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acer-wmi: support Lenovo ideapad S205 10382JG wifi switch
[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>
745a5d21
CC		 44
45#include <acpi/acpi_drivers.h>
86924de2 46#include <acpi/video.h>
745a5d21
CC		 47
48MODULE_AUTHOR("Carlos Corbacho");
49MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
50MODULE_LICENSE("GPL");
51
745a5d21
CC		 52/*
53 * Magic Number
54 * Meaning is unknown - this number is required for writing to ACPI for AMW0
55 * (it's also used in acerhk when directly accessing the BIOS)
56 */
57#define ACER_AMW0_WRITE 0x9610
58
59/*
60 * Bit masks for the AMW0 interface
61 */
62#define ACER_AMW0_WIRELESS_MASK 0x35
63#define ACER_AMW0_BLUETOOTH_MASK 0x34
64#define ACER_AMW0_MAILLED_MASK 0x31
65
66/*
67 * Method IDs for WMID interface
68 */
69#define ACER_WMID_GET_WIRELESS_METHODID 1
70#define ACER_WMID_GET_BLUETOOTH_METHODID 2
71#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
72#define ACER_WMID_SET_WIRELESS_METHODID 4
73#define ACER_WMID_SET_BLUETOOTH_METHODID 5
74#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
75#define ACER_WMID_GET_THREEG_METHODID 10
76#define ACER_WMID_SET_THREEG_METHODID 11
77
78/*
79 * Acer ACPI method GUIDs
80 */
81#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
5753dd53 82#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
bbb70607 83#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
298f19b2 84#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
b3c9092b 85#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
745a5d21 86
3fdca87d
LCY		 87/*
88 * Acer ACPI event GUIDs
89 */
90#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
91
745a5d21 92MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
08a0799d 93MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
3fdca87d
LCY		 94MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
95
96enum acer_wmi_event_ids {
97 WMID_HOTKEY_EVENT = 0x1,
1eb3fe1d 98 WMID_ACCEL_EVENT = 0x5,
3fdca87d
LCY		 99};
100
101static const struct key_entry acer_wmi_keymap[] = {
102 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
8ae68de1 103 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
1a04d8ff 104 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
3fdca87d
LCY		 105 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
106 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
107 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
108 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
109 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
67e1d34c 110 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
8ae68de1
MF		 111 {KE_IGNORE, 0x41, {KEY_MUTE} },
112 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
ca1469f5 113 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
8ae68de1 114 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
ca1469f5 115 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
8ae68de1 116 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
ca1469f5 117 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
8ae68de1 118 {KE_IGNORE, 0x45, {KEY_STOP} },
ca1469f5 119 {KE_IGNORE, 0x50, {KEY_STOP} },
8ae68de1
MF		 120 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
121 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
ca1469f5 122 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
8ae68de1
MF		 123 {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
124 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
125 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
3fdca87d 126 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
8ae68de1 127 {KE_IGNORE, 0x81, {KEY_SLEEP} },
8e2286ce
LCY		 128 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
129 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
130 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
8ae68de1 131 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
68825ce2 132 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
3fdca87d
LCY		 133 {KE_END, 0}
134};
135
136static struct input_dev *acer_wmi_input_dev;
1eb3fe1d 137static struct input_dev *acer_wmi_accel_dev;
3fdca87d
LCY		 138
139struct event_return_value {
140 u8 function;
141 u8 key_num;
142 u16 device_state;
143 u32 reserved;
144} __attribute__((packed));
745a5d21 145
b3c9092b
LCY		 146/*
147 * GUID3 Get Device Status device flags
148 */
6c3df88f 149#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
b3c9092b 150#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
6d88ff0f 151#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
6c3df88f 152#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
8e2286ce 153#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
b3c9092b 154
59ccf2f3
FLCY		 155struct lm_input_params {
156 u8 function_num; /* Function Number */
157 u16 commun_devices; /* Communication type devices default status */
158 u16 devices; /* Other type devices default status */
159 u8 lm_status; /* Launch Manager Status */
160 u16 reserved;
161} __attribute__((packed));
162
163struct lm_return_value {
164 u8 error_code; /* Error Code */
165 u8 ec_return_value; /* EC Return Value */
166 u16 reserved;
167} __attribute__((packed));
168
996d23ba
LCY		 169struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
170 u8 function_num; /* Function Number */
171 u8 hotkey_number; /* Hotkey Number */
172 u16 devices; /* Set Device */
173 u8 volume_value; /* Volume Value */
174} __attribute__((packed));
175
176struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
b3c9092b
LCY		 177 u8 function_num; /* Function Number */
178 u8 hotkey_number; /* Hotkey Number */
179 u16 devices; /* Get Device */
180} __attribute__((packed));
181
182struct wmid3_gds_return_value { /* Get Device Status return value*/
183 u8 error_code; /* Error Code */
184 u8 ec_return_value; /* EC Return Value */
185 u16 devices; /* Current Device Status */
186 u32 reserved;
187} __attribute__((packed));
188
6c3df88f
LCY		 189struct hotkey_function_type_aa {
190 u8 type;
191 u8 length;
192 u16 handle;
193 u16 commun_func_bitmap;
34b6cfab
LCY		 194 u16 application_func_bitmap;
195 u16 media_func_bitmap;
196 u16 display_func_bitmap;
197 u16 others_func_bitmap;
198 u8 commun_fn_key_number;
6c3df88f
LCY		 199} __attribute__((packed));
200
745a5d21
CC		 201/*
202 * Interface capability flags
203 */
204#define ACER_CAP_MAILLED (1<<0)
205#define ACER_CAP_WIRELESS (1<<1)
206#define ACER_CAP_BLUETOOTH (1<<2)
207#define ACER_CAP_BRIGHTNESS (1<<3)
208#define ACER_CAP_THREEG (1<<4)
1eb3fe1d 209#define ACER_CAP_ACCEL (1<<5)
745a5d21
CC		 210#define ACER_CAP_ANY (0xFFFFFFFF)
211
212/*
213 * Interface type flags
214 */
215enum interface_flags {
216 ACER_AMW0,
217 ACER_AMW0_V2,
218 ACER_WMID,
72e71de1 219 ACER_WMID_v2,
745a5d21
CC		 220};
221
222#define ACER_DEFAULT_WIRELESS 0
223#define ACER_DEFAULT_BLUETOOTH 0
224#define ACER_DEFAULT_MAILLED 0
225#define ACER_DEFAULT_THREEG 0
226
227static int max_brightness = 0xF;
228
745a5d21
CC		 229static int mailled = -1;
230static int brightness = -1;
231static int threeg = -1;
232static int force_series;
59ccf2f3 233static bool ec_raw_mode;
6c3df88f 234static bool has_type_aa;
1d1fc8a7 235static u16 commun_func_bitmap;
34b6cfab 236static u8 commun_fn_key_number;
745a5d21
CC		 237
238module_param(mailled, int, 0444);
745a5d21
CC		 239module_param(brightness, int, 0444);
240module_param(threeg, int, 0444);
241module_param(force_series, int, 0444);
59ccf2f3 242module_param(ec_raw_mode, bool, 0444);
745a5d21
CC		 243MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
244MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
245MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
246MODULE_PARM_DESC(force_series, "Force a different laptop series");
59ccf2f3 247MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
745a5d21
CC		 248
249struct acer_data {
250 int mailled;
745a5d21
CC		 251 int threeg;
252 int brightness;
253};
254
81143522
CC		 255struct acer_debug {
256 struct dentry *root;
257 struct dentry *devices;
258 u32 wmid_devices;
259};
260
0606e1ab
CC		 261static struct rfkill *wireless_rfkill;
262static struct rfkill *bluetooth_rfkill;
b3c9092b 263static struct rfkill *threeg_rfkill;
8215af01 264static bool rfkill_inited;
0606e1ab 265
745a5d21
CC		 266/* Each low-level interface must define at least some of the following */
267struct wmi_interface {
268 /* The WMI device type */
269 u32 type;
270
271 /* The capabilities this interface provides */
272 u32 capability;
273
274 /* Private data for the current interface */
275 struct acer_data data;
81143522
CC		 276
277 /* debugfs entries associated with this interface */
278 struct acer_debug debug;
745a5d21
CC		 279};
280
281/* The static interface pointer, points to the currently detected interface */
282static struct wmi_interface *interface;
283
284/*
285 * Embedded Controller quirks
286 * Some laptops require us to directly access the EC to either enable or query
287 * features that are not available through WMI.
288 */
289
290struct quirk_entry {
291 u8 wireless;
292 u8 mailled;
9991d9f2 293 s8 brightness;
745a5d21
CC		 294 u8 bluetooth;
295};
296
297static struct quirk_entry *quirks;
298
299static void set_quirks(void)
300{
83097aca
AV		 301 if (!interface)
302 return;
303
745a5d21
CC		 304 if (quirks->mailled)
305 interface->capability |= ACER_CAP_MAILLED;
306
307 if (quirks->brightness)
308 interface->capability |= ACER_CAP_BRIGHTNESS;
309}
310
311static int dmi_matched(const struct dmi_system_id *dmi)
312{
313 quirks = dmi->driver_data;
d53bf0f3 314 return 1;
745a5d21
CC		 315}
316
317static struct quirk_entry quirk_unknown = {
318};
319
9991d9f2
CC		 320static struct quirk_entry quirk_acer_aspire_1520 = {
321 .brightness = -1,
322};
323
745a5d21
CC		 324static struct quirk_entry quirk_acer_travelmate_2490 = {
325 .mailled = 1,
326};
327
328/* This AMW0 laptop has no bluetooth */
329static struct quirk_entry quirk_medion_md_98300 = {
330 .wireless = 1,
331};
332
6f061ab5
CC		 333static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
334 .wireless = 2,
335};
336
15b956a0
LCY		 337static struct quirk_entry quirk_lenovo_ideapad_s205 = {
338 .wireless = 3,
339};
340
a74dd5fd 341/* The Aspire One has a dummy ACPI-WMI interface - disable it */
b859f159 342static struct dmi_system_id acer_blacklist[] = {
a74dd5fd
CC		 343 {
344 .ident = "Acer Aspire One (SSD)",
345 .matches = {
346 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
347 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
348 },
349 },
350 {
351 .ident = "Acer Aspire One (HDD)",
352 .matches = {
353 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
354 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
355 },
356 },
357 {}
358};
359
745a5d21 360static struct dmi_system_id acer_quirks[] = {
9991d9f2
CC		 361 {
362 .callback = dmi_matched,
363 .ident = "Acer Aspire 1360",
364 .matches = {
365 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
366 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
367 },
368 .driver_data = &quirk_acer_aspire_1520,
369 },
370 {
371 .callback = dmi_matched,
372 .ident = "Acer Aspire 1520",
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
375 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
376 },
377 .driver_data = &quirk_acer_aspire_1520,
378 },
745a5d21
CC		 379 {
380 .callback = dmi_matched,
381 .ident = "Acer Aspire 3100",
382 .matches = {
383 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
384 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
385 },
386 .driver_data = &quirk_acer_travelmate_2490,
387 },
ed9cfe98
CC		 388 {
389 .callback = dmi_matched,
390 .ident = "Acer Aspire 3610",
391 .matches = {
392 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
393 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
394 },
395 .driver_data = &quirk_acer_travelmate_2490,
396 },
745a5d21
CC		 397 {
398 .callback = dmi_matched,
399 .ident = "Acer Aspire 5100",
400 .matches = {
401 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
402 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
403 },
404 .driver_data = &quirk_acer_travelmate_2490,
405 },
ed9cfe98
CC		 406 {
407 .callback = dmi_matched,
408 .ident = "Acer Aspire 5610",
409 .matches = {
410 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
411 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
412 },
413 .driver_data = &quirk_acer_travelmate_2490,
414 },
745a5d21
CC		 415 {
416 .callback = dmi_matched,
417 .ident = "Acer Aspire 5630",
418 .matches = {
419 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
420 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
421 },
422 .driver_data = &quirk_acer_travelmate_2490,
423 },
424 {
425 .callback = dmi_matched,
426 .ident = "Acer Aspire 5650",
427 .matches = {
428 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
430 },
431 .driver_data = &quirk_acer_travelmate_2490,
432 },
433 {
434 .callback = dmi_matched,
435 .ident = "Acer Aspire 5680",
436 .matches = {
437 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
438 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
439 },
440 .driver_data = &quirk_acer_travelmate_2490,
441 },
442 {
443 .callback = dmi_matched,
444 .ident = "Acer Aspire 9110",
445 .matches = {
446 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
447 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
448 },
449 .driver_data = &quirk_acer_travelmate_2490,
450 },
451 {
452 .callback = dmi_matched,
453 .ident = "Acer TravelMate 2490",
454 .matches = {
455 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
456 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
457 },
458 .driver_data = &quirk_acer_travelmate_2490,
459 },
262ee35b
CC		 460 {
461 .callback = dmi_matched,
462 .ident = "Acer TravelMate 4200",
463 .matches = {
464 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
465 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
466 },
467 .driver_data = &quirk_acer_travelmate_2490,
468 },
6f061ab5
CC		 469 {
470 .callback = dmi_matched,
471 .ident = "Fujitsu Siemens Amilo Li 1718",
472 .matches = {
473 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
474 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
475 },
476 .driver_data = &quirk_fujitsu_amilo_li_1718,
477 },
745a5d21
CC		 478 {
479 .callback = dmi_matched,
480 .ident = "Medion MD 98300",
481 .matches = {
482 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
483 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
484 },
485 .driver_data = &quirk_medion_md_98300,
486 },
15b956a0
LCY		 487 {
488 .callback = dmi_matched,
489 .ident = "Lenovo Ideapad S205",
490 .matches = {
491 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
492 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
493 },
494 .driver_data = &quirk_lenovo_ideapad_s205,
495 },
c08f2086
LCY		 496 {
497 .callback = dmi_matched,
498 .ident = "Lenovo Ideapad S205 (Brazos)",
499 .matches = {
500 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
501 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
502 },
503 .driver_data = &quirk_lenovo_ideapad_s205,
504 },
be3128b1
SF		 505 {
506 .callback = dmi_matched,
507 .ident = "Lenovo 3000 N200",
508 .matches = {
509 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
510 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
511 },
512 .driver_data = &quirk_fujitsu_amilo_li_1718,
513 },
e6c33f1f
LCY		 514 {
515 .callback = dmi_matched,
516 .ident = "Lenovo Ideapad S205-10382JG",
517 .matches = {
518 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
519 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
520 },
521 .driver_data = &quirk_lenovo_ideapad_s205,
522 },
745a5d21
CC		 523 {}
524};
525
86924de2
LCY		 526static int video_set_backlight_video_vendor(const struct dmi_system_id *d)
527{
528 interface->capability &= ~ACER_CAP_BRIGHTNESS;
529 pr_info("Brightness must be controlled by generic video driver\n");
530 return 0;
531}
532
533static const struct dmi_system_id video_vendor_dmi_table[] = {
534 {
535 .callback = video_set_backlight_video_vendor,
536 .ident = "Acer TravelMate 4750",
537 .matches = {
538 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
539 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
540 },
541 },
050eff39
LCY		 542 {
543 .callback = video_set_backlight_video_vendor,
544 .ident = "Acer Extensa 5235",
545 .matches = {
546 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
547 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
548 },
549 },
550 {
551 .callback = video_set_backlight_video_vendor,
552 .ident = "Acer TravelMate 5760",
553 .matches = {
554 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
555 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
556 },
557 },
558 {
559 .callback = video_set_backlight_video_vendor,
560 .ident = "Acer Aspire 5750",
561 .matches = {
562 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
563 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
564 },
565 },
86924de2
LCY		 566 {}
567};
568
745a5d21
CC		 569/* Find which quirks are needed for a particular vendor/ model pair */
570static void find_quirks(void)
571{
572 if (!force_series) {
573 dmi_check_system(acer_quirks);
574 } else if (force_series == 2490) {
575 quirks = &quirk_acer_travelmate_2490;
576 }
577
578 if (quirks == NULL)
579 quirks = &quirk_unknown;
580
581 set_quirks();
582}
583
584/*
585 * General interface convenience methods
586 */
587
588static bool has_cap(u32 cap)
589{
590 if ((interface->capability & cap) != 0)
591 return 1;
592
593 return 0;
594}
595
596/*
597 * AMW0 (V1) interface
598 */
599struct wmab_args {
600 u32 eax;
601 u32 ebx;
602 u32 ecx;
603 u32 edx;
604};
605
606struct wmab_ret {
607 u32 eax;
608 u32 ebx;
609 u32 ecx;
610 u32 edx;
611 u32 eex;
612};
613
614static acpi_status wmab_execute(struct wmab_args *regbuf,
615struct acpi_buffer *result)
616{
617 struct acpi_buffer input;
618 acpi_status status;
619 input.length = sizeof(struct wmab_args);
620 input.pointer = (u8 *)regbuf;
621
622 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
623
624 return status;
625}
626
38db157d 627static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 628{
629 int err;
630 u8 result;
631
632 switch (cap) {
633 case ACER_CAP_MAILLED:
634 switch (quirks->mailled) {
635 default:
636 err = ec_read(0xA, &result);
637 if (err)
638 return AE_ERROR;
639 *value = (result >> 7) & 0x1;
640 return AE_OK;
641 }
642 break;
643 case ACER_CAP_WIRELESS:
644 switch (quirks->wireless) {
645 case 1:
646 err = ec_read(0x7B, &result);
647 if (err)
648 return AE_ERROR;
649 *value = result & 0x1;
650 return AE_OK;
6f061ab5
CC		 651 case 2:
652 err = ec_read(0x71, &result);
653 if (err)
654 return AE_ERROR;
655 *value = result & 0x1;
656 return AE_OK;
15b956a0
LCY		 657 case 3:
658 err = ec_read(0x78, &result);
659 if (err)
660 return AE_ERROR;
661 *value = result & 0x1;
662 return AE_OK;
745a5d21
CC		 663 default:
664 err = ec_read(0xA, &result);
665 if (err)
666 return AE_ERROR;
667 *value = (result >> 2) & 0x1;
668 return AE_OK;
669 }
670 break;
671 case ACER_CAP_BLUETOOTH:
672 switch (quirks->bluetooth) {
673 default:
674 err = ec_read(0xA, &result);
675 if (err)
676 return AE_ERROR;
677 *value = (result >> 4) & 0x1;
678 return AE_OK;
679 }
680 break;
681 case ACER_CAP_BRIGHTNESS:
682 switch (quirks->brightness) {
683 default:
684 err = ec_read(0x83, &result);
685 if (err)
686 return AE_ERROR;
687 *value = result;
688 return AE_OK;
689 }
690 break;
691 default:
08237974 692 return AE_ERROR;
745a5d21
CC		 693 }
694 return AE_OK;
695}
696
38db157d 697static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 698{
699 struct wmab_args args;
700
701 args.eax = ACER_AMW0_WRITE;
702 args.ebx = value ? (1<<8) : 0;
703 args.ecx = args.edx = 0;
704
705 switch (cap) {
706 case ACER_CAP_MAILLED:
707 if (value > 1)
708 return AE_BAD_PARAMETER;
709 args.ebx |= ACER_AMW0_MAILLED_MASK;
710 break;
711 case ACER_CAP_WIRELESS:
712 if (value > 1)
713 return AE_BAD_PARAMETER;
714 args.ebx |= ACER_AMW0_WIRELESS_MASK;
715 break;
716 case ACER_CAP_BLUETOOTH:
717 if (value > 1)
718 return AE_BAD_PARAMETER;
719 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
720 break;
721 case ACER_CAP_BRIGHTNESS:
722 if (value > max_brightness)
723 return AE_BAD_PARAMETER;
724 switch (quirks->brightness) {
745a5d21 725 default:
4609d029
CC		 726 return ec_write(0x83, value);
727 break;
745a5d21
CC		 728 }
729 default:
08237974 730 return AE_ERROR;
745a5d21
CC		 731 }
732
733 /* Actually do the set */
734 return wmab_execute(&args, NULL);
735}
736
737static acpi_status AMW0_find_mailled(void)
738{
739 struct wmab_args args;
740 struct wmab_ret ret;
741 acpi_status status = AE_OK;
742 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
743 union acpi_object *obj;
744
745 args.eax = 0x86;
746 args.ebx = args.ecx = args.edx = 0;
747
748 status = wmab_execute(&args, &out);
749 if (ACPI_FAILURE(status))
750 return status;
751
752 obj = (union acpi_object *) out.pointer;
753 if (obj && obj->type == ACPI_TYPE_BUFFER &&
754 obj->buffer.length == sizeof(struct wmab_ret)) {
755 ret = *((struct wmab_ret *) obj->buffer.pointer);
756 } else {
7677fbdf 757 kfree(out.pointer);
745a5d21
CC		 758 return AE_ERROR;
759 }
760
761 if (ret.eex & 0x1)
762 interface->capability |= ACER_CAP_MAILLED;
763
764 kfree(out.pointer);
765
766 return AE_OK;
767}
768
461e7437
IP		 769static int AMW0_set_cap_acpi_check_device_found;
770
771static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
772 u32 level, void *context, void **retval)
773{
774 AMW0_set_cap_acpi_check_device_found = 1;
775 return AE_OK;
776}
777
778static const struct acpi_device_id norfkill_ids[] = {
779 { "VPC2004", 0},
780 { "IBM0068", 0},
781 { "LEN0068", 0},
5719b819 782 { "SNY5001", 0}, /* sony-laptop in charge */
461e7437
IP		 783 { "", 0},
784};
785
786static int AMW0_set_cap_acpi_check_device(void)
787{
788 const struct acpi_device_id *id;
789
790 for (id = norfkill_ids; id->id[0]; id++)
791 acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
792 NULL, NULL);
793 return AMW0_set_cap_acpi_check_device_found;
794}
795
745a5d21
CC		 796static acpi_status AMW0_set_capabilities(void)
797{
798 struct wmab_args args;
799 struct wmab_ret ret;
7677fbdf 800 acpi_status status;
745a5d21
CC		 801 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
802 union acpi_object *obj;
803
5753dd53
CC		 804 /*
805 * On laptops with this strange GUID (non Acer), normal probing doesn't
806 * work.
807 */
808 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 809 if ((quirks != &quirk_unknown) ||
810 !AMW0_set_cap_acpi_check_device())
811 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 812 return AE_OK;
813 }
814
745a5d21
CC		 815 args.eax = ACER_AMW0_WRITE;
816 args.ecx = args.edx = 0;
817
818 args.ebx = 0xa2 << 8;
819 args.ebx |= ACER_AMW0_WIRELESS_MASK;
820
821 status = wmab_execute(&args, &out);
822 if (ACPI_FAILURE(status))
823 return status;
824
7677fbdf 825 obj = out.pointer;
745a5d21
CC		 826 if (obj && obj->type == ACPI_TYPE_BUFFER &&
827 obj->buffer.length == sizeof(struct wmab_ret)) {
828 ret = *((struct wmab_ret *) obj->buffer.pointer);
829 } else {
7677fbdf
AL		 830 status = AE_ERROR;
831 goto out;
745a5d21
CC		 832 }
833
834 if (ret.eax & 0x1)
835 interface->capability |= ACER_CAP_WIRELESS;
836
837 args.ebx = 2 << 8;
838 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
839
7677fbdf
AL		 840 /*
841 * It's ok to use existing buffer for next wmab_execute call.
842 * But we need to kfree(out.pointer) if next wmab_execute fail.
843 */
745a5d21
CC		 844 status = wmab_execute(&args, &out);
845 if (ACPI_FAILURE(status))
7677fbdf 846 goto out;
745a5d21
CC		 847
848 obj = (union acpi_object *) out.pointer;
849 if (obj && obj->type == ACPI_TYPE_BUFFER
850 && obj->buffer.length == sizeof(struct wmab_ret)) {
851 ret = *((struct wmab_ret *) obj->buffer.pointer);
852 } else {
7677fbdf
AL		 853 status = AE_ERROR;
854 goto out;
745a5d21
CC		 855 }
856
857 if (ret.eax & 0x1)
858 interface->capability |= ACER_CAP_BLUETOOTH;
859
745a5d21
CC		 860 /*
861 * This appears to be safe to enable, since all Wistron based laptops
862 * appear to use the same EC register for brightness, even if they
863 * differ for wireless, etc
864 */
9991d9f2
CC		 865 if (quirks->brightness >= 0)
866 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 867
7677fbdf
AL		 868 status = AE_OK;
869out:
870 kfree(out.pointer);
871 return status;
745a5d21
CC		 872}
873
874static struct wmi_interface AMW0_interface = {
875 .type = ACER_AMW0,
876};
877
878static struct wmi_interface AMW0_V2_interface = {
879 .type = ACER_AMW0_V2,
880};
881
882/*
883 * New interface (The WMID interface)
884 */
885static acpi_status
886WMI_execute_u32(u32 method_id, u32 in, u32 *out)
887{
888 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
889 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
890 union acpi_object *obj;
f20aaba9 891 u32 tmp = 0;
745a5d21
CC		 892 acpi_status status;
893
894 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
895
896 if (ACPI_FAILURE(status))
897 return status;
898
899 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 900 if (obj) {
901 if (obj->type == ACPI_TYPE_BUFFER &&
902 (obj->buffer.length == sizeof(u32) ||
903 obj->buffer.length == sizeof(u64))) {
904 tmp = *((u32 *) obj->buffer.pointer);
905 } else if (obj->type == ACPI_TYPE_INTEGER) {
906 tmp = (u32) obj->integer.value;
907 }
745a5d21
CC		 908 }
909
910 if (out)
911 *out = tmp;
912
913 kfree(result.pointer);
914
915 return status;
916}
917
38db157d 918static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 919{
920 acpi_status status;
921 u8 tmp;
922 u32 result, method_id = 0;
923
924 switch (cap) {
925 case ACER_CAP_WIRELESS:
926 method_id = ACER_WMID_GET_WIRELESS_METHODID;
927 break;
928 case ACER_CAP_BLUETOOTH:
929 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
930 break;
931 case ACER_CAP_BRIGHTNESS:
932 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
933 break;
934 case ACER_CAP_THREEG:
935 method_id = ACER_WMID_GET_THREEG_METHODID;
936 break;
937 case ACER_CAP_MAILLED:
938 if (quirks->mailled == 1) {
939 ec_read(0x9f, &tmp);
940 *value = tmp & 0x1;
941 return 0;
942 }
943 default:
08237974 944 return AE_ERROR;
745a5d21
CC		 945 }
946 status = WMI_execute_u32(method_id, 0, &result);
947
948 if (ACPI_SUCCESS(status))
949 *value = (u8)result;
950
951 return status;
952}
953
38db157d 954static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 955{
956 u32 method_id = 0;
957 char param;
958
959 switch (cap) {
960 case ACER_CAP_BRIGHTNESS:
961 if (value > max_brightness)
962 return AE_BAD_PARAMETER;
963 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
964 break;
965 case ACER_CAP_WIRELESS:
966 if (value > 1)
967 return AE_BAD_PARAMETER;
968 method_id = ACER_WMID_SET_WIRELESS_METHODID;
969 break;
970 case ACER_CAP_BLUETOOTH:
971 if (value > 1)
972 return AE_BAD_PARAMETER;
973 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
974 break;
975 case ACER_CAP_THREEG:
976 if (value > 1)
977 return AE_BAD_PARAMETER;
978 method_id = ACER_WMID_SET_THREEG_METHODID;
979 break;
980 case ACER_CAP_MAILLED:
981 if (value > 1)
982 return AE_BAD_PARAMETER;
983 if (quirks->mailled == 1) {
984 param = value ? 0x92 : 0x93;
181d683d 985 i8042_lock_chip();
745a5d21 986 i8042_command(&param, 0x1059);
181d683d 987 i8042_unlock_chip();
745a5d21
CC		 988 return 0;
989 }
990 break;
991 default:
08237974 992 return AE_ERROR;
745a5d21
CC		 993 }
994 return WMI_execute_u32(method_id, (u32)value, NULL);
995}
996
72e71de1
LCY		 997static acpi_status wmid3_get_device_status(u32 *value, u16 device)
998{
999 struct wmid3_gds_return_value return_value;
1000 acpi_status status;
1001 union acpi_object *obj;
996d23ba 1002 struct wmid3_gds_get_input_param params = {
72e71de1 1003 .function_num = 0x1,
34b6cfab 1004 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1005 .devices = device,
1006 };
1007 struct acpi_buffer input = {
996d23ba 1008 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1009 &params
1010 };
1011 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1012
1013 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1014 if (ACPI_FAILURE(status))
1015 return status;
1016
1017 obj = output.pointer;
1018
1019 if (!obj)
1020 return AE_ERROR;
1021 else if (obj->type != ACPI_TYPE_BUFFER) {
1022 kfree(obj);
1023 return AE_ERROR;
1024 }
1025 if (obj->buffer.length != 8) {
1026 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1027 kfree(obj);
1028 return AE_ERROR;
1029 }
1030
1031 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1032 kfree(obj);
1033
1034 if (return_value.error_code || return_value.ec_return_value)
1035 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1036 device,
1037 return_value.error_code,
1038 return_value.ec_return_value);
1039 else
1040 *value = !!(return_value.devices & device);
1041
1042 return status;
1043}
1044
1045static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1046{
1047 u16 device;
1048
1049 switch (cap) {
1050 case ACER_CAP_WIRELESS:
1051 device = ACER_WMID3_GDS_WIRELESS;
1052 break;
1053 case ACER_CAP_BLUETOOTH:
1054 device = ACER_WMID3_GDS_BLUETOOTH;
1055 break;
1056 case ACER_CAP_THREEG:
1057 device = ACER_WMID3_GDS_THREEG;
1058 break;
1059 default:
1060 return AE_ERROR;
1061 }
1062 return wmid3_get_device_status(value, device);
1063}
1064
1065static acpi_status wmid3_set_device_status(u32 value, u16 device)
1066{
1067 struct wmid3_gds_return_value return_value;
1068 acpi_status status;
1069 union acpi_object *obj;
1070 u16 devices;
996d23ba 1071 struct wmid3_gds_get_input_param get_params = {
72e71de1 1072 .function_num = 0x1,
34b6cfab 1073 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1074 .devices = commun_func_bitmap,
72e71de1 1075 };
996d23ba
LCY		 1076 struct acpi_buffer get_input = {
1077 sizeof(struct wmid3_gds_get_input_param),
1078 &get_params
1079 };
1080 struct wmid3_gds_set_input_param set_params = {
1081 .function_num = 0x2,
1082 .hotkey_number = commun_fn_key_number,
1083 .devices = commun_func_bitmap,
1084 };
1085 struct acpi_buffer set_input = {
1086 sizeof(struct wmid3_gds_set_input_param),
1087 &set_params
72e71de1
LCY		 1088 };
1089 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1090 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1091
996d23ba 1092 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1093 if (ACPI_FAILURE(status))
1094 return status;
1095
1096 obj = output.pointer;
1097
1098 if (!obj)
1099 return AE_ERROR;
1100 else if (obj->type != ACPI_TYPE_BUFFER) {
1101 kfree(obj);
1102 return AE_ERROR;
1103 }
1104 if (obj->buffer.length != 8) {
6e71f38b 1105 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1106 kfree(obj);
1107 return AE_ERROR;
1108 }
1109
1110 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1111 kfree(obj);
1112
1113 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1114 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1115 return_value.error_code,
72e71de1
LCY		 1116 return_value.ec_return_value);
1117 return status;
1118 }
1119
1120 devices = return_value.devices;
996d23ba 1121 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1122
996d23ba 1123 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1124 if (ACPI_FAILURE(status))
1125 return status;
1126
1127 obj = output2.pointer;
1128
1129 if (!obj)
1130 return AE_ERROR;
1131 else if (obj->type != ACPI_TYPE_BUFFER) {
1132 kfree(obj);
1133 return AE_ERROR;
1134 }
1135 if (obj->buffer.length != 4) {
6e71f38b 1136 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1137 kfree(obj);
1138 return AE_ERROR;
1139 }
1140
1141 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1142 kfree(obj);
1143
1144 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1145 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1146 return_value.error_code,
72e71de1
LCY		 1147 return_value.ec_return_value);
1148
1149 return status;
1150}
1151
1152static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1153{
1154 u16 device;
1155
1156 switch (cap) {
1157 case ACER_CAP_WIRELESS:
1158 device = ACER_WMID3_GDS_WIRELESS;
1159 break;
1160 case ACER_CAP_BLUETOOTH:
1161 device = ACER_WMID3_GDS_BLUETOOTH;
1162 break;
1163 case ACER_CAP_THREEG:
1164 device = ACER_WMID3_GDS_THREEG;
1165 break;
1166 default:
1167 return AE_ERROR;
1168 }
1169 return wmid3_set_device_status(value, device);
1170}
1171
6c3df88f
LCY		 1172static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
1173{
1174 struct hotkey_function_type_aa *type_aa;
1175
1176 /* We are looking for OEM-specific Type AAh */
1177 if (header->type != 0xAA)
1178 return;
1179
1180 has_type_aa = true;
1181 type_aa = (struct hotkey_function_type_aa *) header;
1182
cae15702 1183 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1184 type_aa->commun_func_bitmap);
1d1fc8a7 1185 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1186
1187 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1188 interface->capability |= ACER_CAP_WIRELESS;
1189 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1190 interface->capability |= ACER_CAP_THREEG;
1191 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1192 interface->capability |= ACER_CAP_BLUETOOTH;
34b6cfab
LCY		 1193
1194 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1195}
1196
745a5d21
CC		 1197static acpi_status WMID_set_capabilities(void)
1198{
1199 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1200 union acpi_object *obj;
1201 acpi_status status;
1202 u32 devices;
1203
1204 status = wmi_query_block(WMID_GUID2, 1, &out);
1205 if (ACPI_FAILURE(status))
1206 return status;
1207
1208 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1209 if (obj) {
1210 if (obj->type == ACPI_TYPE_BUFFER &&
1211 (obj->buffer.length == sizeof(u32) ||
1212 obj->buffer.length == sizeof(u64))) {
1213 devices = *((u32 *) obj->buffer.pointer);
1214 } else if (obj->type == ACPI_TYPE_INTEGER) {
1215 devices = (u32) obj->integer.value;
1216 }
745a5d21 1217 } else {
66904863 1218 kfree(out.pointer);
745a5d21
CC		 1219 return AE_ERROR;
1220 }
1221
1fbc01a7
LCY		 1222 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1223 if (devices & 0x07)
1224 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1225 if (devices & 0x40)
1226 interface->capability |= ACER_CAP_THREEG;
1227 if (devices & 0x10)
1228 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1229
745a5d21
CC		 1230 if (!(devices & 0x20))
1231 max_brightness = 0x9;
1232
66904863 1233 kfree(out.pointer);
745a5d21
CC		 1234 return status;
1235}
1236
1237static struct wmi_interface wmid_interface = {
1238 .type = ACER_WMID,
1239};
1240
72e71de1
LCY		 1241static struct wmi_interface wmid_v2_interface = {
1242 .type = ACER_WMID_v2,
1243};
1244
745a5d21
CC		 1245/*
1246 * Generic Device (interface-independent)
1247 */
1248
1249static acpi_status get_u32(u32 *value, u32 cap)
1250{
08237974 1251 acpi_status status = AE_ERROR;
745a5d21
CC		 1252
1253 switch (interface->type) {
1254 case ACER_AMW0:
38db157d 1255 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1256 break;
1257 case ACER_AMW0_V2:
1258 if (cap == ACER_CAP_MAILLED) {
38db157d 1259 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1260 break;
1261 }
1262 case ACER_WMID:
38db157d 1263 status = WMID_get_u32(value, cap);
745a5d21 1264 break;
72e71de1
LCY		 1265 case ACER_WMID_v2:
1266 if (cap & (ACER_CAP_WIRELESS |
1267 ACER_CAP_BLUETOOTH |
1268 ACER_CAP_THREEG))
1269 status = wmid_v2_get_u32(value, cap);
1270 else if (wmi_has_guid(WMID_GUID2))
38db157d 1271 status = WMID_get_u32(value, cap);
72e71de1 1272 break;
745a5d21
CC		 1273 }
1274
1275 return status;
1276}
1277
1278static acpi_status set_u32(u32 value, u32 cap)
1279{
5c742b45
CC		 1280 acpi_status status;
1281
745a5d21
CC		 1282 if (interface->capability & cap) {
1283 switch (interface->type) {
1284 case ACER_AMW0:
38db157d 1285 return AMW0_set_u32(value, cap);
745a5d21 1286 case ACER_AMW0_V2:
5c742b45 1287 if (cap == ACER_CAP_MAILLED)
38db157d 1288 return AMW0_set_u32(value, cap);
5c742b45
CC		 1289
1290 /*
1291 * On some models, some WMID methods don't toggle
1292 * properly. For those cases, we want to run the AMW0
1293 * method afterwards to be certain we've really toggled
1294 * the device state.
1295 */
1296 if (cap == ACER_CAP_WIRELESS ||
1297 cap == ACER_CAP_BLUETOOTH) {
38db157d 1298 status = WMID_set_u32(value, cap);
5c742b45
CC		 1299 if (ACPI_FAILURE(status))
1300 return status;
1301
38db157d 1302 return AMW0_set_u32(value, cap);
5c742b45 1303 }
745a5d21 1304 case ACER_WMID:
38db157d 1305 return WMID_set_u32(value, cap);
72e71de1
LCY		 1306 case ACER_WMID_v2:
1307 if (cap & (ACER_CAP_WIRELESS |
1308 ACER_CAP_BLUETOOTH |
1309 ACER_CAP_THREEG))
1310 return wmid_v2_set_u32(value, cap);
1311 else if (wmi_has_guid(WMID_GUID2))
38db157d 1312 return WMID_set_u32(value, cap);
745a5d21
CC		 1313 default:
1314 return AE_BAD_PARAMETER;
1315 }
1316 }
1317 return AE_BAD_PARAMETER;
1318}
1319
1320static void __init acer_commandline_init(void)
1321{
1322 /*
1323 * These will all fail silently if the value given is invalid, or the
1324 * capability isn't available on the given interface
1325 */
c2647b5e
LCY		 1326 if (mailled >= 0)
1327 set_u32(mailled, ACER_CAP_MAILLED);
1328 if (!has_type_aa && threeg >= 0)
6c3df88f 1329 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1330 if (brightness >= 0)
1331 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1332}
1333
1334/*
1335 * LED device (Mail LED only, no other LEDs known yet)
1336 */
1337static void mail_led_set(struct led_classdev *led_cdev,
1338enum led_brightness value)
1339{
1340 set_u32(value, ACER_CAP_MAILLED);
1341}
1342
1343static struct led_classdev mail_led = {
343c0042 1344 .name = "acer-wmi::mail",
745a5d21
CC		 1345 .brightness_set = mail_led_set,
1346};
1347
b859f159 1348static int acer_led_init(struct device *dev)
745a5d21
CC		 1349{
1350 return led_classdev_register(dev, &mail_led);
1351}
1352
1353static void acer_led_exit(void)
1354{
9a0b74fd 1355 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1356 led_classdev_unregister(&mail_led);
1357}
1358
1359/*
1360 * Backlight device
1361 */
1362static struct backlight_device *acer_backlight_device;
1363
1364static int read_brightness(struct backlight_device *bd)
1365{
1366 u32 value;
1367 get_u32(&value, ACER_CAP_BRIGHTNESS);
1368 return value;
1369}
1370
1371static int update_bl_status(struct backlight_device *bd)
1372{
f2b585b4
CC		 1373 int intensity = bd->props.brightness;
1374
1375 if (bd->props.power != FB_BLANK_UNBLANK)
1376 intensity = 0;
1377 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1378 intensity = 0;
1379
1380 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1381
745a5d21
CC		 1382 return 0;
1383}
1384
acc2472e 1385static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1386 .get_brightness = read_brightness,
1387 .update_status = update_bl_status,
1388};
1389
b859f159 1390static int acer_backlight_init(struct device *dev)
745a5d21 1391{
a19a6ee6 1392 struct backlight_properties props;
745a5d21
CC		 1393 struct backlight_device *bd;
1394
a19a6ee6 1395 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1396 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1397 props.max_brightness = max_brightness;
1398 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1399 &props);
745a5d21 1400 if (IS_ERR(bd)) {
cae15702 1401 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1402 acer_backlight_device = NULL;
1403 return PTR_ERR(bd);
1404 }
1405
1406 acer_backlight_device = bd;
1407
f2b585b4 1408 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1409 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1410 backlight_update_status(bd);
1411 return 0;
1412}
1413
7560e385 1414static void acer_backlight_exit(void)
745a5d21
CC		 1415{
1416 backlight_device_unregister(acer_backlight_device);
1417}
1418
1eb3fe1d
MV		 1419/*
1420 * Accelerometer device
1421 */
1422static acpi_handle gsensor_handle;
1423
1424static int acer_gsensor_init(void)
1425{
1426 acpi_status status;
1427 struct acpi_buffer output;
1428 union acpi_object out_obj;
1429
1430 output.length = sizeof(out_obj);
1431 output.pointer = &out_obj;
1432 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1433 if (ACPI_FAILURE(status))
1434 return -1;
1435
1436 return 0;
1437}
1438
1439static int acer_gsensor_open(struct input_dev *input)
1440{
1441 return acer_gsensor_init();
1442}
1443
1444static int acer_gsensor_event(void)
1445{
1446 acpi_status status;
1447 struct acpi_buffer output;
1448 union acpi_object out_obj[5];
1449
1450 if (!has_cap(ACER_CAP_ACCEL))
1451 return -1;
1452
1453 output.length = sizeof(out_obj);
1454 output.pointer = out_obj;
1455
1456 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1457 if (ACPI_FAILURE(status))
1458 return -1;
1459
1460 if (out_obj->package.count != 4)
1461 return -1;
1462
1463 input_report_abs(acer_wmi_accel_dev, ABS_X,
1464 (s16)out_obj->package.elements[0].integer.value);
1465 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1466 (s16)out_obj->package.elements[1].integer.value);
1467 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1468 (s16)out_obj->package.elements[2].integer.value);
1469 input_sync(acer_wmi_accel_dev);
1470 return 0;
1471}
1472
0606e1ab
CC		 1473/*
1474 * Rfkill devices
1475 */
0606e1ab
CC		 1476static void acer_rfkill_update(struct work_struct *ignored);
1477static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1478static void acer_rfkill_update(struct work_struct *ignored)
1479{
1480 u32 state;
1481 acpi_status status;
1482
1709adab
LCY		 1483 if (has_cap(ACER_CAP_WIRELESS)) {
1484 status = get_u32(&state, ACER_CAP_WIRELESS);
1485 if (ACPI_SUCCESS(status)) {
1486 if (quirks->wireless == 3)
1487 rfkill_set_hw_state(wireless_rfkill, !state);
1488 else
1489 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1490 }
1491 }
0606e1ab
CC		 1492
1493 if (has_cap(ACER_CAP_BLUETOOTH)) {
1494 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1495 if (ACPI_SUCCESS(status))
a878417c 1496 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1497 }
1498
b3c9092b 1499 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1500 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1501 if (ACPI_SUCCESS(status))
1502 rfkill_set_sw_state(threeg_rfkill, !state);
1503 }
1504
ae3a1b46 1505 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1506}
1507
19d337df 1508static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1509{
1510 acpi_status status;
19d337df 1511 u32 cap = (unsigned long)data;
8215af01
LCY		 1512
1513 if (rfkill_inited) {
72e71de1 1514 status = set_u32(!blocked, cap);
8215af01
LCY		 1515 if (ACPI_FAILURE(status))
1516 return -ENODEV;
1517 }
1518
0606e1ab
CC		 1519 return 0;
1520}
1521
19d337df
JB		 1522static const struct rfkill_ops acer_rfkill_ops = {
1523 .set_block = acer_rfkill_set,
1524};
1525
1526static struct rfkill *acer_rfkill_register(struct device *dev,
1527 enum rfkill_type type,
1528 char *name, u32 cap)
0606e1ab
CC		 1529{
1530 int err;
0606e1ab 1531 struct rfkill *rfkill_dev;
466449cf
LCY		 1532 u32 state;
1533 acpi_status status;
0606e1ab 1534
19d337df
JB		 1535 rfkill_dev = rfkill_alloc(name, dev, type,
1536 &acer_rfkill_ops,
1537 (void *)(unsigned long)cap);
0606e1ab
CC		 1538 if (!rfkill_dev)
1539 return ERR_PTR(-ENOMEM);
0606e1ab 1540
72e71de1 1541 status = get_u32(&state, cap);
466449cf 1542
0606e1ab
CC		 1543 err = rfkill_register(rfkill_dev);
1544 if (err) {
19d337df 1545 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1546 return ERR_PTR(err);
1547 }
8215af01
LCY		 1548
1549 if (ACPI_SUCCESS(status))
1550 rfkill_set_sw_state(rfkill_dev, !state);
1551
0606e1ab
CC		 1552 return rfkill_dev;
1553}
1554
1555static int acer_rfkill_init(struct device *dev)
1556{
1709adab
LCY		 1557 int err;
1558
1559 if (has_cap(ACER_CAP_WIRELESS)) {
1560 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1561 "acer-wireless", ACER_CAP_WIRELESS);
1562 if (IS_ERR(wireless_rfkill)) {
1563 err = PTR_ERR(wireless_rfkill);
1564 goto error_wireless;
1565 }
1566 }
0606e1ab
CC		 1567
1568 if (has_cap(ACER_CAP_BLUETOOTH)) {
1569 bluetooth_rfkill = acer_rfkill_register(dev,
1570 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1571 ACER_CAP_BLUETOOTH);
1572 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1573 err = PTR_ERR(bluetooth_rfkill);
1574 goto error_bluetooth;
0606e1ab
CC		 1575 }
1576 }
1577
b3c9092b
LCY		 1578 if (has_cap(ACER_CAP_THREEG)) {
1579 threeg_rfkill = acer_rfkill_register(dev,
1580 RFKILL_TYPE_WWAN, "acer-threeg",
1581 ACER_CAP_THREEG);
1582 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1583 err = PTR_ERR(threeg_rfkill);
1584 goto error_threeg;
b3c9092b
LCY		 1585 }
1586 }
1587
8215af01
LCY		 1588 rfkill_inited = true;
1589
1709adab
LCY		 1590 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1591 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904
LCY		 1592 schedule_delayed_work(&acer_rfkill_work,
1593 round_jiffies_relative(HZ));
0606e1ab
CC		 1594
1595 return 0;
1709adab
LCY		 1596
1597error_threeg:
1598 if (has_cap(ACER_CAP_BLUETOOTH)) {
1599 rfkill_unregister(bluetooth_rfkill);
1600 rfkill_destroy(bluetooth_rfkill);
1601 }
1602error_bluetooth:
1603 if (has_cap(ACER_CAP_WIRELESS)) {
1604 rfkill_unregister(wireless_rfkill);
1605 rfkill_destroy(wireless_rfkill);
1606 }
1607error_wireless:
1608 return err;
0606e1ab
CC		 1609}
1610
1611static void acer_rfkill_exit(void)
1612{
1709adab
LCY		 1613 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1614 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1615 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1616
1709adab
LCY		 1617 if (has_cap(ACER_CAP_WIRELESS)) {
1618 rfkill_unregister(wireless_rfkill);
1619 rfkill_destroy(wireless_rfkill);
1620 }
19d337df 1621
0606e1ab 1622 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1623 rfkill_unregister(bluetooth_rfkill);
19d337df 1624 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1625 }
b3c9092b
LCY		 1626
1627 if (has_cap(ACER_CAP_THREEG)) {
1628 rfkill_unregister(threeg_rfkill);
1629 rfkill_destroy(threeg_rfkill);
1630 }
0606e1ab
CC		 1631 return;
1632}
1633
745a5d21 1634/*
7d9a06de 1635 * sysfs interface
745a5d21 1636 */
7d9a06de
CC		 1637static ssize_t show_bool_threeg(struct device *dev,
1638 struct device_attribute *attr, char *buf)
1639{
745a5d21 1640 u32 result; \
b3c9092b 1641 acpi_status status;
7b8aca65 1642
6e71f38b
JP		 1643 pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
1644 current->comm);
72e71de1 1645 status = get_u32(&result, ACER_CAP_THREEG);
7d9a06de
CC		 1646 if (ACPI_SUCCESS(status))
1647 return sprintf(buf, "%u\n", result);
1648 return sprintf(buf, "Read error\n");
1649}
1650
1651static ssize_t set_bool_threeg(struct device *dev,
1652 struct device_attribute *attr, const char *buf, size_t count)
1653{
1654 u32 tmp = simple_strtoul(buf, NULL, 10);
1655 acpi_status status = set_u32(tmp, ACER_CAP_THREEG);
6e71f38b
JP		 1656 pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
1657 current->comm);
7b8aca65
LCY		 1658 if (ACPI_FAILURE(status))
1659 return -EINVAL;
7d9a06de
CC		 1660 return count;
1661}
b80b168f 1662static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg,
7d9a06de 1663 set_bool_threeg);
745a5d21 1664
745a5d21
CC		 1665static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
1666 char *buf)
1667{
6e71f38b
JP		 1668 pr_info("This interface sysfs will be removed in 2012 - used by: %s\n",
1669 current->comm);
745a5d21
CC		 1670 switch (interface->type) {
1671 case ACER_AMW0:
1672 return sprintf(buf, "AMW0\n");
1673 case ACER_AMW0_V2:
1674 return sprintf(buf, "AMW0 v2\n");
1675 case ACER_WMID:
1676 return sprintf(buf, "WMID\n");
72e71de1
LCY		 1677 case ACER_WMID_v2:
1678 return sprintf(buf, "WMID v2\n");
745a5d21
CC		 1679 default:
1680 return sprintf(buf, "Error!\n");
1681 }
1682}
1683
370525df 1684static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL);
745a5d21 1685
3fdca87d
LCY		 1686static void acer_wmi_notify(u32 value, void *context)
1687{
1688 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1689 union acpi_object *obj;
1690 struct event_return_value return_value;
1691 acpi_status status;
92530664
SF		 1692 u16 device_state;
1693 const struct key_entry *key;
8e2286ce 1694 u32 scancode;
3fdca87d
LCY		 1695
1696 status = wmi_get_event_data(value, &response);
1697 if (status != AE_OK) {
249c720d 1698 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1699 return;
1700 }
1701
1702 obj = (union acpi_object *)response.pointer;
1703
1704 if (!obj)
1705 return;
1706 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1707 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1708 kfree(obj);
1709 return;
1710 }
1711 if (obj->buffer.length != 8) {
249c720d 1712 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1713 kfree(obj);
1714 return;
1715 }
1716
1717 return_value = *((struct event_return_value *)obj->buffer.pointer);
1718 kfree(obj);
1719
1720 switch (return_value.function) {
1721 case WMID_HOTKEY_EVENT:
92530664
SF		 1722 device_state = return_value.device_state;
1723 pr_debug("device state: 0x%x\n", device_state);
1724
1725 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1726 return_value.key_num);
1727 if (!key) {
249c720d 1728 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1729 return_value.key_num);
92530664 1730 } else {
8e2286ce 1731 scancode = return_value.key_num;
92530664
SF		 1732 switch (key->keycode) {
1733 case KEY_WLAN:
1734 case KEY_BLUETOOTH:
1735 if (has_cap(ACER_CAP_WIRELESS))
1736 rfkill_set_sw_state(wireless_rfkill,
1737 !(device_state & ACER_WMID3_GDS_WIRELESS));
1738 if (has_cap(ACER_CAP_THREEG))
1739 rfkill_set_sw_state(threeg_rfkill,
1740 !(device_state & ACER_WMID3_GDS_THREEG));
1741 if (has_cap(ACER_CAP_BLUETOOTH))
1742 rfkill_set_sw_state(bluetooth_rfkill,
1743 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1744 break;
8e2286ce
LCY		 1745 case KEY_TOUCHPAD_TOGGLE:
1746 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1747 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1748 }
8e2286ce 1749 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1750 }
3fdca87d 1751 break;
1eb3fe1d
MV		 1752 case WMID_ACCEL_EVENT:
1753 acer_gsensor_event();
1754 break;
3fdca87d 1755 default:
249c720d 1756 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1757 return_value.function, return_value.key_num);
1758 break;
1759 }
1760}
1761
59ccf2f3
FLCY		 1762static acpi_status
1763wmid3_set_lm_mode(struct lm_input_params *params,
1764 struct lm_return_value *return_value)
1765{
1766 acpi_status status;
1767 union acpi_object *obj;
1768
1769 struct acpi_buffer input = { sizeof(struct lm_input_params), params };
1770 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1771
1772 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1773 if (ACPI_FAILURE(status))
1774 return status;
1775
1776 obj = output.pointer;
1777
1778 if (!obj)
1779 return AE_ERROR;
1780 else if (obj->type != ACPI_TYPE_BUFFER) {
1781 kfree(obj);
1782 return AE_ERROR;
1783 }
1784 if (obj->buffer.length != 4) {
249c720d 1785 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1786 kfree(obj);
1787 return AE_ERROR;
1788 }
1789
1790 *return_value = *((struct lm_return_value *)obj->buffer.pointer);
1791 kfree(obj);
1792
1793 return status;
1794}
1795
1796static int acer_wmi_enable_ec_raw(void)
1797{
1798 struct lm_return_value return_value;
1799 acpi_status status;
1800 struct lm_input_params params = {
1801 .function_num = 0x1,
1802 .commun_devices = 0xFFFF,
1803 .devices = 0xFFFF,
1804 .lm_status = 0x00, /* Launch Manager Deactive */
1805 };
1806
1807 status = wmid3_set_lm_mode(&params, &return_value);
1808
1809 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1810 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1811 return_value.error_code,
1812 return_value.ec_return_value);
59ccf2f3 1813 else
249c720d 1814 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1815
1816 return status;
1817}
1818
1819static int acer_wmi_enable_lm(void)
1820{
1821 struct lm_return_value return_value;
1822 acpi_status status;
1823 struct lm_input_params params = {
1824 .function_num = 0x1,
1825 .commun_devices = 0xFFFF,
1826 .devices = 0xFFFF,
1827 .lm_status = 0x01, /* Launch Manager Active */
1828 };
1829
1830 status = wmid3_set_lm_mode(&params, &return_value);
1831
1832 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1833 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1834 return_value.error_code,
1835 return_value.ec_return_value);
59ccf2f3
FLCY		 1836
1837 return status;
1838}
1839
1eb3fe1d
MV		 1840static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1841 void *ctx, void **retval)
1842{
1843 *(acpi_handle *)retval = ah;
1844 return AE_OK;
1845}
1846
1847static int __init acer_wmi_get_handle(const char *name, const char *prop,
1848 acpi_handle *ah)
1849{
1850 acpi_status status;
1851 acpi_handle handle;
1852
1853 BUG_ON(!name || !ah);
1854
24237c43 1855 handle = NULL;
1eb3fe1d
MV		 1856 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1857 (void *)name, &handle);
1858
1859 if (ACPI_SUCCESS(status)) {
1860 *ah = handle;
1861 return 0;
1862 } else {
1863 return -ENODEV;
1864 }
1865}
1866
1867static int __init acer_wmi_accel_setup(void)
1868{
1869 int err;
1870
1871 err = acer_wmi_get_handle("SENR", "BST0001", &gsensor_handle);
1872 if (err)
1873 return err;
1874
1875 interface->capability |= ACER_CAP_ACCEL;
1876
1877 acer_wmi_accel_dev = input_allocate_device();
1878 if (!acer_wmi_accel_dev)
1879 return -ENOMEM;
1880
1881 acer_wmi_accel_dev->open = acer_gsensor_open;
1882
1883 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1884 acer_wmi_accel_dev->phys = "wmi/input1";
1885 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1886 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1887 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1888 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1889 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1890
1891 err = input_register_device(acer_wmi_accel_dev);
1892 if (err)
1893 goto err_free_dev;
1894
1895 return 0;
1896
1897err_free_dev:
1898 input_free_device(acer_wmi_accel_dev);
1899 return err;
1900}
1901
1902static void acer_wmi_accel_destroy(void)
1903{
1904 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1905}
1906
3fdca87d
LCY		 1907static int __init acer_wmi_input_setup(void)
1908{
1909 acpi_status status;
1910 int err;
1911
1912 acer_wmi_input_dev = input_allocate_device();
1913 if (!acer_wmi_input_dev)
1914 return -ENOMEM;
1915
1916 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1917 acer_wmi_input_dev->phys = "wmi/input0";
1918 acer_wmi_input_dev->id.bustype = BUS_HOST;
1919
1920 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1921 if (err)
1922 goto err_free_dev;
1923
1924 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1925 acer_wmi_notify, NULL);
1926 if (ACPI_FAILURE(status)) {
1927 err = -EIO;
1928 goto err_free_keymap;
1929 }
1930
1931 err = input_register_device(acer_wmi_input_dev);
1932 if (err)
1933 goto err_uninstall_notifier;
1934
1935 return 0;
1936
1937err_uninstall_notifier:
1938 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1939err_free_keymap:
1940 sparse_keymap_free(acer_wmi_input_dev);
1941err_free_dev:
1942 input_free_device(acer_wmi_input_dev);
1943 return err;
1944}
1945
1946static void acer_wmi_input_destroy(void)
1947{
1948 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1949 sparse_keymap_free(acer_wmi_input_dev);
1950 input_unregister_device(acer_wmi_input_dev);
1951}
1952
81143522
CC		 1953/*
1954 * debugfs functions
1955 */
1956static u32 get_wmid_devices(void)
1957{
1958 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1959 union acpi_object *obj;
1960 acpi_status status;
66904863 1961 u32 devices = 0;
81143522
CC		 1962
1963 status = wmi_query_block(WMID_GUID2, 1, &out);
1964 if (ACPI_FAILURE(status))
1965 return 0;
1966
1967 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1968 if (obj) {
1969 if (obj->type == ACPI_TYPE_BUFFER &&
1970 (obj->buffer.length == sizeof(u32) ||
1971 obj->buffer.length == sizeof(u64))) {
1972 devices = *((u32 *) obj->buffer.pointer);
1973 } else if (obj->type == ACPI_TYPE_INTEGER) {
1974 devices = (u32) obj->integer.value;
1975 }
81143522 1976 }
66904863
AL		 1977
1978 kfree(out.pointer);
1979 return devices;
81143522
CC		 1980}
1981
745a5d21
CC		 1982/*
1983 * Platform device
1984 */
b859f159 1985static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 1986{
1987 int err;
1988
1989 if (has_cap(ACER_CAP_MAILLED)) {
1990 err = acer_led_init(&device->dev);
1991 if (err)
1992 goto error_mailled;
1993 }
1994
1995 if (has_cap(ACER_CAP_BRIGHTNESS)) {
1996 err = acer_backlight_init(&device->dev);
1997 if (err)
1998 goto error_brightness;
1999 }
2000
0606e1ab 2001 err = acer_rfkill_init(&device->dev);
350e3290
AW		 2002 if (err)
2003 goto error_rfkill;
0606e1ab
CC		 2004
2005 return err;
745a5d21 2006
350e3290
AW		 2007error_rfkill:
2008 if (has_cap(ACER_CAP_BRIGHTNESS))
2009 acer_backlight_exit();
745a5d21 2010error_brightness:
350e3290
AW		 2011 if (has_cap(ACER_CAP_MAILLED))
2012 acer_led_exit();
745a5d21
CC		 2013error_mailled:
2014 return err;
2015}
2016
2017static int acer_platform_remove(struct platform_device *device)
2018{
2019 if (has_cap(ACER_CAP_MAILLED))
2020 acer_led_exit();
2021 if (has_cap(ACER_CAP_BRIGHTNESS))
2022 acer_backlight_exit();
0606e1ab
CC		 2023
2024 acer_rfkill_exit();
745a5d21
CC		 2025 return 0;
2026}
2027
3c33be0b 2028static int acer_suspend(struct device *dev)
745a5d21
CC		 2029{
2030 u32 value;
2031 struct acer_data *data = &interface->data;
2032
2033 if (!data)
2034 return -ENOMEM;
2035
745a5d21
CC		 2036 if (has_cap(ACER_CAP_MAILLED)) {
2037 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2038 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2039 data->mailled = value;
2040 }
2041
2042 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2043 get_u32(&value, ACER_CAP_BRIGHTNESS);
2044 data->brightness = value;
2045 }
2046
2047 return 0;
2048}
2049
3c33be0b 2050static int acer_resume(struct device *dev)
745a5d21
CC		 2051{
2052 struct acer_data *data = &interface->data;
2053
2054 if (!data)
2055 return -ENOMEM;
2056
745a5d21
CC		 2057 if (has_cap(ACER_CAP_MAILLED))
2058 set_u32(data->mailled, ACER_CAP_MAILLED);
2059
2060 if (has_cap(ACER_CAP_BRIGHTNESS))
2061 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2062
1eb3fe1d
MV		 2063 if (has_cap(ACER_CAP_ACCEL))
2064 acer_gsensor_init();
2065
745a5d21
CC		 2066 return 0;
2067}
2068
3c33be0b
RW		 2069static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2070
9a0b74fd
PR		 2071static void acer_platform_shutdown(struct platform_device *device)
2072{
2073 struct acer_data *data = &interface->data;
2074
2075 if (!data)
2076 return;
2077
2078 if (has_cap(ACER_CAP_MAILLED))
2079 set_u32(LED_OFF, ACER_CAP_MAILLED);
2080}
2081
745a5d21
CC		 2082static struct platform_driver acer_platform_driver = {
2083 .driver = {
2084 .name = "acer-wmi",
2085 .owner = THIS_MODULE,
3c33be0b 2086 .pm = &acer_pm,
745a5d21
CC		 2087 },
2088 .probe = acer_platform_probe,
2089 .remove = acer_platform_remove,
9a0b74fd 2090 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2091};
2092
2093static struct platform_device *acer_platform_device;
2094
2095static int remove_sysfs(struct platform_device *device)
2096{
745a5d21
CC		 2097 if (has_cap(ACER_CAP_THREEG))
2098 device_remove_file(&device->dev, &dev_attr_threeg);
2099
2100 device_remove_file(&device->dev, &dev_attr_interface);
2101
2102 return 0;
2103}
2104
2105static int create_sysfs(void)
2106{
2107 int retval = -ENOMEM;
2108
745a5d21
CC		 2109 if (has_cap(ACER_CAP_THREEG)) {
2110 retval = device_create_file(&acer_platform_device->dev,
2111 &dev_attr_threeg);
2112 if (retval)
2113 goto error_sysfs;
2114 }
2115
2116 retval = device_create_file(&acer_platform_device->dev,
2117 &dev_attr_interface);
2118 if (retval)
2119 goto error_sysfs;
2120
2121 return 0;
2122
2123error_sysfs:
2124 remove_sysfs(acer_platform_device);
2125 return retval;
2126}
2127
81143522
CC		 2128static void remove_debugfs(void)
2129{
2130 debugfs_remove(interface->debug.devices);
2131 debugfs_remove(interface->debug.root);
2132}
2133
2134static int create_debugfs(void)
2135{
2136 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2137 if (!interface->debug.root) {
cae15702 2138 pr_err("Failed to create debugfs directory");
81143522
CC		 2139 return -ENOMEM;
2140 }
2141
2142 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2143 interface->debug.root,
2144 &interface->debug.wmid_devices);
2145 if (!interface->debug.devices)
2146 goto error_debugfs;
2147
2148 return 0;
2149
2150error_debugfs:
39dbbb45 2151 remove_debugfs();
81143522
CC		 2152 return -ENOMEM;
2153}
2154
745a5d21
CC		 2155static int __init acer_wmi_init(void)
2156{
2157 int err;
2158
cae15702 2159 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2160
a74dd5fd 2161 if (dmi_check_system(acer_blacklist)) {
cae15702 2162 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2163 return -ENODEV;
2164 }
2165
9991d9f2
CC		 2166 find_quirks();
2167
745a5d21
CC		 2168 /*
2169 * Detect which ACPI-WMI interface we're using.
2170 */
2171 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2172 interface = &AMW0_V2_interface;
2173
2174 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2175 interface = &wmid_interface;
2176
72e71de1
LCY		 2177 if (wmi_has_guid(WMID_GUID3))
2178 interface = &wmid_v2_interface;
2179
2180 if (interface)
2181 dmi_walk(type_aa_dmi_decode, NULL);
2182
745a5d21 2183 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2184 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2185 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2186 return -ENODEV;
2187 }
72e71de1
LCY		 2188 /* WMID always provides brightness methods */
2189 interface->capability |= ACER_CAP_BRIGHTNESS;
2190 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2191 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2192 return -ENODEV;
2193 }
2194
2195 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2196 interface = &AMW0_interface;
2197
2198 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2199 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2200 return -ENODEV;
2201 }
2202 }
2203
9b963c40
CC		 2204 if (wmi_has_guid(AMW0_GUID1))
2205 AMW0_find_mailled();
745a5d21 2206
745a5d21 2207 if (!interface) {
cae15702 2208 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2209 return -ENODEV;
2210 }
2211
83097aca
AV		 2212 set_quirks();
2213
a60b2176
CC		 2214 if (dmi_check_system(video_vendor_dmi_table))
2215 acpi_video_dmi_promote_vendor();
72e71de1 2216 if (acpi_video_backlight_support()) {
a60b2176
CC		 2217 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2218 pr_info("Brightness must be controlled by acpi video driver\n");
2219 } else {
a60b2176
CC		 2220 pr_info("Disabling ACPI video driver\n");
2221 acpi_video_unregister();
febf2d95
TR		 2222 }
2223
59ccf2f3
FLCY		 2224 if (wmi_has_guid(WMID_GUID3)) {
2225 if (ec_raw_mode) {
2226 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2227 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2228 return -ENODEV;
2229 }
2230 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2231 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2232 return -ENODEV;
2233 }
2234 } else if (ec_raw_mode) {
cae15702 2235 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2236 }
2237
3fdca87d
LCY		 2238 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2239 err = acer_wmi_input_setup();
2240 if (err)
2241 return err;
2242 }
2243
1eb3fe1d
MV		 2244 acer_wmi_accel_setup();
2245
1c79632b
AL		 2246 err = platform_driver_register(&acer_platform_driver);
2247 if (err) {
6e71f38b 2248 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2249 goto error_platform_register;
2250 }
1c79632b 2251
745a5d21 2252 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2253 if (!acer_platform_device) {
2254 err = -ENOMEM;
2255 goto error_device_alloc;
2256 }
2257
2258 err = platform_device_add(acer_platform_device);
2259 if (err)
2260 goto error_device_add;
745a5d21
CC		 2261
2262 err = create_sysfs();
2263 if (err)
1c79632b 2264 goto error_create_sys;
745a5d21 2265
81143522
CC		 2266 if (wmi_has_guid(WMID_GUID2)) {
2267 interface->debug.wmid_devices = get_wmid_devices();
2268 err = create_debugfs();
2269 if (err)
1c79632b 2270 goto error_create_debugfs;
81143522
CC		 2271 }
2272
745a5d21
CC		 2273 /* Override any initial settings with values from the commandline */
2274 acer_commandline_init();
2275
2276 return 0;
2277
1c79632b
AL		 2278error_create_debugfs:
2279 remove_sysfs(acer_platform_device);
2280error_create_sys:
2281 platform_device_del(acer_platform_device);
2282error_device_add:
2283 platform_device_put(acer_platform_device);
2284error_device_alloc:
2285 platform_driver_unregister(&acer_platform_driver);
745a5d21 2286error_platform_register:
3fdca87d
LCY		 2287 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2288 acer_wmi_input_destroy();
1eb3fe1d
MV		 2289 if (has_cap(ACER_CAP_ACCEL))
2290 acer_wmi_accel_destroy();
3fdca87d 2291
1c79632b 2292 return err;
745a5d21
CC		 2293}
2294
2295static void __exit acer_wmi_exit(void)
2296{
3fdca87d
LCY		 2297 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2298 acer_wmi_input_destroy();
2299
1eb3fe1d
MV		 2300 if (has_cap(ACER_CAP_ACCEL))
2301 acer_wmi_accel_destroy();
2302
745a5d21 2303 remove_sysfs(acer_platform_device);
39dbbb45 2304 remove_debugfs();
97ba0af0 2305 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2306 platform_driver_unregister(&acer_platform_driver);
2307
cae15702 2308 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2309 return;
2310}
2311
2312module_init(acer_wmi_init);
2313module_exit(acer_wmi_exit);
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