Commit | Line | Data |
---|---|---|
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 |
8a1513b4 | 57 | #define HPWMI_FEATURE_QUERY 0xb |
a8823aef | 58 | #define HPWMI_HOTKEY_QUERY 0xc |
8a1513b4 | 59 | #define HPWMI_FEATURE2_QUERY 0xd |
c0b9c649 | 60 | #define HPWMI_WIRELESS2_QUERY 0x1b |
8667ca95 | 61 | #define HPWMI_POSTCODEERROR_QUERY 0x2a |
62ec30d4 | 62 | |
e5fbba85 AJ |
63 | enum hp_wmi_radio { |
64 | HPWMI_WIFI = 0, | |
65 | HPWMI_BLUETOOTH = 1, | |
66 | HPWMI_WWAN = 2, | |
4fca7ce3 | 67 | HPWMI_GPS = 3, |
e5fbba85 AJ |
68 | }; |
69 | ||
751ae808 TR |
70 | enum hp_wmi_event_ids { |
71 | HPWMI_DOCK_EVENT = 1, | |
1bbdfd59 TR |
72 | HPWMI_PARK_HDD = 2, |
73 | HPWMI_SMART_ADAPTER = 3, | |
751ae808 TR |
74 | HPWMI_BEZEL_BUTTON = 4, |
75 | HPWMI_WIRELESS = 5, | |
1bbdfd59 TR |
76 | HPWMI_CPU_BATTERY_THROTTLE = 6, |
77 | HPWMI_LOCK_SWITCH = 7, | |
d9e290a0 AH |
78 | HPWMI_LID_SWITCH = 8, |
79 | HPWMI_SCREEN_ROTATION = 9, | |
80 | HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A, | |
81 | HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B, | |
82 | HPWMI_PROXIMITY_SENSOR = 0x0C, | |
83 | HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D, | |
84 | HPWMI_PEAKSHIFT_PERIOD = 0x0F, | |
85 | HPWMI_BATTERY_CHARGE_PERIOD = 0x10, | |
751ae808 TR |
86 | }; |
87 | ||
62ec30d4 MG |
88 | struct bios_args { |
89 | u32 signature; | |
90 | u32 command; | |
91 | u32 commandtype; | |
92 | u32 datasize; | |
a8ec105c | 93 | u32 data; |
62ec30d4 MG |
94 | }; |
95 | ||
96 | struct bios_return { | |
97 | u32 sigpass; | |
98 | u32 return_code; | |
62ec30d4 MG |
99 | }; |
100 | ||
9af0e0fb AH |
101 | enum hp_return_value { |
102 | HPWMI_RET_WRONG_SIGNATURE = 0x02, | |
103 | HPWMI_RET_UNKNOWN_COMMAND = 0x03, | |
104 | HPWMI_RET_UNKNOWN_CMDTYPE = 0x04, | |
105 | HPWMI_RET_INVALID_PARAMETERS = 0x05, | |
106 | }; | |
107 | ||
c0b9c649 AH |
108 | enum hp_wireless2_bits { |
109 | HPWMI_POWER_STATE = 0x01, | |
110 | HPWMI_POWER_SOFT = 0x02, | |
111 | HPWMI_POWER_BIOS = 0x04, | |
112 | HPWMI_POWER_HARD = 0x08, | |
113 | }; | |
114 | ||
115 | #define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \ | |
116 | != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) | |
117 | #define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT) | |
118 | ||
119 | struct bios_rfkill2_device_state { | |
120 | u8 radio_type; | |
121 | u8 bus_type; | |
122 | u16 vendor_id; | |
123 | u16 product_id; | |
124 | u16 subsys_vendor_id; | |
125 | u16 subsys_product_id; | |
126 | u8 rfkill_id; | |
127 | u8 power; | |
128 | u8 unknown[4]; | |
129 | }; | |
130 | ||
131 | /* 7 devices fit into the 128 byte buffer */ | |
132 | #define HPWMI_MAX_RFKILL2_DEVICES 7 | |
133 | ||
134 | struct bios_rfkill2_state { | |
135 | u8 unknown[7]; | |
136 | u8 count; | |
137 | u8 pad[8]; | |
138 | struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES]; | |
139 | }; | |
140 | ||
4d291ed7 DT |
141 | static const struct key_entry hp_wmi_keymap[] = { |
142 | { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } }, | |
143 | { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } }, | |
144 | { KE_KEY, 0x20e6, { KEY_PROG1 } }, | |
145 | { KE_KEY, 0x20e8, { KEY_MEDIA } }, | |
146 | { KE_KEY, 0x2142, { KEY_MEDIA } }, | |
147 | { KE_KEY, 0x213b, { KEY_INFO } }, | |
e92865ed | 148 | { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } }, |
f82bdd0d | 149 | { KE_KEY, 0x216a, { KEY_SETUP } }, |
4d291ed7 DT |
150 | { KE_KEY, 0x231b, { KEY_HELP } }, |
151 | { KE_END, 0 } | |
62ec30d4 MG |
152 | }; |
153 | ||
154 | static struct input_dev *hp_wmi_input_dev; | |
155 | static struct platform_device *hp_wmi_platform_dev; | |
156 | ||
157 | static struct rfkill *wifi_rfkill; | |
158 | static struct rfkill *bluetooth_rfkill; | |
159 | static struct rfkill *wwan_rfkill; | |
4fca7ce3 | 160 | static struct rfkill *gps_rfkill; |
62ec30d4 | 161 | |
c0b9c649 AH |
162 | struct rfkill2_device { |
163 | u8 id; | |
164 | int num; | |
165 | struct rfkill *rfkill; | |
166 | }; | |
167 | ||
168 | static int rfkill2_count; | |
169 | static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES]; | |
170 | ||
6d96e00c TR |
171 | /* |
172 | * hp_wmi_perform_query | |
173 | * | |
174 | * query: The commandtype -> What should be queried | |
175 | * write: The command -> 0 read, 1 write, 3 ODM specific | |
176 | * buffer: Buffer used as input and/or output | |
c3021ea1 AH |
177 | * insize: Size of input buffer |
178 | * outsize: Size of output buffer | |
6d96e00c TR |
179 | * |
180 | * returns zero on success | |
181 | * an HP WMI query specific error code (which is positive) | |
182 | * -EINVAL if the query was not successful at all | |
183 | * -EINVAL if the output buffer size exceeds buffersize | |
184 | * | |
185 | * Note: The buffersize must at least be the maximum of the input and output | |
186 | * size. E.g. Battery info query (0x7) is defined to have 1 byte input | |
187 | * and 128 byte output. The caller would do: | |
188 | * buffer = kzalloc(128, GFP_KERNEL); | |
c3021ea1 | 189 | * ret = hp_wmi_perform_query(0x7, 0, buffer, 1, 128) |
6d96e00c | 190 | */ |
c3021ea1 AH |
191 | static int hp_wmi_perform_query(int query, int write, void *buffer, |
192 | int insize, int outsize) | |
62ec30d4 | 193 | { |
c3021ea1 AH |
194 | struct bios_return *bios_return; |
195 | int actual_outsize; | |
62ec30d4 MG |
196 | union acpi_object *obj; |
197 | struct bios_args args = { | |
198 | .signature = 0x55434553, | |
199 | .command = write ? 0x2 : 0x1, | |
200 | .commandtype = query, | |
c3021ea1 AH |
201 | .datasize = insize, |
202 | .data = 0, | |
62ec30d4 MG |
203 | }; |
204 | struct acpi_buffer input = { sizeof(struct bios_args), &args }; | |
205 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
0401846c | 206 | u32 rc; |
62ec30d4 | 207 | |
c3021ea1 AH |
208 | if (WARN_ON(insize > sizeof(args.data))) |
209 | return -EINVAL; | |
210 | memcpy(&args.data, buffer, insize); | |
211 | ||
25bb067a | 212 | wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output); |
62ec30d4 MG |
213 | |
214 | obj = output.pointer; | |
215 | ||
44ef00e6 | 216 | if (!obj) |
62ec30d4 | 217 | return -EINVAL; |
44ef00e6 TR |
218 | else if (obj->type != ACPI_TYPE_BUFFER) { |
219 | kfree(obj); | |
220 | return -EINVAL; | |
221 | } | |
62ec30d4 | 222 | |
c3021ea1 | 223 | bios_return = (struct bios_return *)obj->buffer.pointer; |
0401846c | 224 | rc = bios_return->return_code; |
6d96e00c | 225 | |
0401846c ED |
226 | if (rc) { |
227 | if (rc != HPWMI_RET_UNKNOWN_CMDTYPE) | |
228 | pr_warn("query 0x%x returned error 0x%x\n", query, rc); | |
9af0e0fb | 229 | kfree(obj); |
0401846c | 230 | return rc; |
9af0e0fb AH |
231 | } |
232 | ||
c3021ea1 AH |
233 | if (!outsize) { |
234 | /* ignore output data */ | |
235 | kfree(obj); | |
236 | return 0; | |
237 | } | |
53c96dfd | 238 | |
c3021ea1 AH |
239 | actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return))); |
240 | memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize); | |
241 | memset(buffer + actual_outsize, 0, outsize - actual_outsize); | |
53c96dfd | 242 | kfree(obj); |
6d96e00c | 243 | return 0; |
62ec30d4 MG |
244 | } |
245 | ||
246 | static int hp_wmi_display_state(void) | |
247 | { | |
a8ec105c MG |
248 | int state = 0; |
249 | int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state, | |
c3021ea1 | 250 | sizeof(state), sizeof(state)); |
6d96e00c TR |
251 | if (ret) |
252 | return -EINVAL; | |
253 | return state; | |
62ec30d4 MG |
254 | } |
255 | ||
256 | static int hp_wmi_hddtemp_state(void) | |
257 | { | |
a8ec105c MG |
258 | int state = 0; |
259 | int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state, | |
c3021ea1 | 260 | sizeof(state), sizeof(state)); |
6d96e00c TR |
261 | if (ret) |
262 | return -EINVAL; | |
263 | return state; | |
62ec30d4 MG |
264 | } |
265 | ||
266 | static int hp_wmi_als_state(void) | |
267 | { | |
a8ec105c MG |
268 | int state = 0; |
269 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state, | |
c3021ea1 | 270 | sizeof(state), sizeof(state)); |
6d96e00c TR |
271 | if (ret) |
272 | return -EINVAL; | |
273 | return state; | |
62ec30d4 MG |
274 | } |
275 | ||
276 | static int hp_wmi_dock_state(void) | |
277 | { | |
a8ec105c MG |
278 | int state = 0; |
279 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, | |
c3021ea1 | 280 | sizeof(state), sizeof(state)); |
62ec30d4 | 281 | |
6d96e00c TR |
282 | if (ret) |
283 | return -EINVAL; | |
871043bc | 284 | |
6d96e00c | 285 | return state & 0x1; |
62ec30d4 MG |
286 | } |
287 | ||
871043bc | 288 | static int hp_wmi_tablet_state(void) |
62ec30d4 | 289 | { |
a8ec105c MG |
290 | int state = 0; |
291 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, | |
c3021ea1 | 292 | sizeof(state), sizeof(state)); |
6d96e00c | 293 | if (ret) |
871043bc MG |
294 | return ret; |
295 | ||
6d96e00c | 296 | return (state & 0x4) ? 1 : 0; |
62ec30d4 MG |
297 | } |
298 | ||
8a1513b4 | 299 | static int __init hp_wmi_bios_2008_later(void) |
997daa1b AH |
300 | { |
301 | int state = 0; | |
302 | int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state, | |
303 | sizeof(state), sizeof(state)); | |
8a1513b4 KE |
304 | if (!ret) |
305 | return 1; | |
997daa1b | 306 | |
8a1513b4 | 307 | return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; |
997daa1b AH |
308 | } |
309 | ||
8a1513b4 | 310 | static int __init hp_wmi_bios_2009_later(void) |
f82bdd0d | 311 | { |
8a1513b4 KE |
312 | int state = 0; |
313 | int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, 0, &state, | |
314 | sizeof(state), sizeof(state)); | |
315 | if (!ret) | |
316 | return 1; | |
f82bdd0d | 317 | |
8a1513b4 KE |
318 | return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; |
319 | } | |
f82bdd0d | 320 | |
8a1513b4 KE |
321 | static int __init hp_wmi_enable_hotkeys(void) |
322 | { | |
323 | int value = 0x6e; | |
324 | int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &value, | |
325 | sizeof(value), 0); | |
f82bdd0d KE |
326 | if (ret) |
327 | return -EINVAL; | |
328 | return 0; | |
329 | } | |
330 | ||
19d337df | 331 | static int hp_wmi_set_block(void *data, bool blocked) |
62ec30d4 | 332 | { |
e5fbba85 AJ |
333 | enum hp_wmi_radio r = (enum hp_wmi_radio) data; |
334 | int query = BIT(r + 8) | ((!blocked) << r); | |
6d96e00c | 335 | int ret; |
62ec30d4 | 336 | |
6d96e00c | 337 | ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, |
c3021ea1 | 338 | &query, sizeof(query), 0); |
6d96e00c TR |
339 | if (ret) |
340 | return -EINVAL; | |
341 | return 0; | |
62ec30d4 MG |
342 | } |
343 | ||
19d337df JB |
344 | static const struct rfkill_ops hp_wmi_rfkill_ops = { |
345 | .set_block = hp_wmi_set_block, | |
346 | }; | |
62ec30d4 | 347 | |
e5fbba85 | 348 | static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) |
62ec30d4 | 349 | { |
a8ec105c | 350 | int wireless = 0; |
6d96e00c TR |
351 | int mask; |
352 | hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, | |
c3021ea1 AH |
353 | &wireless, sizeof(wireless), |
354 | sizeof(wireless)); | |
6d96e00c TR |
355 | /* TBD: Pass error */ |
356 | ||
357 | mask = 0x200 << (r * 8); | |
62ec30d4 | 358 | |
e5fbba85 | 359 | if (wireless & mask) |
19d337df | 360 | return false; |
62ec30d4 | 361 | else |
19d337df | 362 | return true; |
62ec30d4 MG |
363 | } |
364 | ||
e5fbba85 | 365 | static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) |
62ec30d4 | 366 | { |
a8ec105c | 367 | int wireless = 0; |
6d96e00c TR |
368 | int mask; |
369 | hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, | |
c3021ea1 AH |
370 | &wireless, sizeof(wireless), |
371 | sizeof(wireless)); | |
6d96e00c TR |
372 | /* TBD: Pass error */ |
373 | ||
374 | mask = 0x800 << (r * 8); | |
62ec30d4 | 375 | |
e5fbba85 | 376 | if (wireless & mask) |
19d337df | 377 | return false; |
62ec30d4 | 378 | else |
19d337df | 379 | return true; |
62ec30d4 MG |
380 | } |
381 | ||
c0b9c649 AH |
382 | static int hp_wmi_rfkill2_set_block(void *data, bool blocked) |
383 | { | |
384 | int rfkill_id = (int)(long)data; | |
385 | char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked }; | |
386 | ||
387 | if (hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 1, | |
388 | buffer, sizeof(buffer), 0)) | |
389 | return -EINVAL; | |
390 | return 0; | |
391 | } | |
392 | ||
393 | static const struct rfkill_ops hp_wmi_rfkill2_ops = { | |
394 | .set_block = hp_wmi_rfkill2_set_block, | |
395 | }; | |
396 | ||
397 | static int hp_wmi_rfkill2_refresh(void) | |
398 | { | |
399 | int err, i; | |
400 | struct bios_rfkill2_state state; | |
401 | ||
402 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state, | |
403 | 0, sizeof(state)); | |
404 | if (err) | |
405 | return err; | |
406 | ||
407 | for (i = 0; i < rfkill2_count; i++) { | |
408 | int num = rfkill2[i].num; | |
409 | struct bios_rfkill2_device_state *devstate; | |
410 | devstate = &state.device[num]; | |
411 | ||
412 | if (num >= state.count || | |
413 | devstate->rfkill_id != rfkill2[i].id) { | |
b5a4223c | 414 | pr_warn("power configuration of the wireless devices unexpectedly changed\n"); |
c0b9c649 AH |
415 | continue; |
416 | } | |
417 | ||
418 | rfkill_set_states(rfkill2[i].rfkill, | |
419 | IS_SWBLOCKED(devstate->power), | |
420 | IS_HWBLOCKED(devstate->power)); | |
421 | } | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
8667ca95 AH |
426 | static int hp_wmi_post_code_state(void) |
427 | { | |
428 | int state = 0; | |
429 | int ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 0, &state, | |
430 | sizeof(state), sizeof(state)); | |
431 | if (ret) | |
432 | return -EINVAL; | |
433 | return state; | |
434 | } | |
435 | ||
62ec30d4 MG |
436 | static ssize_t show_display(struct device *dev, struct device_attribute *attr, |
437 | char *buf) | |
438 | { | |
439 | int value = hp_wmi_display_state(); | |
440 | if (value < 0) | |
441 | return -EINVAL; | |
442 | return sprintf(buf, "%d\n", value); | |
443 | } | |
444 | ||
445 | static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr, | |
446 | char *buf) | |
447 | { | |
448 | int value = hp_wmi_hddtemp_state(); | |
449 | if (value < 0) | |
450 | return -EINVAL; | |
451 | return sprintf(buf, "%d\n", value); | |
452 | } | |
453 | ||
454 | static ssize_t show_als(struct device *dev, struct device_attribute *attr, | |
455 | char *buf) | |
456 | { | |
457 | int value = hp_wmi_als_state(); | |
458 | if (value < 0) | |
459 | return -EINVAL; | |
460 | return sprintf(buf, "%d\n", value); | |
461 | } | |
462 | ||
463 | static ssize_t show_dock(struct device *dev, struct device_attribute *attr, | |
464 | char *buf) | |
465 | { | |
466 | int value = hp_wmi_dock_state(); | |
467 | if (value < 0) | |
468 | return -EINVAL; | |
469 | return sprintf(buf, "%d\n", value); | |
470 | } | |
471 | ||
871043bc MG |
472 | static ssize_t show_tablet(struct device *dev, struct device_attribute *attr, |
473 | char *buf) | |
474 | { | |
475 | int value = hp_wmi_tablet_state(); | |
476 | if (value < 0) | |
477 | return -EINVAL; | |
478 | return sprintf(buf, "%d\n", value); | |
479 | } | |
480 | ||
8667ca95 AH |
481 | static ssize_t show_postcode(struct device *dev, struct device_attribute *attr, |
482 | char *buf) | |
483 | { | |
484 | /* Get the POST error code of previous boot failure. */ | |
485 | int value = hp_wmi_post_code_state(); | |
486 | if (value < 0) | |
487 | return -EINVAL; | |
488 | return sprintf(buf, "0x%x\n", value); | |
489 | } | |
490 | ||
62ec30d4 MG |
491 | static ssize_t set_als(struct device *dev, struct device_attribute *attr, |
492 | const char *buf, size_t count) | |
493 | { | |
494 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
a8ec105c | 495 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp, |
c3021ea1 | 496 | sizeof(tmp), sizeof(tmp)); |
6d96e00c TR |
497 | if (ret) |
498 | return -EINVAL; | |
499 | ||
62ec30d4 MG |
500 | return count; |
501 | } | |
502 | ||
8667ca95 AH |
503 | static ssize_t set_postcode(struct device *dev, struct device_attribute *attr, |
504 | const char *buf, size_t count) | |
505 | { | |
506 | int ret; | |
507 | u32 tmp; | |
508 | long unsigned int tmp2; | |
509 | ||
510 | ret = kstrtoul(buf, 10, &tmp2); | |
511 | if (ret || tmp2 != 1) | |
512 | return -EINVAL; | |
513 | ||
514 | /* Clear the POST error code. It is kept until until cleared. */ | |
515 | tmp = (u32) tmp2; | |
516 | ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, 1, &tmp, | |
517 | sizeof(tmp), sizeof(tmp)); | |
518 | if (ret) | |
519 | return -EINVAL; | |
520 | ||
521 | return count; | |
522 | } | |
523 | ||
62ec30d4 MG |
524 | static DEVICE_ATTR(display, S_IRUGO, show_display, NULL); |
525 | static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL); | |
526 | static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als); | |
527 | static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL); | |
871043bc | 528 | static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL); |
8667ca95 | 529 | static DEVICE_ATTR(postcode, S_IRUGO | S_IWUSR, show_postcode, set_postcode); |
62ec30d4 | 530 | |
88429a10 | 531 | static void hp_wmi_notify(u32 value, void *context) |
62ec30d4 MG |
532 | { |
533 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
62ec30d4 | 534 | union acpi_object *obj; |
8dda6b04 | 535 | u32 event_id, event_data; |
a8ec105c | 536 | int key_code = 0, ret; |
8dda6b04 | 537 | u32 *location; |
fda11e61 | 538 | acpi_status status; |
62ec30d4 | 539 | |
fda11e61 LB |
540 | status = wmi_get_event_data(value, &response); |
541 | if (status != AE_OK) { | |
b5a4223c | 542 | pr_info("bad event status 0x%x\n", status); |
fda11e61 LB |
543 | return; |
544 | } | |
62ec30d4 MG |
545 | |
546 | obj = (union acpi_object *)response.pointer; | |
547 | ||
c4775062 TR |
548 | if (!obj) |
549 | return; | |
550 | if (obj->type != ACPI_TYPE_BUFFER) { | |
b5a4223c | 551 | pr_info("Unknown response received %d\n", obj->type); |
44ef00e6 | 552 | kfree(obj); |
e5fbba85 AJ |
553 | return; |
554 | } | |
555 | ||
8dda6b04 TR |
556 | /* |
557 | * Depending on ACPI version the concatenation of id and event data | |
558 | * inside _WED function will result in a 8 or 16 byte buffer. | |
559 | */ | |
560 | location = (u32 *)obj->buffer.pointer; | |
561 | if (obj->buffer.length == 8) { | |
562 | event_id = *location; | |
563 | event_data = *(location + 1); | |
564 | } else if (obj->buffer.length == 16) { | |
565 | event_id = *location; | |
566 | event_data = *(location + 2); | |
567 | } else { | |
b5a4223c | 568 | pr_info("Unknown buffer length %d\n", obj->buffer.length); |
8dda6b04 TR |
569 | kfree(obj); |
570 | return; | |
571 | } | |
44ef00e6 | 572 | kfree(obj); |
8dda6b04 TR |
573 | |
574 | switch (event_id) { | |
751ae808 | 575 | case HPWMI_DOCK_EVENT: |
e5fbba85 AJ |
576 | input_report_switch(hp_wmi_input_dev, SW_DOCK, |
577 | hp_wmi_dock_state()); | |
578 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
579 | hp_wmi_tablet_state()); | |
580 | input_sync(hp_wmi_input_dev); | |
751ae808 | 581 | break; |
1bbdfd59 TR |
582 | case HPWMI_PARK_HDD: |
583 | break; | |
584 | case HPWMI_SMART_ADAPTER: | |
585 | break; | |
751ae808 | 586 | case HPWMI_BEZEL_BUTTON: |
6d96e00c | 587 | ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, |
a8ec105c | 588 | &key_code, |
c3021ea1 | 589 | sizeof(key_code), |
6d96e00c TR |
590 | sizeof(key_code)); |
591 | if (ret) | |
592 | break; | |
4d291ed7 DT |
593 | |
594 | if (!sparse_keymap_report_event(hp_wmi_input_dev, | |
595 | key_code, 1, true)) | |
b5a4223c | 596 | pr_info("Unknown key code - 0x%x\n", key_code); |
751ae808 TR |
597 | break; |
598 | case HPWMI_WIRELESS: | |
c0b9c649 AH |
599 | if (rfkill2_count) { |
600 | hp_wmi_rfkill2_refresh(); | |
601 | break; | |
602 | } | |
603 | ||
e5fbba85 AJ |
604 | if (wifi_rfkill) |
605 | rfkill_set_states(wifi_rfkill, | |
606 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
607 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
608 | if (bluetooth_rfkill) | |
609 | rfkill_set_states(bluetooth_rfkill, | |
610 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
611 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
612 | if (wwan_rfkill) | |
613 | rfkill_set_states(wwan_rfkill, | |
614 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
615 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
4fca7ce3 TV |
616 | if (gps_rfkill) |
617 | rfkill_set_states(gps_rfkill, | |
618 | hp_wmi_get_sw_state(HPWMI_GPS), | |
619 | hp_wmi_get_hw_state(HPWMI_GPS)); | |
751ae808 | 620 | break; |
1bbdfd59 | 621 | case HPWMI_CPU_BATTERY_THROTTLE: |
b5a4223c | 622 | pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n"); |
1bbdfd59 TR |
623 | break; |
624 | case HPWMI_LOCK_SWITCH: | |
625 | break; | |
d9e290a0 AH |
626 | case HPWMI_LID_SWITCH: |
627 | break; | |
628 | case HPWMI_SCREEN_ROTATION: | |
629 | break; | |
630 | case HPWMI_COOLSENSE_SYSTEM_MOBILE: | |
631 | break; | |
632 | case HPWMI_COOLSENSE_SYSTEM_HOT: | |
633 | break; | |
634 | case HPWMI_PROXIMITY_SENSOR: | |
635 | break; | |
636 | case HPWMI_BACKLIT_KB_BRIGHTNESS: | |
637 | break; | |
638 | case HPWMI_PEAKSHIFT_PERIOD: | |
639 | break; | |
640 | case HPWMI_BATTERY_CHARGE_PERIOD: | |
641 | break; | |
751ae808 | 642 | default: |
b5a4223c | 643 | pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); |
751ae808 TR |
644 | break; |
645 | } | |
62ec30d4 MG |
646 | } |
647 | ||
648 | static int __init hp_wmi_input_setup(void) | |
649 | { | |
4d291ed7 | 650 | acpi_status status; |
62ec30d4 MG |
651 | int err; |
652 | ||
653 | hp_wmi_input_dev = input_allocate_device(); | |
bc28596a AL |
654 | if (!hp_wmi_input_dev) |
655 | return -ENOMEM; | |
62ec30d4 MG |
656 | |
657 | hp_wmi_input_dev->name = "HP WMI hotkeys"; | |
658 | hp_wmi_input_dev->phys = "wmi/input0"; | |
659 | hp_wmi_input_dev->id.bustype = BUS_HOST; | |
62ec30d4 | 660 | |
4d291ed7 DT |
661 | __set_bit(EV_SW, hp_wmi_input_dev->evbit); |
662 | __set_bit(SW_DOCK, hp_wmi_input_dev->swbit); | |
663 | __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); | |
664 | ||
665 | err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL); | |
666 | if (err) | |
667 | goto err_free_dev; | |
871043bc MG |
668 | |
669 | /* Set initial hardware state */ | |
670 | input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state()); | |
671 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
672 | hp_wmi_tablet_state()); | |
673 | input_sync(hp_wmi_input_dev); | |
674 | ||
8a1513b4 | 675 | if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later()) |
f82bdd0d KE |
676 | hp_wmi_enable_hotkeys(); |
677 | ||
4d291ed7 DT |
678 | status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL); |
679 | if (ACPI_FAILURE(status)) { | |
680 | err = -EIO; | |
681 | goto err_free_keymap; | |
62ec30d4 MG |
682 | } |
683 | ||
4d291ed7 DT |
684 | err = input_register_device(hp_wmi_input_dev); |
685 | if (err) | |
686 | goto err_uninstall_notifier; | |
687 | ||
62ec30d4 | 688 | return 0; |
4d291ed7 DT |
689 | |
690 | err_uninstall_notifier: | |
691 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
692 | err_free_keymap: | |
693 | sparse_keymap_free(hp_wmi_input_dev); | |
694 | err_free_dev: | |
695 | input_free_device(hp_wmi_input_dev); | |
696 | return err; | |
697 | } | |
698 | ||
699 | static void hp_wmi_input_destroy(void) | |
700 | { | |
701 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
702 | sparse_keymap_free(hp_wmi_input_dev); | |
703 | input_unregister_device(hp_wmi_input_dev); | |
62ec30d4 MG |
704 | } |
705 | ||
706 | static void cleanup_sysfs(struct platform_device *device) | |
707 | { | |
708 | device_remove_file(&device->dev, &dev_attr_display); | |
709 | device_remove_file(&device->dev, &dev_attr_hddtemp); | |
710 | device_remove_file(&device->dev, &dev_attr_als); | |
711 | device_remove_file(&device->dev, &dev_attr_dock); | |
871043bc | 712 | device_remove_file(&device->dev, &dev_attr_tablet); |
8667ca95 | 713 | device_remove_file(&device->dev, &dev_attr_postcode); |
62ec30d4 MG |
714 | } |
715 | ||
702ef542 | 716 | static int __init hp_wmi_rfkill_setup(struct platform_device *device) |
62ec30d4 MG |
717 | { |
718 | int err; | |
a8ec105c | 719 | int wireless = 0; |
6d96e00c | 720 | |
a8ec105c | 721 | err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless, |
c3021ea1 | 722 | sizeof(wireless), sizeof(wireless)); |
6d96e00c TR |
723 | if (err) |
724 | return err; | |
62ec30d4 | 725 | |
3f6e2f13 | 726 | if (wireless & 0x1) { |
19d337df JB |
727 | wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, |
728 | RFKILL_TYPE_WLAN, | |
729 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 730 | (void *) HPWMI_WIFI); |
dd258c00 DC |
731 | if (!wifi_rfkill) |
732 | return -ENOMEM; | |
e5fbba85 AJ |
733 | rfkill_init_sw_state(wifi_rfkill, |
734 | hp_wmi_get_sw_state(HPWMI_WIFI)); | |
735 | rfkill_set_hw_state(wifi_rfkill, | |
736 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
fe8e4e03 LF |
737 | err = rfkill_register(wifi_rfkill); |
738 | if (err) | |
19d337df | 739 | goto register_wifi_error; |
3f6e2f13 MG |
740 | } |
741 | ||
742 | if (wireless & 0x2) { | |
19d337df JB |
743 | bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev, |
744 | RFKILL_TYPE_BLUETOOTH, | |
745 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 746 | (void *) HPWMI_BLUETOOTH); |
dd258c00 DC |
747 | if (!bluetooth_rfkill) { |
748 | err = -ENOMEM; | |
749 | goto register_wifi_error; | |
750 | } | |
e5fbba85 AJ |
751 | rfkill_init_sw_state(bluetooth_rfkill, |
752 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH)); | |
753 | rfkill_set_hw_state(bluetooth_rfkill, | |
754 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
fe8e4e03 | 755 | err = rfkill_register(bluetooth_rfkill); |
6989d565 | 756 | if (err) |
fe8e4e03 | 757 | goto register_bluetooth_error; |
3f6e2f13 MG |
758 | } |
759 | ||
760 | if (wireless & 0x4) { | |
19d337df JB |
761 | wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev, |
762 | RFKILL_TYPE_WWAN, | |
763 | &hp_wmi_rfkill_ops, | |
e5fbba85 | 764 | (void *) HPWMI_WWAN); |
dd258c00 DC |
765 | if (!wwan_rfkill) { |
766 | err = -ENOMEM; | |
5b5c2b3c | 767 | goto register_bluetooth_error; |
dd258c00 | 768 | } |
e5fbba85 AJ |
769 | rfkill_init_sw_state(wwan_rfkill, |
770 | hp_wmi_get_sw_state(HPWMI_WWAN)); | |
771 | rfkill_set_hw_state(wwan_rfkill, | |
772 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
fe8e4e03 LF |
773 | err = rfkill_register(wwan_rfkill); |
774 | if (err) | |
5b5c2b3c | 775 | goto register_wwan_error; |
3f6e2f13 | 776 | } |
62ec30d4 | 777 | |
4fca7ce3 TV |
778 | if (wireless & 0x8) { |
779 | gps_rfkill = rfkill_alloc("hp-gps", &device->dev, | |
780 | RFKILL_TYPE_GPS, | |
781 | &hp_wmi_rfkill_ops, | |
782 | (void *) HPWMI_GPS); | |
783 | if (!gps_rfkill) { | |
784 | err = -ENOMEM; | |
5b5c2b3c | 785 | goto register_wwan_error; |
4fca7ce3 TV |
786 | } |
787 | rfkill_init_sw_state(gps_rfkill, | |
788 | hp_wmi_get_sw_state(HPWMI_GPS)); | |
af1d486c | 789 | rfkill_set_hw_state(gps_rfkill, |
4fca7ce3 TV |
790 | hp_wmi_get_hw_state(HPWMI_GPS)); |
791 | err = rfkill_register(gps_rfkill); | |
792 | if (err) | |
793 | goto register_gps_error; | |
794 | } | |
795 | ||
62ec30d4 | 796 | return 0; |
4fca7ce3 TV |
797 | register_gps_error: |
798 | rfkill_destroy(gps_rfkill); | |
799 | gps_rfkill = NULL; | |
44f0606d AM |
800 | if (bluetooth_rfkill) |
801 | rfkill_unregister(bluetooth_rfkill); | |
5b5c2b3c KT |
802 | register_wwan_error: |
803 | rfkill_destroy(wwan_rfkill); | |
804 | wwan_rfkill = NULL; | |
805 | if (gps_rfkill) | |
806 | rfkill_unregister(gps_rfkill); | |
fe8e4e03 | 807 | register_bluetooth_error: |
19d337df | 808 | rfkill_destroy(bluetooth_rfkill); |
6d97db59 | 809 | bluetooth_rfkill = NULL; |
44f0606d AM |
810 | if (wifi_rfkill) |
811 | rfkill_unregister(wifi_rfkill); | |
19d337df JB |
812 | register_wifi_error: |
813 | rfkill_destroy(wifi_rfkill); | |
6d97db59 | 814 | wifi_rfkill = NULL; |
eceb7bdf AH |
815 | return err; |
816 | } | |
817 | ||
702ef542 | 818 | static int __init hp_wmi_rfkill2_setup(struct platform_device *device) |
c0b9c649 AH |
819 | { |
820 | int err, i; | |
821 | struct bios_rfkill2_state state; | |
822 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state, | |
823 | 0, sizeof(state)); | |
824 | if (err) | |
825 | return err; | |
826 | ||
827 | if (state.count > HPWMI_MAX_RFKILL2_DEVICES) { | |
b5a4223c | 828 | pr_warn("unable to parse 0x1b query output\n"); |
c0b9c649 AH |
829 | return -EINVAL; |
830 | } | |
831 | ||
832 | for (i = 0; i < state.count; i++) { | |
833 | struct rfkill *rfkill; | |
834 | enum rfkill_type type; | |
835 | char *name; | |
836 | switch (state.device[i].radio_type) { | |
837 | case HPWMI_WIFI: | |
838 | type = RFKILL_TYPE_WLAN; | |
839 | name = "hp-wifi"; | |
840 | break; | |
841 | case HPWMI_BLUETOOTH: | |
842 | type = RFKILL_TYPE_BLUETOOTH; | |
843 | name = "hp-bluetooth"; | |
844 | break; | |
845 | case HPWMI_WWAN: | |
846 | type = RFKILL_TYPE_WWAN; | |
847 | name = "hp-wwan"; | |
848 | break; | |
4fca7ce3 TV |
849 | case HPWMI_GPS: |
850 | type = RFKILL_TYPE_GPS; | |
851 | name = "hp-gps"; | |
852 | break; | |
c0b9c649 | 853 | default: |
b5a4223c JP |
854 | pr_warn("unknown device type 0x%x\n", |
855 | state.device[i].radio_type); | |
c0b9c649 AH |
856 | continue; |
857 | } | |
858 | ||
859 | if (!state.device[i].vendor_id) { | |
b5a4223c JP |
860 | pr_warn("zero device %d while %d reported\n", |
861 | i, state.count); | |
c0b9c649 AH |
862 | continue; |
863 | } | |
864 | ||
865 | rfkill = rfkill_alloc(name, &device->dev, type, | |
866 | &hp_wmi_rfkill2_ops, (void *)(long)i); | |
867 | if (!rfkill) { | |
868 | err = -ENOMEM; | |
869 | goto fail; | |
870 | } | |
871 | ||
872 | rfkill2[rfkill2_count].id = state.device[i].rfkill_id; | |
873 | rfkill2[rfkill2_count].num = i; | |
874 | rfkill2[rfkill2_count].rfkill = rfkill; | |
875 | ||
876 | rfkill_init_sw_state(rfkill, | |
877 | IS_SWBLOCKED(state.device[i].power)); | |
878 | rfkill_set_hw_state(rfkill, | |
879 | IS_HWBLOCKED(state.device[i].power)); | |
880 | ||
881 | if (!(state.device[i].power & HPWMI_POWER_BIOS)) | |
b5a4223c | 882 | pr_info("device %s blocked by BIOS\n", name); |
c0b9c649 AH |
883 | |
884 | err = rfkill_register(rfkill); | |
885 | if (err) { | |
886 | rfkill_destroy(rfkill); | |
887 | goto fail; | |
888 | } | |
889 | ||
890 | rfkill2_count++; | |
891 | } | |
892 | ||
893 | return 0; | |
894 | fail: | |
895 | for (; rfkill2_count > 0; rfkill2_count--) { | |
896 | rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill); | |
897 | rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill); | |
898 | } | |
899 | return err; | |
900 | } | |
901 | ||
c165b80c | 902 | static int __init hp_wmi_bios_setup(struct platform_device *device) |
eceb7bdf AH |
903 | { |
904 | int err; | |
905 | ||
6d97db59 AH |
906 | /* clear detected rfkill devices */ |
907 | wifi_rfkill = NULL; | |
908 | bluetooth_rfkill = NULL; | |
909 | wwan_rfkill = NULL; | |
4fca7ce3 | 910 | gps_rfkill = NULL; |
c0b9c649 | 911 | rfkill2_count = 0; |
6d97db59 | 912 | |
997daa1b | 913 | if (hp_wmi_bios_2009_later() || hp_wmi_rfkill_setup(device)) |
c0b9c649 | 914 | hp_wmi_rfkill2_setup(device); |
eceb7bdf AH |
915 | |
916 | err = device_create_file(&device->dev, &dev_attr_display); | |
917 | if (err) | |
918 | goto add_sysfs_error; | |
919 | err = device_create_file(&device->dev, &dev_attr_hddtemp); | |
920 | if (err) | |
921 | goto add_sysfs_error; | |
922 | err = device_create_file(&device->dev, &dev_attr_als); | |
923 | if (err) | |
924 | goto add_sysfs_error; | |
925 | err = device_create_file(&device->dev, &dev_attr_dock); | |
926 | if (err) | |
927 | goto add_sysfs_error; | |
928 | err = device_create_file(&device->dev, &dev_attr_tablet); | |
8667ca95 AH |
929 | if (err) |
930 | goto add_sysfs_error; | |
931 | err = device_create_file(&device->dev, &dev_attr_postcode); | |
eceb7bdf AH |
932 | if (err) |
933 | goto add_sysfs_error; | |
934 | return 0; | |
935 | ||
62ec30d4 MG |
936 | add_sysfs_error: |
937 | cleanup_sysfs(device); | |
938 | return err; | |
939 | } | |
940 | ||
941 | static int __exit hp_wmi_bios_remove(struct platform_device *device) | |
942 | { | |
c0b9c649 | 943 | int i; |
62ec30d4 MG |
944 | cleanup_sysfs(device); |
945 | ||
c0b9c649 AH |
946 | for (i = 0; i < rfkill2_count; i++) { |
947 | rfkill_unregister(rfkill2[i].rfkill); | |
948 | rfkill_destroy(rfkill2[i].rfkill); | |
949 | } | |
950 | ||
19d337df | 951 | if (wifi_rfkill) { |
3f6e2f13 | 952 | rfkill_unregister(wifi_rfkill); |
19d337df JB |
953 | rfkill_destroy(wifi_rfkill); |
954 | } | |
955 | if (bluetooth_rfkill) { | |
3f6e2f13 | 956 | rfkill_unregister(bluetooth_rfkill); |
09729f0b | 957 | rfkill_destroy(bluetooth_rfkill); |
19d337df JB |
958 | } |
959 | if (wwan_rfkill) { | |
3f6e2f13 | 960 | rfkill_unregister(wwan_rfkill); |
19d337df JB |
961 | rfkill_destroy(wwan_rfkill); |
962 | } | |
4fca7ce3 TV |
963 | if (gps_rfkill) { |
964 | rfkill_unregister(gps_rfkill); | |
965 | rfkill_destroy(gps_rfkill); | |
966 | } | |
62ec30d4 MG |
967 | |
968 | return 0; | |
969 | } | |
970 | ||
8dd2b426 | 971 | static int hp_wmi_resume_handler(struct device *device) |
4c395bdd | 972 | { |
4c395bdd | 973 | /* |
871043bc MG |
974 | * Hardware state may have changed while suspended, so trigger |
975 | * input events for the current state. As this is a switch, | |
4c395bdd FP |
976 | * the input layer will only actually pass it on if the state |
977 | * changed. | |
978 | */ | |
daed9537 FP |
979 | if (hp_wmi_input_dev) { |
980 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
981 | hp_wmi_dock_state()); | |
982 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
983 | hp_wmi_tablet_state()); | |
984 | input_sync(hp_wmi_input_dev); | |
985 | } | |
4c395bdd | 986 | |
c0b9c649 AH |
987 | if (rfkill2_count) |
988 | hp_wmi_rfkill2_refresh(); | |
989 | ||
e5fbba85 AJ |
990 | if (wifi_rfkill) |
991 | rfkill_set_states(wifi_rfkill, | |
992 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
993 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
994 | if (bluetooth_rfkill) | |
995 | rfkill_set_states(bluetooth_rfkill, | |
996 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
997 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
998 | if (wwan_rfkill) | |
999 | rfkill_set_states(wwan_rfkill, | |
1000 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
1001 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
4fca7ce3 TV |
1002 | if (gps_rfkill) |
1003 | rfkill_set_states(gps_rfkill, | |
1004 | hp_wmi_get_sw_state(HPWMI_GPS), | |
1005 | hp_wmi_get_hw_state(HPWMI_GPS)); | |
e5fbba85 | 1006 | |
4c395bdd FP |
1007 | return 0; |
1008 | } | |
1009 | ||
c165b80c DT |
1010 | static const struct dev_pm_ops hp_wmi_pm_ops = { |
1011 | .resume = hp_wmi_resume_handler, | |
1012 | .restore = hp_wmi_resume_handler, | |
1013 | }; | |
1014 | ||
1015 | static struct platform_driver hp_wmi_driver = { | |
1016 | .driver = { | |
1017 | .name = "hp-wmi", | |
c165b80c DT |
1018 | .pm = &hp_wmi_pm_ops, |
1019 | }, | |
1020 | .remove = __exit_p(hp_wmi_bios_remove), | |
1021 | }; | |
1022 | ||
62ec30d4 MG |
1023 | static int __init hp_wmi_init(void) |
1024 | { | |
1025 | int err; | |
b096667b TR |
1026 | int event_capable = wmi_has_guid(HPWMI_EVENT_GUID); |
1027 | int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID); | |
62ec30d4 | 1028 | |
c165b80c DT |
1029 | if (!bios_capable && !event_capable) |
1030 | return -ENODEV; | |
1031 | ||
b096667b | 1032 | if (event_capable) { |
dfec5c48 | 1033 | err = hp_wmi_input_setup(); |
4d291ed7 | 1034 | if (err) |
dfec5c48 | 1035 | return err; |
62ec30d4 MG |
1036 | } |
1037 | ||
b096667b | 1038 | if (bios_capable) { |
c165b80c DT |
1039 | hp_wmi_platform_dev = |
1040 | platform_device_register_simple("hp-wmi", -1, NULL, 0); | |
1041 | if (IS_ERR(hp_wmi_platform_dev)) { | |
1042 | err = PTR_ERR(hp_wmi_platform_dev); | |
1043 | goto err_destroy_input; | |
62ec30d4 | 1044 | } |
c165b80c DT |
1045 | |
1046 | err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup); | |
dfec5c48 | 1047 | if (err) |
c165b80c | 1048 | goto err_unregister_device; |
62ec30d4 MG |
1049 | } |
1050 | ||
1051 | return 0; | |
dfec5c48 | 1052 | |
c165b80c DT |
1053 | err_unregister_device: |
1054 | platform_device_unregister(hp_wmi_platform_dev); | |
1055 | err_destroy_input: | |
4d291ed7 DT |
1056 | if (event_capable) |
1057 | hp_wmi_input_destroy(); | |
dfec5c48 AL |
1058 | |
1059 | return err; | |
62ec30d4 | 1060 | } |
c165b80c | 1061 | module_init(hp_wmi_init); |
62ec30d4 MG |
1062 | |
1063 | static void __exit hp_wmi_exit(void) | |
1064 | { | |
4d291ed7 DT |
1065 | if (wmi_has_guid(HPWMI_EVENT_GUID)) |
1066 | hp_wmi_input_destroy(); | |
1067 | ||
62ec30d4 | 1068 | if (hp_wmi_platform_dev) { |
97ba0af0 | 1069 | platform_device_unregister(hp_wmi_platform_dev); |
62ec30d4 MG |
1070 | platform_driver_unregister(&hp_wmi_driver); |
1071 | } | |
1072 | } | |
62ec30d4 | 1073 | module_exit(hp_wmi_exit); |