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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> | |
32 | #include <acpi/acpi_drivers.h> | |
33 | #include <linux/platform_device.h> | |
34 | #include <linux/acpi.h> | |
35 | #include <linux/rfkill.h> | |
36 | #include <linux/string.h> | |
37 | ||
38 | MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>"); | |
39 | MODULE_DESCRIPTION("HP laptop WMI hotkeys driver"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
42 | MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C"); | |
43 | MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4"); | |
44 | ||
45 | #define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C" | |
46 | #define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4" | |
47 | ||
48 | #define HPWMI_DISPLAY_QUERY 0x1 | |
49 | #define HPWMI_HDDTEMP_QUERY 0x2 | |
50 | #define HPWMI_ALS_QUERY 0x3 | |
871043bc | 51 | #define HPWMI_HARDWARE_QUERY 0x4 |
62ec30d4 | 52 | #define HPWMI_WIRELESS_QUERY 0x5 |
a8823aef | 53 | #define HPWMI_HOTKEY_QUERY 0xc |
62ec30d4 | 54 | |
e5fbba85 AJ |
55 | enum hp_wmi_radio { |
56 | HPWMI_WIFI = 0, | |
57 | HPWMI_BLUETOOTH = 1, | |
58 | HPWMI_WWAN = 2, | |
59 | }; | |
60 | ||
ea79632d | 61 | static int __devinit hp_wmi_bios_setup(struct platform_device *device); |
62ec30d4 | 62 | static int __exit hp_wmi_bios_remove(struct platform_device *device); |
8dd2b426 | 63 | static int hp_wmi_resume_handler(struct device *device); |
62ec30d4 MG |
64 | |
65 | struct bios_args { | |
66 | u32 signature; | |
67 | u32 command; | |
68 | u32 commandtype; | |
69 | u32 datasize; | |
70 | u32 data; | |
71 | }; | |
72 | ||
73 | struct bios_return { | |
74 | u32 sigpass; | |
75 | u32 return_code; | |
76 | u32 value; | |
77 | }; | |
78 | ||
79 | struct key_entry { | |
80 | char type; /* See KE_* below */ | |
a8823aef | 81 | u16 code; |
62ec30d4 MG |
82 | u16 keycode; |
83 | }; | |
84 | ||
871043bc | 85 | enum { KE_KEY, KE_END }; |
62ec30d4 MG |
86 | |
87 | static struct key_entry hp_wmi_keymap[] = { | |
62ec30d4 MG |
88 | {KE_KEY, 0x02, KEY_BRIGHTNESSUP}, |
89 | {KE_KEY, 0x03, KEY_BRIGHTNESSDOWN}, | |
a8823aef MG |
90 | {KE_KEY, 0x20e6, KEY_PROG1}, |
91 | {KE_KEY, 0x2142, KEY_MEDIA}, | |
5c624841 | 92 | {KE_KEY, 0x213b, KEY_INFO}, |
caeacf59 | 93 | {KE_KEY, 0x2169, KEY_DIRECTION}, |
a8823aef | 94 | {KE_KEY, 0x231b, KEY_HELP}, |
62ec30d4 MG |
95 | {KE_END, 0} |
96 | }; | |
97 | ||
98 | static struct input_dev *hp_wmi_input_dev; | |
99 | static struct platform_device *hp_wmi_platform_dev; | |
100 | ||
101 | static struct rfkill *wifi_rfkill; | |
102 | static struct rfkill *bluetooth_rfkill; | |
103 | static struct rfkill *wwan_rfkill; | |
104 | ||
47145210 | 105 | static const struct dev_pm_ops hp_wmi_pm_ops = { |
8dd2b426 FP |
106 | .resume = hp_wmi_resume_handler, |
107 | .restore = hp_wmi_resume_handler, | |
108 | }; | |
109 | ||
62ec30d4 MG |
110 | static struct platform_driver hp_wmi_driver = { |
111 | .driver = { | |
8dd2b426 FP |
112 | .name = "hp-wmi", |
113 | .owner = THIS_MODULE, | |
114 | .pm = &hp_wmi_pm_ops, | |
62ec30d4 MG |
115 | }, |
116 | .probe = hp_wmi_bios_setup, | |
117 | .remove = hp_wmi_bios_remove, | |
118 | }; | |
119 | ||
120 | static int hp_wmi_perform_query(int query, int write, int value) | |
121 | { | |
122 | struct bios_return bios_return; | |
123 | acpi_status status; | |
124 | union acpi_object *obj; | |
125 | struct bios_args args = { | |
126 | .signature = 0x55434553, | |
127 | .command = write ? 0x2 : 0x1, | |
128 | .commandtype = query, | |
129 | .datasize = write ? 0x4 : 0, | |
130 | .data = value, | |
131 | }; | |
132 | struct acpi_buffer input = { sizeof(struct bios_args), &args }; | |
133 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
134 | ||
135 | status = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output); | |
136 | ||
137 | obj = output.pointer; | |
138 | ||
44ef00e6 | 139 | if (!obj) |
62ec30d4 | 140 | return -EINVAL; |
44ef00e6 TR |
141 | else if (obj->type != ACPI_TYPE_BUFFER) { |
142 | kfree(obj); | |
143 | return -EINVAL; | |
144 | } | |
62ec30d4 MG |
145 | |
146 | bios_return = *((struct bios_return *)obj->buffer.pointer); | |
44ef00e6 | 147 | kfree(obj); |
62ec30d4 MG |
148 | if (bios_return.return_code > 0) |
149 | return bios_return.return_code * -1; | |
150 | else | |
151 | return bios_return.value; | |
152 | } | |
153 | ||
154 | static int hp_wmi_display_state(void) | |
155 | { | |
156 | return hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, 0); | |
157 | } | |
158 | ||
159 | static int hp_wmi_hddtemp_state(void) | |
160 | { | |
161 | return hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, 0); | |
162 | } | |
163 | ||
164 | static int hp_wmi_als_state(void) | |
165 | { | |
166 | return hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, 0); | |
167 | } | |
168 | ||
169 | static int hp_wmi_dock_state(void) | |
170 | { | |
871043bc | 171 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, 0); |
62ec30d4 | 172 | |
871043bc MG |
173 | if (ret < 0) |
174 | return ret; | |
175 | ||
176 | return ret & 0x1; | |
62ec30d4 MG |
177 | } |
178 | ||
871043bc | 179 | static int hp_wmi_tablet_state(void) |
62ec30d4 | 180 | { |
871043bc MG |
181 | int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, 0); |
182 | ||
183 | if (ret < 0) | |
184 | return ret; | |
185 | ||
186 | return (ret & 0x4) ? 1 : 0; | |
62ec30d4 MG |
187 | } |
188 | ||
19d337df | 189 | static int hp_wmi_set_block(void *data, bool blocked) |
62ec30d4 | 190 | { |
e5fbba85 AJ |
191 | enum hp_wmi_radio r = (enum hp_wmi_radio) data; |
192 | int query = BIT(r + 8) | ((!blocked) << r); | |
62ec30d4 | 193 | |
19d337df | 194 | return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, query); |
62ec30d4 MG |
195 | } |
196 | ||
19d337df JB |
197 | static const struct rfkill_ops hp_wmi_rfkill_ops = { |
198 | .set_block = hp_wmi_set_block, | |
199 | }; | |
62ec30d4 | 200 | |
e5fbba85 | 201 | static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) |
62ec30d4 MG |
202 | { |
203 | int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); | |
e5fbba85 | 204 | int mask = 0x200 << (r * 8); |
62ec30d4 | 205 | |
e5fbba85 | 206 | if (wireless & mask) |
19d337df | 207 | return false; |
62ec30d4 | 208 | else |
19d337df | 209 | return true; |
62ec30d4 MG |
210 | } |
211 | ||
e5fbba85 | 212 | static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) |
62ec30d4 MG |
213 | { |
214 | int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); | |
e5fbba85 | 215 | int mask = 0x800 << (r * 8); |
62ec30d4 | 216 | |
e5fbba85 | 217 | if (wireless & mask) |
19d337df | 218 | return false; |
62ec30d4 | 219 | else |
19d337df | 220 | return true; |
62ec30d4 MG |
221 | } |
222 | ||
223 | static ssize_t show_display(struct device *dev, struct device_attribute *attr, | |
224 | char *buf) | |
225 | { | |
226 | int value = hp_wmi_display_state(); | |
227 | if (value < 0) | |
228 | return -EINVAL; | |
229 | return sprintf(buf, "%d\n", value); | |
230 | } | |
231 | ||
232 | static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr, | |
233 | char *buf) | |
234 | { | |
235 | int value = hp_wmi_hddtemp_state(); | |
236 | if (value < 0) | |
237 | return -EINVAL; | |
238 | return sprintf(buf, "%d\n", value); | |
239 | } | |
240 | ||
241 | static ssize_t show_als(struct device *dev, struct device_attribute *attr, | |
242 | char *buf) | |
243 | { | |
244 | int value = hp_wmi_als_state(); | |
245 | if (value < 0) | |
246 | return -EINVAL; | |
247 | return sprintf(buf, "%d\n", value); | |
248 | } | |
249 | ||
250 | static ssize_t show_dock(struct device *dev, struct device_attribute *attr, | |
251 | char *buf) | |
252 | { | |
253 | int value = hp_wmi_dock_state(); | |
254 | if (value < 0) | |
255 | return -EINVAL; | |
256 | return sprintf(buf, "%d\n", value); | |
257 | } | |
258 | ||
871043bc MG |
259 | static ssize_t show_tablet(struct device *dev, struct device_attribute *attr, |
260 | char *buf) | |
261 | { | |
262 | int value = hp_wmi_tablet_state(); | |
263 | if (value < 0) | |
264 | return -EINVAL; | |
265 | return sprintf(buf, "%d\n", value); | |
266 | } | |
267 | ||
62ec30d4 MG |
268 | static ssize_t set_als(struct device *dev, struct device_attribute *attr, |
269 | const char *buf, size_t count) | |
270 | { | |
271 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
272 | hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, tmp); | |
273 | return count; | |
274 | } | |
275 | ||
276 | static DEVICE_ATTR(display, S_IRUGO, show_display, NULL); | |
277 | static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL); | |
278 | static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als); | |
279 | static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL); | |
871043bc | 280 | static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL); |
62ec30d4 | 281 | |
58b93995 | 282 | static struct key_entry *hp_wmi_get_entry_by_scancode(unsigned int code) |
62ec30d4 MG |
283 | { |
284 | struct key_entry *key; | |
285 | ||
286 | for (key = hp_wmi_keymap; key->type != KE_END; key++) | |
287 | if (code == key->code) | |
288 | return key; | |
289 | ||
290 | return NULL; | |
291 | } | |
292 | ||
58b93995 | 293 | static struct key_entry *hp_wmi_get_entry_by_keycode(unsigned int keycode) |
62ec30d4 MG |
294 | { |
295 | struct key_entry *key; | |
296 | ||
297 | for (key = hp_wmi_keymap; key->type != KE_END; key++) | |
298 | if (key->type == KE_KEY && keycode == key->keycode) | |
299 | return key; | |
300 | ||
301 | return NULL; | |
302 | } | |
303 | ||
58b93995 DT |
304 | static int hp_wmi_getkeycode(struct input_dev *dev, |
305 | unsigned int scancode, unsigned int *keycode) | |
62ec30d4 MG |
306 | { |
307 | struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode); | |
308 | ||
309 | if (key && key->type == KE_KEY) { | |
310 | *keycode = key->keycode; | |
311 | return 0; | |
312 | } | |
313 | ||
314 | return -EINVAL; | |
315 | } | |
316 | ||
58b93995 DT |
317 | static int hp_wmi_setkeycode(struct input_dev *dev, |
318 | unsigned int scancode, unsigned int keycode) | |
62ec30d4 MG |
319 | { |
320 | struct key_entry *key; | |
58b93995 | 321 | unsigned int old_keycode; |
62ec30d4 MG |
322 | |
323 | key = hp_wmi_get_entry_by_scancode(scancode); | |
324 | if (key && key->type == KE_KEY) { | |
325 | old_keycode = key->keycode; | |
326 | key->keycode = keycode; | |
327 | set_bit(keycode, dev->keybit); | |
328 | if (!hp_wmi_get_entry_by_keycode(old_keycode)) | |
329 | clear_bit(old_keycode, dev->keybit); | |
330 | return 0; | |
331 | } | |
332 | ||
333 | return -EINVAL; | |
334 | } | |
335 | ||
88429a10 | 336 | static void hp_wmi_notify(u32 value, void *context) |
62ec30d4 MG |
337 | { |
338 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
339 | static struct key_entry *key; | |
340 | union acpi_object *obj; | |
e5fbba85 | 341 | int eventcode; |
fda11e61 | 342 | acpi_status status; |
62ec30d4 | 343 | |
fda11e61 LB |
344 | status = wmi_get_event_data(value, &response); |
345 | if (status != AE_OK) { | |
346 | printk(KERN_INFO "hp-wmi: bad event status 0x%x\n", status); | |
347 | return; | |
348 | } | |
62ec30d4 MG |
349 | |
350 | obj = (union acpi_object *)response.pointer; | |
351 | ||
e5fbba85 AJ |
352 | if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) { |
353 | printk(KERN_INFO "HP WMI: Unknown response received\n"); | |
44ef00e6 | 354 | kfree(obj); |
e5fbba85 AJ |
355 | return; |
356 | } | |
357 | ||
358 | eventcode = *((u8 *) obj->buffer.pointer); | |
44ef00e6 | 359 | kfree(obj); |
e5fbba85 AJ |
360 | if (eventcode == 0x4) |
361 | eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, | |
362 | 0); | |
363 | key = hp_wmi_get_entry_by_scancode(eventcode); | |
364 | if (key) { | |
365 | switch (key->type) { | |
366 | case KE_KEY: | |
367 | input_report_key(hp_wmi_input_dev, | |
368 | key->keycode, 1); | |
369 | input_sync(hp_wmi_input_dev); | |
370 | input_report_key(hp_wmi_input_dev, | |
371 | key->keycode, 0); | |
871043bc | 372 | input_sync(hp_wmi_input_dev); |
e5fbba85 AJ |
373 | break; |
374 | } | |
375 | } else if (eventcode == 0x1) { | |
376 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
377 | hp_wmi_dock_state()); | |
378 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
379 | hp_wmi_tablet_state()); | |
380 | input_sync(hp_wmi_input_dev); | |
381 | } else if (eventcode == 0x5) { | |
382 | if (wifi_rfkill) | |
383 | rfkill_set_states(wifi_rfkill, | |
384 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
385 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
386 | if (bluetooth_rfkill) | |
387 | rfkill_set_states(bluetooth_rfkill, | |
388 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
389 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
390 | if (wwan_rfkill) | |
391 | rfkill_set_states(wwan_rfkill, | |
392 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
393 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
62ec30d4 | 394 | } else |
e5fbba85 AJ |
395 | printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n", |
396 | eventcode); | |
62ec30d4 MG |
397 | } |
398 | ||
399 | static int __init hp_wmi_input_setup(void) | |
400 | { | |
401 | struct key_entry *key; | |
402 | int err; | |
403 | ||
404 | hp_wmi_input_dev = input_allocate_device(); | |
405 | ||
406 | hp_wmi_input_dev->name = "HP WMI hotkeys"; | |
407 | hp_wmi_input_dev->phys = "wmi/input0"; | |
408 | hp_wmi_input_dev->id.bustype = BUS_HOST; | |
409 | hp_wmi_input_dev->getkeycode = hp_wmi_getkeycode; | |
410 | hp_wmi_input_dev->setkeycode = hp_wmi_setkeycode; | |
411 | ||
412 | for (key = hp_wmi_keymap; key->type != KE_END; key++) { | |
413 | switch (key->type) { | |
414 | case KE_KEY: | |
415 | set_bit(EV_KEY, hp_wmi_input_dev->evbit); | |
416 | set_bit(key->keycode, hp_wmi_input_dev->keybit); | |
417 | break; | |
62ec30d4 MG |
418 | } |
419 | } | |
420 | ||
871043bc MG |
421 | set_bit(EV_SW, hp_wmi_input_dev->evbit); |
422 | set_bit(SW_DOCK, hp_wmi_input_dev->swbit); | |
423 | set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); | |
424 | ||
425 | /* Set initial hardware state */ | |
426 | input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state()); | |
427 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
428 | hp_wmi_tablet_state()); | |
429 | input_sync(hp_wmi_input_dev); | |
430 | ||
62ec30d4 MG |
431 | err = input_register_device(hp_wmi_input_dev); |
432 | ||
433 | if (err) { | |
434 | input_free_device(hp_wmi_input_dev); | |
435 | return err; | |
436 | } | |
437 | ||
438 | return 0; | |
439 | } | |
440 | ||
441 | static void cleanup_sysfs(struct platform_device *device) | |
442 | { | |
443 | device_remove_file(&device->dev, &dev_attr_display); | |
444 | device_remove_file(&device->dev, &dev_attr_hddtemp); | |
445 | device_remove_file(&device->dev, &dev_attr_als); | |
446 | device_remove_file(&device->dev, &dev_attr_dock); | |
871043bc | 447 | device_remove_file(&device->dev, &dev_attr_tablet); |
62ec30d4 MG |
448 | } |
449 | ||
ea79632d | 450 | static int __devinit hp_wmi_bios_setup(struct platform_device *device) |
62ec30d4 MG |
451 | { |
452 | int err; | |
3f6e2f13 | 453 | int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); |
62ec30d4 MG |
454 | |
455 | err = device_create_file(&device->dev, &dev_attr_display); | |
456 | if (err) | |
457 | goto add_sysfs_error; | |
458 | err = device_create_file(&device->dev, &dev_attr_hddtemp); | |
459 | if (err) | |
460 | goto add_sysfs_error; | |
461 | err = device_create_file(&device->dev, &dev_attr_als); | |
462 | if (err) | |
463 | goto add_sysfs_error; | |
464 | err = device_create_file(&device->dev, &dev_attr_dock); | |
871043bc MG |
465 | if (err) |
466 | goto add_sysfs_error; | |
467 | err = device_create_file(&device->dev, &dev_attr_tablet); | |
62ec30d4 MG |
468 | if (err) |
469 | goto add_sysfs_error; | |
470 | ||
3f6e2f13 | 471 | if (wireless & 0x1) { |
19d337df JB |
472 | wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, |
473 | RFKILL_TYPE_WLAN, | |
474 | &hp_wmi_rfkill_ops, | |
e5fbba85 AJ |
475 | (void *) HPWMI_WIFI); |
476 | rfkill_init_sw_state(wifi_rfkill, | |
477 | hp_wmi_get_sw_state(HPWMI_WIFI)); | |
478 | rfkill_set_hw_state(wifi_rfkill, | |
479 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
fe8e4e03 LF |
480 | err = rfkill_register(wifi_rfkill); |
481 | if (err) | |
19d337df | 482 | goto register_wifi_error; |
3f6e2f13 MG |
483 | } |
484 | ||
485 | if (wireless & 0x2) { | |
19d337df JB |
486 | bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev, |
487 | RFKILL_TYPE_BLUETOOTH, | |
488 | &hp_wmi_rfkill_ops, | |
e5fbba85 AJ |
489 | (void *) HPWMI_BLUETOOTH); |
490 | rfkill_init_sw_state(bluetooth_rfkill, | |
491 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH)); | |
492 | rfkill_set_hw_state(bluetooth_rfkill, | |
493 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
fe8e4e03 | 494 | err = rfkill_register(bluetooth_rfkill); |
6989d565 | 495 | if (err) |
fe8e4e03 | 496 | goto register_bluetooth_error; |
3f6e2f13 MG |
497 | } |
498 | ||
499 | if (wireless & 0x4) { | |
19d337df JB |
500 | wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev, |
501 | RFKILL_TYPE_WWAN, | |
502 | &hp_wmi_rfkill_ops, | |
e5fbba85 AJ |
503 | (void *) HPWMI_WWAN); |
504 | rfkill_init_sw_state(wwan_rfkill, | |
505 | hp_wmi_get_sw_state(HPWMI_WWAN)); | |
506 | rfkill_set_hw_state(wwan_rfkill, | |
507 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
fe8e4e03 LF |
508 | err = rfkill_register(wwan_rfkill); |
509 | if (err) | |
510 | goto register_wwan_err; | |
3f6e2f13 | 511 | } |
62ec30d4 MG |
512 | |
513 | return 0; | |
fe8e4e03 | 514 | register_wwan_err: |
19d337df | 515 | rfkill_destroy(wwan_rfkill); |
44f0606d AM |
516 | if (bluetooth_rfkill) |
517 | rfkill_unregister(bluetooth_rfkill); | |
fe8e4e03 | 518 | register_bluetooth_error: |
19d337df | 519 | rfkill_destroy(bluetooth_rfkill); |
44f0606d AM |
520 | if (wifi_rfkill) |
521 | rfkill_unregister(wifi_rfkill); | |
19d337df JB |
522 | register_wifi_error: |
523 | rfkill_destroy(wifi_rfkill); | |
62ec30d4 MG |
524 | add_sysfs_error: |
525 | cleanup_sysfs(device); | |
526 | return err; | |
527 | } | |
528 | ||
529 | static int __exit hp_wmi_bios_remove(struct platform_device *device) | |
530 | { | |
531 | cleanup_sysfs(device); | |
532 | ||
19d337df | 533 | if (wifi_rfkill) { |
3f6e2f13 | 534 | rfkill_unregister(wifi_rfkill); |
19d337df JB |
535 | rfkill_destroy(wifi_rfkill); |
536 | } | |
537 | if (bluetooth_rfkill) { | |
3f6e2f13 | 538 | rfkill_unregister(bluetooth_rfkill); |
09729f0b | 539 | rfkill_destroy(bluetooth_rfkill); |
19d337df JB |
540 | } |
541 | if (wwan_rfkill) { | |
3f6e2f13 | 542 | rfkill_unregister(wwan_rfkill); |
19d337df JB |
543 | rfkill_destroy(wwan_rfkill); |
544 | } | |
62ec30d4 MG |
545 | |
546 | return 0; | |
547 | } | |
548 | ||
8dd2b426 | 549 | static int hp_wmi_resume_handler(struct device *device) |
4c395bdd | 550 | { |
4c395bdd | 551 | /* |
871043bc MG |
552 | * Hardware state may have changed while suspended, so trigger |
553 | * input events for the current state. As this is a switch, | |
4c395bdd FP |
554 | * the input layer will only actually pass it on if the state |
555 | * changed. | |
556 | */ | |
daed9537 FP |
557 | if (hp_wmi_input_dev) { |
558 | input_report_switch(hp_wmi_input_dev, SW_DOCK, | |
559 | hp_wmi_dock_state()); | |
560 | input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, | |
561 | hp_wmi_tablet_state()); | |
562 | input_sync(hp_wmi_input_dev); | |
563 | } | |
4c395bdd | 564 | |
e5fbba85 AJ |
565 | if (wifi_rfkill) |
566 | rfkill_set_states(wifi_rfkill, | |
567 | hp_wmi_get_sw_state(HPWMI_WIFI), | |
568 | hp_wmi_get_hw_state(HPWMI_WIFI)); | |
569 | if (bluetooth_rfkill) | |
570 | rfkill_set_states(bluetooth_rfkill, | |
571 | hp_wmi_get_sw_state(HPWMI_BLUETOOTH), | |
572 | hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); | |
573 | if (wwan_rfkill) | |
574 | rfkill_set_states(wwan_rfkill, | |
575 | hp_wmi_get_sw_state(HPWMI_WWAN), | |
576 | hp_wmi_get_hw_state(HPWMI_WWAN)); | |
577 | ||
4c395bdd FP |
578 | return 0; |
579 | } | |
580 | ||
62ec30d4 MG |
581 | static int __init hp_wmi_init(void) |
582 | { | |
583 | int err; | |
584 | ||
585 | if (wmi_has_guid(HPWMI_EVENT_GUID)) { | |
586 | err = wmi_install_notify_handler(HPWMI_EVENT_GUID, | |
587 | hp_wmi_notify, NULL); | |
f2772575 | 588 | if (ACPI_SUCCESS(err)) |
62ec30d4 MG |
589 | hp_wmi_input_setup(); |
590 | } | |
591 | ||
592 | if (wmi_has_guid(HPWMI_BIOS_GUID)) { | |
593 | err = platform_driver_register(&hp_wmi_driver); | |
594 | if (err) | |
595 | return 0; | |
596 | hp_wmi_platform_dev = platform_device_alloc("hp-wmi", -1); | |
597 | if (!hp_wmi_platform_dev) { | |
598 | platform_driver_unregister(&hp_wmi_driver); | |
599 | return 0; | |
600 | } | |
601 | platform_device_add(hp_wmi_platform_dev); | |
602 | } | |
603 | ||
604 | return 0; | |
605 | } | |
606 | ||
607 | static void __exit hp_wmi_exit(void) | |
608 | { | |
609 | if (wmi_has_guid(HPWMI_EVENT_GUID)) { | |
610 | wmi_remove_notify_handler(HPWMI_EVENT_GUID); | |
611 | input_unregister_device(hp_wmi_input_dev); | |
612 | } | |
613 | if (hp_wmi_platform_dev) { | |
614 | platform_device_del(hp_wmi_platform_dev); | |
615 | platform_driver_unregister(&hp_wmi_driver); | |
616 | } | |
617 | } | |
618 | ||
619 | module_init(hp_wmi_init); | |
620 | module_exit(hp_wmi_exit); |