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