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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 CC |
47 | #include <linux/platform_device.h> |
48 | #include <acpi/acpi_drivers.h> | |
49 | #include <acpi/acpi_bus.h> | |
50 | #include <asm/uaccess.h> | |
034ce90a | 51 | #include <linux/input.h> |
66a71dd1 | 52 | #include <linux/input/sparse-keymap.h> |
85091b71 | 53 | |
91687cc8 | 54 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 55 | |
50a90c4d CC |
56 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
57 | #define ASUS_LAPTOP_CLASS "hotkey" | |
58 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
59 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
60 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 61 | |
85091b71 | 62 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 63 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
64 | MODULE_LICENSE("GPL"); |
65 | ||
be966660 CC |
66 | /* |
67 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
68 | * The significance of values is yet to be found, but |
69 | * most of the time: | |
70 | * 0x0 will do nothing | |
71 | * 0x1 will allow to control the device with Fn+Fx key. | |
72 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
73 | * 0x5 like 0x1 or 0x4 | |
74 | * So, if something doesn't work as you want, just try other values =) | |
75 | */ | |
76 | static uint wapf = 1; | |
77 | module_param(wapf, uint, 0644); | |
78 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
79 | ||
d0930a2d | 80 | static uint wlan_status = 1; |
0e875f49 CC |
81 | static uint bluetooth_status = 1; |
82 | ||
d0930a2d CC |
83 | module_param(wlan_status, uint, 0644); |
84 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " | |
0e875f49 CC |
85 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
86 | "default is 1"); | |
87 | ||
88 | module_param(bluetooth_status, uint, 0644); | |
89 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
90 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
91 | "default is 1"); | |
92 | ||
be4ee82d CC |
93 | /* |
94 | * Some events we use, same for all Asus | |
95 | */ | |
96 | #define ATKD_BR_UP 0x10 | |
97 | #define ATKD_BR_DOWN 0x20 | |
98 | #define ATKD_LCD_ON 0x33 | |
99 | #define ATKD_LCD_OFF 0x34 | |
100 | ||
101 | /* | |
102 | * Known bits returned by \_SB.ATKD.HWRS | |
103 | */ | |
104 | #define WL_HWRS 0x80 | |
105 | #define BT_HWRS 0x100 | |
106 | ||
107 | /* | |
108 | * Flags for hotk status | |
109 | * WL_ON and BT_ON are also used for wireless_status() | |
110 | */ | |
17e78f62 CC |
111 | #define WL_RSTS 0x01 /* internal Wifi */ |
112 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
be4ee82d | 113 | |
85091b71 CC |
114 | #define ASUS_HANDLE(object, paths...) \ |
115 | static acpi_handle object##_handle = NULL; \ | |
116 | static char *object##_paths[] = { paths } | |
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 */ | |
8def05fa LB |
142 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
143 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
144 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
145 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
146 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 147 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
148 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
149 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 150 | |
78127b4a | 151 | /* Display */ |
d99b577c | 152 | #define METHOD_SWITCH_DISPLAY "SDSP" |
be966660 CC |
153 | ASUS_HANDLE(display_get, |
154 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
155 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
156 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
157 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
158 | /* A6V A6Q */ | |
159 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
160 | /* A6T, A6M */ | |
161 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
162 | /* L3C */ | |
163 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
164 | /* Z96F */ | |
165 | "\\_SB.PCI0.VGA.GETD", | |
166 | /* A2D */ | |
167 | "\\ACTD", | |
168 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
169 | "\\ADVG", | |
170 | /* P30 */ | |
171 | "\\DNXT", | |
172 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
173 | "\\INFB", | |
174 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
175 | "\\SSTE"); | |
176 | ||
d99b577c CC |
177 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
178 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ | |
8b857353 | 179 | |
e539c2f6 CC |
180 | /* GPS */ |
181 | /* R2H use different handle for GPS on/off */ | |
d99b577c CC |
182 | #define METHOD_GPS_ON "SDON" |
183 | #define METHOD_GPS_OFF "SDOF" | |
184 | #define METHOD_GPS_STATUS "GPST" | |
e539c2f6 | 185 | |
b7d3fbc2 | 186 | /* Keyboard light */ |
d99b577c CC |
187 | #define METHOD_KBD_LIGHT_SET "SLKB" |
188 | #define METHOD_KBD_LIGHT_GET "GLKB" | |
b7d3fbc2 | 189 | |
9129d14d CC |
190 | /* |
191 | * Define a specific led structure to keep the main structure clean | |
192 | */ | |
193 | #define ASUS_DEFINE_LED(object) \ | |
194 | int object##_wk; \ | |
195 | struct work_struct object##_work; \ | |
196 | struct led_classdev object; | |
197 | ||
198 | ||
199 | #define led_to_asus(led_cdev, led) \ | |
200 | container_of(container_of(led_cdev, struct asus_laptop_leds, \ | |
201 | led), \ | |
202 | struct asus_laptop, leds) | |
203 | #define work_to_asus(work, led) \ | |
204 | container_of(container_of(work, struct asus_laptop_leds, \ | |
205 | led##_work), \ | |
206 | struct asus_laptop, leds) | |
207 | ||
208 | struct asus_laptop_leds { | |
209 | ASUS_DEFINE_LED(mled) | |
210 | ASUS_DEFINE_LED(tled) | |
211 | ASUS_DEFINE_LED(rled) | |
212 | ASUS_DEFINE_LED(pled) | |
213 | ASUS_DEFINE_LED(gled) | |
214 | ASUS_DEFINE_LED(kled) | |
215 | struct workqueue_struct *workqueue; | |
216 | }; | |
217 | ||
85091b71 CC |
218 | /* |
219 | * This is the main structure, we can use it to store anything interesting | |
220 | * about the hotk device | |
221 | */ | |
50a90c4d | 222 | struct asus_laptop { |
be966660 | 223 | char *name; /* laptop name */ |
600ad520 | 224 | |
7c247645 | 225 | struct acpi_table_header *dsdt_info; |
600ad520 | 226 | struct platform_device *platform_device; |
7c247645 CC |
227 | struct acpi_device *device; /* the device we are in */ |
228 | struct backlight_device *backlight_device; | |
9129d14d | 229 | |
7c247645 | 230 | struct input_dev *inputdev; |
9129d14d CC |
231 | struct key_entry *keymap; |
232 | ||
233 | struct asus_laptop_leds leds; | |
7c247645 | 234 | |
aa9df930 CC |
235 | int wireless_status; |
236 | bool have_rsts; | |
3e68ae7c | 237 | int lcd_state; |
aa9df930 | 238 | |
be966660 | 239 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
240 | u32 ledd_status; /* status of the LED display */ |
241 | u8 light_level; /* light sensor level */ | |
242 | u8 light_switch; /* light sensor switch value */ | |
243 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a | 244 | u16 *keycode_map; |
85091b71 CC |
245 | }; |
246 | ||
9129d14d | 247 | static const struct key_entry asus_keymap[] = { |
66a71dd1 CC |
248 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
249 | {KE_KEY, 0x05, { KEY_WLAN } }, | |
250 | {KE_KEY, 0x08, { KEY_F13 } }, | |
251 | {KE_KEY, 0x17, { KEY_ZOOM } }, | |
252 | {KE_KEY, 0x1f, { KEY_BATTERY } }, | |
253 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, | |
254 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, | |
255 | {KE_KEY, 0x32, { KEY_MUTE } }, | |
256 | {KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } }, | |
257 | {KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } }, | |
258 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, | |
259 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, | |
260 | {KE_KEY, 0x43, { KEY_STOPCD } }, | |
261 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, | |
262 | {KE_KEY, 0x4c, { KEY_MEDIA } }, | |
263 | {KE_KEY, 0x50, { KEY_EMAIL } }, | |
264 | {KE_KEY, 0x51, { KEY_WWW } }, | |
265 | {KE_KEY, 0x55, { KEY_CALC } }, | |
266 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ | |
267 | {KE_KEY, 0x5D, { KEY_WLAN } }, | |
268 | {KE_KEY, 0x5E, { KEY_WLAN } }, | |
269 | {KE_KEY, 0x5F, { KEY_WLAN } }, | |
270 | {KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, | |
271 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, | |
272 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, | |
273 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, | |
274 | {KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */ | |
7f607d71 CC |
275 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, |
276 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, | |
66a71dd1 CC |
277 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
278 | {KE_KEY, 0x88, { KEY_WLAN } }, | |
279 | {KE_KEY, 0x8A, { KEY_PROG1 } }, | |
280 | {KE_KEY, 0x95, { KEY_MEDIA } }, | |
281 | {KE_KEY, 0x99, { KEY_PHONE } }, | |
282 | {KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, | |
283 | {KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, | |
034ce90a CC |
284 | {KE_END, 0}, |
285 | }; | |
286 | ||
66a71dd1 | 287 | |
85091b71 CC |
288 | /* |
289 | * This function evaluates an ACPI method, given an int as parameter, the | |
290 | * method is searched within the scope of the handle, can be NULL. The output | |
291 | * of the method is written is output, which can also be NULL | |
292 | * | |
f8d1c94b | 293 | * returns 0 if write is successful, -1 else. |
85091b71 | 294 | */ |
d8c67323 CC |
295 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
296 | struct acpi_buffer *output) | |
85091b71 | 297 | { |
be966660 CC |
298 | struct acpi_object_list params; /* list of input parameters (an int) */ |
299 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
300 | acpi_status status; |
301 | ||
f8d1c94b CC |
302 | if (!handle) |
303 | return 0; | |
304 | ||
85091b71 CC |
305 | params.count = 1; |
306 | params.pointer = &in_obj; | |
307 | in_obj.type = ACPI_TYPE_INTEGER; | |
308 | in_obj.integer.value = val; | |
309 | ||
310 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
311 | if (status == AE_OK) |
312 | return 0; | |
313 | else | |
314 | return -1; | |
85091b71 CC |
315 | } |
316 | ||
d8c67323 CC |
317 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
318 | { | |
319 | return write_acpi_int_ret(handle, method, val, NULL); | |
320 | } | |
321 | ||
d99b577c CC |
322 | static int acpi_check_handle(acpi_handle handle, const char *method, |
323 | acpi_handle *ret) | |
324 | { | |
325 | acpi_status status; | |
326 | ||
327 | if (method == NULL) | |
328 | return -ENODEV; | |
329 | ||
330 | if (ret) | |
331 | status = acpi_get_handle(handle, (char *)method, | |
332 | ret); | |
333 | else { | |
334 | acpi_handle dummy; | |
335 | ||
336 | status = acpi_get_handle(handle, (char *)method, | |
337 | &dummy); | |
338 | } | |
339 | ||
340 | if (status != AE_OK) { | |
341 | if (ret) | |
342 | pr_warning("Error finding %s\n", method); | |
343 | return -ENODEV; | |
344 | } | |
345 | return 0; | |
346 | } | |
347 | ||
17e78f62 | 348 | /* Generic LED function */ |
e5593bf1 | 349 | static int asus_led_set(struct asus_laptop *asus, char *method, |
17e78f62 | 350 | int value) |
be18cdab | 351 | { |
d99b577c | 352 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 353 | value = !value; |
d99b577c | 354 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
355 | value = !value + 1; |
356 | else | |
357 | value = !!value; | |
be18cdab | 358 | |
e5593bf1 | 359 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
360 | } |
361 | ||
be4ee82d CC |
362 | /* |
363 | * LEDs | |
364 | */ | |
365 | #define ASUS_LED(object, ledname, max) \ | |
366 | static void object##_led_set(struct led_classdev *led_cdev, \ | |
367 | enum led_brightness value); \ | |
368 | static enum led_brightness object##_led_get( \ | |
369 | struct led_classdev *led_cdev); \ | |
370 | static void object##_led_update(struct work_struct *ignored); \ | |
371 | static struct led_classdev object##_led = { \ | |
372 | .name = "asus::" ledname, \ | |
373 | .brightness_set = object##_led_set, \ | |
374 | .brightness_get = object##_led_get, \ | |
375 | .max_brightness = max \ | |
376 | } | |
377 | ||
378 | ASUS_LED(mled, "mail", 1); | |
379 | ASUS_LED(tled, "touchpad", 1); | |
380 | ASUS_LED(rled, "record", 1); | |
381 | ASUS_LED(pled, "phone", 1); | |
382 | ASUS_LED(gled, "gaming", 1); | |
383 | ASUS_LED(kled, "kbd_backlight", 3); | |
384 | ||
be18cdab | 385 | /* /sys/class/led handlers */ |
d99b577c | 386 | #define ASUS_LED_HANDLER(object, method) \ |
be18cdab CC |
387 | static void object##_led_set(struct led_classdev *led_cdev, \ |
388 | enum led_brightness value) \ | |
389 | { \ | |
9129d14d CC |
390 | struct asus_laptop *asus = \ |
391 | led_to_asus(led_cdev, object); \ | |
392 | \ | |
393 | asus->leds.object##_wk = (value > 0) ? 1 : 0; \ | |
394 | queue_work(asus->leds.workqueue, \ | |
395 | &asus->leds.object##_work); \ | |
be18cdab | 396 | } \ |
9129d14d | 397 | static void object##_led_update(struct work_struct *work) \ |
be18cdab | 398 | { \ |
9129d14d CC |
399 | struct asus_laptop *asus = work_to_asus(work, object); \ |
400 | \ | |
401 | int value = asus->leds.object##_wk; \ | |
d99b577c | 402 | asus_led_set(asus, method, value); \ |
abfa57e1 CC |
403 | } \ |
404 | static enum led_brightness object##_led_get( \ | |
405 | struct led_classdev *led_cdev) \ | |
406 | { \ | |
407 | return led_cdev->brightness; \ | |
be18cdab CC |
408 | } |
409 | ||
d99b577c CC |
410 | ASUS_LED_HANDLER(mled, METHOD_MLED); |
411 | ASUS_LED_HANDLER(pled, METHOD_PLED); | |
412 | ASUS_LED_HANDLER(rled, METHOD_RLED); | |
413 | ASUS_LED_HANDLER(tled, METHOD_TLED); | |
414 | ASUS_LED_HANDLER(gled, METHOD_GLED); | |
be18cdab | 415 | |
b7d3fbc2 | 416 | /* |
be4ee82d | 417 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 418 | */ |
d99b577c | 419 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
420 | { |
421 | unsigned long long kblv; | |
422 | struct acpi_object_list params; | |
423 | union acpi_object in_obj; | |
424 | acpi_status rv; | |
425 | ||
426 | params.count = 1; | |
427 | params.pointer = &in_obj; | |
428 | in_obj.type = ACPI_TYPE_INTEGER; | |
429 | in_obj.integer.value = 2; | |
430 | ||
d99b577c CC |
431 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
432 | ¶ms, &kblv); | |
b7d3fbc2 CC |
433 | if (ACPI_FAILURE(rv)) { |
434 | pr_warning("Error reading kled level\n"); | |
4d441513 | 435 | return -ENODEV; |
b7d3fbc2 CC |
436 | } |
437 | return kblv; | |
438 | } | |
439 | ||
4d441513 | 440 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
441 | { |
442 | if (kblv > 0) | |
443 | kblv = (1 << 7) | (kblv & 0x7F); | |
444 | else | |
445 | kblv = 0; | |
446 | ||
d99b577c | 447 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
b7d3fbc2 CC |
448 | pr_warning("Keyboard LED display write failed\n"); |
449 | return -EINVAL; | |
450 | } | |
451 | return 0; | |
452 | } | |
453 | ||
454 | static void kled_led_set(struct led_classdev *led_cdev, | |
455 | enum led_brightness value) | |
456 | { | |
9129d14d CC |
457 | struct asus_laptop *asus = led_to_asus(led_cdev, kled); |
458 | ||
459 | asus->leds.kled_wk = value; | |
460 | queue_work(asus->leds.workqueue, &asus->leds.kled_work); | |
b7d3fbc2 CC |
461 | } |
462 | ||
9129d14d | 463 | static void kled_led_update(struct work_struct *work) |
b7d3fbc2 | 464 | { |
9129d14d CC |
465 | struct asus_laptop *asus = work_to_asus(work, kled); |
466 | ||
4d441513 | 467 | asus_kled_set(asus, asus->leds.kled_wk); |
b7d3fbc2 CC |
468 | } |
469 | ||
470 | static enum led_brightness kled_led_get(struct led_classdev *led_cdev) | |
471 | { | |
d99b577c CC |
472 | struct asus_laptop *asus = led_to_asus(led_cdev, kled); |
473 | ||
474 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
475 | } |
476 | ||
be4ee82d CC |
477 | #define ASUS_LED_UNREGISTER(object) \ |
478 | if (object##_led.dev) \ | |
479 | led_classdev_unregister(&object##_led) | |
480 | ||
481 | static void asus_led_exit(struct asus_laptop *asus) | |
482 | { | |
483 | ASUS_LED_UNREGISTER(mled); | |
484 | ASUS_LED_UNREGISTER(tled); | |
485 | ASUS_LED_UNREGISTER(pled); | |
486 | ASUS_LED_UNREGISTER(rled); | |
487 | ASUS_LED_UNREGISTER(gled); | |
488 | ASUS_LED_UNREGISTER(kled); | |
489 | if (asus->leds.workqueue) { | |
490 | destroy_workqueue(asus->leds.workqueue); | |
491 | asus->leds.workqueue = NULL; | |
492 | } | |
493 | } | |
494 | ||
495 | /* Ugly macro, need to fix that later */ | |
d99b577c | 496 | #define ASUS_LED_REGISTER(asus, object, _name, max, method) \ |
be4ee82d CC |
497 | do { \ |
498 | struct led_classdev *ldev = &asus->leds.object; \ | |
d99b577c CC |
499 | \ |
500 | if (method && acpi_check_handle(asus->handle, method, NULL)) \ | |
be4ee82d CC |
501 | break ; \ |
502 | \ | |
503 | INIT_WORK(&asus->leds.object##_work, object##_led_update); \ | |
504 | ldev->name = "asus::" _name; \ | |
505 | ldev->brightness_set = object##_led_set; \ | |
506 | ldev->max_brightness = max; \ | |
507 | rv = led_classdev_register(&asus->platform_device->dev, ldev); \ | |
508 | if (rv) \ | |
509 | goto error; \ | |
510 | } while (0) | |
511 | ||
512 | static int asus_led_init(struct asus_laptop *asus) | |
513 | { | |
514 | int rv; | |
515 | ||
516 | /* | |
517 | * Functions that actually update the LED's are called from a | |
518 | * workqueue. By doing this as separate work rather than when the LED | |
519 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
520 | * potentially bad time, such as a timer interrupt. | |
521 | */ | |
522 | asus->leds.workqueue = create_singlethread_workqueue("led_workqueue"); | |
523 | if (!asus->leds.workqueue) | |
524 | return -ENOMEM; | |
525 | ||
d99b577c CC |
526 | ASUS_LED_REGISTER(asus, mled, "mail", 1, METHOD_MLED); |
527 | ASUS_LED_REGISTER(asus, tled, "touchpad", 1, METHOD_TLED); | |
528 | ASUS_LED_REGISTER(asus, rled, "record", 1, METHOD_RLED); | |
529 | ASUS_LED_REGISTER(asus, pled, "phone", 1, METHOD_PLED); | |
530 | ASUS_LED_REGISTER(asus, gled, "gaming", 1, METHOD_GLED); | |
531 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && | |
532 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) | |
533 | ASUS_LED_REGISTER(asus, kled, "kbd_backlight", 3, NULL); | |
be4ee82d CC |
534 | error: |
535 | if (rv) | |
536 | asus_led_exit(asus); | |
537 | return rv; | |
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 | ||
629 | static int asus_backlight_init(struct asus_laptop *asus) | |
630 | { | |
631 | struct backlight_device *bd; | |
632 | struct device *dev = &asus->platform_device->dev; | |
633 | ||
d99b577c CC |
634 | if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) && |
635 | !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) && | |
636 | lcd_switch_handle) { | |
be4ee82d CC |
637 | bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, |
638 | asus, &asusbl_ops); | |
639 | if (IS_ERR(bd)) { | |
640 | pr_err("Could not register asus backlight device\n"); | |
641 | asus->backlight_device = NULL; | |
642 | return PTR_ERR(bd); | |
643 | } | |
644 | ||
645 | asus->backlight_device = bd; | |
646 | ||
647 | bd->props.max_brightness = 15; | |
be4ee82d | 648 | bd->props.power = FB_BLANK_UNBLANK; |
d99b577c | 649 | bd->props.brightness = asus_read_brightness(bd); |
be4ee82d CC |
650 | backlight_update_status(bd); |
651 | } | |
652 | return 0; | |
653 | } | |
654 | ||
655 | static void asus_backlight_exit(struct asus_laptop *asus) | |
656 | { | |
657 | if (asus->backlight_device) | |
658 | backlight_device_unregister(asus->backlight_device); | |
659 | } | |
660 | ||
85091b71 CC |
661 | /* |
662 | * Platform device handlers | |
663 | */ | |
664 | ||
665 | /* | |
666 | * We write our info in page, we begin at offset off and cannot write more | |
667 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
668 | * number of bytes written in page | |
669 | */ | |
670 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 671 | struct device_attribute *attr, char *page) |
85091b71 | 672 | { |
9129d14d | 673 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 674 | int len = 0; |
27663c58 | 675 | unsigned long long temp; |
be966660 | 676 | char buf[16]; /* enough for all info */ |
9a816850 CC |
677 | acpi_status rv = AE_OK; |
678 | ||
85091b71 CC |
679 | /* |
680 | * We use the easy way, we don't care of off and count, so we don't set eof | |
681 | * to 1 | |
682 | */ | |
683 | ||
50a90c4d CC |
684 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
685 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
686 | /* |
687 | * The SFUN method probably allows the original driver to get the list | |
688 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
689 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
690 | * The significance of others is yet to be found. | |
691 | */ | |
50a90c4d | 692 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 693 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
694 | len += sprintf(page + len, "SFUN value : %#x\n", |
695 | (uint) temp); | |
696 | /* | |
697 | * The HWRS method return informations about the hardware. | |
698 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
699 | * The significance of others is yet to be found. | |
700 | * If we don't find the method, we assume the device are present. | |
701 | */ | |
50a90c4d | 702 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
703 | if (!ACPI_FAILURE(rv)) |
704 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 705 | (uint) temp); |
85091b71 CC |
706 | /* |
707 | * Another value for userspace: the ASYM method returns 0x02 for | |
708 | * battery low and 0x04 for battery critical, its readings tend to be | |
709 | * more accurate than those provided by _BST. | |
710 | * Note: since not all the laptops provide this method, errors are | |
711 | * silently ignored. | |
712 | */ | |
50a90c4d | 713 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 714 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 715 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 716 | (uint) temp); |
7c247645 CC |
717 | if (asus->dsdt_info) { |
718 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 719 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 720 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 721 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 722 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 723 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 724 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 725 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 726 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 727 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 728 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 729 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 730 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 731 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 732 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
733 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
734 | } | |
735 | ||
736 | return len; | |
737 | } | |
738 | ||
739 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
740 | { | |
741 | if (!count) | |
742 | return 0; | |
743 | if (count > 31) | |
744 | return -EINVAL; | |
745 | if (sscanf(buf, "%i", val) != 1) | |
746 | return -EINVAL; | |
747 | return count; | |
748 | } | |
749 | ||
17e78f62 CC |
750 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
751 | const char *buf, size_t count, | |
d99b577c | 752 | const char *method) |
4564de17 CC |
753 | { |
754 | int rv, value; | |
755 | int out = 0; | |
756 | ||
757 | rv = parse_arg(buf, count, &value); | |
758 | if (rv > 0) | |
759 | out = value ? 1 : 0; | |
760 | ||
d99b577c | 761 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 762 | return -ENODEV; |
4564de17 CC |
763 | return rv; |
764 | } | |
765 | ||
722ad971 CC |
766 | /* |
767 | * LEDD display | |
768 | */ | |
769 | static ssize_t show_ledd(struct device *dev, | |
770 | struct device_attribute *attr, char *buf) | |
771 | { | |
9129d14d CC |
772 | struct asus_laptop *asus = dev_get_drvdata(dev); |
773 | ||
50a90c4d | 774 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
775 | } |
776 | ||
777 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
778 | const char *buf, size_t count) | |
779 | { | |
9129d14d | 780 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
781 | int rv, value; |
782 | ||
783 | rv = parse_arg(buf, count, &value); | |
784 | if (rv > 0) { | |
d99b577c | 785 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) |
2fcc23da | 786 | pr_warning("LED display write failed\n"); |
722ad971 | 787 | else |
50a90c4d | 788 | asus->ledd_status = (u32) value; |
722ad971 CC |
789 | } |
790 | return rv; | |
791 | } | |
792 | ||
aa9df930 CC |
793 | /* |
794 | * Wireless | |
795 | */ | |
796 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
797 | { | |
798 | unsigned long long status; | |
799 | acpi_status rv = AE_OK; | |
800 | ||
801 | if (!asus->have_rsts) | |
802 | return (asus->wireless_status & mask) ? 1 : 0; | |
803 | ||
d99b577c CC |
804 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
805 | NULL, &status); | |
aa9df930 CC |
806 | if (ACPI_FAILURE(rv)) { |
807 | pr_warning("Error reading Wireless status\n"); | |
808 | return -EINVAL; | |
809 | } | |
810 | return !!(status & mask); | |
811 | } | |
812 | ||
4564de17 CC |
813 | /* |
814 | * WLAN | |
815 | */ | |
e5593bf1 CC |
816 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
817 | { | |
818 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
819 | pr_warning("Error setting wlan status to %d", status); | |
820 | return -EIO; | |
821 | } | |
822 | return 0; | |
823 | } | |
824 | ||
4564de17 CC |
825 | static ssize_t show_wlan(struct device *dev, |
826 | struct device_attribute *attr, char *buf) | |
827 | { | |
9129d14d CC |
828 | struct asus_laptop *asus = dev_get_drvdata(dev); |
829 | ||
17e78f62 | 830 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
831 | } |
832 | ||
833 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
834 | const char *buf, size_t count) | |
835 | { | |
9129d14d CC |
836 | struct asus_laptop *asus = dev_get_drvdata(dev); |
837 | ||
d99b577c | 838 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
839 | } |
840 | ||
841 | /* | |
842 | * Bluetooth | |
843 | */ | |
e5593bf1 CC |
844 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
845 | { | |
846 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
847 | pr_warning("Error setting bluetooth status to %d", status); | |
848 | return -EIO; | |
849 | } | |
850 | return 0; | |
851 | } | |
852 | ||
4564de17 CC |
853 | static ssize_t show_bluetooth(struct device *dev, |
854 | struct device_attribute *attr, char *buf) | |
855 | { | |
9129d14d CC |
856 | struct asus_laptop *asus = dev_get_drvdata(dev); |
857 | ||
17e78f62 | 858 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
859 | } |
860 | ||
8def05fa LB |
861 | static ssize_t store_bluetooth(struct device *dev, |
862 | struct device_attribute *attr, const char *buf, | |
863 | size_t count) | |
4564de17 | 864 | { |
9129d14d CC |
865 | struct asus_laptop *asus = dev_get_drvdata(dev); |
866 | ||
d99b577c | 867 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
868 | } |
869 | ||
78127b4a CC |
870 | /* |
871 | * Display | |
872 | */ | |
4d441513 | 873 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
874 | { |
875 | /* no sanity check needed for now */ | |
d99b577c | 876 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 877 | pr_warning("Error setting display\n"); |
78127b4a CC |
878 | return; |
879 | } | |
880 | ||
9129d14d | 881 | static int read_display(struct asus_laptop *asus) |
78127b4a | 882 | { |
27663c58 | 883 | unsigned long long value = 0; |
9a816850 | 884 | acpi_status rv = AE_OK; |
78127b4a | 885 | |
be966660 CC |
886 | /* |
887 | * In most of the case, we know how to set the display, but sometime | |
888 | * we can't read it | |
889 | */ | |
8def05fa | 890 | if (display_get_handle) { |
9a816850 CC |
891 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
892 | NULL, &value); | |
893 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 894 | pr_warning("Error reading display status\n"); |
78127b4a CC |
895 | } |
896 | ||
897 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
898 | ||
899 | return value; | |
900 | } | |
8def05fa | 901 | |
78127b4a CC |
902 | /* |
903 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
904 | * complained. The significance of bits is the same as in store_disp() | |
905 | */ | |
906 | static ssize_t show_disp(struct device *dev, | |
907 | struct device_attribute *attr, char *buf) | |
908 | { | |
9129d14d CC |
909 | struct asus_laptop *asus = dev_get_drvdata(dev); |
910 | ||
911 | return sprintf(buf, "%d\n", read_display(asus)); | |
78127b4a CC |
912 | } |
913 | ||
914 | /* | |
915 | * Experimental support for display switching. As of now: 1 should activate | |
916 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
917 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
918 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
919 | * for more info. | |
920 | */ | |
921 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
922 | const char *buf, size_t count) | |
923 | { | |
9129d14d | 924 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
925 | int rv, value; |
926 | ||
927 | rv = parse_arg(buf, count, &value); | |
928 | if (rv > 0) | |
4d441513 | 929 | asus_set_display(asus, value); |
78127b4a CC |
930 | return rv; |
931 | } | |
932 | ||
8b857353 CC |
933 | /* |
934 | * Light Sens | |
935 | */ | |
4d441513 | 936 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 937 | { |
d99b577c | 938 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 939 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 940 | asus->light_switch = value; |
8b857353 CC |
941 | } |
942 | ||
943 | static ssize_t show_lssw(struct device *dev, | |
944 | struct device_attribute *attr, char *buf) | |
945 | { | |
9129d14d CC |
946 | struct asus_laptop *asus = dev_get_drvdata(dev); |
947 | ||
50a90c4d | 948 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
949 | } |
950 | ||
951 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
952 | const char *buf, size_t count) | |
953 | { | |
9129d14d | 954 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
955 | int rv, value; |
956 | ||
957 | rv = parse_arg(buf, count, &value); | |
958 | if (rv > 0) | |
4d441513 | 959 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
960 | |
961 | return rv; | |
962 | } | |
963 | ||
4d441513 | 964 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 965 | { |
d99b577c | 966 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 967 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 968 | asus->light_level = value; |
8b857353 CC |
969 | } |
970 | ||
971 | static ssize_t show_lslvl(struct device *dev, | |
972 | struct device_attribute *attr, char *buf) | |
973 | { | |
9129d14d CC |
974 | struct asus_laptop *asus = dev_get_drvdata(dev); |
975 | ||
50a90c4d | 976 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
977 | } |
978 | ||
979 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
980 | const char *buf, size_t count) | |
981 | { | |
9129d14d | 982 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
983 | int rv, value; |
984 | ||
985 | rv = parse_arg(buf, count, &value); | |
986 | if (rv > 0) { | |
987 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
988 | /* 0 <= value <= 15 */ | |
4d441513 | 989 | asus_als_level(asus, value); |
8b857353 CC |
990 | } |
991 | ||
992 | return rv; | |
993 | } | |
994 | ||
e539c2f6 CC |
995 | /* |
996 | * GPS | |
6358bf2c | 997 | * TODO: use rfkill |
e539c2f6 | 998 | */ |
6358bf2c CC |
999 | static int asus_gps_status(struct asus_laptop *asus) |
1000 | { | |
1001 | unsigned long long status; | |
1002 | acpi_status rv = AE_OK; | |
1003 | ||
d99b577c CC |
1004 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
1005 | NULL, &status); | |
6358bf2c CC |
1006 | if (ACPI_FAILURE(rv)) { |
1007 | pr_warning("Error reading GPS status\n"); | |
1008 | return -ENODEV; | |
1009 | } | |
1010 | return !!status; | |
1011 | } | |
1012 | ||
1013 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
1014 | { | |
d99b577c | 1015 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 1016 | |
d99b577c | 1017 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
1018 | return -ENODEV; |
1019 | return 0; | |
1020 | } | |
1021 | ||
e539c2f6 CC |
1022 | static ssize_t show_gps(struct device *dev, |
1023 | struct device_attribute *attr, char *buf) | |
1024 | { | |
9129d14d CC |
1025 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1026 | ||
6358bf2c | 1027 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1028 | } |
1029 | ||
1030 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1031 | const char *buf, size_t count) | |
1032 | { | |
6358bf2c CC |
1033 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1034 | int rv, value; | |
1035 | int ret; | |
9129d14d | 1036 | |
6358bf2c CC |
1037 | rv = parse_arg(buf, count, &value); |
1038 | if (rv <= 0) | |
1039 | return -EINVAL; | |
1040 | ret = asus_gps_switch(asus, !!value); | |
1041 | if (ret) | |
1042 | return ret; | |
1043 | return rv; | |
e539c2f6 CC |
1044 | } |
1045 | ||
034ce90a | 1046 | /* |
be4ee82d | 1047 | * Input device (i.e. hotkeys) |
034ce90a | 1048 | */ |
be4ee82d CC |
1049 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1050 | { | |
66a71dd1 CC |
1051 | if (asus->inputdev) |
1052 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1053 | } |
1054 | ||
1055 | static int asus_input_init(struct asus_laptop *asus) | |
1056 | { | |
66a71dd1 CC |
1057 | struct input_dev *input; |
1058 | int error; | |
be4ee82d | 1059 | |
66a71dd1 CC |
1060 | input = input_allocate_device(); |
1061 | if (!input) { | |
be4ee82d CC |
1062 | pr_info("Unable to allocate input device\n"); |
1063 | return 0; | |
1064 | } | |
66a71dd1 CC |
1065 | input->name = "Asus Laptop extra buttons"; |
1066 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1067 | input->id.bustype = BUS_HOST; | |
1068 | input->dev.parent = &asus->platform_device->dev; | |
1069 | input_set_drvdata(input, asus); | |
1070 | ||
1071 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1072 | if (error) { | |
1073 | pr_err("Unable to setup input device keymap\n"); | |
1074 | goto err_keymap; | |
be4ee82d | 1075 | } |
66a71dd1 CC |
1076 | error = input_register_device(input); |
1077 | if (error) { | |
be4ee82d | 1078 | pr_info("Unable to register input device\n"); |
66a71dd1 | 1079 | goto err_device; |
be4ee82d | 1080 | } |
66a71dd1 CC |
1081 | |
1082 | asus->inputdev = input; | |
1083 | return 0; | |
1084 | ||
1085 | err_keymap: | |
1086 | sparse_keymap_free(input); | |
1087 | err_device: | |
1088 | input_free_device(input); | |
1089 | return error; | |
be4ee82d CC |
1090 | } |
1091 | ||
1092 | static void asus_input_exit(struct asus_laptop *asus) | |
1093 | { | |
66a71dd1 CC |
1094 | if (asus->inputdev) { |
1095 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1096 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1097 | } |
be4ee82d CC |
1098 | } |
1099 | ||
1100 | /* | |
1101 | * ACPI driver | |
1102 | */ | |
600ad520 | 1103 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1104 | { |
9129d14d | 1105 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1106 | u16 count; |
034ce90a | 1107 | |
6b7091e7 CC |
1108 | /* |
1109 | * We need to tell the backlight device when the backlight power is | |
1110 | * switched | |
1111 | */ | |
3e68ae7c | 1112 | if (event == ATKD_LCD_ON) |
9129d14d | 1113 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1114 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1115 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1116 | |
619d8b11 | 1117 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1118 | count = asus->event_count[event % 128]++; |
1119 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1120 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1121 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1122 | count); |
85091b71 | 1123 | |
be4ee82d | 1124 | asus_input_notify(asus, event); |
85091b71 CC |
1125 | } |
1126 | ||
1127 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
1128 | struct device_attribute dev_attr_##_name = { \ | |
1129 | .attr = { \ | |
1130 | .name = __stringify(_name), \ | |
7b595756 | 1131 | .mode = 0 }, \ |
85091b71 CC |
1132 | .show = NULL, \ |
1133 | .store = NULL, \ | |
1134 | } | |
1135 | ||
1136 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
1137 | do { \ | |
1138 | dev_attr_##_name.attr.mode = _mode; \ | |
1139 | dev_attr_##_name.show = _show; \ | |
1140 | dev_attr_##_name.store = _store; \ | |
1141 | } while(0) | |
1142 | ||
1143 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
1144 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
1145 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 1146 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 1147 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
1148 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
1149 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 1150 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
1151 | |
1152 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
1153 | &dev_attr_infos.attr, |
1154 | &dev_attr_wlan.attr, | |
1155 | &dev_attr_bluetooth.attr, | |
1156 | &dev_attr_display.attr, | |
1157 | &dev_attr_ledd.attr, | |
1158 | &dev_attr_ls_switch.attr, | |
1159 | &dev_attr_ls_level.attr, | |
e539c2f6 | 1160 | &dev_attr_gps.attr, |
8def05fa | 1161 | NULL |
85091b71 CC |
1162 | }; |
1163 | ||
600ad520 | 1164 | static struct attribute_group platform_attribute_group = { |
8def05fa | 1165 | .attrs = asuspf_attributes |
85091b71 CC |
1166 | }; |
1167 | ||
9129d14d | 1168 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 CC |
1169 | { |
1170 | int result; | |
1171 | ||
50a90c4d CC |
1172 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1173 | if (!asus->platform_device) | |
600ad520 | 1174 | return -ENOMEM; |
9129d14d | 1175 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1176 | |
50a90c4d | 1177 | result = platform_device_add(asus->platform_device); |
600ad520 CC |
1178 | if (result) |
1179 | goto fail_platform_device; | |
1180 | ||
50a90c4d | 1181 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
600ad520 CC |
1182 | &platform_attribute_group); |
1183 | if (result) | |
1184 | goto fail_sysfs; | |
1185 | return 0; | |
1186 | ||
1187 | fail_sysfs: | |
50a90c4d | 1188 | platform_device_del(asus->platform_device); |
600ad520 | 1189 | fail_platform_device: |
50a90c4d | 1190 | platform_device_put(asus->platform_device); |
600ad520 CC |
1191 | return result; |
1192 | } | |
1193 | ||
9129d14d | 1194 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1195 | { |
50a90c4d | 1196 | sysfs_remove_group(&asus->platform_device->dev.kobj, |
600ad520 | 1197 | &platform_attribute_group); |
50a90c4d | 1198 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1199 | } |
1200 | ||
1201 | static struct platform_driver platform_driver = { | |
8def05fa | 1202 | .driver = { |
9129d14d CC |
1203 | .name = ASUS_LAPTOP_FILE, |
1204 | .owner = THIS_MODULE, | |
1205 | } | |
85091b71 CC |
1206 | }; |
1207 | ||
9129d14d | 1208 | static void asus_laptop_add_fs(struct asus_laptop *asus) |
85091b71 CC |
1209 | { |
1210 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 | 1211 | |
d99b577c | 1212 | if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) |
4564de17 CC |
1213 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); |
1214 | ||
d99b577c | 1215 | if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) |
4564de17 CC |
1216 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, |
1217 | show_bluetooth, store_bluetooth); | |
78127b4a | 1218 | |
d99b577c CC |
1219 | if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) { |
1220 | if (display_get_handle) | |
1221 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, | |
1222 | store_disp); | |
1223 | else | |
1224 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); | |
1225 | } | |
78127b4a | 1226 | |
d99b577c | 1227 | if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) |
722ad971 CC |
1228 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); |
1229 | ||
d99b577c CC |
1230 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1231 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
8b857353 CC |
1232 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); |
1233 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
1234 | } | |
e539c2f6 | 1235 | |
d99b577c CC |
1236 | if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) && |
1237 | !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) && | |
1238 | !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
e539c2f6 | 1239 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
1240 | } |
1241 | ||
8def05fa | 1242 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1243 | char **paths, int num_paths) |
1244 | { | |
1245 | int i; | |
1246 | acpi_status status; | |
1247 | ||
1248 | for (i = 0; i < num_paths; i++) { | |
1249 | status = acpi_get_handle(NULL, paths[i], handle); | |
1250 | if (ACPI_SUCCESS(status)) | |
1251 | return 0; | |
1252 | } | |
1253 | ||
1254 | *handle = NULL; | |
1255 | return -ENODEV; | |
1256 | } | |
1257 | ||
1258 | #define ASUS_HANDLE_INIT(object) \ | |
1259 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1260 | ARRAY_SIZE(object##_paths)) | |
1261 | ||
85091b71 | 1262 | /* |
50a90c4d CC |
1263 | * This function is used to initialize the context with right values. In this |
1264 | * method, we can make all the detection we want, and modify the asus_laptop | |
1265 | * struct | |
85091b71 | 1266 | */ |
7c247645 | 1267 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1268 | { |
1269 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1270 | union acpi_object *model = NULL; |
27663c58 | 1271 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1272 | char *string = NULL; |
1273 | acpi_status status; | |
1274 | ||
1275 | /* | |
1276 | * Get DSDT headers early enough to allow for differentiating between | |
1277 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1278 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1279 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1280 | * HID), this bit will be moved. |
85091b71 | 1281 | */ |
7c247645 | 1282 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1283 | if (ACPI_FAILURE(status)) |
2fcc23da | 1284 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1285 | |
1286 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1287 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1288 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1289 | return -ENODEV; |
1290 | } | |
1291 | ||
1292 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1293 | status = |
50a90c4d | 1294 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1295 | if (ACPI_FAILURE(status)) |
2fcc23da | 1296 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1297 | else if (bsts_result) |
2fcc23da | 1298 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1299 | (uint) bsts_result); |
85091b71 | 1300 | |
185e5af9 | 1301 | /* This too ... */ |
e5593bf1 CC |
1302 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1303 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1304 | /* |
1305 | * Try to match the object returned by INIT to the specific model. | |
1306 | * Handle every possible object (or the lack of thereof) the DSDT | |
1307 | * writers might throw at us. When in trouble, we pass NULL to | |
1308 | * asus_model_match() and try something completely different. | |
1309 | */ | |
1310 | if (buffer.pointer) { | |
1311 | model = buffer.pointer; | |
1312 | switch (model->type) { | |
1313 | case ACPI_TYPE_STRING: | |
1314 | string = model->string.pointer; | |
1315 | break; | |
1316 | case ACPI_TYPE_BUFFER: | |
1317 | string = model->buffer.pointer; | |
1318 | break; | |
1319 | default: | |
1320 | string = ""; | |
1321 | break; | |
1322 | } | |
1323 | } | |
50a90c4d CC |
1324 | asus->name = kstrdup(string, GFP_KERNEL); |
1325 | if (!asus->name) | |
85091b71 CC |
1326 | return -ENOMEM; |
1327 | ||
8def05fa | 1328 | if (*string) |
2fcc23da | 1329 | pr_notice(" %s model detected\n", string); |
85091b71 | 1330 | |
4564de17 CC |
1331 | /* |
1332 | * The HWRS method return informations about the hardware. | |
1333 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1334 | * The significance of others is yet to be found. | |
4564de17 | 1335 | */ |
9a816850 | 1336 | status = |
50a90c4d | 1337 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1338 | if (!ACPI_FAILURE(status)) |
1339 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1340 | |
d99b577c | 1341 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1342 | asus->have_rsts = true; |
4564de17 | 1343 | |
d99b577c | 1344 | /* Scheduled for removal */ |
6b7091e7 | 1345 | ASUS_HANDLE_INIT(lcd_switch); |
78127b4a CC |
1346 | ASUS_HANDLE_INIT(display_get); |
1347 | ||
85091b71 CC |
1348 | kfree(model); |
1349 | ||
1350 | return AE_OK; | |
1351 | } | |
1352 | ||
600ad520 CC |
1353 | static bool asus_device_present; |
1354 | ||
9129d14d | 1355 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1356 | { |
600ad520 | 1357 | int result = 0; |
85091b71 | 1358 | |
50a90c4d | 1359 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1360 | if (result) |
85091b71 | 1361 | return result; |
50a90c4d | 1362 | if (!asus->device->status.present) { |
600ad520 | 1363 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1364 | return -ENODEV; |
1365 | } | |
1366 | ||
7c247645 | 1367 | result = asus_laptop_get_info(asus); |
034ce90a | 1368 | if (result) |
600ad520 | 1369 | return result; |
034ce90a | 1370 | |
9129d14d | 1371 | asus_laptop_add_fs(asus); |
85091b71 | 1372 | |
600ad520 | 1373 | /* WLED and BLED are on by default */ |
be4ee82d | 1374 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1375 | asus_bluetooth_set(asus, !!bluetooth_status); |
1376 | ||
d0930a2d CC |
1377 | if (wlan_status >= 0) |
1378 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1379 | |
600ad520 | 1380 | /* Keyboard Backlight is on by default */ |
d99b577c | 1381 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1382 | asus_kled_set(asus, 1); |
600ad520 CC |
1383 | |
1384 | /* LED display is off by default */ | |
50a90c4d | 1385 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1386 | |
1387 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1388 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1389 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1390 | |
d99b577c CC |
1391 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1392 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1393 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1394 | asus_als_level(asus, asus->light_level); |
d99b577c | 1395 | } |
600ad520 CC |
1396 | |
1397 | /* GPS is on by default */ | |
d99b577c CC |
1398 | if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) && |
1399 | !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) && | |
1400 | !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1401 | asus_gps_switch(asus, 1); | |
600ad520 CC |
1402 | return result; |
1403 | } | |
1404 | ||
1405 | static int __devinit asus_acpi_add(struct acpi_device *device) | |
1406 | { | |
9129d14d | 1407 | struct asus_laptop *asus; |
600ad520 CC |
1408 | int result; |
1409 | ||
1410 | pr_notice("Asus Laptop Support version %s\n", | |
1411 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1412 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1413 | if (!asus) | |
600ad520 | 1414 | return -ENOMEM; |
50a90c4d CC |
1415 | asus->handle = device->handle; |
1416 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1417 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1418 | device->driver_data = asus; | |
1419 | asus->device = device; | |
600ad520 | 1420 | |
9129d14d | 1421 | result = asus_acpi_init(asus); |
8def05fa | 1422 | if (result) |
600ad520 | 1423 | goto fail_platform; |
85091b71 | 1424 | |
600ad520 CC |
1425 | /* |
1426 | * Register the platform device first. It is used as a parent for the | |
1427 | * sub-devices below. | |
1428 | */ | |
9129d14d | 1429 | result = asus_platform_init(asus); |
116bf2e0 | 1430 | if (result) |
600ad520 | 1431 | goto fail_platform; |
116bf2e0 CC |
1432 | |
1433 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1434 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1435 | if (result) |
1436 | goto fail_backlight; | |
1437 | } else | |
600ad520 | 1438 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1439 | |
9129d14d | 1440 | result = asus_input_init(asus); |
600ad520 CC |
1441 | if (result) |
1442 | goto fail_input; | |
1443 | ||
9129d14d | 1444 | result = asus_led_init(asus); |
600ad520 CC |
1445 | if (result) |
1446 | goto fail_led; | |
1447 | ||
1448 | asus_device_present = true; | |
8def05fa | 1449 | return 0; |
85091b71 | 1450 | |
600ad520 | 1451 | fail_led: |
9129d14d | 1452 | asus_input_exit(asus); |
600ad520 | 1453 | fail_input: |
9129d14d | 1454 | asus_backlight_exit(asus); |
116bf2e0 | 1455 | fail_backlight: |
9129d14d | 1456 | asus_platform_exit(asus); |
600ad520 | 1457 | fail_platform: |
50a90c4d CC |
1458 | kfree(asus->name); |
1459 | kfree(asus); | |
116bf2e0 | 1460 | |
600ad520 CC |
1461 | return result; |
1462 | } | |
116bf2e0 | 1463 | |
600ad520 CC |
1464 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1465 | { | |
9129d14d CC |
1466 | struct asus_laptop *asus = acpi_driver_data(device); |
1467 | ||
1468 | asus_backlight_exit(asus); | |
1469 | asus_led_exit(asus); | |
1470 | asus_input_exit(asus); | |
1471 | asus_platform_exit(asus); | |
600ad520 | 1472 | |
50a90c4d CC |
1473 | kfree(asus->name); |
1474 | kfree(asus); | |
600ad520 CC |
1475 | return 0; |
1476 | } | |
1477 | ||
1478 | static const struct acpi_device_id asus_device_ids[] = { | |
1479 | {"ATK0100", 0}, | |
1480 | {"ATK0101", 0}, | |
1481 | {"", 0}, | |
1482 | }; | |
1483 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1484 | |
600ad520 | 1485 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1486 | .name = ASUS_LAPTOP_NAME, |
1487 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1488 | .owner = THIS_MODULE, |
1489 | .ids = asus_device_ids, | |
1490 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1491 | .ops = { | |
1492 | .add = asus_acpi_add, | |
1493 | .remove = asus_acpi_remove, | |
1494 | .notify = asus_acpi_notify, | |
1495 | }, | |
1496 | }; | |
85091b71 | 1497 | |
600ad520 CC |
1498 | static int __init asus_laptop_init(void) |
1499 | { | |
1500 | int result; | |
85091b71 | 1501 | |
600ad520 CC |
1502 | result = platform_driver_register(&platform_driver); |
1503 | if (result < 0) | |
1504 | return result; | |
034ce90a | 1505 | |
600ad520 CC |
1506 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1507 | if (result < 0) | |
1508 | goto fail_acpi_driver; | |
1509 | if (!asus_device_present) { | |
1510 | result = -ENODEV; | |
1511 | goto fail_no_device; | |
1512 | } | |
1513 | return 0; | |
85091b71 | 1514 | |
600ad520 CC |
1515 | fail_no_device: |
1516 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1517 | fail_acpi_driver: | |
1518 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1519 | return result; |
1520 | } | |
1521 | ||
600ad520 CC |
1522 | static void __exit asus_laptop_exit(void) |
1523 | { | |
1524 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1525 | platform_driver_unregister(&platform_driver); | |
1526 | } | |
1527 | ||
85091b71 CC |
1528 | module_init(asus_laptop_init); |
1529 | module_exit(asus_laptop_exit); |