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62ec30d4 MG |
1 | /* |
2 | * HP WMI hotkeys | |
3 | * | |
4 | * Copyright (C) 2008 Red Hat <mjg@redhat.com> | |
5 | * | |
6 | * Portions based on wistron_btns.c: | |
7 | * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> | |
8 | * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> | |
9 | * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #include <linux/kernel.h> | |
27 | #include <linux/module.h> | |
28 | #include <linux/init.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
62ec30d4 MG |
30 | #include <linux/types.h> |
31 | #include <linux/input.h> | |
62ec30d4 MG |
32 | #include <linux/platform_device.h> |
33 | #include <linux/acpi.h> | |
34 | #include <linux/rfkill.h> | |
35 | #include <linux/string.h> | |
36 | ||
37 | MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>"); | |
38 | MODULE_DESCRIPTION("HP laptop WMI hotkeys driver"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
41 | MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C"); | |
42 | MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4"); | |
43 | ||
44 | #define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C" | |
45 | #define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4" | |
46 | ||
47 | #define HPWMI_DISPLAY_QUERY 0x1 | |
48 | #define HPWMI_HDDTEMP_QUERY 0x2 | |
49 | #define HPWMI_ALS_QUERY 0x3 | |
871043bc | 50 | #define HPWMI_HARDWARE_QUERY 0x4 |
62ec30d4 | 51 | #define HPWMI_WIRELESS_QUERY 0x5 |
a8823aef | 52 | #define HPWMI_HOTKEY_QUERY 0xc |
62ec30d4 | 53 | |
a2806c6f | 54 | #define PREFIX "HP WMI: " |
1bbdfd59 | 55 | #define UNIMP "Unimplemented " |
a2806c6f | 56 | |
e5fbba85 AJ |
57 | enum hp_wmi_radio { |
58 | HPWMI_WIFI = 0, | |
59 | HPWMI_BLUETOOTH = 1, | |
60 | HPWMI_WWAN = 2, | |
61 | }; | |
62 | ||
751ae808 TR |
63 | enum hp_wmi_event_ids { |
64 | HPWMI_DOCK_EVENT = 1, | |
1bbdfd59 TR |
65 | HPWMI_PARK_HDD = 2, |
66 | HPWMI_SMART_ADAPTER = 3, | |
751ae808 TR |
67 | HPWMI_BEZEL_BUTTON = 4, |
68 | HPWMI_WIRELESS = 5, | |
1bbdfd59 TR |
69 | HPWMI_CPU_BATTERY_THROTTLE = 6, |
70 | HPWMI_LOCK_SWITCH = 7, | |
751ae808 TR |
71 | }; |
72 | ||
ea79632d | 73 | static int __devinit hp_wmi_bios_setup(struct platform_device *device); |
62ec30d4 | 74 | static int __exit hp_wmi_bios_remove(struct platform_device *device); |
8dd2b426 | 75 | static int hp_wmi_resume_handler(struct device *device); |
62ec30d4 MG |
76 | |
77 | struct bios_args { | |
78 | u32 signature; | |
79 | u32 command; | |
80 | u32 commandtype; | |
81 | u32 datasize; | |
a8ec105c | 82 | u32 data; |
62ec30d4 MG |
83 | }; |
84 | ||
85 | struct bios_return { | |
86 | u32 sigpass; | |
87 | u32 return_code; | |
a8ec105c | 88 | u32 value; |
62ec30d4 MG |
89 | }; |
90 | ||
91 | struct key_entry { | |
92 | char type; /* See KE_* below */ | |
a8823aef | 93 | u16 code; |
62ec30d4 MG |
94 | u16 keycode; |
95 | }; | |
96 | ||
871043bc | 97 | enum { KE_KEY, KE_END }; |
62ec30d4 MG |
98 | |
99 | static struct key_entry hp_wmi_keymap[] = { | |
62ec30d4 MG |
100 | {KE_KEY, 0x02, KEY_BRIGHTNESSUP}, |
101 | {KE_KEY, 0x03, KEY_BRIGHTNESSDOWN}, | |
a8823aef | 102 | {KE_KEY, 0x20e6, KEY_PROG1}, |
f6b2ff08 | 103 | {KE_KEY, 0x20e8, KEY_MEDIA}, |
a8823aef | 104 | {KE_KEY, 0x2142, KEY_MEDIA}, |
5c624841 | 105 | {KE_KEY, 0x213b, KEY_INFO}, |
caeacf59 | 106 | {KE_KEY, 0x2169, KEY_DIRECTION}, |
a8823aef | 107 | {KE_KEY, 0x231b, KEY_HELP}, |
62ec30d4 MG |
108 | {KE_END, 0} |
109 | }; | |
110 | ||
111 | static struct input_dev *hp_wmi_input_dev; | |
112 | static struct platform_device *hp_wmi_platform_dev; | |
113 | ||
114 | static struct rfkill *wifi_rfkill; | |
115 | static struct rfkill *bluetooth_rfkill; | |
116 | static struct rfkill *wwan_rfkill; | |
117 | ||
47145210 | 118 | static const struct dev_pm_ops hp_wmi_pm_ops = { |
8dd2b426 FP |
119 | .resume = hp_wmi_resume_handler, |
120 | .restore = hp_wmi_resume_handler, | |
121 | }; | |
122 | ||
62ec30d4 MG |
123 | static struct platform_driver hp_wmi_driver = { |
124 | .driver = { | |
8dd2b426 FP |
125 | .name = "hp-wmi", |
126 | .owner = THIS_MODULE, | |
127 | .pm = &hp_wmi_pm_ops, | |
62ec30d4 MG |
128 | }, |
129 | .probe = hp_wmi_bios_setup, | |
130 | .remove = hp_wmi_bios_remove, | |
131 | }; | |
132 | ||
6d96e00c TR |
133 | /* |
134 | * hp_wmi_perform_query | |
135 | * | |
136 | * query: The commandtype -> What should be queried | |
137 | * write: The command -> 0 read, 1 write, 3 ODM specific | |
138 | * buffer: Buffer used as input and/or output | |
139 | * buffersize: Size of buffer | |
140 | * | |
141 | * returns zero on success | |
142 | * an HP WMI query specific error code (which is positive) | |
143 | * -EINVAL if the query was not successful at all | |
144 | * -EINVAL if the output buffer size exceeds buffersize | |
145 | * | |
146 | * Note: The buffersize must at least be the maximum of the input and output | |
147 | * size. E.g. Battery info query (0x7) is defined to have 1 byte input | |
148 | * and 128 byte output. The caller would do: | |
149 | * buffer = kzalloc(128, GFP_KERNEL); | |
150 | * ret = hp_wmi_perform_query(0x7, 0, buffer, 128) | |
151 | */ | |
a8ec105c | 152 | static int hp_wmi_perform_query(int query, int write, u32 *buffer, |
6d96e00c | 153 | int buffersize) |
62ec30d4 MG |
154 | { |
155 | struct bios_return bios_return; | |
156 | acpi_status status; | |
157 | union acpi_object *obj; | |
158 | struct bios_args args = { | |
159 | .signature = 0x55434553, | |
160 | .command = write ? 0x2 : 0x1, | |
161 | .commandtype = query, | |
6d96e00c | 162 | .datasize = buffersize, |
a8ec105c | 163 | .data = *buffer, |
62ec30d4 MG |
164 | }; |
165 | struct acpi_buffer input = { sizeof(struct bios_args), &args }; | |
166 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
167 | ||
168 | status = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output); | |
169 | ||
170 | obj = output.pointer; | |
171 | ||
44ef00e6 | 172 | if (!obj) |
62ec30d4 | 173 | return -EINVAL; |
44ef00e6 TR |
174 | else if (obj->type != ACPI_TYPE_BUFFER) { |
175 | kfree(obj); | |
176 | return -EINVAL; | |
177 | } | |
62ec30d4 MG |
178 | |
179 | bios_return = *((struct bios_return *)obj->buffer.pointer); | |
6d96e00c | 180 | |
a8ec105c | 181 | memcpy(buffer, &bios_return.value, sizeof(bios_return.value)); |
6d96e00c | 182 | return 0; |
62ec30d4 MG |
183 | } |
184 | ||
185 | static int hp_wmi_display_state(void) | |
186 | { | |
a8ec105c MG |
187 | int state = 0; |
188 | int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state, | |
6d96e00c TR |
189 | sizeof(state)); |
190 | if (ret) | |
191 | return -EINVAL; | |
192 | return state; | |
62ec30d4 MG |
193 | } |
194 | ||
195 | static int hp_wmi_hddtemp_state(void) | |
196 | { | |
a8ec105c MG |
197 | int state = 0; |
198 | int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state, | |
6d96e00c TR |
199 | sizeof(state)); |
200 | if (ret) | |
201 | return -EINVAL; | |
202 | return state; | |
62ec30d4 MG |
203 | } |
204 | ||
205 | static int hp_wmi_als_state(void) | |
206 | { | |
a8ec105c MG |
207 | int state = 0; |
208 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state, | |
6d96e00c TR |
209 | sizeof(state)); |
210 | if (ret) | |
211 | return -EINVAL; | |
212 | return state; | |
62ec30d4 MG |
213 | } |
214 | ||
215 | static int hp_wmi_dock_state(void) | |
216 | { | |
a8ec105c MG |
217 | int state = 0; |
218 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, | |
6d96e00c | 219 | sizeof(state)); |
62ec30d4 | 220 | |
6d96e00c TR |
221 | if (ret) |
222 | return -EINVAL; | |
871043bc | 223 | |
6d96e00c | 224 | return state & 0x1; |
62ec30d4 MG |
225 | } |
226 | ||
871043bc | 227 | static int hp_wmi_tablet_state(void) |
62ec30d4 | 228 | { |
a8ec105c MG |
229 | int state = 0; |
230 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, | |
6d96e00c TR |
231 | sizeof(state)); |
232 | if (ret) | |
871043bc MG |
233 | return ret; |
234 | ||
6d96e00c | 235 | return (state & 0x4) ? 1 : 0; |
62ec30d4 MG |
236 | } |
237 | ||
19d337df | 238 | static int hp_wmi_set_block(void *data, bool blocked) |
62ec30d4 | 239 | { |
e5fbba85 AJ |
240 | enum hp_wmi_radio r = (enum hp_wmi_radio) data; |
241 | int query = BIT(r + 8) | ((!blocked) << r); | |
6d96e00c | 242 | int ret; |
62ec30d4 | 243 | |
6d96e00c | 244 | ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, |
a8ec105c | 245 | &query, sizeof(query)); |
6d96e00c TR |
246 | if (ret) |
247 | return -EINVAL; | |
248 | return 0; | |
62ec30d4 MG |
249 | } |
250 | ||
19d337df JB |
251 | static const struct rfkill_ops hp_wmi_rfkill_ops = { |
252 | .set_block = hp_wmi_set_block, | |
253 | }; | |
62ec30d4 | 254 | |
e5fbba85 | 255 | static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) |
62ec30d4 | 256 | { |
a8ec105c | 257 | int wireless = 0; |
6d96e00c TR |
258 | int mask; |
259 | hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, | |
a8ec105c | 260 | &wireless, sizeof(wireless)); |
6d96e00c TR |
261 | /* TBD: Pass error */ |
262 | ||
263 | mask = 0x200 << (r * 8); | |
62ec30d4 | 264 | |
e5fbba85 | 265 | if (wireless & mask) |
19d337df | 266 | return false; |
62ec30d4 | 267 | else |
19d337df | 268 | return true; |
62ec30d4 MG |
269 | } |
270 | ||
e5fbba85 | 271 | static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) |
62ec30d4 | 272 | { |
a8ec105c | 273 | int wireless = 0; |
6d96e00c TR |
274 | int mask; |
275 | hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, | |
a8ec105c | 276 | &wireless, sizeof(wireless)); |
6d96e00c TR |
277 | /* TBD: Pass error */ |
278 | ||
279 | mask = 0x800 << (r * 8); | |
62ec30d4 | 280 | |
e5fbba85 | 281 | if (wireless & mask) |
19d337df | 282 | return false; |
62ec30d4 | 283 | else |
19d337df | 284 | return true; |
62ec30d4 MG |
285 | } |
286 | ||
287 | static ssize_t show_display(struct device *dev, struct device_attribute *attr, | |
288 | char *buf) | |
289 | { | |
290 | int value = hp_wmi_display_state(); | |
291 | if (value < 0) | |
292 | return -EINVAL; | |
293 | return sprintf(buf, "%d\n", value); | |
294 | } | |
295 | ||
296 | static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr, | |
297 | char *buf) | |
298 | { | |
299 | int value = hp_wmi_hddtemp_state(); | |
300 | if (value < 0) | |
301 | return -EINVAL; | |
302 | return sprintf(buf, "%d\n", value); | |
303 | } | |
304 | ||
305 | static ssize_t show_als(struct device *dev, struct device_attribute *attr, | |
306 | char *buf) | |
307 | { | |
308 | int value = hp_wmi_als_state(); | |
309 | if (value < 0) | |
310 | return -EINVAL; | |
311 | return sprintf(buf, "%d\n", value); | |
312 | } | |
313 | ||
314 | static ssize_t show_dock(struct device *dev, struct device_attribute *attr, | |
315 | char *buf) | |
316 | { | |
317 | int value = hp_wmi_dock_state(); | |
318 | if (value < 0) | |
319 | return -EINVAL; | |
320 | return sprintf(buf, "%d\n", value); | |
321 | } | |
322 | ||
871043bc MG |
323 | static ssize_t show_tablet(struct device *dev, struct device_attribute *attr, |
324 | char *buf) | |
325 | { | |
326 | int value = hp_wmi_tablet_state(); | |
327 | if (value < 0) | |
328 | return -EINVAL; | |
329 | return sprintf(buf, "%d\n", value); | |
330 | } | |
331 | ||
62ec30d4 MG |
332 | static ssize_t set_als(struct device *dev, struct device_attribute *attr, |
333 | const char *buf, size_t count) | |
334 | { | |
335 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
a8ec105c | 336 | int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp, |
6d96e00c TR |
337 | sizeof(tmp)); |
338 | if (ret) | |
339 | return -EINVAL; | |
340 | ||
62ec30d4 MG |
341 | return count; |
342 | } | |
343 | ||
344 | static DEVICE_ATTR(display, S_IRUGO, show_display, NULL); | |
345 | static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL); | |
346 | static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als); | |
347 | static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL); | |
871043bc | 348 | static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL); |
62ec30d4 | 349 | |
58b93995 | 350 | static struct key_entry *hp_wmi_get_entry_by_scancode(unsigned int code) |
62ec30d4 MG |
351 | { |
352 | struct key_entry *key; | |
353 | ||
354 | for (key = hp_wmi_keymap; key->type != KE_END; key++) | |
355 | if (code == key->code) | |
356 | return key; | |
357 | ||
358 | return NULL; | |
359 | } | |
360 | ||
58b93995 | 361 | static struct key_entry *hp_wmi_get_entry_by_keycode(unsigned int keycode) |
62ec30d4 MG |
362 | { |
363 | struct key_entry *key; | |
364 | ||
365 | for (key = hp_wmi_keymap; key->type != KE_END; key++) | |
366 | if (key->type == KE_KEY && keycode == key->keycode) | |
367 | return key; | |
368 | ||
369 | return NULL; | |
370 | } | |
371 | ||
58b93995 DT |
372 | static int hp_wmi_getkeycode(struct input_dev *dev, |
373 | unsigned int scancode, unsigned int *keycode) | |
62ec30d4 MG |
374 | { |
375 | struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode); | |
376 | ||
377 | if (key && key->type == KE_KEY) { | |
378 | *keycode = key->keycode; | |
379 | return 0; | |
380 | } | |
381 | ||
382 | return -EINVAL; | |
383 | } | |
384 | ||
58b93995 DT |
385 | static int hp_wmi_setkeycode(struct input_dev *dev, |
386 | unsigned int scancode, unsigned int keycode) | |
62ec30d4 MG |
387 | { |
388 | struct key_entry *key; | |
58b93995 | 389 | unsigned int old_keycode; |
62ec30d4 MG |
390 | |
391 | key = hp_wmi_get_entry_by_scancode(scancode); | |
392 | if (key && key->type == KE_KEY) { | |
393 | old_keycode = key->keycode; | |
394 | key->keycode = keycode; | |
395 | set_bit(keycode, dev->keybit); | |
396 | if (!hp_wmi_get_entry_by_keycode(old_keycode)) | |
397 | clear_bit(old_keycode, dev->keybit); | |
398 | return 0; | |
399 | } | |
400 | ||
401 | return -EINVAL; | |
402 | } | |
403 | ||
88429a10 | 404 | static void hp_wmi_notify(u32 value, void *context) |
62ec30d4 MG |
405 | { |
406 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
407 | static struct key_entry *key; | |
408 | union acpi_object *obj; | |
8dda6b04 | 409 | u32 event_id, event_data; |
a8ec105c | 410 | int key_code = 0, ret; |
8dda6b04 | 411 | u32 *location; |
fda11e61 | 412 | acpi_status status; |
62ec30d4 | 413 | |
fda11e61 LB |
414 | status = wmi_get_event_data(value, &response); |
415 | if (status != AE_OK) { | |
a2806c6f | 416 | printk(KERN_INFO PREFIX "bad event status 0x%x\n", status); |
fda11e61 LB |
417 | return; |
418 | } | |
62ec30d4 MG |
419 | |
420 | obj = (union acpi_object *)response.pointer; | |
421 | ||
c4775062 TR |
422 | if (!obj) |
423 | return; | |
424 | if (obj->type != ACPI_TYPE_BUFFER) { | |
8dda6b04 TR |
425 | printk(KERN_INFO "hp-wmi: Unknown response received %d\n", |
426 | obj->type); | |
44ef00e6 | 427 | kfree(obj); |
e5fbba85 AJ |
428 | return; |
429 | } | |
430 | ||
8dda6b04 TR |
431 | /* |
432 | * Depending on ACPI version the concatenation of id and event data | |
433 | * inside _WED function will result in a 8 or 16 byte buffer. | |
434 | */ | |
435 | location = (u32 *)obj->buffer.pointer; | |
436 | if (obj->buffer.length == 8) { | |
437 | event_id = *location; | |
438 | event_data = *(location + 1); | |
439 | } else if (obj->buffer.length == 16) { | |
440 | event_id = *location; | |
441 | event_data = *(location + 2); | |
442 | } else { | |
443 | printk(KERN_INFO "hp-wmi: Unknown buffer length %d\n", | |
444 | obj->buffer.length); | |
445 | kfree(obj); | |
446 | return; | |
447 | } | |
44ef00e6 | 448 | kfree(obj); |
8dda6b04 TR |
449 | |
450 | switch (event_id) { | |
751ae808 | 451 | case HPWMI_DOCK_EVENT: |
e5fbba85 AJ |
452 | input_report_switch(hp_wmi_input_dev, SW_DOCK, |
453 | hp_wmi_dock_state()); | |
454 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
455 | hp_wmi_tablet_state()); | |
456 | input_sync(hp_wmi_input_dev); | |
751ae808 | 457 | break; |
1bbdfd59 TR |
458 | case HPWMI_PARK_HDD: |
459 | break; | |
460 | case HPWMI_SMART_ADAPTER: | |
461 | break; | |
751ae808 | 462 | case HPWMI_BEZEL_BUTTON: |
6d96e00c | 463 | ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, |
a8ec105c | 464 | &key_code, |
6d96e00c TR |
465 | sizeof(key_code)); |
466 | if (ret) | |
467 | break; | |
751ae808 TR |
468 | key = hp_wmi_get_entry_by_scancode(key_code); |
469 | if (key) { | |
470 | switch (key->type) { | |
471 | case KE_KEY: | |
472 | input_report_key(hp_wmi_input_dev, | |
473 | key->keycode, 1); | |
474 | input_sync(hp_wmi_input_dev); | |
475 | input_report_key(hp_wmi_input_dev, | |
476 | key->keycode, 0); | |
477 | input_sync(hp_wmi_input_dev); | |
478 | break; | |
479 | } | |
da9a79ba | 480 | } else |
a2806c6f | 481 | printk(KERN_INFO PREFIX "Unknown key code - 0x%x\n", |
da9a79ba | 482 | key_code); |
751ae808 TR |
483 | break; |
484 | case HPWMI_WIRELESS: | |
e5fbba85 AJ |
485 | if (wifi_rfkill) |
486 | rfkill_set_states(wifi_rfkill, | |
487 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
488 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
489 | if (bluetooth_rfkill) | |
490 | rfkill_set_states(bluetooth_rfkill, | |
491 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
492 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
493 | if (wwan_rfkill) | |
494 | rfkill_set_states(wwan_rfkill, | |
495 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
496 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
751ae808 | 497 | break; |
1bbdfd59 TR |
498 | case HPWMI_CPU_BATTERY_THROTTLE: |
499 | printk(KERN_INFO PREFIX UNIMP "CPU throttle because of 3 Cell" | |
500 | " battery event detected\n"); | |
501 | break; | |
502 | case HPWMI_LOCK_SWITCH: | |
503 | break; | |
751ae808 | 504 | default: |
8dda6b04 TR |
505 | printk(KERN_INFO PREFIX "Unknown event_id - %d - 0x%x\n", |
506 | event_id, event_data); | |
751ae808 TR |
507 | break; |
508 | } | |
62ec30d4 MG |
509 | } |
510 | ||
511 | static int __init hp_wmi_input_setup(void) | |
512 | { | |
513 | struct key_entry *key; | |
514 | int err; | |
515 | ||
516 | hp_wmi_input_dev = input_allocate_device(); | |
bc28596a AL |
517 | if (!hp_wmi_input_dev) |
518 | return -ENOMEM; | |
62ec30d4 MG |
519 | |
520 | hp_wmi_input_dev->name = "HP WMI hotkeys"; | |
521 | hp_wmi_input_dev->phys = "wmi/input0"; | |
522 | hp_wmi_input_dev->id.bustype = BUS_HOST; | |
523 | hp_wmi_input_dev->getkeycode = hp_wmi_getkeycode; | |
524 | hp_wmi_input_dev->setkeycode = hp_wmi_setkeycode; | |
525 | ||
526 | for (key = hp_wmi_keymap; key->type != KE_END; key++) { | |
527 | switch (key->type) { | |
528 | case KE_KEY: | |
529 | set_bit(EV_KEY, hp_wmi_input_dev->evbit); | |
530 | set_bit(key->keycode, hp_wmi_input_dev->keybit); | |
531 | break; | |
62ec30d4 MG |
532 | } |
533 | } | |
534 | ||
871043bc MG |
535 | set_bit(EV_SW, hp_wmi_input_dev->evbit); |
536 | set_bit(SW_DOCK, hp_wmi_input_dev->swbit); | |
537 | set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); | |
538 | ||
539 | /* Set initial hardware state */ | |
540 | input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state()); | |
541 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
542 | hp_wmi_tablet_state()); | |
543 | input_sync(hp_wmi_input_dev); | |
544 | ||
62ec30d4 MG |
545 | err = input_register_device(hp_wmi_input_dev); |
546 | ||
547 | if (err) { | |
548 | input_free_device(hp_wmi_input_dev); | |
549 | return err; | |
550 | } | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
555 | static void cleanup_sysfs(struct platform_device *device) | |
556 | { | |
557 | device_remove_file(&device->dev, &dev_attr_display); | |
558 | device_remove_file(&device->dev, &dev_attr_hddtemp); | |
559 | device_remove_file(&device->dev, &dev_attr_als); | |
560 | device_remove_file(&device->dev, &dev_attr_dock); | |
871043bc | 561 | device_remove_file(&device->dev, &dev_attr_tablet); |
62ec30d4 MG |
562 | } |
563 | ||
ea79632d | 564 | static int __devinit hp_wmi_bios_setup(struct platform_device *device) |
62ec30d4 MG |
565 | { |
566 | int err; | |
a8ec105c | 567 | int wireless = 0; |
6d96e00c | 568 | |
a8ec105c | 569 | err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless, |
6d96e00c TR |
570 | sizeof(wireless)); |
571 | if (err) | |
572 | return err; | |
62ec30d4 MG |
573 | |
574 | err = device_create_file(&device->dev, &dev_attr_display); | |
575 | if (err) | |
576 | goto add_sysfs_error; | |
577 | err = device_create_file(&device->dev, &dev_attr_hddtemp); | |
578 | if (err) | |
579 | goto add_sysfs_error; | |
580 | err = device_create_file(&device->dev, &dev_attr_als); | |
581 | if (err) | |
582 | goto add_sysfs_error; | |
583 | err = device_create_file(&device->dev, &dev_attr_dock); | |
871043bc MG |
584 | if (err) |
585 | goto add_sysfs_error; | |
586 | err = device_create_file(&device->dev, &dev_attr_tablet); | |
62ec30d4 MG |
587 | if (err) |
588 | goto add_sysfs_error; | |
589 | ||
3f6e2f13 | 590 | if (wireless & 0x1) { |
19d337df JB |
591 | wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, |
592 | RFKILL_TYPE_WLAN, | |
593 | &hp_wmi_rfkill_ops, | |
e5fbba85 AJ |
594 | (void *) HPWMI_WIFI); |
595 | rfkill_init_sw_state(wifi_rfkill, | |
596 | hp_wmi_get_sw_state(HPWMI_WIFI)); | |
597 | rfkill_set_hw_state(wifi_rfkill, | |
598 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
fe8e4e03 LF |
599 | err = rfkill_register(wifi_rfkill); |
600 | if (err) | |
19d337df | 601 | goto register_wifi_error; |
3f6e2f13 MG |
602 | } |
603 | ||
604 | if (wireless & 0x2) { | |
19d337df JB |
605 | bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev, |
606 | RFKILL_TYPE_BLUETOOTH, | |
607 | &hp_wmi_rfkill_ops, | |
e5fbba85 AJ |
608 | (void *) HPWMI_BLUETOOTH); |
609 | rfkill_init_sw_state(bluetooth_rfkill, | |
610 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH)); | |
611 | rfkill_set_hw_state(bluetooth_rfkill, | |
612 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
fe8e4e03 | 613 | err = rfkill_register(bluetooth_rfkill); |
6989d565 | 614 | if (err) |
fe8e4e03 | 615 | goto register_bluetooth_error; |
3f6e2f13 MG |
616 | } |
617 | ||
618 | if (wireless & 0x4) { | |
19d337df JB |
619 | wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev, |
620 | RFKILL_TYPE_WWAN, | |
621 | &hp_wmi_rfkill_ops, | |
e5fbba85 AJ |
622 | (void *) HPWMI_WWAN); |
623 | rfkill_init_sw_state(wwan_rfkill, | |
624 | hp_wmi_get_sw_state(HPWMI_WWAN)); | |
625 | rfkill_set_hw_state(wwan_rfkill, | |
626 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
fe8e4e03 LF |
627 | err = rfkill_register(wwan_rfkill); |
628 | if (err) | |
629 | goto register_wwan_err; | |
3f6e2f13 | 630 | } |
62ec30d4 MG |
631 | |
632 | return 0; | |
fe8e4e03 | 633 | register_wwan_err: |
19d337df | 634 | rfkill_destroy(wwan_rfkill); |
44f0606d AM |
635 | if (bluetooth_rfkill) |
636 | rfkill_unregister(bluetooth_rfkill); | |
fe8e4e03 | 637 | register_bluetooth_error: |
19d337df | 638 | rfkill_destroy(bluetooth_rfkill); |
44f0606d AM |
639 | if (wifi_rfkill) |
640 | rfkill_unregister(wifi_rfkill); | |
19d337df JB |
641 | register_wifi_error: |
642 | rfkill_destroy(wifi_rfkill); | |
62ec30d4 MG |
643 | add_sysfs_error: |
644 | cleanup_sysfs(device); | |
645 | return err; | |
646 | } | |
647 | ||
648 | static int __exit hp_wmi_bios_remove(struct platform_device *device) | |
649 | { | |
650 | cleanup_sysfs(device); | |
651 | ||
19d337df | 652 | if (wifi_rfkill) { |
3f6e2f13 | 653 | rfkill_unregister(wifi_rfkill); |
19d337df JB |
654 | rfkill_destroy(wifi_rfkill); |
655 | } | |
656 | if (bluetooth_rfkill) { | |
3f6e2f13 | 657 | rfkill_unregister(bluetooth_rfkill); |
09729f0b | 658 | rfkill_destroy(bluetooth_rfkill); |
19d337df JB |
659 | } |
660 | if (wwan_rfkill) { | |
3f6e2f13 | 661 | rfkill_unregister(wwan_rfkill); |
19d337df JB |
662 | rfkill_destroy(wwan_rfkill); |
663 | } | |
62ec30d4 MG |
664 | |
665 | return 0; | |
666 | } | |
667 | ||
8dd2b426 | 668 | static int hp_wmi_resume_handler(struct device *device) |
4c395bdd | 669 | { |
4c395bdd | 670 | /* |
871043bc MG |
671 | * Hardware state may have changed while suspended, so trigger |
672 | * input events for the current state. As this is a switch, | |
4c395bdd FP |
673 | * the input layer will only actually pass it on if the state |
674 | * changed. | |
675 | */ | |
daed9537 FP |
676 | if (hp_wmi_input_dev) { |
677 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
678 | hp_wmi_dock_state()); | |
679 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
680 | hp_wmi_tablet_state()); | |
681 | input_sync(hp_wmi_input_dev); | |
682 | } | |
4c395bdd | 683 | |
e5fbba85 AJ |
684 | if (wifi_rfkill) |
685 | rfkill_set_states(wifi_rfkill, | |
686 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
687 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
688 | if (bluetooth_rfkill) | |
689 | rfkill_set_states(bluetooth_rfkill, | |
690 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
691 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
692 | if (wwan_rfkill) | |
693 | rfkill_set_states(wwan_rfkill, | |
694 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
695 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
696 | ||
4c395bdd FP |
697 | return 0; |
698 | } | |
699 | ||
62ec30d4 MG |
700 | static int __init hp_wmi_init(void) |
701 | { | |
702 | int err; | |
b096667b TR |
703 | int event_capable = wmi_has_guid(HPWMI_EVENT_GUID); |
704 | int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID); | |
62ec30d4 | 705 | |
b096667b | 706 | if (event_capable) { |
62ec30d4 MG |
707 | err = wmi_install_notify_handler(HPWMI_EVENT_GUID, |
708 | hp_wmi_notify, NULL); | |
dfec5c48 AL |
709 | if (ACPI_FAILURE(err)) |
710 | return -EINVAL; | |
711 | err = hp_wmi_input_setup(); | |
712 | if (err) { | |
713 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
714 | return err; | |
715 | } | |
62ec30d4 MG |
716 | } |
717 | ||
b096667b | 718 | if (bios_capable) { |
62ec30d4 MG |
719 | err = platform_driver_register(&hp_wmi_driver); |
720 | if (err) | |
dfec5c48 | 721 | goto err_driver_reg; |
62ec30d4 MG |
722 | hp_wmi_platform_dev = platform_device_alloc("hp-wmi", -1); |
723 | if (!hp_wmi_platform_dev) { | |
dfec5c48 AL |
724 | err = -ENOMEM; |
725 | goto err_device_alloc; | |
62ec30d4 | 726 | } |
dfec5c48 AL |
727 | err = platform_device_add(hp_wmi_platform_dev); |
728 | if (err) | |
729 | goto err_device_add; | |
62ec30d4 MG |
730 | } |
731 | ||
b096667b TR |
732 | if (!bios_capable && !event_capable) |
733 | return -ENODEV; | |
734 | ||
62ec30d4 | 735 | return 0; |
dfec5c48 AL |
736 | |
737 | err_device_add: | |
738 | platform_device_put(hp_wmi_platform_dev); | |
739 | err_device_alloc: | |
740 | platform_driver_unregister(&hp_wmi_driver); | |
741 | err_driver_reg: | |
742 | if (wmi_has_guid(HPWMI_EVENT_GUID)) { | |
743 | input_unregister_device(hp_wmi_input_dev); | |
744 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
745 | } | |
746 | ||
747 | return err; | |
62ec30d4 MG |
748 | } |
749 | ||
750 | static void __exit hp_wmi_exit(void) | |
751 | { | |
752 | if (wmi_has_guid(HPWMI_EVENT_GUID)) { | |
753 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
754 | input_unregister_device(hp_wmi_input_dev); | |
755 | } | |
756 | if (hp_wmi_platform_dev) { | |
97ba0af0 | 757 | platform_device_unregister(hp_wmi_platform_dev); |
62ec30d4 MG |
758 | platform_driver_unregister(&hp_wmi_driver); |
759 | } | |
760 | } | |
761 | ||
762 | module_init(hp_wmi_init); | |
763 | module_exit(hp_wmi_exit); |