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Merge tag 'v3.10.107' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.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 },
5f3511d2
LCY		 523 {
524 .callback = dmi_matched,
525 .ident = "Lenovo Ideapad S205-1038DPG",
526 .matches = {
527 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
528 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
529 },
530 .driver_data = &quirk_lenovo_ideapad_s205,
531 },
745a5d21
CC		 532 {}
533};
534
86924de2
LCY		 535static int video_set_backlight_video_vendor(const struct dmi_system_id *d)
536{
537 interface->capability &= ~ACER_CAP_BRIGHTNESS;
538 pr_info("Brightness must be controlled by generic video driver\n");
539 return 0;
540}
541
542static const struct dmi_system_id video_vendor_dmi_table[] = {
543 {
544 .callback = video_set_backlight_video_vendor,
545 .ident = "Acer TravelMate 4750",
546 .matches = {
547 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
548 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
549 },
550 },
050eff39
LCY		 551 {
552 .callback = video_set_backlight_video_vendor,
553 .ident = "Acer Extensa 5235",
554 .matches = {
555 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
556 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
557 },
558 },
559 {
560 .callback = video_set_backlight_video_vendor,
561 .ident = "Acer TravelMate 5760",
562 .matches = {
563 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
564 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
565 },
566 },
567 {
568 .callback = video_set_backlight_video_vendor,
569 .ident = "Acer Aspire 5750",
570 .matches = {
571 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
572 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
573 },
574 },
018fd7f8
HG		 575 {
576 /*
577 * Note no video_set_backlight_video_vendor, we must use the
578 * acer interface, as there is no native backlight interface.
579 */
580 .ident = "Acer KAV80",
581 .matches = {
582 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
583 DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
584 },
585 },
86924de2
LCY		 586 {}
587};
588
745a5d21
CC		 589/* Find which quirks are needed for a particular vendor/ model pair */
590static void find_quirks(void)
591{
592 if (!force_series) {
593 dmi_check_system(acer_quirks);
594 } else if (force_series == 2490) {
595 quirks = &quirk_acer_travelmate_2490;
596 }
597
598 if (quirks == NULL)
599 quirks = &quirk_unknown;
600
601 set_quirks();
602}
603
604/*
605 * General interface convenience methods
606 */
607
608static bool has_cap(u32 cap)
609{
610 if ((interface->capability & cap) != 0)
611 return 1;
612
613 return 0;
614}
615
616/*
617 * AMW0 (V1) interface
618 */
619struct wmab_args {
620 u32 eax;
621 u32 ebx;
622 u32 ecx;
623 u32 edx;
624};
625
626struct wmab_ret {
627 u32 eax;
628 u32 ebx;
629 u32 ecx;
630 u32 edx;
631 u32 eex;
632};
633
634static acpi_status wmab_execute(struct wmab_args *regbuf,
635struct acpi_buffer *result)
636{
637 struct acpi_buffer input;
638 acpi_status status;
639 input.length = sizeof(struct wmab_args);
640 input.pointer = (u8 *)regbuf;
641
642 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
643
644 return status;
645}
646
38db157d 647static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 648{
649 int err;
650 u8 result;
651
652 switch (cap) {
653 case ACER_CAP_MAILLED:
654 switch (quirks->mailled) {
655 default:
656 err = ec_read(0xA, &result);
657 if (err)
658 return AE_ERROR;
659 *value = (result >> 7) & 0x1;
660 return AE_OK;
661 }
662 break;
663 case ACER_CAP_WIRELESS:
664 switch (quirks->wireless) {
665 case 1:
666 err = ec_read(0x7B, &result);
667 if (err)
668 return AE_ERROR;
669 *value = result & 0x1;
670 return AE_OK;
6f061ab5
CC		 671 case 2:
672 err = ec_read(0x71, &result);
673 if (err)
674 return AE_ERROR;
675 *value = result & 0x1;
676 return AE_OK;
15b956a0
LCY		 677 case 3:
678 err = ec_read(0x78, &result);
679 if (err)
680 return AE_ERROR;
681 *value = result & 0x1;
682 return AE_OK;
745a5d21
CC		 683 default:
684 err = ec_read(0xA, &result);
685 if (err)
686 return AE_ERROR;
687 *value = (result >> 2) & 0x1;
688 return AE_OK;
689 }
690 break;
691 case ACER_CAP_BLUETOOTH:
692 switch (quirks->bluetooth) {
693 default:
694 err = ec_read(0xA, &result);
695 if (err)
696 return AE_ERROR;
697 *value = (result >> 4) & 0x1;
698 return AE_OK;
699 }
700 break;
701 case ACER_CAP_BRIGHTNESS:
702 switch (quirks->brightness) {
703 default:
704 err = ec_read(0x83, &result);
705 if (err)
706 return AE_ERROR;
707 *value = result;
708 return AE_OK;
709 }
710 break;
711 default:
08237974 712 return AE_ERROR;
745a5d21
CC		 713 }
714 return AE_OK;
715}
716
38db157d 717static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 718{
719 struct wmab_args args;
720
721 args.eax = ACER_AMW0_WRITE;
722 args.ebx = value ? (1<<8) : 0;
723 args.ecx = args.edx = 0;
724
725 switch (cap) {
726 case ACER_CAP_MAILLED:
727 if (value > 1)
728 return AE_BAD_PARAMETER;
729 args.ebx |= ACER_AMW0_MAILLED_MASK;
730 break;
731 case ACER_CAP_WIRELESS:
732 if (value > 1)
733 return AE_BAD_PARAMETER;
734 args.ebx |= ACER_AMW0_WIRELESS_MASK;
735 break;
736 case ACER_CAP_BLUETOOTH:
737 if (value > 1)
738 return AE_BAD_PARAMETER;
739 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
740 break;
741 case ACER_CAP_BRIGHTNESS:
742 if (value > max_brightness)
743 return AE_BAD_PARAMETER;
744 switch (quirks->brightness) {
745a5d21 745 default:
4609d029
CC		 746 return ec_write(0x83, value);
747 break;
745a5d21
CC		 748 }
749 default:
08237974 750 return AE_ERROR;
745a5d21
CC		 751 }
752
753 /* Actually do the set */
754 return wmab_execute(&args, NULL);
755}
756
757static acpi_status AMW0_find_mailled(void)
758{
759 struct wmab_args args;
760 struct wmab_ret ret;
761 acpi_status status = AE_OK;
762 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
763 union acpi_object *obj;
764
765 args.eax = 0x86;
766 args.ebx = args.ecx = args.edx = 0;
767
768 status = wmab_execute(&args, &out);
769 if (ACPI_FAILURE(status))
770 return status;
771
772 obj = (union acpi_object *) out.pointer;
773 if (obj && obj->type == ACPI_TYPE_BUFFER &&
774 obj->buffer.length == sizeof(struct wmab_ret)) {
775 ret = *((struct wmab_ret *) obj->buffer.pointer);
776 } else {
7677fbdf 777 kfree(out.pointer);
745a5d21
CC		 778 return AE_ERROR;
779 }
780
781 if (ret.eex & 0x1)
782 interface->capability |= ACER_CAP_MAILLED;
783
784 kfree(out.pointer);
785
786 return AE_OK;
787}
788
461e7437
IP		 789static int AMW0_set_cap_acpi_check_device_found;
790
791static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
792 u32 level, void *context, void **retval)
793{
794 AMW0_set_cap_acpi_check_device_found = 1;
795 return AE_OK;
796}
797
798static const struct acpi_device_id norfkill_ids[] = {
799 { "VPC2004", 0},
800 { "IBM0068", 0},
801 { "LEN0068", 0},
5719b819 802 { "SNY5001", 0}, /* sony-laptop in charge */
461e7437
IP		 803 { "", 0},
804};
805
806static int AMW0_set_cap_acpi_check_device(void)
807{
808 const struct acpi_device_id *id;
809
810 for (id = norfkill_ids; id->id[0]; id++)
811 acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
812 NULL, NULL);
813 return AMW0_set_cap_acpi_check_device_found;
814}
815
745a5d21
CC		 816static acpi_status AMW0_set_capabilities(void)
817{
818 struct wmab_args args;
819 struct wmab_ret ret;
7677fbdf 820 acpi_status status;
745a5d21
CC		 821 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
822 union acpi_object *obj;
823
5753dd53
CC		 824 /*
825 * On laptops with this strange GUID (non Acer), normal probing doesn't
826 * work.
827 */
828 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 829 if ((quirks != &quirk_unknown) ||
830 !AMW0_set_cap_acpi_check_device())
831 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 832 return AE_OK;
833 }
834
745a5d21
CC		 835 args.eax = ACER_AMW0_WRITE;
836 args.ecx = args.edx = 0;
837
838 args.ebx = 0xa2 << 8;
839 args.ebx |= ACER_AMW0_WIRELESS_MASK;
840
841 status = wmab_execute(&args, &out);
842 if (ACPI_FAILURE(status))
843 return status;
844
7677fbdf 845 obj = out.pointer;
745a5d21
CC		 846 if (obj && obj->type == ACPI_TYPE_BUFFER &&
847 obj->buffer.length == sizeof(struct wmab_ret)) {
848 ret = *((struct wmab_ret *) obj->buffer.pointer);
849 } else {
7677fbdf
AL		 850 status = AE_ERROR;
851 goto out;
745a5d21
CC		 852 }
853
854 if (ret.eax & 0x1)
855 interface->capability |= ACER_CAP_WIRELESS;
856
857 args.ebx = 2 << 8;
858 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
859
7677fbdf
AL		 860 /*
861 * It's ok to use existing buffer for next wmab_execute call.
862 * But we need to kfree(out.pointer) if next wmab_execute fail.
863 */
745a5d21
CC		 864 status = wmab_execute(&args, &out);
865 if (ACPI_FAILURE(status))
7677fbdf 866 goto out;
745a5d21
CC		 867
868 obj = (union acpi_object *) out.pointer;
869 if (obj && obj->type == ACPI_TYPE_BUFFER
870 && obj->buffer.length == sizeof(struct wmab_ret)) {
871 ret = *((struct wmab_ret *) obj->buffer.pointer);
872 } else {
7677fbdf
AL		 873 status = AE_ERROR;
874 goto out;
745a5d21
CC		 875 }
876
877 if (ret.eax & 0x1)
878 interface->capability |= ACER_CAP_BLUETOOTH;
879
745a5d21
CC		 880 /*
881 * This appears to be safe to enable, since all Wistron based laptops
882 * appear to use the same EC register for brightness, even if they
883 * differ for wireless, etc
884 */
9991d9f2
CC		 885 if (quirks->brightness >= 0)
886 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 887
7677fbdf
AL		 888 status = AE_OK;
889out:
890 kfree(out.pointer);
891 return status;
745a5d21
CC		 892}
893
894static struct wmi_interface AMW0_interface = {
895 .type = ACER_AMW0,
896};
897
898static struct wmi_interface AMW0_V2_interface = {
899 .type = ACER_AMW0_V2,
900};
901
902/*
903 * New interface (The WMID interface)
904 */
905static acpi_status
906WMI_execute_u32(u32 method_id, u32 in, u32 *out)
907{
908 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
909 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
910 union acpi_object *obj;
f20aaba9 911 u32 tmp = 0;
745a5d21
CC		 912 acpi_status status;
913
914 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
915
916 if (ACPI_FAILURE(status))
917 return status;
918
919 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 920 if (obj) {
921 if (obj->type == ACPI_TYPE_BUFFER &&
922 (obj->buffer.length == sizeof(u32) ||
923 obj->buffer.length == sizeof(u64))) {
924 tmp = *((u32 *) obj->buffer.pointer);
925 } else if (obj->type == ACPI_TYPE_INTEGER) {
926 tmp = (u32) obj->integer.value;
927 }
745a5d21
CC		 928 }
929
930 if (out)
931 *out = tmp;
932
933 kfree(result.pointer);
934
935 return status;
936}
937
38db157d 938static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 939{
940 acpi_status status;
941 u8 tmp;
942 u32 result, method_id = 0;
943
944 switch (cap) {
945 case ACER_CAP_WIRELESS:
946 method_id = ACER_WMID_GET_WIRELESS_METHODID;
947 break;
948 case ACER_CAP_BLUETOOTH:
949 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
950 break;
951 case ACER_CAP_BRIGHTNESS:
952 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
953 break;
954 case ACER_CAP_THREEG:
955 method_id = ACER_WMID_GET_THREEG_METHODID;
956 break;
957 case ACER_CAP_MAILLED:
958 if (quirks->mailled == 1) {
959 ec_read(0x9f, &tmp);
960 *value = tmp & 0x1;
961 return 0;
962 }
963 default:
08237974 964 return AE_ERROR;
745a5d21
CC		 965 }
966 status = WMI_execute_u32(method_id, 0, &result);
967
968 if (ACPI_SUCCESS(status))
969 *value = (u8)result;
970
971 return status;
972}
973
38db157d 974static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 975{
976 u32 method_id = 0;
977 char param;
978
979 switch (cap) {
980 case ACER_CAP_BRIGHTNESS:
981 if (value > max_brightness)
982 return AE_BAD_PARAMETER;
983 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
984 break;
985 case ACER_CAP_WIRELESS:
986 if (value > 1)
987 return AE_BAD_PARAMETER;
988 method_id = ACER_WMID_SET_WIRELESS_METHODID;
989 break;
990 case ACER_CAP_BLUETOOTH:
991 if (value > 1)
992 return AE_BAD_PARAMETER;
993 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
994 break;
995 case ACER_CAP_THREEG:
996 if (value > 1)
997 return AE_BAD_PARAMETER;
998 method_id = ACER_WMID_SET_THREEG_METHODID;
999 break;
1000 case ACER_CAP_MAILLED:
1001 if (value > 1)
1002 return AE_BAD_PARAMETER;
1003 if (quirks->mailled == 1) {
1004 param = value ? 0x92 : 0x93;
181d683d 1005 i8042_lock_chip();
745a5d21 1006 i8042_command(&param, 0x1059);
181d683d 1007 i8042_unlock_chip();
745a5d21
CC		 1008 return 0;
1009 }
1010 break;
1011 default:
08237974 1012 return AE_ERROR;
745a5d21
CC		 1013 }
1014 return WMI_execute_u32(method_id, (u32)value, NULL);
1015}
1016
72e71de1
LCY		 1017static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1018{
1019 struct wmid3_gds_return_value return_value;
1020 acpi_status status;
1021 union acpi_object *obj;
996d23ba 1022 struct wmid3_gds_get_input_param params = {
72e71de1 1023 .function_num = 0x1,
34b6cfab 1024 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1025 .devices = device,
1026 };
1027 struct acpi_buffer input = {
996d23ba 1028 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1029 &params
1030 };
1031 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1032
1033 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1034 if (ACPI_FAILURE(status))
1035 return status;
1036
1037 obj = output.pointer;
1038
1039 if (!obj)
1040 return AE_ERROR;
1041 else if (obj->type != ACPI_TYPE_BUFFER) {
1042 kfree(obj);
1043 return AE_ERROR;
1044 }
1045 if (obj->buffer.length != 8) {
1046 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1047 kfree(obj);
1048 return AE_ERROR;
1049 }
1050
1051 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1052 kfree(obj);
1053
1054 if (return_value.error_code || return_value.ec_return_value)
1055 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1056 device,
1057 return_value.error_code,
1058 return_value.ec_return_value);
1059 else
1060 *value = !!(return_value.devices & device);
1061
1062 return status;
1063}
1064
1065static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1066{
1067 u16 device;
1068
1069 switch (cap) {
1070 case ACER_CAP_WIRELESS:
1071 device = ACER_WMID3_GDS_WIRELESS;
1072 break;
1073 case ACER_CAP_BLUETOOTH:
1074 device = ACER_WMID3_GDS_BLUETOOTH;
1075 break;
1076 case ACER_CAP_THREEG:
1077 device = ACER_WMID3_GDS_THREEG;
1078 break;
1079 default:
1080 return AE_ERROR;
1081 }
1082 return wmid3_get_device_status(value, device);
1083}
1084
1085static acpi_status wmid3_set_device_status(u32 value, u16 device)
1086{
1087 struct wmid3_gds_return_value return_value;
1088 acpi_status status;
1089 union acpi_object *obj;
1090 u16 devices;
996d23ba 1091 struct wmid3_gds_get_input_param get_params = {
72e71de1 1092 .function_num = 0x1,
34b6cfab 1093 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1094 .devices = commun_func_bitmap,
72e71de1 1095 };
996d23ba
LCY		 1096 struct acpi_buffer get_input = {
1097 sizeof(struct wmid3_gds_get_input_param),
1098 &get_params
1099 };
1100 struct wmid3_gds_set_input_param set_params = {
1101 .function_num = 0x2,
1102 .hotkey_number = commun_fn_key_number,
1103 .devices = commun_func_bitmap,
1104 };
1105 struct acpi_buffer set_input = {
1106 sizeof(struct wmid3_gds_set_input_param),
1107 &set_params
72e71de1
LCY		 1108 };
1109 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1110 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1111
996d23ba 1112 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1113 if (ACPI_FAILURE(status))
1114 return status;
1115
1116 obj = output.pointer;
1117
1118 if (!obj)
1119 return AE_ERROR;
1120 else if (obj->type != ACPI_TYPE_BUFFER) {
1121 kfree(obj);
1122 return AE_ERROR;
1123 }
1124 if (obj->buffer.length != 8) {
6e71f38b 1125 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1126 kfree(obj);
1127 return AE_ERROR;
1128 }
1129
1130 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1131 kfree(obj);
1132
1133 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1134 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1135 return_value.error_code,
72e71de1
LCY		 1136 return_value.ec_return_value);
1137 return status;
1138 }
1139
1140 devices = return_value.devices;
996d23ba 1141 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1142
996d23ba 1143 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1144 if (ACPI_FAILURE(status))
1145 return status;
1146
1147 obj = output2.pointer;
1148
1149 if (!obj)
1150 return AE_ERROR;
1151 else if (obj->type != ACPI_TYPE_BUFFER) {
1152 kfree(obj);
1153 return AE_ERROR;
1154 }
1155 if (obj->buffer.length != 4) {
6e71f38b 1156 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1157 kfree(obj);
1158 return AE_ERROR;
1159 }
1160
1161 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1162 kfree(obj);
1163
1164 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1165 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1166 return_value.error_code,
72e71de1
LCY		 1167 return_value.ec_return_value);
1168
1169 return status;
1170}
1171
1172static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1173{
1174 u16 device;
1175
1176 switch (cap) {
1177 case ACER_CAP_WIRELESS:
1178 device = ACER_WMID3_GDS_WIRELESS;
1179 break;
1180 case ACER_CAP_BLUETOOTH:
1181 device = ACER_WMID3_GDS_BLUETOOTH;
1182 break;
1183 case ACER_CAP_THREEG:
1184 device = ACER_WMID3_GDS_THREEG;
1185 break;
1186 default:
1187 return AE_ERROR;
1188 }
1189 return wmid3_set_device_status(value, device);
1190}
1191
6c3df88f
LCY		 1192static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
1193{
1194 struct hotkey_function_type_aa *type_aa;
1195
1196 /* We are looking for OEM-specific Type AAh */
1197 if (header->type != 0xAA)
1198 return;
1199
1200 has_type_aa = true;
1201 type_aa = (struct hotkey_function_type_aa *) header;
1202
cae15702 1203 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1204 type_aa->commun_func_bitmap);
1d1fc8a7 1205 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1206
1207 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1208 interface->capability |= ACER_CAP_WIRELESS;
1209 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1210 interface->capability |= ACER_CAP_THREEG;
1211 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1212 interface->capability |= ACER_CAP_BLUETOOTH;
34b6cfab
LCY		 1213
1214 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1215}
1216
745a5d21
CC		 1217static acpi_status WMID_set_capabilities(void)
1218{
1219 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1220 union acpi_object *obj;
1221 acpi_status status;
1222 u32 devices;
1223
1224 status = wmi_query_block(WMID_GUID2, 1, &out);
1225 if (ACPI_FAILURE(status))
1226 return status;
1227
1228 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1229 if (obj) {
1230 if (obj->type == ACPI_TYPE_BUFFER &&
1231 (obj->buffer.length == sizeof(u32) ||
1232 obj->buffer.length == sizeof(u64))) {
1233 devices = *((u32 *) obj->buffer.pointer);
1234 } else if (obj->type == ACPI_TYPE_INTEGER) {
1235 devices = (u32) obj->integer.value;
f24c96ea
LCY		 1236 } else {
1237 kfree(out.pointer);
1238 return AE_ERROR;
f20aaba9 1239 }
745a5d21 1240 } else {
66904863 1241 kfree(out.pointer);
745a5d21
CC		 1242 return AE_ERROR;
1243 }
1244
1fbc01a7
LCY		 1245 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1246 if (devices & 0x07)
1247 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1248 if (devices & 0x40)
1249 interface->capability |= ACER_CAP_THREEG;
1250 if (devices & 0x10)
1251 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1252
745a5d21
CC		 1253 if (!(devices & 0x20))
1254 max_brightness = 0x9;
1255
66904863 1256 kfree(out.pointer);
745a5d21
CC		 1257 return status;
1258}
1259
1260static struct wmi_interface wmid_interface = {
1261 .type = ACER_WMID,
1262};
1263
72e71de1
LCY		 1264static struct wmi_interface wmid_v2_interface = {
1265 .type = ACER_WMID_v2,
1266};
1267
745a5d21
CC		 1268/*
1269 * Generic Device (interface-independent)
1270 */
1271
1272static acpi_status get_u32(u32 *value, u32 cap)
1273{
08237974 1274 acpi_status status = AE_ERROR;
745a5d21
CC		 1275
1276 switch (interface->type) {
1277 case ACER_AMW0:
38db157d 1278 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1279 break;
1280 case ACER_AMW0_V2:
1281 if (cap == ACER_CAP_MAILLED) {
38db157d 1282 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1283 break;
1284 }
1285 case ACER_WMID:
38db157d 1286 status = WMID_get_u32(value, cap);
745a5d21 1287 break;
72e71de1
LCY		 1288 case ACER_WMID_v2:
1289 if (cap & (ACER_CAP_WIRELESS |
1290 ACER_CAP_BLUETOOTH |
1291 ACER_CAP_THREEG))
1292 status = wmid_v2_get_u32(value, cap);
1293 else if (wmi_has_guid(WMID_GUID2))
38db157d 1294 status = WMID_get_u32(value, cap);
72e71de1 1295 break;
745a5d21
CC		 1296 }
1297
1298 return status;
1299}
1300
1301static acpi_status set_u32(u32 value, u32 cap)
1302{
5c742b45
CC		 1303 acpi_status status;
1304
745a5d21
CC		 1305 if (interface->capability & cap) {
1306 switch (interface->type) {
1307 case ACER_AMW0:
38db157d 1308 return AMW0_set_u32(value, cap);
745a5d21 1309 case ACER_AMW0_V2:
5c742b45 1310 if (cap == ACER_CAP_MAILLED)
38db157d 1311 return AMW0_set_u32(value, cap);
5c742b45
CC		 1312
1313 /*
1314 * On some models, some WMID methods don't toggle
1315 * properly. For those cases, we want to run the AMW0
1316 * method afterwards to be certain we've really toggled
1317 * the device state.
1318 */
1319 if (cap == ACER_CAP_WIRELESS ||
1320 cap == ACER_CAP_BLUETOOTH) {
38db157d 1321 status = WMID_set_u32(value, cap);
5c742b45
CC		 1322 if (ACPI_FAILURE(status))
1323 return status;
1324
38db157d 1325 return AMW0_set_u32(value, cap);
5c742b45 1326 }
745a5d21 1327 case ACER_WMID:
38db157d 1328 return WMID_set_u32(value, cap);
72e71de1
LCY		 1329 case ACER_WMID_v2:
1330 if (cap & (ACER_CAP_WIRELESS |
1331 ACER_CAP_BLUETOOTH |
1332 ACER_CAP_THREEG))
1333 return wmid_v2_set_u32(value, cap);
1334 else if (wmi_has_guid(WMID_GUID2))
38db157d 1335 return WMID_set_u32(value, cap);
745a5d21
CC		 1336 default:
1337 return AE_BAD_PARAMETER;
1338 }
1339 }
1340 return AE_BAD_PARAMETER;
1341}
1342
1343static void __init acer_commandline_init(void)
1344{
1345 /*
1346 * These will all fail silently if the value given is invalid, or the
1347 * capability isn't available on the given interface
1348 */
c2647b5e
LCY		 1349 if (mailled >= 0)
1350 set_u32(mailled, ACER_CAP_MAILLED);
1351 if (!has_type_aa && threeg >= 0)
6c3df88f 1352 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1353 if (brightness >= 0)
1354 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1355}
1356
1357/*
1358 * LED device (Mail LED only, no other LEDs known yet)
1359 */
1360static void mail_led_set(struct led_classdev *led_cdev,
1361enum led_brightness value)
1362{
1363 set_u32(value, ACER_CAP_MAILLED);
1364}
1365
1366static struct led_classdev mail_led = {
343c0042 1367 .name = "acer-wmi::mail",
745a5d21
CC		 1368 .brightness_set = mail_led_set,
1369};
1370
b859f159 1371static int acer_led_init(struct device *dev)
745a5d21
CC		 1372{
1373 return led_classdev_register(dev, &mail_led);
1374}
1375
1376static void acer_led_exit(void)
1377{
9a0b74fd 1378 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1379 led_classdev_unregister(&mail_led);
1380}
1381
1382/*
1383 * Backlight device
1384 */
1385static struct backlight_device *acer_backlight_device;
1386
1387static int read_brightness(struct backlight_device *bd)
1388{
1389 u32 value;
1390 get_u32(&value, ACER_CAP_BRIGHTNESS);
1391 return value;
1392}
1393
1394static int update_bl_status(struct backlight_device *bd)
1395{
f2b585b4
CC		 1396 int intensity = bd->props.brightness;
1397
1398 if (bd->props.power != FB_BLANK_UNBLANK)
1399 intensity = 0;
1400 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1401 intensity = 0;
1402
1403 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1404
745a5d21
CC		 1405 return 0;
1406}
1407
acc2472e 1408static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1409 .get_brightness = read_brightness,
1410 .update_status = update_bl_status,
1411};
1412
b859f159 1413static int acer_backlight_init(struct device *dev)
745a5d21 1414{
a19a6ee6 1415 struct backlight_properties props;
745a5d21
CC		 1416 struct backlight_device *bd;
1417
a19a6ee6 1418 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1419 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1420 props.max_brightness = max_brightness;
1421 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1422 &props);
745a5d21 1423 if (IS_ERR(bd)) {
cae15702 1424 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1425 acer_backlight_device = NULL;
1426 return PTR_ERR(bd);
1427 }
1428
1429 acer_backlight_device = bd;
1430
f2b585b4 1431 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1432 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1433 backlight_update_status(bd);
1434 return 0;
1435}
1436
7560e385 1437static void acer_backlight_exit(void)
745a5d21
CC		 1438{
1439 backlight_device_unregister(acer_backlight_device);
1440}
1441
1eb3fe1d
MV		 1442/*
1443 * Accelerometer device
1444 */
1445static acpi_handle gsensor_handle;
1446
1447static int acer_gsensor_init(void)
1448{
1449 acpi_status status;
1450 struct acpi_buffer output;
1451 union acpi_object out_obj;
1452
1453 output.length = sizeof(out_obj);
1454 output.pointer = &out_obj;
1455 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1456 if (ACPI_FAILURE(status))
1457 return -1;
1458
1459 return 0;
1460}
1461
1462static int acer_gsensor_open(struct input_dev *input)
1463{
1464 return acer_gsensor_init();
1465}
1466
1467static int acer_gsensor_event(void)
1468{
1469 acpi_status status;
1470 struct acpi_buffer output;
1471 union acpi_object out_obj[5];
1472
1473 if (!has_cap(ACER_CAP_ACCEL))
1474 return -1;
1475
1476 output.length = sizeof(out_obj);
1477 output.pointer = out_obj;
1478
1479 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1480 if (ACPI_FAILURE(status))
1481 return -1;
1482
1483 if (out_obj->package.count != 4)
1484 return -1;
1485
1486 input_report_abs(acer_wmi_accel_dev, ABS_X,
1487 (s16)out_obj->package.elements[0].integer.value);
1488 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1489 (s16)out_obj->package.elements[1].integer.value);
1490 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1491 (s16)out_obj->package.elements[2].integer.value);
1492 input_sync(acer_wmi_accel_dev);
1493 return 0;
1494}
1495
0606e1ab
CC		 1496/*
1497 * Rfkill devices
1498 */
0606e1ab
CC		 1499static void acer_rfkill_update(struct work_struct *ignored);
1500static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1501static void acer_rfkill_update(struct work_struct *ignored)
1502{
1503 u32 state;
1504 acpi_status status;
1505
1709adab
LCY		 1506 if (has_cap(ACER_CAP_WIRELESS)) {
1507 status = get_u32(&state, ACER_CAP_WIRELESS);
1508 if (ACPI_SUCCESS(status)) {
1509 if (quirks->wireless == 3)
1510 rfkill_set_hw_state(wireless_rfkill, !state);
1511 else
1512 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1513 }
1514 }
0606e1ab
CC		 1515
1516 if (has_cap(ACER_CAP_BLUETOOTH)) {
1517 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1518 if (ACPI_SUCCESS(status))
a878417c 1519 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1520 }
1521
b3c9092b 1522 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1523 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1524 if (ACPI_SUCCESS(status))
1525 rfkill_set_sw_state(threeg_rfkill, !state);
1526 }
1527
ae3a1b46 1528 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1529}
1530
19d337df 1531static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1532{
1533 acpi_status status;
19d337df 1534 u32 cap = (unsigned long)data;
8215af01
LCY		 1535
1536 if (rfkill_inited) {
72e71de1 1537 status = set_u32(!blocked, cap);
8215af01
LCY		 1538 if (ACPI_FAILURE(status))
1539 return -ENODEV;
1540 }
1541
0606e1ab
CC		 1542 return 0;
1543}
1544
19d337df
JB		 1545static const struct rfkill_ops acer_rfkill_ops = {
1546 .set_block = acer_rfkill_set,
1547};
1548
1549static struct rfkill *acer_rfkill_register(struct device *dev,
1550 enum rfkill_type type,
1551 char *name, u32 cap)
0606e1ab
CC		 1552{
1553 int err;
0606e1ab 1554 struct rfkill *rfkill_dev;
466449cf
LCY		 1555 u32 state;
1556 acpi_status status;
0606e1ab 1557
19d337df
JB		 1558 rfkill_dev = rfkill_alloc(name, dev, type,
1559 &acer_rfkill_ops,
1560 (void *)(unsigned long)cap);
0606e1ab
CC		 1561 if (!rfkill_dev)
1562 return ERR_PTR(-ENOMEM);
0606e1ab 1563
72e71de1 1564 status = get_u32(&state, cap);
466449cf 1565
0606e1ab
CC		 1566 err = rfkill_register(rfkill_dev);
1567 if (err) {
19d337df 1568 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1569 return ERR_PTR(err);
1570 }
8215af01
LCY		 1571
1572 if (ACPI_SUCCESS(status))
1573 rfkill_set_sw_state(rfkill_dev, !state);
1574
0606e1ab
CC		 1575 return rfkill_dev;
1576}
1577
1578static int acer_rfkill_init(struct device *dev)
1579{
1709adab
LCY		 1580 int err;
1581
1582 if (has_cap(ACER_CAP_WIRELESS)) {
1583 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1584 "acer-wireless", ACER_CAP_WIRELESS);
1585 if (IS_ERR(wireless_rfkill)) {
1586 err = PTR_ERR(wireless_rfkill);
1587 goto error_wireless;
1588 }
1589 }
0606e1ab
CC		 1590
1591 if (has_cap(ACER_CAP_BLUETOOTH)) {
1592 bluetooth_rfkill = acer_rfkill_register(dev,
1593 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1594 ACER_CAP_BLUETOOTH);
1595 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1596 err = PTR_ERR(bluetooth_rfkill);
1597 goto error_bluetooth;
0606e1ab
CC		 1598 }
1599 }
1600
b3c9092b
LCY		 1601 if (has_cap(ACER_CAP_THREEG)) {
1602 threeg_rfkill = acer_rfkill_register(dev,
1603 RFKILL_TYPE_WWAN, "acer-threeg",
1604 ACER_CAP_THREEG);
1605 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1606 err = PTR_ERR(threeg_rfkill);
1607 goto error_threeg;
b3c9092b
LCY		 1608 }
1609 }
1610
8215af01
LCY		 1611 rfkill_inited = true;
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
LCY		 1615 schedule_delayed_work(&acer_rfkill_work,
1616 round_jiffies_relative(HZ));
0606e1ab
CC		 1617
1618 return 0;
1709adab
LCY		 1619
1620error_threeg:
1621 if (has_cap(ACER_CAP_BLUETOOTH)) {
1622 rfkill_unregister(bluetooth_rfkill);
1623 rfkill_destroy(bluetooth_rfkill);
1624 }
1625error_bluetooth:
1626 if (has_cap(ACER_CAP_WIRELESS)) {
1627 rfkill_unregister(wireless_rfkill);
1628 rfkill_destroy(wireless_rfkill);
1629 }
1630error_wireless:
1631 return err;
0606e1ab
CC		 1632}
1633
1634static void acer_rfkill_exit(void)
1635{
1709adab
LCY		 1636 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1637 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1638 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1639
1709adab
LCY		 1640 if (has_cap(ACER_CAP_WIRELESS)) {
1641 rfkill_unregister(wireless_rfkill);
1642 rfkill_destroy(wireless_rfkill);
1643 }
19d337df 1644
0606e1ab 1645 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1646 rfkill_unregister(bluetooth_rfkill);
19d337df 1647 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1648 }
b3c9092b
LCY		 1649
1650 if (has_cap(ACER_CAP_THREEG)) {
1651 rfkill_unregister(threeg_rfkill);
1652 rfkill_destroy(threeg_rfkill);
1653 }
0606e1ab
CC		 1654 return;
1655}
1656
745a5d21 1657/*
7d9a06de 1658 * sysfs interface
745a5d21 1659 */
7d9a06de
CC		 1660static ssize_t show_bool_threeg(struct device *dev,
1661 struct device_attribute *attr, char *buf)
1662{
745a5d21 1663 u32 result; \
b3c9092b 1664 acpi_status status;
7b8aca65 1665
6e71f38b
JP		 1666 pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
1667 current->comm);
72e71de1 1668 status = get_u32(&result, ACER_CAP_THREEG);
7d9a06de
CC		 1669 if (ACPI_SUCCESS(status))
1670 return sprintf(buf, "%u\n", result);
1671 return sprintf(buf, "Read error\n");
1672}
1673
1674static ssize_t set_bool_threeg(struct device *dev,
1675 struct device_attribute *attr, const char *buf, size_t count)
1676{
1677 u32 tmp = simple_strtoul(buf, NULL, 10);
1678 acpi_status status = set_u32(tmp, ACER_CAP_THREEG);
6e71f38b
JP		 1679 pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
1680 current->comm);
7b8aca65
LCY		 1681 if (ACPI_FAILURE(status))
1682 return -EINVAL;
7d9a06de
CC		 1683 return count;
1684}
b80b168f 1685static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg,
7d9a06de 1686 set_bool_threeg);
745a5d21 1687
745a5d21
CC		 1688static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
1689 char *buf)
1690{
6e71f38b
JP		 1691 pr_info("This interface sysfs will be removed in 2012 - used by: %s\n",
1692 current->comm);
745a5d21
CC		 1693 switch (interface->type) {
1694 case ACER_AMW0:
1695 return sprintf(buf, "AMW0\n");
1696 case ACER_AMW0_V2:
1697 return sprintf(buf, "AMW0 v2\n");
1698 case ACER_WMID:
1699 return sprintf(buf, "WMID\n");
72e71de1
LCY		 1700 case ACER_WMID_v2:
1701 return sprintf(buf, "WMID v2\n");
745a5d21
CC		 1702 default:
1703 return sprintf(buf, "Error!\n");
1704 }
1705}
1706
370525df 1707static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL);
745a5d21 1708
3fdca87d
LCY		 1709static void acer_wmi_notify(u32 value, void *context)
1710{
1711 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1712 union acpi_object *obj;
1713 struct event_return_value return_value;
1714 acpi_status status;
92530664
SF		 1715 u16 device_state;
1716 const struct key_entry *key;
8e2286ce 1717 u32 scancode;
3fdca87d
LCY		 1718
1719 status = wmi_get_event_data(value, &response);
1720 if (status != AE_OK) {
249c720d 1721 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1722 return;
1723 }
1724
1725 obj = (union acpi_object *)response.pointer;
1726
1727 if (!obj)
1728 return;
1729 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1730 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1731 kfree(obj);
1732 return;
1733 }
1734 if (obj->buffer.length != 8) {
249c720d 1735 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1736 kfree(obj);
1737 return;
1738 }
1739
1740 return_value = *((struct event_return_value *)obj->buffer.pointer);
1741 kfree(obj);
1742
1743 switch (return_value.function) {
1744 case WMID_HOTKEY_EVENT:
92530664
SF		 1745 device_state = return_value.device_state;
1746 pr_debug("device state: 0x%x\n", device_state);
1747
1748 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1749 return_value.key_num);
1750 if (!key) {
249c720d 1751 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1752 return_value.key_num);
92530664 1753 } else {
8e2286ce 1754 scancode = return_value.key_num;
92530664
SF		 1755 switch (key->keycode) {
1756 case KEY_WLAN:
1757 case KEY_BLUETOOTH:
1758 if (has_cap(ACER_CAP_WIRELESS))
1759 rfkill_set_sw_state(wireless_rfkill,
1760 !(device_state & ACER_WMID3_GDS_WIRELESS));
1761 if (has_cap(ACER_CAP_THREEG))
1762 rfkill_set_sw_state(threeg_rfkill,
1763 !(device_state & ACER_WMID3_GDS_THREEG));
1764 if (has_cap(ACER_CAP_BLUETOOTH))
1765 rfkill_set_sw_state(bluetooth_rfkill,
1766 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1767 break;
8e2286ce
LCY		 1768 case KEY_TOUCHPAD_TOGGLE:
1769 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1770 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1771 }
8e2286ce 1772 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1773 }
3fdca87d 1774 break;
1eb3fe1d
MV		 1775 case WMID_ACCEL_EVENT:
1776 acer_gsensor_event();
1777 break;
3fdca87d 1778 default:
249c720d 1779 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1780 return_value.function, return_value.key_num);
1781 break;
1782 }
1783}
1784
59ccf2f3
FLCY		 1785static acpi_status
1786wmid3_set_lm_mode(struct lm_input_params *params,
1787 struct lm_return_value *return_value)
1788{
1789 acpi_status status;
1790 union acpi_object *obj;
1791
1792 struct acpi_buffer input = { sizeof(struct lm_input_params), params };
1793 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1794
1795 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1796 if (ACPI_FAILURE(status))
1797 return status;
1798
1799 obj = output.pointer;
1800
1801 if (!obj)
1802 return AE_ERROR;
1803 else if (obj->type != ACPI_TYPE_BUFFER) {
1804 kfree(obj);
1805 return AE_ERROR;
1806 }
1807 if (obj->buffer.length != 4) {
249c720d 1808 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1809 kfree(obj);
1810 return AE_ERROR;
1811 }
1812
1813 *return_value = *((struct lm_return_value *)obj->buffer.pointer);
1814 kfree(obj);
1815
1816 return status;
1817}
1818
1819static int acer_wmi_enable_ec_raw(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 = 0x00, /* Launch Manager Deactive */
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 EC raw mode failed: 0x%x - 0x%x\n",
1834 return_value.error_code,
1835 return_value.ec_return_value);
59ccf2f3 1836 else
249c720d 1837 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1838
1839 return status;
1840}
1841
1842static int acer_wmi_enable_lm(void)
1843{
1844 struct lm_return_value return_value;
1845 acpi_status status;
1846 struct lm_input_params params = {
1847 .function_num = 0x1,
1848 .commun_devices = 0xFFFF,
1849 .devices = 0xFFFF,
1850 .lm_status = 0x01, /* Launch Manager Active */
1851 };
1852
1853 status = wmid3_set_lm_mode(&params, &return_value);
1854
1855 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1856 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1857 return_value.error_code,
1858 return_value.ec_return_value);
59ccf2f3
FLCY		 1859
1860 return status;
1861}
1862
9b2b8b09
CYL		 1863#define ACER_WMID_ACCEL_HID "BST0001"
1864
1eb3fe1d
MV		 1865static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1866 void *ctx, void **retval)
1867{
9b2b8b09
CYL		 1868 struct acpi_device *dev;
1869
1870 if (!strcmp(ctx, "SENR")) {
1871 if (acpi_bus_get_device(ah, &dev))
1872 return AE_OK;
c9b40c2b 1873 if (strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev)))
9b2b8b09
CYL		 1874 return AE_OK;
1875 } else
1876 return AE_OK;
1877
1eb3fe1d 1878 *(acpi_handle *)retval = ah;
9b2b8b09
CYL		 1879
1880 return AE_CTRL_TERMINATE;
1eb3fe1d
MV		 1881}
1882
1883static int __init acer_wmi_get_handle(const char *name, const char *prop,
1884 acpi_handle *ah)
1885{
1886 acpi_status status;
1887 acpi_handle handle;
1888
1889 BUG_ON(!name || !ah);
1890
24237c43 1891 handle = NULL;
1eb3fe1d
MV		 1892 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1893 (void *)name, &handle);
c9b40c2b 1894 if (ACPI_SUCCESS(status) && handle) {
1eb3fe1d
MV		 1895 *ah = handle;
1896 return 0;
1897 } else {
1898 return -ENODEV;
1899 }
1900}
1901
1902static int __init acer_wmi_accel_setup(void)
1903{
1904 int err;
1905
9b2b8b09 1906 err = acer_wmi_get_handle("SENR", ACER_WMID_ACCEL_HID, &gsensor_handle);
1eb3fe1d
MV		 1907 if (err)
1908 return err;
1909
1910 interface->capability |= ACER_CAP_ACCEL;
1911
1912 acer_wmi_accel_dev = input_allocate_device();
1913 if (!acer_wmi_accel_dev)
1914 return -ENOMEM;
1915
1916 acer_wmi_accel_dev->open = acer_gsensor_open;
1917
1918 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1919 acer_wmi_accel_dev->phys = "wmi/input1";
1920 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1921 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1922 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1923 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1924 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1925
1926 err = input_register_device(acer_wmi_accel_dev);
1927 if (err)
1928 goto err_free_dev;
1929
1930 return 0;
1931
1932err_free_dev:
1933 input_free_device(acer_wmi_accel_dev);
1934 return err;
1935}
1936
1937static void acer_wmi_accel_destroy(void)
1938{
1939 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1940}
1941
3fdca87d
LCY		 1942static int __init acer_wmi_input_setup(void)
1943{
1944 acpi_status status;
1945 int err;
1946
1947 acer_wmi_input_dev = input_allocate_device();
1948 if (!acer_wmi_input_dev)
1949 return -ENOMEM;
1950
1951 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1952 acer_wmi_input_dev->phys = "wmi/input0";
1953 acer_wmi_input_dev->id.bustype = BUS_HOST;
1954
1955 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1956 if (err)
1957 goto err_free_dev;
1958
1959 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1960 acer_wmi_notify, NULL);
1961 if (ACPI_FAILURE(status)) {
1962 err = -EIO;
1963 goto err_free_keymap;
1964 }
1965
1966 err = input_register_device(acer_wmi_input_dev);
1967 if (err)
1968 goto err_uninstall_notifier;
1969
1970 return 0;
1971
1972err_uninstall_notifier:
1973 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1974err_free_keymap:
1975 sparse_keymap_free(acer_wmi_input_dev);
1976err_free_dev:
1977 input_free_device(acer_wmi_input_dev);
1978 return err;
1979}
1980
1981static void acer_wmi_input_destroy(void)
1982{
1983 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1984 sparse_keymap_free(acer_wmi_input_dev);
1985 input_unregister_device(acer_wmi_input_dev);
1986}
1987
81143522
CC		 1988/*
1989 * debugfs functions
1990 */
1991static u32 get_wmid_devices(void)
1992{
1993 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1994 union acpi_object *obj;
1995 acpi_status status;
66904863 1996 u32 devices = 0;
81143522
CC		 1997
1998 status = wmi_query_block(WMID_GUID2, 1, &out);
1999 if (ACPI_FAILURE(status))
2000 return 0;
2001
2002 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 2003 if (obj) {
2004 if (obj->type == ACPI_TYPE_BUFFER &&
2005 (obj->buffer.length == sizeof(u32) ||
2006 obj->buffer.length == sizeof(u64))) {
2007 devices = *((u32 *) obj->buffer.pointer);
2008 } else if (obj->type == ACPI_TYPE_INTEGER) {
2009 devices = (u32) obj->integer.value;
2010 }
81143522 2011 }
66904863
AL		 2012
2013 kfree(out.pointer);
2014 return devices;
81143522
CC		 2015}
2016
745a5d21
CC		 2017/*
2018 * Platform device
2019 */
b859f159 2020static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 2021{
2022 int err;
2023
2024 if (has_cap(ACER_CAP_MAILLED)) {
2025 err = acer_led_init(&device->dev);
2026 if (err)
2027 goto error_mailled;
2028 }
2029
2030 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2031 err = acer_backlight_init(&device->dev);
2032 if (err)
2033 goto error_brightness;
2034 }
2035
0606e1ab 2036 err = acer_rfkill_init(&device->dev);
350e3290
AW		 2037 if (err)
2038 goto error_rfkill;
0606e1ab
CC		 2039
2040 return err;
745a5d21 2041
350e3290
AW		 2042error_rfkill:
2043 if (has_cap(ACER_CAP_BRIGHTNESS))
2044 acer_backlight_exit();
745a5d21 2045error_brightness:
350e3290
AW		 2046 if (has_cap(ACER_CAP_MAILLED))
2047 acer_led_exit();
745a5d21
CC		 2048error_mailled:
2049 return err;
2050}
2051
2052static int acer_platform_remove(struct platform_device *device)
2053{
2054 if (has_cap(ACER_CAP_MAILLED))
2055 acer_led_exit();
2056 if (has_cap(ACER_CAP_BRIGHTNESS))
2057 acer_backlight_exit();
0606e1ab
CC		 2058
2059 acer_rfkill_exit();
745a5d21
CC		 2060 return 0;
2061}
2062
3c33be0b 2063static int acer_suspend(struct device *dev)
745a5d21
CC		 2064{
2065 u32 value;
2066 struct acer_data *data = &interface->data;
2067
2068 if (!data)
2069 return -ENOMEM;
2070
745a5d21
CC		 2071 if (has_cap(ACER_CAP_MAILLED)) {
2072 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2073 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2074 data->mailled = value;
2075 }
2076
2077 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2078 get_u32(&value, ACER_CAP_BRIGHTNESS);
2079 data->brightness = value;
2080 }
2081
2082 return 0;
2083}
2084
3c33be0b 2085static int acer_resume(struct device *dev)
745a5d21
CC		 2086{
2087 struct acer_data *data = &interface->data;
2088
2089 if (!data)
2090 return -ENOMEM;
2091
745a5d21
CC		 2092 if (has_cap(ACER_CAP_MAILLED))
2093 set_u32(data->mailled, ACER_CAP_MAILLED);
2094
2095 if (has_cap(ACER_CAP_BRIGHTNESS))
2096 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2097
1eb3fe1d
MV		 2098 if (has_cap(ACER_CAP_ACCEL))
2099 acer_gsensor_init();
2100
745a5d21
CC		 2101 return 0;
2102}
2103
3c33be0b
RW		 2104static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2105
9a0b74fd
PR		 2106static void acer_platform_shutdown(struct platform_device *device)
2107{
2108 struct acer_data *data = &interface->data;
2109
2110 if (!data)
2111 return;
2112
2113 if (has_cap(ACER_CAP_MAILLED))
2114 set_u32(LED_OFF, ACER_CAP_MAILLED);
2115}
2116
745a5d21
CC		 2117static struct platform_driver acer_platform_driver = {
2118 .driver = {
2119 .name = "acer-wmi",
2120 .owner = THIS_MODULE,
3c33be0b 2121 .pm = &acer_pm,
745a5d21
CC		 2122 },
2123 .probe = acer_platform_probe,
2124 .remove = acer_platform_remove,
9a0b74fd 2125 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2126};
2127
2128static struct platform_device *acer_platform_device;
2129
2130static int remove_sysfs(struct platform_device *device)
2131{
745a5d21
CC		 2132 if (has_cap(ACER_CAP_THREEG))
2133 device_remove_file(&device->dev, &dev_attr_threeg);
2134
2135 device_remove_file(&device->dev, &dev_attr_interface);
2136
2137 return 0;
2138}
2139
2140static int create_sysfs(void)
2141{
2142 int retval = -ENOMEM;
2143
745a5d21
CC		 2144 if (has_cap(ACER_CAP_THREEG)) {
2145 retval = device_create_file(&acer_platform_device->dev,
2146 &dev_attr_threeg);
2147 if (retval)
2148 goto error_sysfs;
2149 }
2150
2151 retval = device_create_file(&acer_platform_device->dev,
2152 &dev_attr_interface);
2153 if (retval)
2154 goto error_sysfs;
2155
2156 return 0;
2157
2158error_sysfs:
2159 remove_sysfs(acer_platform_device);
2160 return retval;
2161}
2162
81143522
CC		 2163static void remove_debugfs(void)
2164{
2165 debugfs_remove(interface->debug.devices);
2166 debugfs_remove(interface->debug.root);
2167}
2168
2169static int create_debugfs(void)
2170{
2171 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2172 if (!interface->debug.root) {
cae15702 2173 pr_err("Failed to create debugfs directory");
81143522
CC		 2174 return -ENOMEM;
2175 }
2176
2177 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2178 interface->debug.root,
2179 &interface->debug.wmid_devices);
2180 if (!interface->debug.devices)
2181 goto error_debugfs;
2182
2183 return 0;
2184
2185error_debugfs:
39dbbb45 2186 remove_debugfs();
81143522
CC		 2187 return -ENOMEM;
2188}
2189
745a5d21
CC		 2190static int __init acer_wmi_init(void)
2191{
2192 int err;
2193
cae15702 2194 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2195
a74dd5fd 2196 if (dmi_check_system(acer_blacklist)) {
cae15702 2197 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2198 return -ENODEV;
2199 }
2200
9991d9f2
CC		 2201 find_quirks();
2202
745a5d21
CC		 2203 /*
2204 * Detect which ACPI-WMI interface we're using.
2205 */
2206 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2207 interface = &AMW0_V2_interface;
2208
2209 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2210 interface = &wmid_interface;
2211
72e71de1
LCY		 2212 if (wmi_has_guid(WMID_GUID3))
2213 interface = &wmid_v2_interface;
2214
2215 if (interface)
2216 dmi_walk(type_aa_dmi_decode, NULL);
2217
745a5d21 2218 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2219 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2220 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2221 return -ENODEV;
2222 }
72e71de1
LCY		 2223 /* WMID always provides brightness methods */
2224 interface->capability |= ACER_CAP_BRIGHTNESS;
2225 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2226 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2227 return -ENODEV;
2228 }
2229
2230 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2231 interface = &AMW0_interface;
2232
2233 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2234 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2235 return -ENODEV;
2236 }
2237 }
2238
9b963c40
CC		 2239 if (wmi_has_guid(AMW0_GUID1))
2240 AMW0_find_mailled();
745a5d21 2241
745a5d21 2242 if (!interface) {
cae15702 2243 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2244 return -ENODEV;
2245 }
2246
83097aca
AV		 2247 set_quirks();
2248
a60b2176
CC		 2249 if (dmi_check_system(video_vendor_dmi_table))
2250 acpi_video_dmi_promote_vendor();
72e71de1 2251 if (acpi_video_backlight_support()) {
a60b2176
CC		 2252 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2253 pr_info("Brightness must be controlled by acpi video driver\n");
2254 } else {
a60b2176
CC		 2255 pr_info("Disabling ACPI video driver\n");
2256 acpi_video_unregister();
febf2d95
TR		 2257 }
2258
59ccf2f3
FLCY		 2259 if (wmi_has_guid(WMID_GUID3)) {
2260 if (ec_raw_mode) {
2261 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2262 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2263 return -ENODEV;
2264 }
2265 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2266 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2267 return -ENODEV;
2268 }
2269 } else if (ec_raw_mode) {
cae15702 2270 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2271 }
2272
3fdca87d
LCY		 2273 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2274 err = acer_wmi_input_setup();
2275 if (err)
2276 return err;
9b2b8b09 2277 err = acer_wmi_accel_setup();
c9b40c2b
LCY		 2278 if (err && err != -ENODEV)
2279 pr_warn("Cannot enable accelerometer\n");
3fdca87d
LCY		 2280 }
2281
1c79632b
AL		 2282 err = platform_driver_register(&acer_platform_driver);
2283 if (err) {
6e71f38b 2284 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2285 goto error_platform_register;
2286 }
1c79632b 2287
745a5d21 2288 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2289 if (!acer_platform_device) {
2290 err = -ENOMEM;
2291 goto error_device_alloc;
2292 }
2293
2294 err = platform_device_add(acer_platform_device);
2295 if (err)
2296 goto error_device_add;
745a5d21
CC		 2297
2298 err = create_sysfs();
2299 if (err)
1c79632b 2300 goto error_create_sys;
745a5d21 2301
81143522
CC		 2302 if (wmi_has_guid(WMID_GUID2)) {
2303 interface->debug.wmid_devices = get_wmid_devices();
2304 err = create_debugfs();
2305 if (err)
1c79632b 2306 goto error_create_debugfs;
81143522
CC		 2307 }
2308
745a5d21
CC		 2309 /* Override any initial settings with values from the commandline */
2310 acer_commandline_init();
2311
2312 return 0;
2313
1c79632b
AL		 2314error_create_debugfs:
2315 remove_sysfs(acer_platform_device);
2316error_create_sys:
2317 platform_device_del(acer_platform_device);
2318error_device_add:
2319 platform_device_put(acer_platform_device);
2320error_device_alloc:
2321 platform_driver_unregister(&acer_platform_driver);
745a5d21 2322error_platform_register:
3fdca87d
LCY		 2323 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2324 acer_wmi_input_destroy();
1eb3fe1d
MV		 2325 if (has_cap(ACER_CAP_ACCEL))
2326 acer_wmi_accel_destroy();
3fdca87d 2327
1c79632b 2328 return err;
745a5d21
CC		 2329}
2330
2331static void __exit acer_wmi_exit(void)
2332{
3fdca87d
LCY		 2333 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2334 acer_wmi_input_destroy();
2335
1eb3fe1d
MV		 2336 if (has_cap(ACER_CAP_ACCEL))
2337 acer_wmi_accel_destroy();
2338
745a5d21 2339 remove_sysfs(acer_platform_device);
39dbbb45 2340 remove_debugfs();
97ba0af0 2341 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2342 platform_driver_unregister(&acer_platform_driver);
2343
cae15702 2344 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2345 return;
2346}
2347
2348module_init(acer_wmi_init);
2349module_exit(acer_wmi_exit);
kernel source for telekom puls (alcatel/mediatek)