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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> |
5a0e3ad6 | 52 | #include <linux/slab.h> |
060cbce6 CC |
53 | #include <acpi/acpi_drivers.h> |
54 | #include <acpi/acpi_bus.h> | |
85091b71 | 55 | |
91687cc8 | 56 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 57 | |
50a90c4d CC |
58 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
59 | #define ASUS_LAPTOP_CLASS "hotkey" | |
60 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
61 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
62 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 63 | |
85091b71 | 64 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 65 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
66 | MODULE_LICENSE("GPL"); |
67 | ||
be966660 CC |
68 | /* |
69 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
70 | * The significance of values is yet to be found, but |
71 | * most of the time: | |
72 | * 0x0 will do nothing | |
73 | * 0x1 will allow to control the device with Fn+Fx key. | |
74 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
75 | * 0x5 like 0x1 or 0x4 | |
76 | * So, if something doesn't work as you want, just try other values =) | |
77 | */ | |
78 | static uint wapf = 1; | |
79 | module_param(wapf, uint, 0644); | |
80 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
81 | ||
668f4a03 DC |
82 | static int wlan_status = 1; |
83 | static int bluetooth_status = 1; | |
0e875f49 | 84 | |
668f4a03 | 85 | module_param(wlan_status, int, 0644); |
d0930a2d | 86 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " |
0e875f49 CC |
87 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
88 | "default is 1"); | |
89 | ||
668f4a03 | 90 | module_param(bluetooth_status, int, 0644); |
0e875f49 CC |
91 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " |
92 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
93 | "default is 1"); | |
94 | ||
be4ee82d CC |
95 | /* |
96 | * Some events we use, same for all Asus | |
97 | */ | |
060cbce6 CC |
98 | #define ATKD_BR_UP 0x10 /* (event & ~ATKD_BR_UP) = brightness level */ |
99 | #define ATKD_BR_DOWN 0x20 /* (event & ~ATKD_BR_DOWN) = britghness level */ | |
a539df5e | 100 | #define ATKD_BR_MIN ATKD_BR_UP |
060cbce6 | 101 | #define ATKD_BR_MAX (ATKD_BR_DOWN | 0xF) /* 0x2f */ |
be4ee82d CC |
102 | #define ATKD_LCD_ON 0x33 |
103 | #define ATKD_LCD_OFF 0x34 | |
104 | ||
105 | /* | |
106 | * Known bits returned by \_SB.ATKD.HWRS | |
107 | */ | |
108 | #define WL_HWRS 0x80 | |
109 | #define BT_HWRS 0x100 | |
110 | ||
111 | /* | |
112 | * Flags for hotk status | |
113 | * WL_ON and BT_ON are also used for wireless_status() | |
114 | */ | |
17e78f62 CC |
115 | #define WL_RSTS 0x01 /* internal Wifi */ |
116 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
be4ee82d | 117 | |
be18cdab | 118 | /* LED */ |
d99b577c CC |
119 | #define METHOD_MLED "MLED" |
120 | #define METHOD_TLED "TLED" | |
121 | #define METHOD_RLED "RLED" /* W1JC */ | |
122 | #define METHOD_PLED "PLED" /* A7J */ | |
123 | #define METHOD_GLED "GLED" /* G1, G2 (probably) */ | |
be18cdab | 124 | |
722ad971 | 125 | /* LEDD */ |
d99b577c | 126 | #define METHOD_LEDD "SLCM" |
722ad971 | 127 | |
be966660 CC |
128 | /* |
129 | * Bluetooth and WLAN | |
4564de17 CC |
130 | * WLED and BLED are not handled like other XLED, because in some dsdt |
131 | * they also control the WLAN/Bluetooth device. | |
132 | */ | |
d99b577c CC |
133 | #define METHOD_WLAN "WLED" |
134 | #define METHOD_BLUETOOTH "BLED" | |
135 | #define METHOD_WL_STATUS "RSTS" | |
4564de17 | 136 | |
6b7091e7 | 137 | /* Brightness */ |
d99b577c CC |
138 | #define METHOD_BRIGHTNESS_SET "SPLV" |
139 | #define METHOD_BRIGHTNESS_GET "GPLV" | |
6b7091e7 CC |
140 | |
141 | /* Backlight */ | |
060cbce6 | 142 | static acpi_handle lcd_switch_handle; |
16721511 | 143 | static char *lcd_switch_paths[] = { |
060cbce6 CC |
144 | "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
145 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
146 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
147 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
148 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
149 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ | |
150 | "\\_SB.PCI0.PX40.Q10", /* S1x */ | |
151 | "\\Q10"}; /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 152 | |
78127b4a | 153 | /* Display */ |
d99b577c | 154 | #define METHOD_SWITCH_DISPLAY "SDSP" |
060cbce6 CC |
155 | |
156 | static acpi_handle display_get_handle; | |
16721511 | 157 | static char *display_get_paths[] = { |
060cbce6 CC |
158 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ |
159 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
160 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
161 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
162 | /* A6V A6Q */ | |
163 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
164 | /* A6T, A6M */ | |
165 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
166 | /* L3C */ | |
167 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
168 | /* Z96F */ | |
169 | "\\_SB.PCI0.VGA.GETD", | |
170 | /* A2D */ | |
171 | "\\ACTD", | |
172 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
173 | "\\ADVG", | |
174 | /* P30 */ | |
175 | "\\DNXT", | |
176 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
177 | "\\INFB", | |
178 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
179 | "\\SSTE"}; | |
be966660 | 180 | |
d99b577c CC |
181 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
182 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ | |
8b857353 | 183 | |
e539c2f6 CC |
184 | /* GPS */ |
185 | /* R2H use different handle for GPS on/off */ | |
d99b577c CC |
186 | #define METHOD_GPS_ON "SDON" |
187 | #define METHOD_GPS_OFF "SDOF" | |
188 | #define METHOD_GPS_STATUS "GPST" | |
e539c2f6 | 189 | |
b7d3fbc2 | 190 | /* Keyboard light */ |
d99b577c CC |
191 | #define METHOD_KBD_LIGHT_SET "SLKB" |
192 | #define METHOD_KBD_LIGHT_GET "GLKB" | |
b7d3fbc2 | 193 | |
9129d14d CC |
194 | /* |
195 | * Define a specific led structure to keep the main structure clean | |
196 | */ | |
aee0afb8 CC |
197 | struct asus_led { |
198 | int wk; | |
199 | struct work_struct work; | |
200 | struct led_classdev led; | |
201 | struct asus_laptop *asus; | |
202 | const char *method; | |
9129d14d CC |
203 | }; |
204 | ||
85091b71 CC |
205 | /* |
206 | * This is the main structure, we can use it to store anything interesting | |
207 | * about the hotk device | |
208 | */ | |
50a90c4d | 209 | struct asus_laptop { |
be966660 | 210 | char *name; /* laptop name */ |
600ad520 | 211 | |
7c247645 | 212 | struct acpi_table_header *dsdt_info; |
600ad520 | 213 | struct platform_device *platform_device; |
7c247645 CC |
214 | struct acpi_device *device; /* the device we are in */ |
215 | struct backlight_device *backlight_device; | |
9129d14d | 216 | |
7c247645 | 217 | struct input_dev *inputdev; |
9129d14d CC |
218 | struct key_entry *keymap; |
219 | ||
aee0afb8 CC |
220 | struct asus_led mled; |
221 | struct asus_led tled; | |
222 | struct asus_led rled; | |
223 | struct asus_led pled; | |
224 | struct asus_led gled; | |
225 | struct asus_led kled; | |
226 | struct workqueue_struct *led_workqueue; | |
7c247645 | 227 | |
aa9df930 CC |
228 | int wireless_status; |
229 | bool have_rsts; | |
3e68ae7c | 230 | int lcd_state; |
aa9df930 | 231 | |
18e1311e CC |
232 | struct rfkill *gps_rfkill; |
233 | ||
be966660 | 234 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
235 | u32 ledd_status; /* status of the LED display */ |
236 | u8 light_level; /* light sensor level */ | |
237 | u8 light_switch; /* light sensor switch value */ | |
238 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a | 239 | u16 *keycode_map; |
85091b71 CC |
240 | }; |
241 | ||
9129d14d | 242 | static const struct key_entry asus_keymap[] = { |
a539df5e | 243 | /* Lenovo SL Specific keycodes */ |
66a71dd1 CC |
244 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
245 | {KE_KEY, 0x05, { KEY_WLAN } }, | |
246 | {KE_KEY, 0x08, { KEY_F13 } }, | |
247 | {KE_KEY, 0x17, { KEY_ZOOM } }, | |
248 | {KE_KEY, 0x1f, { KEY_BATTERY } }, | |
a539df5e | 249 | /* End of Lenovo SL Specific keycodes */ |
66a71dd1 CC |
250 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, |
251 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, | |
252 | {KE_KEY, 0x32, { KEY_MUTE } }, | |
253 | {KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } }, | |
254 | {KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } }, | |
255 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, | |
256 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, | |
257 | {KE_KEY, 0x43, { KEY_STOPCD } }, | |
258 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, | |
259 | {KE_KEY, 0x4c, { KEY_MEDIA } }, | |
260 | {KE_KEY, 0x50, { KEY_EMAIL } }, | |
261 | {KE_KEY, 0x51, { KEY_WWW } }, | |
262 | {KE_KEY, 0x55, { KEY_CALC } }, | |
263 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ | |
264 | {KE_KEY, 0x5D, { KEY_WLAN } }, | |
265 | {KE_KEY, 0x5E, { KEY_WLAN } }, | |
266 | {KE_KEY, 0x5F, { KEY_WLAN } }, | |
267 | {KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, | |
268 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, | |
269 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, | |
270 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, | |
271 | {KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */ | |
7f607d71 CC |
272 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, |
273 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, | |
66a71dd1 CC |
274 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
275 | {KE_KEY, 0x88, { KEY_WLAN } }, | |
276 | {KE_KEY, 0x8A, { KEY_PROG1 } }, | |
277 | {KE_KEY, 0x95, { KEY_MEDIA } }, | |
278 | {KE_KEY, 0x99, { KEY_PHONE } }, | |
279 | {KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, | |
280 | {KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, | |
034ce90a CC |
281 | {KE_END, 0}, |
282 | }; | |
283 | ||
66a71dd1 | 284 | |
85091b71 CC |
285 | /* |
286 | * This function evaluates an ACPI method, given an int as parameter, the | |
287 | * method is searched within the scope of the handle, can be NULL. The output | |
288 | * of the method is written is output, which can also be NULL | |
289 | * | |
f8d1c94b | 290 | * returns 0 if write is successful, -1 else. |
85091b71 | 291 | */ |
d8c67323 CC |
292 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
293 | struct acpi_buffer *output) | |
85091b71 | 294 | { |
be966660 CC |
295 | struct acpi_object_list params; /* list of input parameters (an int) */ |
296 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
297 | acpi_status status; |
298 | ||
f8d1c94b CC |
299 | if (!handle) |
300 | return 0; | |
301 | ||
85091b71 CC |
302 | params.count = 1; |
303 | params.pointer = &in_obj; | |
304 | in_obj.type = ACPI_TYPE_INTEGER; | |
305 | in_obj.integer.value = val; | |
306 | ||
307 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
308 | if (status == AE_OK) |
309 | return 0; | |
310 | else | |
311 | return -1; | |
85091b71 CC |
312 | } |
313 | ||
d8c67323 CC |
314 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
315 | { | |
316 | return write_acpi_int_ret(handle, method, val, NULL); | |
317 | } | |
318 | ||
d99b577c CC |
319 | static int acpi_check_handle(acpi_handle handle, const char *method, |
320 | acpi_handle *ret) | |
321 | { | |
322 | acpi_status status; | |
323 | ||
324 | if (method == NULL) | |
325 | return -ENODEV; | |
326 | ||
327 | if (ret) | |
328 | status = acpi_get_handle(handle, (char *)method, | |
329 | ret); | |
330 | else { | |
331 | acpi_handle dummy; | |
332 | ||
333 | status = acpi_get_handle(handle, (char *)method, | |
334 | &dummy); | |
335 | } | |
336 | ||
337 | if (status != AE_OK) { | |
338 | if (ret) | |
339 | pr_warning("Error finding %s\n", method); | |
340 | return -ENODEV; | |
341 | } | |
342 | return 0; | |
343 | } | |
344 | ||
17e78f62 | 345 | /* Generic LED function */ |
aee0afb8 | 346 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
17e78f62 | 347 | int value) |
be18cdab | 348 | { |
d99b577c | 349 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 350 | value = !value; |
d99b577c | 351 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
352 | value = !value + 1; |
353 | else | |
354 | value = !!value; | |
be18cdab | 355 | |
e5593bf1 | 356 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
357 | } |
358 | ||
be4ee82d CC |
359 | /* |
360 | * LEDs | |
361 | */ | |
be18cdab | 362 | /* /sys/class/led handlers */ |
aee0afb8 CC |
363 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
364 | enum led_brightness value) | |
365 | { | |
366 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); | |
367 | struct asus_laptop *asus = led->asus; | |
368 | ||
369 | led->wk = !!value; | |
370 | queue_work(asus->led_workqueue, &led->work); | |
371 | } | |
be18cdab | 372 | |
aee0afb8 CC |
373 | static void asus_led_cdev_update(struct work_struct *work) |
374 | { | |
375 | struct asus_led *led = container_of(work, struct asus_led, work); | |
376 | struct asus_laptop *asus = led->asus; | |
377 | ||
378 | asus_led_set(asus, led->method, led->wk); | |
379 | } | |
380 | ||
381 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) | |
382 | { | |
383 | return led_cdev->brightness; | |
384 | } | |
be18cdab | 385 | |
b7d3fbc2 | 386 | /* |
be4ee82d | 387 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 388 | */ |
d99b577c | 389 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
390 | { |
391 | unsigned long long kblv; | |
392 | struct acpi_object_list params; | |
393 | union acpi_object in_obj; | |
394 | acpi_status rv; | |
395 | ||
396 | params.count = 1; | |
397 | params.pointer = &in_obj; | |
398 | in_obj.type = ACPI_TYPE_INTEGER; | |
399 | in_obj.integer.value = 2; | |
400 | ||
d99b577c CC |
401 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
402 | ¶ms, &kblv); | |
b7d3fbc2 CC |
403 | if (ACPI_FAILURE(rv)) { |
404 | pr_warning("Error reading kled level\n"); | |
4d441513 | 405 | return -ENODEV; |
b7d3fbc2 CC |
406 | } |
407 | return kblv; | |
408 | } | |
409 | ||
4d441513 | 410 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
411 | { |
412 | if (kblv > 0) | |
413 | kblv = (1 << 7) | (kblv & 0x7F); | |
414 | else | |
415 | kblv = 0; | |
416 | ||
d99b577c | 417 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
b7d3fbc2 CC |
418 | pr_warning("Keyboard LED display write failed\n"); |
419 | return -EINVAL; | |
420 | } | |
421 | return 0; | |
422 | } | |
423 | ||
aee0afb8 CC |
424 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
425 | enum led_brightness value) | |
b7d3fbc2 | 426 | { |
aee0afb8 CC |
427 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
428 | struct asus_laptop *asus = led->asus; | |
9129d14d | 429 | |
060cbce6 | 430 | led->wk = value; |
aee0afb8 | 431 | queue_work(asus->led_workqueue, &led->work); |
b7d3fbc2 CC |
432 | } |
433 | ||
aee0afb8 | 434 | static void asus_kled_cdev_update(struct work_struct *work) |
b7d3fbc2 | 435 | { |
aee0afb8 CC |
436 | struct asus_led *led = container_of(work, struct asus_led, work); |
437 | struct asus_laptop *asus = led->asus; | |
9129d14d | 438 | |
aee0afb8 | 439 | asus_kled_set(asus, led->wk); |
b7d3fbc2 CC |
440 | } |
441 | ||
aee0afb8 | 442 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
b7d3fbc2 | 443 | { |
aee0afb8 CC |
444 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
445 | struct asus_laptop *asus = led->asus; | |
d99b577c CC |
446 | |
447 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
448 | } |
449 | ||
be4ee82d CC |
450 | static void asus_led_exit(struct asus_laptop *asus) |
451 | { | |
aee0afb8 CC |
452 | if (asus->mled.led.dev) |
453 | led_classdev_unregister(&asus->mled.led); | |
454 | if (asus->tled.led.dev) | |
455 | led_classdev_unregister(&asus->tled.led); | |
456 | if (asus->pled.led.dev) | |
457 | led_classdev_unregister(&asus->pled.led); | |
458 | if (asus->rled.led.dev) | |
459 | led_classdev_unregister(&asus->rled.led); | |
460 | if (asus->gled.led.dev) | |
461 | led_classdev_unregister(&asus->gled.led); | |
462 | if (asus->kled.led.dev) | |
463 | led_classdev_unregister(&asus->kled.led); | |
464 | if (asus->led_workqueue) { | |
465 | destroy_workqueue(asus->led_workqueue); | |
466 | asus->led_workqueue = NULL; | |
be4ee82d CC |
467 | } |
468 | } | |
469 | ||
470 | /* Ugly macro, need to fix that later */ | |
aee0afb8 CC |
471 | static int asus_led_register(struct asus_laptop *asus, |
472 | struct asus_led *led, | |
473 | const char *name, const char *method) | |
474 | { | |
475 | struct led_classdev *led_cdev = &led->led; | |
476 | ||
477 | if (!method || acpi_check_handle(asus->handle, method, NULL)) | |
060cbce6 | 478 | return 0; /* Led not present */ |
aee0afb8 CC |
479 | |
480 | led->asus = asus; | |
481 | led->method = method; | |
482 | ||
483 | INIT_WORK(&led->work, asus_led_cdev_update); | |
484 | led_cdev->name = name; | |
485 | led_cdev->brightness_set = asus_led_cdev_set; | |
486 | led_cdev->brightness_get = asus_led_cdev_get; | |
487 | led_cdev->max_brightness = 1; | |
488 | return led_classdev_register(&asus->platform_device->dev, led_cdev); | |
489 | } | |
be4ee82d CC |
490 | |
491 | static int asus_led_init(struct asus_laptop *asus) | |
492 | { | |
aee0afb8 | 493 | int r; |
be4ee82d CC |
494 | |
495 | /* | |
496 | * Functions that actually update the LED's are called from a | |
497 | * workqueue. By doing this as separate work rather than when the LED | |
498 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
499 | * potentially bad time, such as a timer interrupt. | |
500 | */ | |
aee0afb8 CC |
501 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
502 | if (!asus->led_workqueue) | |
be4ee82d CC |
503 | return -ENOMEM; |
504 | ||
aee0afb8 CC |
505 | r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED); |
506 | if (r) | |
507 | goto error; | |
508 | r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED); | |
509 | if (r) | |
510 | goto error; | |
511 | r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED); | |
512 | if (r) | |
513 | goto error; | |
514 | r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED); | |
515 | if (r) | |
516 | goto error; | |
517 | r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED); | |
518 | if (r) | |
519 | goto error; | |
d99b577c | 520 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
aee0afb8 CC |
521 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
522 | struct asus_led *led = &asus->kled; | |
523 | struct led_classdev *cdev = &led->led; | |
524 | ||
525 | led->asus = asus; | |
526 | ||
527 | INIT_WORK(&led->work, asus_kled_cdev_update); | |
528 | cdev->name = "asus::kbd_backlight"; | |
529 | cdev->brightness_set = asus_kled_cdev_set; | |
530 | cdev->brightness_get = asus_kled_cdev_get; | |
531 | cdev->max_brightness = 3; | |
532 | r = led_classdev_register(&asus->platform_device->dev, cdev); | |
533 | } | |
be4ee82d | 534 | error: |
aee0afb8 | 535 | if (r) |
be4ee82d | 536 | asus_led_exit(asus); |
aee0afb8 | 537 | return r; |
be4ee82d CC |
538 | } |
539 | ||
540 | /* | |
541 | * Backlight device | |
542 | */ | |
3e68ae7c | 543 | static int asus_lcd_status(struct asus_laptop *asus) |
6b7091e7 | 544 | { |
3e68ae7c | 545 | return asus->lcd_state; |
6b7091e7 CC |
546 | } |
547 | ||
3e68ae7c | 548 | static int asus_lcd_set(struct asus_laptop *asus, int value) |
6b7091e7 CC |
549 | { |
550 | int lcd = 0; | |
551 | acpi_status status = 0; | |
552 | ||
3e68ae7c | 553 | lcd = !!value; |
6b7091e7 | 554 | |
3e68ae7c | 555 | if (lcd == asus_lcd_status(asus)) |
6b7091e7 CC |
556 | return 0; |
557 | ||
3e68ae7c CC |
558 | if (!lcd_switch_handle) |
559 | return -ENODEV; | |
560 | ||
561 | status = acpi_evaluate_object(lcd_switch_handle, | |
562 | NULL, NULL, NULL); | |
6b7091e7 | 563 | |
3e68ae7c CC |
564 | if (ACPI_FAILURE(status)) { |
565 | pr_warning("Error switching LCD\n"); | |
566 | return -ENODEV; | |
6b7091e7 CC |
567 | } |
568 | ||
3e68ae7c | 569 | asus->lcd_state = lcd; |
6b7091e7 CC |
570 | return 0; |
571 | } | |
572 | ||
9129d14d | 573 | static void lcd_blank(struct asus_laptop *asus, int blank) |
6b7091e7 | 574 | { |
7c247645 | 575 | struct backlight_device *bd = asus->backlight_device; |
6b7091e7 | 576 | |
3e68ae7c CC |
577 | asus->lcd_state = (blank == FB_BLANK_UNBLANK); |
578 | ||
8def05fa | 579 | if (bd) { |
599a52d1 | 580 | bd->props.power = blank; |
28ee086d | 581 | backlight_update_status(bd); |
6b7091e7 CC |
582 | } |
583 | } | |
584 | ||
4d441513 | 585 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 586 | { |
d99b577c | 587 | struct asus_laptop *asus = bl_get_data(bd); |
27663c58 | 588 | unsigned long long value; |
9a816850 | 589 | acpi_status rv = AE_OK; |
6b7091e7 | 590 | |
d99b577c CC |
591 | rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, |
592 | NULL, &value); | |
9a816850 | 593 | if (ACPI_FAILURE(rv)) |
2fcc23da | 594 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
595 | |
596 | return value; | |
597 | } | |
598 | ||
4d441513 | 599 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 600 | { |
d99b577c CC |
601 | struct asus_laptop *asus = bl_get_data(bd); |
602 | ||
603 | if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) { | |
2fcc23da | 604 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 605 | return -EIO; |
6b7091e7 | 606 | } |
e5b50f6a | 607 | return 0; |
6b7091e7 CC |
608 | } |
609 | ||
610 | static int update_bl_status(struct backlight_device *bd) | |
611 | { | |
9129d14d | 612 | struct asus_laptop *asus = bl_get_data(bd); |
6b7091e7 | 613 | int rv; |
599a52d1 | 614 | int value = bd->props.brightness; |
6b7091e7 | 615 | |
4d441513 | 616 | rv = asus_set_brightness(bd, value); |
8def05fa | 617 | if (rv) |
6b7091e7 CC |
618 | return rv; |
619 | ||
599a52d1 | 620 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
3e68ae7c | 621 | return asus_lcd_set(asus, value); |
6b7091e7 CC |
622 | } |
623 | ||
be4ee82d | 624 | static struct backlight_ops asusbl_ops = { |
4d441513 | 625 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
626 | .update_status = update_bl_status, |
627 | }; | |
628 | ||
a539df5e CC |
629 | static int asus_backlight_notify(struct asus_laptop *asus) |
630 | { | |
631 | struct backlight_device *bd = asus->backlight_device; | |
632 | int old = bd->props.brightness; | |
633 | ||
634 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
635 | ||
636 | return old; | |
637 | } | |
638 | ||
be4ee82d CC |
639 | static int asus_backlight_init(struct asus_laptop *asus) |
640 | { | |
641 | struct backlight_device *bd; | |
642 | struct device *dev = &asus->platform_device->dev; | |
a19a6ee6 | 643 | struct backlight_properties props; |
be4ee82d | 644 | |
d99b577c CC |
645 | if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) && |
646 | !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) && | |
647 | lcd_switch_handle) { | |
a19a6ee6 MG |
648 | memset(&props, 0, sizeof(struct backlight_properties)); |
649 | props.max_brightness = 15; | |
650 | ||
be4ee82d | 651 | bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, |
a19a6ee6 | 652 | asus, &asusbl_ops, &props); |
be4ee82d CC |
653 | if (IS_ERR(bd)) { |
654 | pr_err("Could not register asus backlight device\n"); | |
655 | asus->backlight_device = NULL; | |
656 | return PTR_ERR(bd); | |
657 | } | |
658 | ||
659 | asus->backlight_device = bd; | |
660 | ||
be4ee82d | 661 | bd->props.power = FB_BLANK_UNBLANK; |
d99b577c | 662 | bd->props.brightness = asus_read_brightness(bd); |
be4ee82d CC |
663 | backlight_update_status(bd); |
664 | } | |
665 | return 0; | |
666 | } | |
667 | ||
668 | static void asus_backlight_exit(struct asus_laptop *asus) | |
669 | { | |
670 | if (asus->backlight_device) | |
671 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 672 | asus->backlight_device = NULL; |
be4ee82d CC |
673 | } |
674 | ||
85091b71 CC |
675 | /* |
676 | * Platform device handlers | |
677 | */ | |
678 | ||
679 | /* | |
680 | * We write our info in page, we begin at offset off and cannot write more | |
681 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
682 | * number of bytes written in page | |
683 | */ | |
684 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 685 | struct device_attribute *attr, char *page) |
85091b71 | 686 | { |
9129d14d | 687 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 688 | int len = 0; |
27663c58 | 689 | unsigned long long temp; |
be966660 | 690 | char buf[16]; /* enough for all info */ |
9a816850 CC |
691 | acpi_status rv = AE_OK; |
692 | ||
85091b71 | 693 | /* |
060cbce6 CC |
694 | * We use the easy way, we don't care of off and count, |
695 | * so we don't set eof to 1 | |
85091b71 CC |
696 | */ |
697 | ||
50a90c4d CC |
698 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
699 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
700 | /* |
701 | * The SFUN method probably allows the original driver to get the list | |
702 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
703 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
704 | * The significance of others is yet to be found. | |
705 | */ | |
50a90c4d | 706 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 707 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
708 | len += sprintf(page + len, "SFUN value : %#x\n", |
709 | (uint) temp); | |
710 | /* | |
711 | * The HWRS method return informations about the hardware. | |
712 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
713 | * The significance of others is yet to be found. | |
714 | * If we don't find the method, we assume the device are present. | |
715 | */ | |
50a90c4d | 716 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
717 | if (!ACPI_FAILURE(rv)) |
718 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 719 | (uint) temp); |
85091b71 CC |
720 | /* |
721 | * Another value for userspace: the ASYM method returns 0x02 for | |
722 | * battery low and 0x04 for battery critical, its readings tend to be | |
723 | * more accurate than those provided by _BST. | |
724 | * Note: since not all the laptops provide this method, errors are | |
725 | * silently ignored. | |
726 | */ | |
50a90c4d | 727 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 728 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 729 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 730 | (uint) temp); |
7c247645 CC |
731 | if (asus->dsdt_info) { |
732 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 733 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 734 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 735 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 736 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 737 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 738 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 739 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 740 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 741 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 742 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 743 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 744 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 745 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 746 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
747 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
748 | } | |
749 | ||
750 | return len; | |
751 | } | |
752 | ||
753 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
754 | { | |
755 | if (!count) | |
756 | return 0; | |
757 | if (count > 31) | |
758 | return -EINVAL; | |
759 | if (sscanf(buf, "%i", val) != 1) | |
760 | return -EINVAL; | |
761 | return count; | |
762 | } | |
763 | ||
17e78f62 CC |
764 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
765 | const char *buf, size_t count, | |
d99b577c | 766 | const char *method) |
4564de17 CC |
767 | { |
768 | int rv, value; | |
769 | int out = 0; | |
770 | ||
771 | rv = parse_arg(buf, count, &value); | |
772 | if (rv > 0) | |
773 | out = value ? 1 : 0; | |
774 | ||
d99b577c | 775 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 776 | return -ENODEV; |
4564de17 CC |
777 | return rv; |
778 | } | |
779 | ||
722ad971 CC |
780 | /* |
781 | * LEDD display | |
782 | */ | |
783 | static ssize_t show_ledd(struct device *dev, | |
784 | struct device_attribute *attr, char *buf) | |
785 | { | |
9129d14d CC |
786 | struct asus_laptop *asus = dev_get_drvdata(dev); |
787 | ||
50a90c4d | 788 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
789 | } |
790 | ||
791 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
792 | const char *buf, size_t count) | |
793 | { | |
9129d14d | 794 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
795 | int rv, value; |
796 | ||
797 | rv = parse_arg(buf, count, &value); | |
798 | if (rv > 0) { | |
d99b577c | 799 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) |
2fcc23da | 800 | pr_warning("LED display write failed\n"); |
722ad971 | 801 | else |
50a90c4d | 802 | asus->ledd_status = (u32) value; |
722ad971 CC |
803 | } |
804 | return rv; | |
805 | } | |
806 | ||
aa9df930 CC |
807 | /* |
808 | * Wireless | |
809 | */ | |
810 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
811 | { | |
812 | unsigned long long status; | |
813 | acpi_status rv = AE_OK; | |
814 | ||
815 | if (!asus->have_rsts) | |
816 | return (asus->wireless_status & mask) ? 1 : 0; | |
817 | ||
d99b577c CC |
818 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
819 | NULL, &status); | |
aa9df930 CC |
820 | if (ACPI_FAILURE(rv)) { |
821 | pr_warning("Error reading Wireless status\n"); | |
822 | return -EINVAL; | |
823 | } | |
824 | return !!(status & mask); | |
825 | } | |
826 | ||
4564de17 CC |
827 | /* |
828 | * WLAN | |
829 | */ | |
e5593bf1 CC |
830 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
831 | { | |
832 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
833 | pr_warning("Error setting wlan status to %d", status); | |
834 | return -EIO; | |
835 | } | |
836 | return 0; | |
837 | } | |
838 | ||
4564de17 CC |
839 | static ssize_t show_wlan(struct device *dev, |
840 | struct device_attribute *attr, char *buf) | |
841 | { | |
9129d14d CC |
842 | struct asus_laptop *asus = dev_get_drvdata(dev); |
843 | ||
17e78f62 | 844 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
845 | } |
846 | ||
847 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
848 | const char *buf, size_t count) | |
849 | { | |
9129d14d CC |
850 | struct asus_laptop *asus = dev_get_drvdata(dev); |
851 | ||
d99b577c | 852 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
853 | } |
854 | ||
855 | /* | |
856 | * Bluetooth | |
857 | */ | |
e5593bf1 CC |
858 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
859 | { | |
860 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
861 | pr_warning("Error setting bluetooth status to %d", status); | |
862 | return -EIO; | |
863 | } | |
864 | return 0; | |
865 | } | |
866 | ||
4564de17 CC |
867 | static ssize_t show_bluetooth(struct device *dev, |
868 | struct device_attribute *attr, char *buf) | |
869 | { | |
9129d14d CC |
870 | struct asus_laptop *asus = dev_get_drvdata(dev); |
871 | ||
17e78f62 | 872 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
873 | } |
874 | ||
8def05fa LB |
875 | static ssize_t store_bluetooth(struct device *dev, |
876 | struct device_attribute *attr, const char *buf, | |
877 | size_t count) | |
4564de17 | 878 | { |
9129d14d CC |
879 | struct asus_laptop *asus = dev_get_drvdata(dev); |
880 | ||
d99b577c | 881 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
882 | } |
883 | ||
78127b4a CC |
884 | /* |
885 | * Display | |
886 | */ | |
4d441513 | 887 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
888 | { |
889 | /* no sanity check needed for now */ | |
d99b577c | 890 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 891 | pr_warning("Error setting display\n"); |
78127b4a CC |
892 | return; |
893 | } | |
894 | ||
9129d14d | 895 | static int read_display(struct asus_laptop *asus) |
78127b4a | 896 | { |
27663c58 | 897 | unsigned long long value = 0; |
9a816850 | 898 | acpi_status rv = AE_OK; |
78127b4a | 899 | |
be966660 CC |
900 | /* |
901 | * In most of the case, we know how to set the display, but sometime | |
902 | * we can't read it | |
903 | */ | |
8def05fa | 904 | if (display_get_handle) { |
9a816850 CC |
905 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
906 | NULL, &value); | |
907 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 908 | pr_warning("Error reading display status\n"); |
78127b4a CC |
909 | } |
910 | ||
060cbce6 | 911 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ |
78127b4a CC |
912 | |
913 | return value; | |
914 | } | |
8def05fa | 915 | |
78127b4a CC |
916 | /* |
917 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
918 | * complained. The significance of bits is the same as in store_disp() | |
919 | */ | |
920 | static ssize_t show_disp(struct device *dev, | |
921 | struct device_attribute *attr, char *buf) | |
922 | { | |
9129d14d CC |
923 | struct asus_laptop *asus = dev_get_drvdata(dev); |
924 | ||
2a1fd64c CC |
925 | if (!display_get_handle) |
926 | return -ENODEV; | |
9129d14d | 927 | return sprintf(buf, "%d\n", read_display(asus)); |
78127b4a CC |
928 | } |
929 | ||
930 | /* | |
931 | * Experimental support for display switching. As of now: 1 should activate | |
932 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
933 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
934 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
935 | * for more info. | |
936 | */ | |
937 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
938 | const char *buf, size_t count) | |
939 | { | |
9129d14d | 940 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
941 | int rv, value; |
942 | ||
943 | rv = parse_arg(buf, count, &value); | |
944 | if (rv > 0) | |
4d441513 | 945 | asus_set_display(asus, value); |
78127b4a CC |
946 | return rv; |
947 | } | |
948 | ||
8b857353 CC |
949 | /* |
950 | * Light Sens | |
951 | */ | |
4d441513 | 952 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 953 | { |
d99b577c | 954 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 955 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 956 | asus->light_switch = value; |
8b857353 CC |
957 | } |
958 | ||
959 | static ssize_t show_lssw(struct device *dev, | |
960 | struct device_attribute *attr, char *buf) | |
961 | { | |
9129d14d CC |
962 | struct asus_laptop *asus = dev_get_drvdata(dev); |
963 | ||
50a90c4d | 964 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
965 | } |
966 | ||
967 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
968 | const char *buf, size_t count) | |
969 | { | |
9129d14d | 970 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
971 | int rv, value; |
972 | ||
973 | rv = parse_arg(buf, count, &value); | |
974 | if (rv > 0) | |
4d441513 | 975 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
976 | |
977 | return rv; | |
978 | } | |
979 | ||
4d441513 | 980 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 981 | { |
d99b577c | 982 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 983 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 984 | asus->light_level = value; |
8b857353 CC |
985 | } |
986 | ||
987 | static ssize_t show_lslvl(struct device *dev, | |
988 | struct device_attribute *attr, char *buf) | |
989 | { | |
9129d14d CC |
990 | struct asus_laptop *asus = dev_get_drvdata(dev); |
991 | ||
50a90c4d | 992 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
993 | } |
994 | ||
995 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
996 | const char *buf, size_t count) | |
997 | { | |
9129d14d | 998 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
999 | int rv, value; |
1000 | ||
1001 | rv = parse_arg(buf, count, &value); | |
1002 | if (rv > 0) { | |
1003 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
1004 | /* 0 <= value <= 15 */ | |
4d441513 | 1005 | asus_als_level(asus, value); |
8b857353 CC |
1006 | } |
1007 | ||
1008 | return rv; | |
1009 | } | |
1010 | ||
e539c2f6 CC |
1011 | /* |
1012 | * GPS | |
1013 | */ | |
6358bf2c CC |
1014 | static int asus_gps_status(struct asus_laptop *asus) |
1015 | { | |
1016 | unsigned long long status; | |
1017 | acpi_status rv = AE_OK; | |
1018 | ||
d99b577c CC |
1019 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
1020 | NULL, &status); | |
6358bf2c CC |
1021 | if (ACPI_FAILURE(rv)) { |
1022 | pr_warning("Error reading GPS status\n"); | |
1023 | return -ENODEV; | |
1024 | } | |
1025 | return !!status; | |
1026 | } | |
1027 | ||
1028 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
1029 | { | |
d99b577c | 1030 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 1031 | |
d99b577c | 1032 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
1033 | return -ENODEV; |
1034 | return 0; | |
1035 | } | |
1036 | ||
e539c2f6 CC |
1037 | static ssize_t show_gps(struct device *dev, |
1038 | struct device_attribute *attr, char *buf) | |
1039 | { | |
9129d14d CC |
1040 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1041 | ||
6358bf2c | 1042 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1043 | } |
1044 | ||
1045 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1046 | const char *buf, size_t count) | |
1047 | { | |
060cbce6 | 1048 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1049 | int rv, value; |
1050 | int ret; | |
9129d14d | 1051 | |
6358bf2c CC |
1052 | rv = parse_arg(buf, count, &value); |
1053 | if (rv <= 0) | |
1054 | return -EINVAL; | |
1055 | ret = asus_gps_switch(asus, !!value); | |
1056 | if (ret) | |
1057 | return ret; | |
18e1311e | 1058 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1059 | return rv; |
e539c2f6 CC |
1060 | } |
1061 | ||
18e1311e CC |
1062 | /* |
1063 | * rfkill | |
1064 | */ | |
1065 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1066 | { | |
1067 | acpi_handle handle = data; | |
1068 | ||
1069 | return asus_gps_switch(handle, !blocked); | |
1070 | } | |
1071 | ||
1072 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1073 | .set_block = asus_gps_rfkill_set, | |
1074 | }; | |
1075 | ||
1076 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1077 | { | |
1078 | if (asus->gps_rfkill) { | |
1079 | rfkill_unregister(asus->gps_rfkill); | |
1080 | rfkill_destroy(asus->gps_rfkill); | |
1081 | asus->gps_rfkill = NULL; | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1086 | { | |
1087 | int result; | |
1088 | ||
1089 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1090 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1091 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1092 | return 0; | |
1093 | ||
1094 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1095 | RFKILL_TYPE_GPS, | |
1096 | &asus_gps_rfkill_ops, NULL); | |
1097 | if (!asus->gps_rfkill) | |
1098 | return -EINVAL; | |
1099 | ||
1100 | result = rfkill_register(asus->gps_rfkill); | |
1101 | if (result) { | |
1102 | rfkill_destroy(asus->gps_rfkill); | |
1103 | asus->gps_rfkill = NULL; | |
1104 | } | |
1105 | ||
1106 | return result; | |
1107 | } | |
1108 | ||
034ce90a | 1109 | /* |
be4ee82d | 1110 | * Input device (i.e. hotkeys) |
034ce90a | 1111 | */ |
be4ee82d CC |
1112 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1113 | { | |
66a71dd1 CC |
1114 | if (asus->inputdev) |
1115 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1116 | } |
1117 | ||
1118 | static int asus_input_init(struct asus_laptop *asus) | |
1119 | { | |
66a71dd1 CC |
1120 | struct input_dev *input; |
1121 | int error; | |
be4ee82d | 1122 | |
66a71dd1 CC |
1123 | input = input_allocate_device(); |
1124 | if (!input) { | |
be4ee82d CC |
1125 | pr_info("Unable to allocate input device\n"); |
1126 | return 0; | |
1127 | } | |
66a71dd1 CC |
1128 | input->name = "Asus Laptop extra buttons"; |
1129 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1130 | input->id.bustype = BUS_HOST; | |
1131 | input->dev.parent = &asus->platform_device->dev; | |
1132 | input_set_drvdata(input, asus); | |
1133 | ||
1134 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1135 | if (error) { | |
1136 | pr_err("Unable to setup input device keymap\n"); | |
1137 | goto err_keymap; | |
be4ee82d | 1138 | } |
66a71dd1 CC |
1139 | error = input_register_device(input); |
1140 | if (error) { | |
be4ee82d | 1141 | pr_info("Unable to register input device\n"); |
66a71dd1 | 1142 | goto err_device; |
be4ee82d | 1143 | } |
66a71dd1 CC |
1144 | |
1145 | asus->inputdev = input; | |
1146 | return 0; | |
1147 | ||
1148 | err_keymap: | |
1149 | sparse_keymap_free(input); | |
1150 | err_device: | |
1151 | input_free_device(input); | |
1152 | return error; | |
be4ee82d CC |
1153 | } |
1154 | ||
1155 | static void asus_input_exit(struct asus_laptop *asus) | |
1156 | { | |
66a71dd1 CC |
1157 | if (asus->inputdev) { |
1158 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1159 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1160 | } |
be4ee82d CC |
1161 | } |
1162 | ||
1163 | /* | |
1164 | * ACPI driver | |
1165 | */ | |
600ad520 | 1166 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1167 | { |
9129d14d | 1168 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1169 | u16 count; |
034ce90a | 1170 | |
6b7091e7 CC |
1171 | /* |
1172 | * We need to tell the backlight device when the backlight power is | |
1173 | * switched | |
1174 | */ | |
3e68ae7c | 1175 | if (event == ATKD_LCD_ON) |
9129d14d | 1176 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1177 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1178 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1179 | |
619d8b11 | 1180 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1181 | count = asus->event_count[event % 128]++; |
1182 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1183 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1184 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1185 | count); |
85091b71 | 1186 | |
a539df5e CC |
1187 | /* Brightness events are special */ |
1188 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1189 | ||
1190 | /* Ignore them completely if the acpi video driver is used */ | |
1191 | if (asus->backlight_device != NULL) { | |
1192 | /* Update the backlight device. */ | |
1193 | asus_backlight_notify(asus); | |
1194 | } | |
1195 | return ; | |
1196 | } | |
be4ee82d | 1197 | asus_input_notify(asus, event); |
85091b71 CC |
1198 | } |
1199 | ||
2a1fd64c CC |
1200 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1201 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
1202 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth, | |
1203 | store_bluetooth); | |
1204 | static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); | |
1205 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); | |
1206 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1207 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1208 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1209 | ||
1210 | static void asus_sysfs_exit(struct asus_laptop *asus) | |
1211 | { | |
1212 | struct platform_device *device = asus->platform_device; | |
1213 | ||
1214 | device_remove_file(&device->dev, &dev_attr_infos); | |
1215 | device_remove_file(&device->dev, &dev_attr_wlan); | |
1216 | device_remove_file(&device->dev, &dev_attr_bluetooth); | |
1217 | device_remove_file(&device->dev, &dev_attr_display); | |
1218 | device_remove_file(&device->dev, &dev_attr_ledd); | |
1219 | device_remove_file(&device->dev, &dev_attr_ls_switch); | |
1220 | device_remove_file(&device->dev, &dev_attr_ls_level); | |
1221 | device_remove_file(&device->dev, &dev_attr_gps); | |
1222 | } | |
1223 | ||
1224 | static int asus_sysfs_init(struct asus_laptop *asus) | |
1225 | { | |
1226 | struct platform_device *device = asus->platform_device; | |
1227 | int err; | |
1228 | ||
1229 | err = device_create_file(&device->dev, &dev_attr_infos); | |
1230 | if (err) | |
1231 | return err; | |
1232 | ||
1233 | if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) { | |
1234 | err = device_create_file(&device->dev, &dev_attr_wlan); | |
1235 | if (err) | |
1236 | return err; | |
85091b71 CC |
1237 | } |
1238 | ||
2a1fd64c CC |
1239 | if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) { |
1240 | err = device_create_file(&device->dev, &dev_attr_bluetooth); | |
1241 | if (err) | |
1242 | return err; | |
1243 | } | |
85091b71 | 1244 | |
2a1fd64c CC |
1245 | if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) { |
1246 | err = device_create_file(&device->dev, &dev_attr_display); | |
1247 | if (err) | |
1248 | return err; | |
1249 | } | |
1250 | ||
1251 | if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) { | |
1252 | err = device_create_file(&device->dev, &dev_attr_ledd); | |
1253 | if (err) | |
1254 | return err; | |
1255 | } | |
1256 | ||
1257 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && | |
1258 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
1259 | err = device_create_file(&device->dev, &dev_attr_ls_switch); | |
1260 | if (err) | |
1261 | return err; | |
1262 | err = device_create_file(&device->dev, &dev_attr_ls_level); | |
1263 | if (err) | |
1264 | return err; | |
1265 | } | |
1266 | ||
1267 | if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) && | |
1268 | !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) && | |
1269 | !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) { | |
1270 | err = device_create_file(&device->dev, &dev_attr_gps); | |
1271 | if (err) | |
1272 | return err; | |
1273 | } | |
1274 | ||
1275 | return err; | |
1276 | } | |
85091b71 | 1277 | |
9129d14d | 1278 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1279 | { |
2a1fd64c | 1280 | int err; |
600ad520 | 1281 | |
50a90c4d CC |
1282 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1283 | if (!asus->platform_device) | |
600ad520 | 1284 | return -ENOMEM; |
9129d14d | 1285 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1286 | |
2a1fd64c CC |
1287 | err = platform_device_add(asus->platform_device); |
1288 | if (err) | |
600ad520 CC |
1289 | goto fail_platform_device; |
1290 | ||
2a1fd64c CC |
1291 | err = asus_sysfs_init(asus); |
1292 | if (err) | |
600ad520 CC |
1293 | goto fail_sysfs; |
1294 | return 0; | |
1295 | ||
1296 | fail_sysfs: | |
2a1fd64c | 1297 | asus_sysfs_exit(asus); |
50a90c4d | 1298 | platform_device_del(asus->platform_device); |
600ad520 | 1299 | fail_platform_device: |
50a90c4d | 1300 | platform_device_put(asus->platform_device); |
2a1fd64c | 1301 | return err; |
600ad520 CC |
1302 | } |
1303 | ||
9129d14d | 1304 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1305 | { |
2a1fd64c | 1306 | asus_sysfs_exit(asus); |
50a90c4d | 1307 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1308 | } |
1309 | ||
1310 | static struct platform_driver platform_driver = { | |
8def05fa | 1311 | .driver = { |
9129d14d CC |
1312 | .name = ASUS_LAPTOP_FILE, |
1313 | .owner = THIS_MODULE, | |
1314 | } | |
85091b71 CC |
1315 | }; |
1316 | ||
8def05fa | 1317 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1318 | char **paths, int num_paths) |
1319 | { | |
1320 | int i; | |
1321 | acpi_status status; | |
1322 | ||
1323 | for (i = 0; i < num_paths; i++) { | |
1324 | status = acpi_get_handle(NULL, paths[i], handle); | |
1325 | if (ACPI_SUCCESS(status)) | |
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | *handle = NULL; | |
1330 | return -ENODEV; | |
1331 | } | |
1332 | ||
1333 | #define ASUS_HANDLE_INIT(object) \ | |
1334 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1335 | ARRAY_SIZE(object##_paths)) | |
1336 | ||
85091b71 | 1337 | /* |
50a90c4d CC |
1338 | * This function is used to initialize the context with right values. In this |
1339 | * method, we can make all the detection we want, and modify the asus_laptop | |
1340 | * struct | |
85091b71 | 1341 | */ |
7c247645 | 1342 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1343 | { |
1344 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1345 | union acpi_object *model = NULL; |
27663c58 | 1346 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1347 | char *string = NULL; |
1348 | acpi_status status; | |
1349 | ||
1350 | /* | |
1351 | * Get DSDT headers early enough to allow for differentiating between | |
1352 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1353 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1354 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1355 | * HID), this bit will be moved. |
85091b71 | 1356 | */ |
7c247645 | 1357 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1358 | if (ACPI_FAILURE(status)) |
2fcc23da | 1359 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1360 | |
1361 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1362 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1363 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1364 | return -ENODEV; |
1365 | } | |
1366 | ||
1367 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1368 | status = |
50a90c4d | 1369 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1370 | if (ACPI_FAILURE(status)) |
2fcc23da | 1371 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1372 | else if (bsts_result) |
2fcc23da | 1373 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1374 | (uint) bsts_result); |
85091b71 | 1375 | |
185e5af9 | 1376 | /* This too ... */ |
e5593bf1 CC |
1377 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1378 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1379 | /* |
1380 | * Try to match the object returned by INIT to the specific model. | |
1381 | * Handle every possible object (or the lack of thereof) the DSDT | |
1382 | * writers might throw at us. When in trouble, we pass NULL to | |
1383 | * asus_model_match() and try something completely different. | |
1384 | */ | |
1385 | if (buffer.pointer) { | |
1386 | model = buffer.pointer; | |
1387 | switch (model->type) { | |
1388 | case ACPI_TYPE_STRING: | |
1389 | string = model->string.pointer; | |
1390 | break; | |
1391 | case ACPI_TYPE_BUFFER: | |
1392 | string = model->buffer.pointer; | |
1393 | break; | |
1394 | default: | |
1395 | string = ""; | |
1396 | break; | |
1397 | } | |
1398 | } | |
50a90c4d CC |
1399 | asus->name = kstrdup(string, GFP_KERNEL); |
1400 | if (!asus->name) | |
85091b71 CC |
1401 | return -ENOMEM; |
1402 | ||
8def05fa | 1403 | if (*string) |
2fcc23da | 1404 | pr_notice(" %s model detected\n", string); |
85091b71 | 1405 | |
4564de17 CC |
1406 | /* |
1407 | * The HWRS method return informations about the hardware. | |
1408 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1409 | * The significance of others is yet to be found. | |
4564de17 | 1410 | */ |
9a816850 | 1411 | status = |
50a90c4d | 1412 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1413 | if (!ACPI_FAILURE(status)) |
1414 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1415 | |
d99b577c | 1416 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1417 | asus->have_rsts = true; |
4564de17 | 1418 | |
d99b577c | 1419 | /* Scheduled for removal */ |
6b7091e7 | 1420 | ASUS_HANDLE_INIT(lcd_switch); |
78127b4a CC |
1421 | ASUS_HANDLE_INIT(display_get); |
1422 | ||
85091b71 CC |
1423 | kfree(model); |
1424 | ||
1425 | return AE_OK; | |
1426 | } | |
1427 | ||
600ad520 CC |
1428 | static bool asus_device_present; |
1429 | ||
9129d14d | 1430 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1431 | { |
600ad520 | 1432 | int result = 0; |
85091b71 | 1433 | |
50a90c4d | 1434 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1435 | if (result) |
85091b71 | 1436 | return result; |
50a90c4d | 1437 | if (!asus->device->status.present) { |
600ad520 | 1438 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1439 | return -ENODEV; |
1440 | } | |
1441 | ||
7c247645 | 1442 | result = asus_laptop_get_info(asus); |
034ce90a | 1443 | if (result) |
600ad520 | 1444 | return result; |
034ce90a | 1445 | |
600ad520 | 1446 | /* WLED and BLED are on by default */ |
be4ee82d | 1447 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1448 | asus_bluetooth_set(asus, !!bluetooth_status); |
1449 | ||
d0930a2d CC |
1450 | if (wlan_status >= 0) |
1451 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1452 | |
600ad520 | 1453 | /* Keyboard Backlight is on by default */ |
d99b577c | 1454 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1455 | asus_kled_set(asus, 1); |
600ad520 CC |
1456 | |
1457 | /* LED display is off by default */ | |
50a90c4d | 1458 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1459 | |
1460 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1461 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1462 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1463 | |
d99b577c CC |
1464 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1465 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1466 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1467 | asus_als_level(asus, asus->light_level); |
d99b577c | 1468 | } |
600ad520 | 1469 | |
47ee0e99 | 1470 | asus->lcd_state = 1; /* LCD should be on when the module load */ |
600ad520 CC |
1471 | return result; |
1472 | } | |
1473 | ||
1474 | static int __devinit asus_acpi_add(struct acpi_device *device) | |
1475 | { | |
9129d14d | 1476 | struct asus_laptop *asus; |
600ad520 CC |
1477 | int result; |
1478 | ||
1479 | pr_notice("Asus Laptop Support version %s\n", | |
1480 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1481 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1482 | if (!asus) | |
600ad520 | 1483 | return -ENOMEM; |
50a90c4d CC |
1484 | asus->handle = device->handle; |
1485 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1486 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1487 | device->driver_data = asus; | |
1488 | asus->device = device; | |
600ad520 | 1489 | |
9129d14d | 1490 | result = asus_acpi_init(asus); |
8def05fa | 1491 | if (result) |
600ad520 | 1492 | goto fail_platform; |
85091b71 | 1493 | |
600ad520 CC |
1494 | /* |
1495 | * Register the platform device first. It is used as a parent for the | |
1496 | * sub-devices below. | |
1497 | */ | |
9129d14d | 1498 | result = asus_platform_init(asus); |
116bf2e0 | 1499 | if (result) |
600ad520 | 1500 | goto fail_platform; |
116bf2e0 CC |
1501 | |
1502 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1503 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1504 | if (result) |
1505 | goto fail_backlight; | |
1506 | } else | |
600ad520 | 1507 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1508 | |
9129d14d | 1509 | result = asus_input_init(asus); |
600ad520 CC |
1510 | if (result) |
1511 | goto fail_input; | |
1512 | ||
9129d14d | 1513 | result = asus_led_init(asus); |
600ad520 CC |
1514 | if (result) |
1515 | goto fail_led; | |
1516 | ||
18e1311e CC |
1517 | result = asus_rfkill_init(asus); |
1518 | if (result) | |
1519 | goto fail_rfkill; | |
1520 | ||
600ad520 | 1521 | asus_device_present = true; |
8def05fa | 1522 | return 0; |
85091b71 | 1523 | |
18e1311e CC |
1524 | fail_rfkill: |
1525 | asus_led_exit(asus); | |
600ad520 | 1526 | fail_led: |
9129d14d | 1527 | asus_input_exit(asus); |
600ad520 | 1528 | fail_input: |
9129d14d | 1529 | asus_backlight_exit(asus); |
116bf2e0 | 1530 | fail_backlight: |
9129d14d | 1531 | asus_platform_exit(asus); |
600ad520 | 1532 | fail_platform: |
50a90c4d CC |
1533 | kfree(asus->name); |
1534 | kfree(asus); | |
116bf2e0 | 1535 | |
600ad520 CC |
1536 | return result; |
1537 | } | |
116bf2e0 | 1538 | |
600ad520 CC |
1539 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1540 | { | |
9129d14d CC |
1541 | struct asus_laptop *asus = acpi_driver_data(device); |
1542 | ||
1543 | asus_backlight_exit(asus); | |
18e1311e | 1544 | asus_rfkill_exit(asus); |
9129d14d CC |
1545 | asus_led_exit(asus); |
1546 | asus_input_exit(asus); | |
1547 | asus_platform_exit(asus); | |
600ad520 | 1548 | |
50a90c4d CC |
1549 | kfree(asus->name); |
1550 | kfree(asus); | |
600ad520 CC |
1551 | return 0; |
1552 | } | |
1553 | ||
1554 | static const struct acpi_device_id asus_device_ids[] = { | |
1555 | {"ATK0100", 0}, | |
1556 | {"ATK0101", 0}, | |
1557 | {"", 0}, | |
1558 | }; | |
1559 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1560 | |
600ad520 | 1561 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1562 | .name = ASUS_LAPTOP_NAME, |
1563 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1564 | .owner = THIS_MODULE, |
1565 | .ids = asus_device_ids, | |
1566 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1567 | .ops = { | |
1568 | .add = asus_acpi_add, | |
1569 | .remove = asus_acpi_remove, | |
1570 | .notify = asus_acpi_notify, | |
1571 | }, | |
1572 | }; | |
85091b71 | 1573 | |
600ad520 CC |
1574 | static int __init asus_laptop_init(void) |
1575 | { | |
1576 | int result; | |
85091b71 | 1577 | |
600ad520 CC |
1578 | result = platform_driver_register(&platform_driver); |
1579 | if (result < 0) | |
1580 | return result; | |
034ce90a | 1581 | |
600ad520 CC |
1582 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1583 | if (result < 0) | |
1584 | goto fail_acpi_driver; | |
1585 | if (!asus_device_present) { | |
1586 | result = -ENODEV; | |
1587 | goto fail_no_device; | |
1588 | } | |
1589 | return 0; | |
85091b71 | 1590 | |
600ad520 CC |
1591 | fail_no_device: |
1592 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1593 | fail_acpi_driver: | |
1594 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1595 | return result; |
1596 | } | |
1597 | ||
600ad520 CC |
1598 | static void __exit asus_laptop_exit(void) |
1599 | { | |
1600 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1601 | platform_driver_unregister(&platform_driver); | |
1602 | } | |
1603 | ||
85091b71 CC |
1604 | module_init(asus_laptop_init); |
1605 | module_exit(asus_laptop_exit); |