projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
xhci: Add SuperSpeedPlus high bandwidth isoc support to xhci endpoints
[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>
86924de2 44#include <acpi/video.h>
745a5d21
CC		 45
46MODULE_AUTHOR("Carlos Corbacho");
47MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
48MODULE_LICENSE("GPL");
49
745a5d21
CC		 50/*
51 * Magic Number
52 * Meaning is unknown - this number is required for writing to ACPI for AMW0
53 * (it's also used in acerhk when directly accessing the BIOS)
54 */
55#define ACER_AMW0_WRITE 0x9610
56
57/*
58 * Bit masks for the AMW0 interface
59 */
60#define ACER_AMW0_WIRELESS_MASK 0x35
61#define ACER_AMW0_BLUETOOTH_MASK 0x34
62#define ACER_AMW0_MAILLED_MASK 0x31
63
64/*
65 * Method IDs for WMID interface
66 */
67#define ACER_WMID_GET_WIRELESS_METHODID 1
68#define ACER_WMID_GET_BLUETOOTH_METHODID 2
69#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
70#define ACER_WMID_SET_WIRELESS_METHODID 4
71#define ACER_WMID_SET_BLUETOOTH_METHODID 5
72#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
73#define ACER_WMID_GET_THREEG_METHODID 10
74#define ACER_WMID_SET_THREEG_METHODID 11
75
76/*
77 * Acer ACPI method GUIDs
78 */
79#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
5753dd53 80#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
bbb70607 81#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
298f19b2 82#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
b3c9092b 83#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
745a5d21 84
3fdca87d
LCY		 85/*
86 * Acer ACPI event GUIDs
87 */
88#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
89
745a5d21 90MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
08a0799d 91MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
3fdca87d
LCY		 92MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
93
94enum acer_wmi_event_ids {
95 WMID_HOTKEY_EVENT = 0x1,
1eb3fe1d 96 WMID_ACCEL_EVENT = 0x5,
3fdca87d
LCY		 97};
98
87e44849 99static const struct key_entry acer_wmi_keymap[] __initconst = {
3fdca87d 100 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
8ae68de1 101 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
1a04d8ff 102 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
3fdca87d
LCY		 103 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
104 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
105 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
106 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
107 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
67e1d34c 108 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
8ae68de1
MF		 109 {KE_IGNORE, 0x41, {KEY_MUTE} },
110 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
ca1469f5 111 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
8ae68de1 112 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
ca1469f5 113 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
8ae68de1 114 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
ca1469f5 115 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
8ae68de1 116 {KE_IGNORE, 0x45, {KEY_STOP} },
ca1469f5 117 {KE_IGNORE, 0x50, {KEY_STOP} },
8ae68de1
MF		 118 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
119 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
ca1469f5 120 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
8ae68de1
MF		 121 {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
122 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
123 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
3fdca87d 124 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
8ae68de1 125 {KE_IGNORE, 0x81, {KEY_SLEEP} },
8e2286ce
LCY		 126 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
127 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
128 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
8ae68de1 129 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
68825ce2 130 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
3fdca87d
LCY		 131 {KE_END, 0}
132};
133
134static struct input_dev *acer_wmi_input_dev;
1eb3fe1d 135static struct input_dev *acer_wmi_accel_dev;
3fdca87d
LCY		 136
137struct event_return_value {
138 u8 function;
139 u8 key_num;
140 u16 device_state;
141 u32 reserved;
142} __attribute__((packed));
745a5d21 143
b3c9092b
LCY		 144/*
145 * GUID3 Get Device Status device flags
146 */
6c3df88f 147#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
b3c9092b 148#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
6d88ff0f 149#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
6c3df88f 150#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
8e2286ce 151#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
b3c9092b 152
59ccf2f3
FLCY		 153struct lm_input_params {
154 u8 function_num; /* Function Number */
155 u16 commun_devices; /* Communication type devices default status */
156 u16 devices; /* Other type devices default status */
157 u8 lm_status; /* Launch Manager Status */
158 u16 reserved;
159} __attribute__((packed));
160
161struct lm_return_value {
162 u8 error_code; /* Error Code */
163 u8 ec_return_value; /* EC Return Value */
164 u16 reserved;
165} __attribute__((packed));
166
996d23ba
LCY		 167struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
168 u8 function_num; /* Function Number */
169 u8 hotkey_number; /* Hotkey Number */
170 u16 devices; /* Set Device */
171 u8 volume_value; /* Volume Value */
172} __attribute__((packed));
173
174struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
b3c9092b
LCY		 175 u8 function_num; /* Function Number */
176 u8 hotkey_number; /* Hotkey Number */
177 u16 devices; /* Get Device */
178} __attribute__((packed));
179
180struct wmid3_gds_return_value { /* Get Device Status return value*/
181 u8 error_code; /* Error Code */
182 u8 ec_return_value; /* EC Return Value */
183 u16 devices; /* Current Device Status */
184 u32 reserved;
185} __attribute__((packed));
186
6c3df88f
LCY		 187struct hotkey_function_type_aa {
188 u8 type;
189 u8 length;
190 u16 handle;
191 u16 commun_func_bitmap;
34b6cfab
LCY		 192 u16 application_func_bitmap;
193 u16 media_func_bitmap;
194 u16 display_func_bitmap;
195 u16 others_func_bitmap;
196 u8 commun_fn_key_number;
6c3df88f
LCY		 197} __attribute__((packed));
198
745a5d21
CC		 199/*
200 * Interface capability flags
201 */
202#define ACER_CAP_MAILLED (1<<0)
203#define ACER_CAP_WIRELESS (1<<1)
204#define ACER_CAP_BLUETOOTH (1<<2)
205#define ACER_CAP_BRIGHTNESS (1<<3)
206#define ACER_CAP_THREEG (1<<4)
1eb3fe1d 207#define ACER_CAP_ACCEL (1<<5)
745a5d21
CC		 208#define ACER_CAP_ANY (0xFFFFFFFF)
209
210/*
211 * Interface type flags
212 */
213enum interface_flags {
214 ACER_AMW0,
215 ACER_AMW0_V2,
216 ACER_WMID,
72e71de1 217 ACER_WMID_v2,
745a5d21
CC		 218};
219
220#define ACER_DEFAULT_WIRELESS 0
221#define ACER_DEFAULT_BLUETOOTH 0
222#define ACER_DEFAULT_MAILLED 0
223#define ACER_DEFAULT_THREEG 0
224
225static int max_brightness = 0xF;
226
745a5d21
CC		 227static int mailled = -1;
228static int brightness = -1;
229static int threeg = -1;
230static int force_series;
59ccf2f3 231static bool ec_raw_mode;
6c3df88f 232static bool has_type_aa;
1d1fc8a7 233static u16 commun_func_bitmap;
34b6cfab 234static u8 commun_fn_key_number;
745a5d21
CC		 235
236module_param(mailled, int, 0444);
745a5d21
CC		 237module_param(brightness, int, 0444);
238module_param(threeg, int, 0444);
239module_param(force_series, int, 0444);
59ccf2f3 240module_param(ec_raw_mode, bool, 0444);
745a5d21
CC		 241MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
242MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
243MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
244MODULE_PARM_DESC(force_series, "Force a different laptop series");
59ccf2f3 245MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
745a5d21
CC		 246
247struct acer_data {
248 int mailled;
745a5d21
CC		 249 int threeg;
250 int brightness;
251};
252
81143522
CC		 253struct acer_debug {
254 struct dentry *root;
255 struct dentry *devices;
256 u32 wmid_devices;
257};
258
0606e1ab
CC		 259static struct rfkill *wireless_rfkill;
260static struct rfkill *bluetooth_rfkill;
b3c9092b 261static struct rfkill *threeg_rfkill;
8215af01 262static bool rfkill_inited;
0606e1ab 263
745a5d21
CC		 264/* Each low-level interface must define at least some of the following */
265struct wmi_interface {
266 /* The WMI device type */
267 u32 type;
268
269 /* The capabilities this interface provides */
270 u32 capability;
271
272 /* Private data for the current interface */
273 struct acer_data data;
81143522
CC		 274
275 /* debugfs entries associated with this interface */
276 struct acer_debug debug;
745a5d21
CC		 277};
278
279/* The static interface pointer, points to the currently detected interface */
280static struct wmi_interface *interface;
281
282/*
283 * Embedded Controller quirks
284 * Some laptops require us to directly access the EC to either enable or query
285 * features that are not available through WMI.
286 */
287
288struct quirk_entry {
289 u8 wireless;
290 u8 mailled;
9991d9f2 291 s8 brightness;
745a5d21
CC		 292 u8 bluetooth;
293};
294
295static struct quirk_entry *quirks;
296
76d51dd9 297static void __init set_quirks(void)
745a5d21 298{
83097aca
AV		 299 if (!interface)
300 return;
301
745a5d21
CC		 302 if (quirks->mailled)
303 interface->capability |= ACER_CAP_MAILLED;
304
305 if (quirks->brightness)
306 interface->capability |= ACER_CAP_BRIGHTNESS;
307}
308
76d51dd9 309static int __init dmi_matched(const struct dmi_system_id *dmi)
745a5d21
CC		 310{
311 quirks = dmi->driver_data;
d53bf0f3 312 return 1;
745a5d21
CC		 313}
314
315static struct quirk_entry quirk_unknown = {
316};
317
9991d9f2
CC		 318static struct quirk_entry quirk_acer_aspire_1520 = {
319 .brightness = -1,
320};
321
745a5d21
CC		 322static struct quirk_entry quirk_acer_travelmate_2490 = {
323 .mailled = 1,
324};
325
326/* This AMW0 laptop has no bluetooth */
327static struct quirk_entry quirk_medion_md_98300 = {
328 .wireless = 1,
329};
330
6f061ab5
CC		 331static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
332 .wireless = 2,
333};
334
15b956a0
LCY		 335static struct quirk_entry quirk_lenovo_ideapad_s205 = {
336 .wireless = 3,
337};
338
a74dd5fd 339/* The Aspire One has a dummy ACPI-WMI interface - disable it */
76d51dd9 340static const struct dmi_system_id acer_blacklist[] __initconst = {
a74dd5fd
CC		 341 {
342 .ident = "Acer Aspire One (SSD)",
343 .matches = {
344 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
345 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
346 },
347 },
348 {
349 .ident = "Acer Aspire One (HDD)",
350 .matches = {
351 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
352 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
353 },
354 },
355 {}
356};
357
76d51dd9 358static const struct dmi_system_id acer_quirks[] __initconst = {
9991d9f2
CC		 359 {
360 .callback = dmi_matched,
361 .ident = "Acer Aspire 1360",
362 .matches = {
363 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
364 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
365 },
366 .driver_data = &quirk_acer_aspire_1520,
367 },
368 {
369 .callback = dmi_matched,
370 .ident = "Acer Aspire 1520",
371 .matches = {
372 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
374 },
375 .driver_data = &quirk_acer_aspire_1520,
376 },
745a5d21
CC		 377 {
378 .callback = dmi_matched,
379 .ident = "Acer Aspire 3100",
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
382 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
383 },
384 .driver_data = &quirk_acer_travelmate_2490,
385 },
ed9cfe98
CC		 386 {
387 .callback = dmi_matched,
388 .ident = "Acer Aspire 3610",
389 .matches = {
390 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
391 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
392 },
393 .driver_data = &quirk_acer_travelmate_2490,
394 },
745a5d21
CC		 395 {
396 .callback = dmi_matched,
397 .ident = "Acer Aspire 5100",
398 .matches = {
399 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
400 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
401 },
402 .driver_data = &quirk_acer_travelmate_2490,
403 },
ed9cfe98
CC		 404 {
405 .callback = dmi_matched,
406 .ident = "Acer Aspire 5610",
407 .matches = {
408 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
410 },
411 .driver_data = &quirk_acer_travelmate_2490,
412 },
745a5d21
CC		 413 {
414 .callback = dmi_matched,
415 .ident = "Acer Aspire 5630",
416 .matches = {
417 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
418 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
419 },
420 .driver_data = &quirk_acer_travelmate_2490,
421 },
422 {
423 .callback = dmi_matched,
424 .ident = "Acer Aspire 5650",
425 .matches = {
426 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
427 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
428 },
429 .driver_data = &quirk_acer_travelmate_2490,
430 },
431 {
432 .callback = dmi_matched,
433 .ident = "Acer Aspire 5680",
434 .matches = {
435 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
437 },
438 .driver_data = &quirk_acer_travelmate_2490,
439 },
440 {
441 .callback = dmi_matched,
442 .ident = "Acer Aspire 9110",
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
446 },
447 .driver_data = &quirk_acer_travelmate_2490,
448 },
449 {
450 .callback = dmi_matched,
451 .ident = "Acer TravelMate 2490",
452 .matches = {
453 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
454 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
455 },
456 .driver_data = &quirk_acer_travelmate_2490,
457 },
262ee35b
CC		 458 {
459 .callback = dmi_matched,
460 .ident = "Acer TravelMate 4200",
461 .matches = {
462 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
464 },
465 .driver_data = &quirk_acer_travelmate_2490,
466 },
6f061ab5
CC		 467 {
468 .callback = dmi_matched,
469 .ident = "Fujitsu Siemens Amilo Li 1718",
470 .matches = {
471 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
473 },
474 .driver_data = &quirk_fujitsu_amilo_li_1718,
475 },
745a5d21
CC		 476 {
477 .callback = dmi_matched,
478 .ident = "Medion MD 98300",
479 .matches = {
480 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
481 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
482 },
483 .driver_data = &quirk_medion_md_98300,
484 },
15b956a0
LCY		 485 {
486 .callback = dmi_matched,
487 .ident = "Lenovo Ideapad S205",
488 .matches = {
489 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
490 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
491 },
492 .driver_data = &quirk_lenovo_ideapad_s205,
493 },
c08f2086
LCY		 494 {
495 .callback = dmi_matched,
496 .ident = "Lenovo Ideapad S205 (Brazos)",
497 .matches = {
498 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
499 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
500 },
501 .driver_data = &quirk_lenovo_ideapad_s205,
502 },
be3128b1
SF		 503 {
504 .callback = dmi_matched,
505 .ident = "Lenovo 3000 N200",
506 .matches = {
507 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
508 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
509 },
510 .driver_data = &quirk_fujitsu_amilo_li_1718,
511 },
e6c33f1f
LCY		 512 {
513 .callback = dmi_matched,
514 .ident = "Lenovo Ideapad S205-10382JG",
515 .matches = {
516 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
517 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
518 },
519 .driver_data = &quirk_lenovo_ideapad_s205,
520 },
5f3511d2
LCY		 521 {
522 .callback = dmi_matched,
523 .ident = "Lenovo Ideapad S205-1038DPG",
524 .matches = {
525 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
526 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
527 },
528 .driver_data = &quirk_lenovo_ideapad_s205,
529 },
745a5d21
CC		 530 {}
531};
532
76d51dd9
MK		 533static int __init
534video_set_backlight_video_vendor(const struct dmi_system_id *d)
86924de2
LCY		 535{
536 interface->capability &= ~ACER_CAP_BRIGHTNESS;
537 pr_info("Brightness must be controlled by generic video driver\n");
538 return 0;
539}
540
76d51dd9 541static const struct dmi_system_id video_vendor_dmi_table[] __initconst = {
86924de2
LCY		 542 {
543 .callback = video_set_backlight_video_vendor,
544 .ident = "Acer TravelMate 4750",
545 .matches = {
546 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
547 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
548 },
549 },
050eff39
LCY		 550 {
551 .callback = video_set_backlight_video_vendor,
552 .ident = "Acer Extensa 5235",
553 .matches = {
554 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
555 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
556 },
557 },
558 {
559 .callback = video_set_backlight_video_vendor,
560 .ident = "Acer TravelMate 5760",
561 .matches = {
562 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
563 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
564 },
565 },
566 {
567 .callback = video_set_backlight_video_vendor,
568 .ident = "Acer Aspire 5750",
569 .matches = {
570 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
571 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
572 },
573 },
9404cd95
HG		 574 {
575 .callback = video_set_backlight_video_vendor,
576 .ident = "Acer Aspire 5741",
577 .matches = {
578 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
579 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
580 },
581 },
183fd8fc
HG		 582 {
583 /*
584 * Note no video_set_backlight_video_vendor, we must use the
585 * acer interface, as there is no native backlight interface.
586 */
587 .ident = "Acer KAV80",
588 .matches = {
589 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
590 DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
591 },
592 },
86924de2
LCY		 593 {}
594};
595
745a5d21 596/* Find which quirks are needed for a particular vendor/ model pair */
76d51dd9 597static void __init find_quirks(void)
745a5d21
CC		 598{
599 if (!force_series) {
600 dmi_check_system(acer_quirks);
601 } else if (force_series == 2490) {
602 quirks = &quirk_acer_travelmate_2490;
603 }
604
605 if (quirks == NULL)
606 quirks = &quirk_unknown;
607
608 set_quirks();
609}
610
611/*
612 * General interface convenience methods
613 */
614
615static bool has_cap(u32 cap)
616{
617 if ((interface->capability & cap) != 0)
618 return 1;
619
620 return 0;
621}
622
623/*
624 * AMW0 (V1) interface
625 */
626struct wmab_args {
627 u32 eax;
628 u32 ebx;
629 u32 ecx;
630 u32 edx;
631};
632
633struct wmab_ret {
634 u32 eax;
635 u32 ebx;
636 u32 ecx;
637 u32 edx;
638 u32 eex;
639};
640
641static acpi_status wmab_execute(struct wmab_args *regbuf,
642struct acpi_buffer *result)
643{
644 struct acpi_buffer input;
645 acpi_status status;
646 input.length = sizeof(struct wmab_args);
647 input.pointer = (u8 *)regbuf;
648
649 status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result);
650
651 return status;
652}
653
38db157d 654static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 655{
656 int err;
657 u8 result;
658
659 switch (cap) {
660 case ACER_CAP_MAILLED:
661 switch (quirks->mailled) {
662 default:
663 err = ec_read(0xA, &result);
664 if (err)
665 return AE_ERROR;
666 *value = (result >> 7) & 0x1;
667 return AE_OK;
668 }
669 break;
670 case ACER_CAP_WIRELESS:
671 switch (quirks->wireless) {
672 case 1:
673 err = ec_read(0x7B, &result);
674 if (err)
675 return AE_ERROR;
676 *value = result & 0x1;
677 return AE_OK;
6f061ab5
CC		 678 case 2:
679 err = ec_read(0x71, &result);
680 if (err)
681 return AE_ERROR;
682 *value = result & 0x1;
683 return AE_OK;
15b956a0
LCY		 684 case 3:
685 err = ec_read(0x78, &result);
686 if (err)
687 return AE_ERROR;
688 *value = result & 0x1;
689 return AE_OK;
745a5d21
CC		 690 default:
691 err = ec_read(0xA, &result);
692 if (err)
693 return AE_ERROR;
694 *value = (result >> 2) & 0x1;
695 return AE_OK;
696 }
697 break;
698 case ACER_CAP_BLUETOOTH:
699 switch (quirks->bluetooth) {
700 default:
701 err = ec_read(0xA, &result);
702 if (err)
703 return AE_ERROR;
704 *value = (result >> 4) & 0x1;
705 return AE_OK;
706 }
707 break;
708 case ACER_CAP_BRIGHTNESS:
709 switch (quirks->brightness) {
710 default:
711 err = ec_read(0x83, &result);
712 if (err)
713 return AE_ERROR;
714 *value = result;
715 return AE_OK;
716 }
717 break;
718 default:
08237974 719 return AE_ERROR;
745a5d21
CC		 720 }
721 return AE_OK;
722}
723
38db157d 724static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 725{
726 struct wmab_args args;
727
728 args.eax = ACER_AMW0_WRITE;
729 args.ebx = value ? (1<<8) : 0;
730 args.ecx = args.edx = 0;
731
732 switch (cap) {
733 case ACER_CAP_MAILLED:
734 if (value > 1)
735 return AE_BAD_PARAMETER;
736 args.ebx |= ACER_AMW0_MAILLED_MASK;
737 break;
738 case ACER_CAP_WIRELESS:
739 if (value > 1)
740 return AE_BAD_PARAMETER;
741 args.ebx |= ACER_AMW0_WIRELESS_MASK;
742 break;
743 case ACER_CAP_BLUETOOTH:
744 if (value > 1)
745 return AE_BAD_PARAMETER;
746 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
747 break;
748 case ACER_CAP_BRIGHTNESS:
749 if (value > max_brightness)
750 return AE_BAD_PARAMETER;
751 switch (quirks->brightness) {
745a5d21 752 default:
4609d029
CC		 753 return ec_write(0x83, value);
754 break;
745a5d21
CC		 755 }
756 default:
08237974 757 return AE_ERROR;
745a5d21
CC		 758 }
759
760 /* Actually do the set */
761 return wmab_execute(&args, NULL);
762}
763
76d51dd9 764static acpi_status __init AMW0_find_mailled(void)
745a5d21
CC		 765{
766 struct wmab_args args;
767 struct wmab_ret ret;
768 acpi_status status = AE_OK;
769 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
770 union acpi_object *obj;
771
772 args.eax = 0x86;
773 args.ebx = args.ecx = args.edx = 0;
774
775 status = wmab_execute(&args, &out);
776 if (ACPI_FAILURE(status))
777 return status;
778
779 obj = (union acpi_object *) out.pointer;
780 if (obj && obj->type == ACPI_TYPE_BUFFER &&
781 obj->buffer.length == sizeof(struct wmab_ret)) {
782 ret = *((struct wmab_ret *) obj->buffer.pointer);
783 } else {
7677fbdf 784 kfree(out.pointer);
745a5d21
CC		 785 return AE_ERROR;
786 }
787
788 if (ret.eex & 0x1)
789 interface->capability |= ACER_CAP_MAILLED;
790
791 kfree(out.pointer);
792
793 return AE_OK;
794}
795
76d51dd9 796static int AMW0_set_cap_acpi_check_device_found __initdata;
461e7437 797
76d51dd9 798static acpi_status __init AMW0_set_cap_acpi_check_device_cb(acpi_handle handle,
461e7437
IP		 799 u32 level, void *context, void **retval)
800{
801 AMW0_set_cap_acpi_check_device_found = 1;
802 return AE_OK;
803}
804
76d51dd9 805static const struct acpi_device_id norfkill_ids[] __initconst = {
461e7437
IP		 806 { "VPC2004", 0},
807 { "IBM0068", 0},
808 { "LEN0068", 0},
5719b819 809 { "SNY5001", 0}, /* sony-laptop in charge */
628b3198 810 { "HPQ6601", 0},
461e7437
IP		 811 { "", 0},
812};
813
76d51dd9 814static int __init AMW0_set_cap_acpi_check_device(void)
461e7437
IP		 815{
816 const struct acpi_device_id *id;
817
818 for (id = norfkill_ids; id->id[0]; id++)
819 acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb,
820 NULL, NULL);
821 return AMW0_set_cap_acpi_check_device_found;
822}
823
76d51dd9 824static acpi_status __init AMW0_set_capabilities(void)
745a5d21
CC		 825{
826 struct wmab_args args;
827 struct wmab_ret ret;
7677fbdf 828 acpi_status status;
745a5d21
CC		 829 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
830 union acpi_object *obj;
831
5753dd53
CC		 832 /*
833 * On laptops with this strange GUID (non Acer), normal probing doesn't
834 * work.
835 */
836 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 837 if ((quirks != &quirk_unknown) ||
838 !AMW0_set_cap_acpi_check_device())
839 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 840 return AE_OK;
841 }
842
745a5d21
CC		 843 args.eax = ACER_AMW0_WRITE;
844 args.ecx = args.edx = 0;
845
846 args.ebx = 0xa2 << 8;
847 args.ebx |= ACER_AMW0_WIRELESS_MASK;
848
849 status = wmab_execute(&args, &out);
850 if (ACPI_FAILURE(status))
851 return status;
852
7677fbdf 853 obj = out.pointer;
745a5d21
CC		 854 if (obj && obj->type == ACPI_TYPE_BUFFER &&
855 obj->buffer.length == sizeof(struct wmab_ret)) {
856 ret = *((struct wmab_ret *) obj->buffer.pointer);
857 } else {
7677fbdf
AL		 858 status = AE_ERROR;
859 goto out;
745a5d21
CC		 860 }
861
862 if (ret.eax & 0x1)
863 interface->capability |= ACER_CAP_WIRELESS;
864
865 args.ebx = 2 << 8;
866 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
867
7677fbdf
AL		 868 /*
869 * It's ok to use existing buffer for next wmab_execute call.
870 * But we need to kfree(out.pointer) if next wmab_execute fail.
871 */
745a5d21
CC		 872 status = wmab_execute(&args, &out);
873 if (ACPI_FAILURE(status))
7677fbdf 874 goto out;
745a5d21
CC		 875
876 obj = (union acpi_object *) out.pointer;
877 if (obj && obj->type == ACPI_TYPE_BUFFER
878 && obj->buffer.length == sizeof(struct wmab_ret)) {
879 ret = *((struct wmab_ret *) obj->buffer.pointer);
880 } else {
7677fbdf
AL		 881 status = AE_ERROR;
882 goto out;
745a5d21
CC		 883 }
884
885 if (ret.eax & 0x1)
886 interface->capability |= ACER_CAP_BLUETOOTH;
887
745a5d21
CC		 888 /*
889 * This appears to be safe to enable, since all Wistron based laptops
890 * appear to use the same EC register for brightness, even if they
891 * differ for wireless, etc
892 */
9991d9f2
CC		 893 if (quirks->brightness >= 0)
894 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 895
7677fbdf
AL		 896 status = AE_OK;
897out:
898 kfree(out.pointer);
899 return status;
745a5d21
CC		 900}
901
902static struct wmi_interface AMW0_interface = {
903 .type = ACER_AMW0,
904};
905
906static struct wmi_interface AMW0_V2_interface = {
907 .type = ACER_AMW0_V2,
908};
909
910/*
911 * New interface (The WMID interface)
912 */
913static acpi_status
914WMI_execute_u32(u32 method_id, u32 in, u32 *out)
915{
916 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
917 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
918 union acpi_object *obj;
f20aaba9 919 u32 tmp = 0;
745a5d21
CC		 920 acpi_status status;
921
922 status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
923
924 if (ACPI_FAILURE(status))
925 return status;
926
927 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 928 if (obj) {
929 if (obj->type == ACPI_TYPE_BUFFER &&
930 (obj->buffer.length == sizeof(u32) ||
931 obj->buffer.length == sizeof(u64))) {
932 tmp = *((u32 *) obj->buffer.pointer);
933 } else if (obj->type == ACPI_TYPE_INTEGER) {
934 tmp = (u32) obj->integer.value;
935 }
745a5d21
CC		 936 }
937
938 if (out)
939 *out = tmp;
940
941 kfree(result.pointer);
942
943 return status;
944}
945
38db157d 946static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 947{
948 acpi_status status;
949 u8 tmp;
950 u32 result, method_id = 0;
951
952 switch (cap) {
953 case ACER_CAP_WIRELESS:
954 method_id = ACER_WMID_GET_WIRELESS_METHODID;
955 break;
956 case ACER_CAP_BLUETOOTH:
957 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
958 break;
959 case ACER_CAP_BRIGHTNESS:
960 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
961 break;
962 case ACER_CAP_THREEG:
963 method_id = ACER_WMID_GET_THREEG_METHODID;
964 break;
965 case ACER_CAP_MAILLED:
966 if (quirks->mailled == 1) {
967 ec_read(0x9f, &tmp);
968 *value = tmp & 0x1;
969 return 0;
970 }
971 default:
08237974 972 return AE_ERROR;
745a5d21
CC		 973 }
974 status = WMI_execute_u32(method_id, 0, &result);
975
976 if (ACPI_SUCCESS(status))
977 *value = (u8)result;
978
979 return status;
980}
981
38db157d 982static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 983{
984 u32 method_id = 0;
985 char param;
986
987 switch (cap) {
988 case ACER_CAP_BRIGHTNESS:
989 if (value > max_brightness)
990 return AE_BAD_PARAMETER;
991 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
992 break;
993 case ACER_CAP_WIRELESS:
994 if (value > 1)
995 return AE_BAD_PARAMETER;
996 method_id = ACER_WMID_SET_WIRELESS_METHODID;
997 break;
998 case ACER_CAP_BLUETOOTH:
999 if (value > 1)
1000 return AE_BAD_PARAMETER;
1001 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1002 break;
1003 case ACER_CAP_THREEG:
1004 if (value > 1)
1005 return AE_BAD_PARAMETER;
1006 method_id = ACER_WMID_SET_THREEG_METHODID;
1007 break;
1008 case ACER_CAP_MAILLED:
1009 if (value > 1)
1010 return AE_BAD_PARAMETER;
1011 if (quirks->mailled == 1) {
1012 param = value ? 0x92 : 0x93;
181d683d 1013 i8042_lock_chip();
745a5d21 1014 i8042_command(&param, 0x1059);
181d683d 1015 i8042_unlock_chip();
745a5d21
CC		 1016 return 0;
1017 }
1018 break;
1019 default:
08237974 1020 return AE_ERROR;
745a5d21
CC		 1021 }
1022 return WMI_execute_u32(method_id, (u32)value, NULL);
1023}
1024
72e71de1
LCY		 1025static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1026{
1027 struct wmid3_gds_return_value return_value;
1028 acpi_status status;
1029 union acpi_object *obj;
996d23ba 1030 struct wmid3_gds_get_input_param params = {
72e71de1 1031 .function_num = 0x1,
34b6cfab 1032 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1033 .devices = device,
1034 };
1035 struct acpi_buffer input = {
996d23ba 1036 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1037 &params
1038 };
1039 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1040
1041 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1042 if (ACPI_FAILURE(status))
1043 return status;
1044
1045 obj = output.pointer;
1046
1047 if (!obj)
1048 return AE_ERROR;
1049 else if (obj->type != ACPI_TYPE_BUFFER) {
1050 kfree(obj);
1051 return AE_ERROR;
1052 }
1053 if (obj->buffer.length != 8) {
1054 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1055 kfree(obj);
1056 return AE_ERROR;
1057 }
1058
1059 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1060 kfree(obj);
1061
1062 if (return_value.error_code || return_value.ec_return_value)
1063 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1064 device,
1065 return_value.error_code,
1066 return_value.ec_return_value);
1067 else
1068 *value = !!(return_value.devices & device);
1069
1070 return status;
1071}
1072
1073static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1074{
1075 u16 device;
1076
1077 switch (cap) {
1078 case ACER_CAP_WIRELESS:
1079 device = ACER_WMID3_GDS_WIRELESS;
1080 break;
1081 case ACER_CAP_BLUETOOTH:
1082 device = ACER_WMID3_GDS_BLUETOOTH;
1083 break;
1084 case ACER_CAP_THREEG:
1085 device = ACER_WMID3_GDS_THREEG;
1086 break;
1087 default:
1088 return AE_ERROR;
1089 }
1090 return wmid3_get_device_status(value, device);
1091}
1092
1093static acpi_status wmid3_set_device_status(u32 value, u16 device)
1094{
1095 struct wmid3_gds_return_value return_value;
1096 acpi_status status;
1097 union acpi_object *obj;
1098 u16 devices;
996d23ba 1099 struct wmid3_gds_get_input_param get_params = {
72e71de1 1100 .function_num = 0x1,
34b6cfab 1101 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1102 .devices = commun_func_bitmap,
72e71de1 1103 };
996d23ba
LCY		 1104 struct acpi_buffer get_input = {
1105 sizeof(struct wmid3_gds_get_input_param),
1106 &get_params
1107 };
1108 struct wmid3_gds_set_input_param set_params = {
1109 .function_num = 0x2,
1110 .hotkey_number = commun_fn_key_number,
1111 .devices = commun_func_bitmap,
1112 };
1113 struct acpi_buffer set_input = {
1114 sizeof(struct wmid3_gds_set_input_param),
1115 &set_params
72e71de1
LCY		 1116 };
1117 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1118 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1119
996d23ba 1120 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1121 if (ACPI_FAILURE(status))
1122 return status;
1123
1124 obj = output.pointer;
1125
1126 if (!obj)
1127 return AE_ERROR;
1128 else if (obj->type != ACPI_TYPE_BUFFER) {
1129 kfree(obj);
1130 return AE_ERROR;
1131 }
1132 if (obj->buffer.length != 8) {
6e71f38b 1133 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1134 kfree(obj);
1135 return AE_ERROR;
1136 }
1137
1138 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1139 kfree(obj);
1140
1141 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1142 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1143 return_value.error_code,
72e71de1
LCY		 1144 return_value.ec_return_value);
1145 return status;
1146 }
1147
1148 devices = return_value.devices;
996d23ba 1149 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1150
996d23ba 1151 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1152 if (ACPI_FAILURE(status))
1153 return status;
1154
1155 obj = output2.pointer;
1156
1157 if (!obj)
1158 return AE_ERROR;
1159 else if (obj->type != ACPI_TYPE_BUFFER) {
1160 kfree(obj);
1161 return AE_ERROR;
1162 }
1163 if (obj->buffer.length != 4) {
6e71f38b 1164 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1165 kfree(obj);
1166 return AE_ERROR;
1167 }
1168
1169 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1170 kfree(obj);
1171
1172 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1173 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1174 return_value.error_code,
72e71de1
LCY		 1175 return_value.ec_return_value);
1176
1177 return status;
1178}
1179
1180static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1181{
1182 u16 device;
1183
1184 switch (cap) {
1185 case ACER_CAP_WIRELESS:
1186 device = ACER_WMID3_GDS_WIRELESS;
1187 break;
1188 case ACER_CAP_BLUETOOTH:
1189 device = ACER_WMID3_GDS_BLUETOOTH;
1190 break;
1191 case ACER_CAP_THREEG:
1192 device = ACER_WMID3_GDS_THREEG;
1193 break;
1194 default:
1195 return AE_ERROR;
1196 }
1197 return wmid3_set_device_status(value, device);
1198}
1199
76d51dd9 1200static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
6c3df88f
LCY		 1201{
1202 struct hotkey_function_type_aa *type_aa;
1203
1204 /* We are looking for OEM-specific Type AAh */
1205 if (header->type != 0xAA)
1206 return;
1207
1208 has_type_aa = true;
1209 type_aa = (struct hotkey_function_type_aa *) header;
1210
cae15702 1211 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1212 type_aa->commun_func_bitmap);
1d1fc8a7 1213 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1214
1215 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1216 interface->capability |= ACER_CAP_WIRELESS;
1217 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1218 interface->capability |= ACER_CAP_THREEG;
1219 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1220 interface->capability |= ACER_CAP_BLUETOOTH;
34b6cfab
LCY		 1221
1222 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1223}
1224
76d51dd9 1225static acpi_status __init WMID_set_capabilities(void)
745a5d21
CC		 1226{
1227 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1228 union acpi_object *obj;
1229 acpi_status status;
1230 u32 devices;
1231
1232 status = wmi_query_block(WMID_GUID2, 1, &out);
1233 if (ACPI_FAILURE(status))
1234 return status;
1235
1236 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1237 if (obj) {
1238 if (obj->type == ACPI_TYPE_BUFFER &&
1239 (obj->buffer.length == sizeof(u32) ||
1240 obj->buffer.length == sizeof(u64))) {
1241 devices = *((u32 *) obj->buffer.pointer);
1242 } else if (obj->type == ACPI_TYPE_INTEGER) {
1243 devices = (u32) obj->integer.value;
f24c96ea
LCY		 1244 } else {
1245 kfree(out.pointer);
1246 return AE_ERROR;
f20aaba9 1247 }
745a5d21 1248 } else {
66904863 1249 kfree(out.pointer);
745a5d21
CC		 1250 return AE_ERROR;
1251 }
1252
1fbc01a7
LCY		 1253 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1254 if (devices & 0x07)
1255 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1256 if (devices & 0x40)
1257 interface->capability |= ACER_CAP_THREEG;
1258 if (devices & 0x10)
1259 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1260
745a5d21
CC		 1261 if (!(devices & 0x20))
1262 max_brightness = 0x9;
1263
66904863 1264 kfree(out.pointer);
745a5d21
CC		 1265 return status;
1266}
1267
1268static struct wmi_interface wmid_interface = {
1269 .type = ACER_WMID,
1270};
1271
72e71de1
LCY		 1272static struct wmi_interface wmid_v2_interface = {
1273 .type = ACER_WMID_v2,
1274};
1275
745a5d21
CC		 1276/*
1277 * Generic Device (interface-independent)
1278 */
1279
1280static acpi_status get_u32(u32 *value, u32 cap)
1281{
08237974 1282 acpi_status status = AE_ERROR;
745a5d21
CC		 1283
1284 switch (interface->type) {
1285 case ACER_AMW0:
38db157d 1286 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1287 break;
1288 case ACER_AMW0_V2:
1289 if (cap == ACER_CAP_MAILLED) {
38db157d 1290 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1291 break;
1292 }
1293 case ACER_WMID:
38db157d 1294 status = WMID_get_u32(value, cap);
745a5d21 1295 break;
72e71de1
LCY		 1296 case ACER_WMID_v2:
1297 if (cap & (ACER_CAP_WIRELESS |
1298 ACER_CAP_BLUETOOTH |
1299 ACER_CAP_THREEG))
1300 status = wmid_v2_get_u32(value, cap);
1301 else if (wmi_has_guid(WMID_GUID2))
38db157d 1302 status = WMID_get_u32(value, cap);
72e71de1 1303 break;
745a5d21
CC		 1304 }
1305
1306 return status;
1307}
1308
1309static acpi_status set_u32(u32 value, u32 cap)
1310{
5c742b45
CC		 1311 acpi_status status;
1312
745a5d21
CC		 1313 if (interface->capability & cap) {
1314 switch (interface->type) {
1315 case ACER_AMW0:
38db157d 1316 return AMW0_set_u32(value, cap);
745a5d21 1317 case ACER_AMW0_V2:
5c742b45 1318 if (cap == ACER_CAP_MAILLED)
38db157d 1319 return AMW0_set_u32(value, cap);
5c742b45
CC		 1320
1321 /*
1322 * On some models, some WMID methods don't toggle
1323 * properly. For those cases, we want to run the AMW0
1324 * method afterwards to be certain we've really toggled
1325 * the device state.
1326 */
1327 if (cap == ACER_CAP_WIRELESS ||
1328 cap == ACER_CAP_BLUETOOTH) {
38db157d 1329 status = WMID_set_u32(value, cap);
5c742b45
CC		 1330 if (ACPI_FAILURE(status))
1331 return status;
1332
38db157d 1333 return AMW0_set_u32(value, cap);
5c742b45 1334 }
745a5d21 1335 case ACER_WMID:
38db157d 1336 return WMID_set_u32(value, cap);
72e71de1
LCY		 1337 case ACER_WMID_v2:
1338 if (cap & (ACER_CAP_WIRELESS |
1339 ACER_CAP_BLUETOOTH |
1340 ACER_CAP_THREEG))
1341 return wmid_v2_set_u32(value, cap);
1342 else if (wmi_has_guid(WMID_GUID2))
38db157d 1343 return WMID_set_u32(value, cap);
745a5d21
CC		 1344 default:
1345 return AE_BAD_PARAMETER;
1346 }
1347 }
1348 return AE_BAD_PARAMETER;
1349}
1350
1351static void __init acer_commandline_init(void)
1352{
1353 /*
1354 * These will all fail silently if the value given is invalid, or the
1355 * capability isn't available on the given interface
1356 */
c2647b5e
LCY		 1357 if (mailled >= 0)
1358 set_u32(mailled, ACER_CAP_MAILLED);
1359 if (!has_type_aa && threeg >= 0)
6c3df88f 1360 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1361 if (brightness >= 0)
1362 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1363}
1364
1365/*
1366 * LED device (Mail LED only, no other LEDs known yet)
1367 */
1368static void mail_led_set(struct led_classdev *led_cdev,
1369enum led_brightness value)
1370{
1371 set_u32(value, ACER_CAP_MAILLED);
1372}
1373
1374static struct led_classdev mail_led = {
343c0042 1375 .name = "acer-wmi::mail",
745a5d21
CC		 1376 .brightness_set = mail_led_set,
1377};
1378
b859f159 1379static int acer_led_init(struct device *dev)
745a5d21
CC		 1380{
1381 return led_classdev_register(dev, &mail_led);
1382}
1383
1384static void acer_led_exit(void)
1385{
9a0b74fd 1386 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1387 led_classdev_unregister(&mail_led);
1388}
1389
1390/*
1391 * Backlight device
1392 */
1393static struct backlight_device *acer_backlight_device;
1394
1395static int read_brightness(struct backlight_device *bd)
1396{
1397 u32 value;
1398 get_u32(&value, ACER_CAP_BRIGHTNESS);
1399 return value;
1400}
1401
1402static int update_bl_status(struct backlight_device *bd)
1403{
f2b585b4
CC		 1404 int intensity = bd->props.brightness;
1405
1406 if (bd->props.power != FB_BLANK_UNBLANK)
1407 intensity = 0;
1408 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1409 intensity = 0;
1410
1411 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1412
745a5d21
CC		 1413 return 0;
1414}
1415
acc2472e 1416static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1417 .get_brightness = read_brightness,
1418 .update_status = update_bl_status,
1419};
1420
b859f159 1421static int acer_backlight_init(struct device *dev)
745a5d21 1422{
a19a6ee6 1423 struct backlight_properties props;
745a5d21
CC		 1424 struct backlight_device *bd;
1425
a19a6ee6 1426 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1427 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1428 props.max_brightness = max_brightness;
1429 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1430 &props);
745a5d21 1431 if (IS_ERR(bd)) {
cae15702 1432 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1433 acer_backlight_device = NULL;
1434 return PTR_ERR(bd);
1435 }
1436
1437 acer_backlight_device = bd;
1438
f2b585b4 1439 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1440 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1441 backlight_update_status(bd);
1442 return 0;
1443}
1444
7560e385 1445static void acer_backlight_exit(void)
745a5d21
CC		 1446{
1447 backlight_device_unregister(acer_backlight_device);
1448}
1449
1eb3fe1d
MV		 1450/*
1451 * Accelerometer device
1452 */
1453static acpi_handle gsensor_handle;
1454
1455static int acer_gsensor_init(void)
1456{
1457 acpi_status status;
1458 struct acpi_buffer output;
1459 union acpi_object out_obj;
1460
1461 output.length = sizeof(out_obj);
1462 output.pointer = &out_obj;
1463 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1464 if (ACPI_FAILURE(status))
1465 return -1;
1466
1467 return 0;
1468}
1469
1470static int acer_gsensor_open(struct input_dev *input)
1471{
1472 return acer_gsensor_init();
1473}
1474
1475static int acer_gsensor_event(void)
1476{
1477 acpi_status status;
1478 struct acpi_buffer output;
1479 union acpi_object out_obj[5];
1480
1481 if (!has_cap(ACER_CAP_ACCEL))
1482 return -1;
1483
1484 output.length = sizeof(out_obj);
1485 output.pointer = out_obj;
1486
1487 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1488 if (ACPI_FAILURE(status))
1489 return -1;
1490
1491 if (out_obj->package.count != 4)
1492 return -1;
1493
1494 input_report_abs(acer_wmi_accel_dev, ABS_X,
1495 (s16)out_obj->package.elements[0].integer.value);
1496 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1497 (s16)out_obj->package.elements[1].integer.value);
1498 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1499 (s16)out_obj->package.elements[2].integer.value);
1500 input_sync(acer_wmi_accel_dev);
1501 return 0;
1502}
1503
0606e1ab
CC		 1504/*
1505 * Rfkill devices
1506 */
0606e1ab
CC		 1507static void acer_rfkill_update(struct work_struct *ignored);
1508static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1509static void acer_rfkill_update(struct work_struct *ignored)
1510{
1511 u32 state;
1512 acpi_status status;
1513
1709adab
LCY		 1514 if (has_cap(ACER_CAP_WIRELESS)) {
1515 status = get_u32(&state, ACER_CAP_WIRELESS);
1516 if (ACPI_SUCCESS(status)) {
1517 if (quirks->wireless == 3)
1518 rfkill_set_hw_state(wireless_rfkill, !state);
1519 else
1520 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1521 }
1522 }
0606e1ab
CC		 1523
1524 if (has_cap(ACER_CAP_BLUETOOTH)) {
1525 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1526 if (ACPI_SUCCESS(status))
a878417c 1527 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1528 }
1529
b3c9092b 1530 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1531 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1532 if (ACPI_SUCCESS(status))
1533 rfkill_set_sw_state(threeg_rfkill, !state);
1534 }
1535
ae3a1b46 1536 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1537}
1538
19d337df 1539static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1540{
1541 acpi_status status;
19d337df 1542 u32 cap = (unsigned long)data;
8215af01
LCY		 1543
1544 if (rfkill_inited) {
72e71de1 1545 status = set_u32(!blocked, cap);
8215af01
LCY		 1546 if (ACPI_FAILURE(status))
1547 return -ENODEV;
1548 }
1549
0606e1ab
CC		 1550 return 0;
1551}
1552
19d337df
JB		 1553static const struct rfkill_ops acer_rfkill_ops = {
1554 .set_block = acer_rfkill_set,
1555};
1556
1557static struct rfkill *acer_rfkill_register(struct device *dev,
1558 enum rfkill_type type,
1559 char *name, u32 cap)
0606e1ab
CC		 1560{
1561 int err;
0606e1ab 1562 struct rfkill *rfkill_dev;
466449cf
LCY		 1563 u32 state;
1564 acpi_status status;
0606e1ab 1565
19d337df
JB		 1566 rfkill_dev = rfkill_alloc(name, dev, type,
1567 &acer_rfkill_ops,
1568 (void *)(unsigned long)cap);
0606e1ab
CC		 1569 if (!rfkill_dev)
1570 return ERR_PTR(-ENOMEM);
0606e1ab 1571
72e71de1 1572 status = get_u32(&state, cap);
466449cf 1573
0606e1ab
CC		 1574 err = rfkill_register(rfkill_dev);
1575 if (err) {
19d337df 1576 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1577 return ERR_PTR(err);
1578 }
8215af01
LCY		 1579
1580 if (ACPI_SUCCESS(status))
1581 rfkill_set_sw_state(rfkill_dev, !state);
1582
0606e1ab
CC		 1583 return rfkill_dev;
1584}
1585
1586static int acer_rfkill_init(struct device *dev)
1587{
1709adab
LCY		 1588 int err;
1589
1590 if (has_cap(ACER_CAP_WIRELESS)) {
1591 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1592 "acer-wireless", ACER_CAP_WIRELESS);
1593 if (IS_ERR(wireless_rfkill)) {
1594 err = PTR_ERR(wireless_rfkill);
1595 goto error_wireless;
1596 }
1597 }
0606e1ab
CC		 1598
1599 if (has_cap(ACER_CAP_BLUETOOTH)) {
1600 bluetooth_rfkill = acer_rfkill_register(dev,
1601 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1602 ACER_CAP_BLUETOOTH);
1603 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1604 err = PTR_ERR(bluetooth_rfkill);
1605 goto error_bluetooth;
0606e1ab
CC		 1606 }
1607 }
1608
b3c9092b
LCY		 1609 if (has_cap(ACER_CAP_THREEG)) {
1610 threeg_rfkill = acer_rfkill_register(dev,
1611 RFKILL_TYPE_WWAN, "acer-threeg",
1612 ACER_CAP_THREEG);
1613 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1614 err = PTR_ERR(threeg_rfkill);
1615 goto error_threeg;
b3c9092b
LCY		 1616 }
1617 }
1618
8215af01
LCY		 1619 rfkill_inited = true;
1620
1709adab
LCY		 1621 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1622 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904
LCY		 1623 schedule_delayed_work(&acer_rfkill_work,
1624 round_jiffies_relative(HZ));
0606e1ab
CC		 1625
1626 return 0;
1709adab
LCY		 1627
1628error_threeg:
1629 if (has_cap(ACER_CAP_BLUETOOTH)) {
1630 rfkill_unregister(bluetooth_rfkill);
1631 rfkill_destroy(bluetooth_rfkill);
1632 }
1633error_bluetooth:
1634 if (has_cap(ACER_CAP_WIRELESS)) {
1635 rfkill_unregister(wireless_rfkill);
1636 rfkill_destroy(wireless_rfkill);
1637 }
1638error_wireless:
1639 return err;
0606e1ab
CC		 1640}
1641
1642static void acer_rfkill_exit(void)
1643{
1709adab
LCY		 1644 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1645 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1646 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1647
1709adab
LCY		 1648 if (has_cap(ACER_CAP_WIRELESS)) {
1649 rfkill_unregister(wireless_rfkill);
1650 rfkill_destroy(wireless_rfkill);
1651 }
19d337df 1652
0606e1ab 1653 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1654 rfkill_unregister(bluetooth_rfkill);
19d337df 1655 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1656 }
b3c9092b
LCY		 1657
1658 if (has_cap(ACER_CAP_THREEG)) {
1659 rfkill_unregister(threeg_rfkill);
1660 rfkill_destroy(threeg_rfkill);
1661 }
0606e1ab
CC		 1662 return;
1663}
1664
3fdca87d
LCY		 1665static void acer_wmi_notify(u32 value, void *context)
1666{
1667 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1668 union acpi_object *obj;
1669 struct event_return_value return_value;
1670 acpi_status status;
92530664
SF		 1671 u16 device_state;
1672 const struct key_entry *key;
8e2286ce 1673 u32 scancode;
3fdca87d
LCY		 1674
1675 status = wmi_get_event_data(value, &response);
1676 if (status != AE_OK) {
249c720d 1677 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1678 return;
1679 }
1680
1681 obj = (union acpi_object *)response.pointer;
1682
1683 if (!obj)
1684 return;
1685 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1686 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1687 kfree(obj);
1688 return;
1689 }
1690 if (obj->buffer.length != 8) {
249c720d 1691 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1692 kfree(obj);
1693 return;
1694 }
1695
1696 return_value = *((struct event_return_value *)obj->buffer.pointer);
1697 kfree(obj);
1698
1699 switch (return_value.function) {
1700 case WMID_HOTKEY_EVENT:
92530664
SF		 1701 device_state = return_value.device_state;
1702 pr_debug("device state: 0x%x\n", device_state);
1703
1704 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1705 return_value.key_num);
1706 if (!key) {
249c720d 1707 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1708 return_value.key_num);
92530664 1709 } else {
8e2286ce 1710 scancode = return_value.key_num;
92530664
SF		 1711 switch (key->keycode) {
1712 case KEY_WLAN:
1713 case KEY_BLUETOOTH:
1714 if (has_cap(ACER_CAP_WIRELESS))
1715 rfkill_set_sw_state(wireless_rfkill,
1716 !(device_state & ACER_WMID3_GDS_WIRELESS));
1717 if (has_cap(ACER_CAP_THREEG))
1718 rfkill_set_sw_state(threeg_rfkill,
1719 !(device_state & ACER_WMID3_GDS_THREEG));
1720 if (has_cap(ACER_CAP_BLUETOOTH))
1721 rfkill_set_sw_state(bluetooth_rfkill,
1722 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1723 break;
8e2286ce
LCY		 1724 case KEY_TOUCHPAD_TOGGLE:
1725 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1726 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1727 }
8e2286ce 1728 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1729 }
3fdca87d 1730 break;
1eb3fe1d
MV		 1731 case WMID_ACCEL_EVENT:
1732 acer_gsensor_event();
1733 break;
3fdca87d 1734 default:
249c720d 1735 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1736 return_value.function, return_value.key_num);
1737 break;
1738 }
1739}
1740
76d51dd9 1741static acpi_status __init
59ccf2f3
FLCY		 1742wmid3_set_lm_mode(struct lm_input_params *params,
1743 struct lm_return_value *return_value)
1744{
1745 acpi_status status;
1746 union acpi_object *obj;
1747
1748 struct acpi_buffer input = { sizeof(struct lm_input_params), params };
1749 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1750
1751 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1752 if (ACPI_FAILURE(status))
1753 return status;
1754
1755 obj = output.pointer;
1756
1757 if (!obj)
1758 return AE_ERROR;
1759 else if (obj->type != ACPI_TYPE_BUFFER) {
1760 kfree(obj);
1761 return AE_ERROR;
1762 }
1763 if (obj->buffer.length != 4) {
249c720d 1764 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1765 kfree(obj);
1766 return AE_ERROR;
1767 }
1768
1769 *return_value = *((struct lm_return_value *)obj->buffer.pointer);
1770 kfree(obj);
1771
1772 return status;
1773}
1774
76d51dd9 1775static int __init acer_wmi_enable_ec_raw(void)
59ccf2f3
FLCY		 1776{
1777 struct lm_return_value return_value;
1778 acpi_status status;
1779 struct lm_input_params params = {
1780 .function_num = 0x1,
1781 .commun_devices = 0xFFFF,
1782 .devices = 0xFFFF,
1783 .lm_status = 0x00, /* Launch Manager Deactive */
1784 };
1785
1786 status = wmid3_set_lm_mode(&params, &return_value);
1787
1788 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1789 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1790 return_value.error_code,
1791 return_value.ec_return_value);
59ccf2f3 1792 else
249c720d 1793 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1794
1795 return status;
1796}
1797
76d51dd9 1798static int __init acer_wmi_enable_lm(void)
59ccf2f3
FLCY		 1799{
1800 struct lm_return_value return_value;
1801 acpi_status status;
1802 struct lm_input_params params = {
1803 .function_num = 0x1,
1804 .commun_devices = 0xFFFF,
1805 .devices = 0xFFFF,
1806 .lm_status = 0x01, /* Launch Manager Active */
1807 };
1808
1809 status = wmid3_set_lm_mode(&params, &return_value);
1810
1811 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1812 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1813 return_value.error_code,
1814 return_value.ec_return_value);
59ccf2f3
FLCY		 1815
1816 return status;
1817}
1818
1eb3fe1d
MV		 1819static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1820 void *ctx, void **retval)
1821{
1822 *(acpi_handle *)retval = ah;
1823 return AE_OK;
1824}
1825
1826static int __init acer_wmi_get_handle(const char *name, const char *prop,
1827 acpi_handle *ah)
1828{
1829 acpi_status status;
1830 acpi_handle handle;
1831
1832 BUG_ON(!name || !ah);
1833
24237c43 1834 handle = NULL;
1eb3fe1d
MV		 1835 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1836 (void *)name, &handle);
1837
1838 if (ACPI_SUCCESS(status)) {
1839 *ah = handle;
1840 return 0;
1841 } else {
1842 return -ENODEV;
1843 }
1844}
1845
1846static int __init acer_wmi_accel_setup(void)
1847{
1848 int err;
1849
1850 err = acer_wmi_get_handle("SENR", "BST0001", &gsensor_handle);
1851 if (err)
1852 return err;
1853
1854 interface->capability |= ACER_CAP_ACCEL;
1855
1856 acer_wmi_accel_dev = input_allocate_device();
1857 if (!acer_wmi_accel_dev)
1858 return -ENOMEM;
1859
1860 acer_wmi_accel_dev->open = acer_gsensor_open;
1861
1862 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1863 acer_wmi_accel_dev->phys = "wmi/input1";
1864 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1865 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1866 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1867 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1868 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1869
1870 err = input_register_device(acer_wmi_accel_dev);
1871 if (err)
1872 goto err_free_dev;
1873
1874 return 0;
1875
1876err_free_dev:
1877 input_free_device(acer_wmi_accel_dev);
1878 return err;
1879}
1880
1881static void acer_wmi_accel_destroy(void)
1882{
1883 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1884}
1885
3fdca87d
LCY		 1886static int __init acer_wmi_input_setup(void)
1887{
1888 acpi_status status;
1889 int err;
1890
1891 acer_wmi_input_dev = input_allocate_device();
1892 if (!acer_wmi_input_dev)
1893 return -ENOMEM;
1894
1895 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1896 acer_wmi_input_dev->phys = "wmi/input0";
1897 acer_wmi_input_dev->id.bustype = BUS_HOST;
1898
1899 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1900 if (err)
1901 goto err_free_dev;
1902
1903 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1904 acer_wmi_notify, NULL);
1905 if (ACPI_FAILURE(status)) {
1906 err = -EIO;
1907 goto err_free_keymap;
1908 }
1909
1910 err = input_register_device(acer_wmi_input_dev);
1911 if (err)
1912 goto err_uninstall_notifier;
1913
1914 return 0;
1915
1916err_uninstall_notifier:
1917 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1918err_free_keymap:
1919 sparse_keymap_free(acer_wmi_input_dev);
1920err_free_dev:
1921 input_free_device(acer_wmi_input_dev);
1922 return err;
1923}
1924
1925static void acer_wmi_input_destroy(void)
1926{
1927 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
1928 sparse_keymap_free(acer_wmi_input_dev);
1929 input_unregister_device(acer_wmi_input_dev);
1930}
1931
81143522
CC		 1932/*
1933 * debugfs functions
1934 */
1935static u32 get_wmid_devices(void)
1936{
1937 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1938 union acpi_object *obj;
1939 acpi_status status;
66904863 1940 u32 devices = 0;
81143522
CC		 1941
1942 status = wmi_query_block(WMID_GUID2, 1, &out);
1943 if (ACPI_FAILURE(status))
1944 return 0;
1945
1946 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1947 if (obj) {
1948 if (obj->type == ACPI_TYPE_BUFFER &&
1949 (obj->buffer.length == sizeof(u32) ||
1950 obj->buffer.length == sizeof(u64))) {
1951 devices = *((u32 *) obj->buffer.pointer);
1952 } else if (obj->type == ACPI_TYPE_INTEGER) {
1953 devices = (u32) obj->integer.value;
1954 }
81143522 1955 }
66904863
AL		 1956
1957 kfree(out.pointer);
1958 return devices;
81143522
CC		 1959}
1960
745a5d21
CC		 1961/*
1962 * Platform device
1963 */
b859f159 1964static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 1965{
1966 int err;
1967
1968 if (has_cap(ACER_CAP_MAILLED)) {
1969 err = acer_led_init(&device->dev);
1970 if (err)
1971 goto error_mailled;
1972 }
1973
1974 if (has_cap(ACER_CAP_BRIGHTNESS)) {
1975 err = acer_backlight_init(&device->dev);
1976 if (err)
1977 goto error_brightness;
1978 }
1979
0606e1ab 1980 err = acer_rfkill_init(&device->dev);
350e3290
AW		 1981 if (err)
1982 goto error_rfkill;
0606e1ab
CC		 1983
1984 return err;
745a5d21 1985
350e3290
AW		 1986error_rfkill:
1987 if (has_cap(ACER_CAP_BRIGHTNESS))
1988 acer_backlight_exit();
745a5d21 1989error_brightness:
350e3290
AW		 1990 if (has_cap(ACER_CAP_MAILLED))
1991 acer_led_exit();
745a5d21
CC		 1992error_mailled:
1993 return err;
1994}
1995
1996static int acer_platform_remove(struct platform_device *device)
1997{
1998 if (has_cap(ACER_CAP_MAILLED))
1999 acer_led_exit();
2000 if (has_cap(ACER_CAP_BRIGHTNESS))
2001 acer_backlight_exit();
0606e1ab
CC		 2002
2003 acer_rfkill_exit();
745a5d21
CC		 2004 return 0;
2005}
2006
80f65558 2007#ifdef CONFIG_PM_SLEEP
3c33be0b 2008static int acer_suspend(struct device *dev)
745a5d21
CC		 2009{
2010 u32 value;
2011 struct acer_data *data = &interface->data;
2012
2013 if (!data)
2014 return -ENOMEM;
2015
745a5d21
CC		 2016 if (has_cap(ACER_CAP_MAILLED)) {
2017 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2018 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2019 data->mailled = value;
2020 }
2021
2022 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2023 get_u32(&value, ACER_CAP_BRIGHTNESS);
2024 data->brightness = value;
2025 }
2026
2027 return 0;
2028}
2029
3c33be0b 2030static int acer_resume(struct device *dev)
745a5d21
CC		 2031{
2032 struct acer_data *data = &interface->data;
2033
2034 if (!data)
2035 return -ENOMEM;
2036
745a5d21
CC		 2037 if (has_cap(ACER_CAP_MAILLED))
2038 set_u32(data->mailled, ACER_CAP_MAILLED);
2039
2040 if (has_cap(ACER_CAP_BRIGHTNESS))
2041 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2042
1eb3fe1d
MV		 2043 if (has_cap(ACER_CAP_ACCEL))
2044 acer_gsensor_init();
2045
745a5d21
CC		 2046 return 0;
2047}
80f65558
MK		 2048#else
2049#define acer_suspend NULL
2050#define acer_resume NULL
2051#endif
745a5d21 2052
3c33be0b
RW		 2053static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2054
9a0b74fd
PR		 2055static void acer_platform_shutdown(struct platform_device *device)
2056{
2057 struct acer_data *data = &interface->data;
2058
2059 if (!data)
2060 return;
2061
2062 if (has_cap(ACER_CAP_MAILLED))
2063 set_u32(LED_OFF, ACER_CAP_MAILLED);
2064}
2065
745a5d21
CC		 2066static struct platform_driver acer_platform_driver = {
2067 .driver = {
2068 .name = "acer-wmi",
3c33be0b 2069 .pm = &acer_pm,
745a5d21
CC		 2070 },
2071 .probe = acer_platform_probe,
2072 .remove = acer_platform_remove,
9a0b74fd 2073 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2074};
2075
2076static struct platform_device *acer_platform_device;
2077
81143522
CC		 2078static void remove_debugfs(void)
2079{
2080 debugfs_remove(interface->debug.devices);
2081 debugfs_remove(interface->debug.root);
2082}
2083
76d51dd9 2084static int __init create_debugfs(void)
81143522
CC		 2085{
2086 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2087 if (!interface->debug.root) {
cae15702 2088 pr_err("Failed to create debugfs directory");
81143522
CC		 2089 return -ENOMEM;
2090 }
2091
2092 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2093 interface->debug.root,
2094 &interface->debug.wmid_devices);
2095 if (!interface->debug.devices)
2096 goto error_debugfs;
2097
2098 return 0;
2099
2100error_debugfs:
39dbbb45 2101 remove_debugfs();
81143522
CC		 2102 return -ENOMEM;
2103}
2104
745a5d21
CC		 2105static int __init acer_wmi_init(void)
2106{
2107 int err;
2108
cae15702 2109 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2110
a74dd5fd 2111 if (dmi_check_system(acer_blacklist)) {
cae15702 2112 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2113 return -ENODEV;
2114 }
2115
9991d9f2
CC		 2116 find_quirks();
2117
745a5d21
CC		 2118 /*
2119 * Detect which ACPI-WMI interface we're using.
2120 */
2121 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2122 interface = &AMW0_V2_interface;
2123
2124 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2125 interface = &wmid_interface;
2126
72e71de1
LCY		 2127 if (wmi_has_guid(WMID_GUID3))
2128 interface = &wmid_v2_interface;
2129
2130 if (interface)
2131 dmi_walk(type_aa_dmi_decode, NULL);
2132
745a5d21 2133 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2134 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2135 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2136 return -ENODEV;
2137 }
72e71de1
LCY		 2138 /* WMID always provides brightness methods */
2139 interface->capability |= ACER_CAP_BRIGHTNESS;
2140 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2141 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2142 return -ENODEV;
2143 }
2144
2145 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2146 interface = &AMW0_interface;
2147
2148 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2149 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2150 return -ENODEV;
2151 }
2152 }
2153
9b963c40
CC		 2154 if (wmi_has_guid(AMW0_GUID1))
2155 AMW0_find_mailled();
745a5d21 2156
745a5d21 2157 if (!interface) {
cae15702 2158 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2159 return -ENODEV;
2160 }
2161
83097aca
AV		 2162 set_quirks();
2163
a60b2176 2164 if (dmi_check_system(video_vendor_dmi_table))
9a65f0df
HG		 2165 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2166
2167 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
a60b2176 2168 interface->capability &= ~ACER_CAP_BRIGHTNESS;
febf2d95 2169
59ccf2f3
FLCY		 2170 if (wmi_has_guid(WMID_GUID3)) {
2171 if (ec_raw_mode) {
2172 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2173 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2174 return -ENODEV;
2175 }
2176 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2177 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2178 return -ENODEV;
2179 }
2180 } else if (ec_raw_mode) {
cae15702 2181 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2182 }
2183
3fdca87d
LCY		 2184 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2185 err = acer_wmi_input_setup();
2186 if (err)
2187 return err;
2188 }
2189
1eb3fe1d
MV		 2190 acer_wmi_accel_setup();
2191
1c79632b
AL		 2192 err = platform_driver_register(&acer_platform_driver);
2193 if (err) {
6e71f38b 2194 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2195 goto error_platform_register;
2196 }
1c79632b 2197
745a5d21 2198 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2199 if (!acer_platform_device) {
2200 err = -ENOMEM;
2201 goto error_device_alloc;
2202 }
2203
2204 err = platform_device_add(acer_platform_device);
2205 if (err)
2206 goto error_device_add;
745a5d21 2207
81143522
CC		 2208 if (wmi_has_guid(WMID_GUID2)) {
2209 interface->debug.wmid_devices = get_wmid_devices();
2210 err = create_debugfs();
2211 if (err)
1c79632b 2212 goto error_create_debugfs;
81143522
CC		 2213 }
2214
745a5d21
CC		 2215 /* Override any initial settings with values from the commandline */
2216 acer_commandline_init();
2217
2218 return 0;
2219
1c79632b 2220error_create_debugfs:
1c79632b
AL		 2221 platform_device_del(acer_platform_device);
2222error_device_add:
2223 platform_device_put(acer_platform_device);
2224error_device_alloc:
2225 platform_driver_unregister(&acer_platform_driver);
745a5d21 2226error_platform_register:
3fdca87d
LCY		 2227 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2228 acer_wmi_input_destroy();
1eb3fe1d
MV		 2229 if (has_cap(ACER_CAP_ACCEL))
2230 acer_wmi_accel_destroy();
3fdca87d 2231
1c79632b 2232 return err;
745a5d21
CC		 2233}
2234
2235static void __exit acer_wmi_exit(void)
2236{
3fdca87d
LCY		 2237 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2238 acer_wmi_input_destroy();
2239
1eb3fe1d
MV		 2240 if (has_cap(ACER_CAP_ACCEL))
2241 acer_wmi_accel_destroy();
2242
39dbbb45 2243 remove_debugfs();
97ba0af0 2244 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2245 platform_driver_unregister(&acer_platform_driver);
2246
cae15702 2247 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2248 return;
2249}
2250
2251module_init(acer_wmi_init);
2252module_exit(acer_wmi_exit);
Linux kernel - Deliverables
This page took 0.693548 seconds and 5 git commands to generate.