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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> |
85091b71 | 52 | |
f3985327 | 53 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 CC |
54 | |
55 | #define ASUS_HOTK_NAME "Asus Laptop Support" | |
56 | #define ASUS_HOTK_CLASS "hotkey" | |
57 | #define ASUS_HOTK_DEVICE_NAME "Hotkey" | |
2fcc23da | 58 | #define ASUS_HOTK_FILE KBUILD_MODNAME |
85091b71 CC |
59 | #define ASUS_HOTK_PREFIX "\\_SB.ATKD." |
60 | ||
2fcc23da | 61 | |
6b7091e7 CC |
62 | /* |
63 | * Some events we use, same for all Asus | |
64 | */ | |
65 | #define ATKD_BR_UP 0x10 | |
66 | #define ATKD_BR_DOWN 0x20 | |
67 | #define ATKD_LCD_ON 0x33 | |
68 | #define ATKD_LCD_OFF 0x34 | |
69 | ||
4564de17 CC |
70 | /* |
71 | * Known bits returned by \_SB.ATKD.HWRS | |
72 | */ | |
73 | #define WL_HWRS 0x80 | |
74 | #define BT_HWRS 0x100 | |
75 | ||
be18cdab CC |
76 | /* |
77 | * Flags for hotk status | |
4564de17 | 78 | * WL_ON and BT_ON are also used for wireless_status() |
be18cdab | 79 | */ |
be966660 CC |
80 | #define WL_ON 0x01 /* internal Wifi */ |
81 | #define BT_ON 0x02 /* internal Bluetooth */ | |
82 | #define MLED_ON 0x04 /* mail LED */ | |
83 | #define TLED_ON 0x08 /* touchpad LED */ | |
84 | #define RLED_ON 0x10 /* Record LED */ | |
85 | #define PLED_ON 0x20 /* Phone LED */ | |
86 | #define GLED_ON 0x40 /* Gaming LED */ | |
87 | #define LCD_ON 0x80 /* LCD backlight */ | |
88 | #define GPS_ON 0x100 /* GPS */ | |
89 | #define KEY_ON 0x200 /* Keyboard backlight */ | |
be18cdab | 90 | |
85091b71 CC |
91 | #define ASUS_LOG ASUS_HOTK_FILE ": " |
92 | #define ASUS_ERR KERN_ERR ASUS_LOG | |
93 | #define ASUS_WARNING KERN_WARNING ASUS_LOG | |
94 | #define ASUS_NOTICE KERN_NOTICE ASUS_LOG | |
95 | #define ASUS_INFO KERN_INFO ASUS_LOG | |
96 | #define ASUS_DEBUG KERN_DEBUG ASUS_LOG | |
97 | ||
98 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); | |
99 | MODULE_DESCRIPTION(ASUS_HOTK_NAME); | |
100 | MODULE_LICENSE("GPL"); | |
101 | ||
be966660 CC |
102 | /* |
103 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
104 | * The significance of values is yet to be found, but |
105 | * most of the time: | |
106 | * 0x0 will do nothing | |
107 | * 0x1 will allow to control the device with Fn+Fx key. | |
108 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
109 | * 0x5 like 0x1 or 0x4 | |
110 | * So, if something doesn't work as you want, just try other values =) | |
111 | */ | |
112 | static uint wapf = 1; | |
113 | module_param(wapf, uint, 0644); | |
114 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
115 | ||
0e875f49 CC |
116 | static uint wireless_status = 1; |
117 | static uint bluetooth_status = 1; | |
118 | ||
119 | module_param(wireless_status, uint, 0644); | |
120 | MODULE_PARM_DESC(wireless_status, "Set the wireless status on boot " | |
121 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
122 | "default is 1"); | |
123 | ||
124 | module_param(bluetooth_status, uint, 0644); | |
125 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
126 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
127 | "default is 1"); | |
128 | ||
85091b71 CC |
129 | #define ASUS_HANDLE(object, paths...) \ |
130 | static acpi_handle object##_handle = NULL; \ | |
131 | static char *object##_paths[] = { paths } | |
132 | ||
be18cdab CC |
133 | /* LED */ |
134 | ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); | |
135 | ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); | |
8def05fa LB |
136 | ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ |
137 | ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ | |
fdd8d080 | 138 | ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ |
be18cdab | 139 | |
722ad971 CC |
140 | /* LEDD */ |
141 | ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); | |
142 | ||
be966660 CC |
143 | /* |
144 | * Bluetooth and WLAN | |
4564de17 CC |
145 | * WLED and BLED are not handled like other XLED, because in some dsdt |
146 | * they also control the WLAN/Bluetooth device. | |
147 | */ | |
148 | ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); | |
149 | ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); | |
8def05fa | 150 | ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ |
4564de17 | 151 | |
6b7091e7 CC |
152 | /* Brightness */ |
153 | ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); | |
154 | ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); | |
155 | ||
156 | /* Backlight */ | |
8def05fa LB |
157 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
158 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
159 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
160 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
161 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 162 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
163 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
164 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 165 | |
78127b4a CC |
166 | /* Display */ |
167 | ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); | |
be966660 CC |
168 | ASUS_HANDLE(display_get, |
169 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
170 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
171 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
172 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
173 | /* A6V A6Q */ | |
174 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
175 | /* A6T, A6M */ | |
176 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
177 | /* L3C */ | |
178 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
179 | /* Z96F */ | |
180 | "\\_SB.PCI0.VGA.GETD", | |
181 | /* A2D */ | |
182 | "\\ACTD", | |
183 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
184 | "\\ADVG", | |
185 | /* P30 */ | |
186 | "\\DNXT", | |
187 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
188 | "\\INFB", | |
189 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
190 | "\\SSTE"); | |
191 | ||
192 | ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ | |
193 | ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 194 | |
e539c2f6 CC |
195 | /* GPS */ |
196 | /* R2H use different handle for GPS on/off */ | |
f3985327 CC |
197 | ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */ |
198 | ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */ | |
e539c2f6 CC |
199 | ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST"); |
200 | ||
b7d3fbc2 CC |
201 | /* Keyboard light */ |
202 | ASUS_HANDLE(kled_set, ASUS_HOTK_PREFIX "SLKB"); | |
203 | ASUS_HANDLE(kled_get, ASUS_HOTK_PREFIX "GLKB"); | |
204 | ||
85091b71 CC |
205 | /* |
206 | * This is the main structure, we can use it to store anything interesting | |
207 | * about the hotk device | |
208 | */ | |
209 | struct asus_hotk { | |
be966660 CC |
210 | char *name; /* laptop name */ |
211 | struct acpi_device *device; /* the device we are in */ | |
212 | acpi_handle handle; /* the handle of the hotk device */ | |
213 | char status; /* status of the hotk, for LEDs, ... */ | |
214 | u32 ledd_status; /* status of the LED display */ | |
215 | u8 light_level; /* light sensor level */ | |
216 | u8 light_switch; /* light sensor switch value */ | |
217 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a CC |
218 | struct input_dev *inputdev; |
219 | u16 *keycode_map; | |
85091b71 CC |
220 | }; |
221 | ||
222 | /* | |
223 | * This header is made available to allow proper configuration given model, | |
224 | * revision number , ... this info cannot go in struct asus_hotk because it is | |
225 | * available before the hotk | |
226 | */ | |
227 | static struct acpi_table_header *asus_info; | |
228 | ||
229 | /* The actual device the driver binds to */ | |
230 | static struct asus_hotk *hotk; | |
231 | ||
232 | /* | |
233 | * The hotkey driver declaration | |
234 | */ | |
1ba90e3a TR |
235 | static const struct acpi_device_id asus_device_ids[] = { |
236 | {"ATK0100", 0}, | |
14f8af31 | 237 | {"ATK0101", 0}, |
1ba90e3a TR |
238 | {"", 0}, |
239 | }; | |
240 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
241 | ||
85091b71 CC |
242 | static int asus_hotk_add(struct acpi_device *device); |
243 | static int asus_hotk_remove(struct acpi_device *device, int type); | |
586ed160 BH |
244 | static void asus_hotk_notify(struct acpi_device *device, u32 event); |
245 | ||
85091b71 CC |
246 | static struct acpi_driver asus_hotk_driver = { |
247 | .name = ASUS_HOTK_NAME, | |
248 | .class = ASUS_HOTK_CLASS, | |
edf62452 | 249 | .owner = THIS_MODULE, |
1ba90e3a | 250 | .ids = asus_device_ids, |
586ed160 | 251 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
85091b71 CC |
252 | .ops = { |
253 | .add = asus_hotk_add, | |
254 | .remove = asus_hotk_remove, | |
586ed160 | 255 | .notify = asus_hotk_notify, |
85091b71 CC |
256 | }, |
257 | }; | |
258 | ||
6b7091e7 CC |
259 | /* The backlight device /sys/class/backlight */ |
260 | static struct backlight_device *asus_backlight_device; | |
261 | ||
262 | /* | |
263 | * The backlight class declaration | |
264 | */ | |
265 | static int read_brightness(struct backlight_device *bd); | |
266 | static int update_bl_status(struct backlight_device *bd); | |
599a52d1 | 267 | static struct backlight_ops asusbl_ops = { |
8def05fa LB |
268 | .get_brightness = read_brightness, |
269 | .update_status = update_bl_status, | |
6b7091e7 CC |
270 | }; |
271 | ||
be966660 CC |
272 | /* |
273 | * These functions actually update the LED's, and are called from a | |
be18cdab CC |
274 | * workqueue. By doing this as separate work rather than when the LED |
275 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
be966660 CC |
276 | * potentially bad time, such as a timer interrupt. |
277 | */ | |
be18cdab CC |
278 | static struct workqueue_struct *led_workqueue; |
279 | ||
977c328d | 280 | #define ASUS_LED(object, ledname, max) \ |
be18cdab CC |
281 | static void object##_led_set(struct led_classdev *led_cdev, \ |
282 | enum led_brightness value); \ | |
abfa57e1 CC |
283 | static enum led_brightness object##_led_get( \ |
284 | struct led_classdev *led_cdev); \ | |
be18cdab CC |
285 | static void object##_led_update(struct work_struct *ignored); \ |
286 | static int object##_led_wk; \ | |
f110ef58 | 287 | static DECLARE_WORK(object##_led_work, object##_led_update); \ |
be18cdab | 288 | static struct led_classdev object##_led = { \ |
6c152bee | 289 | .name = "asus::" ledname, \ |
be18cdab | 290 | .brightness_set = object##_led_set, \ |
abfa57e1 | 291 | .brightness_get = object##_led_get, \ |
977c328d | 292 | .max_brightness = max \ |
be18cdab CC |
293 | } |
294 | ||
977c328d CC |
295 | ASUS_LED(mled, "mail", 1); |
296 | ASUS_LED(tled, "touchpad", 1); | |
297 | ASUS_LED(rled, "record", 1); | |
298 | ASUS_LED(pled, "phone", 1); | |
299 | ASUS_LED(gled, "gaming", 1); | |
b7d3fbc2 | 300 | ASUS_LED(kled, "kbd_backlight", 3); |
be18cdab | 301 | |
034ce90a CC |
302 | struct key_entry { |
303 | char type; | |
304 | u8 code; | |
305 | u16 keycode; | |
306 | }; | |
307 | ||
308 | enum { KE_KEY, KE_END }; | |
309 | ||
310 | static struct key_entry asus_keymap[] = { | |
14f8af31 IP |
311 | {KE_KEY, 0x02, KEY_SCREENLOCK}, |
312 | {KE_KEY, 0x05, KEY_WLAN}, | |
313 | {KE_KEY, 0x08, KEY_F13}, | |
314 | {KE_KEY, 0x17, KEY_ZOOM}, | |
315 | {KE_KEY, 0x1f, KEY_BATTERY}, | |
034ce90a CC |
316 | {KE_KEY, 0x30, KEY_VOLUMEUP}, |
317 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
318 | {KE_KEY, 0x32, KEY_MUTE}, | |
319 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
320 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
321 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
322 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 323 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a | 324 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
4644d0e5 | 325 | {KE_KEY, 0x4c, KEY_MEDIA}, |
034ce90a CC |
326 | {KE_KEY, 0x50, KEY_EMAIL}, |
327 | {KE_KEY, 0x51, KEY_WWW}, | |
0aa20f7d | 328 | {KE_KEY, 0x55, KEY_CALC}, |
309f5fbd | 329 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a | 330 | {KE_KEY, 0x5D, KEY_WLAN}, |
f641375b CC |
331 | {KE_KEY, 0x5E, KEY_WLAN}, |
332 | {KE_KEY, 0x5F, KEY_WLAN}, | |
333 | {KE_KEY, 0x60, KEY_SWITCHVIDEOMODE}, | |
034ce90a | 334 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, |
14f8af31 IP |
335 | {KE_KEY, 0x62, KEY_SWITCHVIDEOMODE}, |
336 | {KE_KEY, 0x63, KEY_SWITCHVIDEOMODE}, | |
16851f92 | 337 | {KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */ |
034ce90a | 338 | {KE_KEY, 0x82, KEY_CAMERA}, |
1f0233ee | 339 | {KE_KEY, 0x88, KEY_WLAN }, |
309f5fbd | 340 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
341 | {KE_KEY, 0x95, KEY_MEDIA}, |
342 | {KE_KEY, 0x99, KEY_PHONE}, | |
dc795260 CC |
343 | {KE_KEY, 0xc4, KEY_KBDILLUMUP}, |
344 | {KE_KEY, 0xc5, KEY_KBDILLUMDOWN}, | |
034ce90a CC |
345 | {KE_END, 0}, |
346 | }; | |
347 | ||
85091b71 CC |
348 | /* |
349 | * This function evaluates an ACPI method, given an int as parameter, the | |
350 | * method is searched within the scope of the handle, can be NULL. The output | |
351 | * of the method is written is output, which can also be NULL | |
352 | * | |
f8d1c94b | 353 | * returns 0 if write is successful, -1 else. |
85091b71 CC |
354 | */ |
355 | static int write_acpi_int(acpi_handle handle, const char *method, int val, | |
356 | struct acpi_buffer *output) | |
357 | { | |
be966660 CC |
358 | struct acpi_object_list params; /* list of input parameters (an int) */ |
359 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
360 | acpi_status status; |
361 | ||
f8d1c94b CC |
362 | if (!handle) |
363 | return 0; | |
364 | ||
85091b71 CC |
365 | params.count = 1; |
366 | params.pointer = &in_obj; | |
367 | in_obj.type = ACPI_TYPE_INTEGER; | |
368 | in_obj.integer.value = val; | |
369 | ||
370 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
371 | if (status == AE_OK) |
372 | return 0; | |
373 | else | |
374 | return -1; | |
85091b71 CC |
375 | } |
376 | ||
8def05fa LB |
377 | static int read_wireless_status(int mask) |
378 | { | |
27663c58 | 379 | unsigned long long status; |
9a816850 | 380 | acpi_status rv = AE_OK; |
4564de17 CC |
381 | |
382 | if (!wireless_status_handle) | |
383 | return (hotk->status & mask) ? 1 : 0; | |
384 | ||
9a816850 CC |
385 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); |
386 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 387 | pr_warning("Error reading Wireless status\n"); |
9a816850 CC |
388 | else |
389 | return (status & mask) ? 1 : 0; | |
4564de17 CC |
390 | |
391 | return (hotk->status & mask) ? 1 : 0; | |
392 | } | |
393 | ||
f3985327 CC |
394 | static int read_gps_status(void) |
395 | { | |
27663c58 | 396 | unsigned long long status; |
e539c2f6 CC |
397 | acpi_status rv = AE_OK; |
398 | ||
399 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
400 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 401 | pr_warning("Error reading GPS status\n"); |
e539c2f6 | 402 | else |
f3985327 | 403 | return status ? 1 : 0; |
e539c2f6 | 404 | |
f3985327 | 405 | return (hotk->status & GPS_ON) ? 1 : 0; |
e539c2f6 CC |
406 | } |
407 | ||
be18cdab CC |
408 | /* Generic LED functions */ |
409 | static int read_status(int mask) | |
410 | { | |
4564de17 CC |
411 | /* There is a special method for both wireless devices */ |
412 | if (mask == BT_ON || mask == WL_ON) | |
413 | return read_wireless_status(mask); | |
f3985327 CC |
414 | else if (mask == GPS_ON) |
415 | return read_gps_status(); | |
4564de17 | 416 | |
be18cdab CC |
417 | return (hotk->status & mask) ? 1 : 0; |
418 | } | |
419 | ||
935ffeec | 420 | static void write_status(acpi_handle handle, int out, int mask) |
be18cdab CC |
421 | { |
422 | hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); | |
423 | ||
935ffeec CC |
424 | switch (mask) { |
425 | case MLED_ON: | |
e1af14e4 | 426 | out = !(out & 0x1); |
935ffeec | 427 | break; |
fdd8d080 CC |
428 | case GLED_ON: |
429 | out = (out & 0x1) + 1; | |
430 | break; | |
e539c2f6 CC |
431 | case GPS_ON: |
432 | handle = (out) ? gps_on_handle : gps_off_handle; | |
433 | out = 0x02; | |
434 | break; | |
935ffeec CC |
435 | default: |
436 | out &= 0x1; | |
437 | break; | |
438 | } | |
be18cdab | 439 | |
f8d1c94b | 440 | if (write_acpi_int(handle, NULL, out, NULL)) |
2fcc23da | 441 | pr_warning(" write failed %x\n", mask); |
be18cdab CC |
442 | } |
443 | ||
444 | /* /sys/class/led handlers */ | |
935ffeec | 445 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
446 | static void object##_led_set(struct led_classdev *led_cdev, \ |
447 | enum led_brightness value) \ | |
448 | { \ | |
e3deda9c | 449 | object##_led_wk = (value > 0) ? 1 : 0; \ |
be18cdab CC |
450 | queue_work(led_workqueue, &object##_led_work); \ |
451 | } \ | |
452 | static void object##_led_update(struct work_struct *ignored) \ | |
453 | { \ | |
454 | int value = object##_led_wk; \ | |
935ffeec | 455 | write_status(object##_set_handle, value, (mask)); \ |
abfa57e1 CC |
456 | } \ |
457 | static enum led_brightness object##_led_get( \ | |
458 | struct led_classdev *led_cdev) \ | |
459 | { \ | |
460 | return led_cdev->brightness; \ | |
be18cdab CC |
461 | } |
462 | ||
935ffeec CC |
463 | ASUS_LED_HANDLER(mled, MLED_ON); |
464 | ASUS_LED_HANDLER(pled, PLED_ON); | |
465 | ASUS_LED_HANDLER(rled, RLED_ON); | |
466 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 467 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 468 | |
b7d3fbc2 CC |
469 | /* |
470 | * Keyboard backlight | |
471 | */ | |
472 | static int get_kled_lvl(void) | |
473 | { | |
474 | unsigned long long kblv; | |
475 | struct acpi_object_list params; | |
476 | union acpi_object in_obj; | |
477 | acpi_status rv; | |
478 | ||
479 | params.count = 1; | |
480 | params.pointer = &in_obj; | |
481 | in_obj.type = ACPI_TYPE_INTEGER; | |
482 | in_obj.integer.value = 2; | |
483 | ||
484 | rv = acpi_evaluate_integer(kled_get_handle, NULL, ¶ms, &kblv); | |
485 | if (ACPI_FAILURE(rv)) { | |
486 | pr_warning("Error reading kled level\n"); | |
487 | return 0; | |
488 | } | |
489 | return kblv; | |
490 | } | |
491 | ||
492 | static int set_kled_lvl(int kblv) | |
493 | { | |
494 | if (kblv > 0) | |
495 | kblv = (1 << 7) | (kblv & 0x7F); | |
496 | else | |
497 | kblv = 0; | |
498 | ||
499 | if (write_acpi_int(kled_set_handle, NULL, kblv, NULL)) { | |
500 | pr_warning("Keyboard LED display write failed\n"); | |
501 | return -EINVAL; | |
502 | } | |
503 | return 0; | |
504 | } | |
505 | ||
506 | static void kled_led_set(struct led_classdev *led_cdev, | |
507 | enum led_brightness value) | |
508 | { | |
509 | kled_led_wk = value; | |
510 | queue_work(led_workqueue, &kled_led_work); | |
511 | } | |
512 | ||
513 | static void kled_led_update(struct work_struct *ignored) | |
514 | { | |
515 | set_kled_lvl(kled_led_wk); | |
516 | } | |
517 | ||
518 | static enum led_brightness kled_led_get(struct led_classdev *led_cdev) | |
519 | { | |
520 | return get_kled_lvl(); | |
521 | } | |
522 | ||
6b7091e7 CC |
523 | static int get_lcd_state(void) |
524 | { | |
525 | return read_status(LCD_ON); | |
526 | } | |
527 | ||
528 | static int set_lcd_state(int value) | |
529 | { | |
530 | int lcd = 0; | |
531 | acpi_status status = 0; | |
532 | ||
533 | lcd = value ? 1 : 0; | |
534 | ||
535 | if (lcd == get_lcd_state()) | |
536 | return 0; | |
537 | ||
8def05fa | 538 | if (lcd_switch_handle) { |
6b7091e7 CC |
539 | status = acpi_evaluate_object(lcd_switch_handle, |
540 | NULL, NULL, NULL); | |
541 | ||
542 | if (ACPI_FAILURE(status)) | |
2fcc23da | 543 | pr_warning("Error switching LCD\n"); |
6b7091e7 CC |
544 | } |
545 | ||
935ffeec | 546 | write_status(NULL, lcd, LCD_ON); |
6b7091e7 CC |
547 | return 0; |
548 | } | |
549 | ||
550 | static void lcd_blank(int blank) | |
551 | { | |
552 | struct backlight_device *bd = asus_backlight_device; | |
553 | ||
8def05fa | 554 | if (bd) { |
599a52d1 | 555 | bd->props.power = blank; |
28ee086d | 556 | backlight_update_status(bd); |
6b7091e7 CC |
557 | } |
558 | } | |
559 | ||
560 | static int read_brightness(struct backlight_device *bd) | |
561 | { | |
27663c58 | 562 | unsigned long long value; |
9a816850 | 563 | acpi_status rv = AE_OK; |
6b7091e7 | 564 | |
9a816850 CC |
565 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
566 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 567 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
568 | |
569 | return value; | |
570 | } | |
571 | ||
572 | static int set_brightness(struct backlight_device *bd, int value) | |
573 | { | |
574 | int ret = 0; | |
575 | ||
576 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
577 | /* 0 <= value <= 15 */ | |
578 | ||
f8d1c94b | 579 | if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) { |
2fcc23da | 580 | pr_warning("Error changing brightness\n"); |
6b7091e7 CC |
581 | ret = -EIO; |
582 | } | |
583 | ||
584 | return ret; | |
585 | } | |
586 | ||
587 | static int update_bl_status(struct backlight_device *bd) | |
588 | { | |
589 | int rv; | |
599a52d1 | 590 | int value = bd->props.brightness; |
6b7091e7 CC |
591 | |
592 | rv = set_brightness(bd, value); | |
8def05fa | 593 | if (rv) |
6b7091e7 CC |
594 | return rv; |
595 | ||
599a52d1 | 596 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
6b7091e7 CC |
597 | return set_lcd_state(value); |
598 | } | |
599 | ||
85091b71 CC |
600 | /* |
601 | * Platform device handlers | |
602 | */ | |
603 | ||
604 | /* | |
605 | * We write our info in page, we begin at offset off and cannot write more | |
606 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
607 | * number of bytes written in page | |
608 | */ | |
609 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 610 | struct device_attribute *attr, char *page) |
85091b71 CC |
611 | { |
612 | int len = 0; | |
27663c58 | 613 | unsigned long long temp; |
be966660 | 614 | char buf[16]; /* enough for all info */ |
9a816850 CC |
615 | acpi_status rv = AE_OK; |
616 | ||
85091b71 CC |
617 | /* |
618 | * We use the easy way, we don't care of off and count, so we don't set eof | |
619 | * to 1 | |
620 | */ | |
621 | ||
622 | len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); | |
623 | len += sprintf(page + len, "Model reference : %s\n", hotk->name); | |
624 | /* | |
625 | * The SFUN method probably allows the original driver to get the list | |
626 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
627 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
628 | * The significance of others is yet to be found. | |
629 | */ | |
9a816850 CC |
630 | rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp); |
631 | if (!ACPI_FAILURE(rv)) | |
1d4a3800 CC |
632 | len += sprintf(page + len, "SFUN value : %#x\n", |
633 | (uint) temp); | |
634 | /* | |
635 | * The HWRS method return informations about the hardware. | |
636 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
637 | * The significance of others is yet to be found. | |
638 | * If we don't find the method, we assume the device are present. | |
639 | */ | |
640 | rv = acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &temp); | |
641 | if (!ACPI_FAILURE(rv)) | |
642 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 643 | (uint) temp); |
85091b71 CC |
644 | /* |
645 | * Another value for userspace: the ASYM method returns 0x02 for | |
646 | * battery low and 0x04 for battery critical, its readings tend to be | |
647 | * more accurate than those provided by _BST. | |
648 | * Note: since not all the laptops provide this method, errors are | |
649 | * silently ignored. | |
650 | */ | |
9a816850 CC |
651 | rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp); |
652 | if (!ACPI_FAILURE(rv)) | |
1d4a3800 | 653 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 654 | (uint) temp); |
85091b71 CC |
655 | if (asus_info) { |
656 | snprintf(buf, 16, "%d", asus_info->length); | |
657 | len += sprintf(page + len, "DSDT length : %s\n", buf); | |
658 | snprintf(buf, 16, "%d", asus_info->checksum); | |
659 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); | |
660 | snprintf(buf, 16, "%d", asus_info->revision); | |
661 | len += sprintf(page + len, "DSDT revision : %s\n", buf); | |
662 | snprintf(buf, 7, "%s", asus_info->oem_id); | |
663 | len += sprintf(page + len, "OEM id : %s\n", buf); | |
664 | snprintf(buf, 9, "%s", asus_info->oem_table_id); | |
665 | len += sprintf(page + len, "OEM table id : %s\n", buf); | |
666 | snprintf(buf, 16, "%x", asus_info->oem_revision); | |
667 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); | |
668 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); | |
669 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); | |
670 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); | |
671 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); | |
672 | } | |
673 | ||
674 | return len; | |
675 | } | |
676 | ||
677 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
678 | { | |
679 | if (!count) | |
680 | return 0; | |
681 | if (count > 31) | |
682 | return -EINVAL; | |
683 | if (sscanf(buf, "%i", val) != 1) | |
684 | return -EINVAL; | |
685 | return count; | |
686 | } | |
687 | ||
4564de17 | 688 | static ssize_t store_status(const char *buf, size_t count, |
935ffeec | 689 | acpi_handle handle, int mask) |
4564de17 CC |
690 | { |
691 | int rv, value; | |
692 | int out = 0; | |
693 | ||
694 | rv = parse_arg(buf, count, &value); | |
695 | if (rv > 0) | |
696 | out = value ? 1 : 0; | |
697 | ||
935ffeec | 698 | write_status(handle, out, mask); |
4564de17 CC |
699 | |
700 | return rv; | |
701 | } | |
702 | ||
722ad971 CC |
703 | /* |
704 | * LEDD display | |
705 | */ | |
706 | static ssize_t show_ledd(struct device *dev, | |
707 | struct device_attribute *attr, char *buf) | |
708 | { | |
709 | return sprintf(buf, "0x%08x\n", hotk->ledd_status); | |
710 | } | |
711 | ||
712 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
713 | const char *buf, size_t count) | |
714 | { | |
715 | int rv, value; | |
716 | ||
717 | rv = parse_arg(buf, count, &value); | |
718 | if (rv > 0) { | |
f8d1c94b | 719 | if (write_acpi_int(ledd_set_handle, NULL, value, NULL)) |
2fcc23da | 720 | pr_warning("LED display write failed\n"); |
722ad971 CC |
721 | else |
722 | hotk->ledd_status = (u32) value; | |
723 | } | |
724 | return rv; | |
725 | } | |
726 | ||
4564de17 CC |
727 | /* |
728 | * WLAN | |
729 | */ | |
730 | static ssize_t show_wlan(struct device *dev, | |
731 | struct device_attribute *attr, char *buf) | |
732 | { | |
733 | return sprintf(buf, "%d\n", read_status(WL_ON)); | |
734 | } | |
735 | ||
736 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
737 | const char *buf, size_t count) | |
738 | { | |
935ffeec | 739 | return store_status(buf, count, wl_switch_handle, WL_ON); |
4564de17 CC |
740 | } |
741 | ||
742 | /* | |
743 | * Bluetooth | |
744 | */ | |
745 | static ssize_t show_bluetooth(struct device *dev, | |
746 | struct device_attribute *attr, char *buf) | |
747 | { | |
748 | return sprintf(buf, "%d\n", read_status(BT_ON)); | |
749 | } | |
750 | ||
8def05fa LB |
751 | static ssize_t store_bluetooth(struct device *dev, |
752 | struct device_attribute *attr, const char *buf, | |
753 | size_t count) | |
4564de17 | 754 | { |
935ffeec | 755 | return store_status(buf, count, bt_switch_handle, BT_ON); |
4564de17 CC |
756 | } |
757 | ||
78127b4a CC |
758 | /* |
759 | * Display | |
760 | */ | |
761 | static void set_display(int value) | |
762 | { | |
763 | /* no sanity check needed for now */ | |
f8d1c94b | 764 | if (write_acpi_int(display_set_handle, NULL, value, NULL)) |
2fcc23da | 765 | pr_warning("Error setting display\n"); |
78127b4a CC |
766 | return; |
767 | } | |
768 | ||
769 | static int read_display(void) | |
770 | { | |
27663c58 | 771 | unsigned long long value = 0; |
9a816850 | 772 | acpi_status rv = AE_OK; |
78127b4a | 773 | |
be966660 CC |
774 | /* |
775 | * In most of the case, we know how to set the display, but sometime | |
776 | * we can't read it | |
777 | */ | |
8def05fa | 778 | if (display_get_handle) { |
9a816850 CC |
779 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
780 | NULL, &value); | |
781 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 782 | pr_warning("Error reading display status\n"); |
78127b4a CC |
783 | } |
784 | ||
785 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
786 | ||
787 | return value; | |
788 | } | |
8def05fa | 789 | |
78127b4a CC |
790 | /* |
791 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
792 | * complained. The significance of bits is the same as in store_disp() | |
793 | */ | |
794 | static ssize_t show_disp(struct device *dev, | |
795 | struct device_attribute *attr, char *buf) | |
796 | { | |
797 | return sprintf(buf, "%d\n", read_display()); | |
798 | } | |
799 | ||
800 | /* | |
801 | * Experimental support for display switching. As of now: 1 should activate | |
802 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
803 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
804 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
805 | * for more info. | |
806 | */ | |
807 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
808 | const char *buf, size_t count) | |
809 | { | |
810 | int rv, value; | |
811 | ||
812 | rv = parse_arg(buf, count, &value); | |
813 | if (rv > 0) | |
814 | set_display(value); | |
815 | return rv; | |
816 | } | |
817 | ||
8b857353 CC |
818 | /* |
819 | * Light Sens | |
820 | */ | |
821 | static void set_light_sens_switch(int value) | |
822 | { | |
f8d1c94b | 823 | if (write_acpi_int(ls_switch_handle, NULL, value, NULL)) |
2fcc23da | 824 | pr_warning("Error setting light sensor switch\n"); |
8b857353 CC |
825 | hotk->light_switch = value; |
826 | } | |
827 | ||
828 | static ssize_t show_lssw(struct device *dev, | |
829 | struct device_attribute *attr, char *buf) | |
830 | { | |
831 | return sprintf(buf, "%d\n", hotk->light_switch); | |
832 | } | |
833 | ||
834 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
835 | const char *buf, size_t count) | |
836 | { | |
837 | int rv, value; | |
838 | ||
839 | rv = parse_arg(buf, count, &value); | |
840 | if (rv > 0) | |
841 | set_light_sens_switch(value ? 1 : 0); | |
842 | ||
843 | return rv; | |
844 | } | |
845 | ||
846 | static void set_light_sens_level(int value) | |
847 | { | |
f8d1c94b | 848 | if (write_acpi_int(ls_level_handle, NULL, value, NULL)) |
2fcc23da | 849 | pr_warning("Error setting light sensor level\n"); |
8b857353 CC |
850 | hotk->light_level = value; |
851 | } | |
852 | ||
853 | static ssize_t show_lslvl(struct device *dev, | |
854 | struct device_attribute *attr, char *buf) | |
855 | { | |
856 | return sprintf(buf, "%d\n", hotk->light_level); | |
857 | } | |
858 | ||
859 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
860 | const char *buf, size_t count) | |
861 | { | |
862 | int rv, value; | |
863 | ||
864 | rv = parse_arg(buf, count, &value); | |
865 | if (rv > 0) { | |
866 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
867 | /* 0 <= value <= 15 */ | |
868 | set_light_sens_level(value); | |
869 | } | |
870 | ||
871 | return rv; | |
872 | } | |
873 | ||
e539c2f6 CC |
874 | /* |
875 | * GPS | |
876 | */ | |
877 | static ssize_t show_gps(struct device *dev, | |
878 | struct device_attribute *attr, char *buf) | |
879 | { | |
880 | return sprintf(buf, "%d\n", read_status(GPS_ON)); | |
881 | } | |
882 | ||
883 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
884 | const char *buf, size_t count) | |
885 | { | |
f3985327 | 886 | return store_status(buf, count, NULL, GPS_ON); |
e539c2f6 CC |
887 | } |
888 | ||
034ce90a CC |
889 | /* |
890 | * Hotkey functions | |
891 | */ | |
892 | static struct key_entry *asus_get_entry_by_scancode(int code) | |
893 | { | |
894 | struct key_entry *key; | |
895 | ||
896 | for (key = asus_keymap; key->type != KE_END; key++) | |
897 | if (code == key->code) | |
898 | return key; | |
899 | ||
900 | return NULL; | |
901 | } | |
902 | ||
903 | static struct key_entry *asus_get_entry_by_keycode(int code) | |
904 | { | |
905 | struct key_entry *key; | |
906 | ||
907 | for (key = asus_keymap; key->type != KE_END; key++) | |
908 | if (code == key->keycode && key->type == KE_KEY) | |
909 | return key; | |
910 | ||
911 | return NULL; | |
912 | } | |
913 | ||
914 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
915 | { | |
916 | struct key_entry *key = asus_get_entry_by_scancode(scancode); | |
917 | ||
918 | if (key && key->type == KE_KEY) { | |
919 | *keycode = key->keycode; | |
920 | return 0; | |
921 | } | |
922 | ||
923 | return -EINVAL; | |
924 | } | |
925 | ||
926 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
927 | { | |
928 | struct key_entry *key; | |
929 | int old_keycode; | |
930 | ||
931 | if (keycode < 0 || keycode > KEY_MAX) | |
932 | return -EINVAL; | |
933 | ||
934 | key = asus_get_entry_by_scancode(scancode); | |
935 | if (key && key->type == KE_KEY) { | |
936 | old_keycode = key->keycode; | |
937 | key->keycode = keycode; | |
938 | set_bit(keycode, dev->keybit); | |
939 | if (!asus_get_entry_by_keycode(old_keycode)) | |
940 | clear_bit(old_keycode, dev->keybit); | |
941 | return 0; | |
942 | } | |
943 | ||
944 | return -EINVAL; | |
945 | } | |
946 | ||
586ed160 | 947 | static void asus_hotk_notify(struct acpi_device *device, u32 event) |
85091b71 | 948 | { |
034ce90a | 949 | static struct key_entry *key; |
6050c8dd | 950 | u16 count; |
034ce90a | 951 | |
85091b71 CC |
952 | /* TODO Find a better way to handle events count. */ |
953 | if (!hotk) | |
954 | return; | |
955 | ||
6b7091e7 CC |
956 | /* |
957 | * We need to tell the backlight device when the backlight power is | |
958 | * switched | |
959 | */ | |
960 | if (event == ATKD_LCD_ON) { | |
935ffeec | 961 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 962 | lcd_blank(FB_BLANK_UNBLANK); |
8def05fa | 963 | } else if (event == ATKD_LCD_OFF) { |
935ffeec | 964 | write_status(NULL, 0, LCD_ON); |
6b7091e7 CC |
965 | lcd_blank(FB_BLANK_POWERDOWN); |
966 | } | |
967 | ||
6050c8dd CC |
968 | count = hotk->event_count[event % 128]++; |
969 | acpi_bus_generate_proc_event(hotk->device, event, count); | |
2a7dc0d8 CC |
970 | acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, |
971 | dev_name(&hotk->device->dev), event, | |
6050c8dd | 972 | count); |
85091b71 | 973 | |
034ce90a CC |
974 | if (hotk->inputdev) { |
975 | key = asus_get_entry_by_scancode(event); | |
976 | if (!key) | |
977 | return ; | |
978 | ||
979 | switch (key->type) { | |
980 | case KE_KEY: | |
981 | input_report_key(hotk->inputdev, key->keycode, 1); | |
982 | input_sync(hotk->inputdev); | |
983 | input_report_key(hotk->inputdev, key->keycode, 0); | |
984 | input_sync(hotk->inputdev); | |
985 | break; | |
986 | } | |
987 | } | |
85091b71 CC |
988 | } |
989 | ||
990 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
991 | struct device_attribute dev_attr_##_name = { \ | |
992 | .attr = { \ | |
993 | .name = __stringify(_name), \ | |
7b595756 | 994 | .mode = 0 }, \ |
85091b71 CC |
995 | .show = NULL, \ |
996 | .store = NULL, \ | |
997 | } | |
998 | ||
999 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
1000 | do { \ | |
1001 | dev_attr_##_name.attr.mode = _mode; \ | |
1002 | dev_attr_##_name.show = _show; \ | |
1003 | dev_attr_##_name.store = _store; \ | |
1004 | } while(0) | |
1005 | ||
1006 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
1007 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
1008 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 1009 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 1010 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
1011 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
1012 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 1013 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
1014 | |
1015 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
1016 | &dev_attr_infos.attr, |
1017 | &dev_attr_wlan.attr, | |
1018 | &dev_attr_bluetooth.attr, | |
1019 | &dev_attr_display.attr, | |
1020 | &dev_attr_ledd.attr, | |
1021 | &dev_attr_ls_switch.attr, | |
1022 | &dev_attr_ls_level.attr, | |
e539c2f6 | 1023 | &dev_attr_gps.attr, |
8def05fa | 1024 | NULL |
85091b71 CC |
1025 | }; |
1026 | ||
1027 | static struct attribute_group asuspf_attribute_group = { | |
8def05fa | 1028 | .attrs = asuspf_attributes |
85091b71 CC |
1029 | }; |
1030 | ||
1031 | static struct platform_driver asuspf_driver = { | |
8def05fa LB |
1032 | .driver = { |
1033 | .name = ASUS_HOTK_FILE, | |
1034 | .owner = THIS_MODULE, | |
1035 | } | |
85091b71 CC |
1036 | }; |
1037 | ||
1038 | static struct platform_device *asuspf_device; | |
1039 | ||
85091b71 CC |
1040 | static void asus_hotk_add_fs(void) |
1041 | { | |
1042 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
1043 | |
1044 | if (wl_switch_handle) | |
1045 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
1046 | ||
1047 | if (bt_switch_handle) | |
1048 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
1049 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
1050 | |
1051 | if (display_set_handle && display_get_handle) | |
1052 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 1053 | else if (display_set_handle) |
78127b4a CC |
1054 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
1055 | ||
722ad971 CC |
1056 | if (ledd_set_handle) |
1057 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
1058 | ||
8b857353 CC |
1059 | if (ls_switch_handle && ls_level_handle) { |
1060 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
1061 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
1062 | } | |
e539c2f6 | 1063 | |
f3985327 | 1064 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 1065 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
1066 | } |
1067 | ||
8def05fa | 1068 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1069 | char **paths, int num_paths) |
1070 | { | |
1071 | int i; | |
1072 | acpi_status status; | |
1073 | ||
1074 | for (i = 0; i < num_paths; i++) { | |
1075 | status = acpi_get_handle(NULL, paths[i], handle); | |
1076 | if (ACPI_SUCCESS(status)) | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | *handle = NULL; | |
1081 | return -ENODEV; | |
1082 | } | |
1083 | ||
1084 | #define ASUS_HANDLE_INIT(object) \ | |
1085 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1086 | ARRAY_SIZE(object##_paths)) | |
1087 | ||
85091b71 CC |
1088 | /* |
1089 | * This function is used to initialize the hotk with right values. In this | |
1090 | * method, we can make all the detection we want, and modify the hotk struct | |
1091 | */ | |
1092 | static int asus_hotk_get_info(void) | |
1093 | { | |
1094 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1095 | union acpi_object *model = NULL; |
27663c58 | 1096 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1097 | char *string = NULL; |
1098 | acpi_status status; | |
1099 | ||
1100 | /* | |
1101 | * Get DSDT headers early enough to allow for differentiating between | |
1102 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1103 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1104 | * which needs special handling (i.e. its hotkey device has a different | |
1105 | * HID), this bit will be moved. A global variable asus_info contains | |
1106 | * the DSDT header. | |
1107 | */ | |
894d79be | 1108 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
85091b71 | 1109 | if (ACPI_FAILURE(status)) |
2fcc23da | 1110 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1111 | |
1112 | /* We have to write 0 on init this far for all ASUS models */ | |
f8d1c94b | 1113 | if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1114 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1115 | return -ENODEV; |
1116 | } | |
1117 | ||
1118 | /* This needs to be called for some laptops to init properly */ | |
9a816850 CC |
1119 | status = |
1120 | acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result); | |
1121 | if (ACPI_FAILURE(status)) | |
2fcc23da | 1122 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1123 | else if (bsts_result) |
2fcc23da | 1124 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1125 | (uint) bsts_result); |
85091b71 | 1126 | |
185e5af9 CC |
1127 | /* This too ... */ |
1128 | write_acpi_int(hotk->handle, "CWAP", wapf, NULL); | |
1129 | ||
85091b71 CC |
1130 | /* |
1131 | * Try to match the object returned by INIT to the specific model. | |
1132 | * Handle every possible object (or the lack of thereof) the DSDT | |
1133 | * writers might throw at us. When in trouble, we pass NULL to | |
1134 | * asus_model_match() and try something completely different. | |
1135 | */ | |
1136 | if (buffer.pointer) { | |
1137 | model = buffer.pointer; | |
1138 | switch (model->type) { | |
1139 | case ACPI_TYPE_STRING: | |
1140 | string = model->string.pointer; | |
1141 | break; | |
1142 | case ACPI_TYPE_BUFFER: | |
1143 | string = model->buffer.pointer; | |
1144 | break; | |
1145 | default: | |
1146 | string = ""; | |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | hotk->name = kstrdup(string, GFP_KERNEL); | |
1151 | if (!hotk->name) | |
1152 | return -ENOMEM; | |
1153 | ||
8def05fa | 1154 | if (*string) |
2fcc23da | 1155 | pr_notice(" %s model detected\n", string); |
85091b71 | 1156 | |
be18cdab CC |
1157 | ASUS_HANDLE_INIT(mled_set); |
1158 | ASUS_HANDLE_INIT(tled_set); | |
1159 | ASUS_HANDLE_INIT(rled_set); | |
1160 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1161 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1162 | |
722ad971 CC |
1163 | ASUS_HANDLE_INIT(ledd_set); |
1164 | ||
b7d3fbc2 CC |
1165 | ASUS_HANDLE_INIT(kled_set); |
1166 | ASUS_HANDLE_INIT(kled_get); | |
1167 | ||
4564de17 CC |
1168 | /* |
1169 | * The HWRS method return informations about the hardware. | |
1170 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1171 | * The significance of others is yet to be found. | |
1172 | * If we don't find the method, we assume the device are present. | |
1173 | */ | |
9a816850 CC |
1174 | status = |
1175 | acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result); | |
1176 | if (ACPI_FAILURE(status)) | |
4564de17 CC |
1177 | hwrs_result = WL_HWRS | BT_HWRS; |
1178 | ||
8def05fa | 1179 | if (hwrs_result & WL_HWRS) |
4564de17 | 1180 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1181 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1182 | ASUS_HANDLE_INIT(bt_switch); |
1183 | ||
1184 | ASUS_HANDLE_INIT(wireless_status); | |
1185 | ||
6b7091e7 CC |
1186 | ASUS_HANDLE_INIT(brightness_set); |
1187 | ASUS_HANDLE_INIT(brightness_get); | |
1188 | ||
1189 | ASUS_HANDLE_INIT(lcd_switch); | |
1190 | ||
78127b4a CC |
1191 | ASUS_HANDLE_INIT(display_set); |
1192 | ASUS_HANDLE_INIT(display_get); | |
1193 | ||
be966660 CC |
1194 | /* |
1195 | * There is a lot of models with "ALSL", but a few get | |
1196 | * a real light sens, so we need to check it. | |
1197 | */ | |
832d9950 | 1198 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1199 | ASUS_HANDLE_INIT(ls_level); |
1200 | ||
e539c2f6 CC |
1201 | ASUS_HANDLE_INIT(gps_on); |
1202 | ASUS_HANDLE_INIT(gps_off); | |
1203 | ASUS_HANDLE_INIT(gps_status); | |
1204 | ||
85091b71 CC |
1205 | kfree(model); |
1206 | ||
1207 | return AE_OK; | |
1208 | } | |
1209 | ||
034ce90a CC |
1210 | static int asus_input_init(void) |
1211 | { | |
1212 | const struct key_entry *key; | |
1213 | int result; | |
1214 | ||
1215 | hotk->inputdev = input_allocate_device(); | |
1216 | if (!hotk->inputdev) { | |
2fcc23da | 1217 | pr_info("Unable to allocate input device\n"); |
034ce90a CC |
1218 | return 0; |
1219 | } | |
1220 | hotk->inputdev->name = "Asus Laptop extra buttons"; | |
1221 | hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; | |
1222 | hotk->inputdev->id.bustype = BUS_HOST; | |
1223 | hotk->inputdev->getkeycode = asus_getkeycode; | |
1224 | hotk->inputdev->setkeycode = asus_setkeycode; | |
1225 | ||
1226 | for (key = asus_keymap; key->type != KE_END; key++) { | |
1227 | switch (key->type) { | |
1228 | case KE_KEY: | |
1229 | set_bit(EV_KEY, hotk->inputdev->evbit); | |
1230 | set_bit(key->keycode, hotk->inputdev->keybit); | |
1231 | break; | |
1232 | } | |
1233 | } | |
1234 | result = input_register_device(hotk->inputdev); | |
1235 | if (result) { | |
2fcc23da | 1236 | pr_info("Unable to register input device\n"); |
034ce90a CC |
1237 | input_free_device(hotk->inputdev); |
1238 | } | |
1239 | return result; | |
1240 | } | |
1241 | ||
85091b71 CC |
1242 | static int asus_hotk_check(void) |
1243 | { | |
1244 | int result = 0; | |
1245 | ||
1246 | result = acpi_bus_get_status(hotk->device); | |
1247 | if (result) | |
1248 | return result; | |
1249 | ||
1250 | if (hotk->device->status.present) { | |
1251 | result = asus_hotk_get_info(); | |
1252 | } else { | |
2fcc23da | 1253 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1254 | return -EINVAL; |
1255 | } | |
1256 | ||
1257 | return result; | |
1258 | } | |
1259 | ||
1260 | static int asus_hotk_found; | |
1261 | ||
1262 | static int asus_hotk_add(struct acpi_device *device) | |
1263 | { | |
85091b71 CC |
1264 | int result; |
1265 | ||
2fcc23da | 1266 | pr_notice("Asus Laptop Support version %s\n", |
85091b71 CC |
1267 | ASUS_LAPTOP_VERSION); |
1268 | ||
dd00cc48 | 1269 | hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); |
85091b71 CC |
1270 | if (!hotk) |
1271 | return -ENOMEM; | |
85091b71 CC |
1272 | |
1273 | hotk->handle = device->handle; | |
1274 | strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); | |
1275 | strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); | |
db89b4f0 | 1276 | device->driver_data = hotk; |
85091b71 CC |
1277 | hotk->device = device; |
1278 | ||
1279 | result = asus_hotk_check(); | |
1280 | if (result) | |
1281 | goto end; | |
1282 | ||
1283 | asus_hotk_add_fs(); | |
1284 | ||
85091b71 CC |
1285 | asus_hotk_found = 1; |
1286 | ||
6b7091e7 | 1287 | /* WLED and BLED are on by default */ |
0e875f49 CC |
1288 | if (bluetooth_status != -1) |
1289 | write_status(bt_switch_handle, !!bluetooth_status, BT_ON); | |
1290 | if (wireless_status != -1) | |
1291 | write_status(wl_switch_handle, !!wireless_status, WL_ON); | |
935ffeec CC |
1292 | |
1293 | /* If the h/w switch is off, we need to check the real status */ | |
1294 | write_status(NULL, read_status(BT_ON), BT_ON); | |
1295 | write_status(NULL, read_status(WL_ON), WL_ON); | |
4564de17 | 1296 | |
6b7091e7 | 1297 | /* LCD Backlight is on by default */ |
935ffeec | 1298 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 1299 | |
b7d3fbc2 CC |
1300 | /* Keyboard Backlight is on by default */ |
1301 | if (kled_set_handle) | |
1302 | set_kled_lvl(1); | |
1303 | ||
722ad971 CC |
1304 | /* LED display is off by default */ |
1305 | hotk->ledd_status = 0xFFF; | |
1306 | ||
8def05fa | 1307 | /* Set initial values of light sensor and level */ |
d951d4cc CC |
1308 | hotk->light_switch = 0; /* Default to light sensor disabled */ |
1309 | hotk->light_level = 5; /* level 5 for sensor sensitivity */ | |
8b857353 | 1310 | |
8def05fa LB |
1311 | if (ls_switch_handle) |
1312 | set_light_sens_switch(hotk->light_switch); | |
8b857353 | 1313 | |
8def05fa LB |
1314 | if (ls_level_handle) |
1315 | set_light_sens_level(hotk->light_level); | |
8b857353 | 1316 | |
e539c2f6 CC |
1317 | /* GPS is on by default */ |
1318 | write_status(NULL, 1, GPS_ON); | |
1319 | ||
ed6f4421 | 1320 | end: |
85091b71 CC |
1321 | if (result) { |
1322 | kfree(hotk->name); | |
1323 | kfree(hotk); | |
1324 | } | |
1325 | ||
1326 | return result; | |
1327 | } | |
1328 | ||
1329 | static int asus_hotk_remove(struct acpi_device *device, int type) | |
1330 | { | |
85091b71 CC |
1331 | kfree(hotk->name); |
1332 | kfree(hotk); | |
1333 | ||
1334 | return 0; | |
1335 | } | |
1336 | ||
6b7091e7 CC |
1337 | static void asus_backlight_exit(void) |
1338 | { | |
8def05fa | 1339 | if (asus_backlight_device) |
6b7091e7 CC |
1340 | backlight_device_unregister(asus_backlight_device); |
1341 | } | |
1342 | ||
be18cdab | 1343 | #define ASUS_LED_UNREGISTER(object) \ |
e1996a69 GC |
1344 | if (object##_led.dev) \ |
1345 | led_classdev_unregister(&object##_led) | |
be18cdab CC |
1346 | |
1347 | static void asus_led_exit(void) | |
1348 | { | |
3b0d7117 | 1349 | destroy_workqueue(led_workqueue); |
be18cdab CC |
1350 | ASUS_LED_UNREGISTER(mled); |
1351 | ASUS_LED_UNREGISTER(tled); | |
1352 | ASUS_LED_UNREGISTER(pled); | |
1353 | ASUS_LED_UNREGISTER(rled); | |
fdd8d080 | 1354 | ASUS_LED_UNREGISTER(gled); |
b7d3fbc2 | 1355 | ASUS_LED_UNREGISTER(kled); |
be18cdab CC |
1356 | } |
1357 | ||
034ce90a CC |
1358 | static void asus_input_exit(void) |
1359 | { | |
1360 | if (hotk->inputdev) | |
1361 | input_unregister_device(hotk->inputdev); | |
1362 | } | |
1363 | ||
85091b71 CC |
1364 | static void __exit asus_laptop_exit(void) |
1365 | { | |
6b7091e7 | 1366 | asus_backlight_exit(); |
be18cdab | 1367 | asus_led_exit(); |
034ce90a | 1368 | asus_input_exit(); |
be18cdab | 1369 | |
85091b71 | 1370 | acpi_bus_unregister_driver(&asus_hotk_driver); |
8def05fa LB |
1371 | sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); |
1372 | platform_device_unregister(asuspf_device); | |
1373 | platform_driver_unregister(&asuspf_driver); | |
85091b71 CC |
1374 | } |
1375 | ||
8def05fa | 1376 | static int asus_backlight_init(struct device *dev) |
6b7091e7 CC |
1377 | { |
1378 | struct backlight_device *bd; | |
1379 | ||
8def05fa LB |
1380 | if (brightness_set_handle && lcd_switch_handle) { |
1381 | bd = backlight_device_register(ASUS_HOTK_FILE, dev, | |
599a52d1 | 1382 | NULL, &asusbl_ops); |
8def05fa | 1383 | if (IS_ERR(bd)) { |
2fcc23da | 1384 | pr_err("Could not register asus backlight device\n"); |
6b7091e7 CC |
1385 | asus_backlight_device = NULL; |
1386 | return PTR_ERR(bd); | |
1387 | } | |
1388 | ||
1389 | asus_backlight_device = bd; | |
1390 | ||
599a52d1 RP |
1391 | bd->props.max_brightness = 15; |
1392 | bd->props.brightness = read_brightness(NULL); | |
1393 | bd->props.power = FB_BLANK_UNBLANK; | |
28ee086d | 1394 | backlight_update_status(bd); |
6b7091e7 CC |
1395 | } |
1396 | return 0; | |
1397 | } | |
1398 | ||
be18cdab | 1399 | static int asus_led_register(acpi_handle handle, |
8def05fa | 1400 | struct led_classdev *ldev, struct device *dev) |
be18cdab | 1401 | { |
8def05fa | 1402 | if (!handle) |
be18cdab CC |
1403 | return 0; |
1404 | ||
1405 | return led_classdev_register(dev, ldev); | |
1406 | } | |
8def05fa | 1407 | |
be18cdab CC |
1408 | #define ASUS_LED_REGISTER(object, device) \ |
1409 | asus_led_register(object##_set_handle, &object##_led, device) | |
1410 | ||
8def05fa | 1411 | static int asus_led_init(struct device *dev) |
be18cdab CC |
1412 | { |
1413 | int rv; | |
1414 | ||
1415 | rv = ASUS_LED_REGISTER(mled, dev); | |
8def05fa | 1416 | if (rv) |
3b0d7117 | 1417 | goto out; |
be18cdab CC |
1418 | |
1419 | rv = ASUS_LED_REGISTER(tled, dev); | |
8def05fa | 1420 | if (rv) |
3b0d7117 | 1421 | goto out1; |
be18cdab CC |
1422 | |
1423 | rv = ASUS_LED_REGISTER(rled, dev); | |
8def05fa | 1424 | if (rv) |
3b0d7117 | 1425 | goto out2; |
be18cdab CC |
1426 | |
1427 | rv = ASUS_LED_REGISTER(pled, dev); | |
8def05fa | 1428 | if (rv) |
3b0d7117 | 1429 | goto out3; |
be18cdab | 1430 | |
fdd8d080 CC |
1431 | rv = ASUS_LED_REGISTER(gled, dev); |
1432 | if (rv) | |
3b0d7117 | 1433 | goto out4; |
fdd8d080 | 1434 | |
b7d3fbc2 CC |
1435 | if (kled_set_handle && kled_get_handle) |
1436 | rv = ASUS_LED_REGISTER(kled, dev); | |
1437 | if (rv) | |
1438 | goto out5; | |
1439 | ||
be18cdab | 1440 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
8def05fa | 1441 | if (!led_workqueue) |
b7d3fbc2 | 1442 | goto out6; |
be18cdab CC |
1443 | |
1444 | return 0; | |
b7d3fbc2 | 1445 | out6: |
3b0d7117 | 1446 | rv = -ENOMEM; |
b7d3fbc2 CC |
1447 | ASUS_LED_UNREGISTER(kled); |
1448 | out5: | |
3b0d7117 AV |
1449 | ASUS_LED_UNREGISTER(gled); |
1450 | out4: | |
1451 | ASUS_LED_UNREGISTER(pled); | |
1452 | out3: | |
1453 | ASUS_LED_UNREGISTER(rled); | |
1454 | out2: | |
1455 | ASUS_LED_UNREGISTER(tled); | |
1456 | out1: | |
1457 | ASUS_LED_UNREGISTER(mled); | |
1458 | out: | |
1459 | return rv; | |
be18cdab CC |
1460 | } |
1461 | ||
85091b71 CC |
1462 | static int __init asus_laptop_init(void) |
1463 | { | |
1464 | int result; | |
1465 | ||
85091b71 CC |
1466 | result = acpi_bus_register_driver(&asus_hotk_driver); |
1467 | if (result < 0) | |
1468 | return result; | |
1469 | ||
1470 | /* | |
1471 | * This is a bit of a kludge. We only want this module loaded | |
1472 | * for ASUS systems, but there's currently no way to probe the | |
1473 | * ACPI namespace for ASUS HIDs. So we just return failure if | |
1474 | * we didn't find one, which will cause the module to be | |
1475 | * unloaded. | |
1476 | */ | |
1477 | if (!asus_hotk_found) { | |
1478 | acpi_bus_unregister_driver(&asus_hotk_driver); | |
1479 | return -ENODEV; | |
1480 | } | |
1481 | ||
034ce90a CC |
1482 | result = asus_input_init(); |
1483 | if (result) | |
1484 | goto fail_input; | |
1485 | ||
8def05fa | 1486 | /* Register platform stuff */ |
85091b71 | 1487 | result = platform_driver_register(&asuspf_driver); |
8def05fa LB |
1488 | if (result) |
1489 | goto fail_platform_driver; | |
85091b71 | 1490 | |
8def05fa LB |
1491 | asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); |
1492 | if (!asuspf_device) { | |
1493 | result = -ENOMEM; | |
1494 | goto fail_platform_device1; | |
1495 | } | |
85091b71 | 1496 | |
8def05fa LB |
1497 | result = platform_device_add(asuspf_device); |
1498 | if (result) | |
1499 | goto fail_platform_device2; | |
85091b71 | 1500 | |
8def05fa | 1501 | result = sysfs_create_group(&asuspf_device->dev.kobj, |
85091b71 | 1502 | &asuspf_attribute_group); |
8def05fa LB |
1503 | if (result) |
1504 | goto fail_sysfs; | |
85091b71 | 1505 | |
116bf2e0 CC |
1506 | result = asus_led_init(&asuspf_device->dev); |
1507 | if (result) | |
1508 | goto fail_led; | |
1509 | ||
1510 | if (!acpi_video_backlight_support()) { | |
1511 | result = asus_backlight_init(&asuspf_device->dev); | |
1512 | if (result) | |
1513 | goto fail_backlight; | |
1514 | } else | |
2fcc23da | 1515 | pr_info("Brightness ignored, must be controlled by " |
116bf2e0 CC |
1516 | "ACPI video driver\n"); |
1517 | ||
8def05fa | 1518 | return 0; |
85091b71 | 1519 | |
116bf2e0 CC |
1520 | fail_backlight: |
1521 | asus_led_exit(); | |
1522 | ||
1523 | fail_led: | |
1524 | sysfs_remove_group(&asuspf_device->dev.kobj, | |
1525 | &asuspf_attribute_group); | |
1526 | ||
ed6f4421 | 1527 | fail_sysfs: |
8def05fa | 1528 | platform_device_del(asuspf_device); |
85091b71 | 1529 | |
ed6f4421 | 1530 | fail_platform_device2: |
85091b71 CC |
1531 | platform_device_put(asuspf_device); |
1532 | ||
ed6f4421 | 1533 | fail_platform_device1: |
8def05fa | 1534 | platform_driver_unregister(&asuspf_driver); |
85091b71 | 1535 | |
ed6f4421 | 1536 | fail_platform_driver: |
034ce90a CC |
1537 | asus_input_exit(); |
1538 | ||
ed6f4421 | 1539 | fail_input: |
85091b71 CC |
1540 | |
1541 | return result; | |
1542 | } | |
1543 | ||
1544 | module_init(asus_laptop_init); | |
1545 | module_exit(asus_laptop_exit); |