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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 | ||
cae15702 LCY |
25 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
26 | ||
745a5d21 CC |
27 | #include <linux/kernel.h> |
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/types.h> | |
31 | #include <linux/dmi.h> | |
f2b585b4 | 32 | #include <linux/fb.h> |
745a5d21 CC |
33 | #include <linux/backlight.h> |
34 | #include <linux/leds.h> | |
35 | #include <linux/platform_device.h> | |
36 | #include <linux/acpi.h> | |
37 | #include <linux/i8042.h> | |
0606e1ab CC |
38 | #include <linux/rfkill.h> |
39 | #include <linux/workqueue.h> | |
81143522 | 40 | #include <linux/debugfs.h> |
5a0e3ad6 | 41 | #include <linux/slab.h> |
3fdca87d LCY |
42 | #include <linux/input.h> |
43 | #include <linux/input/sparse-keymap.h> | |
745a5d21 CC |
44 | |
45 | #include <acpi/acpi_drivers.h> | |
86924de2 | 46 | #include <acpi/video.h> |
745a5d21 CC |
47 | |
48 | MODULE_AUTHOR("Carlos Corbacho"); | |
49 | MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); | |
50 | MODULE_LICENSE("GPL"); | |
51 | ||
745a5d21 CC |
52 | /* |
53 | * Magic Number | |
54 | * Meaning is unknown - this number is required for writing to ACPI for AMW0 | |
55 | * (it's also used in acerhk when directly accessing the BIOS) | |
56 | */ | |
57 | #define ACER_AMW0_WRITE 0x9610 | |
58 | ||
59 | /* | |
60 | * Bit masks for the AMW0 interface | |
61 | */ | |
62 | #define ACER_AMW0_WIRELESS_MASK 0x35 | |
63 | #define ACER_AMW0_BLUETOOTH_MASK 0x34 | |
64 | #define ACER_AMW0_MAILLED_MASK 0x31 | |
65 | ||
66 | /* | |
67 | * Method IDs for WMID interface | |
68 | */ | |
69 | #define ACER_WMID_GET_WIRELESS_METHODID 1 | |
70 | #define ACER_WMID_GET_BLUETOOTH_METHODID 2 | |
71 | #define ACER_WMID_GET_BRIGHTNESS_METHODID 3 | |
72 | #define ACER_WMID_SET_WIRELESS_METHODID 4 | |
73 | #define ACER_WMID_SET_BLUETOOTH_METHODID 5 | |
74 | #define ACER_WMID_SET_BRIGHTNESS_METHODID 6 | |
75 | #define ACER_WMID_GET_THREEG_METHODID 10 | |
76 | #define ACER_WMID_SET_THREEG_METHODID 11 | |
77 | ||
78 | /* | |
79 | * Acer ACPI method GUIDs | |
80 | */ | |
81 | #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" | |
5753dd53 | 82 | #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" |
bbb70607 | 83 | #define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3" |
298f19b2 | 84 | #define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A" |
b3c9092b | 85 | #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" |
745a5d21 | 86 | |
3fdca87d LCY |
87 | /* |
88 | * Acer ACPI event GUIDs | |
89 | */ | |
90 | #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026" | |
91 | ||
745a5d21 | 92 | MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); |
08a0799d | 93 | MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"); |
3fdca87d LCY |
94 | MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); |
95 | ||
96 | enum acer_wmi_event_ids { | |
97 | WMID_HOTKEY_EVENT = 0x1, | |
98 | }; | |
99 | ||
100 | static const struct key_entry acer_wmi_keymap[] = { | |
101 | {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ | |
8ae68de1 | 102 | {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */ |
1a04d8ff | 103 | {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */ |
3fdca87d LCY |
104 | {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */ |
105 | {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */ | |
106 | {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */ | |
107 | {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */ | |
108 | {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */ | |
67e1d34c | 109 | {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */ |
8ae68de1 MF |
110 | {KE_IGNORE, 0x41, {KEY_MUTE} }, |
111 | {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} }, | |
ca1469f5 | 112 | {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} }, |
8ae68de1 | 113 | {KE_IGNORE, 0x43, {KEY_NEXTSONG} }, |
ca1469f5 | 114 | {KE_IGNORE, 0x4e, {KEY_NEXTSONG} }, |
8ae68de1 | 115 | {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} }, |
ca1469f5 | 116 | {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} }, |
8ae68de1 | 117 | {KE_IGNORE, 0x45, {KEY_STOP} }, |
ca1469f5 | 118 | {KE_IGNORE, 0x50, {KEY_STOP} }, |
8ae68de1 MF |
119 | {KE_IGNORE, 0x48, {KEY_VOLUMEUP} }, |
120 | {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} }, | |
ca1469f5 | 121 | {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} }, |
8ae68de1 MF |
122 | {KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} }, |
123 | {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} }, | |
124 | {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} }, | |
3fdca87d | 125 | {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ |
8ae68de1 | 126 | {KE_IGNORE, 0x81, {KEY_SLEEP} }, |
8941178e | 127 | {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad On/Off */ |
8ae68de1 | 128 | {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} }, |
3fdca87d LCY |
129 | {KE_END, 0} |
130 | }; | |
131 | ||
132 | static struct input_dev *acer_wmi_input_dev; | |
133 | ||
134 | struct event_return_value { | |
135 | u8 function; | |
136 | u8 key_num; | |
137 | u16 device_state; | |
138 | u32 reserved; | |
139 | } __attribute__((packed)); | |
745a5d21 | 140 | |
b3c9092b LCY |
141 | /* |
142 | * GUID3 Get Device Status device flags | |
143 | */ | |
6c3df88f | 144 | #define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */ |
b3c9092b | 145 | #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */ |
6d88ff0f | 146 | #define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */ |
6c3df88f | 147 | #define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */ |
b3c9092b | 148 | |
59ccf2f3 FLCY |
149 | struct lm_input_params { |
150 | u8 function_num; /* Function Number */ | |
151 | u16 commun_devices; /* Communication type devices default status */ | |
152 | u16 devices; /* Other type devices default status */ | |
153 | u8 lm_status; /* Launch Manager Status */ | |
154 | u16 reserved; | |
155 | } __attribute__((packed)); | |
156 | ||
157 | struct lm_return_value { | |
158 | u8 error_code; /* Error Code */ | |
159 | u8 ec_return_value; /* EC Return Value */ | |
160 | u16 reserved; | |
161 | } __attribute__((packed)); | |
162 | ||
996d23ba LCY |
163 | struct wmid3_gds_set_input_param { /* Set Device Status input parameter */ |
164 | u8 function_num; /* Function Number */ | |
165 | u8 hotkey_number; /* Hotkey Number */ | |
166 | u16 devices; /* Set Device */ | |
167 | u8 volume_value; /* Volume Value */ | |
168 | } __attribute__((packed)); | |
169 | ||
170 | struct wmid3_gds_get_input_param { /* Get Device Status input parameter */ | |
b3c9092b LCY |
171 | u8 function_num; /* Function Number */ |
172 | u8 hotkey_number; /* Hotkey Number */ | |
173 | u16 devices; /* Get Device */ | |
174 | } __attribute__((packed)); | |
175 | ||
176 | struct wmid3_gds_return_value { /* Get Device Status return value*/ | |
177 | u8 error_code; /* Error Code */ | |
178 | u8 ec_return_value; /* EC Return Value */ | |
179 | u16 devices; /* Current Device Status */ | |
180 | u32 reserved; | |
181 | } __attribute__((packed)); | |
182 | ||
6c3df88f LCY |
183 | struct hotkey_function_type_aa { |
184 | u8 type; | |
185 | u8 length; | |
186 | u16 handle; | |
187 | u16 commun_func_bitmap; | |
34b6cfab LCY |
188 | u16 application_func_bitmap; |
189 | u16 media_func_bitmap; | |
190 | u16 display_func_bitmap; | |
191 | u16 others_func_bitmap; | |
192 | u8 commun_fn_key_number; | |
6c3df88f LCY |
193 | } __attribute__((packed)); |
194 | ||
745a5d21 CC |
195 | /* |
196 | * Interface capability flags | |
197 | */ | |
198 | #define ACER_CAP_MAILLED (1<<0) | |
199 | #define ACER_CAP_WIRELESS (1<<1) | |
200 | #define ACER_CAP_BLUETOOTH (1<<2) | |
201 | #define ACER_CAP_BRIGHTNESS (1<<3) | |
202 | #define ACER_CAP_THREEG (1<<4) | |
203 | #define ACER_CAP_ANY (0xFFFFFFFF) | |
204 | ||
205 | /* | |
206 | * Interface type flags | |
207 | */ | |
208 | enum interface_flags { | |
209 | ACER_AMW0, | |
210 | ACER_AMW0_V2, | |
211 | ACER_WMID, | |
72e71de1 | 212 | ACER_WMID_v2, |
745a5d21 CC |
213 | }; |
214 | ||
215 | #define ACER_DEFAULT_WIRELESS 0 | |
216 | #define ACER_DEFAULT_BLUETOOTH 0 | |
217 | #define ACER_DEFAULT_MAILLED 0 | |
218 | #define ACER_DEFAULT_THREEG 0 | |
219 | ||
220 | static int max_brightness = 0xF; | |
221 | ||
745a5d21 CC |
222 | static int mailled = -1; |
223 | static int brightness = -1; | |
224 | static int threeg = -1; | |
225 | static int force_series; | |
59ccf2f3 | 226 | static bool ec_raw_mode; |
6c3df88f | 227 | static bool has_type_aa; |
1d1fc8a7 | 228 | static u16 commun_func_bitmap; |
34b6cfab | 229 | static u8 commun_fn_key_number; |
745a5d21 CC |
230 | |
231 | module_param(mailled, int, 0444); | |
745a5d21 CC |
232 | module_param(brightness, int, 0444); |
233 | module_param(threeg, int, 0444); | |
234 | module_param(force_series, int, 0444); | |
59ccf2f3 | 235 | module_param(ec_raw_mode, bool, 0444); |
745a5d21 CC |
236 | MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); |
237 | MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); | |
238 | MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); | |
239 | MODULE_PARM_DESC(force_series, "Force a different laptop series"); | |
59ccf2f3 | 240 | MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode"); |
745a5d21 CC |
241 | |
242 | struct acer_data { | |
243 | int mailled; | |
745a5d21 CC |
244 | int threeg; |
245 | int brightness; | |
246 | }; | |
247 | ||
81143522 CC |
248 | struct acer_debug { |
249 | struct dentry *root; | |
250 | struct dentry *devices; | |
251 | u32 wmid_devices; | |
252 | }; | |
253 | ||
0606e1ab CC |
254 | static struct rfkill *wireless_rfkill; |
255 | static struct rfkill *bluetooth_rfkill; | |
b3c9092b | 256 | static struct rfkill *threeg_rfkill; |
8215af01 | 257 | static bool rfkill_inited; |
0606e1ab | 258 | |
745a5d21 CC |
259 | /* Each low-level interface must define at least some of the following */ |
260 | struct wmi_interface { | |
261 | /* The WMI device type */ | |
262 | u32 type; | |
263 | ||
264 | /* The capabilities this interface provides */ | |
265 | u32 capability; | |
266 | ||
267 | /* Private data for the current interface */ | |
268 | struct acer_data data; | |
81143522 CC |
269 | |
270 | /* debugfs entries associated with this interface */ | |
271 | struct acer_debug debug; | |
745a5d21 CC |
272 | }; |
273 | ||
274 | /* The static interface pointer, points to the currently detected interface */ | |
275 | static struct wmi_interface *interface; | |
276 | ||
277 | /* | |
278 | * Embedded Controller quirks | |
279 | * Some laptops require us to directly access the EC to either enable or query | |
280 | * features that are not available through WMI. | |
281 | */ | |
282 | ||
283 | struct quirk_entry { | |
284 | u8 wireless; | |
285 | u8 mailled; | |
9991d9f2 | 286 | s8 brightness; |
745a5d21 CC |
287 | u8 bluetooth; |
288 | }; | |
289 | ||
290 | static struct quirk_entry *quirks; | |
291 | ||
292 | static void set_quirks(void) | |
293 | { | |
83097aca AV |
294 | if (!interface) |
295 | return; | |
296 | ||
745a5d21 CC |
297 | if (quirks->mailled) |
298 | interface->capability |= ACER_CAP_MAILLED; | |
299 | ||
300 | if (quirks->brightness) | |
301 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
302 | } | |
303 | ||
304 | static int dmi_matched(const struct dmi_system_id *dmi) | |
305 | { | |
306 | quirks = dmi->driver_data; | |
d53bf0f3 | 307 | return 1; |
745a5d21 CC |
308 | } |
309 | ||
310 | static struct quirk_entry quirk_unknown = { | |
311 | }; | |
312 | ||
9991d9f2 CC |
313 | static struct quirk_entry quirk_acer_aspire_1520 = { |
314 | .brightness = -1, | |
315 | }; | |
316 | ||
745a5d21 CC |
317 | static struct quirk_entry quirk_acer_travelmate_2490 = { |
318 | .mailled = 1, | |
319 | }; | |
320 | ||
321 | /* This AMW0 laptop has no bluetooth */ | |
322 | static struct quirk_entry quirk_medion_md_98300 = { | |
323 | .wireless = 1, | |
324 | }; | |
325 | ||
6f061ab5 CC |
326 | static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { |
327 | .wireless = 2, | |
328 | }; | |
329 | ||
15b956a0 LCY |
330 | static struct quirk_entry quirk_lenovo_ideapad_s205 = { |
331 | .wireless = 3, | |
332 | }; | |
333 | ||
a74dd5fd CC |
334 | /* The Aspire One has a dummy ACPI-WMI interface - disable it */ |
335 | static struct dmi_system_id __devinitdata acer_blacklist[] = { | |
336 | { | |
337 | .ident = "Acer Aspire One (SSD)", | |
338 | .matches = { | |
339 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
340 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"), | |
341 | }, | |
342 | }, | |
343 | { | |
344 | .ident = "Acer Aspire One (HDD)", | |
345 | .matches = { | |
346 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
347 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), | |
348 | }, | |
349 | }, | |
350 | {} | |
351 | }; | |
352 | ||
745a5d21 | 353 | static struct dmi_system_id acer_quirks[] = { |
9991d9f2 CC |
354 | { |
355 | .callback = dmi_matched, | |
356 | .ident = "Acer Aspire 1360", | |
357 | .matches = { | |
358 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
359 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), | |
360 | }, | |
361 | .driver_data = &quirk_acer_aspire_1520, | |
362 | }, | |
363 | { | |
364 | .callback = dmi_matched, | |
365 | .ident = "Acer Aspire 1520", | |
366 | .matches = { | |
367 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
368 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), | |
369 | }, | |
370 | .driver_data = &quirk_acer_aspire_1520, | |
371 | }, | |
745a5d21 CC |
372 | { |
373 | .callback = dmi_matched, | |
374 | .ident = "Acer Aspire 3100", | |
375 | .matches = { | |
376 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
377 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), | |
378 | }, | |
379 | .driver_data = &quirk_acer_travelmate_2490, | |
380 | }, | |
ed9cfe98 CC |
381 | { |
382 | .callback = dmi_matched, | |
383 | .ident = "Acer Aspire 3610", | |
384 | .matches = { | |
385 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
386 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), | |
387 | }, | |
388 | .driver_data = &quirk_acer_travelmate_2490, | |
389 | }, | |
745a5d21 CC |
390 | { |
391 | .callback = dmi_matched, | |
392 | .ident = "Acer Aspire 5100", | |
393 | .matches = { | |
394 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
395 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), | |
396 | }, | |
397 | .driver_data = &quirk_acer_travelmate_2490, | |
398 | }, | |
ed9cfe98 CC |
399 | { |
400 | .callback = dmi_matched, | |
401 | .ident = "Acer Aspire 5610", | |
402 | .matches = { | |
403 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
404 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), | |
405 | }, | |
406 | .driver_data = &quirk_acer_travelmate_2490, | |
407 | }, | |
745a5d21 CC |
408 | { |
409 | .callback = dmi_matched, | |
410 | .ident = "Acer Aspire 5630", | |
411 | .matches = { | |
412 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
413 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), | |
414 | }, | |
415 | .driver_data = &quirk_acer_travelmate_2490, | |
416 | }, | |
417 | { | |
418 | .callback = dmi_matched, | |
419 | .ident = "Acer Aspire 5650", | |
420 | .matches = { | |
421 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
422 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), | |
423 | }, | |
424 | .driver_data = &quirk_acer_travelmate_2490, | |
425 | }, | |
426 | { | |
427 | .callback = dmi_matched, | |
428 | .ident = "Acer Aspire 5680", | |
429 | .matches = { | |
430 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
431 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), | |
432 | }, | |
433 | .driver_data = &quirk_acer_travelmate_2490, | |
434 | }, | |
435 | { | |
436 | .callback = dmi_matched, | |
437 | .ident = "Acer Aspire 9110", | |
438 | .matches = { | |
439 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
440 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), | |
441 | }, | |
442 | .driver_data = &quirk_acer_travelmate_2490, | |
443 | }, | |
444 | { | |
445 | .callback = dmi_matched, | |
446 | .ident = "Acer TravelMate 2490", | |
447 | .matches = { | |
448 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
449 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), | |
450 | }, | |
451 | .driver_data = &quirk_acer_travelmate_2490, | |
452 | }, | |
262ee35b CC |
453 | { |
454 | .callback = dmi_matched, | |
455 | .ident = "Acer TravelMate 4200", | |
456 | .matches = { | |
457 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
458 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), | |
459 | }, | |
460 | .driver_data = &quirk_acer_travelmate_2490, | |
461 | }, | |
6f061ab5 CC |
462 | { |
463 | .callback = dmi_matched, | |
464 | .ident = "Fujitsu Siemens Amilo Li 1718", | |
465 | .matches = { | |
466 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
467 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), | |
468 | }, | |
469 | .driver_data = &quirk_fujitsu_amilo_li_1718, | |
470 | }, | |
745a5d21 CC |
471 | { |
472 | .callback = dmi_matched, | |
473 | .ident = "Medion MD 98300", | |
474 | .matches = { | |
475 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
476 | DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), | |
477 | }, | |
478 | .driver_data = &quirk_medion_md_98300, | |
479 | }, | |
15b956a0 LCY |
480 | { |
481 | .callback = dmi_matched, | |
482 | .ident = "Lenovo Ideapad S205", | |
483 | .matches = { | |
484 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
485 | DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"), | |
486 | }, | |
487 | .driver_data = &quirk_lenovo_ideapad_s205, | |
488 | }, | |
c08f2086 LCY |
489 | { |
490 | .callback = dmi_matched, | |
491 | .ident = "Lenovo Ideapad S205 (Brazos)", | |
492 | .matches = { | |
493 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
494 | DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"), | |
495 | }, | |
496 | .driver_data = &quirk_lenovo_ideapad_s205, | |
497 | }, | |
be3128b1 SF |
498 | { |
499 | .callback = dmi_matched, | |
500 | .ident = "Lenovo 3000 N200", | |
501 | .matches = { | |
502 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
503 | DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"), | |
504 | }, | |
505 | .driver_data = &quirk_fujitsu_amilo_li_1718, | |
506 | }, | |
745a5d21 CC |
507 | {} |
508 | }; | |
509 | ||
86924de2 LCY |
510 | static int video_set_backlight_video_vendor(const struct dmi_system_id *d) |
511 | { | |
512 | interface->capability &= ~ACER_CAP_BRIGHTNESS; | |
513 | pr_info("Brightness must be controlled by generic video driver\n"); | |
514 | return 0; | |
515 | } | |
516 | ||
517 | static const struct dmi_system_id video_vendor_dmi_table[] = { | |
518 | { | |
519 | .callback = video_set_backlight_video_vendor, | |
520 | .ident = "Acer TravelMate 4750", | |
521 | .matches = { | |
522 | DMI_MATCH(DMI_BOARD_VENDOR, "Acer"), | |
523 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"), | |
524 | }, | |
525 | }, | |
526 | {} | |
527 | }; | |
528 | ||
745a5d21 CC |
529 | /* Find which quirks are needed for a particular vendor/ model pair */ |
530 | static void find_quirks(void) | |
531 | { | |
532 | if (!force_series) { | |
533 | dmi_check_system(acer_quirks); | |
534 | } else if (force_series == 2490) { | |
535 | quirks = &quirk_acer_travelmate_2490; | |
536 | } | |
537 | ||
538 | if (quirks == NULL) | |
539 | quirks = &quirk_unknown; | |
540 | ||
541 | set_quirks(); | |
542 | } | |
543 | ||
544 | /* | |
545 | * General interface convenience methods | |
546 | */ | |
547 | ||
548 | static bool has_cap(u32 cap) | |
549 | { | |
550 | if ((interface->capability & cap) != 0) | |
551 | return 1; | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
556 | /* | |
557 | * AMW0 (V1) interface | |
558 | */ | |
559 | struct wmab_args { | |
560 | u32 eax; | |
561 | u32 ebx; | |
562 | u32 ecx; | |
563 | u32 edx; | |
564 | }; | |
565 | ||
566 | struct wmab_ret { | |
567 | u32 eax; | |
568 | u32 ebx; | |
569 | u32 ecx; | |
570 | u32 edx; | |
571 | u32 eex; | |
572 | }; | |
573 | ||
574 | static acpi_status wmab_execute(struct wmab_args *regbuf, | |
575 | struct acpi_buffer *result) | |
576 | { | |
577 | struct acpi_buffer input; | |
578 | acpi_status status; | |
579 | input.length = sizeof(struct wmab_args); | |
580 | input.pointer = (u8 *)regbuf; | |
581 | ||
582 | status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result); | |
583 | ||
584 | return status; | |
585 | } | |
586 | ||
38db157d | 587 | static acpi_status AMW0_get_u32(u32 *value, u32 cap) |
745a5d21 CC |
588 | { |
589 | int err; | |
590 | u8 result; | |
591 | ||
592 | switch (cap) { | |
593 | case ACER_CAP_MAILLED: | |
594 | switch (quirks->mailled) { | |
595 | default: | |
596 | err = ec_read(0xA, &result); | |
597 | if (err) | |
598 | return AE_ERROR; | |
599 | *value = (result >> 7) & 0x1; | |
600 | return AE_OK; | |
601 | } | |
602 | break; | |
603 | case ACER_CAP_WIRELESS: | |
604 | switch (quirks->wireless) { | |
605 | case 1: | |
606 | err = ec_read(0x7B, &result); | |
607 | if (err) | |
608 | return AE_ERROR; | |
609 | *value = result & 0x1; | |
610 | return AE_OK; | |
6f061ab5 CC |
611 | case 2: |
612 | err = ec_read(0x71, &result); | |
613 | if (err) | |
614 | return AE_ERROR; | |
615 | *value = result & 0x1; | |
616 | return AE_OK; | |
15b956a0 LCY |
617 | case 3: |
618 | err = ec_read(0x78, &result); | |
619 | if (err) | |
620 | return AE_ERROR; | |
621 | *value = result & 0x1; | |
622 | return AE_OK; | |
745a5d21 CC |
623 | default: |
624 | err = ec_read(0xA, &result); | |
625 | if (err) | |
626 | return AE_ERROR; | |
627 | *value = (result >> 2) & 0x1; | |
628 | return AE_OK; | |
629 | } | |
630 | break; | |
631 | case ACER_CAP_BLUETOOTH: | |
632 | switch (quirks->bluetooth) { | |
633 | default: | |
634 | err = ec_read(0xA, &result); | |
635 | if (err) | |
636 | return AE_ERROR; | |
637 | *value = (result >> 4) & 0x1; | |
638 | return AE_OK; | |
639 | } | |
640 | break; | |
641 | case ACER_CAP_BRIGHTNESS: | |
642 | switch (quirks->brightness) { | |
643 | default: | |
644 | err = ec_read(0x83, &result); | |
645 | if (err) | |
646 | return AE_ERROR; | |
647 | *value = result; | |
648 | return AE_OK; | |
649 | } | |
650 | break; | |
651 | default: | |
08237974 | 652 | return AE_ERROR; |
745a5d21 CC |
653 | } |
654 | return AE_OK; | |
655 | } | |
656 | ||
38db157d | 657 | static acpi_status AMW0_set_u32(u32 value, u32 cap) |
745a5d21 CC |
658 | { |
659 | struct wmab_args args; | |
660 | ||
661 | args.eax = ACER_AMW0_WRITE; | |
662 | args.ebx = value ? (1<<8) : 0; | |
663 | args.ecx = args.edx = 0; | |
664 | ||
665 | switch (cap) { | |
666 | case ACER_CAP_MAILLED: | |
667 | if (value > 1) | |
668 | return AE_BAD_PARAMETER; | |
669 | args.ebx |= ACER_AMW0_MAILLED_MASK; | |
670 | break; | |
671 | case ACER_CAP_WIRELESS: | |
672 | if (value > 1) | |
673 | return AE_BAD_PARAMETER; | |
674 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
675 | break; | |
676 | case ACER_CAP_BLUETOOTH: | |
677 | if (value > 1) | |
678 | return AE_BAD_PARAMETER; | |
679 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
680 | break; | |
681 | case ACER_CAP_BRIGHTNESS: | |
682 | if (value > max_brightness) | |
683 | return AE_BAD_PARAMETER; | |
684 | switch (quirks->brightness) { | |
745a5d21 | 685 | default: |
4609d029 CC |
686 | return ec_write(0x83, value); |
687 | break; | |
745a5d21 CC |
688 | } |
689 | default: | |
08237974 | 690 | return AE_ERROR; |
745a5d21 CC |
691 | } |
692 | ||
693 | /* Actually do the set */ | |
694 | return wmab_execute(&args, NULL); | |
695 | } | |
696 | ||
697 | static acpi_status AMW0_find_mailled(void) | |
698 | { | |
699 | struct wmab_args args; | |
700 | struct wmab_ret ret; | |
701 | acpi_status status = AE_OK; | |
702 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; | |
703 | union acpi_object *obj; | |
704 | ||
705 | args.eax = 0x86; | |
706 | args.ebx = args.ecx = args.edx = 0; | |
707 | ||
708 | status = wmab_execute(&args, &out); | |
709 | if (ACPI_FAILURE(status)) | |
710 | return status; | |
711 | ||
712 | obj = (union acpi_object *) out.pointer; | |
713 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
714 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
715 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
716 | } else { | |
7677fbdf | 717 | kfree(out.pointer); |
745a5d21 CC |
718 | return AE_ERROR; |
719 | } | |
720 | ||
721 | if (ret.eex & 0x1) | |
722 | interface->capability |= ACER_CAP_MAILLED; | |
723 | ||
724 | kfree(out.pointer); | |
725 | ||
726 | return AE_OK; | |
727 | } | |
728 | ||
461e7437 IP |
729 | static int AMW0_set_cap_acpi_check_device_found; |
730 | ||
731 | static acpi_status AMW0_set_cap_acpi_check_device_cb(acpi_handle handle, | |
732 | u32 level, void *context, void **retval) | |
733 | { | |
734 | AMW0_set_cap_acpi_check_device_found = 1; | |
735 | return AE_OK; | |
736 | } | |
737 | ||
738 | static const struct acpi_device_id norfkill_ids[] = { | |
739 | { "VPC2004", 0}, | |
740 | { "IBM0068", 0}, | |
741 | { "LEN0068", 0}, | |
5719b819 | 742 | { "SNY5001", 0}, /* sony-laptop in charge */ |
461e7437 IP |
743 | { "", 0}, |
744 | }; | |
745 | ||
746 | static int AMW0_set_cap_acpi_check_device(void) | |
747 | { | |
748 | const struct acpi_device_id *id; | |
749 | ||
750 | for (id = norfkill_ids; id->id[0]; id++) | |
751 | acpi_get_devices(id->id, AMW0_set_cap_acpi_check_device_cb, | |
752 | NULL, NULL); | |
753 | return AMW0_set_cap_acpi_check_device_found; | |
754 | } | |
755 | ||
745a5d21 CC |
756 | static acpi_status AMW0_set_capabilities(void) |
757 | { | |
758 | struct wmab_args args; | |
759 | struct wmab_ret ret; | |
7677fbdf | 760 | acpi_status status; |
745a5d21 CC |
761 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; |
762 | union acpi_object *obj; | |
763 | ||
5753dd53 CC |
764 | /* |
765 | * On laptops with this strange GUID (non Acer), normal probing doesn't | |
766 | * work. | |
767 | */ | |
768 | if (wmi_has_guid(AMW0_GUID2)) { | |
461e7437 IP |
769 | if ((quirks != &quirk_unknown) || |
770 | !AMW0_set_cap_acpi_check_device()) | |
771 | interface->capability |= ACER_CAP_WIRELESS; | |
5753dd53 CC |
772 | return AE_OK; |
773 | } | |
774 | ||
745a5d21 CC |
775 | args.eax = ACER_AMW0_WRITE; |
776 | args.ecx = args.edx = 0; | |
777 | ||
778 | args.ebx = 0xa2 << 8; | |
779 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
780 | ||
781 | status = wmab_execute(&args, &out); | |
782 | if (ACPI_FAILURE(status)) | |
783 | return status; | |
784 | ||
7677fbdf | 785 | obj = out.pointer; |
745a5d21 CC |
786 | if (obj && obj->type == ACPI_TYPE_BUFFER && |
787 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
788 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
789 | } else { | |
7677fbdf AL |
790 | status = AE_ERROR; |
791 | goto out; | |
745a5d21 CC |
792 | } |
793 | ||
794 | if (ret.eax & 0x1) | |
795 | interface->capability |= ACER_CAP_WIRELESS; | |
796 | ||
797 | args.ebx = 2 << 8; | |
798 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
799 | ||
7677fbdf AL |
800 | /* |
801 | * It's ok to use existing buffer for next wmab_execute call. | |
802 | * But we need to kfree(out.pointer) if next wmab_execute fail. | |
803 | */ | |
745a5d21 CC |
804 | status = wmab_execute(&args, &out); |
805 | if (ACPI_FAILURE(status)) | |
7677fbdf | 806 | goto out; |
745a5d21 CC |
807 | |
808 | obj = (union acpi_object *) out.pointer; | |
809 | if (obj && obj->type == ACPI_TYPE_BUFFER | |
810 | && obj->buffer.length == sizeof(struct wmab_ret)) { | |
811 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
812 | } else { | |
7677fbdf AL |
813 | status = AE_ERROR; |
814 | goto out; | |
745a5d21 CC |
815 | } |
816 | ||
817 | if (ret.eax & 0x1) | |
818 | interface->capability |= ACER_CAP_BLUETOOTH; | |
819 | ||
745a5d21 CC |
820 | /* |
821 | * This appears to be safe to enable, since all Wistron based laptops | |
822 | * appear to use the same EC register for brightness, even if they | |
823 | * differ for wireless, etc | |
824 | */ | |
9991d9f2 CC |
825 | if (quirks->brightness >= 0) |
826 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
745a5d21 | 827 | |
7677fbdf AL |
828 | status = AE_OK; |
829 | out: | |
830 | kfree(out.pointer); | |
831 | return status; | |
745a5d21 CC |
832 | } |
833 | ||
834 | static struct wmi_interface AMW0_interface = { | |
835 | .type = ACER_AMW0, | |
836 | }; | |
837 | ||
838 | static struct wmi_interface AMW0_V2_interface = { | |
839 | .type = ACER_AMW0_V2, | |
840 | }; | |
841 | ||
842 | /* | |
843 | * New interface (The WMID interface) | |
844 | */ | |
845 | static acpi_status | |
846 | WMI_execute_u32(u32 method_id, u32 in, u32 *out) | |
847 | { | |
848 | struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; | |
849 | struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; | |
850 | union acpi_object *obj; | |
851 | u32 tmp; | |
852 | acpi_status status; | |
853 | ||
854 | status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result); | |
855 | ||
856 | if (ACPI_FAILURE(status)) | |
857 | return status; | |
858 | ||
859 | obj = (union acpi_object *) result.pointer; | |
860 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
ab6a9316 LCY |
861 | (obj->buffer.length == sizeof(u32) || |
862 | obj->buffer.length == sizeof(u64))) { | |
745a5d21 | 863 | tmp = *((u32 *) obj->buffer.pointer); |
987dfbaa LCY |
864 | } else if (obj->type == ACPI_TYPE_INTEGER) { |
865 | tmp = (u32) obj->integer.value; | |
745a5d21 CC |
866 | } else { |
867 | tmp = 0; | |
868 | } | |
869 | ||
870 | if (out) | |
871 | *out = tmp; | |
872 | ||
873 | kfree(result.pointer); | |
874 | ||
875 | return status; | |
876 | } | |
877 | ||
38db157d | 878 | static acpi_status WMID_get_u32(u32 *value, u32 cap) |
745a5d21 CC |
879 | { |
880 | acpi_status status; | |
881 | u8 tmp; | |
882 | u32 result, method_id = 0; | |
883 | ||
884 | switch (cap) { | |
885 | case ACER_CAP_WIRELESS: | |
886 | method_id = ACER_WMID_GET_WIRELESS_METHODID; | |
887 | break; | |
888 | case ACER_CAP_BLUETOOTH: | |
889 | method_id = ACER_WMID_GET_BLUETOOTH_METHODID; | |
890 | break; | |
891 | case ACER_CAP_BRIGHTNESS: | |
892 | method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; | |
893 | break; | |
894 | case ACER_CAP_THREEG: | |
895 | method_id = ACER_WMID_GET_THREEG_METHODID; | |
896 | break; | |
897 | case ACER_CAP_MAILLED: | |
898 | if (quirks->mailled == 1) { | |
899 | ec_read(0x9f, &tmp); | |
900 | *value = tmp & 0x1; | |
901 | return 0; | |
902 | } | |
903 | default: | |
08237974 | 904 | return AE_ERROR; |
745a5d21 CC |
905 | } |
906 | status = WMI_execute_u32(method_id, 0, &result); | |
907 | ||
908 | if (ACPI_SUCCESS(status)) | |
909 | *value = (u8)result; | |
910 | ||
911 | return status; | |
912 | } | |
913 | ||
38db157d | 914 | static acpi_status WMID_set_u32(u32 value, u32 cap) |
745a5d21 CC |
915 | { |
916 | u32 method_id = 0; | |
917 | char param; | |
918 | ||
919 | switch (cap) { | |
920 | case ACER_CAP_BRIGHTNESS: | |
921 | if (value > max_brightness) | |
922 | return AE_BAD_PARAMETER; | |
923 | method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; | |
924 | break; | |
925 | case ACER_CAP_WIRELESS: | |
926 | if (value > 1) | |
927 | return AE_BAD_PARAMETER; | |
928 | method_id = ACER_WMID_SET_WIRELESS_METHODID; | |
929 | break; | |
930 | case ACER_CAP_BLUETOOTH: | |
931 | if (value > 1) | |
932 | return AE_BAD_PARAMETER; | |
933 | method_id = ACER_WMID_SET_BLUETOOTH_METHODID; | |
934 | break; | |
935 | case ACER_CAP_THREEG: | |
936 | if (value > 1) | |
937 | return AE_BAD_PARAMETER; | |
938 | method_id = ACER_WMID_SET_THREEG_METHODID; | |
939 | break; | |
940 | case ACER_CAP_MAILLED: | |
941 | if (value > 1) | |
942 | return AE_BAD_PARAMETER; | |
943 | if (quirks->mailled == 1) { | |
944 | param = value ? 0x92 : 0x93; | |
181d683d | 945 | i8042_lock_chip(); |
745a5d21 | 946 | i8042_command(¶m, 0x1059); |
181d683d | 947 | i8042_unlock_chip(); |
745a5d21 CC |
948 | return 0; |
949 | } | |
950 | break; | |
951 | default: | |
08237974 | 952 | return AE_ERROR; |
745a5d21 CC |
953 | } |
954 | return WMI_execute_u32(method_id, (u32)value, NULL); | |
955 | } | |
956 | ||
72e71de1 LCY |
957 | static acpi_status wmid3_get_device_status(u32 *value, u16 device) |
958 | { | |
959 | struct wmid3_gds_return_value return_value; | |
960 | acpi_status status; | |
961 | union acpi_object *obj; | |
996d23ba | 962 | struct wmid3_gds_get_input_param params = { |
72e71de1 | 963 | .function_num = 0x1, |
34b6cfab | 964 | .hotkey_number = commun_fn_key_number, |
72e71de1 LCY |
965 | .devices = device, |
966 | }; | |
967 | struct acpi_buffer input = { | |
996d23ba | 968 | sizeof(struct wmid3_gds_get_input_param), |
72e71de1 LCY |
969 | ¶ms |
970 | }; | |
971 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
972 | ||
973 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); | |
974 | if (ACPI_FAILURE(status)) | |
975 | return status; | |
976 | ||
977 | obj = output.pointer; | |
978 | ||
979 | if (!obj) | |
980 | return AE_ERROR; | |
981 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
982 | kfree(obj); | |
983 | return AE_ERROR; | |
984 | } | |
985 | if (obj->buffer.length != 8) { | |
986 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); | |
987 | kfree(obj); | |
988 | return AE_ERROR; | |
989 | } | |
990 | ||
991 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
992 | kfree(obj); | |
993 | ||
994 | if (return_value.error_code || return_value.ec_return_value) | |
995 | pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n", | |
996 | device, | |
997 | return_value.error_code, | |
998 | return_value.ec_return_value); | |
999 | else | |
1000 | *value = !!(return_value.devices & device); | |
1001 | ||
1002 | return status; | |
1003 | } | |
1004 | ||
1005 | static acpi_status wmid_v2_get_u32(u32 *value, u32 cap) | |
1006 | { | |
1007 | u16 device; | |
1008 | ||
1009 | switch (cap) { | |
1010 | case ACER_CAP_WIRELESS: | |
1011 | device = ACER_WMID3_GDS_WIRELESS; | |
1012 | break; | |
1013 | case ACER_CAP_BLUETOOTH: | |
1014 | device = ACER_WMID3_GDS_BLUETOOTH; | |
1015 | break; | |
1016 | case ACER_CAP_THREEG: | |
1017 | device = ACER_WMID3_GDS_THREEG; | |
1018 | break; | |
1019 | default: | |
1020 | return AE_ERROR; | |
1021 | } | |
1022 | return wmid3_get_device_status(value, device); | |
1023 | } | |
1024 | ||
1025 | static acpi_status wmid3_set_device_status(u32 value, u16 device) | |
1026 | { | |
1027 | struct wmid3_gds_return_value return_value; | |
1028 | acpi_status status; | |
1029 | union acpi_object *obj; | |
1030 | u16 devices; | |
996d23ba | 1031 | struct wmid3_gds_get_input_param get_params = { |
72e71de1 | 1032 | .function_num = 0x1, |
34b6cfab | 1033 | .hotkey_number = commun_fn_key_number, |
1d1fc8a7 | 1034 | .devices = commun_func_bitmap, |
72e71de1 | 1035 | }; |
996d23ba LCY |
1036 | struct acpi_buffer get_input = { |
1037 | sizeof(struct wmid3_gds_get_input_param), | |
1038 | &get_params | |
1039 | }; | |
1040 | struct wmid3_gds_set_input_param set_params = { | |
1041 | .function_num = 0x2, | |
1042 | .hotkey_number = commun_fn_key_number, | |
1043 | .devices = commun_func_bitmap, | |
1044 | }; | |
1045 | struct acpi_buffer set_input = { | |
1046 | sizeof(struct wmid3_gds_set_input_param), | |
1047 | &set_params | |
72e71de1 LCY |
1048 | }; |
1049 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1050 | struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1051 | ||
996d23ba | 1052 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output); |
72e71de1 LCY |
1053 | if (ACPI_FAILURE(status)) |
1054 | return status; | |
1055 | ||
1056 | obj = output.pointer; | |
1057 | ||
1058 | if (!obj) | |
1059 | return AE_ERROR; | |
1060 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1061 | kfree(obj); | |
1062 | return AE_ERROR; | |
1063 | } | |
1064 | if (obj->buffer.length != 8) { | |
6e71f38b | 1065 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
72e71de1 LCY |
1066 | kfree(obj); |
1067 | return AE_ERROR; | |
1068 | } | |
1069 | ||
1070 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1071 | kfree(obj); | |
1072 | ||
1073 | if (return_value.error_code || return_value.ec_return_value) { | |
6e71f38b JP |
1074 | pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n", |
1075 | return_value.error_code, | |
72e71de1 LCY |
1076 | return_value.ec_return_value); |
1077 | return status; | |
1078 | } | |
1079 | ||
1080 | devices = return_value.devices; | |
996d23ba | 1081 | set_params.devices = (value) ? (devices | device) : (devices & ~device); |
72e71de1 | 1082 | |
996d23ba | 1083 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2); |
72e71de1 LCY |
1084 | if (ACPI_FAILURE(status)) |
1085 | return status; | |
1086 | ||
1087 | obj = output2.pointer; | |
1088 | ||
1089 | if (!obj) | |
1090 | return AE_ERROR; | |
1091 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1092 | kfree(obj); | |
1093 | return AE_ERROR; | |
1094 | } | |
1095 | if (obj->buffer.length != 4) { | |
6e71f38b | 1096 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
72e71de1 LCY |
1097 | kfree(obj); |
1098 | return AE_ERROR; | |
1099 | } | |
1100 | ||
1101 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1102 | kfree(obj); | |
1103 | ||
1104 | if (return_value.error_code || return_value.ec_return_value) | |
6e71f38b JP |
1105 | pr_warn("Set Device Status failed: 0x%x - 0x%x\n", |
1106 | return_value.error_code, | |
72e71de1 LCY |
1107 | return_value.ec_return_value); |
1108 | ||
1109 | return status; | |
1110 | } | |
1111 | ||
1112 | static acpi_status wmid_v2_set_u32(u32 value, u32 cap) | |
1113 | { | |
1114 | u16 device; | |
1115 | ||
1116 | switch (cap) { | |
1117 | case ACER_CAP_WIRELESS: | |
1118 | device = ACER_WMID3_GDS_WIRELESS; | |
1119 | break; | |
1120 | case ACER_CAP_BLUETOOTH: | |
1121 | device = ACER_WMID3_GDS_BLUETOOTH; | |
1122 | break; | |
1123 | case ACER_CAP_THREEG: | |
1124 | device = ACER_WMID3_GDS_THREEG; | |
1125 | break; | |
1126 | default: | |
1127 | return AE_ERROR; | |
1128 | } | |
1129 | return wmid3_set_device_status(value, device); | |
1130 | } | |
1131 | ||
6c3df88f LCY |
1132 | static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy) |
1133 | { | |
1134 | struct hotkey_function_type_aa *type_aa; | |
1135 | ||
1136 | /* We are looking for OEM-specific Type AAh */ | |
1137 | if (header->type != 0xAA) | |
1138 | return; | |
1139 | ||
1140 | has_type_aa = true; | |
1141 | type_aa = (struct hotkey_function_type_aa *) header; | |
1142 | ||
cae15702 | 1143 | pr_info("Function bitmap for Communication Button: 0x%x\n", |
6c3df88f | 1144 | type_aa->commun_func_bitmap); |
1d1fc8a7 | 1145 | commun_func_bitmap = type_aa->commun_func_bitmap; |
6c3df88f LCY |
1146 | |
1147 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS) | |
1148 | interface->capability |= ACER_CAP_WIRELESS; | |
1149 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG) | |
1150 | interface->capability |= ACER_CAP_THREEG; | |
1151 | if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH) | |
1152 | interface->capability |= ACER_CAP_BLUETOOTH; | |
34b6cfab LCY |
1153 | |
1154 | commun_fn_key_number = type_aa->commun_fn_key_number; | |
6c3df88f LCY |
1155 | } |
1156 | ||
745a5d21 CC |
1157 | static acpi_status WMID_set_capabilities(void) |
1158 | { | |
1159 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
1160 | union acpi_object *obj; | |
1161 | acpi_status status; | |
1162 | u32 devices; | |
1163 | ||
1164 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
1165 | if (ACPI_FAILURE(status)) | |
1166 | return status; | |
1167 | ||
1168 | obj = (union acpi_object *) out.pointer; | |
1169 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
ab6a9316 LCY |
1170 | (obj->buffer.length == sizeof(u32) || |
1171 | obj->buffer.length == sizeof(u64))) { | |
745a5d21 | 1172 | devices = *((u32 *) obj->buffer.pointer); |
987dfbaa LCY |
1173 | } else if (obj->type == ACPI_TYPE_INTEGER) { |
1174 | devices = (u32) obj->integer.value; | |
745a5d21 | 1175 | } else { |
66904863 | 1176 | kfree(out.pointer); |
745a5d21 CC |
1177 | return AE_ERROR; |
1178 | } | |
1179 | ||
1fbc01a7 LCY |
1180 | pr_info("Function bitmap for Communication Device: 0x%x\n", devices); |
1181 | if (devices & 0x07) | |
1182 | interface->capability |= ACER_CAP_WIRELESS; | |
72e71de1 LCY |
1183 | if (devices & 0x40) |
1184 | interface->capability |= ACER_CAP_THREEG; | |
1185 | if (devices & 0x10) | |
1186 | interface->capability |= ACER_CAP_BLUETOOTH; | |
745a5d21 | 1187 | |
745a5d21 CC |
1188 | if (!(devices & 0x20)) |
1189 | max_brightness = 0x9; | |
1190 | ||
66904863 | 1191 | kfree(out.pointer); |
745a5d21 CC |
1192 | return status; |
1193 | } | |
1194 | ||
1195 | static struct wmi_interface wmid_interface = { | |
1196 | .type = ACER_WMID, | |
1197 | }; | |
1198 | ||
72e71de1 LCY |
1199 | static struct wmi_interface wmid_v2_interface = { |
1200 | .type = ACER_WMID_v2, | |
1201 | }; | |
1202 | ||
745a5d21 CC |
1203 | /* |
1204 | * Generic Device (interface-independent) | |
1205 | */ | |
1206 | ||
1207 | static acpi_status get_u32(u32 *value, u32 cap) | |
1208 | { | |
08237974 | 1209 | acpi_status status = AE_ERROR; |
745a5d21 CC |
1210 | |
1211 | switch (interface->type) { | |
1212 | case ACER_AMW0: | |
38db157d | 1213 | status = AMW0_get_u32(value, cap); |
745a5d21 CC |
1214 | break; |
1215 | case ACER_AMW0_V2: | |
1216 | if (cap == ACER_CAP_MAILLED) { | |
38db157d | 1217 | status = AMW0_get_u32(value, cap); |
745a5d21 CC |
1218 | break; |
1219 | } | |
1220 | case ACER_WMID: | |
38db157d | 1221 | status = WMID_get_u32(value, cap); |
745a5d21 | 1222 | break; |
72e71de1 LCY |
1223 | case ACER_WMID_v2: |
1224 | if (cap & (ACER_CAP_WIRELESS | | |
1225 | ACER_CAP_BLUETOOTH | | |
1226 | ACER_CAP_THREEG)) | |
1227 | status = wmid_v2_get_u32(value, cap); | |
1228 | else if (wmi_has_guid(WMID_GUID2)) | |
38db157d | 1229 | status = WMID_get_u32(value, cap); |
72e71de1 | 1230 | break; |
745a5d21 CC |
1231 | } |
1232 | ||
1233 | return status; | |
1234 | } | |
1235 | ||
1236 | static acpi_status set_u32(u32 value, u32 cap) | |
1237 | { | |
5c742b45 CC |
1238 | acpi_status status; |
1239 | ||
745a5d21 CC |
1240 | if (interface->capability & cap) { |
1241 | switch (interface->type) { | |
1242 | case ACER_AMW0: | |
38db157d | 1243 | return AMW0_set_u32(value, cap); |
745a5d21 | 1244 | case ACER_AMW0_V2: |
5c742b45 | 1245 | if (cap == ACER_CAP_MAILLED) |
38db157d | 1246 | return AMW0_set_u32(value, cap); |
5c742b45 CC |
1247 | |
1248 | /* | |
1249 | * On some models, some WMID methods don't toggle | |
1250 | * properly. For those cases, we want to run the AMW0 | |
1251 | * method afterwards to be certain we've really toggled | |
1252 | * the device state. | |
1253 | */ | |
1254 | if (cap == ACER_CAP_WIRELESS || | |
1255 | cap == ACER_CAP_BLUETOOTH) { | |
38db157d | 1256 | status = WMID_set_u32(value, cap); |
5c742b45 CC |
1257 | if (ACPI_FAILURE(status)) |
1258 | return status; | |
1259 | ||
38db157d | 1260 | return AMW0_set_u32(value, cap); |
5c742b45 | 1261 | } |
745a5d21 | 1262 | case ACER_WMID: |
38db157d | 1263 | return WMID_set_u32(value, cap); |
72e71de1 LCY |
1264 | case ACER_WMID_v2: |
1265 | if (cap & (ACER_CAP_WIRELESS | | |
1266 | ACER_CAP_BLUETOOTH | | |
1267 | ACER_CAP_THREEG)) | |
1268 | return wmid_v2_set_u32(value, cap); | |
1269 | else if (wmi_has_guid(WMID_GUID2)) | |
38db157d | 1270 | return WMID_set_u32(value, cap); |
745a5d21 CC |
1271 | default: |
1272 | return AE_BAD_PARAMETER; | |
1273 | } | |
1274 | } | |
1275 | return AE_BAD_PARAMETER; | |
1276 | } | |
1277 | ||
1278 | static void __init acer_commandline_init(void) | |
1279 | { | |
1280 | /* | |
1281 | * These will all fail silently if the value given is invalid, or the | |
1282 | * capability isn't available on the given interface | |
1283 | */ | |
c2647b5e LCY |
1284 | if (mailled >= 0) |
1285 | set_u32(mailled, ACER_CAP_MAILLED); | |
1286 | if (!has_type_aa && threeg >= 0) | |
6c3df88f | 1287 | set_u32(threeg, ACER_CAP_THREEG); |
c2647b5e LCY |
1288 | if (brightness >= 0) |
1289 | set_u32(brightness, ACER_CAP_BRIGHTNESS); | |
745a5d21 CC |
1290 | } |
1291 | ||
1292 | /* | |
1293 | * LED device (Mail LED only, no other LEDs known yet) | |
1294 | */ | |
1295 | static void mail_led_set(struct led_classdev *led_cdev, | |
1296 | enum led_brightness value) | |
1297 | { | |
1298 | set_u32(value, ACER_CAP_MAILLED); | |
1299 | } | |
1300 | ||
1301 | static struct led_classdev mail_led = { | |
343c0042 | 1302 | .name = "acer-wmi::mail", |
745a5d21 CC |
1303 | .brightness_set = mail_led_set, |
1304 | }; | |
1305 | ||
7560e385 | 1306 | static int __devinit acer_led_init(struct device *dev) |
745a5d21 CC |
1307 | { |
1308 | return led_classdev_register(dev, &mail_led); | |
1309 | } | |
1310 | ||
1311 | static void acer_led_exit(void) | |
1312 | { | |
9a0b74fd | 1313 | set_u32(LED_OFF, ACER_CAP_MAILLED); |
745a5d21 CC |
1314 | led_classdev_unregister(&mail_led); |
1315 | } | |
1316 | ||
1317 | /* | |
1318 | * Backlight device | |
1319 | */ | |
1320 | static struct backlight_device *acer_backlight_device; | |
1321 | ||
1322 | static int read_brightness(struct backlight_device *bd) | |
1323 | { | |
1324 | u32 value; | |
1325 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1326 | return value; | |
1327 | } | |
1328 | ||
1329 | static int update_bl_status(struct backlight_device *bd) | |
1330 | { | |
f2b585b4 CC |
1331 | int intensity = bd->props.brightness; |
1332 | ||
1333 | if (bd->props.power != FB_BLANK_UNBLANK) | |
1334 | intensity = 0; | |
1335 | if (bd->props.fb_blank != FB_BLANK_UNBLANK) | |
1336 | intensity = 0; | |
1337 | ||
1338 | set_u32(intensity, ACER_CAP_BRIGHTNESS); | |
1339 | ||
745a5d21 CC |
1340 | return 0; |
1341 | } | |
1342 | ||
acc2472e | 1343 | static const struct backlight_ops acer_bl_ops = { |
745a5d21 CC |
1344 | .get_brightness = read_brightness, |
1345 | .update_status = update_bl_status, | |
1346 | }; | |
1347 | ||
7560e385 | 1348 | static int __devinit acer_backlight_init(struct device *dev) |
745a5d21 | 1349 | { |
a19a6ee6 | 1350 | struct backlight_properties props; |
745a5d21 CC |
1351 | struct backlight_device *bd; |
1352 | ||
a19a6ee6 | 1353 | memset(&props, 0, sizeof(struct backlight_properties)); |
bb7ca747 | 1354 | props.type = BACKLIGHT_PLATFORM; |
a19a6ee6 MG |
1355 | props.max_brightness = max_brightness; |
1356 | bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, | |
1357 | &props); | |
745a5d21 | 1358 | if (IS_ERR(bd)) { |
cae15702 | 1359 | pr_err("Could not register Acer backlight device\n"); |
745a5d21 CC |
1360 | acer_backlight_device = NULL; |
1361 | return PTR_ERR(bd); | |
1362 | } | |
1363 | ||
1364 | acer_backlight_device = bd; | |
1365 | ||
f2b585b4 | 1366 | bd->props.power = FB_BLANK_UNBLANK; |
6f6ef82c | 1367 | bd->props.brightness = read_brightness(bd); |
745a5d21 CC |
1368 | backlight_update_status(bd); |
1369 | return 0; | |
1370 | } | |
1371 | ||
7560e385 | 1372 | static void acer_backlight_exit(void) |
745a5d21 CC |
1373 | { |
1374 | backlight_device_unregister(acer_backlight_device); | |
1375 | } | |
1376 | ||
0606e1ab CC |
1377 | /* |
1378 | * Rfkill devices | |
1379 | */ | |
0606e1ab CC |
1380 | static void acer_rfkill_update(struct work_struct *ignored); |
1381 | static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); | |
1382 | static void acer_rfkill_update(struct work_struct *ignored) | |
1383 | { | |
1384 | u32 state; | |
1385 | acpi_status status; | |
1386 | ||
1709adab LCY |
1387 | if (has_cap(ACER_CAP_WIRELESS)) { |
1388 | status = get_u32(&state, ACER_CAP_WIRELESS); | |
1389 | if (ACPI_SUCCESS(status)) { | |
1390 | if (quirks->wireless == 3) | |
1391 | rfkill_set_hw_state(wireless_rfkill, !state); | |
1392 | else | |
1393 | rfkill_set_sw_state(wireless_rfkill, !state); | |
15b956a0 LCY |
1394 | } |
1395 | } | |
0606e1ab CC |
1396 | |
1397 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1398 | status = get_u32(&state, ACER_CAP_BLUETOOTH); | |
1399 | if (ACPI_SUCCESS(status)) | |
a878417c | 1400 | rfkill_set_sw_state(bluetooth_rfkill, !state); |
0606e1ab CC |
1401 | } |
1402 | ||
b3c9092b | 1403 | if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) { |
72e71de1 | 1404 | status = get_u32(&state, ACER_WMID3_GDS_THREEG); |
b3c9092b LCY |
1405 | if (ACPI_SUCCESS(status)) |
1406 | rfkill_set_sw_state(threeg_rfkill, !state); | |
1407 | } | |
1408 | ||
ae3a1b46 | 1409 | schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); |
0606e1ab CC |
1410 | } |
1411 | ||
19d337df | 1412 | static int acer_rfkill_set(void *data, bool blocked) |
0606e1ab CC |
1413 | { |
1414 | acpi_status status; | |
19d337df | 1415 | u32 cap = (unsigned long)data; |
8215af01 LCY |
1416 | |
1417 | if (rfkill_inited) { | |
72e71de1 | 1418 | status = set_u32(!blocked, cap); |
8215af01 LCY |
1419 | if (ACPI_FAILURE(status)) |
1420 | return -ENODEV; | |
1421 | } | |
1422 | ||
0606e1ab CC |
1423 | return 0; |
1424 | } | |
1425 | ||
19d337df JB |
1426 | static const struct rfkill_ops acer_rfkill_ops = { |
1427 | .set_block = acer_rfkill_set, | |
1428 | }; | |
1429 | ||
1430 | static struct rfkill *acer_rfkill_register(struct device *dev, | |
1431 | enum rfkill_type type, | |
1432 | char *name, u32 cap) | |
0606e1ab CC |
1433 | { |
1434 | int err; | |
0606e1ab | 1435 | struct rfkill *rfkill_dev; |
466449cf LCY |
1436 | u32 state; |
1437 | acpi_status status; | |
0606e1ab | 1438 | |
19d337df JB |
1439 | rfkill_dev = rfkill_alloc(name, dev, type, |
1440 | &acer_rfkill_ops, | |
1441 | (void *)(unsigned long)cap); | |
0606e1ab CC |
1442 | if (!rfkill_dev) |
1443 | return ERR_PTR(-ENOMEM); | |
0606e1ab | 1444 | |
72e71de1 | 1445 | status = get_u32(&state, cap); |
466449cf | 1446 | |
0606e1ab CC |
1447 | err = rfkill_register(rfkill_dev); |
1448 | if (err) { | |
19d337df | 1449 | rfkill_destroy(rfkill_dev); |
0606e1ab CC |
1450 | return ERR_PTR(err); |
1451 | } | |
8215af01 LCY |
1452 | |
1453 | if (ACPI_SUCCESS(status)) | |
1454 | rfkill_set_sw_state(rfkill_dev, !state); | |
1455 | ||
0606e1ab CC |
1456 | return rfkill_dev; |
1457 | } | |
1458 | ||
1459 | static int acer_rfkill_init(struct device *dev) | |
1460 | { | |
1709adab LCY |
1461 | int err; |
1462 | ||
1463 | if (has_cap(ACER_CAP_WIRELESS)) { | |
1464 | wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, | |
1465 | "acer-wireless", ACER_CAP_WIRELESS); | |
1466 | if (IS_ERR(wireless_rfkill)) { | |
1467 | err = PTR_ERR(wireless_rfkill); | |
1468 | goto error_wireless; | |
1469 | } | |
1470 | } | |
0606e1ab CC |
1471 | |
1472 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1473 | bluetooth_rfkill = acer_rfkill_register(dev, | |
1474 | RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", | |
1475 | ACER_CAP_BLUETOOTH); | |
1476 | if (IS_ERR(bluetooth_rfkill)) { | |
1709adab LCY |
1477 | err = PTR_ERR(bluetooth_rfkill); |
1478 | goto error_bluetooth; | |
0606e1ab CC |
1479 | } |
1480 | } | |
1481 | ||
b3c9092b LCY |
1482 | if (has_cap(ACER_CAP_THREEG)) { |
1483 | threeg_rfkill = acer_rfkill_register(dev, | |
1484 | RFKILL_TYPE_WWAN, "acer-threeg", | |
1485 | ACER_CAP_THREEG); | |
1486 | if (IS_ERR(threeg_rfkill)) { | |
1709adab LCY |
1487 | err = PTR_ERR(threeg_rfkill); |
1488 | goto error_threeg; | |
b3c9092b LCY |
1489 | } |
1490 | } | |
1491 | ||
8215af01 LCY |
1492 | rfkill_inited = true; |
1493 | ||
1709adab LCY |
1494 | if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) && |
1495 | has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) | |
70a9b904 LCY |
1496 | schedule_delayed_work(&acer_rfkill_work, |
1497 | round_jiffies_relative(HZ)); | |
0606e1ab CC |
1498 | |
1499 | return 0; | |
1709adab LCY |
1500 | |
1501 | error_threeg: | |
1502 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1503 | rfkill_unregister(bluetooth_rfkill); | |
1504 | rfkill_destroy(bluetooth_rfkill); | |
1505 | } | |
1506 | error_bluetooth: | |
1507 | if (has_cap(ACER_CAP_WIRELESS)) { | |
1508 | rfkill_unregister(wireless_rfkill); | |
1509 | rfkill_destroy(wireless_rfkill); | |
1510 | } | |
1511 | error_wireless: | |
1512 | return err; | |
0606e1ab CC |
1513 | } |
1514 | ||
1515 | static void acer_rfkill_exit(void) | |
1516 | { | |
1709adab LCY |
1517 | if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) && |
1518 | has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) | |
70a9b904 | 1519 | cancel_delayed_work_sync(&acer_rfkill_work); |
19d337df | 1520 | |
1709adab LCY |
1521 | if (has_cap(ACER_CAP_WIRELESS)) { |
1522 | rfkill_unregister(wireless_rfkill); | |
1523 | rfkill_destroy(wireless_rfkill); | |
1524 | } | |
19d337df | 1525 | |
0606e1ab | 1526 | if (has_cap(ACER_CAP_BLUETOOTH)) { |
0606e1ab | 1527 | rfkill_unregister(bluetooth_rfkill); |
19d337df | 1528 | rfkill_destroy(bluetooth_rfkill); |
0606e1ab | 1529 | } |
b3c9092b LCY |
1530 | |
1531 | if (has_cap(ACER_CAP_THREEG)) { | |
1532 | rfkill_unregister(threeg_rfkill); | |
1533 | rfkill_destroy(threeg_rfkill); | |
1534 | } | |
0606e1ab CC |
1535 | return; |
1536 | } | |
1537 | ||
745a5d21 | 1538 | /* |
7d9a06de | 1539 | * sysfs interface |
745a5d21 | 1540 | */ |
7d9a06de CC |
1541 | static ssize_t show_bool_threeg(struct device *dev, |
1542 | struct device_attribute *attr, char *buf) | |
1543 | { | |
745a5d21 | 1544 | u32 result; \ |
b3c9092b | 1545 | acpi_status status; |
7b8aca65 | 1546 | |
6e71f38b JP |
1547 | pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n", |
1548 | current->comm); | |
72e71de1 | 1549 | status = get_u32(&result, ACER_CAP_THREEG); |
7d9a06de CC |
1550 | if (ACPI_SUCCESS(status)) |
1551 | return sprintf(buf, "%u\n", result); | |
1552 | return sprintf(buf, "Read error\n"); | |
1553 | } | |
1554 | ||
1555 | static ssize_t set_bool_threeg(struct device *dev, | |
1556 | struct device_attribute *attr, const char *buf, size_t count) | |
1557 | { | |
1558 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
1559 | acpi_status status = set_u32(tmp, ACER_CAP_THREEG); | |
6e71f38b JP |
1560 | pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n", |
1561 | current->comm); | |
7b8aca65 LCY |
1562 | if (ACPI_FAILURE(status)) |
1563 | return -EINVAL; | |
7d9a06de CC |
1564 | return count; |
1565 | } | |
b80b168f | 1566 | static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg, |
7d9a06de | 1567 | set_bool_threeg); |
745a5d21 | 1568 | |
745a5d21 CC |
1569 | static ssize_t show_interface(struct device *dev, struct device_attribute *attr, |
1570 | char *buf) | |
1571 | { | |
6e71f38b JP |
1572 | pr_info("This interface sysfs will be removed in 2012 - used by: %s\n", |
1573 | current->comm); | |
745a5d21 CC |
1574 | switch (interface->type) { |
1575 | case ACER_AMW0: | |
1576 | return sprintf(buf, "AMW0\n"); | |
1577 | case ACER_AMW0_V2: | |
1578 | return sprintf(buf, "AMW0 v2\n"); | |
1579 | case ACER_WMID: | |
1580 | return sprintf(buf, "WMID\n"); | |
72e71de1 LCY |
1581 | case ACER_WMID_v2: |
1582 | return sprintf(buf, "WMID v2\n"); | |
745a5d21 CC |
1583 | default: |
1584 | return sprintf(buf, "Error!\n"); | |
1585 | } | |
1586 | } | |
1587 | ||
370525df | 1588 | static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL); |
745a5d21 | 1589 | |
3fdca87d LCY |
1590 | static void acer_wmi_notify(u32 value, void *context) |
1591 | { | |
1592 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1593 | union acpi_object *obj; | |
1594 | struct event_return_value return_value; | |
1595 | acpi_status status; | |
92530664 SF |
1596 | u16 device_state; |
1597 | const struct key_entry *key; | |
3fdca87d LCY |
1598 | |
1599 | status = wmi_get_event_data(value, &response); | |
1600 | if (status != AE_OK) { | |
249c720d | 1601 | pr_warn("bad event status 0x%x\n", status); |
3fdca87d LCY |
1602 | return; |
1603 | } | |
1604 | ||
1605 | obj = (union acpi_object *)response.pointer; | |
1606 | ||
1607 | if (!obj) | |
1608 | return; | |
1609 | if (obj->type != ACPI_TYPE_BUFFER) { | |
249c720d | 1610 | pr_warn("Unknown response received %d\n", obj->type); |
3fdca87d LCY |
1611 | kfree(obj); |
1612 | return; | |
1613 | } | |
1614 | if (obj->buffer.length != 8) { | |
249c720d | 1615 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
3fdca87d LCY |
1616 | kfree(obj); |
1617 | return; | |
1618 | } | |
1619 | ||
1620 | return_value = *((struct event_return_value *)obj->buffer.pointer); | |
1621 | kfree(obj); | |
1622 | ||
1623 | switch (return_value.function) { | |
1624 | case WMID_HOTKEY_EVENT: | |
92530664 SF |
1625 | device_state = return_value.device_state; |
1626 | pr_debug("device state: 0x%x\n", device_state); | |
1627 | ||
1628 | key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev, | |
1629 | return_value.key_num); | |
1630 | if (!key) { | |
249c720d | 1631 | pr_warn("Unknown key number - 0x%x\n", |
3fdca87d | 1632 | return_value.key_num); |
92530664 SF |
1633 | } else { |
1634 | switch (key->keycode) { | |
1635 | case KEY_WLAN: | |
1636 | case KEY_BLUETOOTH: | |
1637 | if (has_cap(ACER_CAP_WIRELESS)) | |
1638 | rfkill_set_sw_state(wireless_rfkill, | |
1639 | !(device_state & ACER_WMID3_GDS_WIRELESS)); | |
1640 | if (has_cap(ACER_CAP_THREEG)) | |
1641 | rfkill_set_sw_state(threeg_rfkill, | |
1642 | !(device_state & ACER_WMID3_GDS_THREEG)); | |
1643 | if (has_cap(ACER_CAP_BLUETOOTH)) | |
1644 | rfkill_set_sw_state(bluetooth_rfkill, | |
1645 | !(device_state & ACER_WMID3_GDS_BLUETOOTH)); | |
1646 | break; | |
1647 | } | |
1648 | sparse_keymap_report_entry(acer_wmi_input_dev, key, | |
1649 | 1, true); | |
1650 | } | |
3fdca87d LCY |
1651 | break; |
1652 | default: | |
249c720d | 1653 | pr_warn("Unknown function number - %d - %d\n", |
3fdca87d LCY |
1654 | return_value.function, return_value.key_num); |
1655 | break; | |
1656 | } | |
1657 | } | |
1658 | ||
59ccf2f3 FLCY |
1659 | static acpi_status |
1660 | wmid3_set_lm_mode(struct lm_input_params *params, | |
1661 | struct lm_return_value *return_value) | |
1662 | { | |
1663 | acpi_status status; | |
1664 | union acpi_object *obj; | |
1665 | ||
1666 | struct acpi_buffer input = { sizeof(struct lm_input_params), params }; | |
1667 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1668 | ||
1669 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output); | |
1670 | if (ACPI_FAILURE(status)) | |
1671 | return status; | |
1672 | ||
1673 | obj = output.pointer; | |
1674 | ||
1675 | if (!obj) | |
1676 | return AE_ERROR; | |
1677 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1678 | kfree(obj); | |
1679 | return AE_ERROR; | |
1680 | } | |
1681 | if (obj->buffer.length != 4) { | |
249c720d | 1682 | pr_warn("Unknown buffer length %d\n", obj->buffer.length); |
59ccf2f3 FLCY |
1683 | kfree(obj); |
1684 | return AE_ERROR; | |
1685 | } | |
1686 | ||
1687 | *return_value = *((struct lm_return_value *)obj->buffer.pointer); | |
1688 | kfree(obj); | |
1689 | ||
1690 | return status; | |
1691 | } | |
1692 | ||
1693 | static int acer_wmi_enable_ec_raw(void) | |
1694 | { | |
1695 | struct lm_return_value return_value; | |
1696 | acpi_status status; | |
1697 | struct lm_input_params params = { | |
1698 | .function_num = 0x1, | |
1699 | .commun_devices = 0xFFFF, | |
1700 | .devices = 0xFFFF, | |
1701 | .lm_status = 0x00, /* Launch Manager Deactive */ | |
1702 | }; | |
1703 | ||
1704 | status = wmid3_set_lm_mode(¶ms, &return_value); | |
1705 | ||
1706 | if (return_value.error_code || return_value.ec_return_value) | |
249c720d JP |
1707 | pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n", |
1708 | return_value.error_code, | |
1709 | return_value.ec_return_value); | |
59ccf2f3 | 1710 | else |
249c720d | 1711 | pr_info("Enabled EC raw mode\n"); |
59ccf2f3 FLCY |
1712 | |
1713 | return status; | |
1714 | } | |
1715 | ||
1716 | static int acer_wmi_enable_lm(void) | |
1717 | { | |
1718 | struct lm_return_value return_value; | |
1719 | acpi_status status; | |
1720 | struct lm_input_params params = { | |
1721 | .function_num = 0x1, | |
1722 | .commun_devices = 0xFFFF, | |
1723 | .devices = 0xFFFF, | |
1724 | .lm_status = 0x01, /* Launch Manager Active */ | |
1725 | }; | |
1726 | ||
1727 | status = wmid3_set_lm_mode(¶ms, &return_value); | |
1728 | ||
1729 | if (return_value.error_code || return_value.ec_return_value) | |
249c720d JP |
1730 | pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n", |
1731 | return_value.error_code, | |
1732 | return_value.ec_return_value); | |
59ccf2f3 FLCY |
1733 | |
1734 | return status; | |
1735 | } | |
1736 | ||
3fdca87d LCY |
1737 | static int __init acer_wmi_input_setup(void) |
1738 | { | |
1739 | acpi_status status; | |
1740 | int err; | |
1741 | ||
1742 | acer_wmi_input_dev = input_allocate_device(); | |
1743 | if (!acer_wmi_input_dev) | |
1744 | return -ENOMEM; | |
1745 | ||
1746 | acer_wmi_input_dev->name = "Acer WMI hotkeys"; | |
1747 | acer_wmi_input_dev->phys = "wmi/input0"; | |
1748 | acer_wmi_input_dev->id.bustype = BUS_HOST; | |
1749 | ||
1750 | err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL); | |
1751 | if (err) | |
1752 | goto err_free_dev; | |
1753 | ||
1754 | status = wmi_install_notify_handler(ACERWMID_EVENT_GUID, | |
1755 | acer_wmi_notify, NULL); | |
1756 | if (ACPI_FAILURE(status)) { | |
1757 | err = -EIO; | |
1758 | goto err_free_keymap; | |
1759 | } | |
1760 | ||
1761 | err = input_register_device(acer_wmi_input_dev); | |
1762 | if (err) | |
1763 | goto err_uninstall_notifier; | |
1764 | ||
1765 | return 0; | |
1766 | ||
1767 | err_uninstall_notifier: | |
1768 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1769 | err_free_keymap: | |
1770 | sparse_keymap_free(acer_wmi_input_dev); | |
1771 | err_free_dev: | |
1772 | input_free_device(acer_wmi_input_dev); | |
1773 | return err; | |
1774 | } | |
1775 | ||
1776 | static void acer_wmi_input_destroy(void) | |
1777 | { | |
1778 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1779 | sparse_keymap_free(acer_wmi_input_dev); | |
1780 | input_unregister_device(acer_wmi_input_dev); | |
1781 | } | |
1782 | ||
81143522 CC |
1783 | /* |
1784 | * debugfs functions | |
1785 | */ | |
1786 | static u32 get_wmid_devices(void) | |
1787 | { | |
1788 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
1789 | union acpi_object *obj; | |
1790 | acpi_status status; | |
66904863 | 1791 | u32 devices = 0; |
81143522 CC |
1792 | |
1793 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
1794 | if (ACPI_FAILURE(status)) | |
1795 | return 0; | |
1796 | ||
1797 | obj = (union acpi_object *) out.pointer; | |
1798 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
ab6a9316 LCY |
1799 | (obj->buffer.length == sizeof(u32) || |
1800 | obj->buffer.length == sizeof(u64))) { | |
66904863 | 1801 | devices = *((u32 *) obj->buffer.pointer); |
987dfbaa LCY |
1802 | } else if (obj->type == ACPI_TYPE_INTEGER) { |
1803 | devices = (u32) obj->integer.value; | |
81143522 | 1804 | } |
66904863 AL |
1805 | |
1806 | kfree(out.pointer); | |
1807 | return devices; | |
81143522 CC |
1808 | } |
1809 | ||
745a5d21 CC |
1810 | /* |
1811 | * Platform device | |
1812 | */ | |
1813 | static int __devinit acer_platform_probe(struct platform_device *device) | |
1814 | { | |
1815 | int err; | |
1816 | ||
1817 | if (has_cap(ACER_CAP_MAILLED)) { | |
1818 | err = acer_led_init(&device->dev); | |
1819 | if (err) | |
1820 | goto error_mailled; | |
1821 | } | |
1822 | ||
1823 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1824 | err = acer_backlight_init(&device->dev); | |
1825 | if (err) | |
1826 | goto error_brightness; | |
1827 | } | |
1828 | ||
0606e1ab | 1829 | err = acer_rfkill_init(&device->dev); |
350e3290 AW |
1830 | if (err) |
1831 | goto error_rfkill; | |
0606e1ab CC |
1832 | |
1833 | return err; | |
745a5d21 | 1834 | |
350e3290 AW |
1835 | error_rfkill: |
1836 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1837 | acer_backlight_exit(); | |
745a5d21 | 1838 | error_brightness: |
350e3290 AW |
1839 | if (has_cap(ACER_CAP_MAILLED)) |
1840 | acer_led_exit(); | |
745a5d21 CC |
1841 | error_mailled: |
1842 | return err; | |
1843 | } | |
1844 | ||
1845 | static int acer_platform_remove(struct platform_device *device) | |
1846 | { | |
1847 | if (has_cap(ACER_CAP_MAILLED)) | |
1848 | acer_led_exit(); | |
1849 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1850 | acer_backlight_exit(); | |
0606e1ab CC |
1851 | |
1852 | acer_rfkill_exit(); | |
745a5d21 CC |
1853 | return 0; |
1854 | } | |
1855 | ||
1856 | static int acer_platform_suspend(struct platform_device *dev, | |
1857 | pm_message_t state) | |
1858 | { | |
1859 | u32 value; | |
1860 | struct acer_data *data = &interface->data; | |
1861 | ||
1862 | if (!data) | |
1863 | return -ENOMEM; | |
1864 | ||
745a5d21 CC |
1865 | if (has_cap(ACER_CAP_MAILLED)) { |
1866 | get_u32(&value, ACER_CAP_MAILLED); | |
9a0b74fd | 1867 | set_u32(LED_OFF, ACER_CAP_MAILLED); |
745a5d21 CC |
1868 | data->mailled = value; |
1869 | } | |
1870 | ||
1871 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1872 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1873 | data->brightness = value; | |
1874 | } | |
1875 | ||
1876 | return 0; | |
1877 | } | |
1878 | ||
1879 | static int acer_platform_resume(struct platform_device *device) | |
1880 | { | |
1881 | struct acer_data *data = &interface->data; | |
1882 | ||
1883 | if (!data) | |
1884 | return -ENOMEM; | |
1885 | ||
745a5d21 CC |
1886 | if (has_cap(ACER_CAP_MAILLED)) |
1887 | set_u32(data->mailled, ACER_CAP_MAILLED); | |
1888 | ||
1889 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1890 | set_u32(data->brightness, ACER_CAP_BRIGHTNESS); | |
1891 | ||
1892 | return 0; | |
1893 | } | |
1894 | ||
9a0b74fd PR |
1895 | static void acer_platform_shutdown(struct platform_device *device) |
1896 | { | |
1897 | struct acer_data *data = &interface->data; | |
1898 | ||
1899 | if (!data) | |
1900 | return; | |
1901 | ||
1902 | if (has_cap(ACER_CAP_MAILLED)) | |
1903 | set_u32(LED_OFF, ACER_CAP_MAILLED); | |
1904 | } | |
1905 | ||
745a5d21 CC |
1906 | static struct platform_driver acer_platform_driver = { |
1907 | .driver = { | |
1908 | .name = "acer-wmi", | |
1909 | .owner = THIS_MODULE, | |
1910 | }, | |
1911 | .probe = acer_platform_probe, | |
1912 | .remove = acer_platform_remove, | |
1913 | .suspend = acer_platform_suspend, | |
1914 | .resume = acer_platform_resume, | |
9a0b74fd | 1915 | .shutdown = acer_platform_shutdown, |
745a5d21 CC |
1916 | }; |
1917 | ||
1918 | static struct platform_device *acer_platform_device; | |
1919 | ||
1920 | static int remove_sysfs(struct platform_device *device) | |
1921 | { | |
745a5d21 CC |
1922 | if (has_cap(ACER_CAP_THREEG)) |
1923 | device_remove_file(&device->dev, &dev_attr_threeg); | |
1924 | ||
1925 | device_remove_file(&device->dev, &dev_attr_interface); | |
1926 | ||
1927 | return 0; | |
1928 | } | |
1929 | ||
1930 | static int create_sysfs(void) | |
1931 | { | |
1932 | int retval = -ENOMEM; | |
1933 | ||
745a5d21 CC |
1934 | if (has_cap(ACER_CAP_THREEG)) { |
1935 | retval = device_create_file(&acer_platform_device->dev, | |
1936 | &dev_attr_threeg); | |
1937 | if (retval) | |
1938 | goto error_sysfs; | |
1939 | } | |
1940 | ||
1941 | retval = device_create_file(&acer_platform_device->dev, | |
1942 | &dev_attr_interface); | |
1943 | if (retval) | |
1944 | goto error_sysfs; | |
1945 | ||
1946 | return 0; | |
1947 | ||
1948 | error_sysfs: | |
1949 | remove_sysfs(acer_platform_device); | |
1950 | return retval; | |
1951 | } | |
1952 | ||
81143522 CC |
1953 | static void remove_debugfs(void) |
1954 | { | |
1955 | debugfs_remove(interface->debug.devices); | |
1956 | debugfs_remove(interface->debug.root); | |
1957 | } | |
1958 | ||
1959 | static int create_debugfs(void) | |
1960 | { | |
1961 | interface->debug.root = debugfs_create_dir("acer-wmi", NULL); | |
1962 | if (!interface->debug.root) { | |
cae15702 | 1963 | pr_err("Failed to create debugfs directory"); |
81143522 CC |
1964 | return -ENOMEM; |
1965 | } | |
1966 | ||
1967 | interface->debug.devices = debugfs_create_u32("devices", S_IRUGO, | |
1968 | interface->debug.root, | |
1969 | &interface->debug.wmid_devices); | |
1970 | if (!interface->debug.devices) | |
1971 | goto error_debugfs; | |
1972 | ||
1973 | return 0; | |
1974 | ||
1975 | error_debugfs: | |
39dbbb45 | 1976 | remove_debugfs(); |
81143522 CC |
1977 | return -ENOMEM; |
1978 | } | |
1979 | ||
745a5d21 CC |
1980 | static int __init acer_wmi_init(void) |
1981 | { | |
1982 | int err; | |
1983 | ||
cae15702 | 1984 | pr_info("Acer Laptop ACPI-WMI Extras\n"); |
745a5d21 | 1985 | |
a74dd5fd | 1986 | if (dmi_check_system(acer_blacklist)) { |
cae15702 | 1987 | pr_info("Blacklisted hardware detected - not loading\n"); |
a74dd5fd CC |
1988 | return -ENODEV; |
1989 | } | |
1990 | ||
9991d9f2 CC |
1991 | find_quirks(); |
1992 | ||
745a5d21 CC |
1993 | /* |
1994 | * Detect which ACPI-WMI interface we're using. | |
1995 | */ | |
1996 | if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1997 | interface = &AMW0_V2_interface; | |
1998 | ||
1999 | if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
2000 | interface = &wmid_interface; | |
2001 | ||
72e71de1 LCY |
2002 | if (wmi_has_guid(WMID_GUID3)) |
2003 | interface = &wmid_v2_interface; | |
2004 | ||
2005 | if (interface) | |
2006 | dmi_walk(type_aa_dmi_decode, NULL); | |
2007 | ||
745a5d21 | 2008 | if (wmi_has_guid(WMID_GUID2) && interface) { |
72e71de1 | 2009 | if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) { |
cae15702 | 2010 | pr_err("Unable to detect available WMID devices\n"); |
745a5d21 CC |
2011 | return -ENODEV; |
2012 | } | |
72e71de1 LCY |
2013 | /* WMID always provides brightness methods */ |
2014 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
2015 | } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa) { | |
cae15702 | 2016 | pr_err("No WMID device detection method found\n"); |
745a5d21 CC |
2017 | return -ENODEV; |
2018 | } | |
2019 | ||
2020 | if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { | |
2021 | interface = &AMW0_interface; | |
2022 | ||
2023 | if (ACPI_FAILURE(AMW0_set_capabilities())) { | |
cae15702 | 2024 | pr_err("Unable to detect available AMW0 devices\n"); |
745a5d21 CC |
2025 | return -ENODEV; |
2026 | } | |
2027 | } | |
2028 | ||
9b963c40 CC |
2029 | if (wmi_has_guid(AMW0_GUID1)) |
2030 | AMW0_find_mailled(); | |
745a5d21 | 2031 | |
745a5d21 | 2032 | if (!interface) { |
cae15702 | 2033 | pr_err("No or unsupported WMI interface, unable to load\n"); |
745a5d21 CC |
2034 | return -ENODEV; |
2035 | } | |
2036 | ||
83097aca AV |
2037 | set_quirks(); |
2038 | ||
72e71de1 | 2039 | if (acpi_video_backlight_support()) { |
86924de2 LCY |
2040 | if (dmi_check_system(video_vendor_dmi_table)) { |
2041 | acpi_video_unregister(); | |
2042 | } else { | |
2043 | interface->capability &= ~ACER_CAP_BRIGHTNESS; | |
2044 | pr_info("Brightness must be controlled by " | |
2045 | "acpi video driver\n"); | |
2046 | } | |
febf2d95 TR |
2047 | } |
2048 | ||
59ccf2f3 FLCY |
2049 | if (wmi_has_guid(WMID_GUID3)) { |
2050 | if (ec_raw_mode) { | |
2051 | if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { | |
cae15702 | 2052 | pr_err("Cannot enable EC raw mode\n"); |
59ccf2f3 FLCY |
2053 | return -ENODEV; |
2054 | } | |
2055 | } else if (ACPI_FAILURE(acer_wmi_enable_lm())) { | |
cae15702 | 2056 | pr_err("Cannot enable Launch Manager mode\n"); |
59ccf2f3 FLCY |
2057 | return -ENODEV; |
2058 | } | |
2059 | } else if (ec_raw_mode) { | |
cae15702 | 2060 | pr_info("No WMID EC raw mode enable method\n"); |
59ccf2f3 FLCY |
2061 | } |
2062 | ||
3fdca87d LCY |
2063 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) { |
2064 | err = acer_wmi_input_setup(); | |
2065 | if (err) | |
2066 | return err; | |
2067 | } | |
2068 | ||
1c79632b AL |
2069 | err = platform_driver_register(&acer_platform_driver); |
2070 | if (err) { | |
6e71f38b | 2071 | pr_err("Unable to register platform driver\n"); |
745a5d21 CC |
2072 | goto error_platform_register; |
2073 | } | |
1c79632b | 2074 | |
745a5d21 | 2075 | acer_platform_device = platform_device_alloc("acer-wmi", -1); |
1c79632b AL |
2076 | if (!acer_platform_device) { |
2077 | err = -ENOMEM; | |
2078 | goto error_device_alloc; | |
2079 | } | |
2080 | ||
2081 | err = platform_device_add(acer_platform_device); | |
2082 | if (err) | |
2083 | goto error_device_add; | |
745a5d21 CC |
2084 | |
2085 | err = create_sysfs(); | |
2086 | if (err) | |
1c79632b | 2087 | goto error_create_sys; |
745a5d21 | 2088 | |
81143522 CC |
2089 | if (wmi_has_guid(WMID_GUID2)) { |
2090 | interface->debug.wmid_devices = get_wmid_devices(); | |
2091 | err = create_debugfs(); | |
2092 | if (err) | |
1c79632b | 2093 | goto error_create_debugfs; |
81143522 CC |
2094 | } |
2095 | ||
745a5d21 CC |
2096 | /* Override any initial settings with values from the commandline */ |
2097 | acer_commandline_init(); | |
2098 | ||
2099 | return 0; | |
2100 | ||
1c79632b AL |
2101 | error_create_debugfs: |
2102 | remove_sysfs(acer_platform_device); | |
2103 | error_create_sys: | |
2104 | platform_device_del(acer_platform_device); | |
2105 | error_device_add: | |
2106 | platform_device_put(acer_platform_device); | |
2107 | error_device_alloc: | |
2108 | platform_driver_unregister(&acer_platform_driver); | |
745a5d21 | 2109 | error_platform_register: |
3fdca87d LCY |
2110 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
2111 | acer_wmi_input_destroy(); | |
2112 | ||
1c79632b | 2113 | return err; |
745a5d21 CC |
2114 | } |
2115 | ||
2116 | static void __exit acer_wmi_exit(void) | |
2117 | { | |
3fdca87d LCY |
2118 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
2119 | acer_wmi_input_destroy(); | |
2120 | ||
745a5d21 | 2121 | remove_sysfs(acer_platform_device); |
39dbbb45 | 2122 | remove_debugfs(); |
97ba0af0 | 2123 | platform_device_unregister(acer_platform_device); |
745a5d21 CC |
2124 | platform_driver_unregister(&acer_platform_driver); |
2125 | ||
cae15702 | 2126 | pr_info("Acer Laptop WMI Extras unloaded\n"); |
745a5d21 CC |
2127 | return; |
2128 | } | |
2129 | ||
2130 | module_init(acer_wmi_init); | |
2131 | module_exit(acer_wmi_exit); |