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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
[linux-block.git] / drivers / platform / x86 / acer-wmi.c
CommitLineData
1a59d1b8 1// SPDX-License-Identifier: GPL-2.0-or-later
745a5d21
CC		 2/*
3 * Acer WMI Laptop Extras
4 *
4f0175dc 5 * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
745a5d21
CC		 6 *
7 * Based on acer_acpi:
8 * Copyright (C) 2005-2007 E.M. Smith
9 * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com>
745a5d21
CC		 10 */
11
cae15702
LCY		 12#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13
745a5d21
CC		 14#include <linux/kernel.h>
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/types.h>
18#include <linux/dmi.h>
f2b585b4 19#include <linux/fb.h>
745a5d21
CC		 20#include <linux/backlight.h>
21#include <linux/leds.h>
22#include <linux/platform_device.h>
23#include <linux/acpi.h>
24#include <linux/i8042.h>
0606e1ab
CC		 25#include <linux/rfkill.h>
26#include <linux/workqueue.h>
81143522 27#include <linux/debugfs.h>
5a0e3ad6 28#include <linux/slab.h>
3fdca87d
LCY		 29#include <linux/input.h>
30#include <linux/input/sparse-keymap.h>
86924de2 31#include <acpi/video.h>
745a5d21
CC		 32
33MODULE_AUTHOR("Carlos Corbacho");
34MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
35MODULE_LICENSE("GPL");
36
745a5d21
CC		 37/*
38 * Magic Number
39 * Meaning is unknown - this number is required for writing to ACPI for AMW0
40 * (it's also used in acerhk when directly accessing the BIOS)
41 */
42#define ACER_AMW0_WRITE 0x9610
43
44/*
45 * Bit masks for the AMW0 interface
46 */
47#define ACER_AMW0_WIRELESS_MASK 0x35
48#define ACER_AMW0_BLUETOOTH_MASK 0x34
49#define ACER_AMW0_MAILLED_MASK 0x31
50
51/*
52 * Method IDs for WMID interface
53 */
54#define ACER_WMID_GET_WIRELESS_METHODID 1
55#define ACER_WMID_GET_BLUETOOTH_METHODID 2
56#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
57#define ACER_WMID_SET_WIRELESS_METHODID 4
58#define ACER_WMID_SET_BLUETOOTH_METHODID 5
59#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
60#define ACER_WMID_GET_THREEG_METHODID 10
61#define ACER_WMID_SET_THREEG_METHODID 11
62
63/*
64 * Acer ACPI method GUIDs
65 */
66#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
5753dd53 67#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
bbb70607 68#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
298f19b2 69#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
b3c9092b 70#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
745a5d21 71
3fdca87d
LCY		 72/*
73 * Acer ACPI event GUIDs
74 */
75#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
76
745a5d21 77MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
08a0799d 78MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
3fdca87d
LCY		 79MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
80
81enum acer_wmi_event_ids {
82 WMID_HOTKEY_EVENT = 0x1,
1eb3fe1d 83 WMID_ACCEL_EVENT = 0x5,
3fdca87d
LCY		 84};
85
87e44849 86static const struct key_entry acer_wmi_keymap[] __initconst = {
3fdca87d 87 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
8ae68de1 88 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
1a04d8ff 89 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
3fdca87d
LCY		 90 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
91 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
92 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
93 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
94 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
67e1d34c 95 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
8ae68de1
MF		 96 {KE_IGNORE, 0x41, {KEY_MUTE} },
97 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
ca1469f5 98 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
8ae68de1 99 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
ca1469f5 100 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
8ae68de1 101 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
ca1469f5 102 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
8ae68de1 103 {KE_IGNORE, 0x45, {KEY_STOP} },
ca1469f5 104 {KE_IGNORE, 0x50, {KEY_STOP} },
8ae68de1
MF		 105 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
106 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
ca1469f5 107 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
8ae68de1
MF		 108 {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
109 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
110 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
3fdca87d 111 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
8ae68de1 112 {KE_IGNORE, 0x81, {KEY_SLEEP} },
8e2286ce
LCY		 113 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
114 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
115 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
8ae68de1 116 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
68825ce2 117 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
5ffa572a 118 {KE_KEY, 0x86, {KEY_WLAN} },
c7a437fd 119 {KE_KEY, 0x87, {KEY_POWER} },
3fdca87d
LCY		 120 {KE_END, 0}
121};
122
123static struct input_dev *acer_wmi_input_dev;
1eb3fe1d 124static struct input_dev *acer_wmi_accel_dev;
3fdca87d
LCY		 125
126struct event_return_value {
127 u8 function;
128 u8 key_num;
129 u16 device_state;
130 u32 reserved;
131} __attribute__((packed));
745a5d21 132
b3c9092b
LCY		 133/*
134 * GUID3 Get Device Status device flags
135 */
6c3df88f 136#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
b3c9092b 137#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
6d88ff0f 138#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
6c3df88f 139#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
3e2bc5c5
JPRV		 140#define ACER_WMID3_GDS_RFBTN (1<<14) /* RF Button */
141
8e2286ce 142#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
b3c9092b 143
280642c3
CC		 144/* Hotkey Customized Setting and Acer Application Status.
145 * Set Device Default Value and Report Acer Application Status.
146 * When Acer Application starts, it will run this method to inform
147 * BIOS/EC that Acer Application is on.
148 * App Status
149 * Bit[0]: Launch Manager Status
150 * Bit[1]: ePM Status
151 * Bit[2]: Device Control Status
152 * Bit[3]: Acer Power Button Utility Status
153 * Bit[4]: RF Button Status
154 * Bit[5]: ODD PM Status
155 * Bit[6]: Device Default Value Control
156 * Bit[7]: Hall Sensor Application Status
157 */
158struct func_input_params {
59ccf2f3
FLCY		 159 u8 function_num; /* Function Number */
160 u16 commun_devices; /* Communication type devices default status */
161 u16 devices; /* Other type devices default status */
280642c3
CC		 162 u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
163 u8 app_mask; /* Bit mask to app_status */
164 u8 reserved;
59ccf2f3
FLCY		 165} __attribute__((packed));
166
280642c3 167struct func_return_value {
59ccf2f3
FLCY		 168 u8 error_code; /* Error Code */
169 u8 ec_return_value; /* EC Return Value */
170 u16 reserved;
171} __attribute__((packed));
172
996d23ba
LCY		 173struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
174 u8 function_num; /* Function Number */
175 u8 hotkey_number; /* Hotkey Number */
176 u16 devices; /* Set Device */
177 u8 volume_value; /* Volume Value */
178} __attribute__((packed));
179
180struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
b3c9092b
LCY		 181 u8 function_num; /* Function Number */
182 u8 hotkey_number; /* Hotkey Number */
183 u16 devices; /* Get Device */
184} __attribute__((packed));
185
186struct wmid3_gds_return_value { /* Get Device Status return value*/
187 u8 error_code; /* Error Code */
188 u8 ec_return_value; /* EC Return Value */
189 u16 devices; /* Current Device Status */
190 u32 reserved;
191} __attribute__((packed));
192
6c3df88f
LCY		 193struct hotkey_function_type_aa {
194 u8 type;
195 u8 length;
196 u16 handle;
197 u16 commun_func_bitmap;
34b6cfab
LCY		 198 u16 application_func_bitmap;
199 u16 media_func_bitmap;
200 u16 display_func_bitmap;
201 u16 others_func_bitmap;
202 u8 commun_fn_key_number;
6c3df88f
LCY		 203} __attribute__((packed));
204
745a5d21
CC		 205/*
206 * Interface capability flags
207 */
208#define ACER_CAP_MAILLED (1<<0)
209#define ACER_CAP_WIRELESS (1<<1)
210#define ACER_CAP_BLUETOOTH (1<<2)
211#define ACER_CAP_BRIGHTNESS (1<<3)
212#define ACER_CAP_THREEG (1<<4)
1eb3fe1d 213#define ACER_CAP_ACCEL (1<<5)
3e2bc5c5 214#define ACER_CAP_RFBTN (1<<6)
745a5d21
CC		 215#define ACER_CAP_ANY (0xFFFFFFFF)
216
217/*
218 * Interface type flags
219 */
220enum interface_flags {
221 ACER_AMW0,
222 ACER_AMW0_V2,
223 ACER_WMID,
72e71de1 224 ACER_WMID_v2,
745a5d21
CC		 225};
226
227#define ACER_DEFAULT_WIRELESS 0
228#define ACER_DEFAULT_BLUETOOTH 0
229#define ACER_DEFAULT_MAILLED 0
230#define ACER_DEFAULT_THREEG 0
231
232static int max_brightness = 0xF;
233
745a5d21
CC		 234static int mailled = -1;
235static int brightness = -1;
236static int threeg = -1;
237static int force_series;
59ccf2f3 238static bool ec_raw_mode;
6c3df88f 239static bool has_type_aa;
1d1fc8a7 240static u16 commun_func_bitmap;
34b6cfab 241static u8 commun_fn_key_number;
745a5d21
CC		 242
243module_param(mailled, int, 0444);
745a5d21
CC		 244module_param(brightness, int, 0444);
245module_param(threeg, int, 0444);
246module_param(force_series, int, 0444);
59ccf2f3 247module_param(ec_raw_mode, bool, 0444);
745a5d21
CC		 248MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
249MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
250MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
251MODULE_PARM_DESC(force_series, "Force a different laptop series");
59ccf2f3 252MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
745a5d21
CC		 253
254struct acer_data {
255 int mailled;
745a5d21
CC		 256 int threeg;
257 int brightness;
258};
259
81143522
CC		 260struct acer_debug {
261 struct dentry *root;
262 struct dentry *devices;
263 u32 wmid_devices;
264};
265
0606e1ab
CC		 266static struct rfkill *wireless_rfkill;
267static struct rfkill *bluetooth_rfkill;
b3c9092b 268static struct rfkill *threeg_rfkill;
8215af01 269static bool rfkill_inited;
0606e1ab 270
745a5d21
CC		 271/* Each low-level interface must define at least some of the following */
272struct wmi_interface {
273 /* The WMI device type */
274 u32 type;
275
276 /* The capabilities this interface provides */
277 u32 capability;
278
279 /* Private data for the current interface */
280 struct acer_data data;
81143522
CC		 281
282 /* debugfs entries associated with this interface */
283 struct acer_debug debug;
745a5d21
CC		 284};
285
286/* The static interface pointer, points to the currently detected interface */
287static struct wmi_interface *interface;
288
289/*
290 * Embedded Controller quirks
291 * Some laptops require us to directly access the EC to either enable or query
292 * features that are not available through WMI.
293 */
294
295struct quirk_entry {
296 u8 wireless;
297 u8 mailled;
9991d9f2 298 s8 brightness;
745a5d21
CC		 299 u8 bluetooth;
300};
301
302static struct quirk_entry *quirks;
303
76d51dd9 304static void __init set_quirks(void)
745a5d21 305{
83097aca
AV		 306 if (!interface)
307 return;
308
745a5d21
CC		 309 if (quirks->mailled)
310 interface->capability |= ACER_CAP_MAILLED;
311
312 if (quirks->brightness)
313 interface->capability |= ACER_CAP_BRIGHTNESS;
314}
315
76d51dd9 316static int __init dmi_matched(const struct dmi_system_id *dmi)
745a5d21
CC		 317{
318 quirks = dmi->driver_data;
d53bf0f3 319 return 1;
745a5d21
CC		 320}
321
322static struct quirk_entry quirk_unknown = {
323};
324
9991d9f2
CC		 325static struct quirk_entry quirk_acer_aspire_1520 = {
326 .brightness = -1,
327};
328
745a5d21
CC		 329static struct quirk_entry quirk_acer_travelmate_2490 = {
330 .mailled = 1,
331};
332
333/* This AMW0 laptop has no bluetooth */
334static struct quirk_entry quirk_medion_md_98300 = {
335 .wireless = 1,
336};
337
6f061ab5
CC		 338static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
339 .wireless = 2,
340};
341
15b956a0
LCY		 342static struct quirk_entry quirk_lenovo_ideapad_s205 = {
343 .wireless = 3,
344};
345
a74dd5fd 346/* The Aspire One has a dummy ACPI-WMI interface - disable it */
76d51dd9 347static const struct dmi_system_id acer_blacklist[] __initconst = {
a74dd5fd
CC		 348 {
349 .ident = "Acer Aspire One (SSD)",
350 .matches = {
351 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
352 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
353 },
354 },
355 {
356 .ident = "Acer Aspire One (HDD)",
357 .matches = {
358 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
359 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
360 },
361 },
362 {}
363};
364
5241b193
LCY		 365static const struct dmi_system_id amw0_whitelist[] __initconst = {
366 {
367 .ident = "Acer",
368 .matches = {
369 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
370 },
371 },
372 {
373 .ident = "Gateway",
374 .matches = {
375 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
376 },
377 },
378 {
379 .ident = "Packard Bell",
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
382 },
383 },
384 {}
385};
386
387/*
388 * This quirk table is only for Acer/Gateway/Packard Bell family
389 * that those machines are supported by acer-wmi driver.
390 */
76d51dd9 391static const struct dmi_system_id acer_quirks[] __initconst = {
9991d9f2
CC		 392 {
393 .callback = dmi_matched,
394 .ident = "Acer Aspire 1360",
395 .matches = {
396 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
397 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
398 },
399 .driver_data = &quirk_acer_aspire_1520,
400 },
401 {
402 .callback = dmi_matched,
403 .ident = "Acer Aspire 1520",
404 .matches = {
405 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
406 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
407 },
408 .driver_data = &quirk_acer_aspire_1520,
409 },
745a5d21
CC		 410 {
411 .callback = dmi_matched,
412 .ident = "Acer Aspire 3100",
413 .matches = {
414 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
415 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
416 },
417 .driver_data = &quirk_acer_travelmate_2490,
418 },
ed9cfe98
CC		 419 {
420 .callback = dmi_matched,
421 .ident = "Acer Aspire 3610",
422 .matches = {
423 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
424 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
425 },
426 .driver_data = &quirk_acer_travelmate_2490,
427 },
745a5d21
CC		 428 {
429 .callback = dmi_matched,
430 .ident = "Acer Aspire 5100",
431 .matches = {
432 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
433 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
434 },
435 .driver_data = &quirk_acer_travelmate_2490,
436 },
ed9cfe98
CC		 437 {
438 .callback = dmi_matched,
439 .ident = "Acer Aspire 5610",
440 .matches = {
441 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
442 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
443 },
444 .driver_data = &quirk_acer_travelmate_2490,
445 },
745a5d21
CC		 446 {
447 .callback = dmi_matched,
448 .ident = "Acer Aspire 5630",
449 .matches = {
450 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
451 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
452 },
453 .driver_data = &quirk_acer_travelmate_2490,
454 },
455 {
456 .callback = dmi_matched,
457 .ident = "Acer Aspire 5650",
458 .matches = {
459 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
460 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
461 },
462 .driver_data = &quirk_acer_travelmate_2490,
463 },
464 {
465 .callback = dmi_matched,
466 .ident = "Acer Aspire 5680",
467 .matches = {
468 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
469 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
470 },
471 .driver_data = &quirk_acer_travelmate_2490,
472 },
473 {
474 .callback = dmi_matched,
475 .ident = "Acer Aspire 9110",
476 .matches = {
477 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
478 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
479 },
480 .driver_data = &quirk_acer_travelmate_2490,
481 },
482 {
483 .callback = dmi_matched,
484 .ident = "Acer TravelMate 2490",
485 .matches = {
486 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
487 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
488 },
489 .driver_data = &quirk_acer_travelmate_2490,
490 },
262ee35b
CC		 491 {
492 .callback = dmi_matched,
493 .ident = "Acer TravelMate 4200",
494 .matches = {
495 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
496 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
497 },
498 .driver_data = &quirk_acer_travelmate_2490,
499 },
5241b193
LCY		 500 {}
501};
502
503/*
504 * This quirk list is for those non-acer machines that have AMW0_GUID1
505 * but supported by acer-wmi in past days. Keeping this quirk list here
506 * is only for backward compatible. Please do not add new machine to
507 * here anymore. Those non-acer machines should be supported by
508 * appropriate wmi drivers.
509 */
510static const struct dmi_system_id non_acer_quirks[] __initconst = {
6f061ab5
CC		 511 {
512 .callback = dmi_matched,
513 .ident = "Fujitsu Siemens Amilo Li 1718",
514 .matches = {
515 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
516 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
517 },
518 .driver_data = &quirk_fujitsu_amilo_li_1718,
519 },
745a5d21
CC		 520 {
521 .callback = dmi_matched,
522 .ident = "Medion MD 98300",
523 .matches = {
524 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
525 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
526 },
527 .driver_data = &quirk_medion_md_98300,
528 },
15b956a0
LCY		 529 {
530 .callback = dmi_matched,
531 .ident = "Lenovo Ideapad S205",
532 .matches = {
533 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
534 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
535 },
536 .driver_data = &quirk_lenovo_ideapad_s205,
537 },
c08f2086
LCY		 538 {
539 .callback = dmi_matched,
540 .ident = "Lenovo Ideapad S205 (Brazos)",
541 .matches = {
542 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
543 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
544 },
545 .driver_data = &quirk_lenovo_ideapad_s205,
546 },
be3128b1
SF		 547 {
548 .callback = dmi_matched,
549 .ident = "Lenovo 3000 N200",
550 .matches = {
551 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
552 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
553 },
554 .driver_data = &quirk_fujitsu_amilo_li_1718,
555 },
e6c33f1f
LCY		 556 {
557 .callback = dmi_matched,
558 .ident = "Lenovo Ideapad S205-10382JG",
559 .matches = {
560 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
561 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
562 },
563 .driver_data = &quirk_lenovo_ideapad_s205,
564 },
5f3511d2
LCY		 565 {
566 .callback = dmi_matched,
567 .ident = "Lenovo Ideapad S205-1038DPG",
568 .matches = {
569 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
570 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
571 },
572 .driver_data = &quirk_lenovo_ideapad_s205,
573 },
745a5d21
CC		 574 {}
575};
576
76d51dd9
MK		 577static int __init
578video_set_backlight_video_vendor(const struct dmi_system_id *d)
86924de2
LCY		 579{
580 interface->capability &= ~ACER_CAP_BRIGHTNESS;
581 pr_info("Brightness must be controlled by generic video driver\n");
582 return 0;
583}
584
76d51dd9 585static const struct dmi_system_id video_vendor_dmi_table[] __initconst = {
86924de2
LCY		 586 {
587 .callback = video_set_backlight_video_vendor,
588 .ident = "Acer TravelMate 4750",
589 .matches = {
590 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
591 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
592 },
593 },
050eff39
LCY		 594 {
595 .callback = video_set_backlight_video_vendor,
596 .ident = "Acer Extensa 5235",
597 .matches = {
598 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
599 DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
600 },
601 },
602 {
603 .callback = video_set_backlight_video_vendor,
604 .ident = "Acer TravelMate 5760",
605 .matches = {
606 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
607 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
608 },
609 },
610 {
611 .callback = video_set_backlight_video_vendor,
612 .ident = "Acer Aspire 5750",
613 .matches = {
614 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
615 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
616 },
617 },
9404cd95
HG		 618 {
619 .callback = video_set_backlight_video_vendor,
620 .ident = "Acer Aspire 5741",
621 .matches = {
622 DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
623 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"),
624 },
625 },
183fd8fc
HG		 626 {
627 /*
628 * Note no video_set_backlight_video_vendor, we must use the
629 * acer interface, as there is no native backlight interface.
630 */
631 .ident = "Acer KAV80",
632 .matches = {
633 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
634 DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
635 },
636 },
86924de2
LCY		 637 {}
638};
639
745a5d21 640/* Find which quirks are needed for a particular vendor/ model pair */
76d51dd9 641static void __init find_quirks(void)
745a5d21
CC		 642{
643 if (!force_series) {
644 dmi_check_system(acer_quirks);
5241b193 645 dmi_check_system(non_acer_quirks);
745a5d21
CC		 646 } else if (force_series == 2490) {
647 quirks = &quirk_acer_travelmate_2490;
648 }
649
650 if (quirks == NULL)
651 quirks = &quirk_unknown;
652
653 set_quirks();
654}
655
656/*
657 * General interface convenience methods
658 */
659
660static bool has_cap(u32 cap)
661{
aa7d16bf 662 return interface->capability & cap;
745a5d21
CC		 663}
664
665/*
666 * AMW0 (V1) interface
667 */
668struct wmab_args {
669 u32 eax;
670 u32 ebx;
671 u32 ecx;
672 u32 edx;
673};
674
675struct wmab_ret {
676 u32 eax;
677 u32 ebx;
678 u32 ecx;
679 u32 edx;
680 u32 eex;
681};
682
683static acpi_status wmab_execute(struct wmab_args *regbuf,
684struct acpi_buffer *result)
685{
686 struct acpi_buffer input;
687 acpi_status status;
688 input.length = sizeof(struct wmab_args);
689 input.pointer = (u8 *)regbuf;
690
62fc743c 691 status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
745a5d21
CC		 692
693 return status;
694}
695
38db157d 696static acpi_status AMW0_get_u32(u32 *value, u32 cap)
745a5d21
CC		 697{
698 int err;
699 u8 result;
700
701 switch (cap) {
702 case ACER_CAP_MAILLED:
703 switch (quirks->mailled) {
704 default:
705 err = ec_read(0xA, &result);
706 if (err)
707 return AE_ERROR;
708 *value = (result >> 7) & 0x1;
709 return AE_OK;
710 }
711 break;
712 case ACER_CAP_WIRELESS:
713 switch (quirks->wireless) {
714 case 1:
715 err = ec_read(0x7B, &result);
716 if (err)
717 return AE_ERROR;
718 *value = result & 0x1;
719 return AE_OK;
6f061ab5
CC		 720 case 2:
721 err = ec_read(0x71, &result);
722 if (err)
723 return AE_ERROR;
724 *value = result & 0x1;
725 return AE_OK;
15b956a0
LCY		 726 case 3:
727 err = ec_read(0x78, &result);
728 if (err)
729 return AE_ERROR;
730 *value = result & 0x1;
731 return AE_OK;
745a5d21
CC		 732 default:
733 err = ec_read(0xA, &result);
734 if (err)
735 return AE_ERROR;
736 *value = (result >> 2) & 0x1;
737 return AE_OK;
738 }
739 break;
740 case ACER_CAP_BLUETOOTH:
741 switch (quirks->bluetooth) {
742 default:
743 err = ec_read(0xA, &result);
744 if (err)
745 return AE_ERROR;
746 *value = (result >> 4) & 0x1;
747 return AE_OK;
748 }
749 break;
750 case ACER_CAP_BRIGHTNESS:
751 switch (quirks->brightness) {
752 default:
753 err = ec_read(0x83, &result);
754 if (err)
755 return AE_ERROR;
756 *value = result;
757 return AE_OK;
758 }
759 break;
760 default:
08237974 761 return AE_ERROR;
745a5d21
CC		 762 }
763 return AE_OK;
764}
765
38db157d 766static acpi_status AMW0_set_u32(u32 value, u32 cap)
745a5d21
CC		 767{
768 struct wmab_args args;
769
770 args.eax = ACER_AMW0_WRITE;
771 args.ebx = value ? (1<<8) : 0;
772 args.ecx = args.edx = 0;
773
774 switch (cap) {
775 case ACER_CAP_MAILLED:
776 if (value > 1)
777 return AE_BAD_PARAMETER;
778 args.ebx |= ACER_AMW0_MAILLED_MASK;
779 break;
780 case ACER_CAP_WIRELESS:
781 if (value > 1)
782 return AE_BAD_PARAMETER;
783 args.ebx |= ACER_AMW0_WIRELESS_MASK;
784 break;
785 case ACER_CAP_BLUETOOTH:
786 if (value > 1)
787 return AE_BAD_PARAMETER;
788 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
789 break;
790 case ACER_CAP_BRIGHTNESS:
791 if (value > max_brightness)
792 return AE_BAD_PARAMETER;
793 switch (quirks->brightness) {
745a5d21 794 default:
4609d029
CC		 795 return ec_write(0x83, value);
796 break;
745a5d21
CC		 797 }
798 default:
08237974 799 return AE_ERROR;
745a5d21
CC		 800 }
801
802 /* Actually do the set */
803 return wmab_execute(&args, NULL);
804}
805
76d51dd9 806static acpi_status __init AMW0_find_mailled(void)
745a5d21
CC		 807{
808 struct wmab_args args;
809 struct wmab_ret ret;
810 acpi_status status = AE_OK;
811 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
812 union acpi_object *obj;
813
814 args.eax = 0x86;
815 args.ebx = args.ecx = args.edx = 0;
816
817 status = wmab_execute(&args, &out);
818 if (ACPI_FAILURE(status))
819 return status;
820
821 obj = (union acpi_object *) out.pointer;
822 if (obj && obj->type == ACPI_TYPE_BUFFER &&
823 obj->buffer.length == sizeof(struct wmab_ret)) {
824 ret = *((struct wmab_ret *) obj->buffer.pointer);
825 } else {
7677fbdf 826 kfree(out.pointer);
745a5d21
CC		 827 return AE_ERROR;
828 }
829
830 if (ret.eex & 0x1)
831 interface->capability |= ACER_CAP_MAILLED;
832
833 kfree(out.pointer);
834
835 return AE_OK;
836}
837
76d51dd9 838static const struct acpi_device_id norfkill_ids[] __initconst = {
461e7437
IP		 839 { "VPC2004", 0},
840 { "IBM0068", 0},
841 { "LEN0068", 0},
5719b819 842 { "SNY5001", 0}, /* sony-laptop in charge */
628b3198 843 { "HPQ6601", 0},
461e7437
IP		 844 { "", 0},
845};
846
76d51dd9 847static int __init AMW0_set_cap_acpi_check_device(void)
461e7437
IP		 848{
849 const struct acpi_device_id *id;
850
851 for (id = norfkill_ids; id->id[0]; id++)
8c92a75e
LW		 852 if (acpi_dev_found(id->id))
853 return true;
854
855 return false;
461e7437
IP		 856}
857
76d51dd9 858static acpi_status __init AMW0_set_capabilities(void)
745a5d21
CC		 859{
860 struct wmab_args args;
861 struct wmab_ret ret;
7677fbdf 862 acpi_status status;
745a5d21
CC		 863 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
864 union acpi_object *obj;
865
5753dd53
CC		 866 /*
867 * On laptops with this strange GUID (non Acer), normal probing doesn't
868 * work.
869 */
870 if (wmi_has_guid(AMW0_GUID2)) {
461e7437
IP		 871 if ((quirks != &quirk_unknown) ||
872 !AMW0_set_cap_acpi_check_device())
873 interface->capability |= ACER_CAP_WIRELESS;
5753dd53
CC		 874 return AE_OK;
875 }
876
745a5d21
CC		 877 args.eax = ACER_AMW0_WRITE;
878 args.ecx = args.edx = 0;
879
880 args.ebx = 0xa2 << 8;
881 args.ebx |= ACER_AMW0_WIRELESS_MASK;
882
883 status = wmab_execute(&args, &out);
884 if (ACPI_FAILURE(status))
885 return status;
886
7677fbdf 887 obj = out.pointer;
745a5d21
CC		 888 if (obj && obj->type == ACPI_TYPE_BUFFER &&
889 obj->buffer.length == sizeof(struct wmab_ret)) {
890 ret = *((struct wmab_ret *) obj->buffer.pointer);
891 } else {
7677fbdf
AL		 892 status = AE_ERROR;
893 goto out;
745a5d21
CC		 894 }
895
896 if (ret.eax & 0x1)
897 interface->capability |= ACER_CAP_WIRELESS;
898
899 args.ebx = 2 << 8;
900 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
901
7677fbdf
AL		 902 /*
903 * It's ok to use existing buffer for next wmab_execute call.
904 * But we need to kfree(out.pointer) if next wmab_execute fail.
905 */
745a5d21
CC		 906 status = wmab_execute(&args, &out);
907 if (ACPI_FAILURE(status))
7677fbdf 908 goto out;
745a5d21
CC		 909
910 obj = (union acpi_object *) out.pointer;
911 if (obj && obj->type == ACPI_TYPE_BUFFER
912 && obj->buffer.length == sizeof(struct wmab_ret)) {
913 ret = *((struct wmab_ret *) obj->buffer.pointer);
914 } else {
7677fbdf
AL		 915 status = AE_ERROR;
916 goto out;
745a5d21
CC		 917 }
918
919 if (ret.eax & 0x1)
920 interface->capability |= ACER_CAP_BLUETOOTH;
921
745a5d21
CC		 922 /*
923 * This appears to be safe to enable, since all Wistron based laptops
924 * appear to use the same EC register for brightness, even if they
925 * differ for wireless, etc
926 */
9991d9f2
CC		 927 if (quirks->brightness >= 0)
928 interface->capability |= ACER_CAP_BRIGHTNESS;
745a5d21 929
7677fbdf
AL		 930 status = AE_OK;
931out:
932 kfree(out.pointer);
933 return status;
745a5d21
CC		 934}
935
936static struct wmi_interface AMW0_interface = {
937 .type = ACER_AMW0,
938};
939
940static struct wmi_interface AMW0_V2_interface = {
941 .type = ACER_AMW0_V2,
942};
943
944/*
945 * New interface (The WMID interface)
946 */
947static acpi_status
948WMI_execute_u32(u32 method_id, u32 in, u32 *out)
949{
950 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
951 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
952 union acpi_object *obj;
f20aaba9 953 u32 tmp = 0;
745a5d21
CC		 954 acpi_status status;
955
62fc743c 956 status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
745a5d21
CC		 957
958 if (ACPI_FAILURE(status))
959 return status;
960
961 obj = (union acpi_object *) result.pointer;
f20aaba9
LCY		 962 if (obj) {
963 if (obj->type == ACPI_TYPE_BUFFER &&
964 (obj->buffer.length == sizeof(u32) ||
965 obj->buffer.length == sizeof(u64))) {
966 tmp = *((u32 *) obj->buffer.pointer);
967 } else if (obj->type == ACPI_TYPE_INTEGER) {
968 tmp = (u32) obj->integer.value;
969 }
745a5d21
CC		 970 }
971
972 if (out)
973 *out = tmp;
974
975 kfree(result.pointer);
976
977 return status;
978}
979
38db157d 980static acpi_status WMID_get_u32(u32 *value, u32 cap)
745a5d21
CC		 981{
982 acpi_status status;
983 u8 tmp;
984 u32 result, method_id = 0;
985
986 switch (cap) {
987 case ACER_CAP_WIRELESS:
988 method_id = ACER_WMID_GET_WIRELESS_METHODID;
989 break;
990 case ACER_CAP_BLUETOOTH:
991 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
992 break;
993 case ACER_CAP_BRIGHTNESS:
994 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
995 break;
996 case ACER_CAP_THREEG:
997 method_id = ACER_WMID_GET_THREEG_METHODID;
998 break;
999 case ACER_CAP_MAILLED:
1000 if (quirks->mailled == 1) {
1001 ec_read(0x9f, &tmp);
1002 *value = tmp & 0x1;
1003 return 0;
1004 }
1005 default:
08237974 1006 return AE_ERROR;
745a5d21
CC		 1007 }
1008 status = WMI_execute_u32(method_id, 0, &result);
1009
1010 if (ACPI_SUCCESS(status))
1011 *value = (u8)result;
1012
1013 return status;
1014}
1015
38db157d 1016static acpi_status WMID_set_u32(u32 value, u32 cap)
745a5d21
CC		 1017{
1018 u32 method_id = 0;
1019 char param;
1020
1021 switch (cap) {
1022 case ACER_CAP_BRIGHTNESS:
1023 if (value > max_brightness)
1024 return AE_BAD_PARAMETER;
1025 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1026 break;
1027 case ACER_CAP_WIRELESS:
1028 if (value > 1)
1029 return AE_BAD_PARAMETER;
1030 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1031 break;
1032 case ACER_CAP_BLUETOOTH:
1033 if (value > 1)
1034 return AE_BAD_PARAMETER;
1035 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1036 break;
1037 case ACER_CAP_THREEG:
1038 if (value > 1)
1039 return AE_BAD_PARAMETER;
1040 method_id = ACER_WMID_SET_THREEG_METHODID;
1041 break;
1042 case ACER_CAP_MAILLED:
1043 if (value > 1)
1044 return AE_BAD_PARAMETER;
1045 if (quirks->mailled == 1) {
1046 param = value ? 0x92 : 0x93;
181d683d 1047 i8042_lock_chip();
745a5d21 1048 i8042_command(&param, 0x1059);
181d683d 1049 i8042_unlock_chip();
745a5d21
CC		 1050 return 0;
1051 }
1052 break;
1053 default:
08237974 1054 return AE_ERROR;
745a5d21
CC		 1055 }
1056 return WMI_execute_u32(method_id, (u32)value, NULL);
1057}
1058
72e71de1
LCY		 1059static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1060{
1061 struct wmid3_gds_return_value return_value;
1062 acpi_status status;
1063 union acpi_object *obj;
996d23ba 1064 struct wmid3_gds_get_input_param params = {
72e71de1 1065 .function_num = 0x1,
34b6cfab 1066 .hotkey_number = commun_fn_key_number,
72e71de1
LCY		 1067 .devices = device,
1068 };
1069 struct acpi_buffer input = {
996d23ba 1070 sizeof(struct wmid3_gds_get_input_param),
72e71de1
LCY		 1071 &params
1072 };
1073 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1074
1075 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1076 if (ACPI_FAILURE(status))
1077 return status;
1078
1079 obj = output.pointer;
1080
1081 if (!obj)
1082 return AE_ERROR;
1083 else if (obj->type != ACPI_TYPE_BUFFER) {
1084 kfree(obj);
1085 return AE_ERROR;
1086 }
1087 if (obj->buffer.length != 8) {
1088 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1089 kfree(obj);
1090 return AE_ERROR;
1091 }
1092
1093 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1094 kfree(obj);
1095
1096 if (return_value.error_code || return_value.ec_return_value)
1097 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1098 device,
1099 return_value.error_code,
1100 return_value.ec_return_value);
1101 else
1102 *value = !!(return_value.devices & device);
1103
1104 return status;
1105}
1106
1107static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1108{
1109 u16 device;
1110
1111 switch (cap) {
1112 case ACER_CAP_WIRELESS:
1113 device = ACER_WMID3_GDS_WIRELESS;
1114 break;
1115 case ACER_CAP_BLUETOOTH:
1116 device = ACER_WMID3_GDS_BLUETOOTH;
1117 break;
1118 case ACER_CAP_THREEG:
1119 device = ACER_WMID3_GDS_THREEG;
1120 break;
1121 default:
1122 return AE_ERROR;
1123 }
1124 return wmid3_get_device_status(value, device);
1125}
1126
1127static acpi_status wmid3_set_device_status(u32 value, u16 device)
1128{
1129 struct wmid3_gds_return_value return_value;
1130 acpi_status status;
1131 union acpi_object *obj;
1132 u16 devices;
996d23ba 1133 struct wmid3_gds_get_input_param get_params = {
72e71de1 1134 .function_num = 0x1,
34b6cfab 1135 .hotkey_number = commun_fn_key_number,
1d1fc8a7 1136 .devices = commun_func_bitmap,
72e71de1 1137 };
996d23ba
LCY		 1138 struct acpi_buffer get_input = {
1139 sizeof(struct wmid3_gds_get_input_param),
1140 &get_params
1141 };
1142 struct wmid3_gds_set_input_param set_params = {
1143 .function_num = 0x2,
1144 .hotkey_number = commun_fn_key_number,
1145 .devices = commun_func_bitmap,
1146 };
1147 struct acpi_buffer set_input = {
1148 sizeof(struct wmid3_gds_set_input_param),
1149 &set_params
72e71de1
LCY		 1150 };
1151 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1152 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1153
996d23ba 1154 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
72e71de1
LCY		 1155 if (ACPI_FAILURE(status))
1156 return status;
1157
1158 obj = output.pointer;
1159
1160 if (!obj)
1161 return AE_ERROR;
1162 else if (obj->type != ACPI_TYPE_BUFFER) {
1163 kfree(obj);
1164 return AE_ERROR;
1165 }
1166 if (obj->buffer.length != 8) {
6e71f38b 1167 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1168 kfree(obj);
1169 return AE_ERROR;
1170 }
1171
1172 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1173 kfree(obj);
1174
1175 if (return_value.error_code || return_value.ec_return_value) {
6e71f38b
JP		 1176 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1177 return_value.error_code,
72e71de1
LCY		 1178 return_value.ec_return_value);
1179 return status;
1180 }
1181
1182 devices = return_value.devices;
996d23ba 1183 set_params.devices = (value) ? (devices | device) : (devices & ~device);
72e71de1 1184
996d23ba 1185 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
72e71de1
LCY		 1186 if (ACPI_FAILURE(status))
1187 return status;
1188
1189 obj = output2.pointer;
1190
1191 if (!obj)
1192 return AE_ERROR;
1193 else if (obj->type != ACPI_TYPE_BUFFER) {
1194 kfree(obj);
1195 return AE_ERROR;
1196 }
1197 if (obj->buffer.length != 4) {
6e71f38b 1198 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
72e71de1
LCY		 1199 kfree(obj);
1200 return AE_ERROR;
1201 }
1202
1203 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1204 kfree(obj);
1205
1206 if (return_value.error_code || return_value.ec_return_value)
6e71f38b
JP		 1207 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1208 return_value.error_code,
72e71de1
LCY		 1209 return_value.ec_return_value);
1210
1211 return status;
1212}
1213
1214static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1215{
1216 u16 device;
1217
1218 switch (cap) {
1219 case ACER_CAP_WIRELESS:
1220 device = ACER_WMID3_GDS_WIRELESS;
1221 break;
1222 case ACER_CAP_BLUETOOTH:
1223 device = ACER_WMID3_GDS_BLUETOOTH;
1224 break;
1225 case ACER_CAP_THREEG:
1226 device = ACER_WMID3_GDS_THREEG;
1227 break;
1228 default:
1229 return AE_ERROR;
1230 }
1231 return wmid3_set_device_status(value, device);
1232}
1233
76d51dd9 1234static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
6c3df88f
LCY		 1235{
1236 struct hotkey_function_type_aa *type_aa;
1237
1238 /* We are looking for OEM-specific Type AAh */
1239 if (header->type != 0xAA)
1240 return;
1241
1242 has_type_aa = true;
1243 type_aa = (struct hotkey_function_type_aa *) header;
1244
cae15702 1245 pr_info("Function bitmap for Communication Button: 0x%x\n",
6c3df88f 1246 type_aa->commun_func_bitmap);
1d1fc8a7 1247 commun_func_bitmap = type_aa->commun_func_bitmap;
6c3df88f
LCY		 1248
1249 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1250 interface->capability |= ACER_CAP_WIRELESS;
1251 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1252 interface->capability |= ACER_CAP_THREEG;
1253 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1254 interface->capability |= ACER_CAP_BLUETOOTH;
3e2bc5c5
JPRV		 1255 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN) {
1256 interface->capability |= ACER_CAP_RFBTN;
1257 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
1258 }
34b6cfab
LCY		 1259
1260 commun_fn_key_number = type_aa->commun_fn_key_number;
6c3df88f
LCY		 1261}
1262
76d51dd9 1263static acpi_status __init WMID_set_capabilities(void)
745a5d21
CC		 1264{
1265 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1266 union acpi_object *obj;
1267 acpi_status status;
1268 u32 devices;
1269
62fc743c 1270 status = wmi_query_block(WMID_GUID2, 0, &out);
745a5d21
CC		 1271 if (ACPI_FAILURE(status))
1272 return status;
1273
1274 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 1275 if (obj) {
1276 if (obj->type == ACPI_TYPE_BUFFER &&
1277 (obj->buffer.length == sizeof(u32) ||
1278 obj->buffer.length == sizeof(u64))) {
1279 devices = *((u32 *) obj->buffer.pointer);
1280 } else if (obj->type == ACPI_TYPE_INTEGER) {
1281 devices = (u32) obj->integer.value;
f24c96ea
LCY		 1282 } else {
1283 kfree(out.pointer);
1284 return AE_ERROR;
f20aaba9 1285 }
745a5d21 1286 } else {
66904863 1287 kfree(out.pointer);
745a5d21
CC		 1288 return AE_ERROR;
1289 }
1290
1fbc01a7
LCY		 1291 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1292 if (devices & 0x07)
1293 interface->capability |= ACER_CAP_WIRELESS;
72e71de1
LCY		 1294 if (devices & 0x40)
1295 interface->capability |= ACER_CAP_THREEG;
1296 if (devices & 0x10)
1297 interface->capability |= ACER_CAP_BLUETOOTH;
745a5d21 1298
745a5d21
CC		 1299 if (!(devices & 0x20))
1300 max_brightness = 0x9;
1301
66904863 1302 kfree(out.pointer);
745a5d21
CC		 1303 return status;
1304}
1305
1306static struct wmi_interface wmid_interface = {
1307 .type = ACER_WMID,
1308};
1309
72e71de1
LCY		 1310static struct wmi_interface wmid_v2_interface = {
1311 .type = ACER_WMID_v2,
1312};
1313
745a5d21
CC		 1314/*
1315 * Generic Device (interface-independent)
1316 */
1317
1318static acpi_status get_u32(u32 *value, u32 cap)
1319{
08237974 1320 acpi_status status = AE_ERROR;
745a5d21
CC		 1321
1322 switch (interface->type) {
1323 case ACER_AMW0:
38db157d 1324 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1325 break;
1326 case ACER_AMW0_V2:
1327 if (cap == ACER_CAP_MAILLED) {
38db157d 1328 status = AMW0_get_u32(value, cap);
745a5d21
CC		 1329 break;
1330 }
1331 case ACER_WMID:
38db157d 1332 status = WMID_get_u32(value, cap);
745a5d21 1333 break;
72e71de1
LCY		 1334 case ACER_WMID_v2:
1335 if (cap & (ACER_CAP_WIRELESS |
1336 ACER_CAP_BLUETOOTH |
1337 ACER_CAP_THREEG))
1338 status = wmid_v2_get_u32(value, cap);
1339 else if (wmi_has_guid(WMID_GUID2))
38db157d 1340 status = WMID_get_u32(value, cap);
72e71de1 1341 break;
745a5d21
CC		 1342 }
1343
1344 return status;
1345}
1346
1347static acpi_status set_u32(u32 value, u32 cap)
1348{
5c742b45
CC		 1349 acpi_status status;
1350
745a5d21
CC		 1351 if (interface->capability & cap) {
1352 switch (interface->type) {
1353 case ACER_AMW0:
38db157d 1354 return AMW0_set_u32(value, cap);
745a5d21 1355 case ACER_AMW0_V2:
5c742b45 1356 if (cap == ACER_CAP_MAILLED)
38db157d 1357 return AMW0_set_u32(value, cap);
5c742b45
CC		 1358
1359 /*
1360 * On some models, some WMID methods don't toggle
1361 * properly. For those cases, we want to run the AMW0
1362 * method afterwards to be certain we've really toggled
1363 * the device state.
1364 */
1365 if (cap == ACER_CAP_WIRELESS ||
1366 cap == ACER_CAP_BLUETOOTH) {
38db157d 1367 status = WMID_set_u32(value, cap);
5c742b45
CC		 1368 if (ACPI_FAILURE(status))
1369 return status;
1370
38db157d 1371 return AMW0_set_u32(value, cap);
5c742b45 1372 }
745a5d21 1373 case ACER_WMID:
38db157d 1374 return WMID_set_u32(value, cap);
72e71de1
LCY		 1375 case ACER_WMID_v2:
1376 if (cap & (ACER_CAP_WIRELESS |
1377 ACER_CAP_BLUETOOTH |
1378 ACER_CAP_THREEG))
1379 return wmid_v2_set_u32(value, cap);
1380 else if (wmi_has_guid(WMID_GUID2))
38db157d 1381 return WMID_set_u32(value, cap);
745a5d21
CC		 1382 default:
1383 return AE_BAD_PARAMETER;
1384 }
1385 }
1386 return AE_BAD_PARAMETER;
1387}
1388
1389static void __init acer_commandline_init(void)
1390{
1391 /*
1392 * These will all fail silently if the value given is invalid, or the
1393 * capability isn't available on the given interface
1394 */
c2647b5e
LCY		 1395 if (mailled >= 0)
1396 set_u32(mailled, ACER_CAP_MAILLED);
1397 if (!has_type_aa && threeg >= 0)
6c3df88f 1398 set_u32(threeg, ACER_CAP_THREEG);
c2647b5e
LCY		 1399 if (brightness >= 0)
1400 set_u32(brightness, ACER_CAP_BRIGHTNESS);
745a5d21
CC		 1401}
1402
1403/*
1404 * LED device (Mail LED only, no other LEDs known yet)
1405 */
1406static void mail_led_set(struct led_classdev *led_cdev,
1407enum led_brightness value)
1408{
1409 set_u32(value, ACER_CAP_MAILLED);
1410}
1411
1412static struct led_classdev mail_led = {
343c0042 1413 .name = "acer-wmi::mail",
745a5d21
CC		 1414 .brightness_set = mail_led_set,
1415};
1416
b859f159 1417static int acer_led_init(struct device *dev)
745a5d21
CC		 1418{
1419 return led_classdev_register(dev, &mail_led);
1420}
1421
1422static void acer_led_exit(void)
1423{
9a0b74fd 1424 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 1425 led_classdev_unregister(&mail_led);
1426}
1427
1428/*
1429 * Backlight device
1430 */
1431static struct backlight_device *acer_backlight_device;
1432
1433static int read_brightness(struct backlight_device *bd)
1434{
1435 u32 value;
1436 get_u32(&value, ACER_CAP_BRIGHTNESS);
1437 return value;
1438}
1439
1440static int update_bl_status(struct backlight_device *bd)
1441{
f2b585b4
CC		 1442 int intensity = bd->props.brightness;
1443
1444 if (bd->props.power != FB_BLANK_UNBLANK)
1445 intensity = 0;
1446 if (bd->props.fb_blank != FB_BLANK_UNBLANK)
1447 intensity = 0;
1448
1449 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1450
745a5d21
CC		 1451 return 0;
1452}
1453
acc2472e 1454static const struct backlight_ops acer_bl_ops = {
745a5d21
CC		 1455 .get_brightness = read_brightness,
1456 .update_status = update_bl_status,
1457};
1458
b859f159 1459static int acer_backlight_init(struct device *dev)
745a5d21 1460{
a19a6ee6 1461 struct backlight_properties props;
745a5d21
CC		 1462 struct backlight_device *bd;
1463
a19a6ee6 1464 memset(&props, 0, sizeof(struct backlight_properties));
bb7ca747 1465 props.type = BACKLIGHT_PLATFORM;
a19a6ee6
MG		 1466 props.max_brightness = max_brightness;
1467 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1468 &props);
745a5d21 1469 if (IS_ERR(bd)) {
cae15702 1470 pr_err("Could not register Acer backlight device\n");
745a5d21
CC		 1471 acer_backlight_device = NULL;
1472 return PTR_ERR(bd);
1473 }
1474
1475 acer_backlight_device = bd;
1476
f2b585b4 1477 bd->props.power = FB_BLANK_UNBLANK;
6f6ef82c 1478 bd->props.brightness = read_brightness(bd);
745a5d21
CC		 1479 backlight_update_status(bd);
1480 return 0;
1481}
1482
7560e385 1483static void acer_backlight_exit(void)
745a5d21
CC		 1484{
1485 backlight_device_unregister(acer_backlight_device);
1486}
1487
1eb3fe1d
MV		 1488/*
1489 * Accelerometer device
1490 */
1491static acpi_handle gsensor_handle;
1492
1493static int acer_gsensor_init(void)
1494{
1495 acpi_status status;
1496 struct acpi_buffer output;
1497 union acpi_object out_obj;
1498
1499 output.length = sizeof(out_obj);
1500 output.pointer = &out_obj;
1501 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1502 if (ACPI_FAILURE(status))
1503 return -1;
1504
1505 return 0;
1506}
1507
1508static int acer_gsensor_open(struct input_dev *input)
1509{
1510 return acer_gsensor_init();
1511}
1512
1513static int acer_gsensor_event(void)
1514{
1515 acpi_status status;
1516 struct acpi_buffer output;
1517 union acpi_object out_obj[5];
1518
1519 if (!has_cap(ACER_CAP_ACCEL))
1520 return -1;
1521
1522 output.length = sizeof(out_obj);
1523 output.pointer = out_obj;
1524
1525 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1526 if (ACPI_FAILURE(status))
1527 return -1;
1528
1529 if (out_obj->package.count != 4)
1530 return -1;
1531
1532 input_report_abs(acer_wmi_accel_dev, ABS_X,
1533 (s16)out_obj->package.elements[0].integer.value);
1534 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1535 (s16)out_obj->package.elements[1].integer.value);
1536 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1537 (s16)out_obj->package.elements[2].integer.value);
1538 input_sync(acer_wmi_accel_dev);
1539 return 0;
1540}
1541
0606e1ab
CC		 1542/*
1543 * Rfkill devices
1544 */
0606e1ab
CC		 1545static void acer_rfkill_update(struct work_struct *ignored);
1546static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
1547static void acer_rfkill_update(struct work_struct *ignored)
1548{
1549 u32 state;
1550 acpi_status status;
1551
1709adab
LCY		 1552 if (has_cap(ACER_CAP_WIRELESS)) {
1553 status = get_u32(&state, ACER_CAP_WIRELESS);
1554 if (ACPI_SUCCESS(status)) {
1555 if (quirks->wireless == 3)
1556 rfkill_set_hw_state(wireless_rfkill, !state);
1557 else
1558 rfkill_set_sw_state(wireless_rfkill, !state);
15b956a0
LCY		 1559 }
1560 }
0606e1ab
CC		 1561
1562 if (has_cap(ACER_CAP_BLUETOOTH)) {
1563 status = get_u32(&state, ACER_CAP_BLUETOOTH);
1564 if (ACPI_SUCCESS(status))
a878417c 1565 rfkill_set_sw_state(bluetooth_rfkill, !state);
0606e1ab
CC		 1566 }
1567
b3c9092b 1568 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
72e71de1 1569 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
b3c9092b
LCY		 1570 if (ACPI_SUCCESS(status))
1571 rfkill_set_sw_state(threeg_rfkill, !state);
1572 }
1573
ae3a1b46 1574 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
0606e1ab
CC		 1575}
1576
19d337df 1577static int acer_rfkill_set(void *data, bool blocked)
0606e1ab
CC		 1578{
1579 acpi_status status;
19d337df 1580 u32 cap = (unsigned long)data;
8215af01
LCY		 1581
1582 if (rfkill_inited) {
72e71de1 1583 status = set_u32(!blocked, cap);
8215af01
LCY		 1584 if (ACPI_FAILURE(status))
1585 return -ENODEV;
1586 }
1587
0606e1ab
CC		 1588 return 0;
1589}
1590
19d337df
JB		 1591static const struct rfkill_ops acer_rfkill_ops = {
1592 .set_block = acer_rfkill_set,
1593};
1594
1595static struct rfkill *acer_rfkill_register(struct device *dev,
1596 enum rfkill_type type,
1597 char *name, u32 cap)
0606e1ab
CC		 1598{
1599 int err;
0606e1ab 1600 struct rfkill *rfkill_dev;
466449cf
LCY		 1601 u32 state;
1602 acpi_status status;
0606e1ab 1603
19d337df
JB		 1604 rfkill_dev = rfkill_alloc(name, dev, type,
1605 &acer_rfkill_ops,
1606 (void *)(unsigned long)cap);
0606e1ab
CC		 1607 if (!rfkill_dev)
1608 return ERR_PTR(-ENOMEM);
0606e1ab 1609
72e71de1 1610 status = get_u32(&state, cap);
466449cf 1611
0606e1ab
CC		 1612 err = rfkill_register(rfkill_dev);
1613 if (err) {
19d337df 1614 rfkill_destroy(rfkill_dev);
0606e1ab
CC		 1615 return ERR_PTR(err);
1616 }
8215af01
LCY		 1617
1618 if (ACPI_SUCCESS(status))
1619 rfkill_set_sw_state(rfkill_dev, !state);
1620
0606e1ab
CC		 1621 return rfkill_dev;
1622}
1623
1624static int acer_rfkill_init(struct device *dev)
1625{
1709adab
LCY		 1626 int err;
1627
1628 if (has_cap(ACER_CAP_WIRELESS)) {
1629 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
1630 "acer-wireless", ACER_CAP_WIRELESS);
1631 if (IS_ERR(wireless_rfkill)) {
1632 err = PTR_ERR(wireless_rfkill);
1633 goto error_wireless;
1634 }
1635 }
0606e1ab
CC		 1636
1637 if (has_cap(ACER_CAP_BLUETOOTH)) {
1638 bluetooth_rfkill = acer_rfkill_register(dev,
1639 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
1640 ACER_CAP_BLUETOOTH);
1641 if (IS_ERR(bluetooth_rfkill)) {
1709adab
LCY		 1642 err = PTR_ERR(bluetooth_rfkill);
1643 goto error_bluetooth;
0606e1ab
CC		 1644 }
1645 }
1646
b3c9092b
LCY		 1647 if (has_cap(ACER_CAP_THREEG)) {
1648 threeg_rfkill = acer_rfkill_register(dev,
1649 RFKILL_TYPE_WWAN, "acer-threeg",
1650 ACER_CAP_THREEG);
1651 if (IS_ERR(threeg_rfkill)) {
1709adab
LCY		 1652 err = PTR_ERR(threeg_rfkill);
1653 goto error_threeg;
b3c9092b
LCY		 1654 }
1655 }
1656
8215af01
LCY		 1657 rfkill_inited = true;
1658
1709adab
LCY		 1659 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1660 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904
LCY		 1661 schedule_delayed_work(&acer_rfkill_work,
1662 round_jiffies_relative(HZ));
0606e1ab
CC		 1663
1664 return 0;
1709adab
LCY		 1665
1666error_threeg:
1667 if (has_cap(ACER_CAP_BLUETOOTH)) {
1668 rfkill_unregister(bluetooth_rfkill);
1669 rfkill_destroy(bluetooth_rfkill);
1670 }
1671error_bluetooth:
1672 if (has_cap(ACER_CAP_WIRELESS)) {
1673 rfkill_unregister(wireless_rfkill);
1674 rfkill_destroy(wireless_rfkill);
1675 }
1676error_wireless:
1677 return err;
0606e1ab
CC		 1678}
1679
1680static void acer_rfkill_exit(void)
1681{
1709adab
LCY		 1682 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
1683 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
70a9b904 1684 cancel_delayed_work_sync(&acer_rfkill_work);
19d337df 1685
1709adab
LCY		 1686 if (has_cap(ACER_CAP_WIRELESS)) {
1687 rfkill_unregister(wireless_rfkill);
1688 rfkill_destroy(wireless_rfkill);
1689 }
19d337df 1690
0606e1ab 1691 if (has_cap(ACER_CAP_BLUETOOTH)) {
0606e1ab 1692 rfkill_unregister(bluetooth_rfkill);
19d337df 1693 rfkill_destroy(bluetooth_rfkill);
0606e1ab 1694 }
b3c9092b
LCY		 1695
1696 if (has_cap(ACER_CAP_THREEG)) {
1697 rfkill_unregister(threeg_rfkill);
1698 rfkill_destroy(threeg_rfkill);
1699 }
0606e1ab
CC		 1700 return;
1701}
1702
3fdca87d
LCY		 1703static void acer_wmi_notify(u32 value, void *context)
1704{
1705 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1706 union acpi_object *obj;
1707 struct event_return_value return_value;
1708 acpi_status status;
92530664
SF		 1709 u16 device_state;
1710 const struct key_entry *key;
8e2286ce 1711 u32 scancode;
3fdca87d
LCY		 1712
1713 status = wmi_get_event_data(value, &response);
1714 if (status != AE_OK) {
249c720d 1715 pr_warn("bad event status 0x%x\n", status);
3fdca87d
LCY		 1716 return;
1717 }
1718
1719 obj = (union acpi_object *)response.pointer;
1720
1721 if (!obj)
1722 return;
1723 if (obj->type != ACPI_TYPE_BUFFER) {
249c720d 1724 pr_warn("Unknown response received %d\n", obj->type);
3fdca87d
LCY		 1725 kfree(obj);
1726 return;
1727 }
1728 if (obj->buffer.length != 8) {
249c720d 1729 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
3fdca87d
LCY		 1730 kfree(obj);
1731 return;
1732 }
1733
1734 return_value = *((struct event_return_value *)obj->buffer.pointer);
1735 kfree(obj);
1736
1737 switch (return_value.function) {
1738 case WMID_HOTKEY_EVENT:
92530664
SF		 1739 device_state = return_value.device_state;
1740 pr_debug("device state: 0x%x\n", device_state);
1741
1742 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
1743 return_value.key_num);
1744 if (!key) {
249c720d 1745 pr_warn("Unknown key number - 0x%x\n",
3fdca87d 1746 return_value.key_num);
92530664 1747 } else {
8e2286ce 1748 scancode = return_value.key_num;
92530664
SF		 1749 switch (key->keycode) {
1750 case KEY_WLAN:
1751 case KEY_BLUETOOTH:
1752 if (has_cap(ACER_CAP_WIRELESS))
1753 rfkill_set_sw_state(wireless_rfkill,
1754 !(device_state & ACER_WMID3_GDS_WIRELESS));
1755 if (has_cap(ACER_CAP_THREEG))
1756 rfkill_set_sw_state(threeg_rfkill,
1757 !(device_state & ACER_WMID3_GDS_THREEG));
1758 if (has_cap(ACER_CAP_BLUETOOTH))
1759 rfkill_set_sw_state(bluetooth_rfkill,
1760 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
1761 break;
8e2286ce
LCY		 1762 case KEY_TOUCHPAD_TOGGLE:
1763 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
1764 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
92530664 1765 }
8e2286ce 1766 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
92530664 1767 }
3fdca87d 1768 break;
1eb3fe1d
MV		 1769 case WMID_ACCEL_EVENT:
1770 acer_gsensor_event();
1771 break;
3fdca87d 1772 default:
249c720d 1773 pr_warn("Unknown function number - %d - %d\n",
3fdca87d
LCY		 1774 return_value.function, return_value.key_num);
1775 break;
1776 }
1777}
1778
76d51dd9 1779static acpi_status __init
280642c3
CC		 1780wmid3_set_function_mode(struct func_input_params *params,
1781 struct func_return_value *return_value)
59ccf2f3
FLCY		 1782{
1783 acpi_status status;
1784 union acpi_object *obj;
1785
280642c3 1786 struct acpi_buffer input = { sizeof(struct func_input_params), params };
59ccf2f3
FLCY		 1787 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1788
1789 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
1790 if (ACPI_FAILURE(status))
1791 return status;
1792
1793 obj = output.pointer;
1794
1795 if (!obj)
1796 return AE_ERROR;
1797 else if (obj->type != ACPI_TYPE_BUFFER) {
1798 kfree(obj);
1799 return AE_ERROR;
1800 }
1801 if (obj->buffer.length != 4) {
249c720d 1802 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
59ccf2f3
FLCY		 1803 kfree(obj);
1804 return AE_ERROR;
1805 }
1806
280642c3 1807 *return_value = *((struct func_return_value *)obj->buffer.pointer);
59ccf2f3
FLCY		 1808 kfree(obj);
1809
1810 return status;
1811}
1812
76d51dd9 1813static int __init acer_wmi_enable_ec_raw(void)
59ccf2f3 1814{
280642c3 1815 struct func_return_value return_value;
59ccf2f3 1816 acpi_status status;
280642c3 1817 struct func_input_params params = {
59ccf2f3
FLCY		 1818 .function_num = 0x1,
1819 .commun_devices = 0xFFFF,
1820 .devices = 0xFFFF,
280642c3
CC		 1821 .app_status = 0x00, /* Launch Manager Deactive */
1822 .app_mask = 0x01,
59ccf2f3
FLCY		 1823 };
1824
280642c3 1825 status = wmid3_set_function_mode(&params, &return_value);
59ccf2f3
FLCY		 1826
1827 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1828 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
1829 return_value.error_code,
1830 return_value.ec_return_value);
59ccf2f3 1831 else
249c720d 1832 pr_info("Enabled EC raw mode\n");
59ccf2f3
FLCY		 1833
1834 return status;
1835}
1836
76d51dd9 1837static int __init acer_wmi_enable_lm(void)
59ccf2f3 1838{
280642c3 1839 struct func_return_value return_value;
59ccf2f3 1840 acpi_status status;
280642c3 1841 struct func_input_params params = {
59ccf2f3
FLCY		 1842 .function_num = 0x1,
1843 .commun_devices = 0xFFFF,
1844 .devices = 0xFFFF,
280642c3
CC		 1845 .app_status = 0x01, /* Launch Manager Active */
1846 .app_mask = 0x01,
59ccf2f3
FLCY		 1847 };
1848
280642c3 1849 status = wmid3_set_function_mode(&params, &return_value);
59ccf2f3
FLCY		 1850
1851 if (return_value.error_code || return_value.ec_return_value)
249c720d
JP		 1852 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
1853 return_value.error_code,
1854 return_value.ec_return_value);
59ccf2f3
FLCY		 1855
1856 return status;
1857}
1858
280642c3
CC		 1859static int __init acer_wmi_enable_rf_button(void)
1860{
1861 struct func_return_value return_value;
1862 acpi_status status;
1863 struct func_input_params params = {
1864 .function_num = 0x1,
1865 .commun_devices = 0xFFFF,
1866 .devices = 0xFFFF,
1867 .app_status = 0x10, /* RF Button Active */
1868 .app_mask = 0x10,
1869 };
1870
1871 status = wmid3_set_function_mode(&params, &return_value);
1872
1873 if (return_value.error_code || return_value.ec_return_value)
1874 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
1875 return_value.error_code,
1876 return_value.ec_return_value);
1877
1878 return status;
1879}
1880
98d610c3
LCY		 1881#define ACER_WMID_ACCEL_HID "BST0001"
1882
1eb3fe1d
MV		 1883static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
1884 void *ctx, void **retval)
1885{
98d610c3
LCY		 1886 struct acpi_device *dev;
1887
1888 if (!strcmp(ctx, "SENR")) {
1889 if (acpi_bus_get_device(ah, &dev))
1890 return AE_OK;
f9ac89f5 1891 if (strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev)))
98d610c3
LCY		 1892 return AE_OK;
1893 } else
1894 return AE_OK;
1895
1eb3fe1d 1896 *(acpi_handle *)retval = ah;
98d610c3
LCY		 1897
1898 return AE_CTRL_TERMINATE;
1eb3fe1d
MV		 1899}
1900
1901static int __init acer_wmi_get_handle(const char *name, const char *prop,
1902 acpi_handle *ah)
1903{
1904 acpi_status status;
1905 acpi_handle handle;
1906
1907 BUG_ON(!name || !ah);
1908
24237c43 1909 handle = NULL;
1eb3fe1d
MV		 1910 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1911 (void *)name, &handle);
f9ac89f5 1912 if (ACPI_SUCCESS(status) && handle) {
1eb3fe1d
MV		 1913 *ah = handle;
1914 return 0;
1915 } else {
1916 return -ENODEV;
1917 }
1918}
1919
1920static int __init acer_wmi_accel_setup(void)
1921{
1922 int err;
1923
98d610c3 1924 err = acer_wmi_get_handle("SENR", ACER_WMID_ACCEL_HID, &gsensor_handle);
1eb3fe1d
MV		 1925 if (err)
1926 return err;
1927
1928 interface->capability |= ACER_CAP_ACCEL;
1929
1930 acer_wmi_accel_dev = input_allocate_device();
1931 if (!acer_wmi_accel_dev)
1932 return -ENOMEM;
1933
1934 acer_wmi_accel_dev->open = acer_gsensor_open;
1935
1936 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
1937 acer_wmi_accel_dev->phys = "wmi/input1";
1938 acer_wmi_accel_dev->id.bustype = BUS_HOST;
1939 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
1940 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
1941 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
1942 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
1943
1944 err = input_register_device(acer_wmi_accel_dev);
1945 if (err)
1946 goto err_free_dev;
1947
1948 return 0;
1949
1950err_free_dev:
1951 input_free_device(acer_wmi_accel_dev);
1952 return err;
1953}
1954
1955static void acer_wmi_accel_destroy(void)
1956{
1957 input_unregister_device(acer_wmi_accel_dev);
1eb3fe1d
MV		 1958}
1959
3fdca87d
LCY		 1960static int __init acer_wmi_input_setup(void)
1961{
1962 acpi_status status;
1963 int err;
1964
1965 acer_wmi_input_dev = input_allocate_device();
1966 if (!acer_wmi_input_dev)
1967 return -ENOMEM;
1968
1969 acer_wmi_input_dev->name = "Acer WMI hotkeys";
1970 acer_wmi_input_dev->phys = "wmi/input0";
1971 acer_wmi_input_dev->id.bustype = BUS_HOST;
1972
1973 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
1974 if (err)
1975 goto err_free_dev;
1976
1977 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
1978 acer_wmi_notify, NULL);
1979 if (ACPI_FAILURE(status)) {
1980 err = -EIO;
cd1aaef0 1981 goto err_free_dev;
3fdca87d
LCY		 1982 }
1983
1984 err = input_register_device(acer_wmi_input_dev);
1985 if (err)
1986 goto err_uninstall_notifier;
1987
1988 return 0;
1989
1990err_uninstall_notifier:
1991 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
3fdca87d
LCY		 1992err_free_dev:
1993 input_free_device(acer_wmi_input_dev);
1994 return err;
1995}
1996
1997static void acer_wmi_input_destroy(void)
1998{
1999 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
3fdca87d
LCY		 2000 input_unregister_device(acer_wmi_input_dev);
2001}
2002
81143522
CC		 2003/*
2004 * debugfs functions
2005 */
2006static u32 get_wmid_devices(void)
2007{
2008 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2009 union acpi_object *obj;
2010 acpi_status status;
66904863 2011 u32 devices = 0;
81143522 2012
62fc743c 2013 status = wmi_query_block(WMID_GUID2, 0, &out);
81143522
CC		 2014 if (ACPI_FAILURE(status))
2015 return 0;
2016
2017 obj = (union acpi_object *) out.pointer;
f20aaba9
LCY		 2018 if (obj) {
2019 if (obj->type == ACPI_TYPE_BUFFER &&
2020 (obj->buffer.length == sizeof(u32) ||
2021 obj->buffer.length == sizeof(u64))) {
2022 devices = *((u32 *) obj->buffer.pointer);
2023 } else if (obj->type == ACPI_TYPE_INTEGER) {
2024 devices = (u32) obj->integer.value;
2025 }
81143522 2026 }
66904863
AL		 2027
2028 kfree(out.pointer);
2029 return devices;
81143522
CC		 2030}
2031
745a5d21
CC		 2032/*
2033 * Platform device
2034 */
b859f159 2035static int acer_platform_probe(struct platform_device *device)
745a5d21
CC		 2036{
2037 int err;
2038
2039 if (has_cap(ACER_CAP_MAILLED)) {
2040 err = acer_led_init(&device->dev);
2041 if (err)
2042 goto error_mailled;
2043 }
2044
2045 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2046 err = acer_backlight_init(&device->dev);
2047 if (err)
2048 goto error_brightness;
2049 }
2050
0606e1ab 2051 err = acer_rfkill_init(&device->dev);
350e3290
AW		 2052 if (err)
2053 goto error_rfkill;
0606e1ab
CC		 2054
2055 return err;
745a5d21 2056
350e3290
AW		 2057error_rfkill:
2058 if (has_cap(ACER_CAP_BRIGHTNESS))
2059 acer_backlight_exit();
745a5d21 2060error_brightness:
350e3290
AW		 2061 if (has_cap(ACER_CAP_MAILLED))
2062 acer_led_exit();
745a5d21
CC		 2063error_mailled:
2064 return err;
2065}
2066
2067static int acer_platform_remove(struct platform_device *device)
2068{
2069 if (has_cap(ACER_CAP_MAILLED))
2070 acer_led_exit();
2071 if (has_cap(ACER_CAP_BRIGHTNESS))
2072 acer_backlight_exit();
0606e1ab
CC		 2073
2074 acer_rfkill_exit();
745a5d21
CC		 2075 return 0;
2076}
2077
80f65558 2078#ifdef CONFIG_PM_SLEEP
3c33be0b 2079static int acer_suspend(struct device *dev)
745a5d21
CC		 2080{
2081 u32 value;
2082 struct acer_data *data = &interface->data;
2083
2084 if (!data)
2085 return -ENOMEM;
2086
745a5d21
CC		 2087 if (has_cap(ACER_CAP_MAILLED)) {
2088 get_u32(&value, ACER_CAP_MAILLED);
9a0b74fd 2089 set_u32(LED_OFF, ACER_CAP_MAILLED);
745a5d21
CC		 2090 data->mailled = value;
2091 }
2092
2093 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2094 get_u32(&value, ACER_CAP_BRIGHTNESS);
2095 data->brightness = value;
2096 }
2097
2098 return 0;
2099}
2100
3c33be0b 2101static int acer_resume(struct device *dev)
745a5d21
CC		 2102{
2103 struct acer_data *data = &interface->data;
2104
2105 if (!data)
2106 return -ENOMEM;
2107
745a5d21
CC		 2108 if (has_cap(ACER_CAP_MAILLED))
2109 set_u32(data->mailled, ACER_CAP_MAILLED);
2110
2111 if (has_cap(ACER_CAP_BRIGHTNESS))
2112 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2113
1eb3fe1d
MV		 2114 if (has_cap(ACER_CAP_ACCEL))
2115 acer_gsensor_init();
2116
745a5d21
CC		 2117 return 0;
2118}
80f65558
MK		 2119#else
2120#define acer_suspend NULL
2121#define acer_resume NULL
2122#endif
745a5d21 2123
3c33be0b
RW		 2124static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2125
9a0b74fd
PR		 2126static void acer_platform_shutdown(struct platform_device *device)
2127{
2128 struct acer_data *data = &interface->data;
2129
2130 if (!data)
2131 return;
2132
2133 if (has_cap(ACER_CAP_MAILLED))
2134 set_u32(LED_OFF, ACER_CAP_MAILLED);
2135}
2136
745a5d21
CC		 2137static struct platform_driver acer_platform_driver = {
2138 .driver = {
2139 .name = "acer-wmi",
3c33be0b 2140 .pm = &acer_pm,
745a5d21
CC		 2141 },
2142 .probe = acer_platform_probe,
2143 .remove = acer_platform_remove,
9a0b74fd 2144 .shutdown = acer_platform_shutdown,
745a5d21
CC		 2145};
2146
2147static struct platform_device *acer_platform_device;
2148
81143522
CC		 2149static void remove_debugfs(void)
2150{
2151 debugfs_remove(interface->debug.devices);
2152 debugfs_remove(interface->debug.root);
2153}
2154
76d51dd9 2155static int __init create_debugfs(void)
81143522
CC		 2156{
2157 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2158 if (!interface->debug.root) {
cae15702 2159 pr_err("Failed to create debugfs directory");
81143522
CC		 2160 return -ENOMEM;
2161 }
2162
2163 interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
2164 interface->debug.root,
2165 &interface->debug.wmid_devices);
2166 if (!interface->debug.devices)
2167 goto error_debugfs;
2168
2169 return 0;
2170
2171error_debugfs:
39dbbb45 2172 remove_debugfs();
81143522
CC		 2173 return -ENOMEM;
2174}
2175
745a5d21
CC		 2176static int __init acer_wmi_init(void)
2177{
2178 int err;
2179
cae15702 2180 pr_info("Acer Laptop ACPI-WMI Extras\n");
745a5d21 2181
a74dd5fd 2182 if (dmi_check_system(acer_blacklist)) {
cae15702 2183 pr_info("Blacklisted hardware detected - not loading\n");
a74dd5fd
CC		 2184 return -ENODEV;
2185 }
2186
9991d9f2
CC		 2187 find_quirks();
2188
5241b193
LCY		 2189 /*
2190 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2191 * machines like Lenovo, Fujitsu and Medion. In the past days,
2192 * acer-wmi driver handled those non-Acer machines by quirks list.
2193 * But actually acer-wmi driver was loaded on any machines that have
2194 * AMW0_GUID1. This behavior is strange because those machines should
2195 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2196 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2197 * should be in Acer/Gateway/Packard Bell white list, or it's already
2198 * in the past quirk list.
2199 */
2200 if (wmi_has_guid(AMW0_GUID1) &&
2201 !dmi_check_system(amw0_whitelist) &&
2202 quirks == &quirk_unknown) {
9bd5196e 2203 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
5241b193
LCY		 2204 return -ENODEV;
2205 }
2206
745a5d21
CC		 2207 /*
2208 * Detect which ACPI-WMI interface we're using.
2209 */
2210 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2211 interface = &AMW0_V2_interface;
2212
2213 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2214 interface = &wmid_interface;
2215
72e71de1
LCY		 2216 if (wmi_has_guid(WMID_GUID3))
2217 interface = &wmid_v2_interface;
2218
2219 if (interface)
2220 dmi_walk(type_aa_dmi_decode, NULL);
2221
745a5d21 2222 if (wmi_has_guid(WMID_GUID2) && interface) {
72e71de1 2223 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
cae15702 2224 pr_err("Unable to detect available WMID devices\n");
745a5d21
CC		 2225 return -ENODEV;
2226 }
72e71de1
LCY		 2227 /* WMID always provides brightness methods */
2228 interface->capability |= ACER_CAP_BRIGHTNESS;
2229 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) {
cae15702 2230 pr_err("No WMID device detection method found\n");
745a5d21
CC		 2231 return -ENODEV;
2232 }
2233
2234 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2235 interface = &AMW0_interface;
2236
2237 if (ACPI_FAILURE(AMW0_set_capabilities())) {
cae15702 2238 pr_err("Unable to detect available AMW0 devices\n");
745a5d21
CC		 2239 return -ENODEV;
2240 }
2241 }
2242
9b963c40
CC		 2243 if (wmi_has_guid(AMW0_GUID1))
2244 AMW0_find_mailled();
745a5d21 2245
745a5d21 2246 if (!interface) {
cae15702 2247 pr_err("No or unsupported WMI interface, unable to load\n");
745a5d21
CC		 2248 return -ENODEV;
2249 }
2250
83097aca
AV		 2251 set_quirks();
2252
a60b2176 2253 if (dmi_check_system(video_vendor_dmi_table))
9a65f0df
HG		 2254 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2255
2256 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
a60b2176 2257 interface->capability &= ~ACER_CAP_BRIGHTNESS;
febf2d95 2258
59ccf2f3 2259 if (wmi_has_guid(WMID_GUID3)) {
280642c3
CC		 2260 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
2261 pr_warn("Cannot enable RF Button Driver\n");
2262
59ccf2f3
FLCY		 2263 if (ec_raw_mode) {
2264 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
cae15702 2265 pr_err("Cannot enable EC raw mode\n");
59ccf2f3
FLCY		 2266 return -ENODEV;
2267 }
2268 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
cae15702 2269 pr_err("Cannot enable Launch Manager mode\n");
59ccf2f3
FLCY		 2270 return -ENODEV;
2271 }
2272 } else if (ec_raw_mode) {
cae15702 2273 pr_info("No WMID EC raw mode enable method\n");
59ccf2f3
FLCY		 2274 }
2275
3fdca87d
LCY		 2276 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2277 err = acer_wmi_input_setup();
2278 if (err)
2279 return err;
98d610c3 2280 err = acer_wmi_accel_setup();
f9ac89f5
LCY		 2281 if (err && err != -ENODEV)
2282 pr_warn("Cannot enable accelerometer\n");
3fdca87d
LCY		 2283 }
2284
1c79632b
AL		 2285 err = platform_driver_register(&acer_platform_driver);
2286 if (err) {
6e71f38b 2287 pr_err("Unable to register platform driver\n");
745a5d21
CC		 2288 goto error_platform_register;
2289 }
1c79632b 2290
745a5d21 2291 acer_platform_device = platform_device_alloc("acer-wmi", -1);
1c79632b
AL		 2292 if (!acer_platform_device) {
2293 err = -ENOMEM;
2294 goto error_device_alloc;
2295 }
2296
2297 err = platform_device_add(acer_platform_device);
2298 if (err)
2299 goto error_device_add;
745a5d21 2300
81143522
CC		 2301 if (wmi_has_guid(WMID_GUID2)) {
2302 interface->debug.wmid_devices = get_wmid_devices();
2303 err = create_debugfs();
2304 if (err)
1c79632b 2305 goto error_create_debugfs;
81143522
CC		 2306 }
2307
745a5d21
CC		 2308 /* Override any initial settings with values from the commandline */
2309 acer_commandline_init();
2310
2311 return 0;
2312
1c79632b 2313error_create_debugfs:
1c79632b
AL		 2314 platform_device_del(acer_platform_device);
2315error_device_add:
2316 platform_device_put(acer_platform_device);
2317error_device_alloc:
2318 platform_driver_unregister(&acer_platform_driver);
745a5d21 2319error_platform_register:
3fdca87d
LCY		 2320 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2321 acer_wmi_input_destroy();
1eb3fe1d
MV		 2322 if (has_cap(ACER_CAP_ACCEL))
2323 acer_wmi_accel_destroy();
3fdca87d 2324
1c79632b 2325 return err;
745a5d21
CC		 2326}
2327
2328static void __exit acer_wmi_exit(void)
2329{
3fdca87d
LCY		 2330 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2331 acer_wmi_input_destroy();
2332
1eb3fe1d
MV		 2333 if (has_cap(ACER_CAP_ACCEL))
2334 acer_wmi_accel_destroy();
2335
39dbbb45 2336 remove_debugfs();
97ba0af0 2337 platform_device_unregister(acer_platform_device);
745a5d21
CC		 2338 platform_driver_unregister(&acer_platform_driver);
2339
cae15702 2340 pr_info("Acer Laptop WMI Extras unloaded\n");
745a5d21
CC		 2341 return;
2342}
2343
2344module_init(acer_wmi_init);
2345module_exit(acer_wmi_exit);
Linux 6.x block layer and io_uring tree(s)