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Commit | Line | Data |
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ee027e4a | 1 | /* |
e12e6d94 | 2 | * Asus PC WMI hotkey driver |
ee027e4a YW |
3 | * |
4 | * Copyright(C) 2010 Intel Corporation. | |
57ab7dae | 5 | * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> |
ee027e4a YW |
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 | ||
81248889 YW |
27 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
28 | ||
ee027e4a YW |
29 | #include <linux/kernel.h> |
30 | #include <linux/module.h> | |
31 | #include <linux/init.h> | |
32 | #include <linux/types.h> | |
a32f3926 | 33 | #include <linux/slab.h> |
ee027e4a YW |
34 | #include <linux/input.h> |
35 | #include <linux/input/sparse-keymap.h> | |
3d7b1655 YW |
36 | #include <linux/fb.h> |
37 | #include <linux/backlight.h> | |
084fca63 | 38 | #include <linux/leds.h> |
ba48fdb9 | 39 | #include <linux/rfkill.h> |
afa7c886 CC |
40 | #include <linux/pci.h> |
41 | #include <linux/pci_hotplug.h> | |
e07babde CC |
42 | #include <linux/hwmon.h> |
43 | #include <linux/hwmon-sysfs.h> | |
8c1b2d83 CC |
44 | #include <linux/debugfs.h> |
45 | #include <linux/seq_file.h> | |
45f2c693 | 46 | #include <linux/platform_device.h> |
6118b8ad | 47 | #include <linux/thermal.h> |
8b48463f | 48 | #include <linux/acpi.h> |
272c77d5 | 49 | #include <acpi/video.h> |
ee027e4a | 50 | |
e12e6d94 | 51 | #include "asus-wmi.h" |
45f2c693 | 52 | |
5909c654 | 53 | MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>, " |
e12e6d94 CC |
54 | "Yong Wang <yong.y.wang@intel.com>"); |
55 | MODULE_DESCRIPTION("Asus Generic WMI Driver"); | |
ee027e4a YW |
56 | MODULE_LICENSE("GPL"); |
57 | ||
e12e6d94 CC |
58 | #define to_platform_driver(drv) \ |
59 | (container_of((drv), struct platform_driver, driver)) | |
d358cb55 | 60 | |
e12e6d94 CC |
61 | #define to_asus_wmi_driver(pdrv) \ |
62 | (container_of((pdrv), struct asus_wmi_driver, platform_driver)) | |
ee027e4a | 63 | |
e12e6d94 | 64 | #define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66" |
ee027e4a | 65 | |
33e0e6fe CC |
66 | #define NOTIFY_BRNUP_MIN 0x11 |
67 | #define NOTIFY_BRNUP_MAX 0x1f | |
68 | #define NOTIFY_BRNDOWN_MIN 0x20 | |
69 | #define NOTIFY_BRNDOWN_MAX 0x2e | |
e9809c0b CC |
70 | #define NOTIFY_KBD_BRTUP 0xc4 |
71 | #define NOTIFY_KBD_BRTDWN 0xc5 | |
ee027e4a | 72 | |
43815941 | 73 | /* WMI Methods */ |
2f686b54 CC |
74 | #define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */ |
75 | #define ASUS_WMI_METHODID_SFBD 0x44424653 /* Set First Boot Device */ | |
76 | #define ASUS_WMI_METHODID_GLCD 0x44434C47 /* Get LCD status */ | |
77 | #define ASUS_WMI_METHODID_GPID 0x44495047 /* Get Panel ID?? (Resol) */ | |
78 | #define ASUS_WMI_METHODID_QMOD 0x444F4D51 /* Quiet MODe */ | |
79 | #define ASUS_WMI_METHODID_SPLV 0x4C425053 /* Set Panel Light Value */ | |
80 | #define ASUS_WMI_METHODID_SFUN 0x4E554653 /* FUNCtionalities */ | |
81 | #define ASUS_WMI_METHODID_SDSP 0x50534453 /* Set DiSPlay output */ | |
82 | #define ASUS_WMI_METHODID_GDSP 0x50534447 /* Get DiSPlay output */ | |
83 | #define ASUS_WMI_METHODID_DEVP 0x50564544 /* DEVice Policy */ | |
84 | #define ASUS_WMI_METHODID_OSVR 0x5256534F /* OS VeRsion */ | |
85 | #define ASUS_WMI_METHODID_DSTS 0x53544344 /* Device STatuS */ | |
86 | #define ASUS_WMI_METHODID_DSTS2 0x53545344 /* Device STatuS #2*/ | |
87 | #define ASUS_WMI_METHODID_BSTS 0x53545342 /* Bios STatuS ? */ | |
88 | #define ASUS_WMI_METHODID_DEVS 0x53564544 /* DEVice Set */ | |
89 | #define ASUS_WMI_METHODID_CFVS 0x53564643 /* CPU Frequency Volt Set */ | |
90 | #define ASUS_WMI_METHODID_KBFT 0x5446424B /* KeyBoard FilTer */ | |
91 | #define ASUS_WMI_METHODID_INIT 0x54494E49 /* INITialize */ | |
92 | #define ASUS_WMI_METHODID_HKEY 0x59454B48 /* Hot KEY ?? */ | |
3d7b1655 | 93 | |
d33da3b6 CC |
94 | #define ASUS_WMI_UNSUPPORTED_METHOD 0xFFFFFFFE |
95 | ||
43815941 | 96 | /* Wireless */ |
2f686b54 CC |
97 | #define ASUS_WMI_DEVID_HW_SWITCH 0x00010001 |
98 | #define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002 | |
79ec1172 | 99 | #define ASUS_WMI_DEVID_CWAP 0x00010003 |
e12e6d94 | 100 | #define ASUS_WMI_DEVID_WLAN 0x00010011 |
a50bd128 | 101 | #define ASUS_WMI_DEVID_WLAN_LED 0x00010012 |
e12e6d94 | 102 | #define ASUS_WMI_DEVID_BLUETOOTH 0x00010013 |
2f686b54 | 103 | #define ASUS_WMI_DEVID_GPS 0x00010015 |
e12e6d94 CC |
104 | #define ASUS_WMI_DEVID_WIMAX 0x00010017 |
105 | #define ASUS_WMI_DEVID_WWAN3G 0x00010019 | |
2f686b54 CC |
106 | #define ASUS_WMI_DEVID_UWB 0x00010021 |
107 | ||
108 | /* Leds */ | |
109 | /* 0x000200XX and 0x000400XX */ | |
79ec1172 CC |
110 | #define ASUS_WMI_DEVID_LED1 0x00020011 |
111 | #define ASUS_WMI_DEVID_LED2 0x00020012 | |
112 | #define ASUS_WMI_DEVID_LED3 0x00020013 | |
113 | #define ASUS_WMI_DEVID_LED4 0x00020014 | |
114 | #define ASUS_WMI_DEVID_LED5 0x00020015 | |
115 | #define ASUS_WMI_DEVID_LED6 0x00020016 | |
43815941 CC |
116 | |
117 | /* Backlight and Brightness */ | |
e12e6d94 CC |
118 | #define ASUS_WMI_DEVID_BACKLIGHT 0x00050011 |
119 | #define ASUS_WMI_DEVID_BRIGHTNESS 0x00050012 | |
2f686b54 CC |
120 | #define ASUS_WMI_DEVID_KBD_BACKLIGHT 0x00050021 |
121 | #define ASUS_WMI_DEVID_LIGHT_SENSOR 0x00050022 /* ?? */ | |
43815941 CC |
122 | |
123 | /* Misc */ | |
e12e6d94 | 124 | #define ASUS_WMI_DEVID_CAMERA 0x00060013 |
43815941 CC |
125 | |
126 | /* Storage */ | |
e12e6d94 | 127 | #define ASUS_WMI_DEVID_CARDREADER 0x00080013 |
43815941 CC |
128 | |
129 | /* Input */ | |
57ab7dae | 130 | #define ASUS_WMI_DEVID_TOUCHPAD 0x00100011 |
e12e6d94 | 131 | #define ASUS_WMI_DEVID_TOUCHPAD_LED 0x00100012 |
3d7b1655 | 132 | |
2f686b54 CC |
133 | /* Fan, Thermal */ |
134 | #define ASUS_WMI_DEVID_THERMAL_CTRL 0x00110011 | |
135 | #define ASUS_WMI_DEVID_FAN_CTRL 0x00110012 | |
136 | ||
137 | /* Power */ | |
138 | #define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012 | |
139 | ||
c0b91b6d AK |
140 | /* Deep S3 / Resume on LID open */ |
141 | #define ASUS_WMI_DEVID_LID_RESUME 0x00120031 | |
142 | ||
43815941 | 143 | /* DSTS masks */ |
e12e6d94 | 144 | #define ASUS_WMI_DSTS_STATUS_BIT 0x00000001 |
a75fe0d7 | 145 | #define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002 |
e12e6d94 | 146 | #define ASUS_WMI_DSTS_PRESENCE_BIT 0x00010000 |
2f686b54 CC |
147 | #define ASUS_WMI_DSTS_USER_BIT 0x00020000 |
148 | #define ASUS_WMI_DSTS_BIOS_BIT 0x00040000 | |
e12e6d94 CC |
149 | #define ASUS_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF |
150 | #define ASUS_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00 | |
ee027e4a | 151 | |
3d7b1655 | 152 | struct bios_args { |
d33da3b6 CC |
153 | u32 arg0; |
154 | u32 arg1; | |
155 | } __packed; | |
3d7b1655 | 156 | |
8c1b2d83 | 157 | /* |
e12e6d94 | 158 | * <platform>/ - debugfs root directory |
8c1b2d83 CC |
159 | * dev_id - current dev_id |
160 | * ctrl_param - current ctrl_param | |
ef343491 | 161 | * method_id - current method_id |
8c1b2d83 CC |
162 | * devs - call DEVS(dev_id, ctrl_param) and print result |
163 | * dsts - call DSTS(dev_id) and print result | |
ef343491 | 164 | * call - call method_id(dev_id, ctrl_param) and print result |
8c1b2d83 | 165 | */ |
e12e6d94 | 166 | struct asus_wmi_debug { |
8c1b2d83 | 167 | struct dentry *root; |
ef343491 | 168 | u32 method_id; |
8c1b2d83 CC |
169 | u32 dev_id; |
170 | u32 ctrl_param; | |
171 | }; | |
172 | ||
a7ce3f04 CC |
173 | struct asus_rfkill { |
174 | struct asus_wmi *asus; | |
175 | struct rfkill *rfkill; | |
176 | u32 dev_id; | |
177 | }; | |
178 | ||
e12e6d94 | 179 | struct asus_wmi { |
1d070f89 | 180 | int dsts_id; |
46dbca87 CC |
181 | int spec; |
182 | int sfun; | |
1d070f89 | 183 | |
81248889 | 184 | struct input_dev *inputdev; |
3d7b1655 | 185 | struct backlight_device *backlight_device; |
27c136c8 | 186 | struct platform_device *platform_device; |
084fca63 | 187 | |
6cae06e6 AK |
188 | struct led_classdev wlan_led; |
189 | int wlan_led_wk; | |
084fca63 CC |
190 | struct led_classdev tpd_led; |
191 | int tpd_led_wk; | |
e9809c0b CC |
192 | struct led_classdev kbd_led; |
193 | int kbd_led_wk; | |
084fca63 CC |
194 | struct workqueue_struct *led_workqueue; |
195 | struct work_struct tpd_led_work; | |
e9809c0b | 196 | struct work_struct kbd_led_work; |
6cae06e6 | 197 | struct work_struct wlan_led_work; |
ba48fdb9 | 198 | |
a7ce3f04 CC |
199 | struct asus_rfkill wlan; |
200 | struct asus_rfkill bluetooth; | |
201 | struct asus_rfkill wimax; | |
202 | struct asus_rfkill wwan3g; | |
43be8bde | 203 | struct asus_rfkill gps; |
a912d329 | 204 | struct asus_rfkill uwb; |
8c1b2d83 | 205 | |
afa7c886 CC |
206 | struct hotplug_slot *hotplug_slot; |
207 | struct mutex hotplug_lock; | |
279f8f95 CC |
208 | struct mutex wmi_lock; |
209 | struct workqueue_struct *hotplug_workqueue; | |
210 | struct work_struct hotplug_work; | |
afa7c886 | 211 | |
e12e6d94 CC |
212 | struct asus_wmi_debug debug; |
213 | ||
214 | struct asus_wmi_driver *driver; | |
81248889 YW |
215 | }; |
216 | ||
e12e6d94 | 217 | static int asus_wmi_input_init(struct asus_wmi *asus) |
ee027e4a YW |
218 | { |
219 | int err; | |
220 | ||
e12e6d94 CC |
221 | asus->inputdev = input_allocate_device(); |
222 | if (!asus->inputdev) | |
ee027e4a YW |
223 | return -ENOMEM; |
224 | ||
58a9f397 CC |
225 | asus->inputdev->name = asus->driver->input_name; |
226 | asus->inputdev->phys = asus->driver->input_phys; | |
e12e6d94 CC |
227 | asus->inputdev->id.bustype = BUS_HOST; |
228 | asus->inputdev->dev.parent = &asus->platform_device->dev; | |
39bbde05 | 229 | set_bit(EV_REP, asus->inputdev->evbit); |
ee027e4a | 230 | |
e12e6d94 | 231 | err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL); |
ee027e4a YW |
232 | if (err) |
233 | goto err_free_dev; | |
234 | ||
e12e6d94 | 235 | err = input_register_device(asus->inputdev); |
ee027e4a YW |
236 | if (err) |
237 | goto err_free_keymap; | |
238 | ||
239 | return 0; | |
240 | ||
241 | err_free_keymap: | |
e12e6d94 | 242 | sparse_keymap_free(asus->inputdev); |
ee027e4a | 243 | err_free_dev: |
e12e6d94 | 244 | input_free_device(asus->inputdev); |
ee027e4a YW |
245 | return err; |
246 | } | |
247 | ||
e12e6d94 | 248 | static void asus_wmi_input_exit(struct asus_wmi *asus) |
81248889 | 249 | { |
e12e6d94 CC |
250 | if (asus->inputdev) { |
251 | sparse_keymap_free(asus->inputdev); | |
252 | input_unregister_device(asus->inputdev); | |
81248889 YW |
253 | } |
254 | ||
e12e6d94 | 255 | asus->inputdev = NULL; |
81248889 YW |
256 | } |
257 | ||
d33da3b6 CC |
258 | static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, |
259 | u32 *retval) | |
3d7b1655 | 260 | { |
d33da3b6 CC |
261 | struct bios_args args = { |
262 | .arg0 = arg0, | |
263 | .arg1 = arg1, | |
264 | }; | |
265 | struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; | |
3d7b1655 | 266 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; |
3d7b1655 | 267 | acpi_status status; |
d33da3b6 | 268 | union acpi_object *obj; |
3d7b1655 YW |
269 | u32 tmp; |
270 | ||
d33da3b6 | 271 | status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id, |
afa7c886 | 272 | &input, &output); |
3d7b1655 YW |
273 | |
274 | if (ACPI_FAILURE(status)) | |
d33da3b6 | 275 | goto exit; |
3d7b1655 YW |
276 | |
277 | obj = (union acpi_object *)output.pointer; | |
278 | if (obj && obj->type == ACPI_TYPE_INTEGER) | |
e12e6d94 | 279 | tmp = (u32) obj->integer.value; |
3d7b1655 YW |
280 | else |
281 | tmp = 0; | |
282 | ||
2a3f0064 CC |
283 | if (retval) |
284 | *retval = tmp; | |
3d7b1655 YW |
285 | |
286 | kfree(obj); | |
287 | ||
d33da3b6 CC |
288 | exit: |
289 | if (ACPI_FAILURE(status)) | |
290 | return -EIO; | |
291 | ||
292 | if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) | |
293 | return -ENODEV; | |
3d7b1655 | 294 | |
d33da3b6 | 295 | return 0; |
3d7b1655 YW |
296 | } |
297 | ||
1d070f89 | 298 | static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval) |
3d7b1655 | 299 | { |
1d070f89 | 300 | return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); |
d33da3b6 | 301 | } |
3d7b1655 | 302 | |
d33da3b6 | 303 | static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param, |
1d070f89 | 304 | u32 *retval) |
d33da3b6 CC |
305 | { |
306 | return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id, | |
307 | ctrl_param, retval); | |
3d7b1655 YW |
308 | } |
309 | ||
5c95638d | 310 | /* Helper for special devices with magic return codes */ |
1d070f89 CC |
311 | static int asus_wmi_get_devstate_bits(struct asus_wmi *asus, |
312 | u32 dev_id, u32 mask) | |
5c95638d CC |
313 | { |
314 | u32 retval = 0; | |
d33da3b6 | 315 | int err; |
5c95638d | 316 | |
1d070f89 | 317 | err = asus_wmi_get_devstate(asus, dev_id, &retval); |
5c95638d | 318 | |
d33da3b6 CC |
319 | if (err < 0) |
320 | return err; | |
5c95638d | 321 | |
e12e6d94 | 322 | if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT)) |
5c95638d CC |
323 | return -ENODEV; |
324 | ||
a75fe0d7 CC |
325 | if (mask == ASUS_WMI_DSTS_STATUS_BIT) { |
326 | if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT) | |
327 | return -ENODEV; | |
328 | } | |
329 | ||
b7187265 CC |
330 | return retval & mask; |
331 | } | |
332 | ||
1d070f89 | 333 | static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id) |
b7187265 | 334 | { |
1d070f89 CC |
335 | return asus_wmi_get_devstate_bits(asus, dev_id, |
336 | ASUS_WMI_DSTS_STATUS_BIT); | |
5c95638d CC |
337 | } |
338 | ||
084fca63 CC |
339 | /* |
340 | * LEDs | |
341 | */ | |
342 | /* | |
343 | * These functions actually update the LED's, and are called from a | |
344 | * workqueue. By doing this as separate work rather than when the LED | |
e12e6d94 | 345 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a |
084fca63 CC |
346 | * potentially bad time, such as a timer interrupt. |
347 | */ | |
348 | static void tpd_led_update(struct work_struct *work) | |
349 | { | |
350 | int ctrl_param; | |
e12e6d94 | 351 | struct asus_wmi *asus; |
084fca63 | 352 | |
e12e6d94 | 353 | asus = container_of(work, struct asus_wmi, tpd_led_work); |
084fca63 | 354 | |
e12e6d94 CC |
355 | ctrl_param = asus->tpd_led_wk; |
356 | asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL); | |
084fca63 CC |
357 | } |
358 | ||
359 | static void tpd_led_set(struct led_classdev *led_cdev, | |
360 | enum led_brightness value) | |
361 | { | |
e12e6d94 | 362 | struct asus_wmi *asus; |
084fca63 | 363 | |
e12e6d94 | 364 | asus = container_of(led_cdev, struct asus_wmi, tpd_led); |
084fca63 | 365 | |
e12e6d94 CC |
366 | asus->tpd_led_wk = !!value; |
367 | queue_work(asus->led_workqueue, &asus->tpd_led_work); | |
084fca63 CC |
368 | } |
369 | ||
e12e6d94 | 370 | static int read_tpd_led_state(struct asus_wmi *asus) |
084fca63 | 371 | { |
1d070f89 | 372 | return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED); |
084fca63 CC |
373 | } |
374 | ||
375 | static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) | |
376 | { | |
e12e6d94 | 377 | struct asus_wmi *asus; |
084fca63 | 378 | |
e12e6d94 | 379 | asus = container_of(led_cdev, struct asus_wmi, tpd_led); |
084fca63 | 380 | |
e12e6d94 | 381 | return read_tpd_led_state(asus); |
084fca63 CC |
382 | } |
383 | ||
e9809c0b | 384 | static void kbd_led_update(struct work_struct *work) |
084fca63 | 385 | { |
e9809c0b CC |
386 | int ctrl_param = 0; |
387 | struct asus_wmi *asus; | |
084fca63 | 388 | |
e9809c0b | 389 | asus = container_of(work, struct asus_wmi, kbd_led_work); |
084fca63 | 390 | |
e9809c0b CC |
391 | /* |
392 | * bits 0-2: level | |
393 | * bit 7: light on/off | |
394 | */ | |
395 | if (asus->kbd_led_wk > 0) | |
396 | ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F); | |
084fca63 | 397 | |
e9809c0b CC |
398 | asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL); |
399 | } | |
084fca63 | 400 | |
e9809c0b CC |
401 | static int kbd_led_read(struct asus_wmi *asus, int *level, int *env) |
402 | { | |
403 | int retval; | |
404 | ||
405 | /* | |
406 | * bits 0-2: level | |
407 | * bit 7: light on/off | |
408 | * bit 8-10: environment (0: dark, 1: normal, 2: light) | |
409 | * bit 17: status unknown | |
410 | */ | |
411 | retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT, | |
412 | 0xFFFF); | |
413 | ||
af965e97 | 414 | /* Unknown status is considered as off */ |
e9809c0b | 415 | if (retval == 0x8000) |
af965e97 | 416 | retval = 0; |
e9809c0b CC |
417 | |
418 | if (retval >= 0) { | |
419 | if (level) | |
c09b2237 | 420 | *level = retval & 0x7F; |
e9809c0b CC |
421 | if (env) |
422 | *env = (retval >> 8) & 0x7F; | |
423 | retval = 0; | |
084fca63 CC |
424 | } |
425 | ||
e9809c0b CC |
426 | return retval; |
427 | } | |
428 | ||
429 | static void kbd_led_set(struct led_classdev *led_cdev, | |
430 | enum led_brightness value) | |
431 | { | |
432 | struct asus_wmi *asus; | |
433 | ||
434 | asus = container_of(led_cdev, struct asus_wmi, kbd_led); | |
435 | ||
436 | if (value > asus->kbd_led.max_brightness) | |
437 | value = asus->kbd_led.max_brightness; | |
438 | else if (value < 0) | |
439 | value = 0; | |
440 | ||
441 | asus->kbd_led_wk = value; | |
442 | queue_work(asus->led_workqueue, &asus->kbd_led_work); | |
443 | } | |
444 | ||
445 | static enum led_brightness kbd_led_get(struct led_classdev *led_cdev) | |
446 | { | |
447 | struct asus_wmi *asus; | |
448 | int retval, value; | |
449 | ||
450 | asus = container_of(led_cdev, struct asus_wmi, kbd_led); | |
451 | ||
452 | retval = kbd_led_read(asus, &value, NULL); | |
453 | ||
454 | if (retval < 0) | |
455 | return retval; | |
456 | ||
457 | return value; | |
084fca63 CC |
458 | } |
459 | ||
6cae06e6 AK |
460 | static int wlan_led_unknown_state(struct asus_wmi *asus) |
461 | { | |
462 | u32 result; | |
463 | ||
464 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); | |
465 | ||
466 | return result & ASUS_WMI_DSTS_UNKNOWN_BIT; | |
467 | } | |
468 | ||
469 | static int wlan_led_presence(struct asus_wmi *asus) | |
470 | { | |
471 | u32 result; | |
472 | ||
473 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); | |
474 | ||
475 | return result & ASUS_WMI_DSTS_PRESENCE_BIT; | |
476 | } | |
477 | ||
478 | static void wlan_led_update(struct work_struct *work) | |
479 | { | |
480 | int ctrl_param; | |
481 | struct asus_wmi *asus; | |
482 | ||
483 | asus = container_of(work, struct asus_wmi, wlan_led_work); | |
484 | ||
485 | ctrl_param = asus->wlan_led_wk; | |
486 | asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL); | |
487 | } | |
488 | ||
489 | static void wlan_led_set(struct led_classdev *led_cdev, | |
490 | enum led_brightness value) | |
491 | { | |
492 | struct asus_wmi *asus; | |
493 | ||
494 | asus = container_of(led_cdev, struct asus_wmi, wlan_led); | |
495 | ||
496 | asus->wlan_led_wk = !!value; | |
497 | queue_work(asus->led_workqueue, &asus->wlan_led_work); | |
498 | } | |
499 | ||
500 | static enum led_brightness wlan_led_get(struct led_classdev *led_cdev) | |
501 | { | |
502 | struct asus_wmi *asus; | |
503 | u32 result; | |
504 | ||
505 | asus = container_of(led_cdev, struct asus_wmi, wlan_led); | |
506 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); | |
507 | ||
508 | return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK; | |
509 | } | |
510 | ||
e12e6d94 | 511 | static void asus_wmi_led_exit(struct asus_wmi *asus) |
084fca63 | 512 | { |
e9298028 AL |
513 | if (!IS_ERR_OR_NULL(asus->kbd_led.dev)) |
514 | led_classdev_unregister(&asus->kbd_led); | |
515 | if (!IS_ERR_OR_NULL(asus->tpd_led.dev)) | |
e12e6d94 | 516 | led_classdev_unregister(&asus->tpd_led); |
6cae06e6 AK |
517 | if (!IS_ERR_OR_NULL(asus->wlan_led.dev)) |
518 | led_classdev_unregister(&asus->wlan_led); | |
e12e6d94 CC |
519 | if (asus->led_workqueue) |
520 | destroy_workqueue(asus->led_workqueue); | |
084fca63 CC |
521 | } |
522 | ||
e9809c0b CC |
523 | static int asus_wmi_led_init(struct asus_wmi *asus) |
524 | { | |
525 | int rv = 0; | |
526 | ||
527 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); | |
528 | if (!asus->led_workqueue) | |
529 | return -ENOMEM; | |
530 | ||
531 | if (read_tpd_led_state(asus) >= 0) { | |
532 | INIT_WORK(&asus->tpd_led_work, tpd_led_update); | |
533 | ||
534 | asus->tpd_led.name = "asus::touchpad"; | |
535 | asus->tpd_led.brightness_set = tpd_led_set; | |
536 | asus->tpd_led.brightness_get = tpd_led_get; | |
537 | asus->tpd_led.max_brightness = 1; | |
538 | ||
539 | rv = led_classdev_register(&asus->platform_device->dev, | |
540 | &asus->tpd_led); | |
541 | if (rv) | |
542 | goto error; | |
543 | } | |
544 | ||
545 | if (kbd_led_read(asus, NULL, NULL) >= 0) { | |
546 | INIT_WORK(&asus->kbd_led_work, kbd_led_update); | |
547 | ||
548 | asus->kbd_led.name = "asus::kbd_backlight"; | |
549 | asus->kbd_led.brightness_set = kbd_led_set; | |
550 | asus->kbd_led.brightness_get = kbd_led_get; | |
551 | asus->kbd_led.max_brightness = 3; | |
552 | ||
553 | rv = led_classdev_register(&asus->platform_device->dev, | |
554 | &asus->kbd_led); | |
6cae06e6 AK |
555 | if (rv) |
556 | goto error; | |
557 | } | |
558 | ||
e8f56c80 | 559 | if (wlan_led_presence(asus) && (asus->driver->quirks->wapf == 4)) { |
6cae06e6 AK |
560 | INIT_WORK(&asus->wlan_led_work, wlan_led_update); |
561 | ||
562 | asus->wlan_led.name = "asus::wlan"; | |
563 | asus->wlan_led.brightness_set = wlan_led_set; | |
564 | if (!wlan_led_unknown_state(asus)) | |
565 | asus->wlan_led.brightness_get = wlan_led_get; | |
566 | asus->wlan_led.flags = LED_CORE_SUSPENDRESUME; | |
567 | asus->wlan_led.max_brightness = 1; | |
568 | asus->wlan_led.default_trigger = "asus-wlan"; | |
569 | ||
570 | rv = led_classdev_register(&asus->platform_device->dev, | |
571 | &asus->wlan_led); | |
e9809c0b CC |
572 | } |
573 | ||
574 | error: | |
575 | if (rv) | |
576 | asus_wmi_led_exit(asus); | |
577 | ||
578 | return rv; | |
579 | } | |
580 | ||
581 | ||
afa7c886 CC |
582 | /* |
583 | * PCI hotplug (for wlan rfkill) | |
584 | */ | |
e12e6d94 | 585 | static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus) |
afa7c886 | 586 | { |
1d070f89 | 587 | int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); |
afa7c886 | 588 | |
5c95638d | 589 | if (result < 0) |
afa7c886 | 590 | return false; |
5c95638d | 591 | return !result; |
afa7c886 CC |
592 | } |
593 | ||
e12e6d94 | 594 | static void asus_rfkill_hotplug(struct asus_wmi *asus) |
afa7c886 CC |
595 | { |
596 | struct pci_dev *dev; | |
597 | struct pci_bus *bus; | |
279f8f95 | 598 | bool blocked; |
afa7c886 CC |
599 | bool absent; |
600 | u32 l; | |
601 | ||
e12e6d94 CC |
602 | mutex_lock(&asus->wmi_lock); |
603 | blocked = asus_wlan_rfkill_blocked(asus); | |
604 | mutex_unlock(&asus->wmi_lock); | |
afa7c886 | 605 | |
e12e6d94 | 606 | mutex_lock(&asus->hotplug_lock); |
8b9ec1da | 607 | pci_lock_rescan_remove(); |
afa7c886 | 608 | |
a7ce3f04 CC |
609 | if (asus->wlan.rfkill) |
610 | rfkill_set_sw_state(asus->wlan.rfkill, blocked); | |
279f8f95 | 611 | |
e12e6d94 | 612 | if (asus->hotplug_slot) { |
afa7c886 CC |
613 | bus = pci_find_bus(0, 1); |
614 | if (!bus) { | |
5ad77dcf | 615 | pr_warn("Unable to find PCI bus 1?\n"); |
afa7c886 CC |
616 | goto out_unlock; |
617 | } | |
618 | ||
619 | if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { | |
620 | pr_err("Unable to read PCI config space?\n"); | |
621 | goto out_unlock; | |
622 | } | |
623 | absent = (l == 0xffffffff); | |
624 | ||
625 | if (blocked != absent) { | |
5ad77dcf JP |
626 | pr_warn("BIOS says wireless lan is %s, " |
627 | "but the pci device is %s\n", | |
628 | blocked ? "blocked" : "unblocked", | |
629 | absent ? "absent" : "present"); | |
630 | pr_warn("skipped wireless hotplug as probably " | |
631 | "inappropriate for this model\n"); | |
afa7c886 CC |
632 | goto out_unlock; |
633 | } | |
634 | ||
635 | if (!blocked) { | |
636 | dev = pci_get_slot(bus, 0); | |
637 | if (dev) { | |
638 | /* Device already present */ | |
639 | pci_dev_put(dev); | |
640 | goto out_unlock; | |
641 | } | |
642 | dev = pci_scan_single_device(bus, 0); | |
643 | if (dev) { | |
644 | pci_bus_assign_resources(bus); | |
c893d133 | 645 | pci_bus_add_device(dev); |
afa7c886 CC |
646 | } |
647 | } else { | |
648 | dev = pci_get_slot(bus, 0); | |
649 | if (dev) { | |
210647af | 650 | pci_stop_and_remove_bus_device(dev); |
afa7c886 CC |
651 | pci_dev_put(dev); |
652 | } | |
653 | } | |
654 | } | |
655 | ||
656 | out_unlock: | |
8b9ec1da | 657 | pci_unlock_rescan_remove(); |
e12e6d94 | 658 | mutex_unlock(&asus->hotplug_lock); |
afa7c886 CC |
659 | } |
660 | ||
e12e6d94 | 661 | static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data) |
afa7c886 | 662 | { |
e12e6d94 | 663 | struct asus_wmi *asus = data; |
afa7c886 CC |
664 | |
665 | if (event != ACPI_NOTIFY_BUS_CHECK) | |
666 | return; | |
667 | ||
279f8f95 | 668 | /* |
e12e6d94 | 669 | * We can't call directly asus_rfkill_hotplug because most |
279f8f95 CC |
670 | * of the time WMBC is still being executed and not reetrant. |
671 | * There is currently no way to tell ACPICA that we want this | |
e12e6d94 | 672 | * method to be serialized, we schedule a asus_rfkill_hotplug |
279f8f95 CC |
673 | * call later, in a safer context. |
674 | */ | |
e12e6d94 | 675 | queue_work(asus->hotplug_workqueue, &asus->hotplug_work); |
afa7c886 CC |
676 | } |
677 | ||
e12e6d94 | 678 | static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node) |
afa7c886 CC |
679 | { |
680 | acpi_status status; | |
681 | acpi_handle handle; | |
682 | ||
683 | status = acpi_get_handle(NULL, node, &handle); | |
684 | ||
685 | if (ACPI_SUCCESS(status)) { | |
686 | status = acpi_install_notify_handler(handle, | |
687 | ACPI_SYSTEM_NOTIFY, | |
e12e6d94 | 688 | asus_rfkill_notify, asus); |
afa7c886 | 689 | if (ACPI_FAILURE(status)) |
5ad77dcf | 690 | pr_warn("Failed to register notify on %s\n", node); |
afa7c886 CC |
691 | } else |
692 | return -ENODEV; | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
e12e6d94 | 697 | static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node) |
afa7c886 CC |
698 | { |
699 | acpi_status status = AE_OK; | |
700 | acpi_handle handle; | |
701 | ||
702 | status = acpi_get_handle(NULL, node, &handle); | |
703 | ||
704 | if (ACPI_SUCCESS(status)) { | |
705 | status = acpi_remove_notify_handler(handle, | |
e12e6d94 CC |
706 | ACPI_SYSTEM_NOTIFY, |
707 | asus_rfkill_notify); | |
afa7c886 CC |
708 | if (ACPI_FAILURE(status)) |
709 | pr_err("Error removing rfkill notify handler %s\n", | |
e12e6d94 | 710 | node); |
afa7c886 CC |
711 | } |
712 | } | |
713 | ||
e12e6d94 CC |
714 | static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot, |
715 | u8 *value) | |
afa7c886 | 716 | { |
1d070f89 CC |
717 | struct asus_wmi *asus = hotplug_slot->private; |
718 | int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); | |
afa7c886 | 719 | |
5c95638d CC |
720 | if (result < 0) |
721 | return result; | |
afa7c886 | 722 | |
5c95638d | 723 | *value = !!result; |
afa7c886 CC |
724 | return 0; |
725 | } | |
726 | ||
e12e6d94 | 727 | static void asus_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) |
afa7c886 CC |
728 | { |
729 | kfree(hotplug_slot->info); | |
730 | kfree(hotplug_slot); | |
731 | } | |
732 | ||
e12e6d94 | 733 | static struct hotplug_slot_ops asus_hotplug_slot_ops = { |
afa7c886 | 734 | .owner = THIS_MODULE, |
e12e6d94 CC |
735 | .get_adapter_status = asus_get_adapter_status, |
736 | .get_power_status = asus_get_adapter_status, | |
afa7c886 CC |
737 | }; |
738 | ||
e12e6d94 | 739 | static void asus_hotplug_work(struct work_struct *work) |
279f8f95 | 740 | { |
e12e6d94 | 741 | struct asus_wmi *asus; |
279f8f95 | 742 | |
e12e6d94 CC |
743 | asus = container_of(work, struct asus_wmi, hotplug_work); |
744 | asus_rfkill_hotplug(asus); | |
279f8f95 CC |
745 | } |
746 | ||
e12e6d94 | 747 | static int asus_setup_pci_hotplug(struct asus_wmi *asus) |
afa7c886 CC |
748 | { |
749 | int ret = -ENOMEM; | |
750 | struct pci_bus *bus = pci_find_bus(0, 1); | |
751 | ||
752 | if (!bus) { | |
753 | pr_err("Unable to find wifi PCI bus\n"); | |
754 | return -ENODEV; | |
755 | } | |
756 | ||
e12e6d94 CC |
757 | asus->hotplug_workqueue = |
758 | create_singlethread_workqueue("hotplug_workqueue"); | |
759 | if (!asus->hotplug_workqueue) | |
279f8f95 CC |
760 | goto error_workqueue; |
761 | ||
e12e6d94 | 762 | INIT_WORK(&asus->hotplug_work, asus_hotplug_work); |
279f8f95 | 763 | |
e12e6d94 CC |
764 | asus->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); |
765 | if (!asus->hotplug_slot) | |
afa7c886 CC |
766 | goto error_slot; |
767 | ||
e12e6d94 CC |
768 | asus->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), |
769 | GFP_KERNEL); | |
770 | if (!asus->hotplug_slot->info) | |
afa7c886 CC |
771 | goto error_info; |
772 | ||
e12e6d94 CC |
773 | asus->hotplug_slot->private = asus; |
774 | asus->hotplug_slot->release = &asus_cleanup_pci_hotplug; | |
775 | asus->hotplug_slot->ops = &asus_hotplug_slot_ops; | |
776 | asus_get_adapter_status(asus->hotplug_slot, | |
777 | &asus->hotplug_slot->info->adapter_status); | |
afa7c886 | 778 | |
e12e6d94 | 779 | ret = pci_hp_register(asus->hotplug_slot, bus, 0, "asus-wifi"); |
afa7c886 CC |
780 | if (ret) { |
781 | pr_err("Unable to register hotplug slot - %d\n", ret); | |
782 | goto error_register; | |
783 | } | |
784 | ||
785 | return 0; | |
786 | ||
787 | error_register: | |
e12e6d94 | 788 | kfree(asus->hotplug_slot->info); |
afa7c886 | 789 | error_info: |
e12e6d94 CC |
790 | kfree(asus->hotplug_slot); |
791 | asus->hotplug_slot = NULL; | |
afa7c886 | 792 | error_slot: |
e12e6d94 | 793 | destroy_workqueue(asus->hotplug_workqueue); |
279f8f95 | 794 | error_workqueue: |
afa7c886 CC |
795 | return ret; |
796 | } | |
797 | ||
ba48fdb9 CC |
798 | /* |
799 | * Rfkill devices | |
800 | */ | |
e12e6d94 | 801 | static int asus_rfkill_set(void *data, bool blocked) |
ba48fdb9 | 802 | { |
a7ce3f04 | 803 | struct asus_rfkill *priv = data; |
ba48fdb9 | 804 | u32 ctrl_param = !blocked; |
a50bd128 | 805 | u32 dev_id = priv->dev_id; |
ba48fdb9 | 806 | |
a50bd128 AK |
807 | /* |
808 | * If the user bit is set, BIOS can't set and record the wlan status, | |
809 | * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED | |
810 | * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN). | |
811 | * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED | |
812 | * while setting the wlan status through WMI. | |
813 | * This is also the behavior that windows app will do. | |
814 | */ | |
815 | if ((dev_id == ASUS_WMI_DEVID_WLAN) && | |
816 | priv->asus->driver->wlan_ctrl_by_user) | |
817 | dev_id = ASUS_WMI_DEVID_WLAN_LED; | |
818 | ||
819 | return asus_wmi_set_devstate(dev_id, ctrl_param, NULL); | |
ba48fdb9 CC |
820 | } |
821 | ||
e12e6d94 | 822 | static void asus_rfkill_query(struct rfkill *rfkill, void *data) |
ba48fdb9 | 823 | { |
a7ce3f04 | 824 | struct asus_rfkill *priv = data; |
5c95638d | 825 | int result; |
ba48fdb9 | 826 | |
1d070f89 | 827 | result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id); |
ba48fdb9 | 828 | |
5c95638d | 829 | if (result < 0) |
e12e6d94 | 830 | return; |
ba48fdb9 | 831 | |
a7ce3f04 | 832 | rfkill_set_sw_state(priv->rfkill, !result); |
ba48fdb9 CC |
833 | } |
834 | ||
e12e6d94 | 835 | static int asus_rfkill_wlan_set(void *data, bool blocked) |
279f8f95 | 836 | { |
a7ce3f04 CC |
837 | struct asus_rfkill *priv = data; |
838 | struct asus_wmi *asus = priv->asus; | |
279f8f95 CC |
839 | int ret; |
840 | ||
841 | /* | |
842 | * This handler is enabled only if hotplug is enabled. | |
e12e6d94 | 843 | * In this case, the asus_wmi_set_devstate() will |
279f8f95 CC |
844 | * trigger a wmi notification and we need to wait |
845 | * this call to finish before being able to call | |
846 | * any wmi method | |
847 | */ | |
e12e6d94 | 848 | mutex_lock(&asus->wmi_lock); |
a7ce3f04 | 849 | ret = asus_rfkill_set(data, blocked); |
e12e6d94 | 850 | mutex_unlock(&asus->wmi_lock); |
279f8f95 CC |
851 | return ret; |
852 | } | |
853 | ||
e12e6d94 CC |
854 | static const struct rfkill_ops asus_rfkill_wlan_ops = { |
855 | .set_block = asus_rfkill_wlan_set, | |
a7ce3f04 | 856 | .query = asus_rfkill_query, |
279f8f95 CC |
857 | }; |
858 | ||
e12e6d94 CC |
859 | static const struct rfkill_ops asus_rfkill_ops = { |
860 | .set_block = asus_rfkill_set, | |
861 | .query = asus_rfkill_query, | |
ba48fdb9 CC |
862 | }; |
863 | ||
e12e6d94 | 864 | static int asus_new_rfkill(struct asus_wmi *asus, |
a7ce3f04 | 865 | struct asus_rfkill *arfkill, |
e12e6d94 | 866 | const char *name, enum rfkill_type type, int dev_id) |
ba48fdb9 | 867 | { |
1d070f89 | 868 | int result = asus_wmi_get_devstate_simple(asus, dev_id); |
a7ce3f04 | 869 | struct rfkill **rfkill = &arfkill->rfkill; |
ba48fdb9 | 870 | |
5c95638d CC |
871 | if (result < 0) |
872 | return result; | |
ba48fdb9 | 873 | |
a7ce3f04 CC |
874 | arfkill->dev_id = dev_id; |
875 | arfkill->asus = asus; | |
876 | ||
c87992d1 AK |
877 | if (dev_id == ASUS_WMI_DEVID_WLAN && |
878 | asus->driver->quirks->hotplug_wireless) | |
e12e6d94 | 879 | *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, |
a7ce3f04 | 880 | &asus_rfkill_wlan_ops, arfkill); |
279f8f95 | 881 | else |
e12e6d94 | 882 | *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, |
a7ce3f04 | 883 | &asus_rfkill_ops, arfkill); |
ba48fdb9 CC |
884 | |
885 | if (!*rfkill) | |
886 | return -EINVAL; | |
887 | ||
e8f56c80 AK |
888 | if ((dev_id == ASUS_WMI_DEVID_WLAN) && |
889 | (asus->driver->quirks->wapf == 4)) | |
6cae06e6 AK |
890 | rfkill_set_led_trigger_name(*rfkill, "asus-wlan"); |
891 | ||
5c95638d | 892 | rfkill_init_sw_state(*rfkill, !result); |
ba48fdb9 CC |
893 | result = rfkill_register(*rfkill); |
894 | if (result) { | |
895 | rfkill_destroy(*rfkill); | |
896 | *rfkill = NULL; | |
897 | return result; | |
898 | } | |
899 | return 0; | |
900 | } | |
901 | ||
e12e6d94 | 902 | static void asus_wmi_rfkill_exit(struct asus_wmi *asus) |
ba48fdb9 | 903 | { |
e12e6d94 CC |
904 | asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); |
905 | asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); | |
906 | asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); | |
a7ce3f04 CC |
907 | if (asus->wlan.rfkill) { |
908 | rfkill_unregister(asus->wlan.rfkill); | |
909 | rfkill_destroy(asus->wlan.rfkill); | |
910 | asus->wlan.rfkill = NULL; | |
ba48fdb9 | 911 | } |
afa7c886 CC |
912 | /* |
913 | * Refresh pci hotplug in case the rfkill state was changed after | |
e12e6d94 | 914 | * asus_unregister_rfkill_notifier() |
afa7c886 | 915 | */ |
e12e6d94 CC |
916 | asus_rfkill_hotplug(asus); |
917 | if (asus->hotplug_slot) | |
918 | pci_hp_deregister(asus->hotplug_slot); | |
919 | if (asus->hotplug_workqueue) | |
920 | destroy_workqueue(asus->hotplug_workqueue); | |
921 | ||
a7ce3f04 CC |
922 | if (asus->bluetooth.rfkill) { |
923 | rfkill_unregister(asus->bluetooth.rfkill); | |
924 | rfkill_destroy(asus->bluetooth.rfkill); | |
925 | asus->bluetooth.rfkill = NULL; | |
ba48fdb9 | 926 | } |
a7ce3f04 CC |
927 | if (asus->wimax.rfkill) { |
928 | rfkill_unregister(asus->wimax.rfkill); | |
929 | rfkill_destroy(asus->wimax.rfkill); | |
930 | asus->wimax.rfkill = NULL; | |
2e9e159d | 931 | } |
a7ce3f04 CC |
932 | if (asus->wwan3g.rfkill) { |
933 | rfkill_unregister(asus->wwan3g.rfkill); | |
934 | rfkill_destroy(asus->wwan3g.rfkill); | |
935 | asus->wwan3g.rfkill = NULL; | |
ba48fdb9 | 936 | } |
43be8bde CC |
937 | if (asus->gps.rfkill) { |
938 | rfkill_unregister(asus->gps.rfkill); | |
939 | rfkill_destroy(asus->gps.rfkill); | |
940 | asus->gps.rfkill = NULL; | |
941 | } | |
a912d329 CC |
942 | if (asus->uwb.rfkill) { |
943 | rfkill_unregister(asus->uwb.rfkill); | |
944 | rfkill_destroy(asus->uwb.rfkill); | |
945 | asus->uwb.rfkill = NULL; | |
946 | } | |
ba48fdb9 CC |
947 | } |
948 | ||
e12e6d94 | 949 | static int asus_wmi_rfkill_init(struct asus_wmi *asus) |
ba48fdb9 CC |
950 | { |
951 | int result = 0; | |
952 | ||
e12e6d94 CC |
953 | mutex_init(&asus->hotplug_lock); |
954 | mutex_init(&asus->wmi_lock); | |
afa7c886 | 955 | |
a7ce3f04 CC |
956 | result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan", |
957 | RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN); | |
ba48fdb9 CC |
958 | |
959 | if (result && result != -ENODEV) | |
960 | goto exit; | |
961 | ||
a7ce3f04 | 962 | result = asus_new_rfkill(asus, &asus->bluetooth, |
e12e6d94 CC |
963 | "asus-bluetooth", RFKILL_TYPE_BLUETOOTH, |
964 | ASUS_WMI_DEVID_BLUETOOTH); | |
ba48fdb9 CC |
965 | |
966 | if (result && result != -ENODEV) | |
967 | goto exit; | |
968 | ||
a7ce3f04 CC |
969 | result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax", |
970 | RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX); | |
2e9e159d CC |
971 | |
972 | if (result && result != -ENODEV) | |
973 | goto exit; | |
974 | ||
a7ce3f04 CC |
975 | result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g", |
976 | RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G); | |
ba48fdb9 CC |
977 | |
978 | if (result && result != -ENODEV) | |
979 | goto exit; | |
980 | ||
43be8bde CC |
981 | result = asus_new_rfkill(asus, &asus->gps, "asus-gps", |
982 | RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS); | |
983 | ||
984 | if (result && result != -ENODEV) | |
985 | goto exit; | |
986 | ||
a912d329 CC |
987 | result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb", |
988 | RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB); | |
989 | ||
990 | if (result && result != -ENODEV) | |
991 | goto exit; | |
992 | ||
c87992d1 | 993 | if (!asus->driver->quirks->hotplug_wireless) |
c14d4b8e CC |
994 | goto exit; |
995 | ||
e12e6d94 | 996 | result = asus_setup_pci_hotplug(asus); |
afa7c886 CC |
997 | /* |
998 | * If we get -EBUSY then something else is handling the PCI hotplug - | |
999 | * don't fail in this case | |
1000 | */ | |
1001 | if (result == -EBUSY) | |
1002 | result = 0; | |
1003 | ||
e12e6d94 CC |
1004 | asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); |
1005 | asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); | |
1006 | asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); | |
afa7c886 CC |
1007 | /* |
1008 | * Refresh pci hotplug in case the rfkill state was changed during | |
1009 | * setup. | |
1010 | */ | |
e12e6d94 | 1011 | asus_rfkill_hotplug(asus); |
afa7c886 | 1012 | |
ba48fdb9 CC |
1013 | exit: |
1014 | if (result && result != -ENODEV) | |
e12e6d94 | 1015 | asus_wmi_rfkill_exit(asus); |
ba48fdb9 CC |
1016 | |
1017 | if (result == -ENODEV) | |
1018 | result = 0; | |
1019 | ||
1020 | return result; | |
1021 | } | |
1022 | ||
e07babde CC |
1023 | /* |
1024 | * Hwmon device | |
1025 | */ | |
1026 | static ssize_t asus_hwmon_pwm1(struct device *dev, | |
49979d09 CC |
1027 | struct device_attribute *attr, |
1028 | char *buf) | |
e07babde CC |
1029 | { |
1030 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1031 | u32 value; | |
1032 | int err; | |
1033 | ||
1034 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value); | |
1035 | ||
1036 | if (err < 0) | |
1037 | return err; | |
1038 | ||
49979d09 | 1039 | value &= 0xFF; |
e07babde CC |
1040 | |
1041 | if (value == 1) /* Low Speed */ | |
1042 | value = 85; | |
1043 | else if (value == 2) | |
1044 | value = 170; | |
1045 | else if (value == 3) | |
1046 | value = 255; | |
1047 | else if (value != 0) { | |
0ed60654 | 1048 | pr_err("Unknown fan speed %#x\n", value); |
e07babde CC |
1049 | value = -1; |
1050 | } | |
1051 | ||
1052 | return sprintf(buf, "%d\n", value); | |
1053 | } | |
1054 | ||
6118b8ad CC |
1055 | static ssize_t asus_hwmon_temp1(struct device *dev, |
1056 | struct device_attribute *attr, | |
1057 | char *buf) | |
1058 | { | |
1059 | struct asus_wmi *asus = dev_get_drvdata(dev); | |
1060 | u32 value; | |
1061 | int err; | |
1062 | ||
1063 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value); | |
1064 | ||
1065 | if (err < 0) | |
1066 | return err; | |
1067 | ||
1068 | value = KELVIN_TO_CELSIUS((value & 0xFFFF)) * 1000; | |
1069 | ||
1070 | return sprintf(buf, "%d\n", value); | |
1071 | } | |
1072 | ||
50a639fb GR |
1073 | static DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL); |
1074 | static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL); | |
e07babde CC |
1075 | |
1076 | static struct attribute *hwmon_attributes[] = { | |
50a639fb GR |
1077 | &dev_attr_pwm1.attr, |
1078 | &dev_attr_temp1_input.attr, | |
e07babde CC |
1079 | NULL |
1080 | }; | |
1081 | ||
587a1f16 | 1082 | static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, |
e02431d6 | 1083 | struct attribute *attr, int idx) |
e07babde CC |
1084 | { |
1085 | struct device *dev = container_of(kobj, struct device, kobj); | |
1086 | struct platform_device *pdev = to_platform_device(dev->parent); | |
1087 | struct asus_wmi *asus = platform_get_drvdata(pdev); | |
1088 | bool ok = true; | |
1089 | int dev_id = -1; | |
1090 | u32 value = ASUS_WMI_UNSUPPORTED_METHOD; | |
1091 | ||
50a639fb | 1092 | if (attr == &dev_attr_pwm1.attr) |
e07babde | 1093 | dev_id = ASUS_WMI_DEVID_FAN_CTRL; |
50a639fb | 1094 | else if (attr == &dev_attr_temp1_input.attr) |
e02431d6 | 1095 | dev_id = ASUS_WMI_DEVID_THERMAL_CTRL; |
e07babde CC |
1096 | |
1097 | if (dev_id != -1) { | |
1098 | int err = asus_wmi_get_devstate(asus, dev_id, &value); | |
1099 | ||
1100 | if (err < 0) | |
e772aed3 | 1101 | return 0; /* can't return negative here */ |
e07babde CC |
1102 | } |
1103 | ||
1104 | if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) { | |
1105 | /* | |
1106 | * We need to find a better way, probably using sfun, | |
1107 | * bits or spec ... | |
1108 | * Currently we disable it if: | |
1109 | * - ASUS_WMI_UNSUPPORTED_METHOD is returned | |
1110 | * - reverved bits are non-zero | |
1111 | * - sfun and presence bit are not set | |
1112 | */ | |
49979d09 | 1113 | if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000 |
e07babde CC |
1114 | || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT))) |
1115 | ok = false; | |
e02431d6 CC |
1116 | } else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) { |
1117 | /* If value is zero, something is clearly wrong */ | |
1118 | if (value == 0) | |
1119 | ok = false; | |
e07babde CC |
1120 | } |
1121 | ||
1122 | return ok ? attr->mode : 0; | |
1123 | } | |
1124 | ||
1125 | static struct attribute_group hwmon_attribute_group = { | |
1126 | .is_visible = asus_hwmon_sysfs_is_visible, | |
1127 | .attrs = hwmon_attributes | |
1128 | }; | |
50a639fb | 1129 | __ATTRIBUTE_GROUPS(hwmon_attribute); |
e07babde CC |
1130 | |
1131 | static int asus_wmi_hwmon_init(struct asus_wmi *asus) | |
1132 | { | |
1133 | struct device *hwmon; | |
e07babde | 1134 | |
50a639fb GR |
1135 | hwmon = hwmon_device_register_with_groups(&asus->platform_device->dev, |
1136 | "asus", asus, | |
1137 | hwmon_attribute_groups); | |
e07babde CC |
1138 | if (IS_ERR(hwmon)) { |
1139 | pr_err("Could not register asus hwmon device\n"); | |
1140 | return PTR_ERR(hwmon); | |
1141 | } | |
50a639fb | 1142 | return 0; |
e07babde CC |
1143 | } |
1144 | ||
084fca63 CC |
1145 | /* |
1146 | * Backlight | |
1147 | */ | |
1d070f89 | 1148 | static int read_backlight_power(struct asus_wmi *asus) |
b7187265 | 1149 | { |
6e0044be AK |
1150 | int ret; |
1151 | if (asus->driver->quirks->store_backlight_power) | |
1152 | ret = !asus->driver->panel_power; | |
1153 | else | |
1154 | ret = asus_wmi_get_devstate_simple(asus, | |
1155 | ASUS_WMI_DEVID_BACKLIGHT); | |
b7187265 CC |
1156 | |
1157 | if (ret < 0) | |
1158 | return ret; | |
1159 | ||
1160 | return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; | |
1161 | } | |
1162 | ||
8fbea019 | 1163 | static int read_brightness_max(struct asus_wmi *asus) |
3d7b1655 | 1164 | { |
dfed65d5 | 1165 | u32 retval; |
d33da3b6 | 1166 | int err; |
3d7b1655 | 1167 | |
1d070f89 | 1168 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); |
3d7b1655 | 1169 | |
8fbea019 CC |
1170 | if (err < 0) |
1171 | return err; | |
1172 | ||
1173 | retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK; | |
1174 | retval >>= 8; | |
1175 | ||
1176 | if (!retval) | |
1177 | return -ENODEV; | |
1178 | ||
1179 | return retval; | |
1180 | } | |
1181 | ||
1182 | static int read_brightness(struct backlight_device *bd) | |
1183 | { | |
1184 | struct asus_wmi *asus = bl_get_data(bd); | |
0986f25f DC |
1185 | u32 retval; |
1186 | int err; | |
8fbea019 CC |
1187 | |
1188 | err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); | |
1189 | ||
d33da3b6 CC |
1190 | if (err < 0) |
1191 | return err; | |
1192 | ||
1193 | return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK; | |
3d7b1655 YW |
1194 | } |
1195 | ||
c87992d1 | 1196 | static u32 get_scalar_command(struct backlight_device *bd) |
3d7b1655 | 1197 | { |
1d070f89 | 1198 | struct asus_wmi *asus = bl_get_data(bd); |
c87992d1 | 1199 | u32 ctrl_param = 0; |
3d7b1655 | 1200 | |
c87992d1 AK |
1201 | if ((asus->driver->brightness < bd->props.brightness) || |
1202 | bd->props.brightness == bd->props.max_brightness) | |
1203 | ctrl_param = 0x00008001; | |
1204 | else if ((asus->driver->brightness > bd->props.brightness) || | |
1205 | bd->props.brightness == 0) | |
1206 | ctrl_param = 0x00008000; | |
3d7b1655 | 1207 | |
c87992d1 | 1208 | asus->driver->brightness = bd->props.brightness; |
3d7b1655 | 1209 | |
c87992d1 AK |
1210 | return ctrl_param; |
1211 | } | |
1212 | ||
3d7b1655 YW |
1213 | static int update_bl_status(struct backlight_device *bd) |
1214 | { | |
1d070f89 | 1215 | struct asus_wmi *asus = bl_get_data(bd); |
dfed65d5 | 1216 | u32 ctrl_param; |
6e0044be | 1217 | int power, err = 0; |
b7187265 | 1218 | |
1d070f89 | 1219 | power = read_backlight_power(asus); |
b7187265 CC |
1220 | if (power != -ENODEV && bd->props.power != power) { |
1221 | ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK); | |
d33da3b6 CC |
1222 | err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, |
1223 | ctrl_param, NULL); | |
6e0044be AK |
1224 | if (asus->driver->quirks->store_backlight_power) |
1225 | asus->driver->panel_power = bd->props.power; | |
6e0044be | 1226 | |
ade28abd CC |
1227 | /* When using scalar brightness, updating the brightness |
1228 | * will mess with the backlight power */ | |
1229 | if (asus->driver->quirks->scalar_panel_brightness) | |
1230 | return err; | |
b7187265 | 1231 | } |
ade28abd CC |
1232 | |
1233 | if (asus->driver->quirks->scalar_panel_brightness) | |
1234 | ctrl_param = get_scalar_command(bd); | |
1235 | else | |
1236 | ctrl_param = bd->props.brightness; | |
1237 | ||
1238 | err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS, | |
1239 | ctrl_param, NULL); | |
1240 | ||
8fbea019 | 1241 | return err; |
3d7b1655 YW |
1242 | } |
1243 | ||
e12e6d94 | 1244 | static const struct backlight_ops asus_wmi_bl_ops = { |
3d7b1655 YW |
1245 | .get_brightness = read_brightness, |
1246 | .update_status = update_bl_status, | |
1247 | }; | |
1248 | ||
e12e6d94 | 1249 | static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code) |
3d7b1655 | 1250 | { |
e12e6d94 | 1251 | struct backlight_device *bd = asus->backlight_device; |
3d7b1655 | 1252 | int old = bd->props.brightness; |
b7670ed6 | 1253 | int new = old; |
3d7b1655 YW |
1254 | |
1255 | if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) | |
1256 | new = code - NOTIFY_BRNUP_MIN + 1; | |
1257 | else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX) | |
1258 | new = code - NOTIFY_BRNDOWN_MIN; | |
1259 | ||
1260 | bd->props.brightness = new; | |
1261 | backlight_update_status(bd); | |
1262 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
1263 | ||
1264 | return old; | |
1265 | } | |
1266 | ||
e12e6d94 | 1267 | static int asus_wmi_backlight_init(struct asus_wmi *asus) |
3d7b1655 YW |
1268 | { |
1269 | struct backlight_device *bd; | |
1270 | struct backlight_properties props; | |
b7187265 CC |
1271 | int max; |
1272 | int power; | |
1273 | ||
8fbea019 | 1274 | max = read_brightness_max(asus); |
b7187265 | 1275 | |
b7187265 CC |
1276 | if (max == -ENODEV) |
1277 | max = 0; | |
8fbea019 CC |
1278 | else if (max < 0) |
1279 | return max; | |
1280 | ||
1281 | power = read_backlight_power(asus); | |
1282 | ||
b7187265 CC |
1283 | if (power == -ENODEV) |
1284 | power = FB_BLANK_UNBLANK; | |
8fbea019 CC |
1285 | else if (power < 0) |
1286 | return power; | |
3d7b1655 YW |
1287 | |
1288 | memset(&props, 0, sizeof(struct backlight_properties)); | |
60cfa098 | 1289 | props.type = BACKLIGHT_PLATFORM; |
b7187265 | 1290 | props.max_brightness = max; |
e12e6d94 CC |
1291 | bd = backlight_device_register(asus->driver->name, |
1292 | &asus->platform_device->dev, asus, | |
1293 | &asus_wmi_bl_ops, &props); | |
3d7b1655 YW |
1294 | if (IS_ERR(bd)) { |
1295 | pr_err("Could not register backlight device\n"); | |
1296 | return PTR_ERR(bd); | |
1297 | } | |
1298 | ||
e12e6d94 | 1299 | asus->backlight_device = bd; |
3d7b1655 | 1300 | |
6e0044be AK |
1301 | if (asus->driver->quirks->store_backlight_power) |
1302 | asus->driver->panel_power = power; | |
1303 | ||
3d7b1655 | 1304 | bd->props.brightness = read_brightness(bd); |
b7187265 | 1305 | bd->props.power = power; |
3d7b1655 YW |
1306 | backlight_update_status(bd); |
1307 | ||
c87992d1 AK |
1308 | asus->driver->brightness = bd->props.brightness; |
1309 | ||
3d7b1655 YW |
1310 | return 0; |
1311 | } | |
1312 | ||
e12e6d94 | 1313 | static void asus_wmi_backlight_exit(struct asus_wmi *asus) |
3d7b1655 | 1314 | { |
e12e6d94 CC |
1315 | if (asus->backlight_device) |
1316 | backlight_device_unregister(asus->backlight_device); | |
3d7b1655 | 1317 | |
e12e6d94 | 1318 | asus->backlight_device = NULL; |
3d7b1655 YW |
1319 | } |
1320 | ||
a2a96f0c AK |
1321 | static int is_display_toggle(int code) |
1322 | { | |
1323 | /* display toggle keys */ | |
1324 | if ((code >= 0x61 && code <= 0x67) || | |
1325 | (code >= 0x8c && code <= 0x93) || | |
1326 | (code >= 0xa0 && code <= 0xa7) || | |
1327 | (code >= 0xd0 && code <= 0xd5)) | |
1328 | return 1; | |
1329 | ||
1330 | return 0; | |
1331 | } | |
1332 | ||
e12e6d94 | 1333 | static void asus_wmi_notify(u32 value, void *context) |
3d7b1655 | 1334 | { |
e12e6d94 | 1335 | struct asus_wmi *asus = context; |
3d7b1655 YW |
1336 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; |
1337 | union acpi_object *obj; | |
1338 | acpi_status status; | |
1339 | int code; | |
1340 | int orig_code; | |
c4453f6a SF |
1341 | unsigned int key_value = 1; |
1342 | bool autorelease = 1; | |
3d7b1655 YW |
1343 | |
1344 | status = wmi_get_event_data(value, &response); | |
1345 | if (status != AE_OK) { | |
1346 | pr_err("bad event status 0x%x\n", status); | |
1347 | return; | |
1348 | } | |
1349 | ||
1350 | obj = (union acpi_object *)response.pointer; | |
1351 | ||
57ab7dae CC |
1352 | if (!obj || obj->type != ACPI_TYPE_INTEGER) |
1353 | goto exit; | |
3d7b1655 | 1354 | |
57ab7dae CC |
1355 | code = obj->integer.value; |
1356 | orig_code = code; | |
3d7b1655 | 1357 | |
c4453f6a SF |
1358 | if (asus->driver->key_filter) { |
1359 | asus->driver->key_filter(asus->driver, &code, &key_value, | |
1360 | &autorelease); | |
1361 | if (code == ASUS_WMI_KEY_IGNORE) | |
1362 | goto exit; | |
1363 | } | |
1364 | ||
57ab7dae | 1365 | if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) |
3ba0302b | 1366 | code = ASUS_WMI_BRN_UP; |
57ab7dae CC |
1367 | else if (code >= NOTIFY_BRNDOWN_MIN && |
1368 | code <= NOTIFY_BRNDOWN_MAX) | |
3ba0302b | 1369 | code = ASUS_WMI_BRN_DOWN; |
3d7b1655 | 1370 | |
3ba0302b | 1371 | if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) { |
a2a96f0c | 1372 | if (!acpi_video_backlight_support()) { |
57ab7dae | 1373 | asus_wmi_backlight_notify(asus, orig_code); |
3ba0302b | 1374 | goto exit; |
a2a96f0c | 1375 | } |
a2a96f0c AK |
1376 | } |
1377 | ||
1378 | if (is_display_toggle(code) && | |
1379 | asus->driver->quirks->no_display_toggle) | |
1380 | goto exit; | |
1381 | ||
1382 | if (!sparse_keymap_report_event(asus->inputdev, code, | |
1383 | key_value, autorelease)) | |
57ab7dae | 1384 | pr_info("Unknown key %x pressed\n", code); |
3d7b1655 | 1385 | |
57ab7dae | 1386 | exit: |
3d7b1655 YW |
1387 | kfree(obj); |
1388 | } | |
1389 | ||
9e1565bc CC |
1390 | /* |
1391 | * Sys helpers | |
1392 | */ | |
1393 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
1394 | { | |
1395 | if (!count) | |
1396 | return 0; | |
1397 | if (sscanf(buf, "%i", val) != 1) | |
1398 | return -EINVAL; | |
1399 | return count; | |
1400 | } | |
1401 | ||
1d070f89 CC |
1402 | static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid, |
1403 | const char *buf, size_t count) | |
9e1565bc | 1404 | { |
9e1565bc | 1405 | u32 retval; |
d33da3b6 | 1406 | int rv, err, value; |
9e1565bc | 1407 | |
1d070f89 | 1408 | value = asus_wmi_get_devstate_simple(asus, devid); |
e12e6d94 | 1409 | if (value == -ENODEV) /* Check device presence */ |
9e1565bc CC |
1410 | return value; |
1411 | ||
1412 | rv = parse_arg(buf, count, &value); | |
d33da3b6 CC |
1413 | err = asus_wmi_set_devstate(devid, value, &retval); |
1414 | ||
1415 | if (err < 0) | |
1416 | return err; | |
9e1565bc | 1417 | |
9e1565bc CC |
1418 | return rv; |
1419 | } | |
1420 | ||
1d070f89 | 1421 | static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf) |
9e1565bc | 1422 | { |
1d070f89 | 1423 | int value = asus_wmi_get_devstate_simple(asus, devid); |
9e1565bc CC |
1424 | |
1425 | if (value < 0) | |
1426 | return value; | |
1427 | ||
1428 | return sprintf(buf, "%d\n", value); | |
1429 | } | |
1430 | ||
e12e6d94 | 1431 | #define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ |
9e1565bc CC |
1432 | static ssize_t show_##_name(struct device *dev, \ |
1433 | struct device_attribute *attr, \ | |
1434 | char *buf) \ | |
1435 | { \ | |
1d070f89 CC |
1436 | struct asus_wmi *asus = dev_get_drvdata(dev); \ |
1437 | \ | |
1438 | return show_sys_wmi(asus, _cm, buf); \ | |
9e1565bc CC |
1439 | } \ |
1440 | static ssize_t store_##_name(struct device *dev, \ | |
1441 | struct device_attribute *attr, \ | |
1442 | const char *buf, size_t count) \ | |
1443 | { \ | |
1d070f89 CC |
1444 | struct asus_wmi *asus = dev_get_drvdata(dev); \ |
1445 | \ | |
1446 | return store_sys_wmi(asus, _cm, buf, count); \ | |
9e1565bc CC |
1447 | } \ |
1448 | static struct device_attribute dev_attr_##_name = { \ | |
1449 | .attr = { \ | |
1450 | .name = __stringify(_name), \ | |
1451 | .mode = _mode }, \ | |
1452 | .show = show_##_name, \ | |
1453 | .store = store_##_name, \ | |
1454 | } | |
1455 | ||
e12e6d94 CC |
1456 | ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD); |
1457 | ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA); | |
1458 | ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER); | |
c0b91b6d | 1459 | ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME); |
9e1565bc | 1460 | |
67fa38ec DT |
1461 | static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr, |
1462 | const char *buf, size_t count) | |
7f80d734 | 1463 | { |
3df5fdad | 1464 | int value, rv; |
7f80d734 CB |
1465 | |
1466 | if (!count || sscanf(buf, "%i", &value) != 1) | |
1467 | return -EINVAL; | |
1468 | if (value < 0 || value > 2) | |
1469 | return -EINVAL; | |
1470 | ||
3df5fdad CC |
1471 | rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL); |
1472 | if (rv < 0) | |
1473 | return rv; | |
1474 | ||
1475 | return count; | |
7f80d734 CB |
1476 | } |
1477 | ||
1478 | static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv); | |
1479 | ||
4e37b42d CC |
1480 | static struct attribute *platform_attributes[] = { |
1481 | &dev_attr_cpufv.attr, | |
9e1565bc CC |
1482 | &dev_attr_camera.attr, |
1483 | &dev_attr_cardr.attr, | |
4615bb66 | 1484 | &dev_attr_touchpad.attr, |
c0b91b6d | 1485 | &dev_attr_lid_resume.attr, |
4e37b42d CC |
1486 | NULL |
1487 | }; | |
1488 | ||
587a1f16 | 1489 | static umode_t asus_sysfs_is_visible(struct kobject *kobj, |
e12e6d94 | 1490 | struct attribute *attr, int idx) |
9e1565bc | 1491 | { |
1d070f89 CC |
1492 | struct device *dev = container_of(kobj, struct device, kobj); |
1493 | struct platform_device *pdev = to_platform_device(dev); | |
1494 | struct asus_wmi *asus = platform_get_drvdata(pdev); | |
1495 | bool ok = true; | |
9e1565bc CC |
1496 | int devid = -1; |
1497 | ||
1498 | if (attr == &dev_attr_camera.attr) | |
e12e6d94 | 1499 | devid = ASUS_WMI_DEVID_CAMERA; |
9e1565bc | 1500 | else if (attr == &dev_attr_cardr.attr) |
e12e6d94 | 1501 | devid = ASUS_WMI_DEVID_CARDREADER; |
4615bb66 | 1502 | else if (attr == &dev_attr_touchpad.attr) |
e12e6d94 | 1503 | devid = ASUS_WMI_DEVID_TOUCHPAD; |
c0b91b6d AK |
1504 | else if (attr == &dev_attr_lid_resume.attr) |
1505 | devid = ASUS_WMI_DEVID_LID_RESUME; | |
9e1565bc CC |
1506 | |
1507 | if (devid != -1) | |
1d070f89 | 1508 | ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); |
9e1565bc | 1509 | |
1d070f89 | 1510 | return ok ? attr->mode : 0; |
9e1565bc CC |
1511 | } |
1512 | ||
4e37b42d | 1513 | static struct attribute_group platform_attribute_group = { |
e12e6d94 CC |
1514 | .is_visible = asus_sysfs_is_visible, |
1515 | .attrs = platform_attributes | |
4e37b42d CC |
1516 | }; |
1517 | ||
e12e6d94 | 1518 | static void asus_wmi_sysfs_exit(struct platform_device *device) |
7f80d734 | 1519 | { |
4e37b42d | 1520 | sysfs_remove_group(&device->dev.kobj, &platform_attribute_group); |
7f80d734 CB |
1521 | } |
1522 | ||
e12e6d94 | 1523 | static int asus_wmi_sysfs_init(struct platform_device *device) |
7f80d734 | 1524 | { |
4e37b42d | 1525 | return sysfs_create_group(&device->dev.kobj, &platform_attribute_group); |
7f80d734 CB |
1526 | } |
1527 | ||
27c136c8 CC |
1528 | /* |
1529 | * Platform device | |
1530 | */ | |
39ddf3bf | 1531 | static int asus_wmi_platform_init(struct asus_wmi *asus) |
ee027e4a | 1532 | { |
46dbca87 CC |
1533 | int rv; |
1534 | ||
1535 | /* INIT enable hotkeys on some models */ | |
1536 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv)) | |
0ed60654 | 1537 | pr_info("Initialization: %#x\n", rv); |
46dbca87 CC |
1538 | |
1539 | /* We don't know yet what to do with this version... */ | |
1540 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) { | |
0ed60654 | 1541 | pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF); |
46dbca87 CC |
1542 | asus->spec = rv; |
1543 | } | |
1544 | ||
1545 | /* | |
1546 | * The SFUN method probably allows the original driver to get the list | |
1547 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
1548 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
1549 | * The significance of others is yet to be found. | |
1550 | */ | |
1551 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) { | |
0ed60654 | 1552 | pr_info("SFUN value: %#x\n", rv); |
46dbca87 CC |
1553 | asus->sfun = rv; |
1554 | } | |
1555 | ||
1d070f89 CC |
1556 | /* |
1557 | * Eee PC and Notebooks seems to have different method_id for DSTS, | |
1558 | * but it may also be related to the BIOS's SPEC. | |
1559 | * Note, on most Eeepc, there is no way to check if a method exist | |
1560 | * or note, while on notebooks, they returns 0xFFFFFFFE on failure, | |
1561 | * but once again, SPEC may probably be used for that kind of things. | |
1562 | */ | |
1563 | if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL)) | |
1564 | asus->dsts_id = ASUS_WMI_METHODID_DSTS; | |
63a78bb1 | 1565 | else |
1d070f89 CC |
1566 | asus->dsts_id = ASUS_WMI_METHODID_DSTS2; |
1567 | ||
fddbfed5 CC |
1568 | /* CWAP allow to define the behavior of the Fn+F2 key, |
1569 | * this method doesn't seems to be present on Eee PCs */ | |
6a2bcccd | 1570 | if (asus->driver->quirks->wapf >= 0) |
fddbfed5 | 1571 | asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP, |
6a2bcccd | 1572 | asus->driver->quirks->wapf, NULL); |
fddbfed5 | 1573 | |
e12e6d94 | 1574 | return asus_wmi_sysfs_init(asus->platform_device); |
27c136c8 CC |
1575 | } |
1576 | ||
e12e6d94 | 1577 | static void asus_wmi_platform_exit(struct asus_wmi *asus) |
27c136c8 | 1578 | { |
e12e6d94 | 1579 | asus_wmi_sysfs_exit(asus->platform_device); |
27c136c8 CC |
1580 | } |
1581 | ||
8c1b2d83 CC |
1582 | /* |
1583 | * debugfs | |
1584 | */ | |
e12e6d94 CC |
1585 | struct asus_wmi_debugfs_node { |
1586 | struct asus_wmi *asus; | |
8c1b2d83 | 1587 | char *name; |
e12e6d94 | 1588 | int (*show) (struct seq_file *m, void *data); |
8c1b2d83 CC |
1589 | }; |
1590 | ||
1591 | static int show_dsts(struct seq_file *m, void *data) | |
1592 | { | |
e12e6d94 | 1593 | struct asus_wmi *asus = m->private; |
d33da3b6 | 1594 | int err; |
8c1b2d83 CC |
1595 | u32 retval = -1; |
1596 | ||
1d070f89 | 1597 | err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); |
8c1b2d83 | 1598 | |
d33da3b6 CC |
1599 | if (err < 0) |
1600 | return err; | |
8c1b2d83 | 1601 | |
ef343491 | 1602 | seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval); |
8c1b2d83 CC |
1603 | |
1604 | return 0; | |
1605 | } | |
1606 | ||
1607 | static int show_devs(struct seq_file *m, void *data) | |
1608 | { | |
e12e6d94 | 1609 | struct asus_wmi *asus = m->private; |
d33da3b6 | 1610 | int err; |
8c1b2d83 CC |
1611 | u32 retval = -1; |
1612 | ||
d33da3b6 CC |
1613 | err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, |
1614 | &retval); | |
1615 | ||
1616 | if (err < 0) | |
1617 | return err; | |
8c1b2d83 | 1618 | |
ef343491 | 1619 | seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id, |
e12e6d94 | 1620 | asus->debug.ctrl_param, retval); |
8c1b2d83 CC |
1621 | |
1622 | return 0; | |
1623 | } | |
1624 | ||
ef343491 CC |
1625 | static int show_call(struct seq_file *m, void *data) |
1626 | { | |
1627 | struct asus_wmi *asus = m->private; | |
1628 | struct bios_args args = { | |
1629 | .arg0 = asus->debug.dev_id, | |
1630 | .arg1 = asus->debug.ctrl_param, | |
1631 | }; | |
1632 | struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; | |
1633 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1634 | union acpi_object *obj; | |
1635 | acpi_status status; | |
1636 | ||
1637 | status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, | |
1638 | 1, asus->debug.method_id, | |
1639 | &input, &output); | |
1640 | ||
1641 | if (ACPI_FAILURE(status)) | |
1642 | return -EIO; | |
1643 | ||
1644 | obj = (union acpi_object *)output.pointer; | |
1645 | if (obj && obj->type == ACPI_TYPE_INTEGER) | |
1646 | seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id, | |
1647 | asus->debug.dev_id, asus->debug.ctrl_param, | |
1648 | (u32) obj->integer.value); | |
1649 | else | |
1650 | seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id, | |
1651 | asus->debug.dev_id, asus->debug.ctrl_param, | |
a1d60867 | 1652 | obj ? obj->type : -1); |
ef343491 CC |
1653 | |
1654 | kfree(obj); | |
1655 | ||
1656 | return 0; | |
1657 | } | |
1658 | ||
e12e6d94 CC |
1659 | static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = { |
1660 | {NULL, "devs", show_devs}, | |
1661 | {NULL, "dsts", show_dsts}, | |
ef343491 | 1662 | {NULL, "call", show_call}, |
8c1b2d83 CC |
1663 | }; |
1664 | ||
e12e6d94 | 1665 | static int asus_wmi_debugfs_open(struct inode *inode, struct file *file) |
8c1b2d83 | 1666 | { |
e12e6d94 | 1667 | struct asus_wmi_debugfs_node *node = inode->i_private; |
8c1b2d83 | 1668 | |
e12e6d94 | 1669 | return single_open(file, node->show, node->asus); |
8c1b2d83 CC |
1670 | } |
1671 | ||
e12e6d94 | 1672 | static const struct file_operations asus_wmi_debugfs_io_ops = { |
8c1b2d83 | 1673 | .owner = THIS_MODULE, |
e12e6d94 | 1674 | .open = asus_wmi_debugfs_open, |
8c1b2d83 CC |
1675 | .read = seq_read, |
1676 | .llseek = seq_lseek, | |
1677 | .release = single_release, | |
1678 | }; | |
1679 | ||
e12e6d94 | 1680 | static void asus_wmi_debugfs_exit(struct asus_wmi *asus) |
8c1b2d83 | 1681 | { |
e12e6d94 | 1682 | debugfs_remove_recursive(asus->debug.root); |
8c1b2d83 CC |
1683 | } |
1684 | ||
e12e6d94 | 1685 | static int asus_wmi_debugfs_init(struct asus_wmi *asus) |
8c1b2d83 CC |
1686 | { |
1687 | struct dentry *dent; | |
1688 | int i; | |
1689 | ||
e12e6d94 CC |
1690 | asus->debug.root = debugfs_create_dir(asus->driver->name, NULL); |
1691 | if (!asus->debug.root) { | |
0ed60654 | 1692 | pr_err("failed to create debugfs directory\n"); |
8c1b2d83 CC |
1693 | goto error_debugfs; |
1694 | } | |
1695 | ||
ef343491 CC |
1696 | dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, |
1697 | asus->debug.root, &asus->debug.method_id); | |
1698 | if (!dent) | |
1699 | goto error_debugfs; | |
1700 | ||
e12e6d94 CC |
1701 | dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, |
1702 | asus->debug.root, &asus->debug.dev_id); | |
8c1b2d83 CC |
1703 | if (!dent) |
1704 | goto error_debugfs; | |
1705 | ||
e12e6d94 CC |
1706 | dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, |
1707 | asus->debug.root, &asus->debug.ctrl_param); | |
8c1b2d83 CC |
1708 | if (!dent) |
1709 | goto error_debugfs; | |
1710 | ||
e12e6d94 CC |
1711 | for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) { |
1712 | struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i]; | |
8c1b2d83 | 1713 | |
e12e6d94 | 1714 | node->asus = asus; |
8c1b2d83 | 1715 | dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO, |
e12e6d94 CC |
1716 | asus->debug.root, node, |
1717 | &asus_wmi_debugfs_io_ops); | |
8c1b2d83 CC |
1718 | if (!dent) { |
1719 | pr_err("failed to create debug file: %s\n", node->name); | |
1720 | goto error_debugfs; | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | return 0; | |
1725 | ||
1726 | error_debugfs: | |
e12e6d94 | 1727 | asus_wmi_debugfs_exit(asus); |
8c1b2d83 CC |
1728 | return -ENOMEM; |
1729 | } | |
1730 | ||
27c136c8 CC |
1731 | /* |
1732 | * WMI Driver | |
1733 | */ | |
e12e6d94 | 1734 | static int asus_wmi_add(struct platform_device *pdev) |
afa7c886 | 1735 | { |
e12e6d94 CC |
1736 | struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); |
1737 | struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); | |
1738 | struct asus_wmi *asus; | |
ee027e4a | 1739 | acpi_status status; |
27c136c8 | 1740 | int err; |
a50bd128 | 1741 | u32 result; |
ee027e4a | 1742 | |
e12e6d94 CC |
1743 | asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL); |
1744 | if (!asus) | |
a04ce290 CC |
1745 | return -ENOMEM; |
1746 | ||
e12e6d94 CC |
1747 | asus->driver = wdrv; |
1748 | asus->platform_device = pdev; | |
1749 | wdrv->platform_device = pdev; | |
1750 | platform_set_drvdata(asus->platform_device, asus); | |
27c136c8 | 1751 | |
c87992d1 AK |
1752 | if (wdrv->detect_quirks) |
1753 | wdrv->detect_quirks(asus->driver); | |
afa7c886 | 1754 | |
e12e6d94 | 1755 | err = asus_wmi_platform_init(asus); |
27c136c8 CC |
1756 | if (err) |
1757 | goto fail_platform; | |
45f2c693 | 1758 | |
e12e6d94 | 1759 | err = asus_wmi_input_init(asus); |
45f2c693 | 1760 | if (err) |
27c136c8 | 1761 | goto fail_input; |
3d7b1655 | 1762 | |
e07babde CC |
1763 | err = asus_wmi_hwmon_init(asus); |
1764 | if (err) | |
1765 | goto fail_hwmon; | |
1766 | ||
e12e6d94 | 1767 | err = asus_wmi_led_init(asus); |
084fca63 CC |
1768 | if (err) |
1769 | goto fail_leds; | |
1770 | ||
e12e6d94 | 1771 | err = asus_wmi_rfkill_init(asus); |
ba48fdb9 CC |
1772 | if (err) |
1773 | goto fail_rfkill; | |
1774 | ||
272c77d5 AK |
1775 | if (asus->driver->quirks->wmi_backlight_power) |
1776 | acpi_video_dmi_promote_vendor(); | |
3d7b1655 | 1777 | if (!acpi_video_backlight_support()) { |
272c77d5 AK |
1778 | pr_info("Disabling ACPI video driver\n"); |
1779 | acpi_video_unregister(); | |
e12e6d94 | 1780 | err = asus_wmi_backlight_init(asus); |
b7187265 | 1781 | if (err && err != -ENODEV) |
27c136c8 | 1782 | goto fail_backlight; |
3d7b1655 YW |
1783 | } else |
1784 | pr_info("Backlight controlled by ACPI video driver\n"); | |
45f2c693 | 1785 | |
e12e6d94 CC |
1786 | status = wmi_install_notify_handler(asus->driver->event_guid, |
1787 | asus_wmi_notify, asus); | |
45f2c693 | 1788 | if (ACPI_FAILURE(status)) { |
e12e6d94 | 1789 | pr_err("Unable to register notify handler - %d\n", status); |
45f2c693 | 1790 | err = -ENODEV; |
27c136c8 | 1791 | goto fail_wmi_handler; |
45f2c693 YW |
1792 | } |
1793 | ||
e12e6d94 | 1794 | err = asus_wmi_debugfs_init(asus); |
8c1b2d83 CC |
1795 | if (err) |
1796 | goto fail_debugfs; | |
1797 | ||
a50bd128 AK |
1798 | asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); |
1799 | if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) | |
1800 | asus->driver->wlan_ctrl_by_user = 1; | |
1801 | ||
a04ce290 | 1802 | return 0; |
45f2c693 | 1803 | |
8c1b2d83 | 1804 | fail_debugfs: |
e12e6d94 | 1805 | wmi_remove_notify_handler(asus->driver->event_guid); |
27c136c8 | 1806 | fail_wmi_handler: |
e12e6d94 | 1807 | asus_wmi_backlight_exit(asus); |
27c136c8 | 1808 | fail_backlight: |
e12e6d94 | 1809 | asus_wmi_rfkill_exit(asus); |
ba48fdb9 | 1810 | fail_rfkill: |
e12e6d94 | 1811 | asus_wmi_led_exit(asus); |
084fca63 | 1812 | fail_leds: |
e07babde | 1813 | fail_hwmon: |
e12e6d94 | 1814 | asus_wmi_input_exit(asus); |
27c136c8 | 1815 | fail_input: |
e12e6d94 | 1816 | asus_wmi_platform_exit(asus); |
27c136c8 | 1817 | fail_platform: |
e12e6d94 | 1818 | kfree(asus); |
a04ce290 | 1819 | return err; |
45f2c693 YW |
1820 | } |
1821 | ||
e12e6d94 | 1822 | static int asus_wmi_remove(struct platform_device *device) |
45f2c693 | 1823 | { |
e12e6d94 CC |
1824 | struct asus_wmi *asus; |
1825 | ||
1826 | asus = platform_get_drvdata(device); | |
1827 | wmi_remove_notify_handler(asus->driver->event_guid); | |
1828 | asus_wmi_backlight_exit(asus); | |
1829 | asus_wmi_input_exit(asus); | |
1830 | asus_wmi_led_exit(asus); | |
1831 | asus_wmi_rfkill_exit(asus); | |
1832 | asus_wmi_debugfs_exit(asus); | |
1833 | asus_wmi_platform_exit(asus); | |
1834 | ||
1835 | kfree(asus); | |
45f2c693 YW |
1836 | return 0; |
1837 | } | |
1838 | ||
0773d7f9 CC |
1839 | /* |
1840 | * Platform driver - hibernate/resume callbacks | |
1841 | */ | |
e12e6d94 | 1842 | static int asus_hotk_thaw(struct device *device) |
0773d7f9 | 1843 | { |
e12e6d94 | 1844 | struct asus_wmi *asus = dev_get_drvdata(device); |
0773d7f9 | 1845 | |
a7ce3f04 | 1846 | if (asus->wlan.rfkill) { |
0773d7f9 CC |
1847 | bool wlan; |
1848 | ||
1849 | /* | |
1850 | * Work around bios bug - acpi _PTS turns off the wireless led | |
1851 | * during suspend. Normally it restores it on resume, but | |
1852 | * we should kick it ourselves in case hibernation is aborted. | |
1853 | */ | |
1d070f89 | 1854 | wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); |
e12e6d94 | 1855 | asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL); |
0773d7f9 CC |
1856 | } |
1857 | ||
1858 | return 0; | |
1859 | } | |
1860 | ||
e12e6d94 | 1861 | static int asus_hotk_restore(struct device *device) |
0773d7f9 | 1862 | { |
e12e6d94 | 1863 | struct asus_wmi *asus = dev_get_drvdata(device); |
0773d7f9 CC |
1864 | int bl; |
1865 | ||
1866 | /* Refresh both wlan rfkill state and pci hotplug */ | |
a7ce3f04 | 1867 | if (asus->wlan.rfkill) |
e12e6d94 | 1868 | asus_rfkill_hotplug(asus); |
0773d7f9 | 1869 | |
a7ce3f04 | 1870 | if (asus->bluetooth.rfkill) { |
1d070f89 CC |
1871 | bl = !asus_wmi_get_devstate_simple(asus, |
1872 | ASUS_WMI_DEVID_BLUETOOTH); | |
a7ce3f04 | 1873 | rfkill_set_sw_state(asus->bluetooth.rfkill, bl); |
2e9e159d | 1874 | } |
a7ce3f04 | 1875 | if (asus->wimax.rfkill) { |
1d070f89 | 1876 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX); |
a7ce3f04 | 1877 | rfkill_set_sw_state(asus->wimax.rfkill, bl); |
2e9e159d | 1878 | } |
a7ce3f04 | 1879 | if (asus->wwan3g.rfkill) { |
1d070f89 | 1880 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G); |
a7ce3f04 | 1881 | rfkill_set_sw_state(asus->wwan3g.rfkill, bl); |
0773d7f9 | 1882 | } |
43be8bde CC |
1883 | if (asus->gps.rfkill) { |
1884 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS); | |
1885 | rfkill_set_sw_state(asus->gps.rfkill, bl); | |
1886 | } | |
a912d329 CC |
1887 | if (asus->uwb.rfkill) { |
1888 | bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB); | |
1889 | rfkill_set_sw_state(asus->uwb.rfkill, bl); | |
1890 | } | |
0773d7f9 CC |
1891 | |
1892 | return 0; | |
1893 | } | |
1894 | ||
e12e6d94 CC |
1895 | static const struct dev_pm_ops asus_pm_ops = { |
1896 | .thaw = asus_hotk_thaw, | |
1897 | .restore = asus_hotk_restore, | |
45f2c693 YW |
1898 | }; |
1899 | ||
e12e6d94 | 1900 | static int asus_wmi_probe(struct platform_device *pdev) |
d358cb55 | 1901 | { |
e12e6d94 CC |
1902 | struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); |
1903 | struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); | |
1904 | int ret; | |
d358cb55 | 1905 | |
e12e6d94 | 1906 | if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { |
5ad77dcf | 1907 | pr_warn("Management GUID not found\n"); |
ee027e4a YW |
1908 | return -ENODEV; |
1909 | } | |
1910 | ||
e12e6d94 | 1911 | if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) { |
5ad77dcf | 1912 | pr_warn("Event GUID not found\n"); |
d358cb55 CC |
1913 | return -ENODEV; |
1914 | } | |
1915 | ||
e12e6d94 CC |
1916 | if (wdrv->probe) { |
1917 | ret = wdrv->probe(pdev); | |
1918 | if (ret) | |
1919 | return ret; | |
1920 | } | |
1921 | ||
1922 | return asus_wmi_add(pdev); | |
a04ce290 | 1923 | } |
45f2c693 | 1924 | |
e12e6d94 | 1925 | static bool used; |
ee027e4a | 1926 | |
8fe8c25e | 1927 | int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver) |
a04ce290 | 1928 | { |
e12e6d94 CC |
1929 | struct platform_driver *platform_driver; |
1930 | struct platform_device *platform_device; | |
1931 | ||
1932 | if (used) | |
1933 | return -EBUSY; | |
1934 | ||
1935 | platform_driver = &driver->platform_driver; | |
1936 | platform_driver->remove = asus_wmi_remove; | |
1937 | platform_driver->driver.owner = driver->owner; | |
1938 | platform_driver->driver.name = driver->name; | |
1939 | platform_driver->driver.pm = &asus_pm_ops; | |
1940 | ||
1941 | platform_device = platform_create_bundle(platform_driver, | |
1942 | asus_wmi_probe, | |
a04ce290 CC |
1943 | NULL, 0, NULL, 0); |
1944 | if (IS_ERR(platform_device)) | |
1945 | return PTR_ERR(platform_device); | |
e12e6d94 CC |
1946 | |
1947 | used = true; | |
1948 | return 0; | |
1949 | } | |
1950 | EXPORT_SYMBOL_GPL(asus_wmi_register_driver); | |
1951 | ||
1952 | void asus_wmi_unregister_driver(struct asus_wmi_driver *driver) | |
1953 | { | |
1954 | platform_device_unregister(driver->platform_device); | |
1955 | platform_driver_unregister(&driver->platform_driver); | |
1956 | used = false; | |
1957 | } | |
1958 | EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver); | |
1959 | ||
1960 | static int __init asus_wmi_init(void) | |
1961 | { | |
1962 | if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { | |
0ed60654 | 1963 | pr_info("Asus Management GUID not found\n"); |
e12e6d94 CC |
1964 | return -ENODEV; |
1965 | } | |
1966 | ||
0ed60654 | 1967 | pr_info("ASUS WMI generic driver loaded\n"); |
ee027e4a YW |
1968 | return 0; |
1969 | } | |
1970 | ||
e12e6d94 | 1971 | static void __exit asus_wmi_exit(void) |
ee027e4a | 1972 | { |
0ed60654 | 1973 | pr_info("ASUS WMI generic driver unloaded\n"); |
ee027e4a YW |
1974 | } |
1975 | ||
e12e6d94 CC |
1976 | module_init(asus_wmi_init); |
1977 | module_exit(asus_wmi_exit); |