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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 | ||
745a5d21 CC |
25 | #include <linux/kernel.h> |
26 | #include <linux/module.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/types.h> | |
29 | #include <linux/dmi.h> | |
f2b585b4 | 30 | #include <linux/fb.h> |
745a5d21 CC |
31 | #include <linux/backlight.h> |
32 | #include <linux/leds.h> | |
33 | #include <linux/platform_device.h> | |
34 | #include <linux/acpi.h> | |
35 | #include <linux/i8042.h> | |
0606e1ab CC |
36 | #include <linux/rfkill.h> |
37 | #include <linux/workqueue.h> | |
81143522 | 38 | #include <linux/debugfs.h> |
5a0e3ad6 | 39 | #include <linux/slab.h> |
3fdca87d LCY |
40 | #include <linux/input.h> |
41 | #include <linux/input/sparse-keymap.h> | |
6c3df88f | 42 | #include <linux/dmi.h> |
745a5d21 CC |
43 | |
44 | #include <acpi/acpi_drivers.h> | |
45 | ||
46 | MODULE_AUTHOR("Carlos Corbacho"); | |
47 | MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); | |
48 | MODULE_LICENSE("GPL"); | |
49 | ||
50 | #define ACER_LOGPREFIX "acer-wmi: " | |
51 | #define ACER_ERR KERN_ERR ACER_LOGPREFIX | |
52 | #define ACER_NOTICE KERN_NOTICE ACER_LOGPREFIX | |
53 | #define ACER_INFO KERN_INFO ACER_LOGPREFIX | |
3fdca87d | 54 | #define ACER_WARNING KERN_WARNING ACER_LOGPREFIX |
745a5d21 | 55 | |
745a5d21 CC |
56 | /* |
57 | * Magic Number | |
58 | * Meaning is unknown - this number is required for writing to ACPI for AMW0 | |
59 | * (it's also used in acerhk when directly accessing the BIOS) | |
60 | */ | |
61 | #define ACER_AMW0_WRITE 0x9610 | |
62 | ||
63 | /* | |
64 | * Bit masks for the AMW0 interface | |
65 | */ | |
66 | #define ACER_AMW0_WIRELESS_MASK 0x35 | |
67 | #define ACER_AMW0_BLUETOOTH_MASK 0x34 | |
68 | #define ACER_AMW0_MAILLED_MASK 0x31 | |
69 | ||
70 | /* | |
71 | * Method IDs for WMID interface | |
72 | */ | |
73 | #define ACER_WMID_GET_WIRELESS_METHODID 1 | |
74 | #define ACER_WMID_GET_BLUETOOTH_METHODID 2 | |
75 | #define ACER_WMID_GET_BRIGHTNESS_METHODID 3 | |
76 | #define ACER_WMID_SET_WIRELESS_METHODID 4 | |
77 | #define ACER_WMID_SET_BLUETOOTH_METHODID 5 | |
78 | #define ACER_WMID_SET_BRIGHTNESS_METHODID 6 | |
79 | #define ACER_WMID_GET_THREEG_METHODID 10 | |
80 | #define ACER_WMID_SET_THREEG_METHODID 11 | |
81 | ||
82 | /* | |
83 | * Acer ACPI method GUIDs | |
84 | */ | |
85 | #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" | |
5753dd53 | 86 | #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" |
745a5d21 CC |
87 | #define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3" |
88 | #define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A" | |
b3c9092b | 89 | #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" |
745a5d21 | 90 | |
3fdca87d LCY |
91 | /* |
92 | * Acer ACPI event GUIDs | |
93 | */ | |
94 | #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026" | |
95 | ||
745a5d21 CC |
96 | MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); |
97 | MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"); | |
3fdca87d LCY |
98 | MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); |
99 | ||
100 | enum acer_wmi_event_ids { | |
101 | WMID_HOTKEY_EVENT = 0x1, | |
102 | }; | |
103 | ||
104 | static const struct key_entry acer_wmi_keymap[] = { | |
105 | {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ | |
106 | {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */ | |
107 | {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */ | |
108 | {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */ | |
109 | {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */ | |
110 | {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */ | |
111 | {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ | |
112 | {KE_KEY, 0x82, {KEY_F22} }, /* Touch Pad On/Off */ | |
113 | {KE_END, 0} | |
114 | }; | |
115 | ||
116 | static struct input_dev *acer_wmi_input_dev; | |
117 | ||
118 | struct event_return_value { | |
119 | u8 function; | |
120 | u8 key_num; | |
121 | u16 device_state; | |
122 | u32 reserved; | |
123 | } __attribute__((packed)); | |
745a5d21 | 124 | |
b3c9092b LCY |
125 | /* |
126 | * GUID3 Get Device Status device flags | |
127 | */ | |
6c3df88f | 128 | #define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */ |
b3c9092b | 129 | #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */ |
6c3df88f | 130 | #define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */ |
b3c9092b | 131 | |
59ccf2f3 FLCY |
132 | struct lm_input_params { |
133 | u8 function_num; /* Function Number */ | |
134 | u16 commun_devices; /* Communication type devices default status */ | |
135 | u16 devices; /* Other type devices default status */ | |
136 | u8 lm_status; /* Launch Manager Status */ | |
137 | u16 reserved; | |
138 | } __attribute__((packed)); | |
139 | ||
140 | struct lm_return_value { | |
141 | u8 error_code; /* Error Code */ | |
142 | u8 ec_return_value; /* EC Return Value */ | |
143 | u16 reserved; | |
144 | } __attribute__((packed)); | |
145 | ||
b3c9092b LCY |
146 | struct wmid3_gds_input_param { /* Get Device Status input parameter */ |
147 | u8 function_num; /* Function Number */ | |
148 | u8 hotkey_number; /* Hotkey Number */ | |
149 | u16 devices; /* Get Device */ | |
150 | } __attribute__((packed)); | |
151 | ||
152 | struct wmid3_gds_return_value { /* Get Device Status return value*/ | |
153 | u8 error_code; /* Error Code */ | |
154 | u8 ec_return_value; /* EC Return Value */ | |
155 | u16 devices; /* Current Device Status */ | |
156 | u32 reserved; | |
157 | } __attribute__((packed)); | |
158 | ||
6c3df88f LCY |
159 | struct hotkey_function_type_aa { |
160 | u8 type; | |
161 | u8 length; | |
162 | u16 handle; | |
163 | u16 commun_func_bitmap; | |
164 | } __attribute__((packed)); | |
165 | ||
745a5d21 CC |
166 | /* |
167 | * Interface capability flags | |
168 | */ | |
169 | #define ACER_CAP_MAILLED (1<<0) | |
170 | #define ACER_CAP_WIRELESS (1<<1) | |
171 | #define ACER_CAP_BLUETOOTH (1<<2) | |
172 | #define ACER_CAP_BRIGHTNESS (1<<3) | |
173 | #define ACER_CAP_THREEG (1<<4) | |
174 | #define ACER_CAP_ANY (0xFFFFFFFF) | |
175 | ||
176 | /* | |
177 | * Interface type flags | |
178 | */ | |
179 | enum interface_flags { | |
180 | ACER_AMW0, | |
181 | ACER_AMW0_V2, | |
182 | ACER_WMID, | |
183 | }; | |
184 | ||
185 | #define ACER_DEFAULT_WIRELESS 0 | |
186 | #define ACER_DEFAULT_BLUETOOTH 0 | |
187 | #define ACER_DEFAULT_MAILLED 0 | |
188 | #define ACER_DEFAULT_THREEG 0 | |
189 | ||
190 | static int max_brightness = 0xF; | |
191 | ||
745a5d21 CC |
192 | static int mailled = -1; |
193 | static int brightness = -1; | |
194 | static int threeg = -1; | |
195 | static int force_series; | |
59ccf2f3 | 196 | static bool ec_raw_mode; |
6c3df88f | 197 | static bool has_type_aa; |
745a5d21 CC |
198 | |
199 | module_param(mailled, int, 0444); | |
745a5d21 CC |
200 | module_param(brightness, int, 0444); |
201 | module_param(threeg, int, 0444); | |
202 | module_param(force_series, int, 0444); | |
59ccf2f3 | 203 | module_param(ec_raw_mode, bool, 0444); |
745a5d21 CC |
204 | MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); |
205 | MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); | |
206 | MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); | |
207 | MODULE_PARM_DESC(force_series, "Force a different laptop series"); | |
59ccf2f3 | 208 | MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode"); |
745a5d21 CC |
209 | |
210 | struct acer_data { | |
211 | int mailled; | |
745a5d21 CC |
212 | int threeg; |
213 | int brightness; | |
214 | }; | |
215 | ||
81143522 CC |
216 | struct acer_debug { |
217 | struct dentry *root; | |
218 | struct dentry *devices; | |
219 | u32 wmid_devices; | |
220 | }; | |
221 | ||
0606e1ab CC |
222 | static struct rfkill *wireless_rfkill; |
223 | static struct rfkill *bluetooth_rfkill; | |
b3c9092b | 224 | static struct rfkill *threeg_rfkill; |
0606e1ab | 225 | |
745a5d21 CC |
226 | /* Each low-level interface must define at least some of the following */ |
227 | struct wmi_interface { | |
228 | /* The WMI device type */ | |
229 | u32 type; | |
230 | ||
231 | /* The capabilities this interface provides */ | |
232 | u32 capability; | |
233 | ||
234 | /* Private data for the current interface */ | |
235 | struct acer_data data; | |
81143522 CC |
236 | |
237 | /* debugfs entries associated with this interface */ | |
238 | struct acer_debug debug; | |
745a5d21 CC |
239 | }; |
240 | ||
241 | /* The static interface pointer, points to the currently detected interface */ | |
242 | static struct wmi_interface *interface; | |
243 | ||
244 | /* | |
245 | * Embedded Controller quirks | |
246 | * Some laptops require us to directly access the EC to either enable or query | |
247 | * features that are not available through WMI. | |
248 | */ | |
249 | ||
250 | struct quirk_entry { | |
251 | u8 wireless; | |
252 | u8 mailled; | |
9991d9f2 | 253 | s8 brightness; |
745a5d21 CC |
254 | u8 bluetooth; |
255 | }; | |
256 | ||
257 | static struct quirk_entry *quirks; | |
258 | ||
259 | static void set_quirks(void) | |
260 | { | |
83097aca AV |
261 | if (!interface) |
262 | return; | |
263 | ||
745a5d21 CC |
264 | if (quirks->mailled) |
265 | interface->capability |= ACER_CAP_MAILLED; | |
266 | ||
267 | if (quirks->brightness) | |
268 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
269 | } | |
270 | ||
271 | static int dmi_matched(const struct dmi_system_id *dmi) | |
272 | { | |
273 | quirks = dmi->driver_data; | |
d53bf0f3 | 274 | return 1; |
745a5d21 CC |
275 | } |
276 | ||
277 | static struct quirk_entry quirk_unknown = { | |
278 | }; | |
279 | ||
9991d9f2 CC |
280 | static struct quirk_entry quirk_acer_aspire_1520 = { |
281 | .brightness = -1, | |
282 | }; | |
283 | ||
745a5d21 CC |
284 | static struct quirk_entry quirk_acer_travelmate_2490 = { |
285 | .mailled = 1, | |
286 | }; | |
287 | ||
288 | /* This AMW0 laptop has no bluetooth */ | |
289 | static struct quirk_entry quirk_medion_md_98300 = { | |
290 | .wireless = 1, | |
291 | }; | |
292 | ||
6f061ab5 CC |
293 | static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { |
294 | .wireless = 2, | |
295 | }; | |
296 | ||
a74dd5fd CC |
297 | /* The Aspire One has a dummy ACPI-WMI interface - disable it */ |
298 | static struct dmi_system_id __devinitdata acer_blacklist[] = { | |
299 | { | |
300 | .ident = "Acer Aspire One (SSD)", | |
301 | .matches = { | |
302 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
303 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"), | |
304 | }, | |
305 | }, | |
306 | { | |
307 | .ident = "Acer Aspire One (HDD)", | |
308 | .matches = { | |
309 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
310 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), | |
311 | }, | |
312 | }, | |
313 | {} | |
314 | }; | |
315 | ||
745a5d21 | 316 | static struct dmi_system_id acer_quirks[] = { |
9991d9f2 CC |
317 | { |
318 | .callback = dmi_matched, | |
319 | .ident = "Acer Aspire 1360", | |
320 | .matches = { | |
321 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
322 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), | |
323 | }, | |
324 | .driver_data = &quirk_acer_aspire_1520, | |
325 | }, | |
326 | { | |
327 | .callback = dmi_matched, | |
328 | .ident = "Acer Aspire 1520", | |
329 | .matches = { | |
330 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
331 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), | |
332 | }, | |
333 | .driver_data = &quirk_acer_aspire_1520, | |
334 | }, | |
745a5d21 CC |
335 | { |
336 | .callback = dmi_matched, | |
337 | .ident = "Acer Aspire 3100", | |
338 | .matches = { | |
339 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
340 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), | |
341 | }, | |
342 | .driver_data = &quirk_acer_travelmate_2490, | |
343 | }, | |
ed9cfe98 CC |
344 | { |
345 | .callback = dmi_matched, | |
346 | .ident = "Acer Aspire 3610", | |
347 | .matches = { | |
348 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
349 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), | |
350 | }, | |
351 | .driver_data = &quirk_acer_travelmate_2490, | |
352 | }, | |
745a5d21 CC |
353 | { |
354 | .callback = dmi_matched, | |
355 | .ident = "Acer Aspire 5100", | |
356 | .matches = { | |
357 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
358 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), | |
359 | }, | |
360 | .driver_data = &quirk_acer_travelmate_2490, | |
361 | }, | |
ed9cfe98 CC |
362 | { |
363 | .callback = dmi_matched, | |
364 | .ident = "Acer Aspire 5610", | |
365 | .matches = { | |
366 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
367 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), | |
368 | }, | |
369 | .driver_data = &quirk_acer_travelmate_2490, | |
370 | }, | |
745a5d21 CC |
371 | { |
372 | .callback = dmi_matched, | |
373 | .ident = "Acer Aspire 5630", | |
374 | .matches = { | |
375 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
376 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), | |
377 | }, | |
378 | .driver_data = &quirk_acer_travelmate_2490, | |
379 | }, | |
380 | { | |
381 | .callback = dmi_matched, | |
382 | .ident = "Acer Aspire 5650", | |
383 | .matches = { | |
384 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
385 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), | |
386 | }, | |
387 | .driver_data = &quirk_acer_travelmate_2490, | |
388 | }, | |
389 | { | |
390 | .callback = dmi_matched, | |
391 | .ident = "Acer Aspire 5680", | |
392 | .matches = { | |
393 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
394 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), | |
395 | }, | |
396 | .driver_data = &quirk_acer_travelmate_2490, | |
397 | }, | |
398 | { | |
399 | .callback = dmi_matched, | |
400 | .ident = "Acer Aspire 9110", | |
401 | .matches = { | |
402 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
403 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), | |
404 | }, | |
405 | .driver_data = &quirk_acer_travelmate_2490, | |
406 | }, | |
407 | { | |
408 | .callback = dmi_matched, | |
409 | .ident = "Acer TravelMate 2490", | |
410 | .matches = { | |
411 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
412 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), | |
413 | }, | |
414 | .driver_data = &quirk_acer_travelmate_2490, | |
415 | }, | |
262ee35b CC |
416 | { |
417 | .callback = dmi_matched, | |
418 | .ident = "Acer TravelMate 4200", | |
419 | .matches = { | |
420 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
421 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), | |
422 | }, | |
423 | .driver_data = &quirk_acer_travelmate_2490, | |
424 | }, | |
6f061ab5 CC |
425 | { |
426 | .callback = dmi_matched, | |
427 | .ident = "Fujitsu Siemens Amilo Li 1718", | |
428 | .matches = { | |
429 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
430 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), | |
431 | }, | |
432 | .driver_data = &quirk_fujitsu_amilo_li_1718, | |
433 | }, | |
745a5d21 CC |
434 | { |
435 | .callback = dmi_matched, | |
436 | .ident = "Medion MD 98300", | |
437 | .matches = { | |
438 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
439 | DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), | |
440 | }, | |
441 | .driver_data = &quirk_medion_md_98300, | |
442 | }, | |
443 | {} | |
444 | }; | |
445 | ||
446 | /* Find which quirks are needed for a particular vendor/ model pair */ | |
447 | static void find_quirks(void) | |
448 | { | |
449 | if (!force_series) { | |
450 | dmi_check_system(acer_quirks); | |
451 | } else if (force_series == 2490) { | |
452 | quirks = &quirk_acer_travelmate_2490; | |
453 | } | |
454 | ||
455 | if (quirks == NULL) | |
456 | quirks = &quirk_unknown; | |
457 | ||
458 | set_quirks(); | |
459 | } | |
460 | ||
461 | /* | |
462 | * General interface convenience methods | |
463 | */ | |
464 | ||
465 | static bool has_cap(u32 cap) | |
466 | { | |
467 | if ((interface->capability & cap) != 0) | |
468 | return 1; | |
469 | ||
470 | return 0; | |
471 | } | |
472 | ||
473 | /* | |
474 | * AMW0 (V1) interface | |
475 | */ | |
476 | struct wmab_args { | |
477 | u32 eax; | |
478 | u32 ebx; | |
479 | u32 ecx; | |
480 | u32 edx; | |
481 | }; | |
482 | ||
483 | struct wmab_ret { | |
484 | u32 eax; | |
485 | u32 ebx; | |
486 | u32 ecx; | |
487 | u32 edx; | |
488 | u32 eex; | |
489 | }; | |
490 | ||
491 | static acpi_status wmab_execute(struct wmab_args *regbuf, | |
492 | struct acpi_buffer *result) | |
493 | { | |
494 | struct acpi_buffer input; | |
495 | acpi_status status; | |
496 | input.length = sizeof(struct wmab_args); | |
497 | input.pointer = (u8 *)regbuf; | |
498 | ||
499 | status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result); | |
500 | ||
501 | return status; | |
502 | } | |
503 | ||
504 | static acpi_status AMW0_get_u32(u32 *value, u32 cap, | |
505 | struct wmi_interface *iface) | |
506 | { | |
507 | int err; | |
508 | u8 result; | |
509 | ||
510 | switch (cap) { | |
511 | case ACER_CAP_MAILLED: | |
512 | switch (quirks->mailled) { | |
513 | default: | |
514 | err = ec_read(0xA, &result); | |
515 | if (err) | |
516 | return AE_ERROR; | |
517 | *value = (result >> 7) & 0x1; | |
518 | return AE_OK; | |
519 | } | |
520 | break; | |
521 | case ACER_CAP_WIRELESS: | |
522 | switch (quirks->wireless) { | |
523 | case 1: | |
524 | err = ec_read(0x7B, &result); | |
525 | if (err) | |
526 | return AE_ERROR; | |
527 | *value = result & 0x1; | |
528 | return AE_OK; | |
6f061ab5 CC |
529 | case 2: |
530 | err = ec_read(0x71, &result); | |
531 | if (err) | |
532 | return AE_ERROR; | |
533 | *value = result & 0x1; | |
534 | return AE_OK; | |
745a5d21 CC |
535 | default: |
536 | err = ec_read(0xA, &result); | |
537 | if (err) | |
538 | return AE_ERROR; | |
539 | *value = (result >> 2) & 0x1; | |
540 | return AE_OK; | |
541 | } | |
542 | break; | |
543 | case ACER_CAP_BLUETOOTH: | |
544 | switch (quirks->bluetooth) { | |
545 | default: | |
546 | err = ec_read(0xA, &result); | |
547 | if (err) | |
548 | return AE_ERROR; | |
549 | *value = (result >> 4) & 0x1; | |
550 | return AE_OK; | |
551 | } | |
552 | break; | |
553 | case ACER_CAP_BRIGHTNESS: | |
554 | switch (quirks->brightness) { | |
555 | default: | |
556 | err = ec_read(0x83, &result); | |
557 | if (err) | |
558 | return AE_ERROR; | |
559 | *value = result; | |
560 | return AE_OK; | |
561 | } | |
562 | break; | |
563 | default: | |
08237974 | 564 | return AE_ERROR; |
745a5d21 CC |
565 | } |
566 | return AE_OK; | |
567 | } | |
568 | ||
569 | static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface) | |
570 | { | |
571 | struct wmab_args args; | |
572 | ||
573 | args.eax = ACER_AMW0_WRITE; | |
574 | args.ebx = value ? (1<<8) : 0; | |
575 | args.ecx = args.edx = 0; | |
576 | ||
577 | switch (cap) { | |
578 | case ACER_CAP_MAILLED: | |
579 | if (value > 1) | |
580 | return AE_BAD_PARAMETER; | |
581 | args.ebx |= ACER_AMW0_MAILLED_MASK; | |
582 | break; | |
583 | case ACER_CAP_WIRELESS: | |
584 | if (value > 1) | |
585 | return AE_BAD_PARAMETER; | |
586 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
587 | break; | |
588 | case ACER_CAP_BLUETOOTH: | |
589 | if (value > 1) | |
590 | return AE_BAD_PARAMETER; | |
591 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
592 | break; | |
593 | case ACER_CAP_BRIGHTNESS: | |
594 | if (value > max_brightness) | |
595 | return AE_BAD_PARAMETER; | |
596 | switch (quirks->brightness) { | |
745a5d21 | 597 | default: |
4609d029 CC |
598 | return ec_write(0x83, value); |
599 | break; | |
745a5d21 CC |
600 | } |
601 | default: | |
08237974 | 602 | return AE_ERROR; |
745a5d21 CC |
603 | } |
604 | ||
605 | /* Actually do the set */ | |
606 | return wmab_execute(&args, NULL); | |
607 | } | |
608 | ||
609 | static acpi_status AMW0_find_mailled(void) | |
610 | { | |
611 | struct wmab_args args; | |
612 | struct wmab_ret ret; | |
613 | acpi_status status = AE_OK; | |
614 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; | |
615 | union acpi_object *obj; | |
616 | ||
617 | args.eax = 0x86; | |
618 | args.ebx = args.ecx = args.edx = 0; | |
619 | ||
620 | status = wmab_execute(&args, &out); | |
621 | if (ACPI_FAILURE(status)) | |
622 | return status; | |
623 | ||
624 | obj = (union acpi_object *) out.pointer; | |
625 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
626 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
627 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
628 | } else { | |
7677fbdf | 629 | kfree(out.pointer); |
745a5d21 CC |
630 | return AE_ERROR; |
631 | } | |
632 | ||
633 | if (ret.eex & 0x1) | |
634 | interface->capability |= ACER_CAP_MAILLED; | |
635 | ||
636 | kfree(out.pointer); | |
637 | ||
638 | return AE_OK; | |
639 | } | |
640 | ||
641 | static acpi_status AMW0_set_capabilities(void) | |
642 | { | |
643 | struct wmab_args args; | |
644 | struct wmab_ret ret; | |
7677fbdf | 645 | acpi_status status; |
745a5d21 CC |
646 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; |
647 | union acpi_object *obj; | |
648 | ||
5753dd53 CC |
649 | /* |
650 | * On laptops with this strange GUID (non Acer), normal probing doesn't | |
651 | * work. | |
652 | */ | |
653 | if (wmi_has_guid(AMW0_GUID2)) { | |
654 | interface->capability |= ACER_CAP_WIRELESS; | |
655 | return AE_OK; | |
656 | } | |
657 | ||
745a5d21 CC |
658 | args.eax = ACER_AMW0_WRITE; |
659 | args.ecx = args.edx = 0; | |
660 | ||
661 | args.ebx = 0xa2 << 8; | |
662 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
663 | ||
664 | status = wmab_execute(&args, &out); | |
665 | if (ACPI_FAILURE(status)) | |
666 | return status; | |
667 | ||
7677fbdf | 668 | obj = out.pointer; |
745a5d21 CC |
669 | if (obj && obj->type == ACPI_TYPE_BUFFER && |
670 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
671 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
672 | } else { | |
7677fbdf AL |
673 | status = AE_ERROR; |
674 | goto out; | |
745a5d21 CC |
675 | } |
676 | ||
677 | if (ret.eax & 0x1) | |
678 | interface->capability |= ACER_CAP_WIRELESS; | |
679 | ||
680 | args.ebx = 2 << 8; | |
681 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
682 | ||
7677fbdf AL |
683 | /* |
684 | * It's ok to use existing buffer for next wmab_execute call. | |
685 | * But we need to kfree(out.pointer) if next wmab_execute fail. | |
686 | */ | |
745a5d21 CC |
687 | status = wmab_execute(&args, &out); |
688 | if (ACPI_FAILURE(status)) | |
7677fbdf | 689 | goto out; |
745a5d21 CC |
690 | |
691 | obj = (union acpi_object *) out.pointer; | |
692 | if (obj && obj->type == ACPI_TYPE_BUFFER | |
693 | && obj->buffer.length == sizeof(struct wmab_ret)) { | |
694 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
695 | } else { | |
7677fbdf AL |
696 | status = AE_ERROR; |
697 | goto out; | |
745a5d21 CC |
698 | } |
699 | ||
700 | if (ret.eax & 0x1) | |
701 | interface->capability |= ACER_CAP_BLUETOOTH; | |
702 | ||
745a5d21 CC |
703 | /* |
704 | * This appears to be safe to enable, since all Wistron based laptops | |
705 | * appear to use the same EC register for brightness, even if they | |
706 | * differ for wireless, etc | |
707 | */ | |
9991d9f2 CC |
708 | if (quirks->brightness >= 0) |
709 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
745a5d21 | 710 | |
7677fbdf AL |
711 | status = AE_OK; |
712 | out: | |
713 | kfree(out.pointer); | |
714 | return status; | |
745a5d21 CC |
715 | } |
716 | ||
717 | static struct wmi_interface AMW0_interface = { | |
718 | .type = ACER_AMW0, | |
719 | }; | |
720 | ||
721 | static struct wmi_interface AMW0_V2_interface = { | |
722 | .type = ACER_AMW0_V2, | |
723 | }; | |
724 | ||
725 | /* | |
726 | * New interface (The WMID interface) | |
727 | */ | |
728 | static acpi_status | |
729 | WMI_execute_u32(u32 method_id, u32 in, u32 *out) | |
730 | { | |
731 | struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; | |
732 | struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; | |
733 | union acpi_object *obj; | |
734 | u32 tmp; | |
735 | acpi_status status; | |
736 | ||
737 | status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result); | |
738 | ||
739 | if (ACPI_FAILURE(status)) | |
740 | return status; | |
741 | ||
742 | obj = (union acpi_object *) result.pointer; | |
743 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
744 | obj->buffer.length == sizeof(u32)) { | |
745 | tmp = *((u32 *) obj->buffer.pointer); | |
746 | } else { | |
747 | tmp = 0; | |
748 | } | |
749 | ||
750 | if (out) | |
751 | *out = tmp; | |
752 | ||
753 | kfree(result.pointer); | |
754 | ||
755 | return status; | |
756 | } | |
757 | ||
758 | static acpi_status WMID_get_u32(u32 *value, u32 cap, | |
759 | struct wmi_interface *iface) | |
760 | { | |
761 | acpi_status status; | |
762 | u8 tmp; | |
763 | u32 result, method_id = 0; | |
764 | ||
765 | switch (cap) { | |
766 | case ACER_CAP_WIRELESS: | |
767 | method_id = ACER_WMID_GET_WIRELESS_METHODID; | |
768 | break; | |
769 | case ACER_CAP_BLUETOOTH: | |
770 | method_id = ACER_WMID_GET_BLUETOOTH_METHODID; | |
771 | break; | |
772 | case ACER_CAP_BRIGHTNESS: | |
773 | method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; | |
774 | break; | |
775 | case ACER_CAP_THREEG: | |
776 | method_id = ACER_WMID_GET_THREEG_METHODID; | |
777 | break; | |
778 | case ACER_CAP_MAILLED: | |
779 | if (quirks->mailled == 1) { | |
780 | ec_read(0x9f, &tmp); | |
781 | *value = tmp & 0x1; | |
782 | return 0; | |
783 | } | |
784 | default: | |
08237974 | 785 | return AE_ERROR; |
745a5d21 CC |
786 | } |
787 | status = WMI_execute_u32(method_id, 0, &result); | |
788 | ||
789 | if (ACPI_SUCCESS(status)) | |
790 | *value = (u8)result; | |
791 | ||
792 | return status; | |
793 | } | |
794 | ||
795 | static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface) | |
796 | { | |
797 | u32 method_id = 0; | |
798 | char param; | |
799 | ||
800 | switch (cap) { | |
801 | case ACER_CAP_BRIGHTNESS: | |
802 | if (value > max_brightness) | |
803 | return AE_BAD_PARAMETER; | |
804 | method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; | |
805 | break; | |
806 | case ACER_CAP_WIRELESS: | |
807 | if (value > 1) | |
808 | return AE_BAD_PARAMETER; | |
809 | method_id = ACER_WMID_SET_WIRELESS_METHODID; | |
810 | break; | |
811 | case ACER_CAP_BLUETOOTH: | |
812 | if (value > 1) | |
813 | return AE_BAD_PARAMETER; | |
814 | method_id = ACER_WMID_SET_BLUETOOTH_METHODID; | |
815 | break; | |
816 | case ACER_CAP_THREEG: | |
817 | if (value > 1) | |
818 | return AE_BAD_PARAMETER; | |
819 | method_id = ACER_WMID_SET_THREEG_METHODID; | |
820 | break; | |
821 | case ACER_CAP_MAILLED: | |
822 | if (value > 1) | |
823 | return AE_BAD_PARAMETER; | |
824 | if (quirks->mailled == 1) { | |
825 | param = value ? 0x92 : 0x93; | |
181d683d | 826 | i8042_lock_chip(); |
745a5d21 | 827 | i8042_command(¶m, 0x1059); |
181d683d | 828 | i8042_unlock_chip(); |
745a5d21 CC |
829 | return 0; |
830 | } | |
831 | break; | |
832 | default: | |
08237974 | 833 | return AE_ERROR; |
745a5d21 CC |
834 | } |
835 | return WMI_execute_u32(method_id, (u32)value, NULL); | |
836 | } | |
837 | ||
6c3df88f LCY |
838 | static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy) |
839 | { | |
840 | struct hotkey_function_type_aa *type_aa; | |
841 | ||
842 | /* We are looking for OEM-specific Type AAh */ | |
843 | if (header->type != 0xAA) | |
844 | return; | |
845 | ||
846 | has_type_aa = true; | |
847 | type_aa = (struct hotkey_function_type_aa *) header; | |
848 | ||
849 | printk(ACER_INFO "Function bitmap for Communication Button: 0x%x\n", | |
850 | type_aa->commun_func_bitmap); | |
851 | ||
852 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS) | |
853 | interface->capability |= ACER_CAP_WIRELESS; | |
854 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG) | |
855 | interface->capability |= ACER_CAP_THREEG; | |
856 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH) | |
857 | interface->capability |= ACER_CAP_BLUETOOTH; | |
858 | } | |
859 | ||
745a5d21 CC |
860 | static acpi_status WMID_set_capabilities(void) |
861 | { | |
862 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
863 | union acpi_object *obj; | |
864 | acpi_status status; | |
865 | u32 devices; | |
866 | ||
867 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
868 | if (ACPI_FAILURE(status)) | |
869 | return status; | |
870 | ||
871 | obj = (union acpi_object *) out.pointer; | |
872 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
873 | obj->buffer.length == sizeof(u32)) { | |
874 | devices = *((u32 *) obj->buffer.pointer); | |
875 | } else { | |
66904863 | 876 | kfree(out.pointer); |
745a5d21 CC |
877 | return AE_ERROR; |
878 | } | |
879 | ||
6c3df88f LCY |
880 | dmi_walk(type_aa_dmi_decode, NULL); |
881 | if (!has_type_aa) { | |
882 | interface->capability |= ACER_CAP_WIRELESS; | |
883 | interface->capability |= ACER_CAP_THREEG; | |
884 | if (devices & 0x10) | |
885 | interface->capability |= ACER_CAP_BLUETOOTH; | |
886 | } | |
745a5d21 CC |
887 | |
888 | /* WMID always provides brightness methods */ | |
889 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
890 | ||
745a5d21 CC |
891 | if (!(devices & 0x20)) |
892 | max_brightness = 0x9; | |
893 | ||
66904863 | 894 | kfree(out.pointer); |
745a5d21 CC |
895 | return status; |
896 | } | |
897 | ||
898 | static struct wmi_interface wmid_interface = { | |
899 | .type = ACER_WMID, | |
900 | }; | |
901 | ||
902 | /* | |
903 | * Generic Device (interface-independent) | |
904 | */ | |
905 | ||
906 | static acpi_status get_u32(u32 *value, u32 cap) | |
907 | { | |
08237974 | 908 | acpi_status status = AE_ERROR; |
745a5d21 CC |
909 | |
910 | switch (interface->type) { | |
911 | case ACER_AMW0: | |
912 | status = AMW0_get_u32(value, cap, interface); | |
913 | break; | |
914 | case ACER_AMW0_V2: | |
915 | if (cap == ACER_CAP_MAILLED) { | |
916 | status = AMW0_get_u32(value, cap, interface); | |
917 | break; | |
918 | } | |
919 | case ACER_WMID: | |
920 | status = WMID_get_u32(value, cap, interface); | |
921 | break; | |
922 | } | |
923 | ||
924 | return status; | |
925 | } | |
926 | ||
927 | static acpi_status set_u32(u32 value, u32 cap) | |
928 | { | |
5c742b45 CC |
929 | acpi_status status; |
930 | ||
745a5d21 CC |
931 | if (interface->capability & cap) { |
932 | switch (interface->type) { | |
933 | case ACER_AMW0: | |
934 | return AMW0_set_u32(value, cap, interface); | |
935 | case ACER_AMW0_V2: | |
5c742b45 CC |
936 | if (cap == ACER_CAP_MAILLED) |
937 | return AMW0_set_u32(value, cap, interface); | |
938 | ||
939 | /* | |
940 | * On some models, some WMID methods don't toggle | |
941 | * properly. For those cases, we want to run the AMW0 | |
942 | * method afterwards to be certain we've really toggled | |
943 | * the device state. | |
944 | */ | |
945 | if (cap == ACER_CAP_WIRELESS || | |
946 | cap == ACER_CAP_BLUETOOTH) { | |
947 | status = WMID_set_u32(value, cap, interface); | |
948 | if (ACPI_FAILURE(status)) | |
949 | return status; | |
950 | ||
951 | return AMW0_set_u32(value, cap, interface); | |
952 | } | |
745a5d21 CC |
953 | case ACER_WMID: |
954 | return WMID_set_u32(value, cap, interface); | |
955 | default: | |
956 | return AE_BAD_PARAMETER; | |
957 | } | |
958 | } | |
959 | return AE_BAD_PARAMETER; | |
960 | } | |
961 | ||
962 | static void __init acer_commandline_init(void) | |
963 | { | |
964 | /* | |
965 | * These will all fail silently if the value given is invalid, or the | |
966 | * capability isn't available on the given interface | |
967 | */ | |
968 | set_u32(mailled, ACER_CAP_MAILLED); | |
6c3df88f LCY |
969 | if (!has_type_aa) |
970 | set_u32(threeg, ACER_CAP_THREEG); | |
745a5d21 CC |
971 | set_u32(brightness, ACER_CAP_BRIGHTNESS); |
972 | } | |
973 | ||
974 | /* | |
975 | * LED device (Mail LED only, no other LEDs known yet) | |
976 | */ | |
977 | static void mail_led_set(struct led_classdev *led_cdev, | |
978 | enum led_brightness value) | |
979 | { | |
980 | set_u32(value, ACER_CAP_MAILLED); | |
981 | } | |
982 | ||
983 | static struct led_classdev mail_led = { | |
343c0042 | 984 | .name = "acer-wmi::mail", |
745a5d21 CC |
985 | .brightness_set = mail_led_set, |
986 | }; | |
987 | ||
7560e385 | 988 | static int __devinit acer_led_init(struct device *dev) |
745a5d21 CC |
989 | { |
990 | return led_classdev_register(dev, &mail_led); | |
991 | } | |
992 | ||
993 | static void acer_led_exit(void) | |
994 | { | |
995 | led_classdev_unregister(&mail_led); | |
996 | } | |
997 | ||
998 | /* | |
999 | * Backlight device | |
1000 | */ | |
1001 | static struct backlight_device *acer_backlight_device; | |
1002 | ||
1003 | static int read_brightness(struct backlight_device *bd) | |
1004 | { | |
1005 | u32 value; | |
1006 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1007 | return value; | |
1008 | } | |
1009 | ||
1010 | static int update_bl_status(struct backlight_device *bd) | |
1011 | { | |
f2b585b4 CC |
1012 | int intensity = bd->props.brightness; |
1013 | ||
1014 | if (bd->props.power != FB_BLANK_UNBLANK) | |
1015 | intensity = 0; | |
1016 | if (bd->props.fb_blank != FB_BLANK_UNBLANK) | |
1017 | intensity = 0; | |
1018 | ||
1019 | set_u32(intensity, ACER_CAP_BRIGHTNESS); | |
1020 | ||
745a5d21 CC |
1021 | return 0; |
1022 | } | |
1023 | ||
1024 | static struct backlight_ops acer_bl_ops = { | |
1025 | .get_brightness = read_brightness, | |
1026 | .update_status = update_bl_status, | |
1027 | }; | |
1028 | ||
7560e385 | 1029 | static int __devinit acer_backlight_init(struct device *dev) |
745a5d21 | 1030 | { |
a19a6ee6 | 1031 | struct backlight_properties props; |
745a5d21 CC |
1032 | struct backlight_device *bd; |
1033 | ||
a19a6ee6 MG |
1034 | memset(&props, 0, sizeof(struct backlight_properties)); |
1035 | props.max_brightness = max_brightness; | |
1036 | bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, | |
1037 | &props); | |
745a5d21 CC |
1038 | if (IS_ERR(bd)) { |
1039 | printk(ACER_ERR "Could not register Acer backlight device\n"); | |
1040 | acer_backlight_device = NULL; | |
1041 | return PTR_ERR(bd); | |
1042 | } | |
1043 | ||
1044 | acer_backlight_device = bd; | |
1045 | ||
f2b585b4 | 1046 | bd->props.power = FB_BLANK_UNBLANK; |
6f6ef82c | 1047 | bd->props.brightness = read_brightness(bd); |
745a5d21 CC |
1048 | backlight_update_status(bd); |
1049 | return 0; | |
1050 | } | |
1051 | ||
7560e385 | 1052 | static void acer_backlight_exit(void) |
745a5d21 CC |
1053 | { |
1054 | backlight_device_unregister(acer_backlight_device); | |
1055 | } | |
1056 | ||
b3c9092b LCY |
1057 | static acpi_status wmid3_get_device_status(u32 *value, u16 device) |
1058 | { | |
1059 | struct wmid3_gds_return_value return_value; | |
1060 | acpi_status status; | |
1061 | union acpi_object *obj; | |
1062 | struct wmid3_gds_input_param params = { | |
1063 | .function_num = 0x1, | |
1064 | .hotkey_number = 0x01, | |
1065 | .devices = device, | |
1066 | }; | |
1067 | struct acpi_buffer input = { | |
1068 | sizeof(struct wmid3_gds_input_param), | |
1069 | ¶ms | |
1070 | }; | |
1071 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1072 | ||
1073 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); | |
1074 | if (ACPI_FAILURE(status)) | |
1075 | return status; | |
1076 | ||
1077 | obj = output.pointer; | |
1078 | ||
1079 | if (!obj) | |
1080 | return AE_ERROR; | |
1081 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1082 | kfree(obj); | |
1083 | return AE_ERROR; | |
1084 | } | |
1085 | if (obj->buffer.length != 8) { | |
1086 | printk(ACER_WARNING "Unknown buffer length %d\n", | |
1087 | obj->buffer.length); | |
1088 | kfree(obj); | |
1089 | return AE_ERROR; | |
1090 | } | |
1091 | ||
1092 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1093 | kfree(obj); | |
1094 | ||
1095 | if (return_value.error_code || return_value.ec_return_value) | |
1096 | printk(ACER_WARNING "Get Device Status failed: " | |
1097 | "0x%x - 0x%x\n", return_value.error_code, | |
1098 | return_value.ec_return_value); | |
1099 | else | |
1100 | *value = !!(return_value.devices & device); | |
1101 | ||
1102 | return status; | |
1103 | } | |
1104 | ||
466449cf LCY |
1105 | static acpi_status get_device_status(u32 *value, u32 cap) |
1106 | { | |
1107 | if (wmi_has_guid(WMID_GUID3)) { | |
1108 | u16 device; | |
1109 | ||
1110 | switch (cap) { | |
1111 | case ACER_CAP_WIRELESS: | |
1112 | device = ACER_WMID3_GDS_WIRELESS; | |
1113 | break; | |
1114 | case ACER_CAP_BLUETOOTH: | |
1115 | device = ACER_WMID3_GDS_BLUETOOTH; | |
1116 | break; | |
1117 | case ACER_CAP_THREEG: | |
1118 | device = ACER_WMID3_GDS_THREEG; | |
1119 | break; | |
1120 | default: | |
1121 | return AE_ERROR; | |
1122 | } | |
1123 | return wmid3_get_device_status(value, device); | |
1124 | ||
1125 | } else { | |
1126 | return get_u32(value, cap); | |
1127 | } | |
1128 | } | |
1129 | ||
0606e1ab CC |
1130 | /* |
1131 | * Rfkill devices | |
1132 | */ | |
0606e1ab CC |
1133 | static void acer_rfkill_update(struct work_struct *ignored); |
1134 | static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); | |
1135 | static void acer_rfkill_update(struct work_struct *ignored) | |
1136 | { | |
1137 | u32 state; | |
1138 | acpi_status status; | |
1139 | ||
1140 | status = get_u32(&state, ACER_CAP_WIRELESS); | |
1141 | if (ACPI_SUCCESS(status)) | |
a878417c | 1142 | rfkill_set_sw_state(wireless_rfkill, !state); |
0606e1ab CC |
1143 | |
1144 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1145 | status = get_u32(&state, ACER_CAP_BLUETOOTH); | |
1146 | if (ACPI_SUCCESS(status)) | |
a878417c | 1147 | rfkill_set_sw_state(bluetooth_rfkill, !state); |
0606e1ab CC |
1148 | } |
1149 | ||
b3c9092b LCY |
1150 | if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) { |
1151 | status = wmid3_get_device_status(&state, | |
1152 | ACER_WMID3_GDS_THREEG); | |
1153 | if (ACPI_SUCCESS(status)) | |
1154 | rfkill_set_sw_state(threeg_rfkill, !state); | |
1155 | } | |
1156 | ||
ae3a1b46 | 1157 | schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); |
0606e1ab CC |
1158 | } |
1159 | ||
19d337df | 1160 | static int acer_rfkill_set(void *data, bool blocked) |
0606e1ab CC |
1161 | { |
1162 | acpi_status status; | |
19d337df | 1163 | u32 cap = (unsigned long)data; |
ed5c8ef3 | 1164 | status = set_u32(!blocked, cap); |
0606e1ab CC |
1165 | if (ACPI_FAILURE(status)) |
1166 | return -ENODEV; | |
1167 | return 0; | |
1168 | } | |
1169 | ||
19d337df JB |
1170 | static const struct rfkill_ops acer_rfkill_ops = { |
1171 | .set_block = acer_rfkill_set, | |
1172 | }; | |
1173 | ||
1174 | static struct rfkill *acer_rfkill_register(struct device *dev, | |
1175 | enum rfkill_type type, | |
1176 | char *name, u32 cap) | |
0606e1ab CC |
1177 | { |
1178 | int err; | |
0606e1ab | 1179 | struct rfkill *rfkill_dev; |
466449cf LCY |
1180 | u32 state; |
1181 | acpi_status status; | |
0606e1ab | 1182 | |
19d337df JB |
1183 | rfkill_dev = rfkill_alloc(name, dev, type, |
1184 | &acer_rfkill_ops, | |
1185 | (void *)(unsigned long)cap); | |
0606e1ab CC |
1186 | if (!rfkill_dev) |
1187 | return ERR_PTR(-ENOMEM); | |
0606e1ab | 1188 | |
466449cf LCY |
1189 | status = get_device_status(&state, cap); |
1190 | if (ACPI_SUCCESS(status)) | |
1191 | rfkill_init_sw_state(rfkill_dev, !state); | |
1192 | ||
0606e1ab CC |
1193 | err = rfkill_register(rfkill_dev); |
1194 | if (err) { | |
19d337df | 1195 | rfkill_destroy(rfkill_dev); |
0606e1ab CC |
1196 | return ERR_PTR(err); |
1197 | } | |
1198 | return rfkill_dev; | |
1199 | } | |
1200 | ||
1201 | static int acer_rfkill_init(struct device *dev) | |
1202 | { | |
1203 | wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, | |
1204 | "acer-wireless", ACER_CAP_WIRELESS); | |
1205 | if (IS_ERR(wireless_rfkill)) | |
1206 | return PTR_ERR(wireless_rfkill); | |
1207 | ||
1208 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1209 | bluetooth_rfkill = acer_rfkill_register(dev, | |
1210 | RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", | |
1211 | ACER_CAP_BLUETOOTH); | |
1212 | if (IS_ERR(bluetooth_rfkill)) { | |
0606e1ab | 1213 | rfkill_unregister(wireless_rfkill); |
19d337df | 1214 | rfkill_destroy(wireless_rfkill); |
0606e1ab CC |
1215 | return PTR_ERR(bluetooth_rfkill); |
1216 | } | |
1217 | } | |
1218 | ||
b3c9092b LCY |
1219 | if (has_cap(ACER_CAP_THREEG)) { |
1220 | threeg_rfkill = acer_rfkill_register(dev, | |
1221 | RFKILL_TYPE_WWAN, "acer-threeg", | |
1222 | ACER_CAP_THREEG); | |
1223 | if (IS_ERR(threeg_rfkill)) { | |
1224 | rfkill_unregister(wireless_rfkill); | |
1225 | rfkill_destroy(wireless_rfkill); | |
1226 | rfkill_unregister(bluetooth_rfkill); | |
1227 | rfkill_destroy(bluetooth_rfkill); | |
1228 | return PTR_ERR(threeg_rfkill); | |
1229 | } | |
1230 | } | |
1231 | ||
ae3a1b46 | 1232 | schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); |
0606e1ab CC |
1233 | |
1234 | return 0; | |
1235 | } | |
1236 | ||
1237 | static void acer_rfkill_exit(void) | |
1238 | { | |
1239 | cancel_delayed_work_sync(&acer_rfkill_work); | |
19d337df | 1240 | |
0606e1ab | 1241 | rfkill_unregister(wireless_rfkill); |
19d337df JB |
1242 | rfkill_destroy(wireless_rfkill); |
1243 | ||
0606e1ab | 1244 | if (has_cap(ACER_CAP_BLUETOOTH)) { |
0606e1ab | 1245 | rfkill_unregister(bluetooth_rfkill); |
19d337df | 1246 | rfkill_destroy(bluetooth_rfkill); |
0606e1ab | 1247 | } |
b3c9092b LCY |
1248 | |
1249 | if (has_cap(ACER_CAP_THREEG)) { | |
1250 | rfkill_unregister(threeg_rfkill); | |
1251 | rfkill_destroy(threeg_rfkill); | |
1252 | } | |
0606e1ab CC |
1253 | return; |
1254 | } | |
1255 | ||
745a5d21 | 1256 | /* |
7d9a06de | 1257 | * sysfs interface |
745a5d21 | 1258 | */ |
7d9a06de CC |
1259 | static ssize_t show_bool_threeg(struct device *dev, |
1260 | struct device_attribute *attr, char *buf) | |
1261 | { | |
745a5d21 | 1262 | u32 result; \ |
b3c9092b LCY |
1263 | acpi_status status; |
1264 | if (wmi_has_guid(WMID_GUID3)) | |
1265 | status = wmid3_get_device_status(&result, | |
1266 | ACER_WMID3_GDS_THREEG); | |
1267 | else | |
1268 | status = get_u32(&result, ACER_CAP_THREEG); | |
7d9a06de CC |
1269 | if (ACPI_SUCCESS(status)) |
1270 | return sprintf(buf, "%u\n", result); | |
1271 | return sprintf(buf, "Read error\n"); | |
1272 | } | |
1273 | ||
1274 | static ssize_t set_bool_threeg(struct device *dev, | |
1275 | struct device_attribute *attr, const char *buf, size_t count) | |
1276 | { | |
1277 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
1278 | acpi_status status = set_u32(tmp, ACER_CAP_THREEG); | |
1279 | if (ACPI_FAILURE(status)) | |
1280 | return -EINVAL; | |
1281 | return count; | |
1282 | } | |
1283 | static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg, | |
1284 | set_bool_threeg); | |
745a5d21 | 1285 | |
745a5d21 CC |
1286 | static ssize_t show_interface(struct device *dev, struct device_attribute *attr, |
1287 | char *buf) | |
1288 | { | |
1289 | switch (interface->type) { | |
1290 | case ACER_AMW0: | |
1291 | return sprintf(buf, "AMW0\n"); | |
1292 | case ACER_AMW0_V2: | |
1293 | return sprintf(buf, "AMW0 v2\n"); | |
1294 | case ACER_WMID: | |
1295 | return sprintf(buf, "WMID\n"); | |
1296 | default: | |
1297 | return sprintf(buf, "Error!\n"); | |
1298 | } | |
1299 | } | |
1300 | ||
370525df | 1301 | static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL); |
745a5d21 | 1302 | |
3fdca87d LCY |
1303 | static void acer_wmi_notify(u32 value, void *context) |
1304 | { | |
1305 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1306 | union acpi_object *obj; | |
1307 | struct event_return_value return_value; | |
1308 | acpi_status status; | |
1309 | ||
1310 | status = wmi_get_event_data(value, &response); | |
1311 | if (status != AE_OK) { | |
1312 | printk(ACER_WARNING "bad event status 0x%x\n", status); | |
1313 | return; | |
1314 | } | |
1315 | ||
1316 | obj = (union acpi_object *)response.pointer; | |
1317 | ||
1318 | if (!obj) | |
1319 | return; | |
1320 | if (obj->type != ACPI_TYPE_BUFFER) { | |
1321 | printk(ACER_WARNING "Unknown response received %d\n", | |
1322 | obj->type); | |
1323 | kfree(obj); | |
1324 | return; | |
1325 | } | |
1326 | if (obj->buffer.length != 8) { | |
1327 | printk(ACER_WARNING "Unknown buffer length %d\n", | |
1328 | obj->buffer.length); | |
1329 | kfree(obj); | |
1330 | return; | |
1331 | } | |
1332 | ||
1333 | return_value = *((struct event_return_value *)obj->buffer.pointer); | |
1334 | kfree(obj); | |
1335 | ||
1336 | switch (return_value.function) { | |
1337 | case WMID_HOTKEY_EVENT: | |
1338 | if (!sparse_keymap_report_event(acer_wmi_input_dev, | |
1339 | return_value.key_num, 1, true)) | |
1340 | printk(ACER_WARNING "Unknown key number - 0x%x\n", | |
1341 | return_value.key_num); | |
1342 | break; | |
1343 | default: | |
1344 | printk(ACER_WARNING "Unknown function number - %d - %d\n", | |
1345 | return_value.function, return_value.key_num); | |
1346 | break; | |
1347 | } | |
1348 | } | |
1349 | ||
59ccf2f3 FLCY |
1350 | static acpi_status |
1351 | wmid3_set_lm_mode(struct lm_input_params *params, | |
1352 | struct lm_return_value *return_value) | |
1353 | { | |
1354 | acpi_status status; | |
1355 | union acpi_object *obj; | |
1356 | ||
1357 | struct acpi_buffer input = { sizeof(struct lm_input_params), params }; | |
1358 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1359 | ||
1360 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output); | |
1361 | if (ACPI_FAILURE(status)) | |
1362 | return status; | |
1363 | ||
1364 | obj = output.pointer; | |
1365 | ||
1366 | if (!obj) | |
1367 | return AE_ERROR; | |
1368 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1369 | kfree(obj); | |
1370 | return AE_ERROR; | |
1371 | } | |
1372 | if (obj->buffer.length != 4) { | |
1373 | printk(ACER_WARNING "Unknown buffer length %d\n", | |
1374 | obj->buffer.length); | |
1375 | kfree(obj); | |
1376 | return AE_ERROR; | |
1377 | } | |
1378 | ||
1379 | *return_value = *((struct lm_return_value *)obj->buffer.pointer); | |
1380 | kfree(obj); | |
1381 | ||
1382 | return status; | |
1383 | } | |
1384 | ||
1385 | static int acer_wmi_enable_ec_raw(void) | |
1386 | { | |
1387 | struct lm_return_value return_value; | |
1388 | acpi_status status; | |
1389 | struct lm_input_params params = { | |
1390 | .function_num = 0x1, | |
1391 | .commun_devices = 0xFFFF, | |
1392 | .devices = 0xFFFF, | |
1393 | .lm_status = 0x00, /* Launch Manager Deactive */ | |
1394 | }; | |
1395 | ||
1396 | status = wmid3_set_lm_mode(¶ms, &return_value); | |
1397 | ||
1398 | if (return_value.error_code || return_value.ec_return_value) | |
1399 | printk(ACER_WARNING "Enabling EC raw mode failed: " | |
1400 | "0x%x - 0x%x\n", return_value.error_code, | |
1401 | return_value.ec_return_value); | |
1402 | else | |
1403 | printk(ACER_INFO "Enabled EC raw mode"); | |
1404 | ||
1405 | return status; | |
1406 | } | |
1407 | ||
1408 | static int acer_wmi_enable_lm(void) | |
1409 | { | |
1410 | struct lm_return_value return_value; | |
1411 | acpi_status status; | |
1412 | struct lm_input_params params = { | |
1413 | .function_num = 0x1, | |
1414 | .commun_devices = 0xFFFF, | |
1415 | .devices = 0xFFFF, | |
1416 | .lm_status = 0x01, /* Launch Manager Active */ | |
1417 | }; | |
1418 | ||
1419 | status = wmid3_set_lm_mode(¶ms, &return_value); | |
1420 | ||
1421 | if (return_value.error_code || return_value.ec_return_value) | |
1422 | printk(ACER_WARNING "Enabling Launch Manager failed: " | |
1423 | "0x%x - 0x%x\n", return_value.error_code, | |
1424 | return_value.ec_return_value); | |
1425 | ||
1426 | return status; | |
1427 | } | |
1428 | ||
3fdca87d LCY |
1429 | static int __init acer_wmi_input_setup(void) |
1430 | { | |
1431 | acpi_status status; | |
1432 | int err; | |
1433 | ||
1434 | acer_wmi_input_dev = input_allocate_device(); | |
1435 | if (!acer_wmi_input_dev) | |
1436 | return -ENOMEM; | |
1437 | ||
1438 | acer_wmi_input_dev->name = "Acer WMI hotkeys"; | |
1439 | acer_wmi_input_dev->phys = "wmi/input0"; | |
1440 | acer_wmi_input_dev->id.bustype = BUS_HOST; | |
1441 | ||
1442 | err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL); | |
1443 | if (err) | |
1444 | goto err_free_dev; | |
1445 | ||
1446 | status = wmi_install_notify_handler(ACERWMID_EVENT_GUID, | |
1447 | acer_wmi_notify, NULL); | |
1448 | if (ACPI_FAILURE(status)) { | |
1449 | err = -EIO; | |
1450 | goto err_free_keymap; | |
1451 | } | |
1452 | ||
1453 | err = input_register_device(acer_wmi_input_dev); | |
1454 | if (err) | |
1455 | goto err_uninstall_notifier; | |
1456 | ||
1457 | return 0; | |
1458 | ||
1459 | err_uninstall_notifier: | |
1460 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1461 | err_free_keymap: | |
1462 | sparse_keymap_free(acer_wmi_input_dev); | |
1463 | err_free_dev: | |
1464 | input_free_device(acer_wmi_input_dev); | |
1465 | return err; | |
1466 | } | |
1467 | ||
1468 | static void acer_wmi_input_destroy(void) | |
1469 | { | |
1470 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1471 | sparse_keymap_free(acer_wmi_input_dev); | |
1472 | input_unregister_device(acer_wmi_input_dev); | |
1473 | } | |
1474 | ||
81143522 CC |
1475 | /* |
1476 | * debugfs functions | |
1477 | */ | |
1478 | static u32 get_wmid_devices(void) | |
1479 | { | |
1480 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
1481 | union acpi_object *obj; | |
1482 | acpi_status status; | |
66904863 | 1483 | u32 devices = 0; |
81143522 CC |
1484 | |
1485 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
1486 | if (ACPI_FAILURE(status)) | |
1487 | return 0; | |
1488 | ||
1489 | obj = (union acpi_object *) out.pointer; | |
1490 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
1491 | obj->buffer.length == sizeof(u32)) { | |
66904863 | 1492 | devices = *((u32 *) obj->buffer.pointer); |
81143522 | 1493 | } |
66904863 AL |
1494 | |
1495 | kfree(out.pointer); | |
1496 | return devices; | |
81143522 CC |
1497 | } |
1498 | ||
745a5d21 CC |
1499 | /* |
1500 | * Platform device | |
1501 | */ | |
1502 | static int __devinit acer_platform_probe(struct platform_device *device) | |
1503 | { | |
1504 | int err; | |
1505 | ||
1506 | if (has_cap(ACER_CAP_MAILLED)) { | |
1507 | err = acer_led_init(&device->dev); | |
1508 | if (err) | |
1509 | goto error_mailled; | |
1510 | } | |
1511 | ||
1512 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1513 | err = acer_backlight_init(&device->dev); | |
1514 | if (err) | |
1515 | goto error_brightness; | |
1516 | } | |
1517 | ||
0606e1ab | 1518 | err = acer_rfkill_init(&device->dev); |
350e3290 AW |
1519 | if (err) |
1520 | goto error_rfkill; | |
0606e1ab CC |
1521 | |
1522 | return err; | |
745a5d21 | 1523 | |
350e3290 AW |
1524 | error_rfkill: |
1525 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1526 | acer_backlight_exit(); | |
745a5d21 | 1527 | error_brightness: |
350e3290 AW |
1528 | if (has_cap(ACER_CAP_MAILLED)) |
1529 | acer_led_exit(); | |
745a5d21 CC |
1530 | error_mailled: |
1531 | return err; | |
1532 | } | |
1533 | ||
1534 | static int acer_platform_remove(struct platform_device *device) | |
1535 | { | |
1536 | if (has_cap(ACER_CAP_MAILLED)) | |
1537 | acer_led_exit(); | |
1538 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1539 | acer_backlight_exit(); | |
0606e1ab CC |
1540 | |
1541 | acer_rfkill_exit(); | |
745a5d21 CC |
1542 | return 0; |
1543 | } | |
1544 | ||
1545 | static int acer_platform_suspend(struct platform_device *dev, | |
1546 | pm_message_t state) | |
1547 | { | |
1548 | u32 value; | |
1549 | struct acer_data *data = &interface->data; | |
1550 | ||
1551 | if (!data) | |
1552 | return -ENOMEM; | |
1553 | ||
745a5d21 CC |
1554 | if (has_cap(ACER_CAP_MAILLED)) { |
1555 | get_u32(&value, ACER_CAP_MAILLED); | |
1556 | data->mailled = value; | |
1557 | } | |
1558 | ||
1559 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1560 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1561 | data->brightness = value; | |
1562 | } | |
1563 | ||
1564 | return 0; | |
1565 | } | |
1566 | ||
1567 | static int acer_platform_resume(struct platform_device *device) | |
1568 | { | |
1569 | struct acer_data *data = &interface->data; | |
1570 | ||
1571 | if (!data) | |
1572 | return -ENOMEM; | |
1573 | ||
745a5d21 CC |
1574 | if (has_cap(ACER_CAP_MAILLED)) |
1575 | set_u32(data->mailled, ACER_CAP_MAILLED); | |
1576 | ||
1577 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1578 | set_u32(data->brightness, ACER_CAP_BRIGHTNESS); | |
1579 | ||
1580 | return 0; | |
1581 | } | |
1582 | ||
1583 | static struct platform_driver acer_platform_driver = { | |
1584 | .driver = { | |
1585 | .name = "acer-wmi", | |
1586 | .owner = THIS_MODULE, | |
1587 | }, | |
1588 | .probe = acer_platform_probe, | |
1589 | .remove = acer_platform_remove, | |
1590 | .suspend = acer_platform_suspend, | |
1591 | .resume = acer_platform_resume, | |
1592 | }; | |
1593 | ||
1594 | static struct platform_device *acer_platform_device; | |
1595 | ||
1596 | static int remove_sysfs(struct platform_device *device) | |
1597 | { | |
745a5d21 CC |
1598 | if (has_cap(ACER_CAP_THREEG)) |
1599 | device_remove_file(&device->dev, &dev_attr_threeg); | |
1600 | ||
1601 | device_remove_file(&device->dev, &dev_attr_interface); | |
1602 | ||
1603 | return 0; | |
1604 | } | |
1605 | ||
1606 | static int create_sysfs(void) | |
1607 | { | |
1608 | int retval = -ENOMEM; | |
1609 | ||
745a5d21 CC |
1610 | if (has_cap(ACER_CAP_THREEG)) { |
1611 | retval = device_create_file(&acer_platform_device->dev, | |
1612 | &dev_attr_threeg); | |
1613 | if (retval) | |
1614 | goto error_sysfs; | |
1615 | } | |
1616 | ||
1617 | retval = device_create_file(&acer_platform_device->dev, | |
1618 | &dev_attr_interface); | |
1619 | if (retval) | |
1620 | goto error_sysfs; | |
1621 | ||
1622 | return 0; | |
1623 | ||
1624 | error_sysfs: | |
1625 | remove_sysfs(acer_platform_device); | |
1626 | return retval; | |
1627 | } | |
1628 | ||
81143522 CC |
1629 | static void remove_debugfs(void) |
1630 | { | |
1631 | debugfs_remove(interface->debug.devices); | |
1632 | debugfs_remove(interface->debug.root); | |
1633 | } | |
1634 | ||
1635 | static int create_debugfs(void) | |
1636 | { | |
1637 | interface->debug.root = debugfs_create_dir("acer-wmi", NULL); | |
1638 | if (!interface->debug.root) { | |
1639 | printk(ACER_ERR "Failed to create debugfs directory"); | |
1640 | return -ENOMEM; | |
1641 | } | |
1642 | ||
1643 | interface->debug.devices = debugfs_create_u32("devices", S_IRUGO, | |
1644 | interface->debug.root, | |
1645 | &interface->debug.wmid_devices); | |
1646 | if (!interface->debug.devices) | |
1647 | goto error_debugfs; | |
1648 | ||
1649 | return 0; | |
1650 | ||
1651 | error_debugfs: | |
39dbbb45 | 1652 | remove_debugfs(); |
81143522 CC |
1653 | return -ENOMEM; |
1654 | } | |
1655 | ||
745a5d21 CC |
1656 | static int __init acer_wmi_init(void) |
1657 | { | |
1658 | int err; | |
1659 | ||
860f0c6b | 1660 | printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n"); |
745a5d21 | 1661 | |
a74dd5fd CC |
1662 | if (dmi_check_system(acer_blacklist)) { |
1663 | printk(ACER_INFO "Blacklisted hardware detected - " | |
1664 | "not loading\n"); | |
1665 | return -ENODEV; | |
1666 | } | |
1667 | ||
9991d9f2 CC |
1668 | find_quirks(); |
1669 | ||
745a5d21 CC |
1670 | /* |
1671 | * Detect which ACPI-WMI interface we're using. | |
1672 | */ | |
1673 | if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1674 | interface = &AMW0_V2_interface; | |
1675 | ||
1676 | if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1677 | interface = &wmid_interface; | |
1678 | ||
1679 | if (wmi_has_guid(WMID_GUID2) && interface) { | |
1680 | if (ACPI_FAILURE(WMID_set_capabilities())) { | |
8d039bc7 CC |
1681 | printk(ACER_ERR "Unable to detect available WMID " |
1682 | "devices\n"); | |
745a5d21 CC |
1683 | return -ENODEV; |
1684 | } | |
1685 | } else if (!wmi_has_guid(WMID_GUID2) && interface) { | |
8d039bc7 | 1686 | printk(ACER_ERR "No WMID device detection method found\n"); |
745a5d21 CC |
1687 | return -ENODEV; |
1688 | } | |
1689 | ||
1690 | if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { | |
1691 | interface = &AMW0_interface; | |
1692 | ||
1693 | if (ACPI_FAILURE(AMW0_set_capabilities())) { | |
8d039bc7 CC |
1694 | printk(ACER_ERR "Unable to detect available AMW0 " |
1695 | "devices\n"); | |
745a5d21 CC |
1696 | return -ENODEV; |
1697 | } | |
1698 | } | |
1699 | ||
9b963c40 CC |
1700 | if (wmi_has_guid(AMW0_GUID1)) |
1701 | AMW0_find_mailled(); | |
745a5d21 | 1702 | |
745a5d21 | 1703 | if (!interface) { |
af9902e1 | 1704 | printk(ACER_INFO "No or unsupported WMI interface, unable to " |
8d039bc7 | 1705 | "load\n"); |
745a5d21 CC |
1706 | return -ENODEV; |
1707 | } | |
1708 | ||
83097aca AV |
1709 | set_quirks(); |
1710 | ||
1ba869ec | 1711 | if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { |
febf2d95 TR |
1712 | interface->capability &= ~ACER_CAP_BRIGHTNESS; |
1713 | printk(ACER_INFO "Brightness must be controlled by " | |
1714 | "generic video driver\n"); | |
1715 | } | |
1716 | ||
59ccf2f3 FLCY |
1717 | if (wmi_has_guid(WMID_GUID3)) { |
1718 | if (ec_raw_mode) { | |
1719 | if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { | |
1720 | printk(ACER_ERR "Cannot enable EC raw mode\n"); | |
1721 | return -ENODEV; | |
1722 | } | |
1723 | } else if (ACPI_FAILURE(acer_wmi_enable_lm())) { | |
1724 | printk(ACER_ERR "Cannot enable Launch Manager mode\n"); | |
1725 | return -ENODEV; | |
1726 | } | |
1727 | } else if (ec_raw_mode) { | |
1728 | printk(ACER_INFO "No WMID EC raw mode enable method\n"); | |
1729 | } | |
1730 | ||
3fdca87d LCY |
1731 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) { |
1732 | err = acer_wmi_input_setup(); | |
1733 | if (err) | |
1734 | return err; | |
1735 | } | |
1736 | ||
1c79632b AL |
1737 | err = platform_driver_register(&acer_platform_driver); |
1738 | if (err) { | |
745a5d21 CC |
1739 | printk(ACER_ERR "Unable to register platform driver.\n"); |
1740 | goto error_platform_register; | |
1741 | } | |
1c79632b | 1742 | |
745a5d21 | 1743 | acer_platform_device = platform_device_alloc("acer-wmi", -1); |
1c79632b AL |
1744 | if (!acer_platform_device) { |
1745 | err = -ENOMEM; | |
1746 | goto error_device_alloc; | |
1747 | } | |
1748 | ||
1749 | err = platform_device_add(acer_platform_device); | |
1750 | if (err) | |
1751 | goto error_device_add; | |
745a5d21 CC |
1752 | |
1753 | err = create_sysfs(); | |
1754 | if (err) | |
1c79632b | 1755 | goto error_create_sys; |
745a5d21 | 1756 | |
81143522 CC |
1757 | if (wmi_has_guid(WMID_GUID2)) { |
1758 | interface->debug.wmid_devices = get_wmid_devices(); | |
1759 | err = create_debugfs(); | |
1760 | if (err) | |
1c79632b | 1761 | goto error_create_debugfs; |
81143522 CC |
1762 | } |
1763 | ||
745a5d21 CC |
1764 | /* Override any initial settings with values from the commandline */ |
1765 | acer_commandline_init(); | |
1766 | ||
1767 | return 0; | |
1768 | ||
1c79632b AL |
1769 | error_create_debugfs: |
1770 | remove_sysfs(acer_platform_device); | |
1771 | error_create_sys: | |
1772 | platform_device_del(acer_platform_device); | |
1773 | error_device_add: | |
1774 | platform_device_put(acer_platform_device); | |
1775 | error_device_alloc: | |
1776 | platform_driver_unregister(&acer_platform_driver); | |
745a5d21 | 1777 | error_platform_register: |
3fdca87d LCY |
1778 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
1779 | acer_wmi_input_destroy(); | |
1780 | ||
1c79632b | 1781 | return err; |
745a5d21 CC |
1782 | } |
1783 | ||
1784 | static void __exit acer_wmi_exit(void) | |
1785 | { | |
3fdca87d LCY |
1786 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
1787 | acer_wmi_input_destroy(); | |
1788 | ||
745a5d21 | 1789 | remove_sysfs(acer_platform_device); |
39dbbb45 | 1790 | remove_debugfs(); |
97ba0af0 | 1791 | platform_device_unregister(acer_platform_device); |
745a5d21 CC |
1792 | platform_driver_unregister(&acer_platform_driver); |
1793 | ||
1794 | printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n"); | |
1795 | return; | |
1796 | } | |
1797 | ||
1798 | module_init(acer_wmi_init); | |
1799 | module_exit(acer_wmi_exit); |