi_input_dev->id.bustype = BUS_HOST;
1937
1938 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1939 if (err)
1940 goto err_free_dev;
1941
1942 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1943 acer_wmi_notify, NULL);
1944 if (ACPI_FAILURE(status)) {
1945 err = -EIO;
1946 goto err_free_keymap;
1947 }
1948
1949 err = input_register_device(acer_wmi_input_dev);
1950 if (err)
1951 goto err_uninstall_notifier;
1952
1953 return 0;
1954
1955err_uninstall_notifier:
1956 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1957err_free_keymap:
1958 sparse_keymap_free(acer_wmi_input_dev);
1959err_free_dev:
1960 input_free_device(acer_wmi_input_dev);
1961 return err;
1962}
1963
1964static void acer_wmi_input_destroy(void)
1965{
1966 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1967 sparse_keymap_free(acer_wmi_input_dev);
1968 input_unregister_device(acer_wmi_input_dev);
1969}
1970
81143522
CC		 1971/*
1972 * debugfs functions
1973 */
1974static u32 get_wmid_devices(void)
1975{
1976 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1977 union acpi_object *obj;
1978 acpi_status status;
66904863 1979 u32 devices = 0;
81143522
CC		 1980
1981 status = wmi_query_block(WMID_GUID2, 1, &out);
1982 if (ACPI_FAILURE(status))
1983 return 0;
1984
1985 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1986 if (obj) {
1987 if (obj->type == ACPI_TYPE_BUFFER &&
1988 (obj->buffer.length == sizeof(u32) ||
1989 obj->buffer.length == sizeof(u64))) {
1990 devices = *((u32 *) obj->buffer.pointer);
1991 } else if (obj->type == ACPI_TYPE_INTEGER) {
1992 devices = (u32) obj->integer.value;
1993 }
81143522 1994 }
66904863
AL		 1995
1996 kfree(out.pointer);
1997 return devices;
81143522
CC		 1998}
1999
745a5d21
CC		 2000/*
2001 * Platform device
2002 */
b859f159 2003static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 2004{
2005 int err;
2006
2007 if (has_cap(ACER_CAP_MAILLED)) {
2008 err = acer_led_init(&device->dev);
2009 if (err)
2010 goto error_mailled;
2011 }
2012
2013 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2014 err = acer_backlight_init(&device->dev);
2015 if (err)
2016 goto error_brightness;
2017 }
2018
0606e1ab 2019 err = acer_rfkill_init(&device->dev);
350e3290
AW		 2020 if (err)
2021 goto error_rfkill;
0606e1ab
CC		 2022
2023 return err;
745a5d21 2024
350e3290
AW		 2025error_rfkill:
2026 if (has_cap(ACER_CAP_BRIGHTNESS))
2027 acer_backlight_exit();
745a5d21 2028error_brightness:
350e3290
AW		 2029 if (has_cap(ACER_CAP_MAILLED))
2030 acer_led_exit();
745a5d21
CC		 2031error_mailled:
2032 return err;
2033}
2034
2035static int acer_platform_remove(struct platform_device *device)
2036{
2037 if (has_cap(ACER_CAP_MAILLED))
2038 acer_led_exit();
2039 if (has_cap(ACER_CAP_BRIGHTNESS))
2040 acer_backlight_exit();
0606e1ab
CC		 2041
2042 acer_rfkill_exit();
745a5d21
CC		 2043 return 0;
2044}
2045
80f65558 2046#ifdef CONFIG_PM_SLEEP
3c33be0b 2047static int acer_suspend(struct device *dev)
745a5d21
CC		 2048{
2049 u32 value;
2050 struct acer_data *data = &interface->data;
2051
2052 if (!data)
2053 return -ENOMEM;
2054
745a5d21
CC		 2055 if (has_cap(ACER_CAP_MAILLED)) {
2056 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2057 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2058 data->mailled = value;
2059 }
2060
2061 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2062 get_u32(&value, ACER_CAP_BRIGHTNESS);
2063 data->brightness = value;
2064 }
2065
2066 return 0;
2067}
2068
3c33be0b 2069static int acer_resume(struct device *dev)
745a5d21
CC		 2070{
2071 struct acer_data *data = &interface->data;
2072
2073 if (!data)
2074 return -ENOMEM;
2075
745a5d21
CC		 2076 if (has_cap(ACER_CAP_MAILLED))
2077 set_u32(data->mailled, ACER_CAP_MAILLED);
2078
2079 if (has_cap(ACER_CAP_BRIGHTNESS))
2080 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2081
1eb3fe1d
MV		 2082 if (has_cap(ACER_CAP_ACCEL))
2083 acer_gsensor_init();
2084
745a5d21
CC		 2085 return 0;
2086}
80f65558
MK		 2087#else
2088#define acer_suspend NULL
2089#define acer_resume NULL
2090#endif
745a5d21 2091
3c33be0b
RW		 2092static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2093
9a0b74fd
PR		 2094static void acer_platform_shutdown(struct platform_device *device)
2095{
2096 struct acer_data *data = &interface->data;
2097
2098 if (!data)
2099 return;
2100
2101 if (has_cap(ACER_CAP_MAILLED))
2102 set_u32(LED_OFF, ACER_CAP_MAILLED);
2103}
2104
745a5d21
CC		 2105static struct platform_driver acer_platform_driver = {
2106 .driver = {
2107 .name = "acer-wmi",
2108 .owner = THIS_MODULE,
3c33be0b 2109 .pm = &acer_pm,
745a5d21
CC		 2110 },
2111 .probe = acer_platform_probe,
2112 .remove = acer_platform_remove,
9a0b74fd 2113 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2114};
2115
2116static struct platform_device *acer_platform_device;
2117
2118static int remove_sysfs(struct platform_device *device)
2119{
745a5d21
CC		 2120 if (has_cap(ACER_CAP_THREEG))
2121 device_remove_file(&device->dev, &dev_attr_threeg);
2122
2123 device_remove_file(&device->dev, &dev_attr_interface);
2124
2125 return 0;
2126}
2127
2128static int create_sysfs(void)
2129{
2130 int retval = -ENOMEM;
2131
745a5d21
CC		 2132 if (has_cap(ACER_CAP_THREEG)) {
2133 retval = device_create_file(&acer_platform_device->dev,
2134 &dev_attr_threeg);
2135 if (retval)
2136 goto error_sysfs;
2137 }
2138
2139 retval = device_create_file(&acer_platform_device->dev,
2140 &dev_attr_interface);
2141 if (retval)
2142 goto error_sysfs;
2143
2144 return 0;
2145
2146error_sysfs:
2147 remove_sysfs(acer_platform_device);
2148 return retval;
2149}
2150
81143522
CC		 2151static void remove_debugfs(void)
2152{
2153 debugfs_remove(interface->debug.devices);
2154 debugfs_remove(interface->debug.root);
2155}
2156
2157static int create_debugfs(void)
2158{
2159 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2160 if (!interface->debug.root) {
cae15702 2161 pr_err("Failed to create debugfs directory");
81143522
CC		 2162 return -ENOMEM;
2163 }
2164
2165 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2166 interface->debug.root,
2167 &interface->debug.wmid_devices);
2168 if (!interface->debug.devices)
2169 goto error_debugfs;
2170
2171 return 0;
2172
2173error_debugfs:
39dbbb45 2174 remove_debugfs();
81143522
CC		 2175 return -ENOMEM;
2176}
2177
745a5d21
CC		 2178static int __init acer_wmi_init(void)
2179{
2180 int err;
2181
cae15702 2182 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2183
a74dd5fd 2184 if (dmi_check_system(acer_blacklist)) {
cae15702 2185 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2186 return -ENODEV;
2187 }
2188
9991d9f2
CC		 2189 find_quirks();
2190
745a5d21
CC		 2191 /*
2192 * Detect which ACPI-WMI interface we're using.
2193 */
2194 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2195 interface = &AMW0_V2_interface;
2196
2197 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2198 interface = &wmid_interface;
2199
72e71de1
LCY		 2200 if (wmi_has_guid(WMID_GUID3))
2201 interface = &wmid_v2_interface;
2202
2203 if (interface)
2204 dmi_walk(type_aa_dmi_decode, NULL);
2205
745a5d21 2206 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2207 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2208 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2209 return -ENODEV;
2210 }
72e71de1
LCY		 2211 /* WMID always provides brightness methods */
2212 interface->capability |= ACER_CAP_BRIGHTNESS;
2213 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2214 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2215 return -ENODEV;
2216 }
2217
2218 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2219 interface = &AMW0_interface;
2220
2221 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2222 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2223 return -ENODEV;
2224 }
2225 }
2226
9b963c40
CC		 2227 if (wmi_has_guid(AMW0_GUID1))
2228 AMW0_find_mailled();
745a5d21 2229
745a5d21 2230 if (!interface) {
cae15702 2231 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2232 return -ENODEV;
2233 }
2234
83097aca
AV		 2235 set_quirks();
2236
a60b2176
CC		 2237 if (dmi_check_system(video_vendor_dmi_table))
2238 acpi_video_dmi_promote_vendor();
72e71de1 2239 if (acpi_video_backlight_support()) {
a60b2176
CC		 2240 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2241 pr_info("Brightness must be controlled by acpi video driver\n");
2242 } else {
a60b2176 2243 pr_info("Disabling ACPI video driver\n");
d1337415 2244 acpi_video_unregister_backlight();
febf2d95
TR		 2245 }
2246
59ccf2f3
FLCY		 2247 if (wmi_has_guid(WMID_GUID3)) {
2248 if (ec_raw_mode) {
2249 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2250 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2251 return -ENODEV;
2252 }
2253 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2254 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2255 return -ENODEV;
2256 }
2257 } else if (ec_raw_mode) {
cae15702 2258 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2259 }
2260
3fdca87d
LCY		 2261 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2262 err = acer_wmi_input_setup();
2263 if (err)
2264 return err;
2265 }
2266
1eb3fe1d
MV		 2267 acer_wmi_accel_setup();
2268
1c79632b
AL		 2269 err = platform_driver_register(&acer_platform_driver);
2270 if (err) {
6e71f38b 2271 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2272 goto error_platform_register;
2273 }
1c79632b 2274
745a5d21 2275 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2276 if (!acer_platform_device) {
2277 err = -ENOMEM;
2278 goto error_device_alloc;
2279 }
2280
2281 err = platform_device_add(acer_platform_device);
2282 if (err)
2283 goto error_device_add;
745a5d21
CC		 2284
2285 err = create_sysfs();
2286 if (err)
1c79632b 2287 goto error_create_sys;
745a5d21 2288
81143522
CC		 2289 if (wmi_has_guid(WMID_GUID2)) {
2290 interface->debug.wmid_devices = get_wmid_devices();
2291 err = create_debugfs();
2292 if (err)
1c79632b 2293 goto error_create_debugfs;
81143522
CC		 2294 }
2295
745a5d21
CC		 2296 /* Override any initial settings with values from the commandline */
2297 acer_commandline_init();
2298
2299 return 0;
2300
1c79632b
AL		 2301error_create_debugfs:
2302 remove_sysfs(acer_platform_device);
2303error_create_sys:
2304 platform_device_del(acer_platform_device);
2305error_device_add:
2306 platform_device_put(acer_platform_device);
2307error_device_alloc:
2308 platform_driver_unregister(&acer_platform_driver);
745a5d21 2309error_platform_register:
3fdca87d
LCY		 2310 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2311 acer_wmi_input_destroy();
1eb3fe1d
MV		 2312 if (has_cap(ACER_CAP_ACCEL))
2313 acer_wmi_accel_destroy();
3fdca87d 2314
1c79632b 2315 return err;
745a5d21
CC		 2316}
2317
2318static void __exit acer_wmi_exit(void)
2319{
3fdca87d
LCY		 2320 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2321 acer_wmi_input_destroy();
2322
1eb3fe1d
MV		 2323 if (has_cap(ACER_CAP_ACCEL))
2324 acer_wmi_accel_destroy();
2325
745a5d21 2326 remove_sysfs(acer_platform_device);
39dbbb45 2327 remove_debugfs();
97ba0af0 2328 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2329 platform_driver_unregister(&acer_platform_driver);
2330
cae15702 2331 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2332 return;
2333}
2334
2335module_init(acer_wmi_init);
2336module_exit(acer_wmi_exit);
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