]>
Commit | Line | Data |
---|---|---|
745a5d21 CC |
1 | /* |
2 | * Acer WMI Laptop Extras | |
3 | * | |
4f0175dc | 4 | * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk> |
745a5d21 CC |
5 | * |
6 | * Based on acer_acpi: | |
7 | * Copyright (C) 2005-2007 E.M. Smith | |
8 | * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | ||
cae15702 LCY |
25 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
26 | ||
745a5d21 CC |
27 | #include <linux/kernel.h> |
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/types.h> | |
31 | #include <linux/dmi.h> | |
f2b585b4 | 32 | #include <linux/fb.h> |
745a5d21 CC |
33 | #include <linux/backlight.h> |
34 | #include <linux/leds.h> | |
35 | #include <linux/platform_device.h> | |
36 | #include <linux/acpi.h> | |
37 | #include <linux/i8042.h> | |
0606e1ab CC |
38 | #include <linux/rfkill.h> |
39 | #include <linux/workqueue.h> | |
81143522 | 40 | #include <linux/debugfs.h> |
5a0e3ad6 | 41 | #include <linux/slab.h> |
3fdca87d LCY |
42 | #include <linux/input.h> |
43 | #include <linux/input/sparse-keymap.h> | |
745a5d21 CC |
44 | |
45 | #include <acpi/acpi_drivers.h> | |
46 | ||
47 | MODULE_AUTHOR("Carlos Corbacho"); | |
48 | MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); | |
49 | MODULE_LICENSE("GPL"); | |
50 | ||
745a5d21 CC |
51 | /* |
52 | * Magic Number | |
53 | * Meaning is unknown - this number is required for writing to ACPI for AMW0 | |
54 | * (it's also used in acerhk when directly accessing the BIOS) | |
55 | */ | |
56 | #define ACER_AMW0_WRITE 0x9610 | |
57 | ||
58 | /* | |
59 | * Bit masks for the AMW0 interface | |
60 | */ | |
61 | #define ACER_AMW0_WIRELESS_MASK 0x35 | |
62 | #define ACER_AMW0_BLUETOOTH_MASK 0x34 | |
63 | #define ACER_AMW0_MAILLED_MASK 0x31 | |
64 | ||
65 | /* | |
66 | * Method IDs for WMID interface | |
67 | */ | |
68 | #define ACER_WMID_GET_WIRELESS_METHODID 1 | |
69 | #define ACER_WMID_GET_BLUETOOTH_METHODID 2 | |
70 | #define ACER_WMID_GET_BRIGHTNESS_METHODID 3 | |
71 | #define ACER_WMID_SET_WIRELESS_METHODID 4 | |
72 | #define ACER_WMID_SET_BLUETOOTH_METHODID 5 | |
73 | #define ACER_WMID_SET_BRIGHTNESS_METHODID 6 | |
74 | #define ACER_WMID_GET_THREEG_METHODID 10 | |
75 | #define ACER_WMID_SET_THREEG_METHODID 11 | |
76 | ||
77 | /* | |
78 | * Acer ACPI method GUIDs | |
79 | */ | |
80 | #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" | |
5753dd53 | 81 | #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" |
bbb70607 | 82 | #define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3" |
298f19b2 | 83 | #define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A" |
b3c9092b | 84 | #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" |
745a5d21 | 85 | |
3fdca87d LCY |
86 | /* |
87 | * Acer ACPI event GUIDs | |
88 | */ | |
89 | #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026" | |
90 | ||
745a5d21 | 91 | MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); |
08a0799d | 92 | MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"); |
3fdca87d LCY |
93 | MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); |
94 | ||
95 | enum acer_wmi_event_ids { | |
96 | WMID_HOTKEY_EVENT = 0x1, | |
97 | }; | |
98 | ||
99 | static const struct key_entry acer_wmi_keymap[] = { | |
100 | {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ | |
8ae68de1 | 101 | {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */ |
3fdca87d LCY |
102 | {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */ |
103 | {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */ | |
104 | {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */ | |
105 | {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */ | |
106 | {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */ | |
8ae68de1 MF |
107 | {KE_IGNORE, 0x41, {KEY_MUTE} }, |
108 | {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} }, | |
109 | {KE_IGNORE, 0x43, {KEY_NEXTSONG} }, | |
110 | {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} }, | |
111 | {KE_IGNORE, 0x45, {KEY_STOP} }, | |
112 | {KE_IGNORE, 0x48, {KEY_VOLUMEUP} }, | |
113 | {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} }, | |
114 | {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} }, | |
115 | {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} }, | |
116 | {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} }, | |
3fdca87d | 117 | {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ |
8ae68de1 | 118 | {KE_IGNORE, 0x81, {KEY_SLEEP} }, |
8941178e | 119 | {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad On/Off */ |
8ae68de1 | 120 | {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} }, |
3fdca87d LCY |
121 | {KE_END, 0} |
122 | }; | |
123 | ||
124 | static struct input_dev *acer_wmi_input_dev; | |
125 | ||
126 | struct 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 */ |
b3c9092b | 140 | |
59ccf2f3 FLCY |
141 | struct lm_input_params { |
142 | u8 function_num; /* Function Number */ | |
143 | u16 commun_devices; /* Communication type devices default status */ | |
144 | u16 devices; /* Other type devices default status */ | |
145 | u8 lm_status; /* Launch Manager Status */ | |
146 | u16 reserved; | |
147 | } __attribute__((packed)); | |
148 | ||
149 | struct lm_return_value { | |
150 | u8 error_code; /* Error Code */ | |
151 | u8 ec_return_value; /* EC Return Value */ | |
152 | u16 reserved; | |
153 | } __attribute__((packed)); | |
154 | ||
b3c9092b LCY |
155 | struct wmid3_gds_input_param { /* Get Device Status input parameter */ |
156 | u8 function_num; /* Function Number */ | |
157 | u8 hotkey_number; /* Hotkey Number */ | |
158 | u16 devices; /* Get Device */ | |
159 | } __attribute__((packed)); | |
160 | ||
161 | struct wmid3_gds_return_value { /* Get Device Status return value*/ | |
162 | u8 error_code; /* Error Code */ | |
163 | u8 ec_return_value; /* EC Return Value */ | |
164 | u16 devices; /* Current Device Status */ | |
165 | u32 reserved; | |
166 | } __attribute__((packed)); | |
167 | ||
6c3df88f LCY |
168 | struct hotkey_function_type_aa { |
169 | u8 type; | |
170 | u8 length; | |
171 | u16 handle; | |
172 | u16 commun_func_bitmap; | |
173 | } __attribute__((packed)); | |
174 | ||
745a5d21 CC |
175 | /* |
176 | * Interface capability flags | |
177 | */ | |
178 | #define ACER_CAP_MAILLED (1<<0) | |
179 | #define ACER_CAP_WIRELESS (1<<1) | |
180 | #define ACER_CAP_BLUETOOTH (1<<2) | |
181 | #define ACER_CAP_BRIGHTNESS (1<<3) | |
182 | #define ACER_CAP_THREEG (1<<4) | |
183 | #define ACER_CAP_ANY (0xFFFFFFFF) | |
184 | ||
185 | /* | |
186 | * Interface type flags | |
187 | */ | |
188 | enum interface_flags { | |
189 | ACER_AMW0, | |
190 | ACER_AMW0_V2, | |
191 | ACER_WMID, | |
192 | }; | |
193 | ||
194 | #define ACER_DEFAULT_WIRELESS 0 | |
195 | #define ACER_DEFAULT_BLUETOOTH 0 | |
196 | #define ACER_DEFAULT_MAILLED 0 | |
197 | #define ACER_DEFAULT_THREEG 0 | |
198 | ||
199 | static int max_brightness = 0xF; | |
200 | ||
745a5d21 CC |
201 | static int mailled = -1; |
202 | static int brightness = -1; | |
203 | static int threeg = -1; | |
204 | static int force_series; | |
59ccf2f3 | 205 | static bool ec_raw_mode; |
6c3df88f | 206 | static bool has_type_aa; |
745a5d21 CC |
207 | |
208 | module_param(mailled, int, 0444); | |
745a5d21 CC |
209 | module_param(brightness, int, 0444); |
210 | module_param(threeg, int, 0444); | |
211 | module_param(force_series, int, 0444); | |
59ccf2f3 | 212 | module_param(ec_raw_mode, bool, 0444); |
745a5d21 CC |
213 | MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); |
214 | MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); | |
215 | MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); | |
216 | MODULE_PARM_DESC(force_series, "Force a different laptop series"); | |
59ccf2f3 | 217 | MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode"); |
745a5d21 CC |
218 | |
219 | struct acer_data { | |
220 | int mailled; | |
745a5d21 CC |
221 | int threeg; |
222 | int brightness; | |
223 | }; | |
224 | ||
81143522 CC |
225 | struct acer_debug { |
226 | struct dentry *root; | |
227 | struct dentry *devices; | |
228 | u32 wmid_devices; | |
229 | }; | |
230 | ||
0606e1ab CC |
231 | static struct rfkill *wireless_rfkill; |
232 | static struct rfkill *bluetooth_rfkill; | |
b3c9092b | 233 | static struct rfkill *threeg_rfkill; |
8215af01 | 234 | static bool rfkill_inited; |
0606e1ab | 235 | |
745a5d21 CC |
236 | /* Each low-level interface must define at least some of the following */ |
237 | struct wmi_interface { | |
238 | /* The WMI device type */ | |
239 | u32 type; | |
240 | ||
241 | /* The capabilities this interface provides */ | |
242 | u32 capability; | |
243 | ||
244 | /* Private data for the current interface */ | |
245 | struct acer_data data; | |
81143522 CC |
246 | |
247 | /* debugfs entries associated with this interface */ | |
248 | struct acer_debug debug; | |
745a5d21 CC |
249 | }; |
250 | ||
251 | /* The static interface pointer, points to the currently detected interface */ | |
252 | static struct wmi_interface *interface; | |
253 | ||
254 | /* | |
255 | * Embedded Controller quirks | |
256 | * Some laptops require us to directly access the EC to either enable or query | |
257 | * features that are not available through WMI. | |
258 | */ | |
259 | ||
260 | struct quirk_entry { | |
261 | u8 wireless; | |
262 | u8 mailled; | |
9991d9f2 | 263 | s8 brightness; |
745a5d21 CC |
264 | u8 bluetooth; |
265 | }; | |
266 | ||
267 | static struct quirk_entry *quirks; | |
268 | ||
269 | static void set_quirks(void) | |
270 | { | |
83097aca AV |
271 | if (!interface) |
272 | return; | |
273 | ||
745a5d21 CC |
274 | if (quirks->mailled) |
275 | interface->capability |= ACER_CAP_MAILLED; | |
276 | ||
277 | if (quirks->brightness) | |
278 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
279 | } | |
280 | ||
281 | static int dmi_matched(const struct dmi_system_id *dmi) | |
282 | { | |
283 | quirks = dmi->driver_data; | |
d53bf0f3 | 284 | return 1; |
745a5d21 CC |
285 | } |
286 | ||
287 | static struct quirk_entry quirk_unknown = { | |
288 | }; | |
289 | ||
9991d9f2 CC |
290 | static struct quirk_entry quirk_acer_aspire_1520 = { |
291 | .brightness = -1, | |
292 | }; | |
293 | ||
745a5d21 CC |
294 | static struct quirk_entry quirk_acer_travelmate_2490 = { |
295 | .mailled = 1, | |
296 | }; | |
297 | ||
298 | /* This AMW0 laptop has no bluetooth */ | |
299 | static struct quirk_entry quirk_medion_md_98300 = { | |
300 | .wireless = 1, | |
301 | }; | |
302 | ||
6f061ab5 CC |
303 | static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { |
304 | .wireless = 2, | |
305 | }; | |
306 | ||
a74dd5fd CC |
307 | /* The Aspire One has a dummy ACPI-WMI interface - disable it */ |
308 | static struct dmi_system_id __devinitdata acer_blacklist[] = { | |
309 | { | |
310 | .ident = "Acer Aspire One (SSD)", | |
311 | .matches = { | |
312 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
313 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"), | |
314 | }, | |
315 | }, | |
316 | { | |
317 | .ident = "Acer Aspire One (HDD)", | |
318 | .matches = { | |
319 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
320 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), | |
321 | }, | |
322 | }, | |
323 | {} | |
324 | }; | |
325 | ||
745a5d21 | 326 | static struct dmi_system_id acer_quirks[] = { |
9991d9f2 CC |
327 | { |
328 | .callback = dmi_matched, | |
329 | .ident = "Acer Aspire 1360", | |
330 | .matches = { | |
331 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
332 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), | |
333 | }, | |
334 | .driver_data = &quirk_acer_aspire_1520, | |
335 | }, | |
336 | { | |
337 | .callback = dmi_matched, | |
338 | .ident = "Acer Aspire 1520", | |
339 | .matches = { | |
340 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
341 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), | |
342 | }, | |
343 | .driver_data = &quirk_acer_aspire_1520, | |
344 | }, | |
745a5d21 CC |
345 | { |
346 | .callback = dmi_matched, | |
347 | .ident = "Acer Aspire 3100", | |
348 | .matches = { | |
349 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
350 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), | |
351 | }, | |
352 | .driver_data = &quirk_acer_travelmate_2490, | |
353 | }, | |
ed9cfe98 CC |
354 | { |
355 | .callback = dmi_matched, | |
356 | .ident = "Acer Aspire 3610", | |
357 | .matches = { | |
358 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
359 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), | |
360 | }, | |
361 | .driver_data = &quirk_acer_travelmate_2490, | |
362 | }, | |
745a5d21 CC |
363 | { |
364 | .callback = dmi_matched, | |
365 | .ident = "Acer Aspire 5100", | |
366 | .matches = { | |
367 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
368 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), | |
369 | }, | |
370 | .driver_data = &quirk_acer_travelmate_2490, | |
371 | }, | |
ed9cfe98 CC |
372 | { |
373 | .callback = dmi_matched, | |
374 | .ident = "Acer Aspire 5610", | |
375 | .matches = { | |
376 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
377 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), | |
378 | }, | |
379 | .driver_data = &quirk_acer_travelmate_2490, | |
380 | }, | |
745a5d21 CC |
381 | { |
382 | .callback = dmi_matched, | |
383 | .ident = "Acer Aspire 5630", | |
384 | .matches = { | |
385 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
386 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), | |
387 | }, | |
388 | .driver_data = &quirk_acer_travelmate_2490, | |
389 | }, | |
390 | { | |
391 | .callback = dmi_matched, | |
392 | .ident = "Acer Aspire 5650", | |
393 | .matches = { | |
394 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
395 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), | |
396 | }, | |
397 | .driver_data = &quirk_acer_travelmate_2490, | |
398 | }, | |
399 | { | |
400 | .callback = dmi_matched, | |
401 | .ident = "Acer Aspire 5680", | |
402 | .matches = { | |
403 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
404 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), | |
405 | }, | |
406 | .driver_data = &quirk_acer_travelmate_2490, | |
407 | }, | |
408 | { | |
409 | .callback = dmi_matched, | |
410 | .ident = "Acer Aspire 9110", | |
411 | .matches = { | |
412 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
413 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), | |
414 | }, | |
415 | .driver_data = &quirk_acer_travelmate_2490, | |
416 | }, | |
417 | { | |
418 | .callback = dmi_matched, | |
419 | .ident = "Acer TravelMate 2490", | |
420 | .matches = { | |
421 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
422 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), | |
423 | }, | |
424 | .driver_data = &quirk_acer_travelmate_2490, | |
425 | }, | |
262ee35b CC |
426 | { |
427 | .callback = dmi_matched, | |
428 | .ident = "Acer TravelMate 4200", | |
429 | .matches = { | |
430 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
431 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), | |
432 | }, | |
433 | .driver_data = &quirk_acer_travelmate_2490, | |
434 | }, | |
6f061ab5 CC |
435 | { |
436 | .callback = dmi_matched, | |
437 | .ident = "Fujitsu Siemens Amilo Li 1718", | |
438 | .matches = { | |
439 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
440 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), | |
441 | }, | |
442 | .driver_data = &quirk_fujitsu_amilo_li_1718, | |
443 | }, | |
745a5d21 CC |
444 | { |
445 | .callback = dmi_matched, | |
446 | .ident = "Medion MD 98300", | |
447 | .matches = { | |
448 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
449 | DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), | |
450 | }, | |
451 | .driver_data = &quirk_medion_md_98300, | |
452 | }, | |
453 | {} | |
454 | }; | |
455 | ||
456 | /* Find which quirks are needed for a particular vendor/ model pair */ | |
457 | static void find_quirks(void) | |
458 | { | |
459 | if (!force_series) { | |
460 | dmi_check_system(acer_quirks); | |
461 | } else if (force_series == 2490) { | |
462 | quirks = &quirk_acer_travelmate_2490; | |
463 | } | |
464 | ||
465 | if (quirks == NULL) | |
466 | quirks = &quirk_unknown; | |
467 | ||
468 | set_quirks(); | |
469 | } | |
470 | ||
471 | /* | |
472 | * General interface convenience methods | |
473 | */ | |
474 | ||
475 | static bool has_cap(u32 cap) | |
476 | { | |
477 | if ((interface->capability & cap) != 0) | |
478 | return 1; | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
483 | /* | |
484 | * AMW0 (V1) interface | |
485 | */ | |
486 | struct wmab_args { | |
487 | u32 eax; | |
488 | u32 ebx; | |
489 | u32 ecx; | |
490 | u32 edx; | |
491 | }; | |
492 | ||
493 | struct wmab_ret { | |
494 | u32 eax; | |
495 | u32 ebx; | |
496 | u32 ecx; | |
497 | u32 edx; | |
498 | u32 eex; | |
499 | }; | |
500 | ||
501 | static acpi_status wmab_execute(struct wmab_args *regbuf, | |
502 | struct acpi_buffer *result) | |
503 | { | |
504 | struct acpi_buffer input; | |
505 | acpi_status status; | |
506 | input.length = sizeof(struct wmab_args); | |
507 | input.pointer = (u8 *)regbuf; | |
508 | ||
509 | status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result); | |
510 | ||
511 | return status; | |
512 | } | |
513 | ||
514 | static acpi_status AMW0_get_u32(u32 *value, u32 cap, | |
515 | struct wmi_interface *iface) | |
516 | { | |
517 | int err; | |
518 | u8 result; | |
519 | ||
520 | switch (cap) { | |
521 | case ACER_CAP_MAILLED: | |
522 | switch (quirks->mailled) { | |
523 | default: | |
524 | err = ec_read(0xA, &result); | |
525 | if (err) | |
526 | return AE_ERROR; | |
527 | *value = (result >> 7) & 0x1; | |
528 | return AE_OK; | |
529 | } | |
530 | break; | |
531 | case ACER_CAP_WIRELESS: | |
532 | switch (quirks->wireless) { | |
533 | case 1: | |
534 | err = ec_read(0x7B, &result); | |
535 | if (err) | |
536 | return AE_ERROR; | |
537 | *value = result & 0x1; | |
538 | return AE_OK; | |
6f061ab5 CC |
539 | case 2: |
540 | err = ec_read(0x71, &result); | |
541 | if (err) | |
542 | return AE_ERROR; | |
543 | *value = result & 0x1; | |
544 | return AE_OK; | |
745a5d21 CC |
545 | default: |
546 | err = ec_read(0xA, &result); | |
547 | if (err) | |
548 | return AE_ERROR; | |
549 | *value = (result >> 2) & 0x1; | |
550 | return AE_OK; | |
551 | } | |
552 | break; | |
553 | case ACER_CAP_BLUETOOTH: | |
554 | switch (quirks->bluetooth) { | |
555 | default: | |
556 | err = ec_read(0xA, &result); | |
557 | if (err) | |
558 | return AE_ERROR; | |
559 | *value = (result >> 4) & 0x1; | |
560 | return AE_OK; | |
561 | } | |
562 | break; | |
563 | case ACER_CAP_BRIGHTNESS: | |
564 | switch (quirks->brightness) { | |
565 | default: | |
566 | err = ec_read(0x83, &result); | |
567 | if (err) | |
568 | return AE_ERROR; | |
569 | *value = result; | |
570 | return AE_OK; | |
571 | } | |
572 | break; | |
573 | default: | |
08237974 | 574 | return AE_ERROR; |
745a5d21 CC |
575 | } |
576 | return AE_OK; | |
577 | } | |
578 | ||
579 | static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface) | |
580 | { | |
581 | struct wmab_args args; | |
582 | ||
583 | args.eax = ACER_AMW0_WRITE; | |
584 | args.ebx = value ? (1<<8) : 0; | |
585 | args.ecx = args.edx = 0; | |
586 | ||
587 | switch (cap) { | |
588 | case ACER_CAP_MAILLED: | |
589 | if (value > 1) | |
590 | return AE_BAD_PARAMETER; | |
591 | args.ebx |= ACER_AMW0_MAILLED_MASK; | |
592 | break; | |
593 | case ACER_CAP_WIRELESS: | |
594 | if (value > 1) | |
595 | return AE_BAD_PARAMETER; | |
596 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
597 | break; | |
598 | case ACER_CAP_BLUETOOTH: | |
599 | if (value > 1) | |
600 | return AE_BAD_PARAMETER; | |
601 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
602 | break; | |
603 | case ACER_CAP_BRIGHTNESS: | |
604 | if (value > max_brightness) | |
605 | return AE_BAD_PARAMETER; | |
606 | switch (quirks->brightness) { | |
745a5d21 | 607 | default: |
4609d029 CC |
608 | return ec_write(0x83, value); |
609 | break; | |
745a5d21 CC |
610 | } |
611 | default: | |
08237974 | 612 | return AE_ERROR; |
745a5d21 CC |
613 | } |
614 | ||
615 | /* Actually do the set */ | |
616 | return wmab_execute(&args, NULL); | |
617 | } | |
618 | ||
619 | static acpi_status AMW0_find_mailled(void) | |
620 | { | |
621 | struct wmab_args args; | |
622 | struct wmab_ret ret; | |
623 | acpi_status status = AE_OK; | |
624 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; | |
625 | union acpi_object *obj; | |
626 | ||
627 | args.eax = 0x86; | |
628 | args.ebx = args.ecx = args.edx = 0; | |
629 | ||
630 | status = wmab_execute(&args, &out); | |
631 | if (ACPI_FAILURE(status)) | |
632 | return status; | |
633 | ||
634 | obj = (union acpi_object *) out.pointer; | |
635 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
636 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
637 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
638 | } else { | |
7677fbdf | 639 | kfree(out.pointer); |
745a5d21 CC |
640 | return AE_ERROR; |
641 | } | |
642 | ||
643 | if (ret.eex & 0x1) | |
644 | interface->capability |= ACER_CAP_MAILLED; | |
645 | ||
646 | kfree(out.pointer); | |
647 | ||
648 | return AE_OK; | |
649 | } | |
650 | ||
651 | static acpi_status AMW0_set_capabilities(void) | |
652 | { | |
653 | struct wmab_args args; | |
654 | struct wmab_ret ret; | |
7677fbdf | 655 | acpi_status status; |
745a5d21 CC |
656 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; |
657 | union acpi_object *obj; | |
658 | ||
5753dd53 CC |
659 | /* |
660 | * On laptops with this strange GUID (non Acer), normal probing doesn't | |
661 | * work. | |
662 | */ | |
663 | if (wmi_has_guid(AMW0_GUID2)) { | |
664 | interface->capability |= ACER_CAP_WIRELESS; | |
665 | return AE_OK; | |
666 | } | |
667 | ||
745a5d21 CC |
668 | args.eax = ACER_AMW0_WRITE; |
669 | args.ecx = args.edx = 0; | |
670 | ||
671 | args.ebx = 0xa2 << 8; | |
672 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
673 | ||
674 | status = wmab_execute(&args, &out); | |
675 | if (ACPI_FAILURE(status)) | |
676 | return status; | |
677 | ||
7677fbdf | 678 | obj = out.pointer; |
745a5d21 CC |
679 | if (obj && obj->type == ACPI_TYPE_BUFFER && |
680 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
681 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
682 | } else { | |
7677fbdf AL |
683 | status = AE_ERROR; |
684 | goto out; | |
745a5d21 CC |
685 | } |
686 | ||
687 | if (ret.eax & 0x1) | |
688 | interface->capability |= ACER_CAP_WIRELESS; | |
689 | ||
690 | args.ebx = 2 << 8; | |
691 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
692 | ||
7677fbdf AL |
693 | /* |
694 | * It's ok to use existing buffer for next wmab_execute call. | |
695 | * But we need to kfree(out.pointer) if next wmab_execute fail. | |
696 | */ | |
745a5d21 CC |
697 | status = wmab_execute(&args, &out); |
698 | if (ACPI_FAILURE(status)) | |
7677fbdf | 699 | goto out; |
745a5d21 CC |
700 | |
701 | obj = (union acpi_object *) out.pointer; | |
702 | if (obj && obj->type == ACPI_TYPE_BUFFER | |
703 | && obj->buffer.length == sizeof(struct wmab_ret)) { | |
704 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
705 | } else { | |
7677fbdf AL |
706 | status = AE_ERROR; |
707 | goto out; | |
745a5d21 CC |
708 | } |
709 | ||
710 | if (ret.eax & 0x1) | |
711 | interface->capability |= ACER_CAP_BLUETOOTH; | |
712 | ||
745a5d21 CC |
713 | /* |
714 | * This appears to be safe to enable, since all Wistron based laptops | |
715 | * appear to use the same EC register for brightness, even if they | |
716 | * differ for wireless, etc | |
717 | */ | |
9991d9f2 CC |
718 | if (quirks->brightness >= 0) |
719 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
745a5d21 | 720 | |
7677fbdf AL |
721 | status = AE_OK; |
722 | out: | |
723 | kfree(out.pointer); | |
724 | return status; | |
745a5d21 CC |
725 | } |
726 | ||
727 | static struct wmi_interface AMW0_interface = { | |
728 | .type = ACER_AMW0, | |
729 | }; | |
730 | ||
731 | static struct wmi_interface AMW0_V2_interface = { | |
732 | .type = ACER_AMW0_V2, | |
733 | }; | |
734 | ||
735 | /* | |
736 | * New interface (The WMID interface) | |
737 | */ | |
738 | static acpi_status | |
739 | WMI_execute_u32(u32 method_id, u32 in, u32 *out) | |
740 | { | |
741 | struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; | |
742 | struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; | |
743 | union acpi_object *obj; | |
744 | u32 tmp; | |
745 | acpi_status status; | |
746 | ||
747 | status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result); | |
748 | ||
749 | if (ACPI_FAILURE(status)) | |
750 | return status; | |
751 | ||
752 | obj = (union acpi_object *) result.pointer; | |
753 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
ab6a9316 LCY |
754 | (obj->buffer.length == sizeof(u32) || |
755 | obj->buffer.length == sizeof(u64))) { | |
745a5d21 | 756 | tmp = *((u32 *) obj->buffer.pointer); |
987dfbaa LCY |
757 | } else if (obj->type == ACPI_TYPE_INTEGER) { |
758 | tmp = (u32) obj->integer.value; | |
745a5d21 CC |
759 | } else { |
760 | tmp = 0; | |
761 | } | |
762 | ||
763 | if (out) | |
764 | *out = tmp; | |
765 | ||
766 | kfree(result.pointer); | |
767 | ||
768 | return status; | |
769 | } | |
770 | ||
771 | static acpi_status WMID_get_u32(u32 *value, u32 cap, | |
772 | struct wmi_interface *iface) | |
773 | { | |
774 | acpi_status status; | |
775 | u8 tmp; | |
776 | u32 result, method_id = 0; | |
777 | ||
778 | switch (cap) { | |
779 | case ACER_CAP_WIRELESS: | |
780 | method_id = ACER_WMID_GET_WIRELESS_METHODID; | |
781 | break; | |
782 | case ACER_CAP_BLUETOOTH: | |
783 | method_id = ACER_WMID_GET_BLUETOOTH_METHODID; | |
784 | break; | |
785 | case ACER_CAP_BRIGHTNESS: | |
786 | method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; | |
787 | break; | |
788 | case ACER_CAP_THREEG: | |
789 | method_id = ACER_WMID_GET_THREEG_METHODID; | |
790 | break; | |
791 | case ACER_CAP_MAILLED: | |
792 | if (quirks->mailled == 1) { | |
793 | ec_read(0x9f, &tmp); | |
794 | *value = tmp & 0x1; | |
795 | return 0; | |
796 | } | |
797 | default: | |
08237974 | 798 | return AE_ERROR; |
745a5d21 CC |
799 | } |
800 | status = WMI_execute_u32(method_id, 0, &result); | |
801 | ||
802 | if (ACPI_SUCCESS(status)) | |
803 | *value = (u8)result; | |
804 | ||
805 | return status; | |
806 | } | |
807 | ||
808 | static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface) | |
809 | { | |
810 | u32 method_id = 0; | |
811 | char param; | |
812 | ||
813 | switch (cap) { | |
814 | case ACER_CAP_BRIGHTNESS: | |
815 | if (value > max_brightness) | |
816 | return AE_BAD_PARAMETER; | |
817 | method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; | |
818 | break; | |
819 | case ACER_CAP_WIRELESS: | |
820 | if (value > 1) | |
821 | return AE_BAD_PARAMETER; | |
822 | method_id = ACER_WMID_SET_WIRELESS_METHODID; | |
823 | break; | |
824 | case ACER_CAP_BLUETOOTH: | |
825 | if (value > 1) | |
826 | return AE_BAD_PARAMETER; | |
827 | method_id = ACER_WMID_SET_BLUETOOTH_METHODID; | |
828 | break; | |
829 | case ACER_CAP_THREEG: | |
830 | if (value > 1) | |
831 | return AE_BAD_PARAMETER; | |
832 | method_id = ACER_WMID_SET_THREEG_METHODID; | |
833 | break; | |
834 | case ACER_CAP_MAILLED: | |
835 | if (value > 1) | |
836 | return AE_BAD_PARAMETER; | |
837 | if (quirks->mailled == 1) { | |
838 | param = value ? 0x92 : 0x93; | |
181d683d | 839 | i8042_lock_chip(); |
745a5d21 | 840 | i8042_command(¶m, 0x1059); |
181d683d | 841 | i8042_unlock_chip(); |
745a5d21 CC |
842 | return 0; |
843 | } | |
844 | break; | |
845 | default: | |
08237974 | 846 | return AE_ERROR; |
745a5d21 CC |
847 | } |
848 | return WMI_execute_u32(method_id, (u32)value, NULL); | |
849 | } | |
850 | ||
6c3df88f LCY |
851 | static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy) |
852 | { | |
853 | struct hotkey_function_type_aa *type_aa; | |
854 | ||
855 | /* We are looking for OEM-specific Type AAh */ | |
856 | if (header->type != 0xAA) | |
857 | return; | |
858 | ||
859 | has_type_aa = true; | |
860 | type_aa = (struct hotkey_function_type_aa *) header; | |
861 | ||
cae15702 | 862 | pr_info("Function bitmap for Communication Button: 0x%x\n", |
6c3df88f LCY |
863 | type_aa->commun_func_bitmap); |
864 | ||
865 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS) | |
866 | interface->capability |= ACER_CAP_WIRELESS; | |
867 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG) | |
868 | interface->capability |= ACER_CAP_THREEG; | |
869 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH) | |
870 | interface->capability |= ACER_CAP_BLUETOOTH; | |
871 | } | |
872 | ||
745a5d21 CC |
873 | static acpi_status WMID_set_capabilities(void) |
874 | { | |
875 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
876 | union acpi_object *obj; | |
877 | acpi_status status; | |
878 | u32 devices; | |
879 | ||
880 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
881 | if (ACPI_FAILURE(status)) | |
882 | return status; | |
883 | ||
884 | obj = (union acpi_object *) out.pointer; | |
885 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
ab6a9316 LCY |
886 | (obj->buffer.length == sizeof(u32) || |
887 | obj->buffer.length == sizeof(u64))) { | |
745a5d21 | 888 | devices = *((u32 *) obj->buffer.pointer); |
987dfbaa LCY |
889 | } else if (obj->type == ACPI_TYPE_INTEGER) { |
890 | devices = (u32) obj->integer.value; | |
745a5d21 | 891 | } else { |
66904863 | 892 | kfree(out.pointer); |
745a5d21 CC |
893 | return AE_ERROR; |
894 | } | |
895 | ||
6c3df88f LCY |
896 | dmi_walk(type_aa_dmi_decode, NULL); |
897 | if (!has_type_aa) { | |
898 | interface->capability |= ACER_CAP_WIRELESS; | |
a8d1a266 LCY |
899 | if (devices & 0x40) |
900 | interface->capability |= ACER_CAP_THREEG; | |
6c3df88f LCY |
901 | if (devices & 0x10) |
902 | interface->capability |= ACER_CAP_BLUETOOTH; | |
903 | } | |
745a5d21 CC |
904 | |
905 | /* WMID always provides brightness methods */ | |
906 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
907 | ||
745a5d21 CC |
908 | if (!(devices & 0x20)) |
909 | max_brightness = 0x9; | |
910 | ||
66904863 | 911 | kfree(out.pointer); |
745a5d21 CC |
912 | return status; |
913 | } | |
914 | ||
915 | static struct wmi_interface wmid_interface = { | |
916 | .type = ACER_WMID, | |
917 | }; | |
918 | ||
919 | /* | |
920 | * Generic Device (interface-independent) | |
921 | */ | |
922 | ||
923 | static acpi_status get_u32(u32 *value, u32 cap) | |
924 | { | |
08237974 | 925 | acpi_status status = AE_ERROR; |
745a5d21 CC |
926 | |
927 | switch (interface->type) { | |
928 | case ACER_AMW0: | |
929 | status = AMW0_get_u32(value, cap, interface); | |
930 | break; | |
931 | case ACER_AMW0_V2: | |
932 | if (cap == ACER_CAP_MAILLED) { | |
933 | status = AMW0_get_u32(value, cap, interface); | |
934 | break; | |
935 | } | |
936 | case ACER_WMID: | |
937 | status = WMID_get_u32(value, cap, interface); | |
938 | break; | |
939 | } | |
940 | ||
941 | return status; | |
942 | } | |
943 | ||
944 | static acpi_status set_u32(u32 value, u32 cap) | |
945 | { | |
5c742b45 CC |
946 | acpi_status status; |
947 | ||
745a5d21 CC |
948 | if (interface->capability & cap) { |
949 | switch (interface->type) { | |
950 | case ACER_AMW0: | |
951 | return AMW0_set_u32(value, cap, interface); | |
952 | case ACER_AMW0_V2: | |
5c742b45 CC |
953 | if (cap == ACER_CAP_MAILLED) |
954 | return AMW0_set_u32(value, cap, interface); | |
955 | ||
956 | /* | |
957 | * On some models, some WMID methods don't toggle | |
958 | * properly. For those cases, we want to run the AMW0 | |
959 | * method afterwards to be certain we've really toggled | |
960 | * the device state. | |
961 | */ | |
962 | if (cap == ACER_CAP_WIRELESS || | |
963 | cap == ACER_CAP_BLUETOOTH) { | |
964 | status = WMID_set_u32(value, cap, interface); | |
965 | if (ACPI_FAILURE(status)) | |
966 | return status; | |
967 | ||
968 | return AMW0_set_u32(value, cap, interface); | |
969 | } | |
745a5d21 CC |
970 | case ACER_WMID: |
971 | return WMID_set_u32(value, cap, interface); | |
972 | default: | |
973 | return AE_BAD_PARAMETER; | |
974 | } | |
975 | } | |
976 | return AE_BAD_PARAMETER; | |
977 | } | |
978 | ||
979 | static void __init acer_commandline_init(void) | |
980 | { | |
981 | /* | |
982 | * These will all fail silently if the value given is invalid, or the | |
983 | * capability isn't available on the given interface | |
984 | */ | |
c2647b5e LCY |
985 | if (mailled >= 0) |
986 | set_u32(mailled, ACER_CAP_MAILLED); | |
987 | if (!has_type_aa && threeg >= 0) | |
6c3df88f | 988 | set_u32(threeg, ACER_CAP_THREEG); |
c2647b5e LCY |
989 | if (brightness >= 0) |
990 | set_u32(brightness, ACER_CAP_BRIGHTNESS); | |
745a5d21 CC |
991 | } |
992 | ||
993 | /* | |
994 | * LED device (Mail LED only, no other LEDs known yet) | |
995 | */ | |
996 | static void mail_led_set(struct led_classdev *led_cdev, | |
997 | enum led_brightness value) | |
998 | { | |
999 | set_u32(value, ACER_CAP_MAILLED); | |
1000 | } | |
1001 | ||
1002 | static struct led_classdev mail_led = { | |
343c0042 | 1003 | .name = "acer-wmi::mail", |
745a5d21 CC |
1004 | .brightness_set = mail_led_set, |
1005 | }; | |
1006 | ||
7560e385 | 1007 | static int __devinit acer_led_init(struct device *dev) |
745a5d21 CC |
1008 | { |
1009 | return led_classdev_register(dev, &mail_led); | |
1010 | } | |
1011 | ||
1012 | static void acer_led_exit(void) | |
1013 | { | |
9a0b74fd | 1014 | set_u32(LED_OFF, ACER_CAP_MAILLED); |
745a5d21 CC |
1015 | led_classdev_unregister(&mail_led); |
1016 | } | |
1017 | ||
1018 | /* | |
1019 | * Backlight device | |
1020 | */ | |
1021 | static struct backlight_device *acer_backlight_device; | |
1022 | ||
1023 | static int read_brightness(struct backlight_device *bd) | |
1024 | { | |
1025 | u32 value; | |
1026 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1027 | return value; | |
1028 | } | |
1029 | ||
1030 | static int update_bl_status(struct backlight_device *bd) | |
1031 | { | |
f2b585b4 CC |
1032 | int intensity = bd->props.brightness; |
1033 | ||
1034 | if (bd->props.power != FB_BLANK_UNBLANK) | |
1035 | intensity = 0; | |
1036 | if (bd->props.fb_blank != FB_BLANK_UNBLANK) | |
1037 | intensity = 0; | |
1038 | ||
1039 | set_u32(intensity, ACER_CAP_BRIGHTNESS); | |
1040 | ||
745a5d21 CC |
1041 | return 0; |
1042 | } | |
1043 | ||
acc2472e | 1044 | static const struct backlight_ops acer_bl_ops = { |
745a5d21 CC |
1045 | .get_brightness = read_brightness, |
1046 | .update_status = update_bl_status, | |
1047 | }; | |
1048 | ||
7560e385 | 1049 | static int __devinit acer_backlight_init(struct device *dev) |
745a5d21 | 1050 | { |
a19a6ee6 | 1051 | struct backlight_properties props; |
745a5d21 CC |
1052 | struct backlight_device *bd; |
1053 | ||
a19a6ee6 | 1054 | memset(&props, 0, sizeof(struct backlight_properties)); |
bb7ca747 | 1055 | props.type = BACKLIGHT_PLATFORM; |
a19a6ee6 MG |
1056 | props.max_brightness = max_brightness; |
1057 | bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, | |
1058 | &props); | |
745a5d21 | 1059 | if (IS_ERR(bd)) { |
cae15702 | 1060 | pr_err("Could not register Acer backlight device\n"); |
745a5d21 CC |
1061 | acer_backlight_device = NULL; |
1062 | return PTR_ERR(bd); | |
1063 | } | |
1064 | ||
1065 | acer_backlight_device = bd; | |
1066 | ||
f2b585b4 | 1067 | bd->props.power = FB_BLANK_UNBLANK; |
6f6ef82c | 1068 | bd->props.brightness = read_brightness(bd); |
745a5d21 CC |
1069 | backlight_update_status(bd); |
1070 | return 0; | |
1071 | } | |
1072 | ||
7560e385 | 1073 | static void acer_backlight_exit(void) |
745a5d21 CC |
1074 | { |
1075 | backlight_device_unregister(acer_backlight_device); | |
1076 | } | |
1077 | ||
b3c9092b LCY |
1078 | static acpi_status wmid3_get_device_status(u32 *value, u16 device) |
1079 | { | |
1080 | struct wmid3_gds_return_value return_value; | |
1081 | acpi_status status; | |
1082 | union acpi_object *obj; | |
1083 | struct wmid3_gds_input_param params = { | |
1084 | .function_num = 0x1, | |
1085 | .hotkey_number = 0x01, | |
1086 | .devices = device, | |
1087 | }; | |
1088 | struct acpi_buffer input = { | |
1089 | sizeof(struct wmid3_gds_input_param), | |
1090 | ¶ms | |
1091 | }; | |
1092 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1093 | ||
1094 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); | |
1095 | if (ACPI_FAILURE(status)) | |
1096 | return status; | |
1097 | ||
1098 | obj = output.pointer; | |
1099 | ||
1100 | if (!obj) | |
1101 | return AE_ERROR; | |
1102 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1103 | kfree(obj); | |
1104 | return AE_ERROR; | |
1105 | } | |
1106 | if (obj->buffer.length != 8) { | |
249c720d | 1107 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
b3c9092b LCY |
1108 | kfree(obj); |
1109 | return AE_ERROR; | |
1110 | } | |
1111 | ||
1112 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1113 | kfree(obj); | |
1114 | ||
1115 | if (return_value.error_code || return_value.ec_return_value) | |
249c720d JP |
1116 | pr_warn("Get Device Status failed: 0x%x - 0x%x\n", |
1117 | return_value.error_code, | |
b3c9092b LCY |
1118 | return_value.ec_return_value); |
1119 | else | |
1120 | *value = !!(return_value.devices & device); | |
1121 | ||
1122 | return status; | |
1123 | } | |
1124 | ||
466449cf LCY |
1125 | static acpi_status get_device_status(u32 *value, u32 cap) |
1126 | { | |
1127 | if (wmi_has_guid(WMID_GUID3)) { | |
1128 | u16 device; | |
1129 | ||
1130 | switch (cap) { | |
1131 | case ACER_CAP_WIRELESS: | |
1132 | device = ACER_WMID3_GDS_WIRELESS; | |
1133 | break; | |
1134 | case ACER_CAP_BLUETOOTH: | |
1135 | device = ACER_WMID3_GDS_BLUETOOTH; | |
1136 | break; | |
1137 | case ACER_CAP_THREEG: | |
1138 | device = ACER_WMID3_GDS_THREEG; | |
1139 | break; | |
1140 | default: | |
1141 | return AE_ERROR; | |
1142 | } | |
1143 | return wmid3_get_device_status(value, device); | |
1144 | ||
1145 | } else { | |
1146 | return get_u32(value, cap); | |
1147 | } | |
1148 | } | |
1149 | ||
6d88ff0f LCY |
1150 | static acpi_status wmid3_set_device_status(u32 value, u16 device) |
1151 | { | |
1152 | struct wmid3_gds_return_value return_value; | |
1153 | acpi_status status; | |
1154 | union acpi_object *obj; | |
1155 | u16 devices; | |
1156 | struct wmid3_gds_input_param params = { | |
1157 | .function_num = 0x1, | |
1158 | .hotkey_number = 0x01, | |
ae821c1b LCY |
1159 | .devices = ACER_WMID3_GDS_WIRELESS | |
1160 | ACER_WMID3_GDS_THREEG | | |
1161 | ACER_WMID3_GDS_WIMAX | | |
6d88ff0f LCY |
1162 | ACER_WMID3_GDS_BLUETOOTH, |
1163 | }; | |
1164 | struct acpi_buffer input = { | |
1165 | sizeof(struct wmid3_gds_input_param), | |
1166 | ¶ms | |
1167 | }; | |
1168 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1169 | struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1170 | ||
1171 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); | |
1172 | if (ACPI_FAILURE(status)) | |
1173 | return status; | |
1174 | ||
1175 | obj = output.pointer; | |
1176 | ||
1177 | if (!obj) | |
1178 | return AE_ERROR; | |
1179 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1180 | kfree(obj); | |
1181 | return AE_ERROR; | |
1182 | } | |
1183 | if (obj->buffer.length != 8) { | |
1184 | pr_warning("Unknown buffer length %d\n", obj->buffer.length); | |
1185 | kfree(obj); | |
1186 | return AE_ERROR; | |
1187 | } | |
1188 | ||
1189 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1190 | kfree(obj); | |
1191 | ||
1192 | if (return_value.error_code || return_value.ec_return_value) { | |
1193 | pr_warning("Get Current Device Status failed: " | |
1194 | "0x%x - 0x%x\n", return_value.error_code, | |
1195 | return_value.ec_return_value); | |
1196 | return status; | |
1197 | } | |
1198 | ||
1199 | devices = return_value.devices; | |
1200 | params.function_num = 0x2; | |
1201 | params.hotkey_number = 0x01; | |
1202 | params.devices = (value) ? (devices | device) : (devices & ~device); | |
1203 | ||
1204 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output2); | |
1205 | if (ACPI_FAILURE(status)) | |
1206 | return status; | |
1207 | ||
1208 | obj = output2.pointer; | |
1209 | ||
1210 | if (!obj) | |
1211 | return AE_ERROR; | |
1212 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1213 | kfree(obj); | |
1214 | return AE_ERROR; | |
1215 | } | |
1216 | if (obj->buffer.length != 4) { | |
1217 | pr_warning("Unknown buffer length %d\n", obj->buffer.length); | |
1218 | kfree(obj); | |
1219 | return AE_ERROR; | |
1220 | } | |
1221 | ||
1222 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1223 | kfree(obj); | |
1224 | ||
1225 | if (return_value.error_code || return_value.ec_return_value) | |
1226 | pr_warning("Set Device Status failed: " | |
1227 | "0x%x - 0x%x\n", return_value.error_code, | |
1228 | return_value.ec_return_value); | |
1229 | ||
1230 | return status; | |
1231 | } | |
1232 | ||
1233 | static acpi_status set_device_status(u32 value, u32 cap) | |
1234 | { | |
1235 | if (wmi_has_guid(WMID_GUID3)) { | |
1236 | u16 device; | |
1237 | ||
1238 | switch (cap) { | |
1239 | case ACER_CAP_WIRELESS: | |
1240 | device = ACER_WMID3_GDS_WIRELESS; | |
1241 | break; | |
1242 | case ACER_CAP_BLUETOOTH: | |
1243 | device = ACER_WMID3_GDS_BLUETOOTH; | |
1244 | break; | |
1245 | case ACER_CAP_THREEG: | |
1246 | device = ACER_WMID3_GDS_THREEG; | |
1247 | break; | |
1248 | default: | |
1249 | return AE_ERROR; | |
1250 | } | |
1251 | return wmid3_set_device_status(value, device); | |
1252 | ||
1253 | } else { | |
1254 | return set_u32(value, cap); | |
1255 | } | |
1256 | } | |
1257 | ||
0606e1ab CC |
1258 | /* |
1259 | * Rfkill devices | |
1260 | */ | |
0606e1ab CC |
1261 | static void acer_rfkill_update(struct work_struct *ignored); |
1262 | static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); | |
1263 | static void acer_rfkill_update(struct work_struct *ignored) | |
1264 | { | |
1265 | u32 state; | |
1266 | acpi_status status; | |
1267 | ||
1268 | status = get_u32(&state, ACER_CAP_WIRELESS); | |
1269 | if (ACPI_SUCCESS(status)) | |
a878417c | 1270 | rfkill_set_sw_state(wireless_rfkill, !state); |
0606e1ab CC |
1271 | |
1272 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1273 | status = get_u32(&state, ACER_CAP_BLUETOOTH); | |
1274 | if (ACPI_SUCCESS(status)) | |
a878417c | 1275 | rfkill_set_sw_state(bluetooth_rfkill, !state); |
0606e1ab CC |
1276 | } |
1277 | ||
b3c9092b LCY |
1278 | if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) { |
1279 | status = wmid3_get_device_status(&state, | |
1280 | ACER_WMID3_GDS_THREEG); | |
1281 | if (ACPI_SUCCESS(status)) | |
1282 | rfkill_set_sw_state(threeg_rfkill, !state); | |
1283 | } | |
1284 | ||
ae3a1b46 | 1285 | schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); |
0606e1ab CC |
1286 | } |
1287 | ||
19d337df | 1288 | static int acer_rfkill_set(void *data, bool blocked) |
0606e1ab CC |
1289 | { |
1290 | acpi_status status; | |
19d337df | 1291 | u32 cap = (unsigned long)data; |
8215af01 LCY |
1292 | |
1293 | if (rfkill_inited) { | |
6d88ff0f | 1294 | status = set_device_status(!blocked, cap); |
8215af01 LCY |
1295 | if (ACPI_FAILURE(status)) |
1296 | return -ENODEV; | |
1297 | } | |
1298 | ||
0606e1ab CC |
1299 | return 0; |
1300 | } | |
1301 | ||
19d337df JB |
1302 | static const struct rfkill_ops acer_rfkill_ops = { |
1303 | .set_block = acer_rfkill_set, | |
1304 | }; | |
1305 | ||
1306 | static struct rfkill *acer_rfkill_register(struct device *dev, | |
1307 | enum rfkill_type type, | |
1308 | char *name, u32 cap) | |
0606e1ab CC |
1309 | { |
1310 | int err; | |
0606e1ab | 1311 | struct rfkill *rfkill_dev; |
466449cf LCY |
1312 | u32 state; |
1313 | acpi_status status; | |
0606e1ab | 1314 | |
19d337df JB |
1315 | rfkill_dev = rfkill_alloc(name, dev, type, |
1316 | &acer_rfkill_ops, | |
1317 | (void *)(unsigned long)cap); | |
0606e1ab CC |
1318 | if (!rfkill_dev) |
1319 | return ERR_PTR(-ENOMEM); | |
0606e1ab | 1320 | |
466449cf | 1321 | status = get_device_status(&state, cap); |
466449cf | 1322 | |
0606e1ab CC |
1323 | err = rfkill_register(rfkill_dev); |
1324 | if (err) { | |
19d337df | 1325 | rfkill_destroy(rfkill_dev); |
0606e1ab CC |
1326 | return ERR_PTR(err); |
1327 | } | |
8215af01 LCY |
1328 | |
1329 | if (ACPI_SUCCESS(status)) | |
1330 | rfkill_set_sw_state(rfkill_dev, !state); | |
1331 | ||
0606e1ab CC |
1332 | return rfkill_dev; |
1333 | } | |
1334 | ||
1335 | static int acer_rfkill_init(struct device *dev) | |
1336 | { | |
1337 | wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, | |
1338 | "acer-wireless", ACER_CAP_WIRELESS); | |
1339 | if (IS_ERR(wireless_rfkill)) | |
1340 | return PTR_ERR(wireless_rfkill); | |
1341 | ||
1342 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1343 | bluetooth_rfkill = acer_rfkill_register(dev, | |
1344 | RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", | |
1345 | ACER_CAP_BLUETOOTH); | |
1346 | if (IS_ERR(bluetooth_rfkill)) { | |
0606e1ab | 1347 | rfkill_unregister(wireless_rfkill); |
19d337df | 1348 | rfkill_destroy(wireless_rfkill); |
0606e1ab CC |
1349 | return PTR_ERR(bluetooth_rfkill); |
1350 | } | |
1351 | } | |
1352 | ||
b3c9092b LCY |
1353 | if (has_cap(ACER_CAP_THREEG)) { |
1354 | threeg_rfkill = acer_rfkill_register(dev, | |
1355 | RFKILL_TYPE_WWAN, "acer-threeg", | |
1356 | ACER_CAP_THREEG); | |
1357 | if (IS_ERR(threeg_rfkill)) { | |
1358 | rfkill_unregister(wireless_rfkill); | |
1359 | rfkill_destroy(wireless_rfkill); | |
1360 | rfkill_unregister(bluetooth_rfkill); | |
1361 | rfkill_destroy(bluetooth_rfkill); | |
1362 | return PTR_ERR(threeg_rfkill); | |
1363 | } | |
1364 | } | |
1365 | ||
8215af01 LCY |
1366 | rfkill_inited = true; |
1367 | ||
70a9b904 LCY |
1368 | if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) |
1369 | schedule_delayed_work(&acer_rfkill_work, | |
1370 | round_jiffies_relative(HZ)); | |
0606e1ab CC |
1371 | |
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | static void acer_rfkill_exit(void) | |
1376 | { | |
70a9b904 LCY |
1377 | if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) |
1378 | cancel_delayed_work_sync(&acer_rfkill_work); | |
19d337df | 1379 | |
0606e1ab | 1380 | rfkill_unregister(wireless_rfkill); |
19d337df JB |
1381 | rfkill_destroy(wireless_rfkill); |
1382 | ||
0606e1ab | 1383 | if (has_cap(ACER_CAP_BLUETOOTH)) { |
0606e1ab | 1384 | rfkill_unregister(bluetooth_rfkill); |
19d337df | 1385 | rfkill_destroy(bluetooth_rfkill); |
0606e1ab | 1386 | } |
b3c9092b LCY |
1387 | |
1388 | if (has_cap(ACER_CAP_THREEG)) { | |
1389 | rfkill_unregister(threeg_rfkill); | |
1390 | rfkill_destroy(threeg_rfkill); | |
1391 | } | |
0606e1ab CC |
1392 | return; |
1393 | } | |
1394 | ||
745a5d21 | 1395 | /* |
7d9a06de | 1396 | * sysfs interface |
745a5d21 | 1397 | */ |
7d9a06de CC |
1398 | static ssize_t show_bool_threeg(struct device *dev, |
1399 | struct device_attribute *attr, char *buf) | |
1400 | { | |
745a5d21 | 1401 | u32 result; \ |
b3c9092b LCY |
1402 | acpi_status status; |
1403 | if (wmi_has_guid(WMID_GUID3)) | |
1404 | status = wmid3_get_device_status(&result, | |
1405 | ACER_WMID3_GDS_THREEG); | |
1406 | else | |
1407 | status = get_u32(&result, ACER_CAP_THREEG); | |
7d9a06de CC |
1408 | if (ACPI_SUCCESS(status)) |
1409 | return sprintf(buf, "%u\n", result); | |
1410 | return sprintf(buf, "Read error\n"); | |
1411 | } | |
1412 | ||
1413 | static ssize_t set_bool_threeg(struct device *dev, | |
1414 | struct device_attribute *attr, const char *buf, size_t count) | |
1415 | { | |
1416 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
1417 | acpi_status status = set_u32(tmp, ACER_CAP_THREEG); | |
1418 | if (ACPI_FAILURE(status)) | |
1419 | return -EINVAL; | |
1420 | return count; | |
1421 | } | |
b80b168f | 1422 | static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg, |
7d9a06de | 1423 | set_bool_threeg); |
745a5d21 | 1424 | |
745a5d21 CC |
1425 | static ssize_t show_interface(struct device *dev, struct device_attribute *attr, |
1426 | char *buf) | |
1427 | { | |
1428 | switch (interface->type) { | |
1429 | case ACER_AMW0: | |
1430 | return sprintf(buf, "AMW0\n"); | |
1431 | case ACER_AMW0_V2: | |
1432 | return sprintf(buf, "AMW0 v2\n"); | |
1433 | case ACER_WMID: | |
1434 | return sprintf(buf, "WMID\n"); | |
1435 | default: | |
1436 | return sprintf(buf, "Error!\n"); | |
1437 | } | |
1438 | } | |
1439 | ||
370525df | 1440 | static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL); |
745a5d21 | 1441 | |
3fdca87d LCY |
1442 | static void acer_wmi_notify(u32 value, void *context) |
1443 | { | |
1444 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1445 | union acpi_object *obj; | |
1446 | struct event_return_value return_value; | |
1447 | acpi_status status; | |
92530664 SF |
1448 | u16 device_state; |
1449 | const struct key_entry *key; | |
3fdca87d LCY |
1450 | |
1451 | status = wmi_get_event_data(value, &response); | |
1452 | if (status != AE_OK) { | |
249c720d | 1453 | pr_warn("bad event status 0x%x\n", status); |
3fdca87d LCY |
1454 | return; |
1455 | } | |
1456 | ||
1457 | obj = (union acpi_object *)response.pointer; | |
1458 | ||
1459 | if (!obj) | |
1460 | return; | |
1461 | if (obj->type != ACPI_TYPE_BUFFER) { | |
249c720d | 1462 | pr_warn("Unknown response received %d\n", obj->type); |
3fdca87d LCY |
1463 | kfree(obj); |
1464 | return; | |
1465 | } | |
1466 | if (obj->buffer.length != 8) { | |
249c720d | 1467 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
3fdca87d LCY |
1468 | kfree(obj); |
1469 | return; | |
1470 | } | |
1471 | ||
1472 | return_value = *((struct event_return_value *)obj->buffer.pointer); | |
1473 | kfree(obj); | |
1474 | ||
1475 | switch (return_value.function) { | |
1476 | case WMID_HOTKEY_EVENT: | |
92530664 SF |
1477 | device_state = return_value.device_state; |
1478 | pr_debug("device state: 0x%x\n", device_state); | |
1479 | ||
1480 | key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev, | |
1481 | return_value.key_num); | |
1482 | if (!key) { | |
249c720d | 1483 | pr_warn("Unknown key number - 0x%x\n", |
3fdca87d | 1484 | return_value.key_num); |
92530664 SF |
1485 | } else { |
1486 | switch (key->keycode) { | |
1487 | case KEY_WLAN: | |
1488 | case KEY_BLUETOOTH: | |
1489 | if (has_cap(ACER_CAP_WIRELESS)) | |
1490 | rfkill_set_sw_state(wireless_rfkill, | |
1491 | !(device_state & ACER_WMID3_GDS_WIRELESS)); | |
1492 | if (has_cap(ACER_CAP_THREEG)) | |
1493 | rfkill_set_sw_state(threeg_rfkill, | |
1494 | !(device_state & ACER_WMID3_GDS_THREEG)); | |
1495 | if (has_cap(ACER_CAP_BLUETOOTH)) | |
1496 | rfkill_set_sw_state(bluetooth_rfkill, | |
1497 | !(device_state & ACER_WMID3_GDS_BLUETOOTH)); | |
1498 | break; | |
1499 | } | |
1500 | sparse_keymap_report_entry(acer_wmi_input_dev, key, | |
1501 | 1, true); | |
1502 | } | |
3fdca87d LCY |
1503 | break; |
1504 | default: | |
249c720d | 1505 | pr_warn("Unknown function number - %d - %d\n", |
3fdca87d LCY |
1506 | return_value.function, return_value.key_num); |
1507 | break; | |
1508 | } | |
1509 | } | |
1510 | ||
59ccf2f3 FLCY |
1511 | static acpi_status |
1512 | wmid3_set_lm_mode(struct lm_input_params *params, | |
1513 | struct lm_return_value *return_value) | |
1514 | { | |
1515 | acpi_status status; | |
1516 | union acpi_object *obj; | |
1517 | ||
1518 | struct acpi_buffer input = { sizeof(struct lm_input_params), params }; | |
1519 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1520 | ||
1521 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output); | |
1522 | if (ACPI_FAILURE(status)) | |
1523 | return status; | |
1524 | ||
1525 | obj = output.pointer; | |
1526 | ||
1527 | if (!obj) | |
1528 | return AE_ERROR; | |
1529 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1530 | kfree(obj); | |
1531 | return AE_ERROR; | |
1532 | } | |
1533 | if (obj->buffer.length != 4) { | |
249c720d | 1534 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
59ccf2f3 FLCY |
1535 | kfree(obj); |
1536 | return AE_ERROR; | |
1537 | } | |
1538 | ||
1539 | *return_value = *((struct lm_return_value *)obj->buffer.pointer); | |
1540 | kfree(obj); | |
1541 | ||
1542 | return status; | |
1543 | } | |
1544 | ||
1545 | static int acer_wmi_enable_ec_raw(void) | |
1546 | { | |
1547 | struct lm_return_value return_value; | |
1548 | acpi_status status; | |
1549 | struct lm_input_params params = { | |
1550 | .function_num = 0x1, | |
1551 | .commun_devices = 0xFFFF, | |
1552 | .devices = 0xFFFF, | |
1553 | .lm_status = 0x00, /* Launch Manager Deactive */ | |
1554 | }; | |
1555 | ||
1556 | status = wmid3_set_lm_mode(¶ms, &return_value); | |
1557 | ||
1558 | if (return_value.error_code || return_value.ec_return_value) | |
249c720d JP |
1559 | pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n", |
1560 | return_value.error_code, | |
1561 | return_value.ec_return_value); | |
59ccf2f3 | 1562 | else |
249c720d | 1563 | pr_info("Enabled EC raw mode\n"); |
59ccf2f3 FLCY |
1564 | |
1565 | return status; | |
1566 | } | |
1567 | ||
1568 | static int acer_wmi_enable_lm(void) | |
1569 | { | |
1570 | struct lm_return_value return_value; | |
1571 | acpi_status status; | |
1572 | struct lm_input_params params = { | |
1573 | .function_num = 0x1, | |
1574 | .commun_devices = 0xFFFF, | |
1575 | .devices = 0xFFFF, | |
1576 | .lm_status = 0x01, /* Launch Manager Active */ | |
1577 | }; | |
1578 | ||
1579 | status = wmid3_set_lm_mode(¶ms, &return_value); | |
1580 | ||
1581 | if (return_value.error_code || return_value.ec_return_value) | |
249c720d JP |
1582 | pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n", |
1583 | return_value.error_code, | |
1584 | return_value.ec_return_value); | |
59ccf2f3 FLCY |
1585 | |
1586 | return status; | |
1587 | } | |
1588 | ||
3fdca87d LCY |
1589 | static int __init acer_wmi_input_setup(void) |
1590 | { | |
1591 | acpi_status status; | |
1592 | int err; | |
1593 | ||
1594 | acer_wmi_input_dev = input_allocate_device(); | |
1595 | if (!acer_wmi_input_dev) | |
1596 | return -ENOMEM; | |
1597 | ||
1598 | acer_wmi_input_dev->name = "Acer WMI hotkeys"; | |
1599 | acer_wmi_input_dev->phys = "wmi/input0"; | |
1600 | acer_wmi_input_dev->id.bustype = BUS_HOST; | |
1601 | ||
1602 | err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL); | |
1603 | if (err) | |
1604 | goto err_free_dev; | |
1605 | ||
1606 | status = wmi_install_notify_handler(ACERWMID_EVENT_GUID, | |
1607 | acer_wmi_notify, NULL); | |
1608 | if (ACPI_FAILURE(status)) { | |
1609 | err = -EIO; | |
1610 | goto err_free_keymap; | |
1611 | } | |
1612 | ||
1613 | err = input_register_device(acer_wmi_input_dev); | |
1614 | if (err) | |
1615 | goto err_uninstall_notifier; | |
1616 | ||
1617 | return 0; | |
1618 | ||
1619 | err_uninstall_notifier: | |
1620 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1621 | err_free_keymap: | |
1622 | sparse_keymap_free(acer_wmi_input_dev); | |
1623 | err_free_dev: | |
1624 | input_free_device(acer_wmi_input_dev); | |
1625 | return err; | |
1626 | } | |
1627 | ||
1628 | static void acer_wmi_input_destroy(void) | |
1629 | { | |
1630 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1631 | sparse_keymap_free(acer_wmi_input_dev); | |
1632 | input_unregister_device(acer_wmi_input_dev); | |
1633 | } | |
1634 | ||
81143522 CC |
1635 | /* |
1636 | * debugfs functions | |
1637 | */ | |
1638 | static u32 get_wmid_devices(void) | |
1639 | { | |
1640 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
1641 | union acpi_object *obj; | |
1642 | acpi_status status; | |
66904863 | 1643 | u32 devices = 0; |
81143522 CC |
1644 | |
1645 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
1646 | if (ACPI_FAILURE(status)) | |
1647 | return 0; | |
1648 | ||
1649 | obj = (union acpi_object *) out.pointer; | |
1650 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
ab6a9316 LCY |
1651 | (obj->buffer.length == sizeof(u32) || |
1652 | obj->buffer.length == sizeof(u64))) { | |
66904863 | 1653 | devices = *((u32 *) obj->buffer.pointer); |
987dfbaa LCY |
1654 | } else if (obj->type == ACPI_TYPE_INTEGER) { |
1655 | devices = (u32) obj->integer.value; | |
81143522 | 1656 | } |
66904863 AL |
1657 | |
1658 | kfree(out.pointer); | |
1659 | return devices; | |
81143522 CC |
1660 | } |
1661 | ||
745a5d21 CC |
1662 | /* |
1663 | * Platform device | |
1664 | */ | |
1665 | static int __devinit acer_platform_probe(struct platform_device *device) | |
1666 | { | |
1667 | int err; | |
1668 | ||
1669 | if (has_cap(ACER_CAP_MAILLED)) { | |
1670 | err = acer_led_init(&device->dev); | |
1671 | if (err) | |
1672 | goto error_mailled; | |
1673 | } | |
1674 | ||
1675 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1676 | err = acer_backlight_init(&device->dev); | |
1677 | if (err) | |
1678 | goto error_brightness; | |
1679 | } | |
1680 | ||
0606e1ab | 1681 | err = acer_rfkill_init(&device->dev); |
350e3290 AW |
1682 | if (err) |
1683 | goto error_rfkill; | |
0606e1ab CC |
1684 | |
1685 | return err; | |
745a5d21 | 1686 | |
350e3290 AW |
1687 | error_rfkill: |
1688 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1689 | acer_backlight_exit(); | |
745a5d21 | 1690 | error_brightness: |
350e3290 AW |
1691 | if (has_cap(ACER_CAP_MAILLED)) |
1692 | acer_led_exit(); | |
745a5d21 CC |
1693 | error_mailled: |
1694 | return err; | |
1695 | } | |
1696 | ||
1697 | static int acer_platform_remove(struct platform_device *device) | |
1698 | { | |
1699 | if (has_cap(ACER_CAP_MAILLED)) | |
1700 | acer_led_exit(); | |
1701 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1702 | acer_backlight_exit(); | |
0606e1ab CC |
1703 | |
1704 | acer_rfkill_exit(); | |
745a5d21 CC |
1705 | return 0; |
1706 | } | |
1707 | ||
1708 | static int acer_platform_suspend(struct platform_device *dev, | |
1709 | pm_message_t state) | |
1710 | { | |
1711 | u32 value; | |
1712 | struct acer_data *data = &interface->data; | |
1713 | ||
1714 | if (!data) | |
1715 | return -ENOMEM; | |
1716 | ||
745a5d21 CC |
1717 | if (has_cap(ACER_CAP_MAILLED)) { |
1718 | get_u32(&value, ACER_CAP_MAILLED); | |
9a0b74fd | 1719 | set_u32(LED_OFF, ACER_CAP_MAILLED); |
745a5d21 CC |
1720 | data->mailled = value; |
1721 | } | |
1722 | ||
1723 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1724 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1725 | data->brightness = value; | |
1726 | } | |
1727 | ||
1728 | return 0; | |
1729 | } | |
1730 | ||
1731 | static int acer_platform_resume(struct platform_device *device) | |
1732 | { | |
1733 | struct acer_data *data = &interface->data; | |
1734 | ||
1735 | if (!data) | |
1736 | return -ENOMEM; | |
1737 | ||
745a5d21 CC |
1738 | if (has_cap(ACER_CAP_MAILLED)) |
1739 | set_u32(data->mailled, ACER_CAP_MAILLED); | |
1740 | ||
1741 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1742 | set_u32(data->brightness, ACER_CAP_BRIGHTNESS); | |
1743 | ||
1744 | return 0; | |
1745 | } | |
1746 | ||
9a0b74fd PR |
1747 | static void acer_platform_shutdown(struct platform_device *device) |
1748 | { | |
1749 | struct acer_data *data = &interface->data; | |
1750 | ||
1751 | if (!data) | |
1752 | return; | |
1753 | ||
1754 | if (has_cap(ACER_CAP_MAILLED)) | |
1755 | set_u32(LED_OFF, ACER_CAP_MAILLED); | |
1756 | } | |
1757 | ||
745a5d21 CC |
1758 | static struct platform_driver acer_platform_driver = { |
1759 | .driver = { | |
1760 | .name = "acer-wmi", | |
1761 | .owner = THIS_MODULE, | |
1762 | }, | |
1763 | .probe = acer_platform_probe, | |
1764 | .remove = acer_platform_remove, | |
1765 | .suspend = acer_platform_suspend, | |
1766 | .resume = acer_platform_resume, | |
9a0b74fd | 1767 | .shutdown = acer_platform_shutdown, |
745a5d21 CC |
1768 | }; |
1769 | ||
1770 | static struct platform_device *acer_platform_device; | |
1771 | ||
1772 | static int remove_sysfs(struct platform_device *device) | |
1773 | { | |
745a5d21 CC |
1774 | if (has_cap(ACER_CAP_THREEG)) |
1775 | device_remove_file(&device->dev, &dev_attr_threeg); | |
1776 | ||
1777 | device_remove_file(&device->dev, &dev_attr_interface); | |
1778 | ||
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | static int create_sysfs(void) | |
1783 | { | |
1784 | int retval = -ENOMEM; | |
1785 | ||
745a5d21 CC |
1786 | if (has_cap(ACER_CAP_THREEG)) { |
1787 | retval = device_create_file(&acer_platform_device->dev, | |
1788 | &dev_attr_threeg); | |
1789 | if (retval) | |
1790 | goto error_sysfs; | |
1791 | } | |
1792 | ||
1793 | retval = device_create_file(&acer_platform_device->dev, | |
1794 | &dev_attr_interface); | |
1795 | if (retval) | |
1796 | goto error_sysfs; | |
1797 | ||
1798 | return 0; | |
1799 | ||
1800 | error_sysfs: | |
1801 | remove_sysfs(acer_platform_device); | |
1802 | return retval; | |
1803 | } | |
1804 | ||
81143522 CC |
1805 | static void remove_debugfs(void) |
1806 | { | |
1807 | debugfs_remove(interface->debug.devices); | |
1808 | debugfs_remove(interface->debug.root); | |
1809 | } | |
1810 | ||
1811 | static int create_debugfs(void) | |
1812 | { | |
1813 | interface->debug.root = debugfs_create_dir("acer-wmi", NULL); | |
1814 | if (!interface->debug.root) { | |
cae15702 | 1815 | pr_err("Failed to create debugfs directory"); |
81143522 CC |
1816 | return -ENOMEM; |
1817 | } | |
1818 | ||
1819 | interface->debug.devices = debugfs_create_u32("devices", S_IRUGO, | |
1820 | interface->debug.root, | |
1821 | &interface->debug.wmid_devices); | |
1822 | if (!interface->debug.devices) | |
1823 | goto error_debugfs; | |
1824 | ||
1825 | return 0; | |
1826 | ||
1827 | error_debugfs: | |
39dbbb45 | 1828 | remove_debugfs(); |
81143522 CC |
1829 | return -ENOMEM; |
1830 | } | |
1831 | ||
745a5d21 CC |
1832 | static int __init acer_wmi_init(void) |
1833 | { | |
1834 | int err; | |
1835 | ||
cae15702 | 1836 | pr_info("Acer Laptop ACPI-WMI Extras\n"); |
745a5d21 | 1837 | |
a74dd5fd | 1838 | if (dmi_check_system(acer_blacklist)) { |
cae15702 | 1839 | pr_info("Blacklisted hardware detected - not loading\n"); |
a74dd5fd CC |
1840 | return -ENODEV; |
1841 | } | |
1842 | ||
9991d9f2 CC |
1843 | find_quirks(); |
1844 | ||
745a5d21 CC |
1845 | /* |
1846 | * Detect which ACPI-WMI interface we're using. | |
1847 | */ | |
1848 | if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1849 | interface = &AMW0_V2_interface; | |
1850 | ||
1851 | if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1852 | interface = &wmid_interface; | |
1853 | ||
1854 | if (wmi_has_guid(WMID_GUID2) && interface) { | |
1855 | if (ACPI_FAILURE(WMID_set_capabilities())) { | |
cae15702 | 1856 | pr_err("Unable to detect available WMID devices\n"); |
745a5d21 CC |
1857 | return -ENODEV; |
1858 | } | |
1859 | } else if (!wmi_has_guid(WMID_GUID2) && interface) { | |
cae15702 | 1860 | pr_err("No WMID device detection method found\n"); |
745a5d21 CC |
1861 | return -ENODEV; |
1862 | } | |
1863 | ||
1864 | if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { | |
1865 | interface = &AMW0_interface; | |
1866 | ||
1867 | if (ACPI_FAILURE(AMW0_set_capabilities())) { | |
cae15702 | 1868 | pr_err("Unable to detect available AMW0 devices\n"); |
745a5d21 CC |
1869 | return -ENODEV; |
1870 | } | |
1871 | } | |
1872 | ||
9b963c40 CC |
1873 | if (wmi_has_guid(AMW0_GUID1)) |
1874 | AMW0_find_mailled(); | |
745a5d21 | 1875 | |
745a5d21 | 1876 | if (!interface) { |
cae15702 | 1877 | pr_err("No or unsupported WMI interface, unable to load\n"); |
745a5d21 CC |
1878 | return -ENODEV; |
1879 | } | |
1880 | ||
83097aca AV |
1881 | set_quirks(); |
1882 | ||
1ba869ec | 1883 | if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { |
febf2d95 | 1884 | interface->capability &= ~ACER_CAP_BRIGHTNESS; |
cae15702 | 1885 | pr_info("Brightness must be controlled by " |
febf2d95 TR |
1886 | "generic video driver\n"); |
1887 | } | |
1888 | ||
59ccf2f3 FLCY |
1889 | if (wmi_has_guid(WMID_GUID3)) { |
1890 | if (ec_raw_mode) { | |
1891 | if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { | |
cae15702 | 1892 | pr_err("Cannot enable EC raw mode\n"); |
59ccf2f3 FLCY |
1893 | return -ENODEV; |
1894 | } | |
1895 | } else if (ACPI_FAILURE(acer_wmi_enable_lm())) { | |
cae15702 | 1896 | pr_err("Cannot enable Launch Manager mode\n"); |
59ccf2f3 FLCY |
1897 | return -ENODEV; |
1898 | } | |
1899 | } else if (ec_raw_mode) { | |
cae15702 | 1900 | pr_info("No WMID EC raw mode enable method\n"); |
59ccf2f3 FLCY |
1901 | } |
1902 | ||
3fdca87d LCY |
1903 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) { |
1904 | err = acer_wmi_input_setup(); | |
1905 | if (err) | |
1906 | return err; | |
1907 | } | |
1908 | ||
1c79632b AL |
1909 | err = platform_driver_register(&acer_platform_driver); |
1910 | if (err) { | |
cae15702 | 1911 | pr_err("Unable to register platform driver.\n"); |
745a5d21 CC |
1912 | goto error_platform_register; |
1913 | } | |
1c79632b | 1914 | |
745a5d21 | 1915 | acer_platform_device = platform_device_alloc("acer-wmi", -1); |
1c79632b AL |
1916 | if (!acer_platform_device) { |
1917 | err = -ENOMEM; | |
1918 | goto error_device_alloc; | |
1919 | } | |
1920 | ||
1921 | err = platform_device_add(acer_platform_device); | |
1922 | if (err) | |
1923 | goto error_device_add; | |
745a5d21 CC |
1924 | |
1925 | err = create_sysfs(); | |
1926 | if (err) | |
1c79632b | 1927 | goto error_create_sys; |
745a5d21 | 1928 | |
81143522 CC |
1929 | if (wmi_has_guid(WMID_GUID2)) { |
1930 | interface->debug.wmid_devices = get_wmid_devices(); | |
1931 | err = create_debugfs(); | |
1932 | if (err) | |
1c79632b | 1933 | goto error_create_debugfs; |
81143522 CC |
1934 | } |
1935 | ||
745a5d21 CC |
1936 | /* Override any initial settings with values from the commandline */ |
1937 | acer_commandline_init(); | |
1938 | ||
1939 | return 0; | |
1940 | ||
1c79632b AL |
1941 | error_create_debugfs: |
1942 | remove_sysfs(acer_platform_device); | |
1943 | error_create_sys: | |
1944 | platform_device_del(acer_platform_device); | |
1945 | error_device_add: | |
1946 | platform_device_put(acer_platform_device); | |
1947 | error_device_alloc: | |
1948 | platform_driver_unregister(&acer_platform_driver); | |
745a5d21 | 1949 | error_platform_register: |
3fdca87d LCY |
1950 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
1951 | acer_wmi_input_destroy(); | |
1952 | ||
1c79632b | 1953 | return err; |
745a5d21 CC |
1954 | } |
1955 | ||
1956 | static void __exit acer_wmi_exit(void) | |
1957 | { | |
3fdca87d LCY |
1958 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
1959 | acer_wmi_input_destroy(); | |
1960 | ||
745a5d21 | 1961 | remove_sysfs(acer_platform_device); |
39dbbb45 | 1962 | remove_debugfs(); |
97ba0af0 | 1963 | platform_device_unregister(acer_platform_device); |
745a5d21 CC |
1964 | platform_driver_unregister(&acer_platform_driver); |
1965 | ||
cae15702 | 1966 | pr_info("Acer Laptop WMI Extras unloaded\n"); |
745a5d21 CC |
1967 | return; |
1968 | } | |
1969 | ||
1970 | module_init(acer_wmi_init); | |
1971 | module_exit(acer_wmi_exit); |