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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: | |
fddbfed5 CC |
73 | * Bit | Bluetooth | WLAN |
74 | * 0 | Hardware | Hardware | |
75 | * 1 | Hardware | Software | |
76 | * 4 | Software | Software | |
185e5af9 CC |
77 | */ |
78 | static uint wapf = 1; | |
c26d85cb | 79 | module_param(wapf, uint, 0444); |
185e5af9 CC |
80 | MODULE_PARM_DESC(wapf, "WAPF value"); |
81 | ||
668f4a03 DC |
82 | static int wlan_status = 1; |
83 | static int bluetooth_status = 1; | |
ba1ff5be CC |
84 | static int wimax_status = -1; |
85 | static int wwan_status = -1; | |
0e875f49 | 86 | |
c26d85cb | 87 | module_param(wlan_status, int, 0444); |
d0930a2d | 88 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " |
0e875f49 CC |
89 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
90 | "default is 1"); | |
91 | ||
c26d85cb | 92 | module_param(bluetooth_status, int, 0444); |
0e875f49 CC |
93 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " |
94 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
95 | "default is 1"); | |
96 | ||
ba1ff5be CC |
97 | module_param(wimax_status, int, 0444); |
98 | MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot " | |
99 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
100 | "default is 1"); | |
101 | ||
102 | module_param(wwan_status, int, 0444); | |
103 | MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " | |
104 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
105 | "default is 1"); | |
106 | ||
be4ee82d CC |
107 | /* |
108 | * Some events we use, same for all Asus | |
109 | */ | |
060cbce6 CC |
110 | #define ATKD_BR_UP 0x10 /* (event & ~ATKD_BR_UP) = brightness level */ |
111 | #define ATKD_BR_DOWN 0x20 /* (event & ~ATKD_BR_DOWN) = britghness level */ | |
a539df5e | 112 | #define ATKD_BR_MIN ATKD_BR_UP |
060cbce6 | 113 | #define ATKD_BR_MAX (ATKD_BR_DOWN | 0xF) /* 0x2f */ |
be4ee82d CC |
114 | #define ATKD_LCD_ON 0x33 |
115 | #define ATKD_LCD_OFF 0x34 | |
116 | ||
117 | /* | |
118 | * Known bits returned by \_SB.ATKD.HWRS | |
119 | */ | |
120 | #define WL_HWRS 0x80 | |
121 | #define BT_HWRS 0x100 | |
122 | ||
123 | /* | |
124 | * Flags for hotk status | |
125 | * WL_ON and BT_ON are also used for wireless_status() | |
126 | */ | |
17e78f62 CC |
127 | #define WL_RSTS 0x01 /* internal Wifi */ |
128 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
ba1ff5be CC |
129 | #define WM_RSTS 0x08 /* internal wimax */ |
130 | #define WW_RSTS 0x20 /* internal wwan */ | |
be4ee82d | 131 | |
be18cdab | 132 | /* LED */ |
d99b577c CC |
133 | #define METHOD_MLED "MLED" |
134 | #define METHOD_TLED "TLED" | |
135 | #define METHOD_RLED "RLED" /* W1JC */ | |
136 | #define METHOD_PLED "PLED" /* A7J */ | |
137 | #define METHOD_GLED "GLED" /* G1, G2 (probably) */ | |
be18cdab | 138 | |
722ad971 | 139 | /* LEDD */ |
d99b577c | 140 | #define METHOD_LEDD "SLCM" |
722ad971 | 141 | |
be966660 CC |
142 | /* |
143 | * Bluetooth and WLAN | |
4564de17 CC |
144 | * WLED and BLED are not handled like other XLED, because in some dsdt |
145 | * they also control the WLAN/Bluetooth device. | |
146 | */ | |
d99b577c CC |
147 | #define METHOD_WLAN "WLED" |
148 | #define METHOD_BLUETOOTH "BLED" | |
ba1ff5be CC |
149 | |
150 | /* WWAN and WIMAX */ | |
151 | #define METHOD_WWAN "GSMC" | |
152 | #define METHOD_WIMAX "WMXC" | |
153 | ||
d99b577c | 154 | #define METHOD_WL_STATUS "RSTS" |
4564de17 | 155 | |
6b7091e7 | 156 | /* Brightness */ |
d99b577c CC |
157 | #define METHOD_BRIGHTNESS_SET "SPLV" |
158 | #define METHOD_BRIGHTNESS_GET "GPLV" | |
6b7091e7 | 159 | |
78127b4a | 160 | /* Display */ |
d99b577c | 161 | #define METHOD_SWITCH_DISPLAY "SDSP" |
060cbce6 | 162 | |
d99b577c CC |
163 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
164 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ | |
8b857353 | 165 | |
e539c2f6 CC |
166 | /* GPS */ |
167 | /* R2H use different handle for GPS on/off */ | |
d99b577c CC |
168 | #define METHOD_GPS_ON "SDON" |
169 | #define METHOD_GPS_OFF "SDOF" | |
170 | #define METHOD_GPS_STATUS "GPST" | |
e539c2f6 | 171 | |
b7d3fbc2 | 172 | /* Keyboard light */ |
d99b577c CC |
173 | #define METHOD_KBD_LIGHT_SET "SLKB" |
174 | #define METHOD_KBD_LIGHT_GET "GLKB" | |
b7d3fbc2 | 175 | |
9129d14d CC |
176 | /* |
177 | * Define a specific led structure to keep the main structure clean | |
178 | */ | |
aee0afb8 CC |
179 | struct asus_led { |
180 | int wk; | |
181 | struct work_struct work; | |
182 | struct led_classdev led; | |
183 | struct asus_laptop *asus; | |
184 | const char *method; | |
9129d14d CC |
185 | }; |
186 | ||
85091b71 CC |
187 | /* |
188 | * This is the main structure, we can use it to store anything interesting | |
189 | * about the hotk device | |
190 | */ | |
50a90c4d | 191 | struct asus_laptop { |
be966660 | 192 | char *name; /* laptop name */ |
600ad520 | 193 | |
7c247645 | 194 | struct acpi_table_header *dsdt_info; |
600ad520 | 195 | struct platform_device *platform_device; |
7c247645 CC |
196 | struct acpi_device *device; /* the device we are in */ |
197 | struct backlight_device *backlight_device; | |
9129d14d | 198 | |
7c247645 | 199 | struct input_dev *inputdev; |
9129d14d CC |
200 | struct key_entry *keymap; |
201 | ||
aee0afb8 CC |
202 | struct asus_led mled; |
203 | struct asus_led tled; | |
204 | struct asus_led rled; | |
205 | struct asus_led pled; | |
206 | struct asus_led gled; | |
207 | struct asus_led kled; | |
208 | struct workqueue_struct *led_workqueue; | |
7c247645 | 209 | |
aa9df930 CC |
210 | int wireless_status; |
211 | bool have_rsts; | |
212 | ||
18e1311e CC |
213 | struct rfkill *gps_rfkill; |
214 | ||
be966660 | 215 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
216 | u32 ledd_status; /* status of the LED display */ |
217 | u8 light_level; /* light sensor level */ | |
218 | u8 light_switch; /* light sensor switch value */ | |
219 | u16 event_count[128]; /* count for each event TODO make this better */ | |
85091b71 CC |
220 | }; |
221 | ||
9129d14d | 222 | static const struct key_entry asus_keymap[] = { |
a539df5e | 223 | /* Lenovo SL Specific keycodes */ |
66a71dd1 CC |
224 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
225 | {KE_KEY, 0x05, { KEY_WLAN } }, | |
226 | {KE_KEY, 0x08, { KEY_F13 } }, | |
227 | {KE_KEY, 0x17, { KEY_ZOOM } }, | |
228 | {KE_KEY, 0x1f, { KEY_BATTERY } }, | |
a539df5e | 229 | /* End of Lenovo SL Specific keycodes */ |
66a71dd1 CC |
230 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, |
231 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, | |
232 | {KE_KEY, 0x32, { KEY_MUTE } }, | |
233 | {KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } }, | |
234 | {KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } }, | |
235 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, | |
236 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, | |
237 | {KE_KEY, 0x43, { KEY_STOPCD } }, | |
238 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, | |
239 | {KE_KEY, 0x4c, { KEY_MEDIA } }, | |
240 | {KE_KEY, 0x50, { KEY_EMAIL } }, | |
241 | {KE_KEY, 0x51, { KEY_WWW } }, | |
242 | {KE_KEY, 0x55, { KEY_CALC } }, | |
243 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ | |
244 | {KE_KEY, 0x5D, { KEY_WLAN } }, | |
245 | {KE_KEY, 0x5E, { KEY_WLAN } }, | |
246 | {KE_KEY, 0x5F, { KEY_WLAN } }, | |
247 | {KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, | |
248 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, | |
249 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, | |
250 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, | |
251 | {KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */ | |
7f607d71 CC |
252 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, |
253 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, | |
66a71dd1 CC |
254 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
255 | {KE_KEY, 0x88, { KEY_WLAN } }, | |
256 | {KE_KEY, 0x8A, { KEY_PROG1 } }, | |
257 | {KE_KEY, 0x95, { KEY_MEDIA } }, | |
258 | {KE_KEY, 0x99, { KEY_PHONE } }, | |
259 | {KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, | |
260 | {KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, | |
b58baecd | 261 | {KE_KEY, 0xb5, { KEY_CALC } }, |
034ce90a CC |
262 | {KE_END, 0}, |
263 | }; | |
264 | ||
66a71dd1 | 265 | |
85091b71 CC |
266 | /* |
267 | * This function evaluates an ACPI method, given an int as parameter, the | |
268 | * method is searched within the scope of the handle, can be NULL. The output | |
269 | * of the method is written is output, which can also be NULL | |
270 | * | |
f8d1c94b | 271 | * returns 0 if write is successful, -1 else. |
85091b71 | 272 | */ |
d8c67323 CC |
273 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
274 | struct acpi_buffer *output) | |
85091b71 | 275 | { |
be966660 CC |
276 | struct acpi_object_list params; /* list of input parameters (an int) */ |
277 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
278 | acpi_status status; |
279 | ||
f8d1c94b | 280 | if (!handle) |
9fb866f3 | 281 | return -1; |
f8d1c94b | 282 | |
85091b71 CC |
283 | params.count = 1; |
284 | params.pointer = &in_obj; | |
285 | in_obj.type = ACPI_TYPE_INTEGER; | |
286 | in_obj.integer.value = val; | |
287 | ||
288 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
289 | if (status == AE_OK) |
290 | return 0; | |
291 | else | |
292 | return -1; | |
85091b71 CC |
293 | } |
294 | ||
d8c67323 CC |
295 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
296 | { | |
297 | return write_acpi_int_ret(handle, method, val, NULL); | |
298 | } | |
299 | ||
d99b577c CC |
300 | static int acpi_check_handle(acpi_handle handle, const char *method, |
301 | acpi_handle *ret) | |
302 | { | |
303 | acpi_status status; | |
304 | ||
305 | if (method == NULL) | |
306 | return -ENODEV; | |
307 | ||
308 | if (ret) | |
309 | status = acpi_get_handle(handle, (char *)method, | |
310 | ret); | |
311 | else { | |
312 | acpi_handle dummy; | |
313 | ||
314 | status = acpi_get_handle(handle, (char *)method, | |
315 | &dummy); | |
316 | } | |
317 | ||
318 | if (status != AE_OK) { | |
319 | if (ret) | |
5ad77dcf | 320 | pr_warn("Error finding %s\n", method); |
d99b577c CC |
321 | return -ENODEV; |
322 | } | |
323 | return 0; | |
324 | } | |
325 | ||
17e78f62 | 326 | /* Generic LED function */ |
aee0afb8 | 327 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
17e78f62 | 328 | int value) |
be18cdab | 329 | { |
d99b577c | 330 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 331 | value = !value; |
d99b577c | 332 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
333 | value = !value + 1; |
334 | else | |
335 | value = !!value; | |
be18cdab | 336 | |
e5593bf1 | 337 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
338 | } |
339 | ||
be4ee82d CC |
340 | /* |
341 | * LEDs | |
342 | */ | |
be18cdab | 343 | /* /sys/class/led handlers */ |
aee0afb8 CC |
344 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
345 | enum led_brightness value) | |
346 | { | |
347 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); | |
348 | struct asus_laptop *asus = led->asus; | |
349 | ||
350 | led->wk = !!value; | |
351 | queue_work(asus->led_workqueue, &led->work); | |
352 | } | |
be18cdab | 353 | |
aee0afb8 CC |
354 | static void asus_led_cdev_update(struct work_struct *work) |
355 | { | |
356 | struct asus_led *led = container_of(work, struct asus_led, work); | |
357 | struct asus_laptop *asus = led->asus; | |
358 | ||
359 | asus_led_set(asus, led->method, led->wk); | |
360 | } | |
361 | ||
362 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) | |
363 | { | |
364 | return led_cdev->brightness; | |
365 | } | |
be18cdab | 366 | |
b7d3fbc2 | 367 | /* |
be4ee82d | 368 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 369 | */ |
d99b577c | 370 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
371 | { |
372 | unsigned long long kblv; | |
373 | struct acpi_object_list params; | |
374 | union acpi_object in_obj; | |
375 | acpi_status rv; | |
376 | ||
377 | params.count = 1; | |
378 | params.pointer = &in_obj; | |
379 | in_obj.type = ACPI_TYPE_INTEGER; | |
380 | in_obj.integer.value = 2; | |
381 | ||
d99b577c CC |
382 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
383 | ¶ms, &kblv); | |
b7d3fbc2 | 384 | if (ACPI_FAILURE(rv)) { |
5ad77dcf | 385 | pr_warn("Error reading kled level\n"); |
4d441513 | 386 | return -ENODEV; |
b7d3fbc2 CC |
387 | } |
388 | return kblv; | |
389 | } | |
390 | ||
4d441513 | 391 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
392 | { |
393 | if (kblv > 0) | |
394 | kblv = (1 << 7) | (kblv & 0x7F); | |
395 | else | |
396 | kblv = 0; | |
397 | ||
d99b577c | 398 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
5ad77dcf | 399 | pr_warn("Keyboard LED display write failed\n"); |
b7d3fbc2 CC |
400 | return -EINVAL; |
401 | } | |
402 | return 0; | |
403 | } | |
404 | ||
aee0afb8 CC |
405 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
406 | enum led_brightness value) | |
b7d3fbc2 | 407 | { |
aee0afb8 CC |
408 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
409 | struct asus_laptop *asus = led->asus; | |
9129d14d | 410 | |
060cbce6 | 411 | led->wk = value; |
aee0afb8 | 412 | queue_work(asus->led_workqueue, &led->work); |
b7d3fbc2 CC |
413 | } |
414 | ||
aee0afb8 | 415 | static void asus_kled_cdev_update(struct work_struct *work) |
b7d3fbc2 | 416 | { |
aee0afb8 CC |
417 | struct asus_led *led = container_of(work, struct asus_led, work); |
418 | struct asus_laptop *asus = led->asus; | |
9129d14d | 419 | |
aee0afb8 | 420 | asus_kled_set(asus, led->wk); |
b7d3fbc2 CC |
421 | } |
422 | ||
aee0afb8 | 423 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
b7d3fbc2 | 424 | { |
aee0afb8 CC |
425 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
426 | struct asus_laptop *asus = led->asus; | |
d99b577c CC |
427 | |
428 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
429 | } |
430 | ||
be4ee82d CC |
431 | static void asus_led_exit(struct asus_laptop *asus) |
432 | { | |
aee0afb8 CC |
433 | if (asus->mled.led.dev) |
434 | led_classdev_unregister(&asus->mled.led); | |
435 | if (asus->tled.led.dev) | |
436 | led_classdev_unregister(&asus->tled.led); | |
437 | if (asus->pled.led.dev) | |
438 | led_classdev_unregister(&asus->pled.led); | |
439 | if (asus->rled.led.dev) | |
440 | led_classdev_unregister(&asus->rled.led); | |
441 | if (asus->gled.led.dev) | |
442 | led_classdev_unregister(&asus->gled.led); | |
443 | if (asus->kled.led.dev) | |
444 | led_classdev_unregister(&asus->kled.led); | |
445 | if (asus->led_workqueue) { | |
446 | destroy_workqueue(asus->led_workqueue); | |
447 | asus->led_workqueue = NULL; | |
be4ee82d CC |
448 | } |
449 | } | |
450 | ||
451 | /* Ugly macro, need to fix that later */ | |
aee0afb8 CC |
452 | static int asus_led_register(struct asus_laptop *asus, |
453 | struct asus_led *led, | |
454 | const char *name, const char *method) | |
455 | { | |
456 | struct led_classdev *led_cdev = &led->led; | |
457 | ||
458 | if (!method || acpi_check_handle(asus->handle, method, NULL)) | |
060cbce6 | 459 | return 0; /* Led not present */ |
aee0afb8 CC |
460 | |
461 | led->asus = asus; | |
462 | led->method = method; | |
463 | ||
464 | INIT_WORK(&led->work, asus_led_cdev_update); | |
465 | led_cdev->name = name; | |
466 | led_cdev->brightness_set = asus_led_cdev_set; | |
467 | led_cdev->brightness_get = asus_led_cdev_get; | |
468 | led_cdev->max_brightness = 1; | |
469 | return led_classdev_register(&asus->platform_device->dev, led_cdev); | |
470 | } | |
be4ee82d CC |
471 | |
472 | static int asus_led_init(struct asus_laptop *asus) | |
473 | { | |
aee0afb8 | 474 | int r; |
be4ee82d CC |
475 | |
476 | /* | |
477 | * Functions that actually update the LED's are called from a | |
478 | * workqueue. By doing this as separate work rather than when the LED | |
479 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
480 | * potentially bad time, such as a timer interrupt. | |
481 | */ | |
aee0afb8 CC |
482 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
483 | if (!asus->led_workqueue) | |
be4ee82d CC |
484 | return -ENOMEM; |
485 | ||
aee0afb8 CC |
486 | r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED); |
487 | if (r) | |
488 | goto error; | |
489 | r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED); | |
490 | if (r) | |
491 | goto error; | |
492 | r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED); | |
493 | if (r) | |
494 | goto error; | |
495 | r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED); | |
496 | if (r) | |
497 | goto error; | |
498 | r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED); | |
499 | if (r) | |
500 | goto error; | |
d99b577c | 501 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
aee0afb8 CC |
502 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
503 | struct asus_led *led = &asus->kled; | |
504 | struct led_classdev *cdev = &led->led; | |
505 | ||
506 | led->asus = asus; | |
507 | ||
508 | INIT_WORK(&led->work, asus_kled_cdev_update); | |
509 | cdev->name = "asus::kbd_backlight"; | |
510 | cdev->brightness_set = asus_kled_cdev_set; | |
511 | cdev->brightness_get = asus_kled_cdev_get; | |
512 | cdev->max_brightness = 3; | |
513 | r = led_classdev_register(&asus->platform_device->dev, cdev); | |
514 | } | |
be4ee82d | 515 | error: |
aee0afb8 | 516 | if (r) |
be4ee82d | 517 | asus_led_exit(asus); |
aee0afb8 | 518 | return r; |
be4ee82d CC |
519 | } |
520 | ||
521 | /* | |
522 | * Backlight device | |
523 | */ | |
4d441513 | 524 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 525 | { |
d99b577c | 526 | struct asus_laptop *asus = bl_get_data(bd); |
27663c58 | 527 | unsigned long long value; |
9a816850 | 528 | acpi_status rv = AE_OK; |
6b7091e7 | 529 | |
d99b577c CC |
530 | rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, |
531 | NULL, &value); | |
9a816850 | 532 | if (ACPI_FAILURE(rv)) |
5ad77dcf | 533 | pr_warn("Error reading brightness\n"); |
6b7091e7 CC |
534 | |
535 | return value; | |
536 | } | |
537 | ||
4d441513 | 538 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 539 | { |
d99b577c CC |
540 | struct asus_laptop *asus = bl_get_data(bd); |
541 | ||
542 | if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) { | |
5ad77dcf | 543 | pr_warn("Error changing brightness\n"); |
e5b50f6a | 544 | return -EIO; |
6b7091e7 | 545 | } |
e5b50f6a | 546 | return 0; |
6b7091e7 CC |
547 | } |
548 | ||
549 | static int update_bl_status(struct backlight_device *bd) | |
550 | { | |
599a52d1 | 551 | int value = bd->props.brightness; |
6b7091e7 | 552 | |
3b81cf9d | 553 | return asus_set_brightness(bd, value); |
6b7091e7 CC |
554 | } |
555 | ||
acc2472e | 556 | static const struct backlight_ops asusbl_ops = { |
4d441513 | 557 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
558 | .update_status = update_bl_status, |
559 | }; | |
560 | ||
a539df5e CC |
561 | static int asus_backlight_notify(struct asus_laptop *asus) |
562 | { | |
563 | struct backlight_device *bd = asus->backlight_device; | |
564 | int old = bd->props.brightness; | |
565 | ||
566 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
567 | ||
568 | return old; | |
569 | } | |
570 | ||
be4ee82d CC |
571 | static int asus_backlight_init(struct asus_laptop *asus) |
572 | { | |
573 | struct backlight_device *bd; | |
a19a6ee6 | 574 | struct backlight_properties props; |
be4ee82d | 575 | |
71e687dc | 576 | if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) || |
3b81cf9d | 577 | acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL)) |
71e687dc | 578 | return 0; |
be4ee82d | 579 | |
71e687dc CC |
580 | memset(&props, 0, sizeof(struct backlight_properties)); |
581 | props.max_brightness = 15; | |
bb7ca747 | 582 | props.type = BACKLIGHT_PLATFORM; |
be4ee82d | 583 | |
71e687dc CC |
584 | bd = backlight_device_register(ASUS_LAPTOP_FILE, |
585 | &asus->platform_device->dev, asus, | |
586 | &asusbl_ops, &props); | |
587 | if (IS_ERR(bd)) { | |
588 | pr_err("Could not register asus backlight device\n"); | |
589 | asus->backlight_device = NULL; | |
590 | return PTR_ERR(bd); | |
be4ee82d | 591 | } |
71e687dc CC |
592 | |
593 | asus->backlight_device = bd; | |
594 | bd->props.brightness = asus_read_brightness(bd); | |
595 | bd->props.power = FB_BLANK_UNBLANK; | |
596 | backlight_update_status(bd); | |
be4ee82d CC |
597 | return 0; |
598 | } | |
599 | ||
600 | static void asus_backlight_exit(struct asus_laptop *asus) | |
601 | { | |
602 | if (asus->backlight_device) | |
603 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 604 | asus->backlight_device = NULL; |
be4ee82d CC |
605 | } |
606 | ||
85091b71 CC |
607 | /* |
608 | * Platform device handlers | |
609 | */ | |
610 | ||
611 | /* | |
612 | * We write our info in page, we begin at offset off and cannot write more | |
613 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
614 | * number of bytes written in page | |
615 | */ | |
616 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 617 | struct device_attribute *attr, char *page) |
85091b71 | 618 | { |
9129d14d | 619 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 620 | int len = 0; |
27663c58 | 621 | unsigned long long temp; |
be966660 | 622 | char buf[16]; /* enough for all info */ |
9a816850 CC |
623 | acpi_status rv = AE_OK; |
624 | ||
85091b71 | 625 | /* |
060cbce6 CC |
626 | * We use the easy way, we don't care of off and count, |
627 | * so we don't set eof to 1 | |
85091b71 CC |
628 | */ |
629 | ||
50a90c4d CC |
630 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
631 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
632 | /* |
633 | * The SFUN method probably allows the original driver to get the list | |
634 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
635 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
636 | * The significance of others is yet to be found. | |
637 | */ | |
50a90c4d | 638 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 639 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
640 | len += sprintf(page + len, "SFUN value : %#x\n", |
641 | (uint) temp); | |
642 | /* | |
643 | * The HWRS method return informations about the hardware. | |
644 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
645 | * The significance of others is yet to be found. | |
646 | * If we don't find the method, we assume the device are present. | |
647 | */ | |
50a90c4d | 648 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
649 | if (!ACPI_FAILURE(rv)) |
650 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 651 | (uint) temp); |
85091b71 CC |
652 | /* |
653 | * Another value for userspace: the ASYM method returns 0x02 for | |
654 | * battery low and 0x04 for battery critical, its readings tend to be | |
655 | * more accurate than those provided by _BST. | |
656 | * Note: since not all the laptops provide this method, errors are | |
657 | * silently ignored. | |
658 | */ | |
50a90c4d | 659 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 660 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 661 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 662 | (uint) temp); |
7c247645 CC |
663 | if (asus->dsdt_info) { |
664 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 665 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 666 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 667 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 668 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 669 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 670 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 671 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 672 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 673 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 674 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 675 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 676 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 677 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 678 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
679 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
680 | } | |
681 | ||
682 | return len; | |
683 | } | |
684 | ||
685 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
686 | { | |
687 | if (!count) | |
688 | return 0; | |
689 | if (count > 31) | |
690 | return -EINVAL; | |
691 | if (sscanf(buf, "%i", val) != 1) | |
692 | return -EINVAL; | |
693 | return count; | |
694 | } | |
695 | ||
17e78f62 CC |
696 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
697 | const char *buf, size_t count, | |
d99b577c | 698 | const char *method) |
4564de17 CC |
699 | { |
700 | int rv, value; | |
701 | int out = 0; | |
702 | ||
703 | rv = parse_arg(buf, count, &value); | |
704 | if (rv > 0) | |
705 | out = value ? 1 : 0; | |
706 | ||
d99b577c | 707 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 708 | return -ENODEV; |
4564de17 CC |
709 | return rv; |
710 | } | |
711 | ||
722ad971 CC |
712 | /* |
713 | * LEDD display | |
714 | */ | |
715 | static ssize_t show_ledd(struct device *dev, | |
716 | struct device_attribute *attr, char *buf) | |
717 | { | |
9129d14d CC |
718 | struct asus_laptop *asus = dev_get_drvdata(dev); |
719 | ||
50a90c4d | 720 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
721 | } |
722 | ||
723 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
724 | const char *buf, size_t count) | |
725 | { | |
9129d14d | 726 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
727 | int rv, value; |
728 | ||
729 | rv = parse_arg(buf, count, &value); | |
730 | if (rv > 0) { | |
6a984a06 | 731 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) { |
5ad77dcf | 732 | pr_warn("LED display write failed\n"); |
6a984a06 AL |
733 | return -ENODEV; |
734 | } | |
735 | asus->ledd_status = (u32) value; | |
722ad971 CC |
736 | } |
737 | return rv; | |
738 | } | |
739 | ||
aa9df930 CC |
740 | /* |
741 | * Wireless | |
742 | */ | |
743 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
744 | { | |
745 | unsigned long long status; | |
746 | acpi_status rv = AE_OK; | |
747 | ||
748 | if (!asus->have_rsts) | |
749 | return (asus->wireless_status & mask) ? 1 : 0; | |
750 | ||
d99b577c CC |
751 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
752 | NULL, &status); | |
aa9df930 | 753 | if (ACPI_FAILURE(rv)) { |
5ad77dcf | 754 | pr_warn("Error reading Wireless status\n"); |
aa9df930 CC |
755 | return -EINVAL; |
756 | } | |
757 | return !!(status & mask); | |
758 | } | |
759 | ||
4564de17 CC |
760 | /* |
761 | * WLAN | |
762 | */ | |
e5593bf1 CC |
763 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
764 | { | |
765 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
5ad77dcf | 766 | pr_warn("Error setting wlan status to %d\n", status); |
e5593bf1 CC |
767 | return -EIO; |
768 | } | |
769 | return 0; | |
770 | } | |
771 | ||
4564de17 CC |
772 | static ssize_t show_wlan(struct device *dev, |
773 | struct device_attribute *attr, char *buf) | |
774 | { | |
9129d14d CC |
775 | struct asus_laptop *asus = dev_get_drvdata(dev); |
776 | ||
17e78f62 | 777 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
778 | } |
779 | ||
780 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
781 | const char *buf, size_t count) | |
782 | { | |
9129d14d CC |
783 | struct asus_laptop *asus = dev_get_drvdata(dev); |
784 | ||
d99b577c | 785 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
786 | } |
787 | ||
788 | /* | |
789 | * Bluetooth | |
790 | */ | |
e5593bf1 CC |
791 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
792 | { | |
793 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
5ad77dcf | 794 | pr_warn("Error setting bluetooth status to %d\n", status); |
e5593bf1 CC |
795 | return -EIO; |
796 | } | |
797 | return 0; | |
798 | } | |
799 | ||
4564de17 CC |
800 | static ssize_t show_bluetooth(struct device *dev, |
801 | struct device_attribute *attr, char *buf) | |
802 | { | |
9129d14d CC |
803 | struct asus_laptop *asus = dev_get_drvdata(dev); |
804 | ||
17e78f62 | 805 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
806 | } |
807 | ||
8def05fa LB |
808 | static ssize_t store_bluetooth(struct device *dev, |
809 | struct device_attribute *attr, const char *buf, | |
810 | size_t count) | |
4564de17 | 811 | { |
9129d14d CC |
812 | struct asus_laptop *asus = dev_get_drvdata(dev); |
813 | ||
d99b577c | 814 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
815 | } |
816 | ||
ba1ff5be CC |
817 | /* |
818 | * Wimax | |
819 | */ | |
820 | static int asus_wimax_set(struct asus_laptop *asus, int status) | |
821 | { | |
822 | if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) { | |
5ad77dcf | 823 | pr_warn("Error setting wimax status to %d\n", status); |
ba1ff5be CC |
824 | return -EIO; |
825 | } | |
826 | return 0; | |
827 | } | |
828 | ||
829 | static ssize_t show_wimax(struct device *dev, | |
830 | struct device_attribute *attr, char *buf) | |
831 | { | |
832 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
833 | ||
834 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS)); | |
835 | } | |
836 | ||
837 | static ssize_t store_wimax(struct device *dev, | |
838 | struct device_attribute *attr, const char *buf, | |
839 | size_t count) | |
840 | { | |
841 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
842 | ||
843 | return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX); | |
844 | } | |
845 | ||
846 | /* | |
847 | * Wwan | |
848 | */ | |
849 | static int asus_wwan_set(struct asus_laptop *asus, int status) | |
850 | { | |
851 | if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) { | |
5ad77dcf | 852 | pr_warn("Error setting wwan status to %d\n", status); |
ba1ff5be CC |
853 | return -EIO; |
854 | } | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static ssize_t show_wwan(struct device *dev, | |
859 | struct device_attribute *attr, char *buf) | |
860 | { | |
861 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
862 | ||
863 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS)); | |
864 | } | |
865 | ||
866 | static ssize_t store_wwan(struct device *dev, | |
867 | struct device_attribute *attr, const char *buf, | |
868 | size_t count) | |
869 | { | |
870 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
871 | ||
872 | return sysfs_acpi_set(asus, buf, count, METHOD_WWAN); | |
873 | } | |
874 | ||
78127b4a CC |
875 | /* |
876 | * Display | |
877 | */ | |
4d441513 | 878 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
879 | { |
880 | /* no sanity check needed for now */ | |
d99b577c | 881 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
5ad77dcf | 882 | pr_warn("Error setting display\n"); |
78127b4a CC |
883 | return; |
884 | } | |
885 | ||
78127b4a CC |
886 | /* |
887 | * Experimental support for display switching. As of now: 1 should activate | |
888 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
889 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
890 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
891 | * for more info. | |
892 | */ | |
893 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
894 | const char *buf, size_t count) | |
895 | { | |
9129d14d | 896 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
897 | int rv, value; |
898 | ||
899 | rv = parse_arg(buf, count, &value); | |
900 | if (rv > 0) | |
4d441513 | 901 | asus_set_display(asus, value); |
78127b4a CC |
902 | return rv; |
903 | } | |
904 | ||
8b857353 CC |
905 | /* |
906 | * Light Sens | |
907 | */ | |
4d441513 | 908 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 909 | { |
d99b577c | 910 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
5ad77dcf | 911 | pr_warn("Error setting light sensor switch\n"); |
50a90c4d | 912 | asus->light_switch = value; |
8b857353 CC |
913 | } |
914 | ||
915 | static ssize_t show_lssw(struct device *dev, | |
916 | struct device_attribute *attr, char *buf) | |
917 | { | |
9129d14d CC |
918 | struct asus_laptop *asus = dev_get_drvdata(dev); |
919 | ||
50a90c4d | 920 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
921 | } |
922 | ||
923 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
924 | const char *buf, size_t count) | |
925 | { | |
9129d14d | 926 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
927 | int rv, value; |
928 | ||
929 | rv = parse_arg(buf, count, &value); | |
930 | if (rv > 0) | |
4d441513 | 931 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
932 | |
933 | return rv; | |
934 | } | |
935 | ||
4d441513 | 936 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 937 | { |
d99b577c | 938 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
5ad77dcf | 939 | pr_warn("Error setting light sensor level\n"); |
50a90c4d | 940 | asus->light_level = value; |
8b857353 CC |
941 | } |
942 | ||
943 | static ssize_t show_lslvl(struct device *dev, | |
944 | struct device_attribute *attr, char *buf) | |
945 | { | |
9129d14d CC |
946 | struct asus_laptop *asus = dev_get_drvdata(dev); |
947 | ||
50a90c4d | 948 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
949 | } |
950 | ||
951 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
952 | const char *buf, size_t count) | |
953 | { | |
9129d14d | 954 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
955 | int rv, value; |
956 | ||
957 | rv = parse_arg(buf, count, &value); | |
958 | if (rv > 0) { | |
959 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
960 | /* 0 <= value <= 15 */ | |
4d441513 | 961 | asus_als_level(asus, value); |
8b857353 CC |
962 | } |
963 | ||
964 | return rv; | |
965 | } | |
966 | ||
e539c2f6 CC |
967 | /* |
968 | * GPS | |
969 | */ | |
6358bf2c CC |
970 | static int asus_gps_status(struct asus_laptop *asus) |
971 | { | |
972 | unsigned long long status; | |
973 | acpi_status rv = AE_OK; | |
974 | ||
d99b577c CC |
975 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
976 | NULL, &status); | |
6358bf2c | 977 | if (ACPI_FAILURE(rv)) { |
5ad77dcf | 978 | pr_warn("Error reading GPS status\n"); |
6358bf2c CC |
979 | return -ENODEV; |
980 | } | |
981 | return !!status; | |
982 | } | |
983 | ||
984 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
985 | { | |
d99b577c | 986 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 987 | |
d99b577c | 988 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
989 | return -ENODEV; |
990 | return 0; | |
991 | } | |
992 | ||
e539c2f6 CC |
993 | static ssize_t show_gps(struct device *dev, |
994 | struct device_attribute *attr, char *buf) | |
995 | { | |
9129d14d CC |
996 | struct asus_laptop *asus = dev_get_drvdata(dev); |
997 | ||
6358bf2c | 998 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
999 | } |
1000 | ||
1001 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1002 | const char *buf, size_t count) | |
1003 | { | |
060cbce6 | 1004 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1005 | int rv, value; |
1006 | int ret; | |
9129d14d | 1007 | |
6358bf2c CC |
1008 | rv = parse_arg(buf, count, &value); |
1009 | if (rv <= 0) | |
1010 | return -EINVAL; | |
1011 | ret = asus_gps_switch(asus, !!value); | |
1012 | if (ret) | |
1013 | return ret; | |
18e1311e | 1014 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1015 | return rv; |
e539c2f6 CC |
1016 | } |
1017 | ||
18e1311e CC |
1018 | /* |
1019 | * rfkill | |
1020 | */ | |
1021 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1022 | { | |
23f45c3a | 1023 | struct asus_laptop *asus = data; |
18e1311e | 1024 | |
23f45c3a | 1025 | return asus_gps_switch(asus, !blocked); |
18e1311e CC |
1026 | } |
1027 | ||
1028 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1029 | .set_block = asus_gps_rfkill_set, | |
1030 | }; | |
1031 | ||
1032 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1033 | { | |
1034 | if (asus->gps_rfkill) { | |
1035 | rfkill_unregister(asus->gps_rfkill); | |
1036 | rfkill_destroy(asus->gps_rfkill); | |
1037 | asus->gps_rfkill = NULL; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1042 | { | |
1043 | int result; | |
1044 | ||
1045 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1046 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1047 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1048 | return 0; | |
1049 | ||
1050 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1051 | RFKILL_TYPE_GPS, | |
23f45c3a | 1052 | &asus_gps_rfkill_ops, asus); |
18e1311e CC |
1053 | if (!asus->gps_rfkill) |
1054 | return -EINVAL; | |
1055 | ||
1056 | result = rfkill_register(asus->gps_rfkill); | |
1057 | if (result) { | |
1058 | rfkill_destroy(asus->gps_rfkill); | |
1059 | asus->gps_rfkill = NULL; | |
1060 | } | |
1061 | ||
1062 | return result; | |
1063 | } | |
1064 | ||
034ce90a | 1065 | /* |
be4ee82d | 1066 | * Input device (i.e. hotkeys) |
034ce90a | 1067 | */ |
be4ee82d CC |
1068 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1069 | { | |
66a71dd1 CC |
1070 | if (asus->inputdev) |
1071 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1072 | } |
1073 | ||
1074 | static int asus_input_init(struct asus_laptop *asus) | |
1075 | { | |
66a71dd1 CC |
1076 | struct input_dev *input; |
1077 | int error; | |
be4ee82d | 1078 | |
66a71dd1 CC |
1079 | input = input_allocate_device(); |
1080 | if (!input) { | |
be4ee82d | 1081 | pr_info("Unable to allocate input device\n"); |
45036ae1 | 1082 | return -ENOMEM; |
be4ee82d | 1083 | } |
66a71dd1 CC |
1084 | input->name = "Asus Laptop extra buttons"; |
1085 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1086 | input->id.bustype = BUS_HOST; | |
1087 | input->dev.parent = &asus->platform_device->dev; | |
66a71dd1 CC |
1088 | |
1089 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1090 | if (error) { | |
1091 | pr_err("Unable to setup input device keymap\n"); | |
45036ae1 | 1092 | goto err_free_dev; |
be4ee82d | 1093 | } |
66a71dd1 CC |
1094 | error = input_register_device(input); |
1095 | if (error) { | |
be4ee82d | 1096 | pr_info("Unable to register input device\n"); |
45036ae1 | 1097 | goto err_free_keymap; |
be4ee82d | 1098 | } |
66a71dd1 CC |
1099 | |
1100 | asus->inputdev = input; | |
1101 | return 0; | |
1102 | ||
45036ae1 | 1103 | err_free_keymap: |
66a71dd1 | 1104 | sparse_keymap_free(input); |
45036ae1 | 1105 | err_free_dev: |
66a71dd1 CC |
1106 | input_free_device(input); |
1107 | return error; | |
be4ee82d CC |
1108 | } |
1109 | ||
1110 | static void asus_input_exit(struct asus_laptop *asus) | |
1111 | { | |
66a71dd1 CC |
1112 | if (asus->inputdev) { |
1113 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1114 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1115 | } |
71e687dc | 1116 | asus->inputdev = NULL; |
be4ee82d CC |
1117 | } |
1118 | ||
1119 | /* | |
1120 | * ACPI driver | |
1121 | */ | |
600ad520 | 1122 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1123 | { |
9129d14d | 1124 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1125 | u16 count; |
034ce90a | 1126 | |
619d8b11 | 1127 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1128 | count = asus->event_count[event % 128]++; |
1129 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1130 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1131 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1132 | count); |
85091b71 | 1133 | |
a539df5e CC |
1134 | /* Brightness events are special */ |
1135 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1136 | ||
1137 | /* Ignore them completely if the acpi video driver is used */ | |
1138 | if (asus->backlight_device != NULL) { | |
1139 | /* Update the backlight device. */ | |
1140 | asus_backlight_notify(asus); | |
1141 | } | |
1142 | return ; | |
1143 | } | |
be4ee82d | 1144 | asus_input_notify(asus, event); |
85091b71 CC |
1145 | } |
1146 | ||
2a1fd64c CC |
1147 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1148 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
ac9b1e5b DT |
1149 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, |
1150 | show_bluetooth, store_bluetooth); | |
ba1ff5be CC |
1151 | static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax); |
1152 | static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan); | |
3b81cf9d | 1153 | static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp); |
2a1fd64c CC |
1154 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); |
1155 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1156 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1157 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1158 | ||
ac9b1e5b DT |
1159 | static struct attribute *asus_attributes[] = { |
1160 | &dev_attr_infos.attr, | |
1161 | &dev_attr_wlan.attr, | |
1162 | &dev_attr_bluetooth.attr, | |
ba1ff5be CC |
1163 | &dev_attr_wimax.attr, |
1164 | &dev_attr_wwan.attr, | |
ac9b1e5b DT |
1165 | &dev_attr_display.attr, |
1166 | &dev_attr_ledd.attr, | |
1167 | &dev_attr_ls_level.attr, | |
1168 | &dev_attr_ls_switch.attr, | |
1169 | &dev_attr_gps.attr, | |
1170 | NULL | |
1171 | }; | |
2a1fd64c | 1172 | |
ac9b1e5b DT |
1173 | static mode_t asus_sysfs_is_visible(struct kobject *kobj, |
1174 | struct attribute *attr, | |
1175 | int idx) | |
2a1fd64c | 1176 | { |
ac9b1e5b DT |
1177 | struct device *dev = container_of(kobj, struct device, kobj); |
1178 | struct platform_device *pdev = to_platform_device(dev); | |
1179 | struct asus_laptop *asus = platform_get_drvdata(pdev); | |
1180 | acpi_handle handle = asus->handle; | |
1181 | bool supported; | |
1182 | ||
1183 | if (attr == &dev_attr_wlan.attr) { | |
1184 | supported = !acpi_check_handle(handle, METHOD_WLAN, NULL); | |
1185 | ||
1186 | } else if (attr == &dev_attr_bluetooth.attr) { | |
1187 | supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL); | |
1188 | ||
1189 | } else if (attr == &dev_attr_display.attr) { | |
1190 | supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL); | |
1191 | ||
ba1ff5be CC |
1192 | } else if (attr == &dev_attr_wimax.attr) { |
1193 | supported = | |
1194 | !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL); | |
1195 | ||
1196 | } else if (attr == &dev_attr_wwan.attr) { | |
1197 | supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL); | |
1198 | ||
ac9b1e5b DT |
1199 | } else if (attr == &dev_attr_ledd.attr) { |
1200 | supported = !acpi_check_handle(handle, METHOD_LEDD, NULL); | |
1201 | ||
1202 | } else if (attr == &dev_attr_ls_switch.attr || | |
1203 | attr == &dev_attr_ls_level.attr) { | |
1204 | supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) && | |
1205 | !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL); | |
1206 | ||
1207 | } else if (attr == &dev_attr_gps.attr) { | |
1208 | supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) && | |
1209 | !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) && | |
1210 | !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL); | |
1211 | } else { | |
1212 | supported = true; | |
2a1fd64c CC |
1213 | } |
1214 | ||
ac9b1e5b DT |
1215 | return supported ? attr->mode : 0; |
1216 | } | |
2a1fd64c | 1217 | |
2a1fd64c | 1218 | |
ac9b1e5b DT |
1219 | static const struct attribute_group asus_attr_group = { |
1220 | .is_visible = asus_sysfs_is_visible, | |
1221 | .attrs = asus_attributes, | |
1222 | }; | |
85091b71 | 1223 | |
9129d14d | 1224 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1225 | { |
71e687dc | 1226 | int result; |
600ad520 | 1227 | |
50a90c4d CC |
1228 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1229 | if (!asus->platform_device) | |
600ad520 | 1230 | return -ENOMEM; |
9129d14d | 1231 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1232 | |
71e687dc CC |
1233 | result = platform_device_add(asus->platform_device); |
1234 | if (result) | |
600ad520 CC |
1235 | goto fail_platform_device; |
1236 | ||
ac9b1e5b DT |
1237 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
1238 | &asus_attr_group); | |
71e687dc | 1239 | if (result) |
600ad520 | 1240 | goto fail_sysfs; |
ac9b1e5b | 1241 | |
600ad520 CC |
1242 | return 0; |
1243 | ||
1244 | fail_sysfs: | |
50a90c4d | 1245 | platform_device_del(asus->platform_device); |
600ad520 | 1246 | fail_platform_device: |
50a90c4d | 1247 | platform_device_put(asus->platform_device); |
71e687dc | 1248 | return result; |
600ad520 CC |
1249 | } |
1250 | ||
9129d14d | 1251 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1252 | { |
ac9b1e5b | 1253 | sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group); |
50a90c4d | 1254 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1255 | } |
1256 | ||
1257 | static struct platform_driver platform_driver = { | |
8def05fa | 1258 | .driver = { |
9129d14d CC |
1259 | .name = ASUS_LAPTOP_FILE, |
1260 | .owner = THIS_MODULE, | |
1261 | } | |
85091b71 CC |
1262 | }; |
1263 | ||
85091b71 | 1264 | /* |
50a90c4d CC |
1265 | * This function is used to initialize the context with right values. In this |
1266 | * method, we can make all the detection we want, and modify the asus_laptop | |
1267 | * struct | |
85091b71 | 1268 | */ |
7c247645 | 1269 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1270 | { |
1271 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1272 | union acpi_object *model = NULL; |
27663c58 | 1273 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1274 | char *string = NULL; |
1275 | acpi_status status; | |
1276 | ||
1277 | /* | |
1278 | * Get DSDT headers early enough to allow for differentiating between | |
1279 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1280 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1281 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1282 | * HID), this bit will be moved. |
85091b71 | 1283 | */ |
7c247645 | 1284 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1285 | if (ACPI_FAILURE(status)) |
5ad77dcf | 1286 | pr_warn("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1287 | |
1288 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1289 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1290 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1291 | return -ENODEV; |
1292 | } | |
1293 | ||
1294 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1295 | status = |
50a90c4d | 1296 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1297 | if (ACPI_FAILURE(status)) |
5ad77dcf | 1298 | pr_warn("Error calling BSTS\n"); |
85091b71 | 1299 | else if (bsts_result) |
2fcc23da | 1300 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1301 | (uint) bsts_result); |
85091b71 | 1302 | |
185e5af9 | 1303 | /* This too ... */ |
e5593bf1 CC |
1304 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1305 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1306 | /* |
1307 | * Try to match the object returned by INIT to the specific model. | |
1308 | * Handle every possible object (or the lack of thereof) the DSDT | |
1309 | * writers might throw at us. When in trouble, we pass NULL to | |
1310 | * asus_model_match() and try something completely different. | |
1311 | */ | |
1312 | if (buffer.pointer) { | |
1313 | model = buffer.pointer; | |
1314 | switch (model->type) { | |
1315 | case ACPI_TYPE_STRING: | |
1316 | string = model->string.pointer; | |
1317 | break; | |
1318 | case ACPI_TYPE_BUFFER: | |
1319 | string = model->buffer.pointer; | |
1320 | break; | |
1321 | default: | |
1322 | string = ""; | |
1323 | break; | |
1324 | } | |
1325 | } | |
50a90c4d | 1326 | asus->name = kstrdup(string, GFP_KERNEL); |
d8eca110 AL |
1327 | if (!asus->name) { |
1328 | kfree(buffer.pointer); | |
85091b71 | 1329 | return -ENOMEM; |
d8eca110 | 1330 | } |
85091b71 | 1331 | |
8def05fa | 1332 | if (*string) |
2fcc23da | 1333 | pr_notice(" %s model detected\n", string); |
85091b71 | 1334 | |
4564de17 CC |
1335 | /* |
1336 | * The HWRS method return informations about the hardware. | |
ba1ff5be CC |
1337 | * 0x80 bit is for WLAN, 0x100 for Bluetooth, |
1338 | * 0x40 for WWAN, 0x10 for WIMAX. | |
4564de17 | 1339 | * The significance of others is yet to be found. |
4564de17 | 1340 | */ |
9a816850 | 1341 | status = |
50a90c4d | 1342 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1343 | if (!ACPI_FAILURE(status)) |
1344 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1345 | |
d99b577c | 1346 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1347 | asus->have_rsts = true; |
4564de17 | 1348 | |
85091b71 CC |
1349 | kfree(model); |
1350 | ||
1351 | return AE_OK; | |
1352 | } | |
1353 | ||
9129d14d | 1354 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1355 | { |
600ad520 | 1356 | int result = 0; |
85091b71 | 1357 | |
50a90c4d | 1358 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1359 | if (result) |
85091b71 | 1360 | return result; |
50a90c4d | 1361 | if (!asus->device->status.present) { |
600ad520 | 1362 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1363 | return -ENODEV; |
1364 | } | |
1365 | ||
7c247645 | 1366 | result = asus_laptop_get_info(asus); |
034ce90a | 1367 | if (result) |
600ad520 | 1368 | return result; |
034ce90a | 1369 | |
600ad520 | 1370 | /* WLED and BLED are on by default */ |
be4ee82d | 1371 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1372 | asus_bluetooth_set(asus, !!bluetooth_status); |
1373 | ||
d0930a2d CC |
1374 | if (wlan_status >= 0) |
1375 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1376 | |
ba1ff5be CC |
1377 | if (wimax_status >= 0) |
1378 | asus_wimax_set(asus, !!wimax_status); | |
1379 | ||
1380 | if (wwan_status >= 0) | |
1381 | asus_wwan_set(asus, !!wwan_status); | |
1382 | ||
600ad520 | 1383 | /* Keyboard Backlight is on by default */ |
d99b577c | 1384 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1385 | asus_kled_set(asus, 1); |
600ad520 CC |
1386 | |
1387 | /* LED display is off by default */ | |
50a90c4d | 1388 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1389 | |
1390 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1391 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1392 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1393 | |
d99b577c CC |
1394 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1395 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1396 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1397 | asus_als_level(asus, asus->light_level); |
d99b577c | 1398 | } |
600ad520 | 1399 | |
600ad520 CC |
1400 | return result; |
1401 | } | |
1402 | ||
af96f877 CC |
1403 | static void __devinit asus_dmi_check(void) |
1404 | { | |
1405 | const char *model; | |
1406 | ||
1407 | model = dmi_get_system_info(DMI_PRODUCT_NAME); | |
1408 | if (!model) | |
1409 | return; | |
1410 | ||
1411 | /* On L1400B WLED control the sound card, don't mess with it ... */ | |
1412 | if (strncmp(model, "L1400B", 6) == 0) { | |
1413 | wlan_status = -1; | |
1414 | } | |
1415 | } | |
1416 | ||
71e687dc CC |
1417 | static bool asus_device_present; |
1418 | ||
600ad520 CC |
1419 | static int __devinit asus_acpi_add(struct acpi_device *device) |
1420 | { | |
9129d14d | 1421 | struct asus_laptop *asus; |
600ad520 CC |
1422 | int result; |
1423 | ||
1424 | pr_notice("Asus Laptop Support version %s\n", | |
1425 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1426 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1427 | if (!asus) | |
600ad520 | 1428 | return -ENOMEM; |
50a90c4d CC |
1429 | asus->handle = device->handle; |
1430 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1431 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1432 | device->driver_data = asus; | |
1433 | asus->device = device; | |
600ad520 | 1434 | |
af96f877 CC |
1435 | asus_dmi_check(); |
1436 | ||
9129d14d | 1437 | result = asus_acpi_init(asus); |
8def05fa | 1438 | if (result) |
600ad520 | 1439 | goto fail_platform; |
85091b71 | 1440 | |
600ad520 CC |
1441 | /* |
1442 | * Register the platform device first. It is used as a parent for the | |
1443 | * sub-devices below. | |
1444 | */ | |
9129d14d | 1445 | result = asus_platform_init(asus); |
116bf2e0 | 1446 | if (result) |
600ad520 | 1447 | goto fail_platform; |
116bf2e0 CC |
1448 | |
1449 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1450 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1451 | if (result) |
1452 | goto fail_backlight; | |
1453 | } else | |
600ad520 | 1454 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1455 | |
9129d14d | 1456 | result = asus_input_init(asus); |
600ad520 CC |
1457 | if (result) |
1458 | goto fail_input; | |
1459 | ||
9129d14d | 1460 | result = asus_led_init(asus); |
600ad520 CC |
1461 | if (result) |
1462 | goto fail_led; | |
1463 | ||
18e1311e CC |
1464 | result = asus_rfkill_init(asus); |
1465 | if (result) | |
1466 | goto fail_rfkill; | |
1467 | ||
600ad520 | 1468 | asus_device_present = true; |
8def05fa | 1469 | return 0; |
85091b71 | 1470 | |
18e1311e CC |
1471 | fail_rfkill: |
1472 | asus_led_exit(asus); | |
600ad520 | 1473 | fail_led: |
9129d14d | 1474 | asus_input_exit(asus); |
600ad520 | 1475 | fail_input: |
9129d14d | 1476 | asus_backlight_exit(asus); |
116bf2e0 | 1477 | fail_backlight: |
9129d14d | 1478 | asus_platform_exit(asus); |
600ad520 | 1479 | fail_platform: |
50a90c4d CC |
1480 | kfree(asus->name); |
1481 | kfree(asus); | |
116bf2e0 | 1482 | |
600ad520 CC |
1483 | return result; |
1484 | } | |
116bf2e0 | 1485 | |
600ad520 CC |
1486 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1487 | { | |
9129d14d CC |
1488 | struct asus_laptop *asus = acpi_driver_data(device); |
1489 | ||
1490 | asus_backlight_exit(asus); | |
18e1311e | 1491 | asus_rfkill_exit(asus); |
9129d14d CC |
1492 | asus_led_exit(asus); |
1493 | asus_input_exit(asus); | |
1494 | asus_platform_exit(asus); | |
600ad520 | 1495 | |
50a90c4d CC |
1496 | kfree(asus->name); |
1497 | kfree(asus); | |
600ad520 CC |
1498 | return 0; |
1499 | } | |
1500 | ||
1501 | static const struct acpi_device_id asus_device_ids[] = { | |
1502 | {"ATK0100", 0}, | |
1503 | {"ATK0101", 0}, | |
1504 | {"", 0}, | |
1505 | }; | |
1506 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1507 | |
600ad520 | 1508 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1509 | .name = ASUS_LAPTOP_NAME, |
1510 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1511 | .owner = THIS_MODULE, |
1512 | .ids = asus_device_ids, | |
1513 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1514 | .ops = { | |
1515 | .add = asus_acpi_add, | |
1516 | .remove = asus_acpi_remove, | |
1517 | .notify = asus_acpi_notify, | |
1518 | }, | |
1519 | }; | |
85091b71 | 1520 | |
600ad520 CC |
1521 | static int __init asus_laptop_init(void) |
1522 | { | |
1523 | int result; | |
85091b71 | 1524 | |
600ad520 CC |
1525 | result = platform_driver_register(&platform_driver); |
1526 | if (result < 0) | |
1527 | return result; | |
034ce90a | 1528 | |
600ad520 CC |
1529 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1530 | if (result < 0) | |
1531 | goto fail_acpi_driver; | |
1532 | if (!asus_device_present) { | |
1533 | result = -ENODEV; | |
1534 | goto fail_no_device; | |
1535 | } | |
1536 | return 0; | |
85091b71 | 1537 | |
600ad520 CC |
1538 | fail_no_device: |
1539 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1540 | fail_acpi_driver: | |
1541 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1542 | return result; |
1543 | } | |
1544 | ||
600ad520 CC |
1545 | static void __exit asus_laptop_exit(void) |
1546 | { | |
1547 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1548 | platform_driver_unregister(&platform_driver); | |
1549 | } | |
1550 | ||
85091b71 CC |
1551 | module_init(asus_laptop_init); |
1552 | module_exit(asus_laptop_exit); |