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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; | |
c26d85cb | 79 | module_param(wapf, uint, 0444); |
185e5af9 CC |
80 | MODULE_PARM_DESC(wapf, "WAPF value"); |
81 | ||
668f4a03 DC |
82 | static int wlan_status = 1; |
83 | static int bluetooth_status = 1; | |
0e875f49 | 84 | |
c26d85cb | 85 | module_param(wlan_status, int, 0444); |
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 | ||
c26d85cb | 90 | module_param(bluetooth_status, int, 0444); |
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 } }, | |
b58baecd | 281 | {KE_KEY, 0xb5, { KEY_CALC } }, |
034ce90a CC |
282 | {KE_END, 0}, |
283 | }; | |
284 | ||
66a71dd1 | 285 | |
85091b71 CC |
286 | /* |
287 | * This function evaluates an ACPI method, given an int as parameter, the | |
288 | * method is searched within the scope of the handle, can be NULL. The output | |
289 | * of the method is written is output, which can also be NULL | |
290 | * | |
f8d1c94b | 291 | * returns 0 if write is successful, -1 else. |
85091b71 | 292 | */ |
d8c67323 CC |
293 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
294 | struct acpi_buffer *output) | |
85091b71 | 295 | { |
be966660 CC |
296 | struct acpi_object_list params; /* list of input parameters (an int) */ |
297 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
298 | acpi_status status; |
299 | ||
f8d1c94b | 300 | if (!handle) |
9fb866f3 | 301 | return -1; |
f8d1c94b | 302 | |
85091b71 CC |
303 | params.count = 1; |
304 | params.pointer = &in_obj; | |
305 | in_obj.type = ACPI_TYPE_INTEGER; | |
306 | in_obj.integer.value = val; | |
307 | ||
308 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
309 | if (status == AE_OK) |
310 | return 0; | |
311 | else | |
312 | return -1; | |
85091b71 CC |
313 | } |
314 | ||
d8c67323 CC |
315 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
316 | { | |
317 | return write_acpi_int_ret(handle, method, val, NULL); | |
318 | } | |
319 | ||
d99b577c CC |
320 | static int acpi_check_handle(acpi_handle handle, const char *method, |
321 | acpi_handle *ret) | |
322 | { | |
323 | acpi_status status; | |
324 | ||
325 | if (method == NULL) | |
326 | return -ENODEV; | |
327 | ||
328 | if (ret) | |
329 | status = acpi_get_handle(handle, (char *)method, | |
330 | ret); | |
331 | else { | |
332 | acpi_handle dummy; | |
333 | ||
334 | status = acpi_get_handle(handle, (char *)method, | |
335 | &dummy); | |
336 | } | |
337 | ||
338 | if (status != AE_OK) { | |
339 | if (ret) | |
340 | pr_warning("Error finding %s\n", method); | |
341 | return -ENODEV; | |
342 | } | |
343 | return 0; | |
344 | } | |
345 | ||
17e78f62 | 346 | /* Generic LED function */ |
aee0afb8 | 347 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
17e78f62 | 348 | int value) |
be18cdab | 349 | { |
d99b577c | 350 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 351 | value = !value; |
d99b577c | 352 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
353 | value = !value + 1; |
354 | else | |
355 | value = !!value; | |
be18cdab | 356 | |
e5593bf1 | 357 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
358 | } |
359 | ||
be4ee82d CC |
360 | /* |
361 | * LEDs | |
362 | */ | |
be18cdab | 363 | /* /sys/class/led handlers */ |
aee0afb8 CC |
364 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
365 | enum led_brightness value) | |
366 | { | |
367 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); | |
368 | struct asus_laptop *asus = led->asus; | |
369 | ||
370 | led->wk = !!value; | |
371 | queue_work(asus->led_workqueue, &led->work); | |
372 | } | |
be18cdab | 373 | |
aee0afb8 CC |
374 | static void asus_led_cdev_update(struct work_struct *work) |
375 | { | |
376 | struct asus_led *led = container_of(work, struct asus_led, work); | |
377 | struct asus_laptop *asus = led->asus; | |
378 | ||
379 | asus_led_set(asus, led->method, led->wk); | |
380 | } | |
381 | ||
382 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) | |
383 | { | |
384 | return led_cdev->brightness; | |
385 | } | |
be18cdab | 386 | |
b7d3fbc2 | 387 | /* |
be4ee82d | 388 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 389 | */ |
d99b577c | 390 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
391 | { |
392 | unsigned long long kblv; | |
393 | struct acpi_object_list params; | |
394 | union acpi_object in_obj; | |
395 | acpi_status rv; | |
396 | ||
397 | params.count = 1; | |
398 | params.pointer = &in_obj; | |
399 | in_obj.type = ACPI_TYPE_INTEGER; | |
400 | in_obj.integer.value = 2; | |
401 | ||
d99b577c CC |
402 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
403 | ¶ms, &kblv); | |
b7d3fbc2 CC |
404 | if (ACPI_FAILURE(rv)) { |
405 | pr_warning("Error reading kled level\n"); | |
4d441513 | 406 | return -ENODEV; |
b7d3fbc2 CC |
407 | } |
408 | return kblv; | |
409 | } | |
410 | ||
4d441513 | 411 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
412 | { |
413 | if (kblv > 0) | |
414 | kblv = (1 << 7) | (kblv & 0x7F); | |
415 | else | |
416 | kblv = 0; | |
417 | ||
d99b577c | 418 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
b7d3fbc2 CC |
419 | pr_warning("Keyboard LED display write failed\n"); |
420 | return -EINVAL; | |
421 | } | |
422 | return 0; | |
423 | } | |
424 | ||
aee0afb8 CC |
425 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
426 | enum led_brightness value) | |
b7d3fbc2 | 427 | { |
aee0afb8 CC |
428 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
429 | struct asus_laptop *asus = led->asus; | |
9129d14d | 430 | |
060cbce6 | 431 | led->wk = value; |
aee0afb8 | 432 | queue_work(asus->led_workqueue, &led->work); |
b7d3fbc2 CC |
433 | } |
434 | ||
aee0afb8 | 435 | static void asus_kled_cdev_update(struct work_struct *work) |
b7d3fbc2 | 436 | { |
aee0afb8 CC |
437 | struct asus_led *led = container_of(work, struct asus_led, work); |
438 | struct asus_laptop *asus = led->asus; | |
9129d14d | 439 | |
aee0afb8 | 440 | asus_kled_set(asus, led->wk); |
b7d3fbc2 CC |
441 | } |
442 | ||
aee0afb8 | 443 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
b7d3fbc2 | 444 | { |
aee0afb8 CC |
445 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
446 | struct asus_laptop *asus = led->asus; | |
d99b577c CC |
447 | |
448 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
449 | } |
450 | ||
be4ee82d CC |
451 | static void asus_led_exit(struct asus_laptop *asus) |
452 | { | |
aee0afb8 CC |
453 | if (asus->mled.led.dev) |
454 | led_classdev_unregister(&asus->mled.led); | |
455 | if (asus->tled.led.dev) | |
456 | led_classdev_unregister(&asus->tled.led); | |
457 | if (asus->pled.led.dev) | |
458 | led_classdev_unregister(&asus->pled.led); | |
459 | if (asus->rled.led.dev) | |
460 | led_classdev_unregister(&asus->rled.led); | |
461 | if (asus->gled.led.dev) | |
462 | led_classdev_unregister(&asus->gled.led); | |
463 | if (asus->kled.led.dev) | |
464 | led_classdev_unregister(&asus->kled.led); | |
465 | if (asus->led_workqueue) { | |
466 | destroy_workqueue(asus->led_workqueue); | |
467 | asus->led_workqueue = NULL; | |
be4ee82d CC |
468 | } |
469 | } | |
470 | ||
471 | /* Ugly macro, need to fix that later */ | |
aee0afb8 CC |
472 | static int asus_led_register(struct asus_laptop *asus, |
473 | struct asus_led *led, | |
474 | const char *name, const char *method) | |
475 | { | |
476 | struct led_classdev *led_cdev = &led->led; | |
477 | ||
478 | if (!method || acpi_check_handle(asus->handle, method, NULL)) | |
060cbce6 | 479 | return 0; /* Led not present */ |
aee0afb8 CC |
480 | |
481 | led->asus = asus; | |
482 | led->method = method; | |
483 | ||
484 | INIT_WORK(&led->work, asus_led_cdev_update); | |
485 | led_cdev->name = name; | |
486 | led_cdev->brightness_set = asus_led_cdev_set; | |
487 | led_cdev->brightness_get = asus_led_cdev_get; | |
488 | led_cdev->max_brightness = 1; | |
489 | return led_classdev_register(&asus->platform_device->dev, led_cdev); | |
490 | } | |
be4ee82d CC |
491 | |
492 | static int asus_led_init(struct asus_laptop *asus) | |
493 | { | |
aee0afb8 | 494 | int r; |
be4ee82d CC |
495 | |
496 | /* | |
497 | * Functions that actually update the LED's are called from a | |
498 | * workqueue. By doing this as separate work rather than when the LED | |
499 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
500 | * potentially bad time, such as a timer interrupt. | |
501 | */ | |
aee0afb8 CC |
502 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
503 | if (!asus->led_workqueue) | |
be4ee82d CC |
504 | return -ENOMEM; |
505 | ||
aee0afb8 CC |
506 | r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED); |
507 | if (r) | |
508 | goto error; | |
509 | r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED); | |
510 | if (r) | |
511 | goto error; | |
512 | r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED); | |
513 | if (r) | |
514 | goto error; | |
515 | r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED); | |
516 | if (r) | |
517 | goto error; | |
518 | r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED); | |
519 | if (r) | |
520 | goto error; | |
d99b577c | 521 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
aee0afb8 CC |
522 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
523 | struct asus_led *led = &asus->kled; | |
524 | struct led_classdev *cdev = &led->led; | |
525 | ||
526 | led->asus = asus; | |
527 | ||
528 | INIT_WORK(&led->work, asus_kled_cdev_update); | |
529 | cdev->name = "asus::kbd_backlight"; | |
530 | cdev->brightness_set = asus_kled_cdev_set; | |
531 | cdev->brightness_get = asus_kled_cdev_get; | |
532 | cdev->max_brightness = 3; | |
533 | r = led_classdev_register(&asus->platform_device->dev, cdev); | |
534 | } | |
be4ee82d | 535 | error: |
aee0afb8 | 536 | if (r) |
be4ee82d | 537 | asus_led_exit(asus); |
aee0afb8 | 538 | return r; |
be4ee82d CC |
539 | } |
540 | ||
541 | /* | |
542 | * Backlight device | |
543 | */ | |
3e68ae7c | 544 | static int asus_lcd_status(struct asus_laptop *asus) |
6b7091e7 | 545 | { |
3e68ae7c | 546 | return asus->lcd_state; |
6b7091e7 CC |
547 | } |
548 | ||
3e68ae7c | 549 | static int asus_lcd_set(struct asus_laptop *asus, int value) |
6b7091e7 CC |
550 | { |
551 | int lcd = 0; | |
552 | acpi_status status = 0; | |
553 | ||
3e68ae7c | 554 | lcd = !!value; |
6b7091e7 | 555 | |
3e68ae7c | 556 | if (lcd == asus_lcd_status(asus)) |
6b7091e7 CC |
557 | return 0; |
558 | ||
3e68ae7c CC |
559 | if (!lcd_switch_handle) |
560 | return -ENODEV; | |
561 | ||
562 | status = acpi_evaluate_object(lcd_switch_handle, | |
563 | NULL, NULL, NULL); | |
6b7091e7 | 564 | |
3e68ae7c CC |
565 | if (ACPI_FAILURE(status)) { |
566 | pr_warning("Error switching LCD\n"); | |
567 | return -ENODEV; | |
6b7091e7 CC |
568 | } |
569 | ||
3e68ae7c | 570 | asus->lcd_state = lcd; |
6b7091e7 CC |
571 | return 0; |
572 | } | |
573 | ||
9129d14d | 574 | static void lcd_blank(struct asus_laptop *asus, int blank) |
6b7091e7 | 575 | { |
7c247645 | 576 | struct backlight_device *bd = asus->backlight_device; |
6b7091e7 | 577 | |
3e68ae7c CC |
578 | asus->lcd_state = (blank == FB_BLANK_UNBLANK); |
579 | ||
8def05fa | 580 | if (bd) { |
599a52d1 | 581 | bd->props.power = blank; |
28ee086d | 582 | backlight_update_status(bd); |
6b7091e7 CC |
583 | } |
584 | } | |
585 | ||
4d441513 | 586 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 587 | { |
d99b577c | 588 | struct asus_laptop *asus = bl_get_data(bd); |
27663c58 | 589 | unsigned long long value; |
9a816850 | 590 | acpi_status rv = AE_OK; |
6b7091e7 | 591 | |
d99b577c CC |
592 | rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, |
593 | NULL, &value); | |
9a816850 | 594 | if (ACPI_FAILURE(rv)) |
2fcc23da | 595 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
596 | |
597 | return value; | |
598 | } | |
599 | ||
4d441513 | 600 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 601 | { |
d99b577c CC |
602 | struct asus_laptop *asus = bl_get_data(bd); |
603 | ||
604 | if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) { | |
2fcc23da | 605 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 606 | return -EIO; |
6b7091e7 | 607 | } |
e5b50f6a | 608 | return 0; |
6b7091e7 CC |
609 | } |
610 | ||
611 | static int update_bl_status(struct backlight_device *bd) | |
612 | { | |
9129d14d | 613 | struct asus_laptop *asus = bl_get_data(bd); |
6b7091e7 | 614 | int rv; |
599a52d1 | 615 | int value = bd->props.brightness; |
6b7091e7 | 616 | |
4d441513 | 617 | rv = asus_set_brightness(bd, value); |
8def05fa | 618 | if (rv) |
6b7091e7 CC |
619 | return rv; |
620 | ||
599a52d1 | 621 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
3e68ae7c | 622 | return asus_lcd_set(asus, value); |
6b7091e7 CC |
623 | } |
624 | ||
be4ee82d | 625 | static struct backlight_ops asusbl_ops = { |
4d441513 | 626 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
627 | .update_status = update_bl_status, |
628 | }; | |
629 | ||
a539df5e CC |
630 | static int asus_backlight_notify(struct asus_laptop *asus) |
631 | { | |
632 | struct backlight_device *bd = asus->backlight_device; | |
633 | int old = bd->props.brightness; | |
634 | ||
635 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
636 | ||
637 | return old; | |
638 | } | |
639 | ||
be4ee82d CC |
640 | static int asus_backlight_init(struct asus_laptop *asus) |
641 | { | |
642 | struct backlight_device *bd; | |
a19a6ee6 | 643 | struct backlight_properties props; |
be4ee82d | 644 | |
71e687dc 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) | |
648 | return 0; | |
be4ee82d | 649 | |
71e687dc CC |
650 | memset(&props, 0, sizeof(struct backlight_properties)); |
651 | props.max_brightness = 15; | |
be4ee82d | 652 | |
71e687dc CC |
653 | bd = backlight_device_register(ASUS_LAPTOP_FILE, |
654 | &asus->platform_device->dev, asus, | |
655 | &asusbl_ops, &props); | |
656 | if (IS_ERR(bd)) { | |
657 | pr_err("Could not register asus backlight device\n"); | |
658 | asus->backlight_device = NULL; | |
659 | return PTR_ERR(bd); | |
be4ee82d | 660 | } |
71e687dc CC |
661 | |
662 | asus->backlight_device = bd; | |
663 | bd->props.brightness = asus_read_brightness(bd); | |
664 | bd->props.power = FB_BLANK_UNBLANK; | |
665 | backlight_update_status(bd); | |
be4ee82d CC |
666 | return 0; |
667 | } | |
668 | ||
669 | static void asus_backlight_exit(struct asus_laptop *asus) | |
670 | { | |
671 | if (asus->backlight_device) | |
672 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 673 | asus->backlight_device = NULL; |
be4ee82d CC |
674 | } |
675 | ||
85091b71 CC |
676 | /* |
677 | * Platform device handlers | |
678 | */ | |
679 | ||
680 | /* | |
681 | * We write our info in page, we begin at offset off and cannot write more | |
682 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
683 | * number of bytes written in page | |
684 | */ | |
685 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 686 | struct device_attribute *attr, char *page) |
85091b71 | 687 | { |
9129d14d | 688 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 689 | int len = 0; |
27663c58 | 690 | unsigned long long temp; |
be966660 | 691 | char buf[16]; /* enough for all info */ |
9a816850 CC |
692 | acpi_status rv = AE_OK; |
693 | ||
85091b71 | 694 | /* |
060cbce6 CC |
695 | * We use the easy way, we don't care of off and count, |
696 | * so we don't set eof to 1 | |
85091b71 CC |
697 | */ |
698 | ||
50a90c4d CC |
699 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
700 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
701 | /* |
702 | * The SFUN method probably allows the original driver to get the list | |
703 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
704 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
705 | * The significance of others is yet to be found. | |
706 | */ | |
50a90c4d | 707 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 708 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
709 | len += sprintf(page + len, "SFUN value : %#x\n", |
710 | (uint) temp); | |
711 | /* | |
712 | * The HWRS method return informations about the hardware. | |
713 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
714 | * The significance of others is yet to be found. | |
715 | * If we don't find the method, we assume the device are present. | |
716 | */ | |
50a90c4d | 717 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
718 | if (!ACPI_FAILURE(rv)) |
719 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 720 | (uint) temp); |
85091b71 CC |
721 | /* |
722 | * Another value for userspace: the ASYM method returns 0x02 for | |
723 | * battery low and 0x04 for battery critical, its readings tend to be | |
724 | * more accurate than those provided by _BST. | |
725 | * Note: since not all the laptops provide this method, errors are | |
726 | * silently ignored. | |
727 | */ | |
50a90c4d | 728 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 729 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 730 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 731 | (uint) temp); |
7c247645 CC |
732 | if (asus->dsdt_info) { |
733 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 734 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 735 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 736 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 737 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 738 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 739 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 740 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 741 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 742 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 743 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 744 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 745 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 746 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 747 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
748 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
749 | } | |
750 | ||
751 | return len; | |
752 | } | |
753 | ||
754 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
755 | { | |
756 | if (!count) | |
757 | return 0; | |
758 | if (count > 31) | |
759 | return -EINVAL; | |
760 | if (sscanf(buf, "%i", val) != 1) | |
761 | return -EINVAL; | |
762 | return count; | |
763 | } | |
764 | ||
17e78f62 CC |
765 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
766 | const char *buf, size_t count, | |
d99b577c | 767 | const char *method) |
4564de17 CC |
768 | { |
769 | int rv, value; | |
770 | int out = 0; | |
771 | ||
772 | rv = parse_arg(buf, count, &value); | |
773 | if (rv > 0) | |
774 | out = value ? 1 : 0; | |
775 | ||
d99b577c | 776 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 777 | return -ENODEV; |
4564de17 CC |
778 | return rv; |
779 | } | |
780 | ||
722ad971 CC |
781 | /* |
782 | * LEDD display | |
783 | */ | |
784 | static ssize_t show_ledd(struct device *dev, | |
785 | struct device_attribute *attr, char *buf) | |
786 | { | |
9129d14d CC |
787 | struct asus_laptop *asus = dev_get_drvdata(dev); |
788 | ||
50a90c4d | 789 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
790 | } |
791 | ||
792 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
793 | const char *buf, size_t count) | |
794 | { | |
9129d14d | 795 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
796 | int rv, value; |
797 | ||
798 | rv = parse_arg(buf, count, &value); | |
799 | if (rv > 0) { | |
6a984a06 | 800 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) { |
2fcc23da | 801 | pr_warning("LED display write failed\n"); |
6a984a06 AL |
802 | return -ENODEV; |
803 | } | |
804 | asus->ledd_status = (u32) value; | |
722ad971 CC |
805 | } |
806 | return rv; | |
807 | } | |
808 | ||
aa9df930 CC |
809 | /* |
810 | * Wireless | |
811 | */ | |
812 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
813 | { | |
814 | unsigned long long status; | |
815 | acpi_status rv = AE_OK; | |
816 | ||
817 | if (!asus->have_rsts) | |
818 | return (asus->wireless_status & mask) ? 1 : 0; | |
819 | ||
d99b577c CC |
820 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
821 | NULL, &status); | |
aa9df930 CC |
822 | if (ACPI_FAILURE(rv)) { |
823 | pr_warning("Error reading Wireless status\n"); | |
824 | return -EINVAL; | |
825 | } | |
826 | return !!(status & mask); | |
827 | } | |
828 | ||
4564de17 CC |
829 | /* |
830 | * WLAN | |
831 | */ | |
e5593bf1 CC |
832 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
833 | { | |
834 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
835 | pr_warning("Error setting wlan status to %d", status); | |
836 | return -EIO; | |
837 | } | |
838 | return 0; | |
839 | } | |
840 | ||
4564de17 CC |
841 | static ssize_t show_wlan(struct device *dev, |
842 | struct device_attribute *attr, char *buf) | |
843 | { | |
9129d14d CC |
844 | struct asus_laptop *asus = dev_get_drvdata(dev); |
845 | ||
17e78f62 | 846 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
847 | } |
848 | ||
849 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
850 | const char *buf, size_t count) | |
851 | { | |
9129d14d CC |
852 | struct asus_laptop *asus = dev_get_drvdata(dev); |
853 | ||
d99b577c | 854 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
855 | } |
856 | ||
857 | /* | |
858 | * Bluetooth | |
859 | */ | |
e5593bf1 CC |
860 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
861 | { | |
862 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
863 | pr_warning("Error setting bluetooth status to %d", status); | |
864 | return -EIO; | |
865 | } | |
866 | return 0; | |
867 | } | |
868 | ||
4564de17 CC |
869 | static ssize_t show_bluetooth(struct device *dev, |
870 | struct device_attribute *attr, char *buf) | |
871 | { | |
9129d14d CC |
872 | struct asus_laptop *asus = dev_get_drvdata(dev); |
873 | ||
17e78f62 | 874 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
875 | } |
876 | ||
8def05fa LB |
877 | static ssize_t store_bluetooth(struct device *dev, |
878 | struct device_attribute *attr, const char *buf, | |
879 | size_t count) | |
4564de17 | 880 | { |
9129d14d CC |
881 | struct asus_laptop *asus = dev_get_drvdata(dev); |
882 | ||
d99b577c | 883 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
884 | } |
885 | ||
78127b4a CC |
886 | /* |
887 | * Display | |
888 | */ | |
4d441513 | 889 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
890 | { |
891 | /* no sanity check needed for now */ | |
d99b577c | 892 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 893 | pr_warning("Error setting display\n"); |
78127b4a CC |
894 | return; |
895 | } | |
896 | ||
9129d14d | 897 | static int read_display(struct asus_laptop *asus) |
78127b4a | 898 | { |
27663c58 | 899 | unsigned long long value = 0; |
9a816850 | 900 | acpi_status rv = AE_OK; |
78127b4a | 901 | |
be966660 CC |
902 | /* |
903 | * In most of the case, we know how to set the display, but sometime | |
904 | * we can't read it | |
905 | */ | |
8def05fa | 906 | if (display_get_handle) { |
9a816850 CC |
907 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
908 | NULL, &value); | |
909 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 910 | pr_warning("Error reading display status\n"); |
78127b4a CC |
911 | } |
912 | ||
060cbce6 | 913 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ |
78127b4a CC |
914 | |
915 | return value; | |
916 | } | |
8def05fa | 917 | |
78127b4a CC |
918 | /* |
919 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
920 | * complained. The significance of bits is the same as in store_disp() | |
921 | */ | |
922 | static ssize_t show_disp(struct device *dev, | |
923 | struct device_attribute *attr, char *buf) | |
924 | { | |
9129d14d CC |
925 | struct asus_laptop *asus = dev_get_drvdata(dev); |
926 | ||
2a1fd64c CC |
927 | if (!display_get_handle) |
928 | return -ENODEV; | |
9129d14d | 929 | return sprintf(buf, "%d\n", read_display(asus)); |
78127b4a CC |
930 | } |
931 | ||
932 | /* | |
933 | * Experimental support for display switching. As of now: 1 should activate | |
934 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
935 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
936 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
937 | * for more info. | |
938 | */ | |
939 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
940 | const char *buf, size_t count) | |
941 | { | |
9129d14d | 942 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
943 | int rv, value; |
944 | ||
945 | rv = parse_arg(buf, count, &value); | |
946 | if (rv > 0) | |
4d441513 | 947 | asus_set_display(asus, value); |
78127b4a CC |
948 | return rv; |
949 | } | |
950 | ||
8b857353 CC |
951 | /* |
952 | * Light Sens | |
953 | */ | |
4d441513 | 954 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 955 | { |
d99b577c | 956 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 957 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 958 | asus->light_switch = value; |
8b857353 CC |
959 | } |
960 | ||
961 | static ssize_t show_lssw(struct device *dev, | |
962 | struct device_attribute *attr, char *buf) | |
963 | { | |
9129d14d CC |
964 | struct asus_laptop *asus = dev_get_drvdata(dev); |
965 | ||
50a90c4d | 966 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
967 | } |
968 | ||
969 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
970 | const char *buf, size_t count) | |
971 | { | |
9129d14d | 972 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
973 | int rv, value; |
974 | ||
975 | rv = parse_arg(buf, count, &value); | |
976 | if (rv > 0) | |
4d441513 | 977 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
978 | |
979 | return rv; | |
980 | } | |
981 | ||
4d441513 | 982 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 983 | { |
d99b577c | 984 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 985 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 986 | asus->light_level = value; |
8b857353 CC |
987 | } |
988 | ||
989 | static ssize_t show_lslvl(struct device *dev, | |
990 | struct device_attribute *attr, char *buf) | |
991 | { | |
9129d14d CC |
992 | struct asus_laptop *asus = dev_get_drvdata(dev); |
993 | ||
50a90c4d | 994 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
995 | } |
996 | ||
997 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
998 | const char *buf, size_t count) | |
999 | { | |
9129d14d | 1000 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
1001 | int rv, value; |
1002 | ||
1003 | rv = parse_arg(buf, count, &value); | |
1004 | if (rv > 0) { | |
1005 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
1006 | /* 0 <= value <= 15 */ | |
4d441513 | 1007 | asus_als_level(asus, value); |
8b857353 CC |
1008 | } |
1009 | ||
1010 | return rv; | |
1011 | } | |
1012 | ||
e539c2f6 CC |
1013 | /* |
1014 | * GPS | |
1015 | */ | |
6358bf2c CC |
1016 | static int asus_gps_status(struct asus_laptop *asus) |
1017 | { | |
1018 | unsigned long long status; | |
1019 | acpi_status rv = AE_OK; | |
1020 | ||
d99b577c CC |
1021 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
1022 | NULL, &status); | |
6358bf2c CC |
1023 | if (ACPI_FAILURE(rv)) { |
1024 | pr_warning("Error reading GPS status\n"); | |
1025 | return -ENODEV; | |
1026 | } | |
1027 | return !!status; | |
1028 | } | |
1029 | ||
1030 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
1031 | { | |
d99b577c | 1032 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 1033 | |
d99b577c | 1034 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
1035 | return -ENODEV; |
1036 | return 0; | |
1037 | } | |
1038 | ||
e539c2f6 CC |
1039 | static ssize_t show_gps(struct device *dev, |
1040 | struct device_attribute *attr, char *buf) | |
1041 | { | |
9129d14d CC |
1042 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1043 | ||
6358bf2c | 1044 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1045 | } |
1046 | ||
1047 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1048 | const char *buf, size_t count) | |
1049 | { | |
060cbce6 | 1050 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1051 | int rv, value; |
1052 | int ret; | |
9129d14d | 1053 | |
6358bf2c CC |
1054 | rv = parse_arg(buf, count, &value); |
1055 | if (rv <= 0) | |
1056 | return -EINVAL; | |
1057 | ret = asus_gps_switch(asus, !!value); | |
1058 | if (ret) | |
1059 | return ret; | |
18e1311e | 1060 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1061 | return rv; |
e539c2f6 CC |
1062 | } |
1063 | ||
18e1311e CC |
1064 | /* |
1065 | * rfkill | |
1066 | */ | |
1067 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1068 | { | |
1069 | acpi_handle handle = data; | |
1070 | ||
1071 | return asus_gps_switch(handle, !blocked); | |
1072 | } | |
1073 | ||
1074 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1075 | .set_block = asus_gps_rfkill_set, | |
1076 | }; | |
1077 | ||
1078 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1079 | { | |
1080 | if (asus->gps_rfkill) { | |
1081 | rfkill_unregister(asus->gps_rfkill); | |
1082 | rfkill_destroy(asus->gps_rfkill); | |
1083 | asus->gps_rfkill = NULL; | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1088 | { | |
1089 | int result; | |
1090 | ||
1091 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1092 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1093 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1094 | return 0; | |
1095 | ||
1096 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1097 | RFKILL_TYPE_GPS, | |
1098 | &asus_gps_rfkill_ops, NULL); | |
1099 | if (!asus->gps_rfkill) | |
1100 | return -EINVAL; | |
1101 | ||
1102 | result = rfkill_register(asus->gps_rfkill); | |
1103 | if (result) { | |
1104 | rfkill_destroy(asus->gps_rfkill); | |
1105 | asus->gps_rfkill = NULL; | |
1106 | } | |
1107 | ||
1108 | return result; | |
1109 | } | |
1110 | ||
034ce90a | 1111 | /* |
be4ee82d | 1112 | * Input device (i.e. hotkeys) |
034ce90a | 1113 | */ |
be4ee82d CC |
1114 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1115 | { | |
66a71dd1 CC |
1116 | if (asus->inputdev) |
1117 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1118 | } |
1119 | ||
1120 | static int asus_input_init(struct asus_laptop *asus) | |
1121 | { | |
66a71dd1 CC |
1122 | struct input_dev *input; |
1123 | int error; | |
be4ee82d | 1124 | |
66a71dd1 CC |
1125 | input = input_allocate_device(); |
1126 | if (!input) { | |
be4ee82d | 1127 | pr_info("Unable to allocate input device\n"); |
45036ae1 | 1128 | return -ENOMEM; |
be4ee82d | 1129 | } |
66a71dd1 CC |
1130 | input->name = "Asus Laptop extra buttons"; |
1131 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1132 | input->id.bustype = BUS_HOST; | |
1133 | input->dev.parent = &asus->platform_device->dev; | |
66a71dd1 CC |
1134 | |
1135 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1136 | if (error) { | |
1137 | pr_err("Unable to setup input device keymap\n"); | |
45036ae1 | 1138 | goto err_free_dev; |
be4ee82d | 1139 | } |
66a71dd1 CC |
1140 | error = input_register_device(input); |
1141 | if (error) { | |
be4ee82d | 1142 | pr_info("Unable to register input device\n"); |
45036ae1 | 1143 | goto err_free_keymap; |
be4ee82d | 1144 | } |
66a71dd1 CC |
1145 | |
1146 | asus->inputdev = input; | |
1147 | return 0; | |
1148 | ||
45036ae1 | 1149 | err_free_keymap: |
66a71dd1 | 1150 | sparse_keymap_free(input); |
45036ae1 | 1151 | err_free_dev: |
66a71dd1 CC |
1152 | input_free_device(input); |
1153 | return error; | |
be4ee82d CC |
1154 | } |
1155 | ||
1156 | static void asus_input_exit(struct asus_laptop *asus) | |
1157 | { | |
66a71dd1 CC |
1158 | if (asus->inputdev) { |
1159 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1160 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1161 | } |
71e687dc | 1162 | asus->inputdev = NULL; |
be4ee82d CC |
1163 | } |
1164 | ||
1165 | /* | |
1166 | * ACPI driver | |
1167 | */ | |
600ad520 | 1168 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1169 | { |
9129d14d | 1170 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1171 | u16 count; |
034ce90a | 1172 | |
6b7091e7 CC |
1173 | /* |
1174 | * We need to tell the backlight device when the backlight power is | |
1175 | * switched | |
1176 | */ | |
3e68ae7c | 1177 | if (event == ATKD_LCD_ON) |
9129d14d | 1178 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1179 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1180 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1181 | |
619d8b11 | 1182 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1183 | count = asus->event_count[event % 128]++; |
1184 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1185 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1186 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1187 | count); |
85091b71 | 1188 | |
a539df5e CC |
1189 | /* Brightness events are special */ |
1190 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1191 | ||
1192 | /* Ignore them completely if the acpi video driver is used */ | |
1193 | if (asus->backlight_device != NULL) { | |
1194 | /* Update the backlight device. */ | |
1195 | asus_backlight_notify(asus); | |
1196 | } | |
1197 | return ; | |
1198 | } | |
be4ee82d | 1199 | asus_input_notify(asus, event); |
85091b71 CC |
1200 | } |
1201 | ||
2a1fd64c CC |
1202 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1203 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
1204 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth, | |
1205 | store_bluetooth); | |
1206 | static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); | |
1207 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); | |
1208 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1209 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1210 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1211 | ||
1212 | static void asus_sysfs_exit(struct asus_laptop *asus) | |
1213 | { | |
1214 | struct platform_device *device = asus->platform_device; | |
1215 | ||
1216 | device_remove_file(&device->dev, &dev_attr_infos); | |
1217 | device_remove_file(&device->dev, &dev_attr_wlan); | |
1218 | device_remove_file(&device->dev, &dev_attr_bluetooth); | |
1219 | device_remove_file(&device->dev, &dev_attr_display); | |
1220 | device_remove_file(&device->dev, &dev_attr_ledd); | |
1221 | device_remove_file(&device->dev, &dev_attr_ls_switch); | |
1222 | device_remove_file(&device->dev, &dev_attr_ls_level); | |
1223 | device_remove_file(&device->dev, &dev_attr_gps); | |
1224 | } | |
1225 | ||
1226 | static int asus_sysfs_init(struct asus_laptop *asus) | |
1227 | { | |
1228 | struct platform_device *device = asus->platform_device; | |
1229 | int err; | |
1230 | ||
1231 | err = device_create_file(&device->dev, &dev_attr_infos); | |
1232 | if (err) | |
1233 | return err; | |
1234 | ||
1235 | if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) { | |
1236 | err = device_create_file(&device->dev, &dev_attr_wlan); | |
1237 | if (err) | |
1238 | return err; | |
85091b71 CC |
1239 | } |
1240 | ||
2a1fd64c CC |
1241 | if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) { |
1242 | err = device_create_file(&device->dev, &dev_attr_bluetooth); | |
1243 | if (err) | |
1244 | return err; | |
1245 | } | |
85091b71 | 1246 | |
2a1fd64c CC |
1247 | if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) { |
1248 | err = device_create_file(&device->dev, &dev_attr_display); | |
1249 | if (err) | |
1250 | return err; | |
1251 | } | |
1252 | ||
1253 | if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) { | |
1254 | err = device_create_file(&device->dev, &dev_attr_ledd); | |
1255 | if (err) | |
1256 | return err; | |
1257 | } | |
1258 | ||
1259 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && | |
1260 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
1261 | err = device_create_file(&device->dev, &dev_attr_ls_switch); | |
1262 | if (err) | |
1263 | return err; | |
1264 | err = device_create_file(&device->dev, &dev_attr_ls_level); | |
1265 | if (err) | |
1266 | return err; | |
1267 | } | |
1268 | ||
1269 | if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) && | |
1270 | !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) && | |
1271 | !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) { | |
1272 | err = device_create_file(&device->dev, &dev_attr_gps); | |
1273 | if (err) | |
1274 | return err; | |
1275 | } | |
1276 | ||
1277 | return err; | |
1278 | } | |
85091b71 | 1279 | |
9129d14d | 1280 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1281 | { |
71e687dc | 1282 | int result; |
600ad520 | 1283 | |
50a90c4d CC |
1284 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1285 | if (!asus->platform_device) | |
600ad520 | 1286 | return -ENOMEM; |
9129d14d | 1287 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1288 | |
71e687dc CC |
1289 | result = platform_device_add(asus->platform_device); |
1290 | if (result) | |
600ad520 CC |
1291 | goto fail_platform_device; |
1292 | ||
71e687dc CC |
1293 | result = asus_sysfs_init(asus); |
1294 | if (result) | |
600ad520 CC |
1295 | goto fail_sysfs; |
1296 | return 0; | |
1297 | ||
1298 | fail_sysfs: | |
2a1fd64c | 1299 | asus_sysfs_exit(asus); |
50a90c4d | 1300 | platform_device_del(asus->platform_device); |
600ad520 | 1301 | fail_platform_device: |
50a90c4d | 1302 | platform_device_put(asus->platform_device); |
71e687dc | 1303 | return result; |
600ad520 CC |
1304 | } |
1305 | ||
9129d14d | 1306 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1307 | { |
2a1fd64c | 1308 | asus_sysfs_exit(asus); |
50a90c4d | 1309 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1310 | } |
1311 | ||
1312 | static struct platform_driver platform_driver = { | |
8def05fa | 1313 | .driver = { |
9129d14d CC |
1314 | .name = ASUS_LAPTOP_FILE, |
1315 | .owner = THIS_MODULE, | |
1316 | } | |
85091b71 CC |
1317 | }; |
1318 | ||
8def05fa | 1319 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1320 | char **paths, int num_paths) |
1321 | { | |
1322 | int i; | |
1323 | acpi_status status; | |
1324 | ||
1325 | for (i = 0; i < num_paths; i++) { | |
1326 | status = acpi_get_handle(NULL, paths[i], handle); | |
1327 | if (ACPI_SUCCESS(status)) | |
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | *handle = NULL; | |
1332 | return -ENODEV; | |
1333 | } | |
1334 | ||
1335 | #define ASUS_HANDLE_INIT(object) \ | |
1336 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1337 | ARRAY_SIZE(object##_paths)) | |
1338 | ||
85091b71 | 1339 | /* |
50a90c4d CC |
1340 | * This function is used to initialize the context with right values. In this |
1341 | * method, we can make all the detection we want, and modify the asus_laptop | |
1342 | * struct | |
85091b71 | 1343 | */ |
7c247645 | 1344 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1345 | { |
1346 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1347 | union acpi_object *model = NULL; |
27663c58 | 1348 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1349 | char *string = NULL; |
1350 | acpi_status status; | |
1351 | ||
1352 | /* | |
1353 | * Get DSDT headers early enough to allow for differentiating between | |
1354 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1355 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1356 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1357 | * HID), this bit will be moved. |
85091b71 | 1358 | */ |
7c247645 | 1359 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1360 | if (ACPI_FAILURE(status)) |
2fcc23da | 1361 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1362 | |
1363 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1364 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1365 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1366 | return -ENODEV; |
1367 | } | |
1368 | ||
1369 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1370 | status = |
50a90c4d | 1371 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1372 | if (ACPI_FAILURE(status)) |
2fcc23da | 1373 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1374 | else if (bsts_result) |
2fcc23da | 1375 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1376 | (uint) bsts_result); |
85091b71 | 1377 | |
185e5af9 | 1378 | /* This too ... */ |
e5593bf1 CC |
1379 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1380 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1381 | /* |
1382 | * Try to match the object returned by INIT to the specific model. | |
1383 | * Handle every possible object (or the lack of thereof) the DSDT | |
1384 | * writers might throw at us. When in trouble, we pass NULL to | |
1385 | * asus_model_match() and try something completely different. | |
1386 | */ | |
1387 | if (buffer.pointer) { | |
1388 | model = buffer.pointer; | |
1389 | switch (model->type) { | |
1390 | case ACPI_TYPE_STRING: | |
1391 | string = model->string.pointer; | |
1392 | break; | |
1393 | case ACPI_TYPE_BUFFER: | |
1394 | string = model->buffer.pointer; | |
1395 | break; | |
1396 | default: | |
1397 | string = ""; | |
1398 | break; | |
1399 | } | |
1400 | } | |
50a90c4d | 1401 | asus->name = kstrdup(string, GFP_KERNEL); |
d8eca110 AL |
1402 | if (!asus->name) { |
1403 | kfree(buffer.pointer); | |
85091b71 | 1404 | return -ENOMEM; |
d8eca110 | 1405 | } |
85091b71 | 1406 | |
8def05fa | 1407 | if (*string) |
2fcc23da | 1408 | pr_notice(" %s model detected\n", string); |
85091b71 | 1409 | |
4564de17 CC |
1410 | /* |
1411 | * The HWRS method return informations about the hardware. | |
1412 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1413 | * The significance of others is yet to be found. | |
4564de17 | 1414 | */ |
9a816850 | 1415 | status = |
50a90c4d | 1416 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1417 | if (!ACPI_FAILURE(status)) |
1418 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1419 | |
d99b577c | 1420 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1421 | asus->have_rsts = true; |
4564de17 | 1422 | |
d99b577c | 1423 | /* Scheduled for removal */ |
6b7091e7 | 1424 | ASUS_HANDLE_INIT(lcd_switch); |
78127b4a CC |
1425 | ASUS_HANDLE_INIT(display_get); |
1426 | ||
85091b71 CC |
1427 | kfree(model); |
1428 | ||
1429 | return AE_OK; | |
1430 | } | |
1431 | ||
9129d14d | 1432 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1433 | { |
600ad520 | 1434 | int result = 0; |
85091b71 | 1435 | |
50a90c4d | 1436 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1437 | if (result) |
85091b71 | 1438 | return result; |
50a90c4d | 1439 | if (!asus->device->status.present) { |
600ad520 | 1440 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1441 | return -ENODEV; |
1442 | } | |
1443 | ||
7c247645 | 1444 | result = asus_laptop_get_info(asus); |
034ce90a | 1445 | if (result) |
600ad520 | 1446 | return result; |
034ce90a | 1447 | |
600ad520 | 1448 | /* WLED and BLED are on by default */ |
be4ee82d | 1449 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1450 | asus_bluetooth_set(asus, !!bluetooth_status); |
1451 | ||
d0930a2d CC |
1452 | if (wlan_status >= 0) |
1453 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1454 | |
600ad520 | 1455 | /* Keyboard Backlight is on by default */ |
d99b577c | 1456 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1457 | asus_kled_set(asus, 1); |
600ad520 CC |
1458 | |
1459 | /* LED display is off by default */ | |
50a90c4d | 1460 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1461 | |
1462 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1463 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1464 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1465 | |
d99b577c CC |
1466 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1467 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1468 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1469 | asus_als_level(asus, asus->light_level); |
d99b577c | 1470 | } |
600ad520 | 1471 | |
47ee0e99 | 1472 | asus->lcd_state = 1; /* LCD should be on when the module load */ |
600ad520 CC |
1473 | return result; |
1474 | } | |
1475 | ||
71e687dc CC |
1476 | static bool asus_device_present; |
1477 | ||
600ad520 CC |
1478 | static int __devinit asus_acpi_add(struct acpi_device *device) |
1479 | { | |
9129d14d | 1480 | struct asus_laptop *asus; |
600ad520 CC |
1481 | int result; |
1482 | ||
1483 | pr_notice("Asus Laptop Support version %s\n", | |
1484 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1485 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1486 | if (!asus) | |
600ad520 | 1487 | return -ENOMEM; |
50a90c4d CC |
1488 | asus->handle = device->handle; |
1489 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1490 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1491 | device->driver_data = asus; | |
1492 | asus->device = device; | |
600ad520 | 1493 | |
9129d14d | 1494 | result = asus_acpi_init(asus); |
8def05fa | 1495 | if (result) |
600ad520 | 1496 | goto fail_platform; |
85091b71 | 1497 | |
600ad520 CC |
1498 | /* |
1499 | * Register the platform device first. It is used as a parent for the | |
1500 | * sub-devices below. | |
1501 | */ | |
9129d14d | 1502 | result = asus_platform_init(asus); |
116bf2e0 | 1503 | if (result) |
600ad520 | 1504 | goto fail_platform; |
116bf2e0 CC |
1505 | |
1506 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1507 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1508 | if (result) |
1509 | goto fail_backlight; | |
1510 | } else | |
600ad520 | 1511 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1512 | |
9129d14d | 1513 | result = asus_input_init(asus); |
600ad520 CC |
1514 | if (result) |
1515 | goto fail_input; | |
1516 | ||
9129d14d | 1517 | result = asus_led_init(asus); |
600ad520 CC |
1518 | if (result) |
1519 | goto fail_led; | |
1520 | ||
18e1311e CC |
1521 | result = asus_rfkill_init(asus); |
1522 | if (result) | |
1523 | goto fail_rfkill; | |
1524 | ||
600ad520 | 1525 | asus_device_present = true; |
8def05fa | 1526 | return 0; |
85091b71 | 1527 | |
18e1311e CC |
1528 | fail_rfkill: |
1529 | asus_led_exit(asus); | |
600ad520 | 1530 | fail_led: |
9129d14d | 1531 | asus_input_exit(asus); |
600ad520 | 1532 | fail_input: |
9129d14d | 1533 | asus_backlight_exit(asus); |
116bf2e0 | 1534 | fail_backlight: |
9129d14d | 1535 | asus_platform_exit(asus); |
600ad520 | 1536 | fail_platform: |
50a90c4d CC |
1537 | kfree(asus->name); |
1538 | kfree(asus); | |
116bf2e0 | 1539 | |
600ad520 CC |
1540 | return result; |
1541 | } | |
116bf2e0 | 1542 | |
600ad520 CC |
1543 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1544 | { | |
9129d14d CC |
1545 | struct asus_laptop *asus = acpi_driver_data(device); |
1546 | ||
1547 | asus_backlight_exit(asus); | |
18e1311e | 1548 | asus_rfkill_exit(asus); |
9129d14d CC |
1549 | asus_led_exit(asus); |
1550 | asus_input_exit(asus); | |
1551 | asus_platform_exit(asus); | |
600ad520 | 1552 | |
50a90c4d CC |
1553 | kfree(asus->name); |
1554 | kfree(asus); | |
600ad520 CC |
1555 | return 0; |
1556 | } | |
1557 | ||
1558 | static const struct acpi_device_id asus_device_ids[] = { | |
1559 | {"ATK0100", 0}, | |
1560 | {"ATK0101", 0}, | |
1561 | {"", 0}, | |
1562 | }; | |
1563 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1564 | |
600ad520 | 1565 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1566 | .name = ASUS_LAPTOP_NAME, |
1567 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1568 | .owner = THIS_MODULE, |
1569 | .ids = asus_device_ids, | |
1570 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1571 | .ops = { | |
1572 | .add = asus_acpi_add, | |
1573 | .remove = asus_acpi_remove, | |
1574 | .notify = asus_acpi_notify, | |
1575 | }, | |
1576 | }; | |
85091b71 | 1577 | |
600ad520 CC |
1578 | static int __init asus_laptop_init(void) |
1579 | { | |
1580 | int result; | |
85091b71 | 1581 | |
600ad520 CC |
1582 | result = platform_driver_register(&platform_driver); |
1583 | if (result < 0) | |
1584 | return result; | |
034ce90a | 1585 | |
600ad520 CC |
1586 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1587 | if (result < 0) | |
1588 | goto fail_acpi_driver; | |
1589 | if (!asus_device_present) { | |
1590 | result = -ENODEV; | |
1591 | goto fail_no_device; | |
1592 | } | |
1593 | return 0; | |
85091b71 | 1594 | |
600ad520 CC |
1595 | fail_no_device: |
1596 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1597 | fail_acpi_driver: | |
1598 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1599 | return result; |
1600 | } | |
1601 | ||
600ad520 CC |
1602 | static void __exit asus_laptop_exit(void) |
1603 | { | |
1604 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1605 | platform_driver_unregister(&platform_driver); | |
1606 | } | |
1607 | ||
85091b71 CC |
1608 | module_init(asus_laptop_init); |
1609 | module_exit(asus_laptop_exit); |