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85091b71 CC |
1 | /* |
2 | * asus-laptop.c - Asus Laptop Support | |
3 | * | |
4 | * | |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor | |
8ec555c2 | 6 | * Copyright (C) 2006-2007 Corentin Chary |
85091b71 CC |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * | |
23 | * The development page for this driver is located at | |
24 | * http://sourceforge.net/projects/acpi4asus/ | |
25 | * | |
26 | * Credits: | |
27 | * Pontus Fuchs - Helper functions, cleanup | |
28 | * Johann Wiesner - Small compile fixes | |
29 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. | |
30 | * Eric Burghard - LED display support for W1N | |
31 | * Josh Green - Light Sens support | |
c8440336 | 32 | * Thomas Tuttle - His first patch for led support was very helpful |
e539c2f6 | 33 | * Sam Lin - GPS support |
85091b71 CC |
34 | */ |
35 | ||
2fcc23da CC |
36 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
37 | ||
85091b71 CC |
38 | #include <linux/kernel.h> |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/types.h> | |
42 | #include <linux/err.h> | |
43 | #include <linux/proc_fs.h> | |
6b7091e7 CC |
44 | #include <linux/backlight.h> |
45 | #include <linux/fb.h> | |
be18cdab | 46 | #include <linux/leds.h> |
85091b71 | 47 | #include <linux/platform_device.h> |
060cbce6 | 48 | #include <linux/uaccess.h> |
034ce90a | 49 | #include <linux/input.h> |
66a71dd1 | 50 | #include <linux/input/sparse-keymap.h> |
18e1311e | 51 | #include <linux/rfkill.h> |
5a0e3ad6 | 52 | #include <linux/slab.h> |
af96f877 | 53 | #include <linux/dmi.h> |
060cbce6 CC |
54 | #include <acpi/acpi_drivers.h> |
55 | #include <acpi/acpi_bus.h> | |
85091b71 | 56 | |
91687cc8 | 57 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 58 | |
50a90c4d CC |
59 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
60 | #define ASUS_LAPTOP_CLASS "hotkey" | |
61 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
62 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
63 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 64 | |
85091b71 | 65 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 66 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
67 | MODULE_LICENSE("GPL"); |
68 | ||
be966660 CC |
69 | /* |
70 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
71 | * The significance of values is yet to be found, but |
72 | * most of the time: | |
73 | * 0x0 will do nothing | |
74 | * 0x1 will allow to control the device with Fn+Fx key. | |
75 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
76 | * 0x5 like 0x1 or 0x4 | |
77 | * So, if something doesn't work as you want, just try other values =) | |
78 | */ | |
79 | static uint wapf = 1; | |
c26d85cb | 80 | module_param(wapf, uint, 0444); |
185e5af9 CC |
81 | MODULE_PARM_DESC(wapf, "WAPF value"); |
82 | ||
668f4a03 DC |
83 | static int wlan_status = 1; |
84 | static int bluetooth_status = 1; | |
ba1ff5be CC |
85 | static int wimax_status = -1; |
86 | static int wwan_status = -1; | |
0e875f49 | 87 | |
c26d85cb | 88 | module_param(wlan_status, int, 0444); |
d0930a2d | 89 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " |
0e875f49 CC |
90 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
91 | "default is 1"); | |
92 | ||
c26d85cb | 93 | module_param(bluetooth_status, int, 0444); |
0e875f49 CC |
94 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " |
95 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
96 | "default is 1"); | |
97 | ||
ba1ff5be CC |
98 | module_param(wimax_status, int, 0444); |
99 | MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot " | |
100 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
101 | "default is 1"); | |
102 | ||
103 | module_param(wwan_status, int, 0444); | |
104 | MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " | |
105 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
106 | "default is 1"); | |
107 | ||
be4ee82d CC |
108 | /* |
109 | * Some events we use, same for all Asus | |
110 | */ | |
060cbce6 CC |
111 | #define ATKD_BR_UP 0x10 /* (event & ~ATKD_BR_UP) = brightness level */ |
112 | #define ATKD_BR_DOWN 0x20 /* (event & ~ATKD_BR_DOWN) = britghness level */ | |
a539df5e | 113 | #define ATKD_BR_MIN ATKD_BR_UP |
060cbce6 | 114 | #define ATKD_BR_MAX (ATKD_BR_DOWN | 0xF) /* 0x2f */ |
be4ee82d CC |
115 | #define ATKD_LCD_ON 0x33 |
116 | #define ATKD_LCD_OFF 0x34 | |
117 | ||
118 | /* | |
119 | * Known bits returned by \_SB.ATKD.HWRS | |
120 | */ | |
121 | #define WL_HWRS 0x80 | |
122 | #define BT_HWRS 0x100 | |
123 | ||
124 | /* | |
125 | * Flags for hotk status | |
126 | * WL_ON and BT_ON are also used for wireless_status() | |
127 | */ | |
17e78f62 CC |
128 | #define WL_RSTS 0x01 /* internal Wifi */ |
129 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
ba1ff5be CC |
130 | #define WM_RSTS 0x08 /* internal wimax */ |
131 | #define WW_RSTS 0x20 /* internal wwan */ | |
be4ee82d | 132 | |
be18cdab | 133 | /* LED */ |
d99b577c CC |
134 | #define METHOD_MLED "MLED" |
135 | #define METHOD_TLED "TLED" | |
136 | #define METHOD_RLED "RLED" /* W1JC */ | |
137 | #define METHOD_PLED "PLED" /* A7J */ | |
138 | #define METHOD_GLED "GLED" /* G1, G2 (probably) */ | |
be18cdab | 139 | |
722ad971 | 140 | /* LEDD */ |
d99b577c | 141 | #define METHOD_LEDD "SLCM" |
722ad971 | 142 | |
be966660 CC |
143 | /* |
144 | * Bluetooth and WLAN | |
4564de17 CC |
145 | * WLED and BLED are not handled like other XLED, because in some dsdt |
146 | * they also control the WLAN/Bluetooth device. | |
147 | */ | |
d99b577c CC |
148 | #define METHOD_WLAN "WLED" |
149 | #define METHOD_BLUETOOTH "BLED" | |
ba1ff5be CC |
150 | |
151 | /* WWAN and WIMAX */ | |
152 | #define METHOD_WWAN "GSMC" | |
153 | #define METHOD_WIMAX "WMXC" | |
154 | ||
d99b577c | 155 | #define METHOD_WL_STATUS "RSTS" |
4564de17 | 156 | |
6b7091e7 | 157 | /* Brightness */ |
d99b577c CC |
158 | #define METHOD_BRIGHTNESS_SET "SPLV" |
159 | #define METHOD_BRIGHTNESS_GET "GPLV" | |
6b7091e7 | 160 | |
78127b4a | 161 | /* Display */ |
d99b577c | 162 | #define METHOD_SWITCH_DISPLAY "SDSP" |
060cbce6 | 163 | |
d99b577c CC |
164 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
165 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ | |
8b857353 | 166 | |
e539c2f6 CC |
167 | /* GPS */ |
168 | /* R2H use different handle for GPS on/off */ | |
d99b577c CC |
169 | #define METHOD_GPS_ON "SDON" |
170 | #define METHOD_GPS_OFF "SDOF" | |
171 | #define METHOD_GPS_STATUS "GPST" | |
e539c2f6 | 172 | |
b7d3fbc2 | 173 | /* Keyboard light */ |
d99b577c CC |
174 | #define METHOD_KBD_LIGHT_SET "SLKB" |
175 | #define METHOD_KBD_LIGHT_GET "GLKB" | |
b7d3fbc2 | 176 | |
9129d14d CC |
177 | /* |
178 | * Define a specific led structure to keep the main structure clean | |
179 | */ | |
aee0afb8 CC |
180 | struct asus_led { |
181 | int wk; | |
182 | struct work_struct work; | |
183 | struct led_classdev led; | |
184 | struct asus_laptop *asus; | |
185 | const char *method; | |
9129d14d CC |
186 | }; |
187 | ||
85091b71 CC |
188 | /* |
189 | * This is the main structure, we can use it to store anything interesting | |
190 | * about the hotk device | |
191 | */ | |
50a90c4d | 192 | struct asus_laptop { |
be966660 | 193 | char *name; /* laptop name */ |
600ad520 | 194 | |
7c247645 | 195 | struct acpi_table_header *dsdt_info; |
600ad520 | 196 | struct platform_device *platform_device; |
7c247645 CC |
197 | struct acpi_device *device; /* the device we are in */ |
198 | struct backlight_device *backlight_device; | |
9129d14d | 199 | |
7c247645 | 200 | struct input_dev *inputdev; |
9129d14d CC |
201 | struct key_entry *keymap; |
202 | ||
aee0afb8 CC |
203 | struct asus_led mled; |
204 | struct asus_led tled; | |
205 | struct asus_led rled; | |
206 | struct asus_led pled; | |
207 | struct asus_led gled; | |
208 | struct asus_led kled; | |
209 | struct workqueue_struct *led_workqueue; | |
7c247645 | 210 | |
aa9df930 CC |
211 | int wireless_status; |
212 | bool have_rsts; | |
213 | ||
18e1311e CC |
214 | struct rfkill *gps_rfkill; |
215 | ||
be966660 | 216 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
217 | u32 ledd_status; /* status of the LED display */ |
218 | u8 light_level; /* light sensor level */ | |
219 | u8 light_switch; /* light sensor switch value */ | |
220 | u16 event_count[128]; /* count for each event TODO make this better */ | |
85091b71 CC |
221 | }; |
222 | ||
9129d14d | 223 | static const struct key_entry asus_keymap[] = { |
a539df5e | 224 | /* Lenovo SL Specific keycodes */ |
66a71dd1 CC |
225 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
226 | {KE_KEY, 0x05, { KEY_WLAN } }, | |
227 | {KE_KEY, 0x08, { KEY_F13 } }, | |
228 | {KE_KEY, 0x17, { KEY_ZOOM } }, | |
229 | {KE_KEY, 0x1f, { KEY_BATTERY } }, | |
a539df5e | 230 | /* End of Lenovo SL Specific keycodes */ |
66a71dd1 CC |
231 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, |
232 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, | |
233 | {KE_KEY, 0x32, { KEY_MUTE } }, | |
234 | {KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } }, | |
235 | {KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } }, | |
236 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, | |
237 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, | |
238 | {KE_KEY, 0x43, { KEY_STOPCD } }, | |
239 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, | |
240 | {KE_KEY, 0x4c, { KEY_MEDIA } }, | |
241 | {KE_KEY, 0x50, { KEY_EMAIL } }, | |
242 | {KE_KEY, 0x51, { KEY_WWW } }, | |
243 | {KE_KEY, 0x55, { KEY_CALC } }, | |
244 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ | |
245 | {KE_KEY, 0x5D, { KEY_WLAN } }, | |
246 | {KE_KEY, 0x5E, { KEY_WLAN } }, | |
247 | {KE_KEY, 0x5F, { KEY_WLAN } }, | |
248 | {KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, | |
249 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, | |
250 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, | |
251 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, | |
252 | {KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */ | |
7f607d71 CC |
253 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, |
254 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, | |
66a71dd1 CC |
255 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
256 | {KE_KEY, 0x88, { KEY_WLAN } }, | |
257 | {KE_KEY, 0x8A, { KEY_PROG1 } }, | |
258 | {KE_KEY, 0x95, { KEY_MEDIA } }, | |
259 | {KE_KEY, 0x99, { KEY_PHONE } }, | |
260 | {KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, | |
261 | {KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, | |
b58baecd | 262 | {KE_KEY, 0xb5, { KEY_CALC } }, |
034ce90a CC |
263 | {KE_END, 0}, |
264 | }; | |
265 | ||
66a71dd1 | 266 | |
85091b71 CC |
267 | /* |
268 | * This function evaluates an ACPI method, given an int as parameter, the | |
269 | * method is searched within the scope of the handle, can be NULL. The output | |
270 | * of the method is written is output, which can also be NULL | |
271 | * | |
f8d1c94b | 272 | * returns 0 if write is successful, -1 else. |
85091b71 | 273 | */ |
d8c67323 CC |
274 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
275 | struct acpi_buffer *output) | |
85091b71 | 276 | { |
be966660 CC |
277 | struct acpi_object_list params; /* list of input parameters (an int) */ |
278 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
279 | acpi_status status; |
280 | ||
f8d1c94b | 281 | if (!handle) |
9fb866f3 | 282 | return -1; |
f8d1c94b | 283 | |
85091b71 CC |
284 | params.count = 1; |
285 | params.pointer = &in_obj; | |
286 | in_obj.type = ACPI_TYPE_INTEGER; | |
287 | in_obj.integer.value = val; | |
288 | ||
289 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
290 | if (status == AE_OK) |
291 | return 0; | |
292 | else | |
293 | return -1; | |
85091b71 CC |
294 | } |
295 | ||
d8c67323 CC |
296 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
297 | { | |
298 | return write_acpi_int_ret(handle, method, val, NULL); | |
299 | } | |
300 | ||
d99b577c CC |
301 | static int acpi_check_handle(acpi_handle handle, const char *method, |
302 | acpi_handle *ret) | |
303 | { | |
304 | acpi_status status; | |
305 | ||
306 | if (method == NULL) | |
307 | return -ENODEV; | |
308 | ||
309 | if (ret) | |
310 | status = acpi_get_handle(handle, (char *)method, | |
311 | ret); | |
312 | else { | |
313 | acpi_handle dummy; | |
314 | ||
315 | status = acpi_get_handle(handle, (char *)method, | |
316 | &dummy); | |
317 | } | |
318 | ||
319 | if (status != AE_OK) { | |
320 | if (ret) | |
321 | pr_warning("Error finding %s\n", method); | |
322 | return -ENODEV; | |
323 | } | |
324 | return 0; | |
325 | } | |
326 | ||
17e78f62 | 327 | /* Generic LED function */ |
aee0afb8 | 328 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
17e78f62 | 329 | int value) |
be18cdab | 330 | { |
d99b577c | 331 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 332 | value = !value; |
d99b577c | 333 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
334 | value = !value + 1; |
335 | else | |
336 | value = !!value; | |
be18cdab | 337 | |
e5593bf1 | 338 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
339 | } |
340 | ||
be4ee82d CC |
341 | /* |
342 | * LEDs | |
343 | */ | |
be18cdab | 344 | /* /sys/class/led handlers */ |
aee0afb8 CC |
345 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
346 | enum led_brightness value) | |
347 | { | |
348 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); | |
349 | struct asus_laptop *asus = led->asus; | |
350 | ||
351 | led->wk = !!value; | |
352 | queue_work(asus->led_workqueue, &led->work); | |
353 | } | |
be18cdab | 354 | |
aee0afb8 CC |
355 | static void asus_led_cdev_update(struct work_struct *work) |
356 | { | |
357 | struct asus_led *led = container_of(work, struct asus_led, work); | |
358 | struct asus_laptop *asus = led->asus; | |
359 | ||
360 | asus_led_set(asus, led->method, led->wk); | |
361 | } | |
362 | ||
363 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) | |
364 | { | |
365 | return led_cdev->brightness; | |
366 | } | |
be18cdab | 367 | |
b7d3fbc2 | 368 | /* |
be4ee82d | 369 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 370 | */ |
d99b577c | 371 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
372 | { |
373 | unsigned long long kblv; | |
374 | struct acpi_object_list params; | |
375 | union acpi_object in_obj; | |
376 | acpi_status rv; | |
377 | ||
378 | params.count = 1; | |
379 | params.pointer = &in_obj; | |
380 | in_obj.type = ACPI_TYPE_INTEGER; | |
381 | in_obj.integer.value = 2; | |
382 | ||
d99b577c CC |
383 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
384 | ¶ms, &kblv); | |
b7d3fbc2 CC |
385 | if (ACPI_FAILURE(rv)) { |
386 | pr_warning("Error reading kled level\n"); | |
4d441513 | 387 | return -ENODEV; |
b7d3fbc2 CC |
388 | } |
389 | return kblv; | |
390 | } | |
391 | ||
4d441513 | 392 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
393 | { |
394 | if (kblv > 0) | |
395 | kblv = (1 << 7) | (kblv & 0x7F); | |
396 | else | |
397 | kblv = 0; | |
398 | ||
d99b577c | 399 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
b7d3fbc2 CC |
400 | pr_warning("Keyboard LED display write failed\n"); |
401 | return -EINVAL; | |
402 | } | |
403 | return 0; | |
404 | } | |
405 | ||
aee0afb8 CC |
406 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
407 | enum led_brightness value) | |
b7d3fbc2 | 408 | { |
aee0afb8 CC |
409 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
410 | struct asus_laptop *asus = led->asus; | |
9129d14d | 411 | |
060cbce6 | 412 | led->wk = value; |
aee0afb8 | 413 | queue_work(asus->led_workqueue, &led->work); |
b7d3fbc2 CC |
414 | } |
415 | ||
aee0afb8 | 416 | static void asus_kled_cdev_update(struct work_struct *work) |
b7d3fbc2 | 417 | { |
aee0afb8 CC |
418 | struct asus_led *led = container_of(work, struct asus_led, work); |
419 | struct asus_laptop *asus = led->asus; | |
9129d14d | 420 | |
aee0afb8 | 421 | asus_kled_set(asus, led->wk); |
b7d3fbc2 CC |
422 | } |
423 | ||
aee0afb8 | 424 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
b7d3fbc2 | 425 | { |
aee0afb8 CC |
426 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
427 | struct asus_laptop *asus = led->asus; | |
d99b577c CC |
428 | |
429 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
430 | } |
431 | ||
be4ee82d CC |
432 | static void asus_led_exit(struct asus_laptop *asus) |
433 | { | |
aee0afb8 CC |
434 | if (asus->mled.led.dev) |
435 | led_classdev_unregister(&asus->mled.led); | |
436 | if (asus->tled.led.dev) | |
437 | led_classdev_unregister(&asus->tled.led); | |
438 | if (asus->pled.led.dev) | |
439 | led_classdev_unregister(&asus->pled.led); | |
440 | if (asus->rled.led.dev) | |
441 | led_classdev_unregister(&asus->rled.led); | |
442 | if (asus->gled.led.dev) | |
443 | led_classdev_unregister(&asus->gled.led); | |
444 | if (asus->kled.led.dev) | |
445 | led_classdev_unregister(&asus->kled.led); | |
446 | if (asus->led_workqueue) { | |
447 | destroy_workqueue(asus->led_workqueue); | |
448 | asus->led_workqueue = NULL; | |
be4ee82d CC |
449 | } |
450 | } | |
451 | ||
452 | /* Ugly macro, need to fix that later */ | |
aee0afb8 CC |
453 | static int asus_led_register(struct asus_laptop *asus, |
454 | struct asus_led *led, | |
455 | const char *name, const char *method) | |
456 | { | |
457 | struct led_classdev *led_cdev = &led->led; | |
458 | ||
459 | if (!method || acpi_check_handle(asus->handle, method, NULL)) | |
060cbce6 | 460 | return 0; /* Led not present */ |
aee0afb8 CC |
461 | |
462 | led->asus = asus; | |
463 | led->method = method; | |
464 | ||
465 | INIT_WORK(&led->work, asus_led_cdev_update); | |
466 | led_cdev->name = name; | |
467 | led_cdev->brightness_set = asus_led_cdev_set; | |
468 | led_cdev->brightness_get = asus_led_cdev_get; | |
469 | led_cdev->max_brightness = 1; | |
470 | return led_classdev_register(&asus->platform_device->dev, led_cdev); | |
471 | } | |
be4ee82d CC |
472 | |
473 | static int asus_led_init(struct asus_laptop *asus) | |
474 | { | |
aee0afb8 | 475 | int r; |
be4ee82d CC |
476 | |
477 | /* | |
478 | * Functions that actually update the LED's are called from a | |
479 | * workqueue. By doing this as separate work rather than when the LED | |
480 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
481 | * potentially bad time, such as a timer interrupt. | |
482 | */ | |
aee0afb8 CC |
483 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
484 | if (!asus->led_workqueue) | |
be4ee82d CC |
485 | return -ENOMEM; |
486 | ||
aee0afb8 CC |
487 | r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED); |
488 | if (r) | |
489 | goto error; | |
490 | r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED); | |
491 | if (r) | |
492 | goto error; | |
493 | r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED); | |
494 | if (r) | |
495 | goto error; | |
496 | r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED); | |
497 | if (r) | |
498 | goto error; | |
499 | r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED); | |
500 | if (r) | |
501 | goto error; | |
d99b577c | 502 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
aee0afb8 CC |
503 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
504 | struct asus_led *led = &asus->kled; | |
505 | struct led_classdev *cdev = &led->led; | |
506 | ||
507 | led->asus = asus; | |
508 | ||
509 | INIT_WORK(&led->work, asus_kled_cdev_update); | |
510 | cdev->name = "asus::kbd_backlight"; | |
511 | cdev->brightness_set = asus_kled_cdev_set; | |
512 | cdev->brightness_get = asus_kled_cdev_get; | |
513 | cdev->max_brightness = 3; | |
514 | r = led_classdev_register(&asus->platform_device->dev, cdev); | |
515 | } | |
be4ee82d | 516 | error: |
aee0afb8 | 517 | if (r) |
be4ee82d | 518 | asus_led_exit(asus); |
aee0afb8 | 519 | return r; |
be4ee82d CC |
520 | } |
521 | ||
522 | /* | |
523 | * Backlight device | |
524 | */ | |
4d441513 | 525 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 526 | { |
d99b577c | 527 | struct asus_laptop *asus = bl_get_data(bd); |
27663c58 | 528 | unsigned long long value; |
9a816850 | 529 | acpi_status rv = AE_OK; |
6b7091e7 | 530 | |
d99b577c CC |
531 | rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, |
532 | NULL, &value); | |
9a816850 | 533 | if (ACPI_FAILURE(rv)) |
2fcc23da | 534 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
535 | |
536 | return value; | |
537 | } | |
538 | ||
4d441513 | 539 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 540 | { |
d99b577c CC |
541 | struct asus_laptop *asus = bl_get_data(bd); |
542 | ||
543 | if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) { | |
2fcc23da | 544 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 545 | return -EIO; |
6b7091e7 | 546 | } |
e5b50f6a | 547 | return 0; |
6b7091e7 CC |
548 | } |
549 | ||
550 | static int update_bl_status(struct backlight_device *bd) | |
551 | { | |
599a52d1 | 552 | int value = bd->props.brightness; |
6b7091e7 | 553 | |
3b81cf9d | 554 | return asus_set_brightness(bd, value); |
6b7091e7 CC |
555 | } |
556 | ||
acc2472e | 557 | static const struct backlight_ops asusbl_ops = { |
4d441513 | 558 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
559 | .update_status = update_bl_status, |
560 | }; | |
561 | ||
a539df5e CC |
562 | static int asus_backlight_notify(struct asus_laptop *asus) |
563 | { | |
564 | struct backlight_device *bd = asus->backlight_device; | |
565 | int old = bd->props.brightness; | |
566 | ||
567 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
568 | ||
569 | return old; | |
570 | } | |
571 | ||
be4ee82d CC |
572 | static int asus_backlight_init(struct asus_laptop *asus) |
573 | { | |
574 | struct backlight_device *bd; | |
a19a6ee6 | 575 | struct backlight_properties props; |
be4ee82d | 576 | |
71e687dc | 577 | if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) || |
3b81cf9d | 578 | acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL)) |
71e687dc | 579 | return 0; |
be4ee82d | 580 | |
71e687dc CC |
581 | memset(&props, 0, sizeof(struct backlight_properties)); |
582 | props.max_brightness = 15; | |
bb7ca747 | 583 | props.type = BACKLIGHT_PLATFORM; |
be4ee82d | 584 | |
71e687dc CC |
585 | bd = backlight_device_register(ASUS_LAPTOP_FILE, |
586 | &asus->platform_device->dev, asus, | |
587 | &asusbl_ops, &props); | |
588 | if (IS_ERR(bd)) { | |
589 | pr_err("Could not register asus backlight device\n"); | |
590 | asus->backlight_device = NULL; | |
591 | return PTR_ERR(bd); | |
be4ee82d | 592 | } |
71e687dc CC |
593 | |
594 | asus->backlight_device = bd; | |
595 | bd->props.brightness = asus_read_brightness(bd); | |
596 | bd->props.power = FB_BLANK_UNBLANK; | |
597 | backlight_update_status(bd); | |
be4ee82d CC |
598 | return 0; |
599 | } | |
600 | ||
601 | static void asus_backlight_exit(struct asus_laptop *asus) | |
602 | { | |
603 | if (asus->backlight_device) | |
604 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 605 | asus->backlight_device = NULL; |
be4ee82d CC |
606 | } |
607 | ||
85091b71 CC |
608 | /* |
609 | * Platform device handlers | |
610 | */ | |
611 | ||
612 | /* | |
613 | * We write our info in page, we begin at offset off and cannot write more | |
614 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
615 | * number of bytes written in page | |
616 | */ | |
617 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 618 | struct device_attribute *attr, char *page) |
85091b71 | 619 | { |
9129d14d | 620 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 621 | int len = 0; |
27663c58 | 622 | unsigned long long temp; |
be966660 | 623 | char buf[16]; /* enough for all info */ |
9a816850 CC |
624 | acpi_status rv = AE_OK; |
625 | ||
85091b71 | 626 | /* |
060cbce6 CC |
627 | * We use the easy way, we don't care of off and count, |
628 | * so we don't set eof to 1 | |
85091b71 CC |
629 | */ |
630 | ||
50a90c4d CC |
631 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
632 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
633 | /* |
634 | * The SFUN method probably allows the original driver to get the list | |
635 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
636 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
637 | * The significance of others is yet to be found. | |
638 | */ | |
50a90c4d | 639 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 640 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
641 | len += sprintf(page + len, "SFUN value : %#x\n", |
642 | (uint) temp); | |
643 | /* | |
644 | * The HWRS method return informations about the hardware. | |
645 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
646 | * The significance of others is yet to be found. | |
647 | * If we don't find the method, we assume the device are present. | |
648 | */ | |
50a90c4d | 649 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
650 | if (!ACPI_FAILURE(rv)) |
651 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 652 | (uint) temp); |
85091b71 CC |
653 | /* |
654 | * Another value for userspace: the ASYM method returns 0x02 for | |
655 | * battery low and 0x04 for battery critical, its readings tend to be | |
656 | * more accurate than those provided by _BST. | |
657 | * Note: since not all the laptops provide this method, errors are | |
658 | * silently ignored. | |
659 | */ | |
50a90c4d | 660 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 661 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 662 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 663 | (uint) temp); |
7c247645 CC |
664 | if (asus->dsdt_info) { |
665 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 666 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 667 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 668 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 669 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 670 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 671 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 672 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 673 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 674 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 675 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 676 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 677 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 678 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 679 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
680 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
681 | } | |
682 | ||
683 | return len; | |
684 | } | |
685 | ||
686 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
687 | { | |
688 | if (!count) | |
689 | return 0; | |
690 | if (count > 31) | |
691 | return -EINVAL; | |
692 | if (sscanf(buf, "%i", val) != 1) | |
693 | return -EINVAL; | |
694 | return count; | |
695 | } | |
696 | ||
17e78f62 CC |
697 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
698 | const char *buf, size_t count, | |
d99b577c | 699 | const char *method) |
4564de17 CC |
700 | { |
701 | int rv, value; | |
702 | int out = 0; | |
703 | ||
704 | rv = parse_arg(buf, count, &value); | |
705 | if (rv > 0) | |
706 | out = value ? 1 : 0; | |
707 | ||
d99b577c | 708 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 709 | return -ENODEV; |
4564de17 CC |
710 | return rv; |
711 | } | |
712 | ||
722ad971 CC |
713 | /* |
714 | * LEDD display | |
715 | */ | |
716 | static ssize_t show_ledd(struct device *dev, | |
717 | struct device_attribute *attr, char *buf) | |
718 | { | |
9129d14d CC |
719 | struct asus_laptop *asus = dev_get_drvdata(dev); |
720 | ||
50a90c4d | 721 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
722 | } |
723 | ||
724 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
725 | const char *buf, size_t count) | |
726 | { | |
9129d14d | 727 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
728 | int rv, value; |
729 | ||
730 | rv = parse_arg(buf, count, &value); | |
731 | if (rv > 0) { | |
6a984a06 | 732 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) { |
2fcc23da | 733 | pr_warning("LED display write failed\n"); |
6a984a06 AL |
734 | return -ENODEV; |
735 | } | |
736 | asus->ledd_status = (u32) value; | |
722ad971 CC |
737 | } |
738 | return rv; | |
739 | } | |
740 | ||
aa9df930 CC |
741 | /* |
742 | * Wireless | |
743 | */ | |
744 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
745 | { | |
746 | unsigned long long status; | |
747 | acpi_status rv = AE_OK; | |
748 | ||
749 | if (!asus->have_rsts) | |
750 | return (asus->wireless_status & mask) ? 1 : 0; | |
751 | ||
d99b577c CC |
752 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
753 | NULL, &status); | |
aa9df930 CC |
754 | if (ACPI_FAILURE(rv)) { |
755 | pr_warning("Error reading Wireless status\n"); | |
756 | return -EINVAL; | |
757 | } | |
758 | return !!(status & mask); | |
759 | } | |
760 | ||
4564de17 CC |
761 | /* |
762 | * WLAN | |
763 | */ | |
e5593bf1 CC |
764 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
765 | { | |
766 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
767 | pr_warning("Error setting wlan status to %d", status); | |
768 | return -EIO; | |
769 | } | |
770 | return 0; | |
771 | } | |
772 | ||
4564de17 CC |
773 | static ssize_t show_wlan(struct device *dev, |
774 | struct device_attribute *attr, char *buf) | |
775 | { | |
9129d14d CC |
776 | struct asus_laptop *asus = dev_get_drvdata(dev); |
777 | ||
17e78f62 | 778 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
779 | } |
780 | ||
781 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
782 | const char *buf, size_t count) | |
783 | { | |
9129d14d CC |
784 | struct asus_laptop *asus = dev_get_drvdata(dev); |
785 | ||
d99b577c | 786 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
787 | } |
788 | ||
789 | /* | |
790 | * Bluetooth | |
791 | */ | |
e5593bf1 CC |
792 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
793 | { | |
794 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
795 | pr_warning("Error setting bluetooth status to %d", status); | |
796 | return -EIO; | |
797 | } | |
798 | return 0; | |
799 | } | |
800 | ||
4564de17 CC |
801 | static ssize_t show_bluetooth(struct device *dev, |
802 | struct device_attribute *attr, char *buf) | |
803 | { | |
9129d14d CC |
804 | struct asus_laptop *asus = dev_get_drvdata(dev); |
805 | ||
17e78f62 | 806 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
807 | } |
808 | ||
8def05fa LB |
809 | static ssize_t store_bluetooth(struct device *dev, |
810 | struct device_attribute *attr, const char *buf, | |
811 | size_t count) | |
4564de17 | 812 | { |
9129d14d CC |
813 | struct asus_laptop *asus = dev_get_drvdata(dev); |
814 | ||
d99b577c | 815 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
816 | } |
817 | ||
ba1ff5be CC |
818 | /* |
819 | * Wimax | |
820 | */ | |
821 | static int asus_wimax_set(struct asus_laptop *asus, int status) | |
822 | { | |
823 | if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) { | |
824 | pr_warning("Error setting wimax status to %d", status); | |
825 | return -EIO; | |
826 | } | |
827 | return 0; | |
828 | } | |
829 | ||
830 | static ssize_t show_wimax(struct device *dev, | |
831 | struct device_attribute *attr, char *buf) | |
832 | { | |
833 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
834 | ||
835 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS)); | |
836 | } | |
837 | ||
838 | static ssize_t store_wimax(struct device *dev, | |
839 | struct device_attribute *attr, const char *buf, | |
840 | size_t count) | |
841 | { | |
842 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
843 | ||
844 | return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX); | |
845 | } | |
846 | ||
847 | /* | |
848 | * Wwan | |
849 | */ | |
850 | static int asus_wwan_set(struct asus_laptop *asus, int status) | |
851 | { | |
852 | if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) { | |
853 | pr_warning("Error setting wwan status to %d", status); | |
854 | return -EIO; | |
855 | } | |
856 | return 0; | |
857 | } | |
858 | ||
859 | static ssize_t show_wwan(struct device *dev, | |
860 | struct device_attribute *attr, char *buf) | |
861 | { | |
862 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
863 | ||
864 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS)); | |
865 | } | |
866 | ||
867 | static ssize_t store_wwan(struct device *dev, | |
868 | struct device_attribute *attr, const char *buf, | |
869 | size_t count) | |
870 | { | |
871 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
872 | ||
873 | return sysfs_acpi_set(asus, buf, count, METHOD_WWAN); | |
874 | } | |
875 | ||
78127b4a CC |
876 | /* |
877 | * Display | |
878 | */ | |
4d441513 | 879 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
880 | { |
881 | /* no sanity check needed for now */ | |
d99b577c | 882 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 883 | pr_warning("Error setting display\n"); |
78127b4a CC |
884 | return; |
885 | } | |
886 | ||
78127b4a CC |
887 | /* |
888 | * Experimental support for display switching. As of now: 1 should activate | |
889 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
890 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
891 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
892 | * for more info. | |
893 | */ | |
894 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
895 | const char *buf, size_t count) | |
896 | { | |
9129d14d | 897 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
898 | int rv, value; |
899 | ||
900 | rv = parse_arg(buf, count, &value); | |
901 | if (rv > 0) | |
4d441513 | 902 | asus_set_display(asus, value); |
78127b4a CC |
903 | return rv; |
904 | } | |
905 | ||
8b857353 CC |
906 | /* |
907 | * Light Sens | |
908 | */ | |
4d441513 | 909 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 910 | { |
d99b577c | 911 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 912 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 913 | asus->light_switch = value; |
8b857353 CC |
914 | } |
915 | ||
916 | static ssize_t show_lssw(struct device *dev, | |
917 | struct device_attribute *attr, char *buf) | |
918 | { | |
9129d14d CC |
919 | struct asus_laptop *asus = dev_get_drvdata(dev); |
920 | ||
50a90c4d | 921 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
922 | } |
923 | ||
924 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
925 | const char *buf, size_t count) | |
926 | { | |
9129d14d | 927 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
928 | int rv, value; |
929 | ||
930 | rv = parse_arg(buf, count, &value); | |
931 | if (rv > 0) | |
4d441513 | 932 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
933 | |
934 | return rv; | |
935 | } | |
936 | ||
4d441513 | 937 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 938 | { |
d99b577c | 939 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 940 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 941 | asus->light_level = value; |
8b857353 CC |
942 | } |
943 | ||
944 | static ssize_t show_lslvl(struct device *dev, | |
945 | struct device_attribute *attr, char *buf) | |
946 | { | |
9129d14d CC |
947 | struct asus_laptop *asus = dev_get_drvdata(dev); |
948 | ||
50a90c4d | 949 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
950 | } |
951 | ||
952 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
953 | const char *buf, size_t count) | |
954 | { | |
9129d14d | 955 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
956 | int rv, value; |
957 | ||
958 | rv = parse_arg(buf, count, &value); | |
959 | if (rv > 0) { | |
960 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
961 | /* 0 <= value <= 15 */ | |
4d441513 | 962 | asus_als_level(asus, value); |
8b857353 CC |
963 | } |
964 | ||
965 | return rv; | |
966 | } | |
967 | ||
e539c2f6 CC |
968 | /* |
969 | * GPS | |
970 | */ | |
6358bf2c CC |
971 | static int asus_gps_status(struct asus_laptop *asus) |
972 | { | |
973 | unsigned long long status; | |
974 | acpi_status rv = AE_OK; | |
975 | ||
d99b577c CC |
976 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
977 | NULL, &status); | |
6358bf2c CC |
978 | if (ACPI_FAILURE(rv)) { |
979 | pr_warning("Error reading GPS status\n"); | |
980 | return -ENODEV; | |
981 | } | |
982 | return !!status; | |
983 | } | |
984 | ||
985 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
986 | { | |
d99b577c | 987 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 988 | |
d99b577c | 989 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
990 | return -ENODEV; |
991 | return 0; | |
992 | } | |
993 | ||
e539c2f6 CC |
994 | static ssize_t show_gps(struct device *dev, |
995 | struct device_attribute *attr, char *buf) | |
996 | { | |
9129d14d CC |
997 | struct asus_laptop *asus = dev_get_drvdata(dev); |
998 | ||
6358bf2c | 999 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1000 | } |
1001 | ||
1002 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1003 | const char *buf, size_t count) | |
1004 | { | |
060cbce6 | 1005 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1006 | int rv, value; |
1007 | int ret; | |
9129d14d | 1008 | |
6358bf2c CC |
1009 | rv = parse_arg(buf, count, &value); |
1010 | if (rv <= 0) | |
1011 | return -EINVAL; | |
1012 | ret = asus_gps_switch(asus, !!value); | |
1013 | if (ret) | |
1014 | return ret; | |
18e1311e | 1015 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1016 | return rv; |
e539c2f6 CC |
1017 | } |
1018 | ||
18e1311e CC |
1019 | /* |
1020 | * rfkill | |
1021 | */ | |
1022 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1023 | { | |
23f45c3a | 1024 | struct asus_laptop *asus = data; |
18e1311e | 1025 | |
23f45c3a | 1026 | return asus_gps_switch(asus, !blocked); |
18e1311e CC |
1027 | } |
1028 | ||
1029 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1030 | .set_block = asus_gps_rfkill_set, | |
1031 | }; | |
1032 | ||
1033 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1034 | { | |
1035 | if (asus->gps_rfkill) { | |
1036 | rfkill_unregister(asus->gps_rfkill); | |
1037 | rfkill_destroy(asus->gps_rfkill); | |
1038 | asus->gps_rfkill = NULL; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1043 | { | |
1044 | int result; | |
1045 | ||
1046 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1047 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1048 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1049 | return 0; | |
1050 | ||
1051 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1052 | RFKILL_TYPE_GPS, | |
23f45c3a | 1053 | &asus_gps_rfkill_ops, asus); |
18e1311e CC |
1054 | if (!asus->gps_rfkill) |
1055 | return -EINVAL; | |
1056 | ||
1057 | result = rfkill_register(asus->gps_rfkill); | |
1058 | if (result) { | |
1059 | rfkill_destroy(asus->gps_rfkill); | |
1060 | asus->gps_rfkill = NULL; | |
1061 | } | |
1062 | ||
1063 | return result; | |
1064 | } | |
1065 | ||
034ce90a | 1066 | /* |
be4ee82d | 1067 | * Input device (i.e. hotkeys) |
034ce90a | 1068 | */ |
be4ee82d CC |
1069 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1070 | { | |
66a71dd1 CC |
1071 | if (asus->inputdev) |
1072 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1073 | } |
1074 | ||
1075 | static int asus_input_init(struct asus_laptop *asus) | |
1076 | { | |
66a71dd1 CC |
1077 | struct input_dev *input; |
1078 | int error; | |
be4ee82d | 1079 | |
66a71dd1 CC |
1080 | input = input_allocate_device(); |
1081 | if (!input) { | |
be4ee82d | 1082 | pr_info("Unable to allocate input device\n"); |
45036ae1 | 1083 | return -ENOMEM; |
be4ee82d | 1084 | } |
66a71dd1 CC |
1085 | input->name = "Asus Laptop extra buttons"; |
1086 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1087 | input->id.bustype = BUS_HOST; | |
1088 | input->dev.parent = &asus->platform_device->dev; | |
66a71dd1 CC |
1089 | |
1090 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1091 | if (error) { | |
1092 | pr_err("Unable to setup input device keymap\n"); | |
45036ae1 | 1093 | goto err_free_dev; |
be4ee82d | 1094 | } |
66a71dd1 CC |
1095 | error = input_register_device(input); |
1096 | if (error) { | |
be4ee82d | 1097 | pr_info("Unable to register input device\n"); |
45036ae1 | 1098 | goto err_free_keymap; |
be4ee82d | 1099 | } |
66a71dd1 CC |
1100 | |
1101 | asus->inputdev = input; | |
1102 | return 0; | |
1103 | ||
45036ae1 | 1104 | err_free_keymap: |
66a71dd1 | 1105 | sparse_keymap_free(input); |
45036ae1 | 1106 | err_free_dev: |
66a71dd1 CC |
1107 | input_free_device(input); |
1108 | return error; | |
be4ee82d CC |
1109 | } |
1110 | ||
1111 | static void asus_input_exit(struct asus_laptop *asus) | |
1112 | { | |
66a71dd1 CC |
1113 | if (asus->inputdev) { |
1114 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1115 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1116 | } |
71e687dc | 1117 | asus->inputdev = NULL; |
be4ee82d CC |
1118 | } |
1119 | ||
1120 | /* | |
1121 | * ACPI driver | |
1122 | */ | |
600ad520 | 1123 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1124 | { |
9129d14d | 1125 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1126 | u16 count; |
034ce90a | 1127 | |
619d8b11 | 1128 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1129 | count = asus->event_count[event % 128]++; |
1130 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1131 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1132 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1133 | count); |
85091b71 | 1134 | |
a539df5e CC |
1135 | /* Brightness events are special */ |
1136 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1137 | ||
1138 | /* Ignore them completely if the acpi video driver is used */ | |
1139 | if (asus->backlight_device != NULL) { | |
1140 | /* Update the backlight device. */ | |
1141 | asus_backlight_notify(asus); | |
1142 | } | |
1143 | return ; | |
1144 | } | |
be4ee82d | 1145 | asus_input_notify(asus, event); |
85091b71 CC |
1146 | } |
1147 | ||
2a1fd64c CC |
1148 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1149 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
ac9b1e5b DT |
1150 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, |
1151 | show_bluetooth, store_bluetooth); | |
ba1ff5be CC |
1152 | static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax); |
1153 | static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan); | |
3b81cf9d | 1154 | static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp); |
2a1fd64c CC |
1155 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); |
1156 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1157 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1158 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1159 | ||
ac9b1e5b DT |
1160 | static struct attribute *asus_attributes[] = { |
1161 | &dev_attr_infos.attr, | |
1162 | &dev_attr_wlan.attr, | |
1163 | &dev_attr_bluetooth.attr, | |
ba1ff5be CC |
1164 | &dev_attr_wimax.attr, |
1165 | &dev_attr_wwan.attr, | |
ac9b1e5b DT |
1166 | &dev_attr_display.attr, |
1167 | &dev_attr_ledd.attr, | |
1168 | &dev_attr_ls_level.attr, | |
1169 | &dev_attr_ls_switch.attr, | |
1170 | &dev_attr_gps.attr, | |
1171 | NULL | |
1172 | }; | |
2a1fd64c | 1173 | |
ac9b1e5b DT |
1174 | static mode_t asus_sysfs_is_visible(struct kobject *kobj, |
1175 | struct attribute *attr, | |
1176 | int idx) | |
2a1fd64c | 1177 | { |
ac9b1e5b DT |
1178 | struct device *dev = container_of(kobj, struct device, kobj); |
1179 | struct platform_device *pdev = to_platform_device(dev); | |
1180 | struct asus_laptop *asus = platform_get_drvdata(pdev); | |
1181 | acpi_handle handle = asus->handle; | |
1182 | bool supported; | |
1183 | ||
1184 | if (attr == &dev_attr_wlan.attr) { | |
1185 | supported = !acpi_check_handle(handle, METHOD_WLAN, NULL); | |
1186 | ||
1187 | } else if (attr == &dev_attr_bluetooth.attr) { | |
1188 | supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL); | |
1189 | ||
1190 | } else if (attr == &dev_attr_display.attr) { | |
1191 | supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL); | |
1192 | ||
ba1ff5be CC |
1193 | } else if (attr == &dev_attr_wimax.attr) { |
1194 | supported = | |
1195 | !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL); | |
1196 | ||
1197 | } else if (attr == &dev_attr_wwan.attr) { | |
1198 | supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL); | |
1199 | ||
ac9b1e5b DT |
1200 | } else if (attr == &dev_attr_ledd.attr) { |
1201 | supported = !acpi_check_handle(handle, METHOD_LEDD, NULL); | |
1202 | ||
1203 | } else if (attr == &dev_attr_ls_switch.attr || | |
1204 | attr == &dev_attr_ls_level.attr) { | |
1205 | supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) && | |
1206 | !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL); | |
1207 | ||
1208 | } else if (attr == &dev_attr_gps.attr) { | |
1209 | supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) && | |
1210 | !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) && | |
1211 | !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL); | |
1212 | } else { | |
1213 | supported = true; | |
2a1fd64c CC |
1214 | } |
1215 | ||
ac9b1e5b DT |
1216 | return supported ? attr->mode : 0; |
1217 | } | |
2a1fd64c | 1218 | |
2a1fd64c | 1219 | |
ac9b1e5b DT |
1220 | static const struct attribute_group asus_attr_group = { |
1221 | .is_visible = asus_sysfs_is_visible, | |
1222 | .attrs = asus_attributes, | |
1223 | }; | |
85091b71 | 1224 | |
9129d14d | 1225 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1226 | { |
71e687dc | 1227 | int result; |
600ad520 | 1228 | |
50a90c4d CC |
1229 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1230 | if (!asus->platform_device) | |
600ad520 | 1231 | return -ENOMEM; |
9129d14d | 1232 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1233 | |
71e687dc CC |
1234 | result = platform_device_add(asus->platform_device); |
1235 | if (result) | |
600ad520 CC |
1236 | goto fail_platform_device; |
1237 | ||
ac9b1e5b DT |
1238 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
1239 | &asus_attr_group); | |
71e687dc | 1240 | if (result) |
600ad520 | 1241 | goto fail_sysfs; |
ac9b1e5b | 1242 | |
600ad520 CC |
1243 | return 0; |
1244 | ||
1245 | fail_sysfs: | |
50a90c4d | 1246 | platform_device_del(asus->platform_device); |
600ad520 | 1247 | fail_platform_device: |
50a90c4d | 1248 | platform_device_put(asus->platform_device); |
71e687dc | 1249 | return result; |
600ad520 CC |
1250 | } |
1251 | ||
9129d14d | 1252 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1253 | { |
ac9b1e5b | 1254 | sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group); |
50a90c4d | 1255 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1256 | } |
1257 | ||
1258 | static struct platform_driver platform_driver = { | |
8def05fa | 1259 | .driver = { |
9129d14d CC |
1260 | .name = ASUS_LAPTOP_FILE, |
1261 | .owner = THIS_MODULE, | |
1262 | } | |
85091b71 CC |
1263 | }; |
1264 | ||
85091b71 | 1265 | /* |
50a90c4d CC |
1266 | * This function is used to initialize the context with right values. In this |
1267 | * method, we can make all the detection we want, and modify the asus_laptop | |
1268 | * struct | |
85091b71 | 1269 | */ |
7c247645 | 1270 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1271 | { |
1272 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1273 | union acpi_object *model = NULL; |
27663c58 | 1274 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1275 | char *string = NULL; |
1276 | acpi_status status; | |
1277 | ||
1278 | /* | |
1279 | * Get DSDT headers early enough to allow for differentiating between | |
1280 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1281 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1282 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1283 | * HID), this bit will be moved. |
85091b71 | 1284 | */ |
7c247645 | 1285 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1286 | if (ACPI_FAILURE(status)) |
2fcc23da | 1287 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1288 | |
1289 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1290 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1291 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1292 | return -ENODEV; |
1293 | } | |
1294 | ||
1295 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1296 | status = |
50a90c4d | 1297 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1298 | if (ACPI_FAILURE(status)) |
2fcc23da | 1299 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1300 | else if (bsts_result) |
2fcc23da | 1301 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1302 | (uint) bsts_result); |
85091b71 | 1303 | |
185e5af9 | 1304 | /* This too ... */ |
e5593bf1 CC |
1305 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1306 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1307 | /* |
1308 | * Try to match the object returned by INIT to the specific model. | |
1309 | * Handle every possible object (or the lack of thereof) the DSDT | |
1310 | * writers might throw at us. When in trouble, we pass NULL to | |
1311 | * asus_model_match() and try something completely different. | |
1312 | */ | |
1313 | if (buffer.pointer) { | |
1314 | model = buffer.pointer; | |
1315 | switch (model->type) { | |
1316 | case ACPI_TYPE_STRING: | |
1317 | string = model->string.pointer; | |
1318 | break; | |
1319 | case ACPI_TYPE_BUFFER: | |
1320 | string = model->buffer.pointer; | |
1321 | break; | |
1322 | default: | |
1323 | string = ""; | |
1324 | break; | |
1325 | } | |
1326 | } | |
50a90c4d | 1327 | asus->name = kstrdup(string, GFP_KERNEL); |
d8eca110 AL |
1328 | if (!asus->name) { |
1329 | kfree(buffer.pointer); | |
85091b71 | 1330 | return -ENOMEM; |
d8eca110 | 1331 | } |
85091b71 | 1332 | |
8def05fa | 1333 | if (*string) |
2fcc23da | 1334 | pr_notice(" %s model detected\n", string); |
85091b71 | 1335 | |
4564de17 CC |
1336 | /* |
1337 | * The HWRS method return informations about the hardware. | |
ba1ff5be CC |
1338 | * 0x80 bit is for WLAN, 0x100 for Bluetooth, |
1339 | * 0x40 for WWAN, 0x10 for WIMAX. | |
4564de17 | 1340 | * The significance of others is yet to be found. |
4564de17 | 1341 | */ |
9a816850 | 1342 | status = |
50a90c4d | 1343 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1344 | if (!ACPI_FAILURE(status)) |
1345 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1346 | |
d99b577c | 1347 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1348 | asus->have_rsts = true; |
4564de17 | 1349 | |
85091b71 CC |
1350 | kfree(model); |
1351 | ||
1352 | return AE_OK; | |
1353 | } | |
1354 | ||
9129d14d | 1355 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1356 | { |
600ad520 | 1357 | int result = 0; |
85091b71 | 1358 | |
50a90c4d | 1359 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1360 | if (result) |
85091b71 | 1361 | return result; |
50a90c4d | 1362 | if (!asus->device->status.present) { |
600ad520 | 1363 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1364 | return -ENODEV; |
1365 | } | |
1366 | ||
7c247645 | 1367 | result = asus_laptop_get_info(asus); |
034ce90a | 1368 | if (result) |
600ad520 | 1369 | return result; |
034ce90a | 1370 | |
600ad520 | 1371 | /* WLED and BLED are on by default */ |
be4ee82d | 1372 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1373 | asus_bluetooth_set(asus, !!bluetooth_status); |
1374 | ||
d0930a2d CC |
1375 | if (wlan_status >= 0) |
1376 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1377 | |
ba1ff5be CC |
1378 | if (wimax_status >= 0) |
1379 | asus_wimax_set(asus, !!wimax_status); | |
1380 | ||
1381 | if (wwan_status >= 0) | |
1382 | asus_wwan_set(asus, !!wwan_status); | |
1383 | ||
600ad520 | 1384 | /* Keyboard Backlight is on by default */ |
d99b577c | 1385 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1386 | asus_kled_set(asus, 1); |
600ad520 CC |
1387 | |
1388 | /* LED display is off by default */ | |
50a90c4d | 1389 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1390 | |
1391 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1392 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1393 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1394 | |
d99b577c CC |
1395 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1396 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1397 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1398 | asus_als_level(asus, asus->light_level); |
d99b577c | 1399 | } |
600ad520 | 1400 | |
600ad520 CC |
1401 | return result; |
1402 | } | |
1403 | ||
af96f877 CC |
1404 | static void __devinit asus_dmi_check(void) |
1405 | { | |
1406 | const char *model; | |
1407 | ||
1408 | model = dmi_get_system_info(DMI_PRODUCT_NAME); | |
1409 | if (!model) | |
1410 | return; | |
1411 | ||
1412 | /* On L1400B WLED control the sound card, don't mess with it ... */ | |
1413 | if (strncmp(model, "L1400B", 6) == 0) { | |
1414 | wlan_status = -1; | |
1415 | } | |
1416 | } | |
1417 | ||
71e687dc CC |
1418 | static bool asus_device_present; |
1419 | ||
600ad520 CC |
1420 | static int __devinit asus_acpi_add(struct acpi_device *device) |
1421 | { | |
9129d14d | 1422 | struct asus_laptop *asus; |
600ad520 CC |
1423 | int result; |
1424 | ||
1425 | pr_notice("Asus Laptop Support version %s\n", | |
1426 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1427 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1428 | if (!asus) | |
600ad520 | 1429 | return -ENOMEM; |
50a90c4d CC |
1430 | asus->handle = device->handle; |
1431 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1432 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1433 | device->driver_data = asus; | |
1434 | asus->device = device; | |
600ad520 | 1435 | |
af96f877 CC |
1436 | asus_dmi_check(); |
1437 | ||
9129d14d | 1438 | result = asus_acpi_init(asus); |
8def05fa | 1439 | if (result) |
600ad520 | 1440 | goto fail_platform; |
85091b71 | 1441 | |
600ad520 CC |
1442 | /* |
1443 | * Register the platform device first. It is used as a parent for the | |
1444 | * sub-devices below. | |
1445 | */ | |
9129d14d | 1446 | result = asus_platform_init(asus); |
116bf2e0 | 1447 | if (result) |
600ad520 | 1448 | goto fail_platform; |
116bf2e0 CC |
1449 | |
1450 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1451 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1452 | if (result) |
1453 | goto fail_backlight; | |
1454 | } else | |
600ad520 | 1455 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1456 | |
9129d14d | 1457 | result = asus_input_init(asus); |
600ad520 CC |
1458 | if (result) |
1459 | goto fail_input; | |
1460 | ||
9129d14d | 1461 | result = asus_led_init(asus); |
600ad520 CC |
1462 | if (result) |
1463 | goto fail_led; | |
1464 | ||
18e1311e CC |
1465 | result = asus_rfkill_init(asus); |
1466 | if (result) | |
1467 | goto fail_rfkill; | |
1468 | ||
600ad520 | 1469 | asus_device_present = true; |
8def05fa | 1470 | return 0; |
85091b71 | 1471 | |
18e1311e CC |
1472 | fail_rfkill: |
1473 | asus_led_exit(asus); | |
600ad520 | 1474 | fail_led: |
9129d14d | 1475 | asus_input_exit(asus); |
600ad520 | 1476 | fail_input: |
9129d14d | 1477 | asus_backlight_exit(asus); |
116bf2e0 | 1478 | fail_backlight: |
9129d14d | 1479 | asus_platform_exit(asus); |
600ad520 | 1480 | fail_platform: |
50a90c4d CC |
1481 | kfree(asus->name); |
1482 | kfree(asus); | |
116bf2e0 | 1483 | |
600ad520 CC |
1484 | return result; |
1485 | } | |
116bf2e0 | 1486 | |
600ad520 CC |
1487 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1488 | { | |
9129d14d CC |
1489 | struct asus_laptop *asus = acpi_driver_data(device); |
1490 | ||
1491 | asus_backlight_exit(asus); | |
18e1311e | 1492 | asus_rfkill_exit(asus); |
9129d14d CC |
1493 | asus_led_exit(asus); |
1494 | asus_input_exit(asus); | |
1495 | asus_platform_exit(asus); | |
600ad520 | 1496 | |
50a90c4d CC |
1497 | kfree(asus->name); |
1498 | kfree(asus); | |
600ad520 CC |
1499 | return 0; |
1500 | } | |
1501 | ||
1502 | static const struct acpi_device_id asus_device_ids[] = { | |
1503 | {"ATK0100", 0}, | |
1504 | {"ATK0101", 0}, | |
1505 | {"", 0}, | |
1506 | }; | |
1507 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1508 | |
600ad520 | 1509 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1510 | .name = ASUS_LAPTOP_NAME, |
1511 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1512 | .owner = THIS_MODULE, |
1513 | .ids = asus_device_ids, | |
1514 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1515 | .ops = { | |
1516 | .add = asus_acpi_add, | |
1517 | .remove = asus_acpi_remove, | |
1518 | .notify = asus_acpi_notify, | |
1519 | }, | |
1520 | }; | |
85091b71 | 1521 | |
600ad520 CC |
1522 | static int __init asus_laptop_init(void) |
1523 | { | |
1524 | int result; | |
85091b71 | 1525 | |
600ad520 CC |
1526 | result = platform_driver_register(&platform_driver); |
1527 | if (result < 0) | |
1528 | return result; | |
034ce90a | 1529 | |
600ad520 CC |
1530 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1531 | if (result < 0) | |
1532 | goto fail_acpi_driver; | |
1533 | if (!asus_device_present) { | |
1534 | result = -ENODEV; | |
1535 | goto fail_no_device; | |
1536 | } | |
1537 | return 0; | |
85091b71 | 1538 | |
600ad520 CC |
1539 | fail_no_device: |
1540 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1541 | fail_acpi_driver: | |
1542 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1543 | return result; |
1544 | } | |
1545 | ||
600ad520 CC |
1546 | static void __exit asus_laptop_exit(void) |
1547 | { | |
1548 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1549 | platform_driver_unregister(&platform_driver); | |
1550 | } | |
1551 | ||
85091b71 CC |
1552 | module_init(asus_laptop_init); |
1553 | module_exit(asus_laptop_exit); |