Commit | Line | Data |
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62ec30d4 MG |
1 | /* |
2 | * HP WMI hotkeys | |
3 | * | |
4 | * Copyright (C) 2008 Red Hat <mjg@redhat.com> | |
c0b9c649 | 5 | * Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi> |
62ec30d4 MG |
6 | * |
7 | * Portions based on wistron_btns.c: | |
8 | * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> | |
9 | * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> | |
10 | * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | */ | |
26 | ||
b5a4223c JP |
27 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
28 | ||
62ec30d4 MG |
29 | #include <linux/kernel.h> |
30 | #include <linux/module.h> | |
31 | #include <linux/init.h> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
62ec30d4 MG |
33 | #include <linux/types.h> |
34 | #include <linux/input.h> | |
4d291ed7 | 35 | #include <linux/input/sparse-keymap.h> |
62ec30d4 MG |
36 | #include <linux/platform_device.h> |
37 | #include <linux/acpi.h> | |
38 | #include <linux/rfkill.h> | |
39 | #include <linux/string.h> | |
40 | ||
41 | MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>"); | |
42 | MODULE_DESCRIPTION("HP laptop WMI hotkeys driver"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | ||
45 | MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C"); | |
46 | MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4"); | |
47 | ||
48 | #define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C" | |
49 | #define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4" | |
50 | ||
51 | #define HPWMI_DISPLAY_QUERY 0x1 | |
52 | #define HPWMI_HDDTEMP_QUERY 0x2 | |
53 | #define HPWMI_ALS_QUERY 0x3 | |
871043bc | 54 | #define HPWMI_HARDWARE_QUERY 0x4 |
62ec30d4 | 55 | #define HPWMI_WIRELESS_QUERY 0x5 |
f82bdd0d | 56 | #define HPWMI_BIOS_QUERY 0x9 |
a8823aef | 57 | #define HPWMI_HOTKEY_QUERY 0xc |
997daa1b | 58 | #define HPWMI_FEATURE_QUERY 0xd |
c0b9c649 | 59 | #define HPWMI_WIRELESS2_QUERY 0x1b |
8667ca95 | 60 | #define HPWMI_POSTCODEERROR_QUERY 0x2a |
62ec30d4 | 61 | |
e5fbba85 AJ |
62 | enum hp_wmi_radio { |
63 | HPWMI_WIFI = 0, | |
64 | HPWMI_BLUETOOTH = 1, | |
65 | HPWMI_WWAN = 2, | |
4fca7ce3 | 66 | HPWMI_GPS = 3, |
e5fbba85 AJ |
67 | }; |
68 | ||
751ae808 TR |
69 | enum hp_wmi_event_ids { |
70 | HPWMI_DOCK_EVENT = 1, | |
1bbdfd59 TR |
71 | HPWMI_PARK_HDD = 2, |
72 | HPWMI_SMART_ADAPTER = 3, | |
751ae808 TR |
73 | HPWMI_BEZEL_BUTTON = 4, |
74 | HPWMI_WIRELESS = 5, | |
1bbdfd59 TR |
75 | HPWMI_CPU_BATTERY_THROTTLE = 6, |
76 | HPWMI_LOCK_SWITCH = 7, | |
d9e290a0 AH |
77 | HPWMI_LID_SWITCH = 8, |
78 | HPWMI_SCREEN_ROTATION = 9, | |
79 | HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A, | |
80 | HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B, | |
81 | HPWMI_PROXIMITY_SENSOR = 0x0C, | |
82 | HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D, | |
83 | HPWMI_PEAKSHIFT_PERIOD = 0x0F, | |
84 | HPWMI_BATTERY_CHARGE_PERIOD = 0x10, | |
751ae808 TR |
85 | }; |
86 | ||
62ec30d4 MG |
87 | struct bios_args { |
88 | u32 signature; | |
89 | u32 command; | |
90 | u32 commandtype; | |
91 | u32 datasize; | |
a8ec105c | 92 | u32 data; |
62ec30d4 MG |
93 | }; |
94 | ||
95 | struct bios_return { | |
96 | u32 sigpass; | |
97 | u32 return_code; | |
62ec30d4 MG |
98 | }; |
99 | ||
9af0e0fb AH |
100 | enum hp_return_value { |
101 | HPWMI_RET_WRONG_SIGNATURE = 0x02, | |
102 | HPWMI_RET_UNKNOWN_COMMAND = 0x03, | |
103 | HPWMI_RET_UNKNOWN_CMDTYPE = 0x04, | |
104 | HPWMI_RET_INVALID_PARAMETERS = 0x05, | |
105 | }; | |
106 | ||
c0b9c649 AH |
107 | enum hp_wireless2_bits { |
108 | HPWMI_POWER_STATE = 0x01, | |
109 | HPWMI_POWER_SOFT = 0x02, | |
110 | HPWMI_POWER_BIOS = 0x04, | |
111 | HPWMI_POWER_HARD = 0x08, | |
112 | }; | |
113 | ||
114 | #define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \ | |
115 | != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) | |
116 | #define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT) | |
117 | ||
118 | struct bios_rfkill2_device_state { | |
119 | u8 radio_type; | |
120 | u8 bus_type; | |
121 | u16 vendor_id; | |
122 | u16 product_id; | |
123 | u16 subsys_vendor_id; | |
124 | u16 subsys_product_id; | |
125 | u8 rfkill_id; | |
126 | u8 power; | |
127 | u8 unknown[4]; | |
128 | }; | |
129 | ||
130 | /* 7 devices fit into the 128 byte buffer */ | |
131 | #define HPWMI_MAX_RFKILL2_DEVICES 7 | |
132 | ||
133 | struct bios_rfkill2_state { | |
134 | u8 unknown[7]; | |
135 | u8 count; | |
136 | u8 pad[8]; | |
137 | struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES]; | |
138 | }; | |
139 | ||
4d291ed7 DT |
140 | static const struct key_entry hp_wmi_keymap[] = { |
141 | { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } }, | |
142 | { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } }, | |
143 | { KE_KEY, 0x20e6, { KEY_PROG1 } }, | |
144 | { KE_KEY, 0x20e8, { KEY_MEDIA } }, | |
145 | { KE_KEY, 0x2142, { KEY_MEDIA } }, | |
146 | { KE_KEY, 0x213b, { KEY_INFO } }, | |
e92865ed | 147 | { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } }, |
f82bdd0d | 148 | { KE_KEY, 0x216a, { KEY_SETUP } }, |
4d291ed7 DT |
149 | { KE_KEY, 0x231b, { KEY_HELP } }, |
150 | { KE_END, 0 } | |
62ec30d4 MG |
151 | }; |
152 | ||
153 | static struct input_dev *hp_wmi_input_dev; | |
154 | static struct platform_device *hp_wmi_platform_dev; | |
155 | ||
156 | static struct rfkill *wifi_rfkill; | |
157 | static struct rfkill *bluetooth_rfkill; | |
158 | static struct rfkill *wwan_rfkill; | |
4fca7ce3 | 159 | static struct rfkill *gps_rfkill; |
62ec30d4 | 160 | |
c0b9c649 AH |
161 | struct rfkill2_device { |
162 | u8 id; | |
163 | int num; | |
164 | struct rfkill *rfkill; | |
165 | }; | |
166 | ||
167 | static int rfkill2_count; | |
168 | static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES]; | |
169 | ||
6d96e00c TR |
170 | /* |
171 | * hp_wmi_perform_query | |
172 | * | |
173 | * query: The commandtype -> What should be queried | |
174 | * write: The command -> 0 read, 1 write, 3 ODM specific | |
175 | * buffer: Buffer used as input and/or output | |
c3021ea1 AH |
176 | * insize: Size of input buffer |
177 | * outsize: Size of output buffer | |
6d96e00c TR |
178 | * |
179 | * returns zero on success | |
180 | * an HP WMI query specific error code (which is positive) | |
181 | * -EINVAL if the query was not successful at all | |
182 | * -EINVAL if the output buffer size exceeds buffersize | |
183 | * | |
184 | * Note: The buffersize must at least be the maximum of the input and output | |
185 | * size. E.g. Battery info query (0x7) is defined to have 1 byte input | |
186 | * and 128 byte output. The caller would do: | |
187 | * buffer = kzalloc(128, GFP_KERNEL); | |
c3021ea1 | 188 | * ret = hp_wmi_perform_query(0x7, 0, buffer, 1, 128) |
6d96e00c | 189 | */ |
c3021ea1 AH |
190 | static int hp_wmi_perform_query(int query, int write, void *buffer, |
191 | int insize, int outsize) | |
62ec30d4 | 192 | { |
c3021ea1 AH |
193 | struct bios_return *bios_return; |
194 | int actual_outsize; | |
62ec30d4 MG |
195 | union acpi_object *obj; |
196 | struct bios_args args = { | |
197 | .signature = 0x55434553, | |
198 | .command = write ? 0x2 : 0x1, | |
199 | .commandtype = query, | |
c3021ea1 AH |
200 | .datasize = insize, |
201 | .data = 0, | |
62ec30d4 MG |
202 | }; |
203 | struct acpi_buffer input = { sizeof(struct bios_args), &args }; | |
204 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
0401846c | 205 | u32 rc; |
62ec30d4 | 206 | |
c3021ea1 AH |
207 | if (WARN_ON(insize > sizeof(args.data))) |
208 | return -EINVAL; | |
209 | memcpy(&args.data, buffer, insize); | |
210 | ||
25bb067a | 211 | wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output); |
62ec30d4 MG |
212 | |
213 | obj = output.pointer; | |
214 | ||
44ef00e6 | 215 | if (!obj) |
62ec30d4 | 216 | return -EINVAL; |
44ef00e6 TR |
217 | else if (obj->type != ACPI_TYPE_BUFFER) { |
218 | kfree(obj); | |
219 | return -EINVAL; | |
220 | } | |
62ec30d4 | 221 | |
c3021ea1 | 222 | bios_return = (struct bios_return *)obj->buffer.pointer; |
0401846c | 223 | rc = bios_return->return_code; |
6d96e00c | 224 | |
0401846c ED |
225 | if (rc) { |
226 | if (rc != HPWMI_RET_UNKNOWN_CMDTYPE) | |
227 | pr_warn("query 0x%x returned error 0x%x\n", query, rc); | |
9af0e0fb | 228 | kfree(obj); |
0401846c | 229 | return rc; |
9af0e0fb AH |
230 | } |
231 | ||
c3021ea1 AH |
232 | if (!outsize) { |
233 | /* ignore output data */ | |
234 | kfree(obj); | |
235 | return 0; | |
236 | } | |
53c96dfd | 237 | |
c3021ea1 AH |
238 | actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return))); |
239 | memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize); | |
240 | memset(buffer + actual_outsize, 0, outsize - actual_outsize); | |
53c96dfd | 241 | kfree(obj); |
6d96e00c | 242 | return 0; |
62ec30d4 MG |
243 | } |
244 | ||
245 | static int hp_wmi_display_state(void) | |
246 | { | |
a8ec105c MG |
247 | int state = 0; |
248 | int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state, | |
c3021ea1 | 249 | sizeof(state), sizeof(state)); |
6d96e00c TR |
250 | if (ret) |
251 | return -EINVAL; | |
252 | return state; | |
62ec30d4 MG |
253 | } |
254 | ||
255 | static int hp_wmi_hddtemp_state(void) | |
256 | { | |
a8ec105c MG |
257 | int state = 0; |
258 | int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state, | |
c3021ea1 | 259 | sizeof(state), sizeof(state)); |
6d96e00c TR |
260 | if (ret) |
261 | return -EINVAL; | |
262 | return state; | |
62ec30d4 MG |
263 | } |
264 | ||
265 | static int hp_wmi_als_state(void) | |
266 | { | |
a8ec105c MG |
267 | int state = 0; |
268 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state, | |
c3021ea1 | 269 | sizeof(state), sizeof(state)); |
6d96e00c TR |
270 | if (ret) |
271 | return -EINVAL; | |
272 | return state; | |
62ec30d4 MG |
273 | } |
274 | ||
275 | static int hp_wmi_dock_state(void) | |
276 | { | |
a8ec105c MG |
277 | int state = 0; |
278 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, | |
c3021ea1 | 279 | sizeof(state), sizeof(state)); |
62ec30d4 | 280 | |
6d96e00c TR |
281 | if (ret) |
282 | return -EINVAL; | |
871043bc | 283 | |
6d96e00c | 284 | return state & 0x1; |
62ec30d4 MG |
285 | } |
286 | ||
871043bc | 287 | static int hp_wmi_tablet_state(void) |
62ec30d4 | 288 | { |
a8ec105c MG |
289 | int state = 0; |
290 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, | |
c3021ea1 | 291 | sizeof(state), sizeof(state)); |
6d96e00c | 292 | if (ret) |
871043bc MG |
293 | return ret; |
294 | ||
6d96e00c | 295 | return (state & 0x4) ? 1 : 0; |
62ec30d4 MG |
296 | } |
297 | ||
702ef542 | 298 | static int __init hp_wmi_bios_2009_later(void) |
997daa1b AH |
299 | { |
300 | int state = 0; | |
301 | int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state, | |
302 | sizeof(state), sizeof(state)); | |
303 | if (ret) | |
304 | return ret; | |
305 | ||
306 | return (state & 0x10) ? 1 : 0; | |
307 | } | |
308 | ||
f82bdd0d KE |
309 | static int hp_wmi_enable_hotkeys(void) |
310 | { | |
311 | int ret; | |
312 | int query = 0x6e; | |
313 | ||
314 | ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &query, sizeof(query), | |
315 | 0); | |
316 | ||
317 | if (ret) | |
318 | return -EINVAL; | |
319 | return 0; | |
320 | } | |
321 | ||
19d337df | 322 | static int hp_wmi_set_block(void *data, bool blocked) |
62ec30d4 | 323 | { |
e5fbba85 AJ |
324 | enum hp_wmi_radio r = (enum hp_wmi_radio) data; |
325 | int query = BIT(r + 8) | ((!blocked) << r); | |
6d96e00c | 326 | int ret; |
62ec30d4 | 327 | |
6d96e00c | 328 | ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, |
c3021ea1 | 329 | &query, sizeof(query), 0); |
6d96e00c TR |
330 | if (ret) |
331 | return -EINVAL; | |
332 | return 0; | |
62ec30d4 MG |
333 | } |
334 | ||
19d337df JB |
335 | static const struct rfkill_ops hp_wmi_rfkill_ops = { |
336 | .set_block = hp_wmi_set_block, | |
337 | }; | |
62ec30d4 | 338 | |
e5fbba85 | 339 | static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) |
62ec30d4 | 340 | { |
a8ec105c | 341 | int wireless = 0; |
6d96e00c TR |
342 | int mask; |
343 | hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, | |
c3021ea1 AH |
344 | &wireless, sizeof(wireless), |
345 | sizeof(wireless)); | |
6d96e00c TR |
346 | /* TBD: Pass error */ |
347 | ||
348 | mask = 0x200 << (r * 8); | |
62ec30d4 | 349 | |
e5fbba85 | 350 | if (wireless & mask) |
19d337df | 351 | return false; |
62ec30d4 | 352 | else |
19d337df | 353 | return true; |
62ec30d4 MG |
354 | } |
355 | ||
e5fbba85 | 356 | static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) |
62ec30d4 | 357 | { |
a8ec105c | 358 | int wireless = 0; |
6d96e00c TR |
359 | int mask; |
360 | hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, | |
c3021ea1 AH |
361 | &wireless, sizeof(wireless), |
362 | sizeof(wireless)); | |
6d96e00c TR |
363 | /* TBD: Pass error */ |
364 | ||
365 | mask = 0x800 << (r * 8); | |
62ec30d4 | 366 | |
e5fbba85 | 367 | if (wireless & mask) |
19d337df | 368 | return false; |
62ec30d4 | 369 | else |
19d337df | 370 | return true; |
62ec30d4 MG |
371 | } |
372 | ||
c0b9c649 AH |
373 | static int hp_wmi_rfkill2_set_block(void *data, bool blocked) |
374 | { | |
375 | int rfkill_id = (int)(long)data; | |
376 | char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked }; | |
377 | ||
378 | if (hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 1, | |
379 | buffer, sizeof(buffer), 0)) | |
380 | return -EINVAL; | |
381 | return 0; | |
382 | } | |
383 | ||
384 | static const struct rfkill_ops hp_wmi_rfkill2_ops = { | |
385 | .set_block = hp_wmi_rfkill2_set_block, | |
386 | }; | |
387 | ||
388 | static int hp_wmi_rfkill2_refresh(void) | |
389 | { | |
390 | int err, i; | |
391 | struct bios_rfkill2_state state; | |
392 | ||
393 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state, | |
394 | 0, sizeof(state)); | |
395 | if (err) | |
396 | return err; | |
397 | ||
398 | for (i = 0; i < rfkill2_count; i++) { | |
399 | int num = rfkill2[i].num; | |
400 | struct bios_rfkill2_device_state *devstate; | |
401 | devstate = &state.device[num]; | |
402 | ||
403 | if (num >= state.count || | |
404 | devstate->rfkill_id != rfkill2[i].id) { | |
b5a4223c | 405 | pr_warn("power configuration of the wireless devices unexpectedly changed\n"); |
c0b9c649 AH |
406 | continue; |
407 | } | |
408 | ||
409 | rfkill_set_states(rfkill2[i].rfkill, | |
410 | IS_SWBLOCKED(devstate->power), | |
411 | IS_HWBLOCKED(devstate->power)); | |
412 | } | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
8667ca95 AH |
417 | static int hp_wmi_post_code_state(void) |
418 | { | |
419 | int state = 0; | |
420 | int ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 0, &state, | |
421 | sizeof(state), sizeof(state)); | |
422 | if (ret) | |
423 | return -EINVAL; | |
424 | return state; | |
425 | } | |
426 | ||
62ec30d4 MG |
427 | static ssize_t show_display(struct device *dev, struct device_attribute *attr, |
428 | char *buf) | |
429 | { | |
430 | int value = hp_wmi_display_state(); | |
431 | if (value < 0) | |
432 | return -EINVAL; | |
433 | return sprintf(buf, "%d\n", value); | |
434 | } | |
435 | ||
436 | static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr, | |
437 | char *buf) | |
438 | { | |
439 | int value = hp_wmi_hddtemp_state(); | |
440 | if (value < 0) | |
441 | return -EINVAL; | |
442 | return sprintf(buf, "%d\n", value); | |
443 | } | |
444 | ||
445 | static ssize_t show_als(struct device *dev, struct device_attribute *attr, | |
446 | char *buf) | |
447 | { | |
448 | int value = hp_wmi_als_state(); | |
449 | if (value < 0) | |
450 | return -EINVAL; | |
451 | return sprintf(buf, "%d\n", value); | |
452 | } | |
453 | ||
454 | static ssize_t show_dock(struct device *dev, struct device_attribute *attr, | |
455 | char *buf) | |
456 | { | |
457 | int value = hp_wmi_dock_state(); | |
458 | if (value < 0) | |
459 | return -EINVAL; | |
460 | return sprintf(buf, "%d\n", value); | |
461 | } | |
462 | ||
871043bc MG |
463 | static ssize_t show_tablet(struct device *dev, struct device_attribute *attr, |
464 | char *buf) | |
465 | { | |
466 | int value = hp_wmi_tablet_state(); | |
467 | if (value < 0) | |
468 | return -EINVAL; | |
469 | return sprintf(buf, "%d\n", value); | |
470 | } | |
471 | ||
8667ca95 AH |
472 | static ssize_t show_postcode(struct device *dev, struct device_attribute *attr, |
473 | char *buf) | |
474 | { | |
475 | /* Get the POST error code of previous boot failure. */ | |
476 | int value = hp_wmi_post_code_state(); | |
477 | if (value < 0) | |
478 | return -EINVAL; | |
479 | return sprintf(buf, "0x%x\n", value); | |
480 | } | |
481 | ||
62ec30d4 MG |
482 | static ssize_t set_als(struct device *dev, struct device_attribute *attr, |
483 | const char *buf, size_t count) | |
484 | { | |
485 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
a8ec105c | 486 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp, |
c3021ea1 | 487 | sizeof(tmp), sizeof(tmp)); |
6d96e00c TR |
488 | if (ret) |
489 | return -EINVAL; | |
490 | ||
62ec30d4 MG |
491 | return count; |
492 | } | |
493 | ||
8667ca95 AH |
494 | static ssize_t set_postcode(struct device *dev, struct device_attribute *attr, |
495 | const char *buf, size_t count) | |
496 | { | |
497 | int ret; | |
498 | u32 tmp; | |
499 | long unsigned int tmp2; | |
500 | ||
501 | ret = kstrtoul(buf, 10, &tmp2); | |
502 | if (ret || tmp2 != 1) | |
503 | return -EINVAL; | |
504 | ||
505 | /* Clear the POST error code. It is kept until until cleared. */ | |
506 | tmp = (u32) tmp2; | |
507 | ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 1, &tmp, | |
508 | sizeof(tmp), sizeof(tmp)); | |
509 | if (ret) | |
510 | return -EINVAL; | |
511 | ||
512 | return count; | |
513 | } | |
514 | ||
62ec30d4 MG |
515 | static DEVICE_ATTR(display, S_IRUGO, show_display, NULL); |
516 | static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL); | |
517 | static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als); | |
518 | static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL); | |
871043bc | 519 | static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL); |
8667ca95 | 520 | static DEVICE_ATTR(postcode, S_IRUGO | S_IWUSR, show_postcode, set_postcode); |
62ec30d4 | 521 | |
88429a10 | 522 | static void hp_wmi_notify(u32 value, void *context) |
62ec30d4 MG |
523 | { |
524 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
62ec30d4 | 525 | union acpi_object *obj; |
8dda6b04 | 526 | u32 event_id, event_data; |
a8ec105c | 527 | int key_code = 0, ret; |
8dda6b04 | 528 | u32 *location; |
fda11e61 | 529 | acpi_status status; |
62ec30d4 | 530 | |
fda11e61 LB |
531 | status = wmi_get_event_data(value, &response); |
532 | if (status != AE_OK) { | |
b5a4223c | 533 | pr_info("bad event status 0x%x\n", status); |
fda11e61 LB |
534 | return; |
535 | } | |
62ec30d4 MG |
536 | |
537 | obj = (union acpi_object *)response.pointer; | |
538 | ||
c4775062 TR |
539 | if (!obj) |
540 | return; | |
541 | if (obj->type != ACPI_TYPE_BUFFER) { | |
b5a4223c | 542 | pr_info("Unknown response received %d\n", obj->type); |
44ef00e6 | 543 | kfree(obj); |
e5fbba85 AJ |
544 | return; |
545 | } | |
546 | ||
8dda6b04 TR |
547 | /* |
548 | * Depending on ACPI version the concatenation of id and event data | |
549 | * inside _WED function will result in a 8 or 16 byte buffer. | |
550 | */ | |
551 | location = (u32 *)obj->buffer.pointer; | |
552 | if (obj->buffer.length == 8) { | |
553 | event_id = *location; | |
554 | event_data = *(location + 1); | |
555 | } else if (obj->buffer.length == 16) { | |
556 | event_id = *location; | |
557 | event_data = *(location + 2); | |
558 | } else { | |
b5a4223c | 559 | pr_info("Unknown buffer length %d\n", obj->buffer.length); |
8dda6b04 TR |
560 | kfree(obj); |
561 | return; | |
562 | } | |
44ef00e6 | 563 | kfree(obj); |
8dda6b04 TR |
564 | |
565 | switch (event_id) { | |
751ae808 | 566 | case HPWMI_DOCK_EVENT: |
e5fbba85 AJ |
567 | input_report_switch(hp_wmi_input_dev, SW_DOCK, |
568 | hp_wmi_dock_state()); | |
569 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
570 | hp_wmi_tablet_state()); | |
571 | input_sync(hp_wmi_input_dev); | |
751ae808 | 572 | break; |
1bbdfd59 TR |
573 | case HPWMI_PARK_HDD: |
574 | break; | |
575 | case HPWMI_SMART_ADAPTER: | |
576 | break; | |
751ae808 | 577 | case HPWMI_BEZEL_BUTTON: |
6d96e00c | 578 | ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, |
a8ec105c | 579 | &key_code, |
c3021ea1 | 580 | sizeof(key_code), |
6d96e00c TR |
581 | sizeof(key_code)); |
582 | if (ret) | |
583 | break; | |
4d291ed7 DT |
584 | |
585 | if (!sparse_keymap_report_event(hp_wmi_input_dev, | |
586 | key_code, 1, true)) | |
b5a4223c | 587 | pr_info("Unknown key code - 0x%x\n", key_code); |
751ae808 TR |
588 | break; |
589 | case HPWMI_WIRELESS: | |
c0b9c649 AH |
590 | if (rfkill2_count) { |
591 | hp_wmi_rfkill2_refresh(); | |
592 | break; | |
593 | } | |
594 | ||
e5fbba85 AJ |
595 | if (wifi_rfkill) |
596 | rfkill_set_states(wifi_rfkill, | |
597 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
598 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
599 | if (bluetooth_rfkill) | |
600 | rfkill_set_states(bluetooth_rfkill, | |
601 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
602 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
603 | if (wwan_rfkill) | |
604 | rfkill_set_states(wwan_rfkill, | |
605 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
606 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
4fca7ce3 TV |
607 | if (gps_rfkill) |
608 | rfkill_set_states(gps_rfkill, | |
609 | hp_wmi_get_sw_state(HPWMI_GPS), | |
610 | hp_wmi_get_hw_state(HPWMI_GPS)); | |
751ae808 | 611 | break; |
1bbdfd59 | 612 | case HPWMI_CPU_BATTERY_THROTTLE: |
b5a4223c | 613 | pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n"); |
1bbdfd59 TR |
614 | break; |
615 | case HPWMI_LOCK_SWITCH: | |
616 | break; | |
d9e290a0 AH |
617 | case HPWMI_LID_SWITCH: |
618 | break; | |
619 | case HPWMI_SCREEN_ROTATION: | |
620 | break; | |
621 | case HPWMI_COOLSENSE_SYSTEM_MOBILE: | |
622 | break; | |
623 | case HPWMI_COOLSENSE_SYSTEM_HOT: | |
624 | break; | |
625 | case HPWMI_PROXIMITY_SENSOR: | |
626 | break; | |
627 | case HPWMI_BACKLIT_KB_BRIGHTNESS: | |
628 | break; | |
629 | case HPWMI_PEAKSHIFT_PERIOD: | |
630 | break; | |
631 | case HPWMI_BATTERY_CHARGE_PERIOD: | |
632 | break; | |
751ae808 | 633 | default: |
b5a4223c | 634 | pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); |
751ae808 TR |
635 | break; |
636 | } | |
62ec30d4 MG |
637 | } |
638 | ||
639 | static int __init hp_wmi_input_setup(void) | |
640 | { | |
4d291ed7 | 641 | acpi_status status; |
62ec30d4 MG |
642 | int err; |
643 | ||
644 | hp_wmi_input_dev = input_allocate_device(); | |
bc28596a AL |
645 | if (!hp_wmi_input_dev) |
646 | return -ENOMEM; | |
62ec30d4 MG |
647 | |
648 | hp_wmi_input_dev->name = "HP WMI hotkeys"; | |
649 | hp_wmi_input_dev->phys = "wmi/input0"; | |
650 | hp_wmi_input_dev->id.bustype = BUS_HOST; | |
62ec30d4 | 651 | |
4d291ed7 DT |
652 | __set_bit(EV_SW, hp_wmi_input_dev->evbit); |
653 | __set_bit(SW_DOCK, hp_wmi_input_dev->swbit); | |
654 | __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); | |
655 | ||
656 | err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL); | |
657 | if (err) | |
658 | goto err_free_dev; | |
871043bc MG |
659 | |
660 | /* Set initial hardware state */ | |
661 | input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state()); | |
662 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
663 | hp_wmi_tablet_state()); | |
664 | input_sync(hp_wmi_input_dev); | |
665 | ||
f82bdd0d KE |
666 | if (hp_wmi_bios_2009_later() == 4) |
667 | hp_wmi_enable_hotkeys(); | |
668 | ||
4d291ed7 DT |
669 | status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL); |
670 | if (ACPI_FAILURE(status)) { | |
671 | err = -EIO; | |
672 | goto err_free_keymap; | |
62ec30d4 MG |
673 | } |
674 | ||
4d291ed7 DT |
675 | err = input_register_device(hp_wmi_input_dev); |
676 | if (err) | |
677 | goto err_uninstall_notifier; | |
678 | ||
62ec30d4 | 679 | return 0; |
4d291ed7 DT |
680 | |
681 | err_uninstall_notifier: | |
682 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
683 | err_free_keymap: | |
684 | sparse_keymap_free(hp_wmi_input_dev); | |
685 | err_free_dev: | |
686 | input_free_device(hp_wmi_input_dev); | |
687 | return err; | |
688 | } | |
689 | ||
690 | static void hp_wmi_input_destroy(void) | |
691 | { | |
692 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
693 | sparse_keymap_free(hp_wmi_input_dev); | |
694 | input_unregister_device(hp_wmi_input_dev); | |
62ec30d4 MG |
695 | } |
696 | ||
697 | static void cleanup_sysfs(struct platform_device *device) | |
698 | { | |
699 | device_remove_file(&device->dev, &dev_attr_display); | |
700 | device_remove_file(&device->dev, &dev_attr_hddtemp); | |
701 | device_remove_file(&device->dev, &dev_attr_als); | |
702 | device_remove_file(&device->dev, &dev_attr_dock); | |
871043bc | 703 | device_remove_file(&device->dev, &dev_attr_tablet); |
8667ca95 | 704 | device_remove_file(&device->dev, &dev_attr_postcode); |
62ec30d4 MG |
705 | } |
706 | ||
702ef542 | 707 | static int __init hp_wmi_rfkill_setup(struct platform_device *device) |
62ec30d4 MG |
708 | { |
709 | int err; | |
a8ec105c | 710 | int wireless = 0; |
6d96e00c | 711 | |
a8ec105c | 712 | err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless, |
c3021ea1 | 713 | sizeof(wireless), sizeof(wireless)); |
6d96e00c TR |
714 | if (err) |
715 | return err; | |
62ec30d4 | 716 | |
3f6e2f13 | 717 | if (wireless & 0x1) { |
19d337df JB |
718 | wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, |
719 | RFKILL_TYPE_WLAN, | |
720 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 721 | (void *) HPWMI_WIFI); |
dd258c00 DC |
722 | if (!wifi_rfkill) |
723 | return -ENOMEM; | |
e5fbba85 AJ |
724 | rfkill_init_sw_state(wifi_rfkill, |
725 | hp_wmi_get_sw_state(HPWMI_WIFI)); | |
726 | rfkill_set_hw_state(wifi_rfkill, | |
727 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
fe8e4e03 LF |
728 | err = rfkill_register(wifi_rfkill); |
729 | if (err) | |
19d337df | 730 | goto register_wifi_error; |
3f6e2f13 MG |
731 | } |
732 | ||
733 | if (wireless & 0x2) { | |
19d337df JB |
734 | bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev, |
735 | RFKILL_TYPE_BLUETOOTH, | |
736 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 737 | (void *) HPWMI_BLUETOOTH); |
dd258c00 DC |
738 | if (!bluetooth_rfkill) { |
739 | err = -ENOMEM; | |
740 | goto register_wifi_error; | |
741 | } | |
e5fbba85 AJ |
742 | rfkill_init_sw_state(bluetooth_rfkill, |
743 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH)); | |
744 | rfkill_set_hw_state(bluetooth_rfkill, | |
745 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
fe8e4e03 | 746 | err = rfkill_register(bluetooth_rfkill); |
6989d565 | 747 | if (err) |
fe8e4e03 | 748 | goto register_bluetooth_error; |
3f6e2f13 MG |
749 | } |
750 | ||
751 | if (wireless & 0x4) { | |
19d337df JB |
752 | wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev, |
753 | RFKILL_TYPE_WWAN, | |
754 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 755 | (void *) HPWMI_WWAN); |
dd258c00 DC |
756 | if (!wwan_rfkill) { |
757 | err = -ENOMEM; | |
5b5c2b3c | 758 | goto register_bluetooth_error; |
dd258c00 | 759 | } |
e5fbba85 AJ |
760 | rfkill_init_sw_state(wwan_rfkill, |
761 | hp_wmi_get_sw_state(HPWMI_WWAN)); | |
762 | rfkill_set_hw_state(wwan_rfkill, | |
763 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
fe8e4e03 LF |
764 | err = rfkill_register(wwan_rfkill); |
765 | if (err) | |
5b5c2b3c | 766 | goto register_wwan_error; |
3f6e2f13 | 767 | } |
62ec30d4 | 768 | |
4fca7ce3 TV |
769 | if (wireless & 0x8) { |
770 | gps_rfkill = rfkill_alloc("hp-gps", &device->dev, | |
771 | RFKILL_TYPE_GPS, | |
772 | &hp_wmi_rfkill_ops, | |
773 | (void *) HPWMI_GPS); | |
774 | if (!gps_rfkill) { | |
775 | err = -ENOMEM; | |
5b5c2b3c | 776 | goto register_wwan_error; |
4fca7ce3 TV |
777 | } |
778 | rfkill_init_sw_state(gps_rfkill, | |
779 | hp_wmi_get_sw_state(HPWMI_GPS)); | |
af1d486c | 780 | rfkill_set_hw_state(gps_rfkill, |
4fca7ce3 TV |
781 | hp_wmi_get_hw_state(HPWMI_GPS)); |
782 | err = rfkill_register(gps_rfkill); | |
783 | if (err) | |
784 | goto register_gps_error; | |
785 | } | |
786 | ||
62ec30d4 | 787 | return 0; |
4fca7ce3 TV |
788 | register_gps_error: |
789 | rfkill_destroy(gps_rfkill); | |
790 | gps_rfkill = NULL; | |
44f0606d AM |
791 | if (bluetooth_rfkill) |
792 | rfkill_unregister(bluetooth_rfkill); | |
5b5c2b3c KT |
793 | register_wwan_error: |
794 | rfkill_destroy(wwan_rfkill); | |
795 | wwan_rfkill = NULL; | |
796 | if (gps_rfkill) | |
797 | rfkill_unregister(gps_rfkill); | |
fe8e4e03 | 798 | register_bluetooth_error: |
19d337df | 799 | rfkill_destroy(bluetooth_rfkill); |
6d97db59 | 800 | bluetooth_rfkill = NULL; |
44f0606d AM |
801 | if (wifi_rfkill) |
802 | rfkill_unregister(wifi_rfkill); | |
19d337df JB |
803 | register_wifi_error: |
804 | rfkill_destroy(wifi_rfkill); | |
6d97db59 | 805 | wifi_rfkill = NULL; |
eceb7bdf AH |
806 | return err; |
807 | } | |
808 | ||
702ef542 | 809 | static int __init hp_wmi_rfkill2_setup(struct platform_device *device) |
c0b9c649 AH |
810 | { |
811 | int err, i; | |
812 | struct bios_rfkill2_state state; | |
813 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state, | |
814 | 0, sizeof(state)); | |
815 | if (err) | |
816 | return err; | |
817 | ||
818 | if (state.count > HPWMI_MAX_RFKILL2_DEVICES) { | |
b5a4223c | 819 | pr_warn("unable to parse 0x1b query output\n"); |
c0b9c649 AH |
820 | return -EINVAL; |
821 | } | |
822 | ||
823 | for (i = 0; i < state.count; i++) { | |
824 | struct rfkill *rfkill; | |
825 | enum rfkill_type type; | |
826 | char *name; | |
827 | switch (state.device[i].radio_type) { | |
828 | case HPWMI_WIFI: | |
829 | type = RFKILL_TYPE_WLAN; | |
830 | name = "hp-wifi"; | |
831 | break; | |
832 | case HPWMI_BLUETOOTH: | |
833 | type = RFKILL_TYPE_BLUETOOTH; | |
834 | name = "hp-bluetooth"; | |
835 | break; | |
836 | case HPWMI_WWAN: | |
837 | type = RFKILL_TYPE_WWAN; | |
838 | name = "hp-wwan"; | |
839 | break; | |
4fca7ce3 TV |
840 | case HPWMI_GPS: |
841 | type = RFKILL_TYPE_GPS; | |
842 | name = "hp-gps"; | |
843 | break; | |
c0b9c649 | 844 | default: |
b5a4223c JP |
845 | pr_warn("unknown device type 0x%x\n", |
846 | state.device[i].radio_type); | |
c0b9c649 AH |
847 | continue; |
848 | } | |
849 | ||
850 | if (!state.device[i].vendor_id) { | |
b5a4223c JP |
851 | pr_warn("zero device %d while %d reported\n", |
852 | i, state.count); | |
c0b9c649 AH |
853 | continue; |
854 | } | |
855 | ||
856 | rfkill = rfkill_alloc(name, &device->dev, type, | |
857 | &hp_wmi_rfkill2_ops, (void *)(long)i); | |
858 | if (!rfkill) { | |
859 | err = -ENOMEM; | |
860 | goto fail; | |
861 | } | |
862 | ||
863 | rfkill2[rfkill2_count].id = state.device[i].rfkill_id; | |
864 | rfkill2[rfkill2_count].num = i; | |
865 | rfkill2[rfkill2_count].rfkill = rfkill; | |
866 | ||
867 | rfkill_init_sw_state(rfkill, | |
868 | IS_SWBLOCKED(state.device[i].power)); | |
869 | rfkill_set_hw_state(rfkill, | |
870 | IS_HWBLOCKED(state.device[i].power)); | |
871 | ||
872 | if (!(state.device[i].power & HPWMI_POWER_BIOS)) | |
b5a4223c | 873 | pr_info("device %s blocked by BIOS\n", name); |
c0b9c649 AH |
874 | |
875 | err = rfkill_register(rfkill); | |
876 | if (err) { | |
877 | rfkill_destroy(rfkill); | |
878 | goto fail; | |
879 | } | |
880 | ||
881 | rfkill2_count++; | |
882 | } | |
883 | ||
884 | return 0; | |
885 | fail: | |
886 | for (; rfkill2_count > 0; rfkill2_count--) { | |
887 | rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill); | |
888 | rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill); | |
889 | } | |
890 | return err; | |
891 | } | |
892 | ||
c165b80c | 893 | static int __init hp_wmi_bios_setup(struct platform_device *device) |
eceb7bdf AH |
894 | { |
895 | int err; | |
896 | ||
6d97db59 AH |
897 | /* clear detected rfkill devices */ |
898 | wifi_rfkill = NULL; | |
899 | bluetooth_rfkill = NULL; | |
900 | wwan_rfkill = NULL; | |
4fca7ce3 | 901 | gps_rfkill = NULL; |
c0b9c649 | 902 | rfkill2_count = 0; |
6d97db59 | 903 | |
997daa1b | 904 | if (hp_wmi_bios_2009_later() || hp_wmi_rfkill_setup(device)) |
c0b9c649 | 905 | hp_wmi_rfkill2_setup(device); |
eceb7bdf AH |
906 | |
907 | err = device_create_file(&device->dev, &dev_attr_display); | |
908 | if (err) | |
909 | goto add_sysfs_error; | |
910 | err = device_create_file(&device->dev, &dev_attr_hddtemp); | |
911 | if (err) | |
912 | goto add_sysfs_error; | |
913 | err = device_create_file(&device->dev, &dev_attr_als); | |
914 | if (err) | |
915 | goto add_sysfs_error; | |
916 | err = device_create_file(&device->dev, &dev_attr_dock); | |
917 | if (err) | |
918 | goto add_sysfs_error; | |
919 | err = device_create_file(&device->dev, &dev_attr_tablet); | |
8667ca95 AH |
920 | if (err) |
921 | goto add_sysfs_error; | |
922 | err = device_create_file(&device->dev, &dev_attr_postcode); | |
eceb7bdf AH |
923 | if (err) |
924 | goto add_sysfs_error; | |
925 | return 0; | |
926 | ||
62ec30d4 MG |
927 | add_sysfs_error: |
928 | cleanup_sysfs(device); | |
929 | return err; | |
930 | } | |
931 | ||
932 | static int __exit hp_wmi_bios_remove(struct platform_device *device) | |
933 | { | |
c0b9c649 | 934 | int i; |
62ec30d4 MG |
935 | cleanup_sysfs(device); |
936 | ||
c0b9c649 AH |
937 | for (i = 0; i < rfkill2_count; i++) { |
938 | rfkill_unregister(rfkill2[i].rfkill); | |
939 | rfkill_destroy(rfkill2[i].rfkill); | |
940 | } | |
941 | ||
19d337df | 942 | if (wifi_rfkill) { |
3f6e2f13 | 943 | rfkill_unregister(wifi_rfkill); |
19d337df JB |
944 | rfkill_destroy(wifi_rfkill); |
945 | } | |
946 | if (bluetooth_rfkill) { | |
3f6e2f13 | 947 | rfkill_unregister(bluetooth_rfkill); |
09729f0b | 948 | rfkill_destroy(bluetooth_rfkill); |
19d337df JB |
949 | } |
950 | if (wwan_rfkill) { | |
3f6e2f13 | 951 | rfkill_unregister(wwan_rfkill); |
19d337df JB |
952 | rfkill_destroy(wwan_rfkill); |
953 | } | |
4fca7ce3 TV |
954 | if (gps_rfkill) { |
955 | rfkill_unregister(gps_rfkill); | |
956 | rfkill_destroy(gps_rfkill); | |
957 | } | |
62ec30d4 MG |
958 | |
959 | return 0; | |
960 | } | |
961 | ||
8dd2b426 | 962 | static int hp_wmi_resume_handler(struct device *device) |
4c395bdd | 963 | { |
4c395bdd | 964 | /* |
871043bc MG |
965 | * Hardware state may have changed while suspended, so trigger |
966 | * input events for the current state. As this is a switch, | |
4c395bdd FP |
967 | * the input layer will only actually pass it on if the state |
968 | * changed. | |
969 | */ | |
daed9537 FP |
970 | if (hp_wmi_input_dev) { |
971 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
972 | hp_wmi_dock_state()); | |
973 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
974 | hp_wmi_tablet_state()); | |
975 | input_sync(hp_wmi_input_dev); | |
976 | } | |
4c395bdd | 977 | |
c0b9c649 AH |
978 | if (rfkill2_count) |
979 | hp_wmi_rfkill2_refresh(); | |
980 | ||
e5fbba85 AJ |
981 | if (wifi_rfkill) |
982 | rfkill_set_states(wifi_rfkill, | |
983 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
984 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
985 | if (bluetooth_rfkill) | |
986 | rfkill_set_states(bluetooth_rfkill, | |
987 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
988 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
989 | if (wwan_rfkill) | |
990 | rfkill_set_states(wwan_rfkill, | |
991 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
992 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
4fca7ce3 TV |
993 | if (gps_rfkill) |
994 | rfkill_set_states(gps_rfkill, | |
995 | hp_wmi_get_sw_state(HPWMI_GPS), | |
996 | hp_wmi_get_hw_state(HPWMI_GPS)); | |
e5fbba85 | 997 | |
4c395bdd FP |
998 | return 0; |
999 | } | |
1000 | ||
c165b80c DT |
1001 | static const struct dev_pm_ops hp_wmi_pm_ops = { |
1002 | .resume = hp_wmi_resume_handler, | |
1003 | .restore = hp_wmi_resume_handler, | |
1004 | }; | |
1005 | ||
1006 | static struct platform_driver hp_wmi_driver = { | |
1007 | .driver = { | |
1008 | .name = "hp-wmi", | |
c165b80c DT |
1009 | .pm = &hp_wmi_pm_ops, |
1010 | }, | |
1011 | .remove = __exit_p(hp_wmi_bios_remove), | |
1012 | }; | |
1013 | ||
62ec30d4 MG |
1014 | static int __init hp_wmi_init(void) |
1015 | { | |
1016 | int err; | |
b096667b TR |
1017 | int event_capable = wmi_has_guid(HPWMI_EVENT_GUID); |
1018 | int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID); | |
62ec30d4 | 1019 | |
c165b80c DT |
1020 | if (!bios_capable && !event_capable) |
1021 | return -ENODEV; | |
1022 | ||
b096667b | 1023 | if (event_capable) { |
dfec5c48 | 1024 | err = hp_wmi_input_setup(); |
4d291ed7 | 1025 | if (err) |
dfec5c48 | 1026 | return err; |
62ec30d4 MG |
1027 | } |
1028 | ||
b096667b | 1029 | if (bios_capable) { |
c165b80c DT |
1030 | hp_wmi_platform_dev = |
1031 | platform_device_register_simple("hp-wmi", -1, NULL, 0); | |
1032 | if (IS_ERR(hp_wmi_platform_dev)) { | |
1033 | err = PTR_ERR(hp_wmi_platform_dev); | |
1034 | goto err_destroy_input; | |
62ec30d4 | 1035 | } |
c165b80c DT |
1036 | |
1037 | err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup); | |
dfec5c48 | 1038 | if (err) |
c165b80c | 1039 | goto err_unregister_device; |
62ec30d4 MG |
1040 | } |
1041 | ||
1042 | return 0; | |
dfec5c48 | 1043 | |
c165b80c DT |
1044 | err_unregister_device: |
1045 | platform_device_unregister(hp_wmi_platform_dev); | |
1046 | err_destroy_input: | |
4d291ed7 DT |
1047 | if (event_capable) |
1048 | hp_wmi_input_destroy(); | |
dfec5c48 AL |
1049 | |
1050 | return err; | |
62ec30d4 | 1051 | } |
c165b80c | 1052 | module_init(hp_wmi_init); |
62ec30d4 MG |
1053 | |
1054 | static void __exit hp_wmi_exit(void) | |
1055 | { | |
4d291ed7 DT |
1056 | if (wmi_has_guid(HPWMI_EVENT_GUID)) |
1057 | hp_wmi_input_destroy(); | |
1058 | ||
62ec30d4 | 1059 | if (hp_wmi_platform_dev) { |
97ba0af0 | 1060 | platform_device_unregister(hp_wmi_platform_dev); |
62ec30d4 MG |
1061 | platform_driver_unregister(&hp_wmi_driver); |
1062 | } | |
1063 | } | |
62ec30d4 | 1064 | module_exit(hp_wmi_exit); |