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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 | |
32 | * Thomas Tuttle - His first patch for led support was very helpfull | |
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> |
060cbce6 CC |
52 | #include <acpi/acpi_drivers.h> |
53 | #include <acpi/acpi_bus.h> | |
85091b71 | 54 | |
91687cc8 | 55 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 56 | |
50a90c4d CC |
57 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
58 | #define ASUS_LAPTOP_CLASS "hotkey" | |
59 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
60 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
61 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 62 | |
85091b71 | 63 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 64 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
65 | MODULE_LICENSE("GPL"); |
66 | ||
be966660 CC |
67 | /* |
68 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
69 | * The significance of values is yet to be found, but |
70 | * most of the time: | |
71 | * 0x0 will do nothing | |
72 | * 0x1 will allow to control the device with Fn+Fx key. | |
73 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
74 | * 0x5 like 0x1 or 0x4 | |
75 | * So, if something doesn't work as you want, just try other values =) | |
76 | */ | |
77 | static uint wapf = 1; | |
78 | module_param(wapf, uint, 0644); | |
79 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
80 | ||
d0930a2d | 81 | static uint wlan_status = 1; |
0e875f49 CC |
82 | static uint bluetooth_status = 1; |
83 | ||
d0930a2d CC |
84 | module_param(wlan_status, uint, 0644); |
85 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " | |
0e875f49 CC |
86 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
87 | "default is 1"); | |
88 | ||
89 | module_param(bluetooth_status, uint, 0644); | |
90 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
91 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
92 | "default is 1"); | |
93 | ||
be4ee82d CC |
94 | /* |
95 | * Some events we use, same for all Asus | |
96 | */ | |
060cbce6 CC |
97 | #define ATKD_BR_UP 0x10 /* (event & ~ATKD_BR_UP) = brightness level */ |
98 | #define ATKD_BR_DOWN 0x20 /* (event & ~ATKD_BR_DOWN) = britghness level */ | |
a539df5e | 99 | #define ATKD_BR_MIN ATKD_BR_UP |
060cbce6 | 100 | #define ATKD_BR_MAX (ATKD_BR_DOWN | 0xF) /* 0x2f */ |
be4ee82d CC |
101 | #define ATKD_LCD_ON 0x33 |
102 | #define ATKD_LCD_OFF 0x34 | |
103 | ||
104 | /* | |
105 | * Known bits returned by \_SB.ATKD.HWRS | |
106 | */ | |
107 | #define WL_HWRS 0x80 | |
108 | #define BT_HWRS 0x100 | |
109 | ||
110 | /* | |
111 | * Flags for hotk status | |
112 | * WL_ON and BT_ON are also used for wireless_status() | |
113 | */ | |
17e78f62 CC |
114 | #define WL_RSTS 0x01 /* internal Wifi */ |
115 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
be4ee82d | 116 | |
be18cdab | 117 | /* LED */ |
d99b577c CC |
118 | #define METHOD_MLED "MLED" |
119 | #define METHOD_TLED "TLED" | |
120 | #define METHOD_RLED "RLED" /* W1JC */ | |
121 | #define METHOD_PLED "PLED" /* A7J */ | |
122 | #define METHOD_GLED "GLED" /* G1, G2 (probably) */ | |
be18cdab | 123 | |
722ad971 | 124 | /* LEDD */ |
d99b577c | 125 | #define METHOD_LEDD "SLCM" |
722ad971 | 126 | |
be966660 CC |
127 | /* |
128 | * Bluetooth and WLAN | |
4564de17 CC |
129 | * WLED and BLED are not handled like other XLED, because in some dsdt |
130 | * they also control the WLAN/Bluetooth device. | |
131 | */ | |
d99b577c CC |
132 | #define METHOD_WLAN "WLED" |
133 | #define METHOD_BLUETOOTH "BLED" | |
134 | #define METHOD_WL_STATUS "RSTS" | |
4564de17 | 135 | |
6b7091e7 | 136 | /* Brightness */ |
d99b577c CC |
137 | #define METHOD_BRIGHTNESS_SET "SPLV" |
138 | #define METHOD_BRIGHTNESS_GET "GPLV" | |
6b7091e7 CC |
139 | |
140 | /* Backlight */ | |
060cbce6 CC |
141 | static acpi_handle lcd_switch_handle; |
142 | static const char *lcd_switch_paths[] = { | |
143 | "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ | |
144 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
145 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
146 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
147 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
148 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ | |
149 | "\\_SB.PCI0.PX40.Q10", /* S1x */ | |
150 | "\\Q10"}; /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 151 | |
78127b4a | 152 | /* Display */ |
d99b577c | 153 | #define METHOD_SWITCH_DISPLAY "SDSP" |
060cbce6 CC |
154 | |
155 | static acpi_handle display_get_handle; | |
156 | static const char *display_get_paths[] = { | |
157 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
158 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
159 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
160 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
161 | /* A6V A6Q */ | |
162 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
163 | /* A6T, A6M */ | |
164 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
165 | /* L3C */ | |
166 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
167 | /* Z96F */ | |
168 | "\\_SB.PCI0.VGA.GETD", | |
169 | /* A2D */ | |
170 | "\\ACTD", | |
171 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
172 | "\\ADVG", | |
173 | /* P30 */ | |
174 | "\\DNXT", | |
175 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
176 | "\\INFB", | |
177 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
178 | "\\SSTE"}; | |
be966660 | 179 | |
d99b577c CC |
180 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
181 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ | |
8b857353 | 182 | |
e539c2f6 CC |
183 | /* GPS */ |
184 | /* R2H use different handle for GPS on/off */ | |
d99b577c CC |
185 | #define METHOD_GPS_ON "SDON" |
186 | #define METHOD_GPS_OFF "SDOF" | |
187 | #define METHOD_GPS_STATUS "GPST" | |
e539c2f6 | 188 | |
b7d3fbc2 | 189 | /* Keyboard light */ |
d99b577c CC |
190 | #define METHOD_KBD_LIGHT_SET "SLKB" |
191 | #define METHOD_KBD_LIGHT_GET "GLKB" | |
b7d3fbc2 | 192 | |
9129d14d CC |
193 | /* |
194 | * Define a specific led structure to keep the main structure clean | |
195 | */ | |
aee0afb8 CC |
196 | struct asus_led { |
197 | int wk; | |
198 | struct work_struct work; | |
199 | struct led_classdev led; | |
200 | struct asus_laptop *asus; | |
201 | const char *method; | |
9129d14d CC |
202 | }; |
203 | ||
85091b71 CC |
204 | /* |
205 | * This is the main structure, we can use it to store anything interesting | |
206 | * about the hotk device | |
207 | */ | |
50a90c4d | 208 | struct asus_laptop { |
be966660 | 209 | char *name; /* laptop name */ |
600ad520 | 210 | |
7c247645 | 211 | struct acpi_table_header *dsdt_info; |
600ad520 | 212 | struct platform_device *platform_device; |
7c247645 CC |
213 | struct acpi_device *device; /* the device we are in */ |
214 | struct backlight_device *backlight_device; | |
9129d14d | 215 | |
7c247645 | 216 | struct input_dev *inputdev; |
9129d14d CC |
217 | struct key_entry *keymap; |
218 | ||
aee0afb8 CC |
219 | struct asus_led mled; |
220 | struct asus_led tled; | |
221 | struct asus_led rled; | |
222 | struct asus_led pled; | |
223 | struct asus_led gled; | |
224 | struct asus_led kled; | |
225 | struct workqueue_struct *led_workqueue; | |
7c247645 | 226 | |
aa9df930 CC |
227 | int wireless_status; |
228 | bool have_rsts; | |
3e68ae7c | 229 | int lcd_state; |
aa9df930 | 230 | |
18e1311e CC |
231 | struct rfkill *gps_rfkill; |
232 | ||
be966660 | 233 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
234 | u32 ledd_status; /* status of the LED display */ |
235 | u8 light_level; /* light sensor level */ | |
236 | u8 light_switch; /* light sensor switch value */ | |
237 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a | 238 | u16 *keycode_map; |
85091b71 CC |
239 | }; |
240 | ||
9129d14d | 241 | static const struct key_entry asus_keymap[] = { |
a539df5e | 242 | /* Lenovo SL Specific keycodes */ |
66a71dd1 CC |
243 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
244 | {KE_KEY, 0x05, { KEY_WLAN } }, | |
245 | {KE_KEY, 0x08, { KEY_F13 } }, | |
246 | {KE_KEY, 0x17, { KEY_ZOOM } }, | |
247 | {KE_KEY, 0x1f, { KEY_BATTERY } }, | |
a539df5e | 248 | /* End of Lenovo SL Specific keycodes */ |
66a71dd1 CC |
249 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, |
250 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, | |
251 | {KE_KEY, 0x32, { KEY_MUTE } }, | |
252 | {KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } }, | |
253 | {KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } }, | |
254 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, | |
255 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, | |
256 | {KE_KEY, 0x43, { KEY_STOPCD } }, | |
257 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, | |
258 | {KE_KEY, 0x4c, { KEY_MEDIA } }, | |
259 | {KE_KEY, 0x50, { KEY_EMAIL } }, | |
260 | {KE_KEY, 0x51, { KEY_WWW } }, | |
261 | {KE_KEY, 0x55, { KEY_CALC } }, | |
262 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ | |
263 | {KE_KEY, 0x5D, { KEY_WLAN } }, | |
264 | {KE_KEY, 0x5E, { KEY_WLAN } }, | |
265 | {KE_KEY, 0x5F, { KEY_WLAN } }, | |
266 | {KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, | |
267 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, | |
268 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, | |
269 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, | |
270 | {KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */ | |
7f607d71 CC |
271 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, |
272 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, | |
66a71dd1 CC |
273 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
274 | {KE_KEY, 0x88, { KEY_WLAN } }, | |
275 | {KE_KEY, 0x8A, { KEY_PROG1 } }, | |
276 | {KE_KEY, 0x95, { KEY_MEDIA } }, | |
277 | {KE_KEY, 0x99, { KEY_PHONE } }, | |
278 | {KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, | |
279 | {KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, | |
034ce90a CC |
280 | {KE_END, 0}, |
281 | }; | |
282 | ||
66a71dd1 | 283 | |
85091b71 CC |
284 | /* |
285 | * This function evaluates an ACPI method, given an int as parameter, the | |
286 | * method is searched within the scope of the handle, can be NULL. The output | |
287 | * of the method is written is output, which can also be NULL | |
288 | * | |
f8d1c94b | 289 | * returns 0 if write is successful, -1 else. |
85091b71 | 290 | */ |
d8c67323 CC |
291 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
292 | struct acpi_buffer *output) | |
85091b71 | 293 | { |
be966660 CC |
294 | struct acpi_object_list params; /* list of input parameters (an int) */ |
295 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
296 | acpi_status status; |
297 | ||
f8d1c94b CC |
298 | if (!handle) |
299 | return 0; | |
300 | ||
85091b71 CC |
301 | params.count = 1; |
302 | params.pointer = &in_obj; | |
303 | in_obj.type = ACPI_TYPE_INTEGER; | |
304 | in_obj.integer.value = val; | |
305 | ||
306 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
307 | if (status == AE_OK) |
308 | return 0; | |
309 | else | |
310 | return -1; | |
85091b71 CC |
311 | } |
312 | ||
d8c67323 CC |
313 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
314 | { | |
315 | return write_acpi_int_ret(handle, method, val, NULL); | |
316 | } | |
317 | ||
d99b577c CC |
318 | static int acpi_check_handle(acpi_handle handle, const char *method, |
319 | acpi_handle *ret) | |
320 | { | |
321 | acpi_status status; | |
322 | ||
323 | if (method == NULL) | |
324 | return -ENODEV; | |
325 | ||
326 | if (ret) | |
327 | status = acpi_get_handle(handle, (char *)method, | |
328 | ret); | |
329 | else { | |
330 | acpi_handle dummy; | |
331 | ||
332 | status = acpi_get_handle(handle, (char *)method, | |
333 | &dummy); | |
334 | } | |
335 | ||
336 | if (status != AE_OK) { | |
337 | if (ret) | |
338 | pr_warning("Error finding %s\n", method); | |
339 | return -ENODEV; | |
340 | } | |
341 | return 0; | |
342 | } | |
343 | ||
17e78f62 | 344 | /* Generic LED function */ |
aee0afb8 | 345 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
17e78f62 | 346 | int value) |
be18cdab | 347 | { |
d99b577c | 348 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 349 | value = !value; |
d99b577c | 350 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
351 | value = !value + 1; |
352 | else | |
353 | value = !!value; | |
be18cdab | 354 | |
e5593bf1 | 355 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
356 | } |
357 | ||
be4ee82d CC |
358 | /* |
359 | * LEDs | |
360 | */ | |
be18cdab | 361 | /* /sys/class/led handlers */ |
aee0afb8 CC |
362 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
363 | enum led_brightness value) | |
364 | { | |
365 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); | |
366 | struct asus_laptop *asus = led->asus; | |
367 | ||
368 | led->wk = !!value; | |
369 | queue_work(asus->led_workqueue, &led->work); | |
370 | } | |
be18cdab | 371 | |
aee0afb8 CC |
372 | static void asus_led_cdev_update(struct work_struct *work) |
373 | { | |
374 | struct asus_led *led = container_of(work, struct asus_led, work); | |
375 | struct asus_laptop *asus = led->asus; | |
376 | ||
377 | asus_led_set(asus, led->method, led->wk); | |
378 | } | |
379 | ||
380 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) | |
381 | { | |
382 | return led_cdev->brightness; | |
383 | } | |
be18cdab | 384 | |
b7d3fbc2 | 385 | /* |
be4ee82d | 386 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 387 | */ |
d99b577c | 388 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
389 | { |
390 | unsigned long long kblv; | |
391 | struct acpi_object_list params; | |
392 | union acpi_object in_obj; | |
393 | acpi_status rv; | |
394 | ||
395 | params.count = 1; | |
396 | params.pointer = &in_obj; | |
397 | in_obj.type = ACPI_TYPE_INTEGER; | |
398 | in_obj.integer.value = 2; | |
399 | ||
d99b577c CC |
400 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
401 | ¶ms, &kblv); | |
b7d3fbc2 CC |
402 | if (ACPI_FAILURE(rv)) { |
403 | pr_warning("Error reading kled level\n"); | |
4d441513 | 404 | return -ENODEV; |
b7d3fbc2 CC |
405 | } |
406 | return kblv; | |
407 | } | |
408 | ||
4d441513 | 409 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
410 | { |
411 | if (kblv > 0) | |
412 | kblv = (1 << 7) | (kblv & 0x7F); | |
413 | else | |
414 | kblv = 0; | |
415 | ||
d99b577c | 416 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
b7d3fbc2 CC |
417 | pr_warning("Keyboard LED display write failed\n"); |
418 | return -EINVAL; | |
419 | } | |
420 | return 0; | |
421 | } | |
422 | ||
aee0afb8 CC |
423 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
424 | enum led_brightness value) | |
b7d3fbc2 | 425 | { |
aee0afb8 CC |
426 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
427 | struct asus_laptop *asus = led->asus; | |
9129d14d | 428 | |
060cbce6 | 429 | led->wk = value; |
aee0afb8 | 430 | queue_work(asus->led_workqueue, &led->work); |
b7d3fbc2 CC |
431 | } |
432 | ||
aee0afb8 | 433 | static void asus_kled_cdev_update(struct work_struct *work) |
b7d3fbc2 | 434 | { |
aee0afb8 CC |
435 | struct asus_led *led = container_of(work, struct asus_led, work); |
436 | struct asus_laptop *asus = led->asus; | |
9129d14d | 437 | |
aee0afb8 | 438 | asus_kled_set(asus, led->wk); |
b7d3fbc2 CC |
439 | } |
440 | ||
aee0afb8 | 441 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
b7d3fbc2 | 442 | { |
aee0afb8 CC |
443 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
444 | struct asus_laptop *asus = led->asus; | |
d99b577c CC |
445 | |
446 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
447 | } |
448 | ||
be4ee82d CC |
449 | static void asus_led_exit(struct asus_laptop *asus) |
450 | { | |
aee0afb8 CC |
451 | if (asus->mled.led.dev) |
452 | led_classdev_unregister(&asus->mled.led); | |
453 | if (asus->tled.led.dev) | |
454 | led_classdev_unregister(&asus->tled.led); | |
455 | if (asus->pled.led.dev) | |
456 | led_classdev_unregister(&asus->pled.led); | |
457 | if (asus->rled.led.dev) | |
458 | led_classdev_unregister(&asus->rled.led); | |
459 | if (asus->gled.led.dev) | |
460 | led_classdev_unregister(&asus->gled.led); | |
461 | if (asus->kled.led.dev) | |
462 | led_classdev_unregister(&asus->kled.led); | |
463 | if (asus->led_workqueue) { | |
464 | destroy_workqueue(asus->led_workqueue); | |
465 | asus->led_workqueue = NULL; | |
be4ee82d CC |
466 | } |
467 | } | |
468 | ||
469 | /* Ugly macro, need to fix that later */ | |
aee0afb8 CC |
470 | static int asus_led_register(struct asus_laptop *asus, |
471 | struct asus_led *led, | |
472 | const char *name, const char *method) | |
473 | { | |
474 | struct led_classdev *led_cdev = &led->led; | |
475 | ||
476 | if (!method || acpi_check_handle(asus->handle, method, NULL)) | |
060cbce6 | 477 | return 0; /* Led not present */ |
aee0afb8 CC |
478 | |
479 | led->asus = asus; | |
480 | led->method = method; | |
481 | ||
482 | INIT_WORK(&led->work, asus_led_cdev_update); | |
483 | led_cdev->name = name; | |
484 | led_cdev->brightness_set = asus_led_cdev_set; | |
485 | led_cdev->brightness_get = asus_led_cdev_get; | |
486 | led_cdev->max_brightness = 1; | |
487 | return led_classdev_register(&asus->platform_device->dev, led_cdev); | |
488 | } | |
be4ee82d CC |
489 | |
490 | static int asus_led_init(struct asus_laptop *asus) | |
491 | { | |
aee0afb8 | 492 | int r; |
be4ee82d CC |
493 | |
494 | /* | |
495 | * Functions that actually update the LED's are called from a | |
496 | * workqueue. By doing this as separate work rather than when the LED | |
497 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
498 | * potentially bad time, such as a timer interrupt. | |
499 | */ | |
aee0afb8 CC |
500 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
501 | if (!asus->led_workqueue) | |
be4ee82d CC |
502 | return -ENOMEM; |
503 | ||
aee0afb8 CC |
504 | r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED); |
505 | if (r) | |
506 | goto error; | |
507 | r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED); | |
508 | if (r) | |
509 | goto error; | |
510 | r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED); | |
511 | if (r) | |
512 | goto error; | |
513 | r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED); | |
514 | if (r) | |
515 | goto error; | |
516 | r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED); | |
517 | if (r) | |
518 | goto error; | |
d99b577c | 519 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
aee0afb8 CC |
520 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
521 | struct asus_led *led = &asus->kled; | |
522 | struct led_classdev *cdev = &led->led; | |
523 | ||
524 | led->asus = asus; | |
525 | ||
526 | INIT_WORK(&led->work, asus_kled_cdev_update); | |
527 | cdev->name = "asus::kbd_backlight"; | |
528 | cdev->brightness_set = asus_kled_cdev_set; | |
529 | cdev->brightness_get = asus_kled_cdev_get; | |
530 | cdev->max_brightness = 3; | |
531 | r = led_classdev_register(&asus->platform_device->dev, cdev); | |
532 | } | |
be4ee82d | 533 | error: |
aee0afb8 | 534 | if (r) |
be4ee82d | 535 | asus_led_exit(asus); |
aee0afb8 | 536 | return r; |
be4ee82d CC |
537 | } |
538 | ||
539 | /* | |
540 | * Backlight device | |
541 | */ | |
3e68ae7c | 542 | static int asus_lcd_status(struct asus_laptop *asus) |
6b7091e7 | 543 | { |
3e68ae7c | 544 | return asus->lcd_state; |
6b7091e7 CC |
545 | } |
546 | ||
3e68ae7c | 547 | static int asus_lcd_set(struct asus_laptop *asus, int value) |
6b7091e7 CC |
548 | { |
549 | int lcd = 0; | |
550 | acpi_status status = 0; | |
551 | ||
3e68ae7c | 552 | lcd = !!value; |
6b7091e7 | 553 | |
3e68ae7c | 554 | if (lcd == asus_lcd_status(asus)) |
6b7091e7 CC |
555 | return 0; |
556 | ||
3e68ae7c CC |
557 | if (!lcd_switch_handle) |
558 | return -ENODEV; | |
559 | ||
560 | status = acpi_evaluate_object(lcd_switch_handle, | |
561 | NULL, NULL, NULL); | |
6b7091e7 | 562 | |
3e68ae7c CC |
563 | if (ACPI_FAILURE(status)) { |
564 | pr_warning("Error switching LCD\n"); | |
565 | return -ENODEV; | |
6b7091e7 CC |
566 | } |
567 | ||
3e68ae7c | 568 | asus->lcd_state = lcd; |
6b7091e7 CC |
569 | return 0; |
570 | } | |
571 | ||
9129d14d | 572 | static void lcd_blank(struct asus_laptop *asus, int blank) |
6b7091e7 | 573 | { |
7c247645 | 574 | struct backlight_device *bd = asus->backlight_device; |
6b7091e7 | 575 | |
3e68ae7c CC |
576 | asus->lcd_state = (blank == FB_BLANK_UNBLANK); |
577 | ||
8def05fa | 578 | if (bd) { |
599a52d1 | 579 | bd->props.power = blank; |
28ee086d | 580 | backlight_update_status(bd); |
6b7091e7 CC |
581 | } |
582 | } | |
583 | ||
4d441513 | 584 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 585 | { |
d99b577c | 586 | struct asus_laptop *asus = bl_get_data(bd); |
27663c58 | 587 | unsigned long long value; |
9a816850 | 588 | acpi_status rv = AE_OK; |
6b7091e7 | 589 | |
d99b577c CC |
590 | rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, |
591 | NULL, &value); | |
9a816850 | 592 | if (ACPI_FAILURE(rv)) |
2fcc23da | 593 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
594 | |
595 | return value; | |
596 | } | |
597 | ||
4d441513 | 598 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 599 | { |
d99b577c CC |
600 | struct asus_laptop *asus = bl_get_data(bd); |
601 | ||
602 | if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) { | |
2fcc23da | 603 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 604 | return -EIO; |
6b7091e7 | 605 | } |
e5b50f6a | 606 | return 0; |
6b7091e7 CC |
607 | } |
608 | ||
609 | static int update_bl_status(struct backlight_device *bd) | |
610 | { | |
9129d14d | 611 | struct asus_laptop *asus = bl_get_data(bd); |
6b7091e7 | 612 | int rv; |
599a52d1 | 613 | int value = bd->props.brightness; |
6b7091e7 | 614 | |
4d441513 | 615 | rv = asus_set_brightness(bd, value); |
8def05fa | 616 | if (rv) |
6b7091e7 CC |
617 | return rv; |
618 | ||
599a52d1 | 619 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
3e68ae7c | 620 | return asus_lcd_set(asus, value); |
6b7091e7 CC |
621 | } |
622 | ||
be4ee82d | 623 | static struct backlight_ops asusbl_ops = { |
4d441513 | 624 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
625 | .update_status = update_bl_status, |
626 | }; | |
627 | ||
a539df5e CC |
628 | static int asus_backlight_notify(struct asus_laptop *asus) |
629 | { | |
630 | struct backlight_device *bd = asus->backlight_device; | |
631 | int old = bd->props.brightness; | |
632 | ||
633 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
634 | ||
635 | return old; | |
636 | } | |
637 | ||
be4ee82d CC |
638 | static int asus_backlight_init(struct asus_laptop *asus) |
639 | { | |
640 | struct backlight_device *bd; | |
641 | struct device *dev = &asus->platform_device->dev; | |
a19a6ee6 | 642 | struct backlight_properties props; |
be4ee82d | 643 | |
d99b577c CC |
644 | if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) && |
645 | !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) && | |
646 | lcd_switch_handle) { | |
a19a6ee6 MG |
647 | memset(&props, 0, sizeof(struct backlight_properties)); |
648 | props.max_brightness = 15; | |
649 | ||
be4ee82d | 650 | bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, |
a19a6ee6 | 651 | asus, &asusbl_ops, &props); |
be4ee82d CC |
652 | if (IS_ERR(bd)) { |
653 | pr_err("Could not register asus backlight device\n"); | |
654 | asus->backlight_device = NULL; | |
655 | return PTR_ERR(bd); | |
656 | } | |
657 | ||
658 | asus->backlight_device = bd; | |
659 | ||
be4ee82d | 660 | bd->props.power = FB_BLANK_UNBLANK; |
d99b577c | 661 | bd->props.brightness = asus_read_brightness(bd); |
be4ee82d CC |
662 | backlight_update_status(bd); |
663 | } | |
664 | return 0; | |
665 | } | |
666 | ||
667 | static void asus_backlight_exit(struct asus_laptop *asus) | |
668 | { | |
669 | if (asus->backlight_device) | |
670 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 671 | asus->backlight_device = NULL; |
be4ee82d CC |
672 | } |
673 | ||
85091b71 CC |
674 | /* |
675 | * Platform device handlers | |
676 | */ | |
677 | ||
678 | /* | |
679 | * We write our info in page, we begin at offset off and cannot write more | |
680 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
681 | * number of bytes written in page | |
682 | */ | |
683 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 684 | struct device_attribute *attr, char *page) |
85091b71 | 685 | { |
9129d14d | 686 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 687 | int len = 0; |
27663c58 | 688 | unsigned long long temp; |
be966660 | 689 | char buf[16]; /* enough for all info */ |
9a816850 CC |
690 | acpi_status rv = AE_OK; |
691 | ||
85091b71 | 692 | /* |
060cbce6 CC |
693 | * We use the easy way, we don't care of off and count, |
694 | * so we don't set eof to 1 | |
85091b71 CC |
695 | */ |
696 | ||
50a90c4d CC |
697 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
698 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
699 | /* |
700 | * The SFUN method probably allows the original driver to get the list | |
701 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
702 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
703 | * The significance of others is yet to be found. | |
704 | */ | |
50a90c4d | 705 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 706 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
707 | len += sprintf(page + len, "SFUN value : %#x\n", |
708 | (uint) temp); | |
709 | /* | |
710 | * The HWRS method return informations about the hardware. | |
711 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
712 | * The significance of others is yet to be found. | |
713 | * If we don't find the method, we assume the device are present. | |
714 | */ | |
50a90c4d | 715 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
716 | if (!ACPI_FAILURE(rv)) |
717 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 718 | (uint) temp); |
85091b71 CC |
719 | /* |
720 | * Another value for userspace: the ASYM method returns 0x02 for | |
721 | * battery low and 0x04 for battery critical, its readings tend to be | |
722 | * more accurate than those provided by _BST. | |
723 | * Note: since not all the laptops provide this method, errors are | |
724 | * silently ignored. | |
725 | */ | |
50a90c4d | 726 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 727 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 728 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 729 | (uint) temp); |
7c247645 CC |
730 | if (asus->dsdt_info) { |
731 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 732 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 733 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 734 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 735 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 736 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 737 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 738 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 739 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 740 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 741 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 742 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 743 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 744 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 745 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
746 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
747 | } | |
748 | ||
749 | return len; | |
750 | } | |
751 | ||
752 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
753 | { | |
754 | if (!count) | |
755 | return 0; | |
756 | if (count > 31) | |
757 | return -EINVAL; | |
758 | if (sscanf(buf, "%i", val) != 1) | |
759 | return -EINVAL; | |
760 | return count; | |
761 | } | |
762 | ||
17e78f62 CC |
763 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
764 | const char *buf, size_t count, | |
d99b577c | 765 | const char *method) |
4564de17 CC |
766 | { |
767 | int rv, value; | |
768 | int out = 0; | |
769 | ||
770 | rv = parse_arg(buf, count, &value); | |
771 | if (rv > 0) | |
772 | out = value ? 1 : 0; | |
773 | ||
d99b577c | 774 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 775 | return -ENODEV; |
4564de17 CC |
776 | return rv; |
777 | } | |
778 | ||
722ad971 CC |
779 | /* |
780 | * LEDD display | |
781 | */ | |
782 | static ssize_t show_ledd(struct device *dev, | |
783 | struct device_attribute *attr, char *buf) | |
784 | { | |
9129d14d CC |
785 | struct asus_laptop *asus = dev_get_drvdata(dev); |
786 | ||
50a90c4d | 787 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
788 | } |
789 | ||
790 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
791 | const char *buf, size_t count) | |
792 | { | |
9129d14d | 793 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
794 | int rv, value; |
795 | ||
796 | rv = parse_arg(buf, count, &value); | |
797 | if (rv > 0) { | |
d99b577c | 798 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) |
2fcc23da | 799 | pr_warning("LED display write failed\n"); |
722ad971 | 800 | else |
50a90c4d | 801 | asus->ledd_status = (u32) value; |
722ad971 CC |
802 | } |
803 | return rv; | |
804 | } | |
805 | ||
aa9df930 CC |
806 | /* |
807 | * Wireless | |
808 | */ | |
809 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
810 | { | |
811 | unsigned long long status; | |
812 | acpi_status rv = AE_OK; | |
813 | ||
814 | if (!asus->have_rsts) | |
815 | return (asus->wireless_status & mask) ? 1 : 0; | |
816 | ||
d99b577c CC |
817 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
818 | NULL, &status); | |
aa9df930 CC |
819 | if (ACPI_FAILURE(rv)) { |
820 | pr_warning("Error reading Wireless status\n"); | |
821 | return -EINVAL; | |
822 | } | |
823 | return !!(status & mask); | |
824 | } | |
825 | ||
4564de17 CC |
826 | /* |
827 | * WLAN | |
828 | */ | |
e5593bf1 CC |
829 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
830 | { | |
831 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
832 | pr_warning("Error setting wlan status to %d", status); | |
833 | return -EIO; | |
834 | } | |
835 | return 0; | |
836 | } | |
837 | ||
4564de17 CC |
838 | static ssize_t show_wlan(struct device *dev, |
839 | struct device_attribute *attr, char *buf) | |
840 | { | |
9129d14d CC |
841 | struct asus_laptop *asus = dev_get_drvdata(dev); |
842 | ||
17e78f62 | 843 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
844 | } |
845 | ||
846 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
847 | const char *buf, size_t count) | |
848 | { | |
9129d14d CC |
849 | struct asus_laptop *asus = dev_get_drvdata(dev); |
850 | ||
d99b577c | 851 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
852 | } |
853 | ||
854 | /* | |
855 | * Bluetooth | |
856 | */ | |
e5593bf1 CC |
857 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
858 | { | |
859 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
860 | pr_warning("Error setting bluetooth status to %d", status); | |
861 | return -EIO; | |
862 | } | |
863 | return 0; | |
864 | } | |
865 | ||
4564de17 CC |
866 | static ssize_t show_bluetooth(struct device *dev, |
867 | struct device_attribute *attr, char *buf) | |
868 | { | |
9129d14d CC |
869 | struct asus_laptop *asus = dev_get_drvdata(dev); |
870 | ||
17e78f62 | 871 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
872 | } |
873 | ||
8def05fa LB |
874 | static ssize_t store_bluetooth(struct device *dev, |
875 | struct device_attribute *attr, const char *buf, | |
876 | size_t count) | |
4564de17 | 877 | { |
9129d14d CC |
878 | struct asus_laptop *asus = dev_get_drvdata(dev); |
879 | ||
d99b577c | 880 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
881 | } |
882 | ||
78127b4a CC |
883 | /* |
884 | * Display | |
885 | */ | |
4d441513 | 886 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
887 | { |
888 | /* no sanity check needed for now */ | |
d99b577c | 889 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 890 | pr_warning("Error setting display\n"); |
78127b4a CC |
891 | return; |
892 | } | |
893 | ||
9129d14d | 894 | static int read_display(struct asus_laptop *asus) |
78127b4a | 895 | { |
27663c58 | 896 | unsigned long long value = 0; |
9a816850 | 897 | acpi_status rv = AE_OK; |
78127b4a | 898 | |
be966660 CC |
899 | /* |
900 | * In most of the case, we know how to set the display, but sometime | |
901 | * we can't read it | |
902 | */ | |
8def05fa | 903 | if (display_get_handle) { |
9a816850 CC |
904 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
905 | NULL, &value); | |
906 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 907 | pr_warning("Error reading display status\n"); |
78127b4a CC |
908 | } |
909 | ||
060cbce6 | 910 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ |
78127b4a CC |
911 | |
912 | return value; | |
913 | } | |
8def05fa | 914 | |
78127b4a CC |
915 | /* |
916 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
917 | * complained. The significance of bits is the same as in store_disp() | |
918 | */ | |
919 | static ssize_t show_disp(struct device *dev, | |
920 | struct device_attribute *attr, char *buf) | |
921 | { | |
9129d14d CC |
922 | struct asus_laptop *asus = dev_get_drvdata(dev); |
923 | ||
2a1fd64c CC |
924 | if (!display_get_handle) |
925 | return -ENODEV; | |
9129d14d | 926 | return sprintf(buf, "%d\n", read_display(asus)); |
78127b4a CC |
927 | } |
928 | ||
929 | /* | |
930 | * Experimental support for display switching. As of now: 1 should activate | |
931 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
932 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
933 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
934 | * for more info. | |
935 | */ | |
936 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
937 | const char *buf, size_t count) | |
938 | { | |
9129d14d | 939 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
940 | int rv, value; |
941 | ||
942 | rv = parse_arg(buf, count, &value); | |
943 | if (rv > 0) | |
4d441513 | 944 | asus_set_display(asus, value); |
78127b4a CC |
945 | return rv; |
946 | } | |
947 | ||
8b857353 CC |
948 | /* |
949 | * Light Sens | |
950 | */ | |
4d441513 | 951 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 952 | { |
d99b577c | 953 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 954 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 955 | asus->light_switch = value; |
8b857353 CC |
956 | } |
957 | ||
958 | static ssize_t show_lssw(struct device *dev, | |
959 | struct device_attribute *attr, char *buf) | |
960 | { | |
9129d14d CC |
961 | struct asus_laptop *asus = dev_get_drvdata(dev); |
962 | ||
50a90c4d | 963 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
964 | } |
965 | ||
966 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
967 | const char *buf, size_t count) | |
968 | { | |
9129d14d | 969 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
970 | int rv, value; |
971 | ||
972 | rv = parse_arg(buf, count, &value); | |
973 | if (rv > 0) | |
4d441513 | 974 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
975 | |
976 | return rv; | |
977 | } | |
978 | ||
4d441513 | 979 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 980 | { |
d99b577c | 981 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 982 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 983 | asus->light_level = value; |
8b857353 CC |
984 | } |
985 | ||
986 | static ssize_t show_lslvl(struct device *dev, | |
987 | struct device_attribute *attr, char *buf) | |
988 | { | |
9129d14d CC |
989 | struct asus_laptop *asus = dev_get_drvdata(dev); |
990 | ||
50a90c4d | 991 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
992 | } |
993 | ||
994 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
995 | const char *buf, size_t count) | |
996 | { | |
9129d14d | 997 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
998 | int rv, value; |
999 | ||
1000 | rv = parse_arg(buf, count, &value); | |
1001 | if (rv > 0) { | |
1002 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
1003 | /* 0 <= value <= 15 */ | |
4d441513 | 1004 | asus_als_level(asus, value); |
8b857353 CC |
1005 | } |
1006 | ||
1007 | return rv; | |
1008 | } | |
1009 | ||
e539c2f6 CC |
1010 | /* |
1011 | * GPS | |
1012 | */ | |
6358bf2c CC |
1013 | static int asus_gps_status(struct asus_laptop *asus) |
1014 | { | |
1015 | unsigned long long status; | |
1016 | acpi_status rv = AE_OK; | |
1017 | ||
d99b577c CC |
1018 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
1019 | NULL, &status); | |
6358bf2c CC |
1020 | if (ACPI_FAILURE(rv)) { |
1021 | pr_warning("Error reading GPS status\n"); | |
1022 | return -ENODEV; | |
1023 | } | |
1024 | return !!status; | |
1025 | } | |
1026 | ||
1027 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
1028 | { | |
d99b577c | 1029 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 1030 | |
d99b577c | 1031 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
1032 | return -ENODEV; |
1033 | return 0; | |
1034 | } | |
1035 | ||
e539c2f6 CC |
1036 | static ssize_t show_gps(struct device *dev, |
1037 | struct device_attribute *attr, char *buf) | |
1038 | { | |
9129d14d CC |
1039 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1040 | ||
6358bf2c | 1041 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1042 | } |
1043 | ||
1044 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1045 | const char *buf, size_t count) | |
1046 | { | |
060cbce6 | 1047 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1048 | int rv, value; |
1049 | int ret; | |
9129d14d | 1050 | |
6358bf2c CC |
1051 | rv = parse_arg(buf, count, &value); |
1052 | if (rv <= 0) | |
1053 | return -EINVAL; | |
1054 | ret = asus_gps_switch(asus, !!value); | |
1055 | if (ret) | |
1056 | return ret; | |
18e1311e | 1057 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1058 | return rv; |
e539c2f6 CC |
1059 | } |
1060 | ||
18e1311e CC |
1061 | /* |
1062 | * rfkill | |
1063 | */ | |
1064 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1065 | { | |
1066 | acpi_handle handle = data; | |
1067 | ||
1068 | return asus_gps_switch(handle, !blocked); | |
1069 | } | |
1070 | ||
1071 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1072 | .set_block = asus_gps_rfkill_set, | |
1073 | }; | |
1074 | ||
1075 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1076 | { | |
1077 | if (asus->gps_rfkill) { | |
1078 | rfkill_unregister(asus->gps_rfkill); | |
1079 | rfkill_destroy(asus->gps_rfkill); | |
1080 | asus->gps_rfkill = NULL; | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1085 | { | |
1086 | int result; | |
1087 | ||
1088 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1089 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1090 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1091 | return 0; | |
1092 | ||
1093 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1094 | RFKILL_TYPE_GPS, | |
1095 | &asus_gps_rfkill_ops, NULL); | |
1096 | if (!asus->gps_rfkill) | |
1097 | return -EINVAL; | |
1098 | ||
1099 | result = rfkill_register(asus->gps_rfkill); | |
1100 | if (result) { | |
1101 | rfkill_destroy(asus->gps_rfkill); | |
1102 | asus->gps_rfkill = NULL; | |
1103 | } | |
1104 | ||
1105 | return result; | |
1106 | } | |
1107 | ||
034ce90a | 1108 | /* |
be4ee82d | 1109 | * Input device (i.e. hotkeys) |
034ce90a | 1110 | */ |
be4ee82d CC |
1111 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1112 | { | |
66a71dd1 CC |
1113 | if (asus->inputdev) |
1114 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1115 | } |
1116 | ||
1117 | static int asus_input_init(struct asus_laptop *asus) | |
1118 | { | |
66a71dd1 CC |
1119 | struct input_dev *input; |
1120 | int error; | |
be4ee82d | 1121 | |
66a71dd1 CC |
1122 | input = input_allocate_device(); |
1123 | if (!input) { | |
be4ee82d CC |
1124 | pr_info("Unable to allocate input device\n"); |
1125 | return 0; | |
1126 | } | |
66a71dd1 CC |
1127 | input->name = "Asus Laptop extra buttons"; |
1128 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1129 | input->id.bustype = BUS_HOST; | |
1130 | input->dev.parent = &asus->platform_device->dev; | |
1131 | input_set_drvdata(input, asus); | |
1132 | ||
1133 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1134 | if (error) { | |
1135 | pr_err("Unable to setup input device keymap\n"); | |
1136 | goto err_keymap; | |
be4ee82d | 1137 | } |
66a71dd1 CC |
1138 | error = input_register_device(input); |
1139 | if (error) { | |
be4ee82d | 1140 | pr_info("Unable to register input device\n"); |
66a71dd1 | 1141 | goto err_device; |
be4ee82d | 1142 | } |
66a71dd1 CC |
1143 | |
1144 | asus->inputdev = input; | |
1145 | return 0; | |
1146 | ||
1147 | err_keymap: | |
1148 | sparse_keymap_free(input); | |
1149 | err_device: | |
1150 | input_free_device(input); | |
1151 | return error; | |
be4ee82d CC |
1152 | } |
1153 | ||
1154 | static void asus_input_exit(struct asus_laptop *asus) | |
1155 | { | |
66a71dd1 CC |
1156 | if (asus->inputdev) { |
1157 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1158 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1159 | } |
be4ee82d CC |
1160 | } |
1161 | ||
1162 | /* | |
1163 | * ACPI driver | |
1164 | */ | |
600ad520 | 1165 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1166 | { |
9129d14d | 1167 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1168 | u16 count; |
034ce90a | 1169 | |
6b7091e7 CC |
1170 | /* |
1171 | * We need to tell the backlight device when the backlight power is | |
1172 | * switched | |
1173 | */ | |
3e68ae7c | 1174 | if (event == ATKD_LCD_ON) |
9129d14d | 1175 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1176 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1177 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1178 | |
619d8b11 | 1179 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1180 | count = asus->event_count[event % 128]++; |
1181 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1182 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1183 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1184 | count); |
85091b71 | 1185 | |
a539df5e CC |
1186 | /* Brightness events are special */ |
1187 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1188 | ||
1189 | /* Ignore them completely if the acpi video driver is used */ | |
1190 | if (asus->backlight_device != NULL) { | |
1191 | /* Update the backlight device. */ | |
1192 | asus_backlight_notify(asus); | |
1193 | } | |
1194 | return ; | |
1195 | } | |
be4ee82d | 1196 | asus_input_notify(asus, event); |
85091b71 CC |
1197 | } |
1198 | ||
2a1fd64c CC |
1199 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1200 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
1201 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth, | |
1202 | store_bluetooth); | |
1203 | static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); | |
1204 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); | |
1205 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1206 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1207 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1208 | ||
1209 | static void asus_sysfs_exit(struct asus_laptop *asus) | |
1210 | { | |
1211 | struct platform_device *device = asus->platform_device; | |
1212 | ||
1213 | device_remove_file(&device->dev, &dev_attr_infos); | |
1214 | device_remove_file(&device->dev, &dev_attr_wlan); | |
1215 | device_remove_file(&device->dev, &dev_attr_bluetooth); | |
1216 | device_remove_file(&device->dev, &dev_attr_display); | |
1217 | device_remove_file(&device->dev, &dev_attr_ledd); | |
1218 | device_remove_file(&device->dev, &dev_attr_ls_switch); | |
1219 | device_remove_file(&device->dev, &dev_attr_ls_level); | |
1220 | device_remove_file(&device->dev, &dev_attr_gps); | |
1221 | } | |
1222 | ||
1223 | static int asus_sysfs_init(struct asus_laptop *asus) | |
1224 | { | |
1225 | struct platform_device *device = asus->platform_device; | |
1226 | int err; | |
1227 | ||
1228 | err = device_create_file(&device->dev, &dev_attr_infos); | |
1229 | if (err) | |
1230 | return err; | |
1231 | ||
1232 | if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) { | |
1233 | err = device_create_file(&device->dev, &dev_attr_wlan); | |
1234 | if (err) | |
1235 | return err; | |
85091b71 CC |
1236 | } |
1237 | ||
2a1fd64c CC |
1238 | if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) { |
1239 | err = device_create_file(&device->dev, &dev_attr_bluetooth); | |
1240 | if (err) | |
1241 | return err; | |
1242 | } | |
85091b71 | 1243 | |
2a1fd64c CC |
1244 | if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) { |
1245 | err = device_create_file(&device->dev, &dev_attr_display); | |
1246 | if (err) | |
1247 | return err; | |
1248 | } | |
1249 | ||
1250 | if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) { | |
1251 | err = device_create_file(&device->dev, &dev_attr_ledd); | |
1252 | if (err) | |
1253 | return err; | |
1254 | } | |
1255 | ||
1256 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && | |
1257 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
1258 | err = device_create_file(&device->dev, &dev_attr_ls_switch); | |
1259 | if (err) | |
1260 | return err; | |
1261 | err = device_create_file(&device->dev, &dev_attr_ls_level); | |
1262 | if (err) | |
1263 | return err; | |
1264 | } | |
1265 | ||
1266 | if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) && | |
1267 | !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) && | |
1268 | !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) { | |
1269 | err = device_create_file(&device->dev, &dev_attr_gps); | |
1270 | if (err) | |
1271 | return err; | |
1272 | } | |
1273 | ||
1274 | return err; | |
1275 | } | |
85091b71 | 1276 | |
9129d14d | 1277 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1278 | { |
2a1fd64c | 1279 | int err; |
600ad520 | 1280 | |
50a90c4d CC |
1281 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1282 | if (!asus->platform_device) | |
600ad520 | 1283 | return -ENOMEM; |
9129d14d | 1284 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1285 | |
2a1fd64c CC |
1286 | err = platform_device_add(asus->platform_device); |
1287 | if (err) | |
600ad520 CC |
1288 | goto fail_platform_device; |
1289 | ||
2a1fd64c CC |
1290 | err = asus_sysfs_init(asus); |
1291 | if (err) | |
600ad520 CC |
1292 | goto fail_sysfs; |
1293 | return 0; | |
1294 | ||
1295 | fail_sysfs: | |
2a1fd64c | 1296 | asus_sysfs_exit(asus); |
50a90c4d | 1297 | platform_device_del(asus->platform_device); |
600ad520 | 1298 | fail_platform_device: |
50a90c4d | 1299 | platform_device_put(asus->platform_device); |
2a1fd64c | 1300 | return err; |
600ad520 CC |
1301 | } |
1302 | ||
9129d14d | 1303 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1304 | { |
2a1fd64c | 1305 | asus_sysfs_exit(asus); |
50a90c4d | 1306 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1307 | } |
1308 | ||
1309 | static struct platform_driver platform_driver = { | |
8def05fa | 1310 | .driver = { |
9129d14d CC |
1311 | .name = ASUS_LAPTOP_FILE, |
1312 | .owner = THIS_MODULE, | |
1313 | } | |
85091b71 CC |
1314 | }; |
1315 | ||
8def05fa | 1316 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1317 | char **paths, int num_paths) |
1318 | { | |
1319 | int i; | |
1320 | acpi_status status; | |
1321 | ||
1322 | for (i = 0; i < num_paths; i++) { | |
1323 | status = acpi_get_handle(NULL, paths[i], handle); | |
1324 | if (ACPI_SUCCESS(status)) | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | *handle = NULL; | |
1329 | return -ENODEV; | |
1330 | } | |
1331 | ||
1332 | #define ASUS_HANDLE_INIT(object) \ | |
1333 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1334 | ARRAY_SIZE(object##_paths)) | |
1335 | ||
85091b71 | 1336 | /* |
50a90c4d CC |
1337 | * This function is used to initialize the context with right values. In this |
1338 | * method, we can make all the detection we want, and modify the asus_laptop | |
1339 | * struct | |
85091b71 | 1340 | */ |
7c247645 | 1341 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1342 | { |
1343 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1344 | union acpi_object *model = NULL; |
27663c58 | 1345 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1346 | char *string = NULL; |
1347 | acpi_status status; | |
1348 | ||
1349 | /* | |
1350 | * Get DSDT headers early enough to allow for differentiating between | |
1351 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1352 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1353 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1354 | * HID), this bit will be moved. |
85091b71 | 1355 | */ |
7c247645 | 1356 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1357 | if (ACPI_FAILURE(status)) |
2fcc23da | 1358 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1359 | |
1360 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1361 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1362 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1363 | return -ENODEV; |
1364 | } | |
1365 | ||
1366 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1367 | status = |
50a90c4d | 1368 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1369 | if (ACPI_FAILURE(status)) |
2fcc23da | 1370 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1371 | else if (bsts_result) |
2fcc23da | 1372 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1373 | (uint) bsts_result); |
85091b71 | 1374 | |
185e5af9 | 1375 | /* This too ... */ |
e5593bf1 CC |
1376 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1377 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1378 | /* |
1379 | * Try to match the object returned by INIT to the specific model. | |
1380 | * Handle every possible object (or the lack of thereof) the DSDT | |
1381 | * writers might throw at us. When in trouble, we pass NULL to | |
1382 | * asus_model_match() and try something completely different. | |
1383 | */ | |
1384 | if (buffer.pointer) { | |
1385 | model = buffer.pointer; | |
1386 | switch (model->type) { | |
1387 | case ACPI_TYPE_STRING: | |
1388 | string = model->string.pointer; | |
1389 | break; | |
1390 | case ACPI_TYPE_BUFFER: | |
1391 | string = model->buffer.pointer; | |
1392 | break; | |
1393 | default: | |
1394 | string = ""; | |
1395 | break; | |
1396 | } | |
1397 | } | |
50a90c4d CC |
1398 | asus->name = kstrdup(string, GFP_KERNEL); |
1399 | if (!asus->name) | |
85091b71 CC |
1400 | return -ENOMEM; |
1401 | ||
8def05fa | 1402 | if (*string) |
2fcc23da | 1403 | pr_notice(" %s model detected\n", string); |
85091b71 | 1404 | |
4564de17 CC |
1405 | /* |
1406 | * The HWRS method return informations about the hardware. | |
1407 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1408 | * The significance of others is yet to be found. | |
4564de17 | 1409 | */ |
9a816850 | 1410 | status = |
50a90c4d | 1411 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1412 | if (!ACPI_FAILURE(status)) |
1413 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1414 | |
d99b577c | 1415 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1416 | asus->have_rsts = true; |
4564de17 | 1417 | |
d99b577c | 1418 | /* Scheduled for removal */ |
6b7091e7 | 1419 | ASUS_HANDLE_INIT(lcd_switch); |
78127b4a CC |
1420 | ASUS_HANDLE_INIT(display_get); |
1421 | ||
85091b71 CC |
1422 | kfree(model); |
1423 | ||
1424 | return AE_OK; | |
1425 | } | |
1426 | ||
600ad520 CC |
1427 | static bool asus_device_present; |
1428 | ||
9129d14d | 1429 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1430 | { |
600ad520 | 1431 | int result = 0; |
85091b71 | 1432 | |
50a90c4d | 1433 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1434 | if (result) |
85091b71 | 1435 | return result; |
50a90c4d | 1436 | if (!asus->device->status.present) { |
600ad520 | 1437 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1438 | return -ENODEV; |
1439 | } | |
1440 | ||
7c247645 | 1441 | result = asus_laptop_get_info(asus); |
034ce90a | 1442 | if (result) |
600ad520 | 1443 | return result; |
034ce90a | 1444 | |
600ad520 | 1445 | /* WLED and BLED are on by default */ |
be4ee82d | 1446 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1447 | asus_bluetooth_set(asus, !!bluetooth_status); |
1448 | ||
d0930a2d CC |
1449 | if (wlan_status >= 0) |
1450 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1451 | |
600ad520 | 1452 | /* Keyboard Backlight is on by default */ |
d99b577c | 1453 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1454 | asus_kled_set(asus, 1); |
600ad520 CC |
1455 | |
1456 | /* LED display is off by default */ | |
50a90c4d | 1457 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1458 | |
1459 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1460 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1461 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1462 | |
d99b577c CC |
1463 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1464 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1465 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1466 | asus_als_level(asus, asus->light_level); |
d99b577c | 1467 | } |
600ad520 | 1468 | |
47ee0e99 | 1469 | asus->lcd_state = 1; /* LCD should be on when the module load */ |
600ad520 CC |
1470 | return result; |
1471 | } | |
1472 | ||
1473 | static int __devinit asus_acpi_add(struct acpi_device *device) | |
1474 | { | |
9129d14d | 1475 | struct asus_laptop *asus; |
600ad520 CC |
1476 | int result; |
1477 | ||
1478 | pr_notice("Asus Laptop Support version %s\n", | |
1479 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1480 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1481 | if (!asus) | |
600ad520 | 1482 | return -ENOMEM; |
50a90c4d CC |
1483 | asus->handle = device->handle; |
1484 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1485 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1486 | device->driver_data = asus; | |
1487 | asus->device = device; | |
600ad520 | 1488 | |
9129d14d | 1489 | result = asus_acpi_init(asus); |
8def05fa | 1490 | if (result) |
600ad520 | 1491 | goto fail_platform; |
85091b71 | 1492 | |
600ad520 CC |
1493 | /* |
1494 | * Register the platform device first. It is used as a parent for the | |
1495 | * sub-devices below. | |
1496 | */ | |
9129d14d | 1497 | result = asus_platform_init(asus); |
116bf2e0 | 1498 | if (result) |
600ad520 | 1499 | goto fail_platform; |
116bf2e0 CC |
1500 | |
1501 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1502 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1503 | if (result) |
1504 | goto fail_backlight; | |
1505 | } else | |
600ad520 | 1506 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1507 | |
9129d14d | 1508 | result = asus_input_init(asus); |
600ad520 CC |
1509 | if (result) |
1510 | goto fail_input; | |
1511 | ||
9129d14d | 1512 | result = asus_led_init(asus); |
600ad520 CC |
1513 | if (result) |
1514 | goto fail_led; | |
1515 | ||
18e1311e CC |
1516 | result = asus_rfkill_init(asus); |
1517 | if (result) | |
1518 | goto fail_rfkill; | |
1519 | ||
600ad520 | 1520 | asus_device_present = true; |
8def05fa | 1521 | return 0; |
85091b71 | 1522 | |
18e1311e CC |
1523 | fail_rfkill: |
1524 | asus_led_exit(asus); | |
600ad520 | 1525 | fail_led: |
9129d14d | 1526 | asus_input_exit(asus); |
600ad520 | 1527 | fail_input: |
9129d14d | 1528 | asus_backlight_exit(asus); |
116bf2e0 | 1529 | fail_backlight: |
9129d14d | 1530 | asus_platform_exit(asus); |
600ad520 | 1531 | fail_platform: |
50a90c4d CC |
1532 | kfree(asus->name); |
1533 | kfree(asus); | |
116bf2e0 | 1534 | |
600ad520 CC |
1535 | return result; |
1536 | } | |
116bf2e0 | 1537 | |
600ad520 CC |
1538 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1539 | { | |
9129d14d CC |
1540 | struct asus_laptop *asus = acpi_driver_data(device); |
1541 | ||
1542 | asus_backlight_exit(asus); | |
18e1311e | 1543 | asus_rfkill_exit(asus); |
9129d14d CC |
1544 | asus_led_exit(asus); |
1545 | asus_input_exit(asus); | |
1546 | asus_platform_exit(asus); | |
600ad520 | 1547 | |
50a90c4d CC |
1548 | kfree(asus->name); |
1549 | kfree(asus); | |
600ad520 CC |
1550 | return 0; |
1551 | } | |
1552 | ||
1553 | static const struct acpi_device_id asus_device_ids[] = { | |
1554 | {"ATK0100", 0}, | |
1555 | {"ATK0101", 0}, | |
1556 | {"", 0}, | |
1557 | }; | |
1558 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1559 | |
600ad520 | 1560 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1561 | .name = ASUS_LAPTOP_NAME, |
1562 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1563 | .owner = THIS_MODULE, |
1564 | .ids = asus_device_ids, | |
1565 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1566 | .ops = { | |
1567 | .add = asus_acpi_add, | |
1568 | .remove = asus_acpi_remove, | |
1569 | .notify = asus_acpi_notify, | |
1570 | }, | |
1571 | }; | |
85091b71 | 1572 | |
600ad520 CC |
1573 | static int __init asus_laptop_init(void) |
1574 | { | |
1575 | int result; | |
85091b71 | 1576 | |
600ad520 CC |
1577 | result = platform_driver_register(&platform_driver); |
1578 | if (result < 0) | |
1579 | return result; | |
034ce90a | 1580 | |
600ad520 CC |
1581 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1582 | if (result < 0) | |
1583 | goto fail_acpi_driver; | |
1584 | if (!asus_device_present) { | |
1585 | result = -ENODEV; | |
1586 | goto fail_no_device; | |
1587 | } | |
1588 | return 0; | |
85091b71 | 1589 | |
600ad520 CC |
1590 | fail_no_device: |
1591 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1592 | fail_acpi_driver: | |
1593 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1594 | return result; |
1595 | } | |
1596 | ||
600ad520 CC |
1597 | static void __exit asus_laptop_exit(void) |
1598 | { | |
1599 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1600 | platform_driver_unregister(&platform_driver); | |
1601 | } | |
1602 | ||
85091b71 CC |
1603 | module_init(asus_laptop_init); |
1604 | module_exit(asus_laptop_exit); |