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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 | ||
e5fbba85 | 51 | enum hp_wmi_radio { |
d8193cff DHV |
52 | HPWMI_WIFI = 0x0, |
53 | HPWMI_BLUETOOTH = 0x1, | |
54 | HPWMI_WWAN = 0x2, | |
55 | HPWMI_GPS = 0x3, | |
e5fbba85 AJ |
56 | }; |
57 | ||
751ae808 | 58 | enum hp_wmi_event_ids { |
d8193cff DHV |
59 | HPWMI_DOCK_EVENT = 0x01, |
60 | HPWMI_PARK_HDD = 0x02, | |
61 | HPWMI_SMART_ADAPTER = 0x03, | |
62 | HPWMI_BEZEL_BUTTON = 0x04, | |
63 | HPWMI_WIRELESS = 0x05, | |
64 | HPWMI_CPU_BATTERY_THROTTLE = 0x06, | |
65 | HPWMI_LOCK_SWITCH = 0x07, | |
66 | HPWMI_LID_SWITCH = 0x08, | |
67 | HPWMI_SCREEN_ROTATION = 0x09, | |
68 | HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A, | |
69 | HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B, | |
70 | HPWMI_PROXIMITY_SENSOR = 0x0C, | |
71 | HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D, | |
72 | HPWMI_PEAKSHIFT_PERIOD = 0x0F, | |
73 | HPWMI_BATTERY_CHARGE_PERIOD = 0x10, | |
751ae808 TR |
74 | }; |
75 | ||
62ec30d4 MG |
76 | struct bios_args { |
77 | u32 signature; | |
78 | u32 command; | |
79 | u32 commandtype; | |
80 | u32 datasize; | |
a8ec105c | 81 | u32 data; |
62ec30d4 MG |
82 | }; |
83 | ||
d8193cff DHV |
84 | enum hp_wmi_commandtype { |
85 | HPWMI_DISPLAY_QUERY = 0x01, | |
86 | HPWMI_HDDTEMP_QUERY = 0x02, | |
87 | HPWMI_ALS_QUERY = 0x03, | |
88 | HPWMI_HARDWARE_QUERY = 0x04, | |
89 | HPWMI_WIRELESS_QUERY = 0x05, | |
90 | HPWMI_BATTERY_QUERY = 0x07, | |
91 | HPWMI_BIOS_QUERY = 0x09, | |
92 | HPWMI_FEATURE_QUERY = 0x0b, | |
93 | HPWMI_HOTKEY_QUERY = 0x0c, | |
94 | HPWMI_FEATURE2_QUERY = 0x0d, | |
95 | HPWMI_WIRELESS2_QUERY = 0x1b, | |
96 | HPWMI_POSTCODEERROR_QUERY = 0x2a, | |
97 | }; | |
98 | ||
99 | enum hp_wmi_command { | |
100 | HPWMI_READ = 0x01, | |
101 | HPWMI_WRITE = 0x02, | |
102 | HPWMI_ODM = 0x03, | |
103 | }; | |
104 | ||
f9cf3b28 DHV |
105 | enum hp_wmi_hardware_mask { |
106 | HPWMI_DOCK_MASK = 0x01, | |
107 | HPWMI_TABLET_MASK = 0x04, | |
108 | }; | |
109 | ||
62ec30d4 MG |
110 | struct bios_return { |
111 | u32 sigpass; | |
112 | u32 return_code; | |
62ec30d4 MG |
113 | }; |
114 | ||
9af0e0fb AH |
115 | enum hp_return_value { |
116 | HPWMI_RET_WRONG_SIGNATURE = 0x02, | |
117 | HPWMI_RET_UNKNOWN_COMMAND = 0x03, | |
118 | HPWMI_RET_UNKNOWN_CMDTYPE = 0x04, | |
119 | HPWMI_RET_INVALID_PARAMETERS = 0x05, | |
120 | }; | |
121 | ||
c0b9c649 AH |
122 | enum hp_wireless2_bits { |
123 | HPWMI_POWER_STATE = 0x01, | |
124 | HPWMI_POWER_SOFT = 0x02, | |
125 | HPWMI_POWER_BIOS = 0x04, | |
126 | HPWMI_POWER_HARD = 0x08, | |
127 | }; | |
128 | ||
129 | #define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \ | |
130 | != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) | |
131 | #define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT) | |
132 | ||
133 | struct bios_rfkill2_device_state { | |
134 | u8 radio_type; | |
135 | u8 bus_type; | |
136 | u16 vendor_id; | |
137 | u16 product_id; | |
138 | u16 subsys_vendor_id; | |
139 | u16 subsys_product_id; | |
140 | u8 rfkill_id; | |
141 | u8 power; | |
142 | u8 unknown[4]; | |
143 | }; | |
144 | ||
145 | /* 7 devices fit into the 128 byte buffer */ | |
146 | #define HPWMI_MAX_RFKILL2_DEVICES 7 | |
147 | ||
148 | struct bios_rfkill2_state { | |
149 | u8 unknown[7]; | |
150 | u8 count; | |
151 | u8 pad[8]; | |
152 | struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES]; | |
153 | }; | |
154 | ||
4d291ed7 DT |
155 | static const struct key_entry hp_wmi_keymap[] = { |
156 | { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } }, | |
157 | { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } }, | |
158 | { KE_KEY, 0x20e6, { KEY_PROG1 } }, | |
159 | { KE_KEY, 0x20e8, { KEY_MEDIA } }, | |
160 | { KE_KEY, 0x2142, { KEY_MEDIA } }, | |
161 | { KE_KEY, 0x213b, { KEY_INFO } }, | |
e92865ed | 162 | { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } }, |
f82bdd0d | 163 | { KE_KEY, 0x216a, { KEY_SETUP } }, |
4d291ed7 DT |
164 | { KE_KEY, 0x231b, { KEY_HELP } }, |
165 | { KE_END, 0 } | |
62ec30d4 MG |
166 | }; |
167 | ||
168 | static struct input_dev *hp_wmi_input_dev; | |
169 | static struct platform_device *hp_wmi_platform_dev; | |
170 | ||
171 | static struct rfkill *wifi_rfkill; | |
172 | static struct rfkill *bluetooth_rfkill; | |
173 | static struct rfkill *wwan_rfkill; | |
174 | ||
c0b9c649 AH |
175 | struct rfkill2_device { |
176 | u8 id; | |
177 | int num; | |
178 | struct rfkill *rfkill; | |
179 | }; | |
180 | ||
181 | static int rfkill2_count; | |
182 | static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES]; | |
183 | ||
fbcb4a57 PA |
184 | /* map output size to the corresponding WMI method id */ |
185 | static inline int encode_outsize_for_pvsz(int outsize) | |
186 | { | |
187 | if (outsize > 4096) | |
188 | return -EINVAL; | |
189 | if (outsize > 1024) | |
190 | return 5; | |
191 | if (outsize > 128) | |
192 | return 4; | |
193 | if (outsize > 4) | |
194 | return 3; | |
195 | if (outsize > 0) | |
196 | return 2; | |
197 | return 1; | |
198 | } | |
199 | ||
6d96e00c TR |
200 | /* |
201 | * hp_wmi_perform_query | |
202 | * | |
d8193cff DHV |
203 | * query: The commandtype (enum hp_wmi_commandtype) |
204 | * write: The command (enum hp_wmi_command) | |
6d96e00c | 205 | * buffer: Buffer used as input and/or output |
c3021ea1 AH |
206 | * insize: Size of input buffer |
207 | * outsize: Size of output buffer | |
6d96e00c TR |
208 | * |
209 | * returns zero on success | |
210 | * an HP WMI query specific error code (which is positive) | |
211 | * -EINVAL if the query was not successful at all | |
212 | * -EINVAL if the output buffer size exceeds buffersize | |
213 | * | |
214 | * Note: The buffersize must at least be the maximum of the input and output | |
d8193cff | 215 | * size. E.g. Battery info query is defined to have 1 byte input |
6d96e00c TR |
216 | * and 128 byte output. The caller would do: |
217 | * buffer = kzalloc(128, GFP_KERNEL); | |
d8193cff | 218 | * ret = hp_wmi_perform_query(HPWMI_BATTERY_QUERY, HPWMI_READ, buffer, 1, 128) |
6d96e00c | 219 | */ |
d8193cff DHV |
220 | static int hp_wmi_perform_query(int query, enum hp_wmi_command command, |
221 | void *buffer, int insize, int outsize) | |
62ec30d4 | 222 | { |
fbcb4a57 | 223 | int mid; |
c3021ea1 AH |
224 | struct bios_return *bios_return; |
225 | int actual_outsize; | |
62ec30d4 MG |
226 | union acpi_object *obj; |
227 | struct bios_args args = { | |
228 | .signature = 0x55434553, | |
d8193cff | 229 | .command = command, |
62ec30d4 | 230 | .commandtype = query, |
c3021ea1 AH |
231 | .datasize = insize, |
232 | .data = 0, | |
62ec30d4 MG |
233 | }; |
234 | struct acpi_buffer input = { sizeof(struct bios_args), &args }; | |
235 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
527376c8 | 236 | int ret = 0; |
62ec30d4 | 237 | |
fbcb4a57 PA |
238 | mid = encode_outsize_for_pvsz(outsize); |
239 | if (WARN_ON(mid < 0)) | |
240 | return mid; | |
241 | ||
c3021ea1 AH |
242 | if (WARN_ON(insize > sizeof(args.data))) |
243 | return -EINVAL; | |
244 | memcpy(&args.data, buffer, insize); | |
245 | ||
fbcb4a57 | 246 | wmi_evaluate_method(HPWMI_BIOS_GUID, 0, mid, &input, &output); |
62ec30d4 MG |
247 | |
248 | obj = output.pointer; | |
249 | ||
44ef00e6 | 250 | if (!obj) |
62ec30d4 | 251 | return -EINVAL; |
527376c8 DHV |
252 | |
253 | if (obj->type != ACPI_TYPE_BUFFER) { | |
254 | ret = -EINVAL; | |
255 | goto out_free; | |
44ef00e6 | 256 | } |
62ec30d4 | 257 | |
c3021ea1 | 258 | bios_return = (struct bios_return *)obj->buffer.pointer; |
527376c8 | 259 | ret = bios_return->return_code; |
6d96e00c | 260 | |
527376c8 DHV |
261 | if (ret) { |
262 | if (ret != HPWMI_RET_UNKNOWN_CMDTYPE) | |
263 | pr_warn("query 0x%x returned error 0x%x\n", query, ret); | |
264 | goto out_free; | |
9af0e0fb AH |
265 | } |
266 | ||
527376c8 DHV |
267 | /* Ignore output data of zero size */ |
268 | if (!outsize) | |
269 | goto out_free; | |
53c96dfd | 270 | |
c3021ea1 AH |
271 | actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return))); |
272 | memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize); | |
273 | memset(buffer + actual_outsize, 0, outsize - actual_outsize); | |
527376c8 DHV |
274 | |
275 | out_free: | |
53c96dfd | 276 | kfree(obj); |
527376c8 | 277 | return ret; |
62ec30d4 MG |
278 | } |
279 | ||
ea621d9f | 280 | static int hp_wmi_read_int(int query) |
62ec30d4 | 281 | { |
ea621d9f | 282 | int val = 0, ret; |
62ec30d4 | 283 | |
ea621d9f DHV |
284 | ret = hp_wmi_perform_query(query, HPWMI_READ, &val, |
285 | sizeof(val), sizeof(val)); | |
62ec30d4 | 286 | |
6d96e00c | 287 | if (ret) |
d3138769 | 288 | return ret < 0 ? ret : -EINVAL; |
ea621d9f DHV |
289 | |
290 | return val; | |
62ec30d4 MG |
291 | } |
292 | ||
f9cf3b28 | 293 | static int hp_wmi_hw_state(int mask) |
62ec30d4 | 294 | { |
ea621d9f | 295 | int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY); |
62ec30d4 | 296 | |
ea621d9f DHV |
297 | if (state < 0) |
298 | return state; | |
871043bc | 299 | |
6d96e00c | 300 | return state & 0x1; |
62ec30d4 MG |
301 | } |
302 | ||
8a1513b4 | 303 | static int __init hp_wmi_bios_2008_later(void) |
997daa1b AH |
304 | { |
305 | int state = 0; | |
d8193cff | 306 | int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, HPWMI_READ, &state, |
997daa1b | 307 | sizeof(state), sizeof(state)); |
8a1513b4 KE |
308 | if (!ret) |
309 | return 1; | |
997daa1b | 310 | |
8a1513b4 | 311 | return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; |
997daa1b AH |
312 | } |
313 | ||
8a1513b4 | 314 | static int __init hp_wmi_bios_2009_later(void) |
f82bdd0d | 315 | { |
8a1513b4 | 316 | int state = 0; |
d8193cff | 317 | int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, HPWMI_READ, &state, |
8a1513b4 KE |
318 | sizeof(state), sizeof(state)); |
319 | if (!ret) | |
320 | return 1; | |
f82bdd0d | 321 | |
8a1513b4 KE |
322 | return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; |
323 | } | |
f82bdd0d | 324 | |
8a1513b4 KE |
325 | static int __init hp_wmi_enable_hotkeys(void) |
326 | { | |
327 | int value = 0x6e; | |
d8193cff | 328 | int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, HPWMI_WRITE, &value, |
8a1513b4 | 329 | sizeof(value), 0); |
527376c8 DHV |
330 | |
331 | return ret <= 0 ? ret : -EINVAL; | |
f82bdd0d KE |
332 | } |
333 | ||
19d337df | 334 | static int hp_wmi_set_block(void *data, bool blocked) |
62ec30d4 | 335 | { |
e5fbba85 AJ |
336 | enum hp_wmi_radio r = (enum hp_wmi_radio) data; |
337 | int query = BIT(r + 8) | ((!blocked) << r); | |
6d96e00c | 338 | int ret; |
62ec30d4 | 339 | |
d8193cff | 340 | ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, |
c3021ea1 | 341 | &query, sizeof(query), 0); |
527376c8 DHV |
342 | |
343 | return ret <= 0 ? ret : -EINVAL; | |
62ec30d4 MG |
344 | } |
345 | ||
19d337df JB |
346 | static const struct rfkill_ops hp_wmi_rfkill_ops = { |
347 | .set_block = hp_wmi_set_block, | |
348 | }; | |
62ec30d4 | 349 | |
e5fbba85 | 350 | static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) |
62ec30d4 | 351 | { |
3bf9310a | 352 | int mask = 0x200 << (r * 8); |
3bf9310a | 353 | |
c7ef144c DHV |
354 | int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); |
355 | ||
6d96e00c | 356 | /* TBD: Pass error */ |
c7ef144c | 357 | WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY"); |
6d96e00c | 358 | |
c7ef144c | 359 | return !(wireless & mask); |
62ec30d4 MG |
360 | } |
361 | ||
e5fbba85 | 362 | static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) |
62ec30d4 | 363 | { |
3bf9310a | 364 | int mask = 0x800 << (r * 8); |
3bf9310a | 365 | |
c7ef144c DHV |
366 | int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); |
367 | ||
6d96e00c | 368 | /* TBD: Pass error */ |
c7ef144c | 369 | WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY"); |
6d96e00c | 370 | |
c7ef144c | 371 | return !(wireless & mask); |
62ec30d4 MG |
372 | } |
373 | ||
c0b9c649 AH |
374 | static int hp_wmi_rfkill2_set_block(void *data, bool blocked) |
375 | { | |
376 | int rfkill_id = (int)(long)data; | |
377 | char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked }; | |
527376c8 | 378 | int ret; |
c0b9c649 | 379 | |
527376c8 DHV |
380 | ret = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_WRITE, |
381 | buffer, sizeof(buffer), 0); | |
382 | ||
383 | return ret <= 0 ? ret : -EINVAL; | |
c0b9c649 AH |
384 | } |
385 | ||
386 | static const struct rfkill_ops hp_wmi_rfkill2_ops = { | |
387 | .set_block = hp_wmi_rfkill2_set_block, | |
388 | }; | |
389 | ||
390 | static int hp_wmi_rfkill2_refresh(void) | |
391 | { | |
c0b9c649 | 392 | struct bios_rfkill2_state state; |
3bf9310a | 393 | int err, i; |
c0b9c649 | 394 | |
d8193cff | 395 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state, |
c0b9c649 AH |
396 | 0, sizeof(state)); |
397 | if (err) | |
398 | return err; | |
399 | ||
400 | for (i = 0; i < rfkill2_count; i++) { | |
401 | int num = rfkill2[i].num; | |
402 | struct bios_rfkill2_device_state *devstate; | |
403 | devstate = &state.device[num]; | |
404 | ||
405 | if (num >= state.count || | |
406 | devstate->rfkill_id != rfkill2[i].id) { | |
b5a4223c | 407 | pr_warn("power configuration of the wireless devices unexpectedly changed\n"); |
c0b9c649 AH |
408 | continue; |
409 | } | |
410 | ||
411 | rfkill_set_states(rfkill2[i].rfkill, | |
412 | IS_SWBLOCKED(devstate->power), | |
413 | IS_HWBLOCKED(devstate->power)); | |
414 | } | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
c21ee12f | 419 | static ssize_t display_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
420 | char *buf) |
421 | { | |
ea621d9f | 422 | int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY); |
62ec30d4 | 423 | if (value < 0) |
a055f9ec | 424 | return value; |
62ec30d4 MG |
425 | return sprintf(buf, "%d\n", value); |
426 | } | |
427 | ||
c21ee12f | 428 | static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
429 | char *buf) |
430 | { | |
ea621d9f | 431 | int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY); |
62ec30d4 | 432 | if (value < 0) |
a055f9ec | 433 | return value; |
62ec30d4 MG |
434 | return sprintf(buf, "%d\n", value); |
435 | } | |
436 | ||
c21ee12f | 437 | static ssize_t als_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
438 | char *buf) |
439 | { | |
ea621d9f | 440 | int value = hp_wmi_read_int(HPWMI_ALS_QUERY); |
62ec30d4 | 441 | if (value < 0) |
a055f9ec | 442 | return value; |
62ec30d4 MG |
443 | return sprintf(buf, "%d\n", value); |
444 | } | |
445 | ||
c21ee12f | 446 | static ssize_t dock_show(struct device *dev, struct device_attribute *attr, |
62ec30d4 MG |
447 | char *buf) |
448 | { | |
f9cf3b28 | 449 | int value = hp_wmi_hw_state(HPWMI_DOCK_MASK); |
62ec30d4 | 450 | if (value < 0) |
a055f9ec | 451 | return value; |
62ec30d4 MG |
452 | return sprintf(buf, "%d\n", value); |
453 | } | |
454 | ||
c21ee12f DHV |
455 | static ssize_t tablet_show(struct device *dev, struct device_attribute *attr, |
456 | char *buf) | |
871043bc | 457 | { |
f9cf3b28 | 458 | int value = hp_wmi_hw_state(HPWMI_TABLET_MASK); |
871043bc | 459 | if (value < 0) |
a055f9ec | 460 | return value; |
871043bc MG |
461 | return sprintf(buf, "%d\n", value); |
462 | } | |
463 | ||
c21ee12f DHV |
464 | static ssize_t postcode_show(struct device *dev, struct device_attribute *attr, |
465 | char *buf) | |
8667ca95 AH |
466 | { |
467 | /* Get the POST error code of previous boot failure. */ | |
ea621d9f | 468 | int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY); |
8667ca95 | 469 | if (value < 0) |
a055f9ec | 470 | return value; |
8667ca95 AH |
471 | return sprintf(buf, "0x%x\n", value); |
472 | } | |
473 | ||
c21ee12f DHV |
474 | static ssize_t als_store(struct device *dev, struct device_attribute *attr, |
475 | const char *buf, size_t count) | |
62ec30d4 MG |
476 | { |
477 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
d8193cff | 478 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, |
c3021ea1 | 479 | sizeof(tmp), sizeof(tmp)); |
6d96e00c | 480 | if (ret) |
d3138769 | 481 | return ret < 0 ? ret : -EINVAL; |
6d96e00c | 482 | |
62ec30d4 MG |
483 | return count; |
484 | } | |
485 | ||
c21ee12f DHV |
486 | static ssize_t postcode_store(struct device *dev, struct device_attribute *attr, |
487 | const char *buf, size_t count) | |
8667ca95 | 488 | { |
3bf9310a | 489 | long unsigned int tmp2; |
8667ca95 AH |
490 | int ret; |
491 | u32 tmp; | |
8667ca95 AH |
492 | |
493 | ret = kstrtoul(buf, 10, &tmp2); | |
527376c8 DHV |
494 | if (!ret && tmp2 != 1) |
495 | ret = -EINVAL; | |
496 | if (ret) | |
497 | goto out; | |
8667ca95 AH |
498 | |
499 | /* Clear the POST error code. It is kept until until cleared. */ | |
500 | tmp = (u32) tmp2; | |
d8193cff | 501 | ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp, |
8667ca95 | 502 | sizeof(tmp), sizeof(tmp)); |
527376c8 DHV |
503 | |
504 | out: | |
8667ca95 | 505 | if (ret) |
d3138769 | 506 | return ret < 0 ? ret : -EINVAL; |
8667ca95 AH |
507 | |
508 | return count; | |
509 | } | |
510 | ||
c21ee12f DHV |
511 | static DEVICE_ATTR_RO(display); |
512 | static DEVICE_ATTR_RO(hddtemp); | |
513 | static DEVICE_ATTR_RW(als); | |
514 | static DEVICE_ATTR_RO(dock); | |
515 | static DEVICE_ATTR_RO(tablet); | |
516 | static DEVICE_ATTR_RW(postcode); | |
62ec30d4 | 517 | |
88429a10 | 518 | static void hp_wmi_notify(u32 value, void *context) |
62ec30d4 MG |
519 | { |
520 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
8dda6b04 | 521 | u32 event_id, event_data; |
3bf9310a | 522 | union acpi_object *obj; |
fda11e61 | 523 | acpi_status status; |
3bf9310a | 524 | u32 *location; |
ea621d9f | 525 | int key_code; |
62ec30d4 | 526 | |
fda11e61 LB |
527 | status = wmi_get_event_data(value, &response); |
528 | if (status != AE_OK) { | |
b5a4223c | 529 | pr_info("bad event status 0x%x\n", status); |
fda11e61 LB |
530 | return; |
531 | } | |
62ec30d4 MG |
532 | |
533 | obj = (union acpi_object *)response.pointer; | |
534 | ||
c4775062 TR |
535 | if (!obj) |
536 | return; | |
537 | if (obj->type != ACPI_TYPE_BUFFER) { | |
b5a4223c | 538 | pr_info("Unknown response received %d\n", obj->type); |
44ef00e6 | 539 | kfree(obj); |
e5fbba85 AJ |
540 | return; |
541 | } | |
542 | ||
8dda6b04 TR |
543 | /* |
544 | * Depending on ACPI version the concatenation of id and event data | |
545 | * inside _WED function will result in a 8 or 16 byte buffer. | |
546 | */ | |
547 | location = (u32 *)obj->buffer.pointer; | |
548 | if (obj->buffer.length == 8) { | |
549 | event_id = *location; | |
550 | event_data = *(location + 1); | |
551 | } else if (obj->buffer.length == 16) { | |
552 | event_id = *location; | |
553 | event_data = *(location + 2); | |
554 | } else { | |
b5a4223c | 555 | pr_info("Unknown buffer length %d\n", obj->buffer.length); |
8dda6b04 TR |
556 | kfree(obj); |
557 | return; | |
558 | } | |
44ef00e6 | 559 | kfree(obj); |
8dda6b04 TR |
560 | |
561 | switch (event_id) { | |
751ae808 | 562 | case HPWMI_DOCK_EVENT: |
298747b7 CC |
563 | if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit)) |
564 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
f9cf3b28 | 565 | hp_wmi_hw_state(HPWMI_DOCK_MASK)); |
298747b7 CC |
566 | if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) |
567 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
f9cf3b28 | 568 | hp_wmi_hw_state(HPWMI_TABLET_MASK)); |
e5fbba85 | 569 | input_sync(hp_wmi_input_dev); |
751ae808 | 570 | break; |
1bbdfd59 TR |
571 | case HPWMI_PARK_HDD: |
572 | break; | |
573 | case HPWMI_SMART_ADAPTER: | |
574 | break; | |
751ae808 | 575 | case HPWMI_BEZEL_BUTTON: |
ea621d9f DHV |
576 | key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY); |
577 | if (key_code < 0) | |
6d96e00c | 578 | break; |
4d291ed7 DT |
579 | |
580 | if (!sparse_keymap_report_event(hp_wmi_input_dev, | |
581 | key_code, 1, true)) | |
b5a4223c | 582 | pr_info("Unknown key code - 0x%x\n", key_code); |
751ae808 TR |
583 | break; |
584 | case HPWMI_WIRELESS: | |
c0b9c649 AH |
585 | if (rfkill2_count) { |
586 | hp_wmi_rfkill2_refresh(); | |
587 | break; | |
588 | } | |
589 | ||
e5fbba85 AJ |
590 | if (wifi_rfkill) |
591 | rfkill_set_states(wifi_rfkill, | |
592 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
593 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
594 | if (bluetooth_rfkill) | |
595 | rfkill_set_states(bluetooth_rfkill, | |
596 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
597 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
598 | if (wwan_rfkill) | |
599 | rfkill_set_states(wwan_rfkill, | |
600 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
601 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
751ae808 | 602 | break; |
1bbdfd59 | 603 | case HPWMI_CPU_BATTERY_THROTTLE: |
b5a4223c | 604 | pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n"); |
1bbdfd59 TR |
605 | break; |
606 | case HPWMI_LOCK_SWITCH: | |
607 | break; | |
d9e290a0 AH |
608 | case HPWMI_LID_SWITCH: |
609 | break; | |
610 | case HPWMI_SCREEN_ROTATION: | |
611 | break; | |
612 | case HPWMI_COOLSENSE_SYSTEM_MOBILE: | |
613 | break; | |
614 | case HPWMI_COOLSENSE_SYSTEM_HOT: | |
615 | break; | |
616 | case HPWMI_PROXIMITY_SENSOR: | |
617 | break; | |
618 | case HPWMI_BACKLIT_KB_BRIGHTNESS: | |
619 | break; | |
620 | case HPWMI_PEAKSHIFT_PERIOD: | |
621 | break; | |
622 | case HPWMI_BATTERY_CHARGE_PERIOD: | |
623 | break; | |
751ae808 | 624 | default: |
b5a4223c | 625 | pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); |
751ae808 TR |
626 | break; |
627 | } | |
62ec30d4 MG |
628 | } |
629 | ||
630 | static int __init hp_wmi_input_setup(void) | |
631 | { | |
4d291ed7 | 632 | acpi_status status; |
3bf9310a | 633 | int err, val; |
62ec30d4 MG |
634 | |
635 | hp_wmi_input_dev = input_allocate_device(); | |
bc28596a AL |
636 | if (!hp_wmi_input_dev) |
637 | return -ENOMEM; | |
62ec30d4 MG |
638 | |
639 | hp_wmi_input_dev->name = "HP WMI hotkeys"; | |
640 | hp_wmi_input_dev->phys = "wmi/input0"; | |
641 | hp_wmi_input_dev->id.bustype = BUS_HOST; | |
62ec30d4 | 642 | |
4d291ed7 | 643 | __set_bit(EV_SW, hp_wmi_input_dev->evbit); |
298747b7 CC |
644 | |
645 | /* Dock */ | |
f9cf3b28 | 646 | val = hp_wmi_hw_state(HPWMI_DOCK_MASK); |
298747b7 CC |
647 | if (!(val < 0)) { |
648 | __set_bit(SW_DOCK, hp_wmi_input_dev->swbit); | |
649 | input_report_switch(hp_wmi_input_dev, SW_DOCK, val); | |
650 | } | |
651 | ||
652 | /* Tablet mode */ | |
f9cf3b28 | 653 | val = hp_wmi_hw_state(HPWMI_TABLET_MASK); |
298747b7 CC |
654 | if (!(val < 0)) { |
655 | __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); | |
656 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val); | |
657 | } | |
4d291ed7 DT |
658 | |
659 | err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL); | |
660 | if (err) | |
661 | goto err_free_dev; | |
871043bc MG |
662 | |
663 | /* Set initial hardware state */ | |
871043bc MG |
664 | input_sync(hp_wmi_input_dev); |
665 | ||
8a1513b4 | 666 | if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later()) |
f82bdd0d KE |
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; | |
3a3c1115 | 672 | goto err_free_dev; |
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); | |
4d291ed7 DT |
683 | err_free_dev: |
684 | input_free_device(hp_wmi_input_dev); | |
685 | return err; | |
686 | } | |
687 | ||
688 | static void hp_wmi_input_destroy(void) | |
689 | { | |
690 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
4d291ed7 | 691 | input_unregister_device(hp_wmi_input_dev); |
62ec30d4 MG |
692 | } |
693 | ||
694 | static void cleanup_sysfs(struct platform_device *device) | |
695 | { | |
696 | device_remove_file(&device->dev, &dev_attr_display); | |
697 | device_remove_file(&device->dev, &dev_attr_hddtemp); | |
698 | device_remove_file(&device->dev, &dev_attr_als); | |
699 | device_remove_file(&device->dev, &dev_attr_dock); | |
871043bc | 700 | device_remove_file(&device->dev, &dev_attr_tablet); |
8667ca95 | 701 | device_remove_file(&device->dev, &dev_attr_postcode); |
62ec30d4 MG |
702 | } |
703 | ||
702ef542 | 704 | static int __init hp_wmi_rfkill_setup(struct platform_device *device) |
62ec30d4 | 705 | { |
ea621d9f | 706 | int err, wireless; |
6d96e00c | 707 | |
ea621d9f | 708 | wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); |
527376c8 | 709 | if (wireless < 0) |
ea621d9f | 710 | return wireless; |
62ec30d4 | 711 | |
d8193cff | 712 | err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &wireless, |
fc8a601e AH |
713 | sizeof(wireless), 0); |
714 | if (err) | |
715 | return err; | |
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; | |
c7805e54 | 740 | goto register_bluetooth_error; |
dd258c00 | 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; | |
c7805e54 | 758 | goto register_wwan_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 MG |
768 | |
769 | return 0; | |
fffcad87 | 770 | |
5b5c2b3c KT |
771 | register_wwan_error: |
772 | rfkill_destroy(wwan_rfkill); | |
773 | wwan_rfkill = NULL; | |
c7805e54 MS |
774 | if (bluetooth_rfkill) |
775 | rfkill_unregister(bluetooth_rfkill); | |
fe8e4e03 | 776 | register_bluetooth_error: |
19d337df | 777 | rfkill_destroy(bluetooth_rfkill); |
6d97db59 | 778 | bluetooth_rfkill = NULL; |
44f0606d AM |
779 | if (wifi_rfkill) |
780 | rfkill_unregister(wifi_rfkill); | |
19d337df JB |
781 | register_wifi_error: |
782 | rfkill_destroy(wifi_rfkill); | |
6d97db59 | 783 | wifi_rfkill = NULL; |
eceb7bdf AH |
784 | return err; |
785 | } | |
786 | ||
702ef542 | 787 | static int __init hp_wmi_rfkill2_setup(struct platform_device *device) |
c0b9c649 | 788 | { |
c0b9c649 | 789 | struct bios_rfkill2_state state; |
3bf9310a DHV |
790 | int err, i; |
791 | ||
d8193cff | 792 | err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state, |
c0b9c649 AH |
793 | 0, sizeof(state)); |
794 | if (err) | |
527376c8 | 795 | return err < 0 ? err : -EINVAL; |
c0b9c649 AH |
796 | |
797 | if (state.count > HPWMI_MAX_RFKILL2_DEVICES) { | |
b5a4223c | 798 | pr_warn("unable to parse 0x1b query output\n"); |
c0b9c649 AH |
799 | return -EINVAL; |
800 | } | |
801 | ||
802 | for (i = 0; i < state.count; i++) { | |
803 | struct rfkill *rfkill; | |
804 | enum rfkill_type type; | |
805 | char *name; | |
806 | switch (state.device[i].radio_type) { | |
807 | case HPWMI_WIFI: | |
808 | type = RFKILL_TYPE_WLAN; | |
809 | name = "hp-wifi"; | |
810 | break; | |
811 | case HPWMI_BLUETOOTH: | |
812 | type = RFKILL_TYPE_BLUETOOTH; | |
813 | name = "hp-bluetooth"; | |
814 | break; | |
815 | case HPWMI_WWAN: | |
816 | type = RFKILL_TYPE_WWAN; | |
817 | name = "hp-wwan"; | |
818 | break; | |
4fca7ce3 TV |
819 | case HPWMI_GPS: |
820 | type = RFKILL_TYPE_GPS; | |
821 | name = "hp-gps"; | |
822 | break; | |
c0b9c649 | 823 | default: |
b5a4223c JP |
824 | pr_warn("unknown device type 0x%x\n", |
825 | state.device[i].radio_type); | |
c0b9c649 AH |
826 | continue; |
827 | } | |
828 | ||
829 | if (!state.device[i].vendor_id) { | |
b5a4223c JP |
830 | pr_warn("zero device %d while %d reported\n", |
831 | i, state.count); | |
c0b9c649 AH |
832 | continue; |
833 | } | |
834 | ||
835 | rfkill = rfkill_alloc(name, &device->dev, type, | |
836 | &hp_wmi_rfkill2_ops, (void *)(long)i); | |
837 | if (!rfkill) { | |
838 | err = -ENOMEM; | |
839 | goto fail; | |
840 | } | |
841 | ||
842 | rfkill2[rfkill2_count].id = state.device[i].rfkill_id; | |
843 | rfkill2[rfkill2_count].num = i; | |
844 | rfkill2[rfkill2_count].rfkill = rfkill; | |
845 | ||
846 | rfkill_init_sw_state(rfkill, | |
847 | IS_SWBLOCKED(state.device[i].power)); | |
848 | rfkill_set_hw_state(rfkill, | |
849 | IS_HWBLOCKED(state.device[i].power)); | |
850 | ||
851 | if (!(state.device[i].power & HPWMI_POWER_BIOS)) | |
b5a4223c | 852 | pr_info("device %s blocked by BIOS\n", name); |
c0b9c649 AH |
853 | |
854 | err = rfkill_register(rfkill); | |
855 | if (err) { | |
856 | rfkill_destroy(rfkill); | |
857 | goto fail; | |
858 | } | |
859 | ||
860 | rfkill2_count++; | |
861 | } | |
862 | ||
863 | return 0; | |
864 | fail: | |
865 | for (; rfkill2_count > 0; rfkill2_count--) { | |
866 | rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill); | |
867 | rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill); | |
868 | } | |
869 | return err; | |
870 | } | |
871 | ||
c165b80c | 872 | static int __init hp_wmi_bios_setup(struct platform_device *device) |
eceb7bdf AH |
873 | { |
874 | int err; | |
875 | ||
6d97db59 AH |
876 | /* clear detected rfkill devices */ |
877 | wifi_rfkill = NULL; | |
878 | bluetooth_rfkill = NULL; | |
879 | wwan_rfkill = NULL; | |
c0b9c649 | 880 | rfkill2_count = 0; |
6d97db59 | 881 | |
fc8a601e | 882 | if (hp_wmi_rfkill_setup(device)) |
c0b9c649 | 883 | hp_wmi_rfkill2_setup(device); |
eceb7bdf AH |
884 | |
885 | err = device_create_file(&device->dev, &dev_attr_display); | |
886 | if (err) | |
887 | goto add_sysfs_error; | |
888 | err = device_create_file(&device->dev, &dev_attr_hddtemp); | |
889 | if (err) | |
890 | goto add_sysfs_error; | |
891 | err = device_create_file(&device->dev, &dev_attr_als); | |
892 | if (err) | |
893 | goto add_sysfs_error; | |
894 | err = device_create_file(&device->dev, &dev_attr_dock); | |
895 | if (err) | |
896 | goto add_sysfs_error; | |
897 | err = device_create_file(&device->dev, &dev_attr_tablet); | |
8667ca95 AH |
898 | if (err) |
899 | goto add_sysfs_error; | |
900 | err = device_create_file(&device->dev, &dev_attr_postcode); | |
eceb7bdf AH |
901 | if (err) |
902 | goto add_sysfs_error; | |
903 | return 0; | |
904 | ||
62ec30d4 MG |
905 | add_sysfs_error: |
906 | cleanup_sysfs(device); | |
907 | return err; | |
908 | } | |
909 | ||
910 | static int __exit hp_wmi_bios_remove(struct platform_device *device) | |
911 | { | |
c0b9c649 | 912 | int i; |
62ec30d4 MG |
913 | cleanup_sysfs(device); |
914 | ||
c0b9c649 AH |
915 | for (i = 0; i < rfkill2_count; i++) { |
916 | rfkill_unregister(rfkill2[i].rfkill); | |
917 | rfkill_destroy(rfkill2[i].rfkill); | |
918 | } | |
919 | ||
19d337df | 920 | if (wifi_rfkill) { |
3f6e2f13 | 921 | rfkill_unregister(wifi_rfkill); |
19d337df JB |
922 | rfkill_destroy(wifi_rfkill); |
923 | } | |
924 | if (bluetooth_rfkill) { | |
3f6e2f13 | 925 | rfkill_unregister(bluetooth_rfkill); |
09729f0b | 926 | rfkill_destroy(bluetooth_rfkill); |
19d337df JB |
927 | } |
928 | if (wwan_rfkill) { | |
3f6e2f13 | 929 | rfkill_unregister(wwan_rfkill); |
19d337df JB |
930 | rfkill_destroy(wwan_rfkill); |
931 | } | |
62ec30d4 MG |
932 | |
933 | return 0; | |
934 | } | |
935 | ||
8dd2b426 | 936 | static int hp_wmi_resume_handler(struct device *device) |
4c395bdd | 937 | { |
4c395bdd | 938 | /* |
871043bc MG |
939 | * Hardware state may have changed while suspended, so trigger |
940 | * input events for the current state. As this is a switch, | |
4c395bdd FP |
941 | * the input layer will only actually pass it on if the state |
942 | * changed. | |
943 | */ | |
daed9537 | 944 | if (hp_wmi_input_dev) { |
298747b7 CC |
945 | if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit)) |
946 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
f9cf3b28 | 947 | hp_wmi_hw_state(HPWMI_DOCK_MASK)); |
298747b7 CC |
948 | if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) |
949 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
f9cf3b28 | 950 | hp_wmi_hw_state(HPWMI_TABLET_MASK)); |
daed9537 FP |
951 | input_sync(hp_wmi_input_dev); |
952 | } | |
4c395bdd | 953 | |
c0b9c649 AH |
954 | if (rfkill2_count) |
955 | hp_wmi_rfkill2_refresh(); | |
956 | ||
e5fbba85 AJ |
957 | if (wifi_rfkill) |
958 | rfkill_set_states(wifi_rfkill, | |
959 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
960 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
961 | if (bluetooth_rfkill) | |
962 | rfkill_set_states(bluetooth_rfkill, | |
963 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
964 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
965 | if (wwan_rfkill) | |
966 | rfkill_set_states(wwan_rfkill, | |
967 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
968 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
969 | ||
4c395bdd FP |
970 | return 0; |
971 | } | |
972 | ||
c165b80c DT |
973 | static const struct dev_pm_ops hp_wmi_pm_ops = { |
974 | .resume = hp_wmi_resume_handler, | |
975 | .restore = hp_wmi_resume_handler, | |
976 | }; | |
977 | ||
978 | static struct platform_driver hp_wmi_driver = { | |
979 | .driver = { | |
980 | .name = "hp-wmi", | |
c165b80c DT |
981 | .pm = &hp_wmi_pm_ops, |
982 | }, | |
983 | .remove = __exit_p(hp_wmi_bios_remove), | |
984 | }; | |
985 | ||
62ec30d4 MG |
986 | static int __init hp_wmi_init(void) |
987 | { | |
b096667b TR |
988 | int event_capable = wmi_has_guid(HPWMI_EVENT_GUID); |
989 | int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID); | |
3bf9310a | 990 | int err; |
62ec30d4 | 991 | |
c165b80c DT |
992 | if (!bios_capable && !event_capable) |
993 | return -ENODEV; | |
994 | ||
b096667b | 995 | if (event_capable) { |
dfec5c48 | 996 | err = hp_wmi_input_setup(); |
4d291ed7 | 997 | if (err) |
dfec5c48 | 998 | return err; |
62ec30d4 MG |
999 | } |
1000 | ||
b096667b | 1001 | if (bios_capable) { |
c165b80c DT |
1002 | hp_wmi_platform_dev = |
1003 | platform_device_register_simple("hp-wmi", -1, NULL, 0); | |
1004 | if (IS_ERR(hp_wmi_platform_dev)) { | |
1005 | err = PTR_ERR(hp_wmi_platform_dev); | |
1006 | goto err_destroy_input; | |
62ec30d4 | 1007 | } |
c165b80c DT |
1008 | |
1009 | err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup); | |
dfec5c48 | 1010 | if (err) |
c165b80c | 1011 | goto err_unregister_device; |
62ec30d4 MG |
1012 | } |
1013 | ||
1014 | return 0; | |
dfec5c48 | 1015 | |
c165b80c DT |
1016 | err_unregister_device: |
1017 | platform_device_unregister(hp_wmi_platform_dev); | |
1018 | err_destroy_input: | |
4d291ed7 DT |
1019 | if (event_capable) |
1020 | hp_wmi_input_destroy(); | |
dfec5c48 AL |
1021 | |
1022 | return err; | |
62ec30d4 | 1023 | } |
c165b80c | 1024 | module_init(hp_wmi_init); |
62ec30d4 MG |
1025 | |
1026 | static void __exit hp_wmi_exit(void) | |
1027 | { | |
4d291ed7 DT |
1028 | if (wmi_has_guid(HPWMI_EVENT_GUID)) |
1029 | hp_wmi_input_destroy(); | |
1030 | ||
62ec30d4 | 1031 | if (hp_wmi_platform_dev) { |
97ba0af0 | 1032 | platform_device_unregister(hp_wmi_platform_dev); |
62ec30d4 MG |
1033 | platform_driver_unregister(&hp_wmi_driver); |
1034 | } | |
1035 | } | |
62ec30d4 | 1036 | module_exit(hp_wmi_exit); |