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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 | |
91687cc8 | 53 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 54 | |
91687cc8 CC |
55 | #define ASUS_HOTK_NAME "Asus Laptop Support" |
56 | #define ASUS_HOTK_CLASS "hotkey" | |
57 | #define ASUS_HOTK_DEVICE_NAME "Hotkey" | |
58 | #define ASUS_HOTK_FILE KBUILD_MODNAME | |
59 | #define ASUS_HOTK_PREFIX "\\_SB.ATKD." | |
85091b71 | 60 | |
2fcc23da | 61 | |
6b7091e7 CC |
62 | /* |
63 | * Some events we use, same for all Asus | |
64 | */ | |
91687cc8 CC |
65 | #define ATKD_BR_UP 0x10 |
66 | #define ATKD_BR_DOWN 0x20 | |
67 | #define ATKD_LCD_ON 0x33 | |
68 | #define ATKD_LCD_OFF 0x34 | |
6b7091e7 | 69 | |
4564de17 CC |
70 | /* |
71 | * Known bits returned by \_SB.ATKD.HWRS | |
72 | */ | |
91687cc8 CC |
73 | #define WL_HWRS 0x80 |
74 | #define BT_HWRS 0x100 | |
4564de17 | 75 | |
be18cdab CC |
76 | /* |
77 | * Flags for hotk status | |
4564de17 | 78 | * WL_ON and BT_ON are also used for wireless_status() |
be18cdab | 79 | */ |
91687cc8 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 */ | |
85091b71 CC |
90 | |
91 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); | |
92 | MODULE_DESCRIPTION(ASUS_HOTK_NAME); | |
93 | MODULE_LICENSE("GPL"); | |
94 | ||
be966660 CC |
95 | /* |
96 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
97 | * The significance of values is yet to be found, but |
98 | * most of the time: | |
99 | * 0x0 will do nothing | |
100 | * 0x1 will allow to control the device with Fn+Fx key. | |
101 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
102 | * 0x5 like 0x1 or 0x4 | |
103 | * So, if something doesn't work as you want, just try other values =) | |
104 | */ | |
105 | static uint wapf = 1; | |
106 | module_param(wapf, uint, 0644); | |
107 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
108 | ||
0e875f49 CC |
109 | static uint wireless_status = 1; |
110 | static uint bluetooth_status = 1; | |
111 | ||
112 | module_param(wireless_status, uint, 0644); | |
113 | MODULE_PARM_DESC(wireless_status, "Set the wireless status on boot " | |
114 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
115 | "default is 1"); | |
116 | ||
117 | module_param(bluetooth_status, uint, 0644); | |
118 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
119 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
120 | "default is 1"); | |
121 | ||
85091b71 CC |
122 | #define ASUS_HANDLE(object, paths...) \ |
123 | static acpi_handle object##_handle = NULL; \ | |
124 | static char *object##_paths[] = { paths } | |
125 | ||
be18cdab CC |
126 | /* LED */ |
127 | ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); | |
128 | ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); | |
8def05fa LB |
129 | ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ |
130 | ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ | |
fdd8d080 | 131 | ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ |
be18cdab | 132 | |
722ad971 CC |
133 | /* LEDD */ |
134 | ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); | |
135 | ||
be966660 CC |
136 | /* |
137 | * Bluetooth and WLAN | |
4564de17 CC |
138 | * WLED and BLED are not handled like other XLED, because in some dsdt |
139 | * they also control the WLAN/Bluetooth device. | |
140 | */ | |
141 | ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); | |
142 | ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); | |
8def05fa | 143 | ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ |
4564de17 | 144 | |
6b7091e7 CC |
145 | /* Brightness */ |
146 | ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); | |
147 | ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); | |
148 | ||
149 | /* Backlight */ | |
8def05fa LB |
150 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
151 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
152 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
153 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
154 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 155 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
156 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
157 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 158 | |
78127b4a CC |
159 | /* Display */ |
160 | ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); | |
be966660 CC |
161 | ASUS_HANDLE(display_get, |
162 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
163 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
164 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
165 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
166 | /* A6V A6Q */ | |
167 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
168 | /* A6T, A6M */ | |
169 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
170 | /* L3C */ | |
171 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
172 | /* Z96F */ | |
173 | "\\_SB.PCI0.VGA.GETD", | |
174 | /* A2D */ | |
175 | "\\ACTD", | |
176 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
177 | "\\ADVG", | |
178 | /* P30 */ | |
179 | "\\DNXT", | |
180 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
181 | "\\INFB", | |
182 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
183 | "\\SSTE"); | |
184 | ||
185 | ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ | |
186 | ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 187 | |
e539c2f6 CC |
188 | /* GPS */ |
189 | /* R2H use different handle for GPS on/off */ | |
f3985327 CC |
190 | ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */ |
191 | ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */ | |
e539c2f6 CC |
192 | ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST"); |
193 | ||
b7d3fbc2 CC |
194 | /* Keyboard light */ |
195 | ASUS_HANDLE(kled_set, ASUS_HOTK_PREFIX "SLKB"); | |
196 | ASUS_HANDLE(kled_get, ASUS_HOTK_PREFIX "GLKB"); | |
197 | ||
85091b71 CC |
198 | /* |
199 | * This is the main structure, we can use it to store anything interesting | |
200 | * about the hotk device | |
201 | */ | |
202 | struct asus_hotk { | |
be966660 CC |
203 | char *name; /* laptop name */ |
204 | struct acpi_device *device; /* the device we are in */ | |
205 | acpi_handle handle; /* the handle of the hotk device */ | |
206 | char status; /* status of the hotk, for LEDs, ... */ | |
207 | u32 ledd_status; /* status of the LED display */ | |
208 | u8 light_level; /* light sensor level */ | |
209 | u8 light_switch; /* light sensor switch value */ | |
210 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a CC |
211 | struct input_dev *inputdev; |
212 | u16 *keycode_map; | |
85091b71 CC |
213 | }; |
214 | ||
215 | /* | |
216 | * This header is made available to allow proper configuration given model, | |
217 | * revision number , ... this info cannot go in struct asus_hotk because it is | |
218 | * available before the hotk | |
219 | */ | |
220 | static struct acpi_table_header *asus_info; | |
221 | ||
222 | /* The actual device the driver binds to */ | |
223 | static struct asus_hotk *hotk; | |
224 | ||
225 | /* | |
226 | * The hotkey driver declaration | |
227 | */ | |
1ba90e3a TR |
228 | static const struct acpi_device_id asus_device_ids[] = { |
229 | {"ATK0100", 0}, | |
14f8af31 | 230 | {"ATK0101", 0}, |
1ba90e3a TR |
231 | {"", 0}, |
232 | }; | |
233 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
234 | ||
85091b71 CC |
235 | static int asus_hotk_add(struct acpi_device *device); |
236 | static int asus_hotk_remove(struct acpi_device *device, int type); | |
586ed160 BH |
237 | static void asus_hotk_notify(struct acpi_device *device, u32 event); |
238 | ||
85091b71 CC |
239 | static struct acpi_driver asus_hotk_driver = { |
240 | .name = ASUS_HOTK_NAME, | |
241 | .class = ASUS_HOTK_CLASS, | |
edf62452 | 242 | .owner = THIS_MODULE, |
1ba90e3a | 243 | .ids = asus_device_ids, |
586ed160 | 244 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
85091b71 CC |
245 | .ops = { |
246 | .add = asus_hotk_add, | |
247 | .remove = asus_hotk_remove, | |
586ed160 | 248 | .notify = asus_hotk_notify, |
85091b71 CC |
249 | }, |
250 | }; | |
251 | ||
6b7091e7 CC |
252 | /* The backlight device /sys/class/backlight */ |
253 | static struct backlight_device *asus_backlight_device; | |
254 | ||
255 | /* | |
256 | * The backlight class declaration | |
257 | */ | |
258 | static int read_brightness(struct backlight_device *bd); | |
259 | static int update_bl_status(struct backlight_device *bd); | |
599a52d1 | 260 | static struct backlight_ops asusbl_ops = { |
8def05fa LB |
261 | .get_brightness = read_brightness, |
262 | .update_status = update_bl_status, | |
6b7091e7 CC |
263 | }; |
264 | ||
be966660 CC |
265 | /* |
266 | * These functions actually update the LED's, and are called from a | |
be18cdab CC |
267 | * workqueue. By doing this as separate work rather than when the LED |
268 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
be966660 CC |
269 | * potentially bad time, such as a timer interrupt. |
270 | */ | |
be18cdab CC |
271 | static struct workqueue_struct *led_workqueue; |
272 | ||
977c328d | 273 | #define ASUS_LED(object, ledname, max) \ |
be18cdab CC |
274 | static void object##_led_set(struct led_classdev *led_cdev, \ |
275 | enum led_brightness value); \ | |
abfa57e1 CC |
276 | static enum led_brightness object##_led_get( \ |
277 | struct led_classdev *led_cdev); \ | |
be18cdab CC |
278 | static void object##_led_update(struct work_struct *ignored); \ |
279 | static int object##_led_wk; \ | |
f110ef58 | 280 | static DECLARE_WORK(object##_led_work, object##_led_update); \ |
be18cdab | 281 | static struct led_classdev object##_led = { \ |
6c152bee | 282 | .name = "asus::" ledname, \ |
be18cdab | 283 | .brightness_set = object##_led_set, \ |
abfa57e1 | 284 | .brightness_get = object##_led_get, \ |
977c328d | 285 | .max_brightness = max \ |
be18cdab CC |
286 | } |
287 | ||
977c328d CC |
288 | ASUS_LED(mled, "mail", 1); |
289 | ASUS_LED(tled, "touchpad", 1); | |
290 | ASUS_LED(rled, "record", 1); | |
291 | ASUS_LED(pled, "phone", 1); | |
292 | ASUS_LED(gled, "gaming", 1); | |
b7d3fbc2 | 293 | ASUS_LED(kled, "kbd_backlight", 3); |
be18cdab | 294 | |
034ce90a CC |
295 | struct key_entry { |
296 | char type; | |
297 | u8 code; | |
298 | u16 keycode; | |
299 | }; | |
300 | ||
301 | enum { KE_KEY, KE_END }; | |
302 | ||
303 | static struct key_entry asus_keymap[] = { | |
14f8af31 IP |
304 | {KE_KEY, 0x02, KEY_SCREENLOCK}, |
305 | {KE_KEY, 0x05, KEY_WLAN}, | |
306 | {KE_KEY, 0x08, KEY_F13}, | |
307 | {KE_KEY, 0x17, KEY_ZOOM}, | |
308 | {KE_KEY, 0x1f, KEY_BATTERY}, | |
034ce90a CC |
309 | {KE_KEY, 0x30, KEY_VOLUMEUP}, |
310 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
311 | {KE_KEY, 0x32, KEY_MUTE}, | |
312 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
313 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
314 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
315 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 316 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a | 317 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
4644d0e5 | 318 | {KE_KEY, 0x4c, KEY_MEDIA}, |
034ce90a CC |
319 | {KE_KEY, 0x50, KEY_EMAIL}, |
320 | {KE_KEY, 0x51, KEY_WWW}, | |
0aa20f7d | 321 | {KE_KEY, 0x55, KEY_CALC}, |
309f5fbd | 322 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a | 323 | {KE_KEY, 0x5D, KEY_WLAN}, |
f641375b CC |
324 | {KE_KEY, 0x5E, KEY_WLAN}, |
325 | {KE_KEY, 0x5F, KEY_WLAN}, | |
326 | {KE_KEY, 0x60, KEY_SWITCHVIDEOMODE}, | |
034ce90a | 327 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, |
14f8af31 IP |
328 | {KE_KEY, 0x62, KEY_SWITCHVIDEOMODE}, |
329 | {KE_KEY, 0x63, KEY_SWITCHVIDEOMODE}, | |
16851f92 | 330 | {KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */ |
034ce90a | 331 | {KE_KEY, 0x82, KEY_CAMERA}, |
1f0233ee | 332 | {KE_KEY, 0x88, KEY_WLAN }, |
309f5fbd | 333 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
334 | {KE_KEY, 0x95, KEY_MEDIA}, |
335 | {KE_KEY, 0x99, KEY_PHONE}, | |
dc795260 CC |
336 | {KE_KEY, 0xc4, KEY_KBDILLUMUP}, |
337 | {KE_KEY, 0xc5, KEY_KBDILLUMDOWN}, | |
034ce90a CC |
338 | {KE_END, 0}, |
339 | }; | |
340 | ||
85091b71 CC |
341 | /* |
342 | * This function evaluates an ACPI method, given an int as parameter, the | |
343 | * method is searched within the scope of the handle, can be NULL. The output | |
344 | * of the method is written is output, which can also be NULL | |
345 | * | |
f8d1c94b | 346 | * returns 0 if write is successful, -1 else. |
85091b71 | 347 | */ |
d8c67323 CC |
348 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
349 | struct acpi_buffer *output) | |
85091b71 | 350 | { |
be966660 CC |
351 | struct acpi_object_list params; /* list of input parameters (an int) */ |
352 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
353 | acpi_status status; |
354 | ||
f8d1c94b CC |
355 | if (!handle) |
356 | return 0; | |
357 | ||
85091b71 CC |
358 | params.count = 1; |
359 | params.pointer = &in_obj; | |
360 | in_obj.type = ACPI_TYPE_INTEGER; | |
361 | in_obj.integer.value = val; | |
362 | ||
363 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
364 | if (status == AE_OK) |
365 | return 0; | |
366 | else | |
367 | return -1; | |
85091b71 CC |
368 | } |
369 | ||
d8c67323 CC |
370 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
371 | { | |
372 | return write_acpi_int_ret(handle, method, val, NULL); | |
373 | } | |
374 | ||
8def05fa LB |
375 | static int read_wireless_status(int mask) |
376 | { | |
27663c58 | 377 | unsigned long long status; |
9a816850 | 378 | acpi_status rv = AE_OK; |
4564de17 CC |
379 | |
380 | if (!wireless_status_handle) | |
381 | return (hotk->status & mask) ? 1 : 0; | |
382 | ||
9a816850 CC |
383 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); |
384 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 385 | pr_warning("Error reading Wireless status\n"); |
9a816850 CC |
386 | else |
387 | return (status & mask) ? 1 : 0; | |
4564de17 CC |
388 | |
389 | return (hotk->status & mask) ? 1 : 0; | |
390 | } | |
391 | ||
f3985327 CC |
392 | static int read_gps_status(void) |
393 | { | |
27663c58 | 394 | unsigned long long status; |
e539c2f6 CC |
395 | acpi_status rv = AE_OK; |
396 | ||
397 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
398 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 399 | pr_warning("Error reading GPS status\n"); |
e539c2f6 | 400 | else |
f3985327 | 401 | return status ? 1 : 0; |
e539c2f6 | 402 | |
f3985327 | 403 | return (hotk->status & GPS_ON) ? 1 : 0; |
e539c2f6 CC |
404 | } |
405 | ||
be18cdab CC |
406 | /* Generic LED functions */ |
407 | static int read_status(int mask) | |
408 | { | |
4564de17 CC |
409 | /* There is a special method for both wireless devices */ |
410 | if (mask == BT_ON || mask == WL_ON) | |
411 | return read_wireless_status(mask); | |
f3985327 CC |
412 | else if (mask == GPS_ON) |
413 | return read_gps_status(); | |
4564de17 | 414 | |
be18cdab CC |
415 | return (hotk->status & mask) ? 1 : 0; |
416 | } | |
417 | ||
935ffeec | 418 | static void write_status(acpi_handle handle, int out, int mask) |
be18cdab CC |
419 | { |
420 | hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); | |
421 | ||
935ffeec CC |
422 | switch (mask) { |
423 | case MLED_ON: | |
e1af14e4 | 424 | out = !(out & 0x1); |
935ffeec | 425 | break; |
fdd8d080 CC |
426 | case GLED_ON: |
427 | out = (out & 0x1) + 1; | |
428 | break; | |
e539c2f6 CC |
429 | case GPS_ON: |
430 | handle = (out) ? gps_on_handle : gps_off_handle; | |
431 | out = 0x02; | |
432 | break; | |
935ffeec CC |
433 | default: |
434 | out &= 0x1; | |
435 | break; | |
436 | } | |
be18cdab | 437 | |
d8c67323 | 438 | if (write_acpi_int(handle, NULL, out)) |
2fcc23da | 439 | pr_warning(" write failed %x\n", mask); |
be18cdab CC |
440 | } |
441 | ||
442 | /* /sys/class/led handlers */ | |
935ffeec | 443 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
444 | static void object##_led_set(struct led_classdev *led_cdev, \ |
445 | enum led_brightness value) \ | |
446 | { \ | |
e3deda9c | 447 | object##_led_wk = (value > 0) ? 1 : 0; \ |
be18cdab CC |
448 | queue_work(led_workqueue, &object##_led_work); \ |
449 | } \ | |
450 | static void object##_led_update(struct work_struct *ignored) \ | |
451 | { \ | |
452 | int value = object##_led_wk; \ | |
935ffeec | 453 | write_status(object##_set_handle, value, (mask)); \ |
abfa57e1 CC |
454 | } \ |
455 | static enum led_brightness object##_led_get( \ | |
456 | struct led_classdev *led_cdev) \ | |
457 | { \ | |
458 | return led_cdev->brightness; \ | |
be18cdab CC |
459 | } |
460 | ||
935ffeec CC |
461 | ASUS_LED_HANDLER(mled, MLED_ON); |
462 | ASUS_LED_HANDLER(pled, PLED_ON); | |
463 | ASUS_LED_HANDLER(rled, RLED_ON); | |
464 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 465 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 466 | |
b7d3fbc2 CC |
467 | /* |
468 | * Keyboard backlight | |
469 | */ | |
470 | static int get_kled_lvl(void) | |
471 | { | |
472 | unsigned long long kblv; | |
473 | struct acpi_object_list params; | |
474 | union acpi_object in_obj; | |
475 | acpi_status rv; | |
476 | ||
477 | params.count = 1; | |
478 | params.pointer = &in_obj; | |
479 | in_obj.type = ACPI_TYPE_INTEGER; | |
480 | in_obj.integer.value = 2; | |
481 | ||
482 | rv = acpi_evaluate_integer(kled_get_handle, NULL, ¶ms, &kblv); | |
483 | if (ACPI_FAILURE(rv)) { | |
484 | pr_warning("Error reading kled level\n"); | |
485 | return 0; | |
486 | } | |
487 | return kblv; | |
488 | } | |
489 | ||
490 | static int set_kled_lvl(int kblv) | |
491 | { | |
492 | if (kblv > 0) | |
493 | kblv = (1 << 7) | (kblv & 0x7F); | |
494 | else | |
495 | kblv = 0; | |
496 | ||
d8c67323 | 497 | if (write_acpi_int(kled_set_handle, NULL, kblv)) { |
b7d3fbc2 CC |
498 | pr_warning("Keyboard LED display write failed\n"); |
499 | return -EINVAL; | |
500 | } | |
501 | return 0; | |
502 | } | |
503 | ||
504 | static void kled_led_set(struct led_classdev *led_cdev, | |
505 | enum led_brightness value) | |
506 | { | |
507 | kled_led_wk = value; | |
508 | queue_work(led_workqueue, &kled_led_work); | |
509 | } | |
510 | ||
511 | static void kled_led_update(struct work_struct *ignored) | |
512 | { | |
513 | set_kled_lvl(kled_led_wk); | |
514 | } | |
515 | ||
516 | static enum led_brightness kled_led_get(struct led_classdev *led_cdev) | |
517 | { | |
518 | return get_kled_lvl(); | |
519 | } | |
520 | ||
6b7091e7 CC |
521 | static int get_lcd_state(void) |
522 | { | |
523 | return read_status(LCD_ON); | |
524 | } | |
525 | ||
526 | static int set_lcd_state(int value) | |
527 | { | |
528 | int lcd = 0; | |
529 | acpi_status status = 0; | |
530 | ||
531 | lcd = value ? 1 : 0; | |
532 | ||
533 | if (lcd == get_lcd_state()) | |
534 | return 0; | |
535 | ||
8def05fa | 536 | if (lcd_switch_handle) { |
6b7091e7 CC |
537 | status = acpi_evaluate_object(lcd_switch_handle, |
538 | NULL, NULL, NULL); | |
539 | ||
540 | if (ACPI_FAILURE(status)) | |
2fcc23da | 541 | pr_warning("Error switching LCD\n"); |
6b7091e7 CC |
542 | } |
543 | ||
935ffeec | 544 | write_status(NULL, lcd, LCD_ON); |
6b7091e7 CC |
545 | return 0; |
546 | } | |
547 | ||
548 | static void lcd_blank(int blank) | |
549 | { | |
550 | struct backlight_device *bd = asus_backlight_device; | |
551 | ||
8def05fa | 552 | if (bd) { |
599a52d1 | 553 | bd->props.power = blank; |
28ee086d | 554 | backlight_update_status(bd); |
6b7091e7 CC |
555 | } |
556 | } | |
557 | ||
558 | static int read_brightness(struct backlight_device *bd) | |
559 | { | |
27663c58 | 560 | unsigned long long value; |
9a816850 | 561 | acpi_status rv = AE_OK; |
6b7091e7 | 562 | |
9a816850 CC |
563 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
564 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 565 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
566 | |
567 | return value; | |
568 | } | |
569 | ||
570 | static int set_brightness(struct backlight_device *bd, int value) | |
571 | { | |
d8c67323 | 572 | if (write_acpi_int(brightness_set_handle, NULL, value)) { |
2fcc23da | 573 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 574 | return -EIO; |
6b7091e7 | 575 | } |
e5b50f6a | 576 | return 0; |
6b7091e7 CC |
577 | } |
578 | ||
579 | static int update_bl_status(struct backlight_device *bd) | |
580 | { | |
581 | int rv; | |
599a52d1 | 582 | int value = bd->props.brightness; |
6b7091e7 CC |
583 | |
584 | rv = set_brightness(bd, value); | |
8def05fa | 585 | if (rv) |
6b7091e7 CC |
586 | return rv; |
587 | ||
599a52d1 | 588 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
6b7091e7 CC |
589 | return set_lcd_state(value); |
590 | } | |
591 | ||
85091b71 CC |
592 | /* |
593 | * Platform device handlers | |
594 | */ | |
595 | ||
596 | /* | |
597 | * We write our info in page, we begin at offset off and cannot write more | |
598 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
599 | * number of bytes written in page | |
600 | */ | |
601 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 602 | struct device_attribute *attr, char *page) |
85091b71 CC |
603 | { |
604 | int len = 0; | |
27663c58 | 605 | unsigned long long temp; |
be966660 | 606 | char buf[16]; /* enough for all info */ |
9a816850 CC |
607 | acpi_status rv = AE_OK; |
608 | ||
85091b71 CC |
609 | /* |
610 | * We use the easy way, we don't care of off and count, so we don't set eof | |
611 | * to 1 | |
612 | */ | |
613 | ||
614 | len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); | |
615 | len += sprintf(page + len, "Model reference : %s\n", hotk->name); | |
616 | /* | |
617 | * The SFUN method probably allows the original driver to get the list | |
618 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
619 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
620 | * The significance of others is yet to be found. | |
621 | */ | |
9a816850 CC |
622 | rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp); |
623 | if (!ACPI_FAILURE(rv)) | |
1d4a3800 CC |
624 | len += sprintf(page + len, "SFUN value : %#x\n", |
625 | (uint) temp); | |
626 | /* | |
627 | * The HWRS method return informations about the hardware. | |
628 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
629 | * The significance of others is yet to be found. | |
630 | * If we don't find the method, we assume the device are present. | |
631 | */ | |
632 | rv = acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &temp); | |
633 | if (!ACPI_FAILURE(rv)) | |
634 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 635 | (uint) temp); |
85091b71 CC |
636 | /* |
637 | * Another value for userspace: the ASYM method returns 0x02 for | |
638 | * battery low and 0x04 for battery critical, its readings tend to be | |
639 | * more accurate than those provided by _BST. | |
640 | * Note: since not all the laptops provide this method, errors are | |
641 | * silently ignored. | |
642 | */ | |
9a816850 CC |
643 | rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp); |
644 | if (!ACPI_FAILURE(rv)) | |
1d4a3800 | 645 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 646 | (uint) temp); |
85091b71 CC |
647 | if (asus_info) { |
648 | snprintf(buf, 16, "%d", asus_info->length); | |
649 | len += sprintf(page + len, "DSDT length : %s\n", buf); | |
650 | snprintf(buf, 16, "%d", asus_info->checksum); | |
651 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); | |
652 | snprintf(buf, 16, "%d", asus_info->revision); | |
653 | len += sprintf(page + len, "DSDT revision : %s\n", buf); | |
654 | snprintf(buf, 7, "%s", asus_info->oem_id); | |
655 | len += sprintf(page + len, "OEM id : %s\n", buf); | |
656 | snprintf(buf, 9, "%s", asus_info->oem_table_id); | |
657 | len += sprintf(page + len, "OEM table id : %s\n", buf); | |
658 | snprintf(buf, 16, "%x", asus_info->oem_revision); | |
659 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); | |
660 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); | |
661 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); | |
662 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); | |
663 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); | |
664 | } | |
665 | ||
666 | return len; | |
667 | } | |
668 | ||
669 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
670 | { | |
671 | if (!count) | |
672 | return 0; | |
673 | if (count > 31) | |
674 | return -EINVAL; | |
675 | if (sscanf(buf, "%i", val) != 1) | |
676 | return -EINVAL; | |
677 | return count; | |
678 | } | |
679 | ||
4564de17 | 680 | static ssize_t store_status(const char *buf, size_t count, |
935ffeec | 681 | acpi_handle handle, int mask) |
4564de17 CC |
682 | { |
683 | int rv, value; | |
684 | int out = 0; | |
685 | ||
686 | rv = parse_arg(buf, count, &value); | |
687 | if (rv > 0) | |
688 | out = value ? 1 : 0; | |
689 | ||
935ffeec | 690 | write_status(handle, out, mask); |
4564de17 CC |
691 | |
692 | return rv; | |
693 | } | |
694 | ||
722ad971 CC |
695 | /* |
696 | * LEDD display | |
697 | */ | |
698 | static ssize_t show_ledd(struct device *dev, | |
699 | struct device_attribute *attr, char *buf) | |
700 | { | |
701 | return sprintf(buf, "0x%08x\n", hotk->ledd_status); | |
702 | } | |
703 | ||
704 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
705 | const char *buf, size_t count) | |
706 | { | |
707 | int rv, value; | |
708 | ||
709 | rv = parse_arg(buf, count, &value); | |
710 | if (rv > 0) { | |
d8c67323 | 711 | if (write_acpi_int(ledd_set_handle, NULL, value)) |
2fcc23da | 712 | pr_warning("LED display write failed\n"); |
722ad971 CC |
713 | else |
714 | hotk->ledd_status = (u32) value; | |
715 | } | |
716 | return rv; | |
717 | } | |
718 | ||
4564de17 CC |
719 | /* |
720 | * WLAN | |
721 | */ | |
722 | static ssize_t show_wlan(struct device *dev, | |
723 | struct device_attribute *attr, char *buf) | |
724 | { | |
725 | return sprintf(buf, "%d\n", read_status(WL_ON)); | |
726 | } | |
727 | ||
728 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
729 | const char *buf, size_t count) | |
730 | { | |
935ffeec | 731 | return store_status(buf, count, wl_switch_handle, WL_ON); |
4564de17 CC |
732 | } |
733 | ||
734 | /* | |
735 | * Bluetooth | |
736 | */ | |
737 | static ssize_t show_bluetooth(struct device *dev, | |
738 | struct device_attribute *attr, char *buf) | |
739 | { | |
740 | return sprintf(buf, "%d\n", read_status(BT_ON)); | |
741 | } | |
742 | ||
8def05fa LB |
743 | static ssize_t store_bluetooth(struct device *dev, |
744 | struct device_attribute *attr, const char *buf, | |
745 | size_t count) | |
4564de17 | 746 | { |
935ffeec | 747 | return store_status(buf, count, bt_switch_handle, BT_ON); |
4564de17 CC |
748 | } |
749 | ||
78127b4a CC |
750 | /* |
751 | * Display | |
752 | */ | |
753 | static void set_display(int value) | |
754 | { | |
755 | /* no sanity check needed for now */ | |
d8c67323 | 756 | if (write_acpi_int(display_set_handle, NULL, value)) |
2fcc23da | 757 | pr_warning("Error setting display\n"); |
78127b4a CC |
758 | return; |
759 | } | |
760 | ||
761 | static int read_display(void) | |
762 | { | |
27663c58 | 763 | unsigned long long value = 0; |
9a816850 | 764 | acpi_status rv = AE_OK; |
78127b4a | 765 | |
be966660 CC |
766 | /* |
767 | * In most of the case, we know how to set the display, but sometime | |
768 | * we can't read it | |
769 | */ | |
8def05fa | 770 | if (display_get_handle) { |
9a816850 CC |
771 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
772 | NULL, &value); | |
773 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 774 | pr_warning("Error reading display status\n"); |
78127b4a CC |
775 | } |
776 | ||
777 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
778 | ||
779 | return value; | |
780 | } | |
8def05fa | 781 | |
78127b4a CC |
782 | /* |
783 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
784 | * complained. The significance of bits is the same as in store_disp() | |
785 | */ | |
786 | static ssize_t show_disp(struct device *dev, | |
787 | struct device_attribute *attr, char *buf) | |
788 | { | |
789 | return sprintf(buf, "%d\n", read_display()); | |
790 | } | |
791 | ||
792 | /* | |
793 | * Experimental support for display switching. As of now: 1 should activate | |
794 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
795 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
796 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
797 | * for more info. | |
798 | */ | |
799 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
800 | const char *buf, size_t count) | |
801 | { | |
802 | int rv, value; | |
803 | ||
804 | rv = parse_arg(buf, count, &value); | |
805 | if (rv > 0) | |
806 | set_display(value); | |
807 | return rv; | |
808 | } | |
809 | ||
8b857353 CC |
810 | /* |
811 | * Light Sens | |
812 | */ | |
813 | static void set_light_sens_switch(int value) | |
814 | { | |
d8c67323 | 815 | if (write_acpi_int(ls_switch_handle, NULL, value)) |
2fcc23da | 816 | pr_warning("Error setting light sensor switch\n"); |
8b857353 CC |
817 | hotk->light_switch = value; |
818 | } | |
819 | ||
820 | static ssize_t show_lssw(struct device *dev, | |
821 | struct device_attribute *attr, char *buf) | |
822 | { | |
823 | return sprintf(buf, "%d\n", hotk->light_switch); | |
824 | } | |
825 | ||
826 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
827 | const char *buf, size_t count) | |
828 | { | |
829 | int rv, value; | |
830 | ||
831 | rv = parse_arg(buf, count, &value); | |
832 | if (rv > 0) | |
833 | set_light_sens_switch(value ? 1 : 0); | |
834 | ||
835 | return rv; | |
836 | } | |
837 | ||
838 | static void set_light_sens_level(int value) | |
839 | { | |
d8c67323 | 840 | if (write_acpi_int(ls_level_handle, NULL, value)) |
2fcc23da | 841 | pr_warning("Error setting light sensor level\n"); |
8b857353 CC |
842 | hotk->light_level = value; |
843 | } | |
844 | ||
845 | static ssize_t show_lslvl(struct device *dev, | |
846 | struct device_attribute *attr, char *buf) | |
847 | { | |
848 | return sprintf(buf, "%d\n", hotk->light_level); | |
849 | } | |
850 | ||
851 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
852 | const char *buf, size_t count) | |
853 | { | |
854 | int rv, value; | |
855 | ||
856 | rv = parse_arg(buf, count, &value); | |
857 | if (rv > 0) { | |
858 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
859 | /* 0 <= value <= 15 */ | |
860 | set_light_sens_level(value); | |
861 | } | |
862 | ||
863 | return rv; | |
864 | } | |
865 | ||
e539c2f6 CC |
866 | /* |
867 | * GPS | |
868 | */ | |
869 | static ssize_t show_gps(struct device *dev, | |
870 | struct device_attribute *attr, char *buf) | |
871 | { | |
872 | return sprintf(buf, "%d\n", read_status(GPS_ON)); | |
873 | } | |
874 | ||
875 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
876 | const char *buf, size_t count) | |
877 | { | |
f3985327 | 878 | return store_status(buf, count, NULL, GPS_ON); |
e539c2f6 CC |
879 | } |
880 | ||
034ce90a CC |
881 | /* |
882 | * Hotkey functions | |
883 | */ | |
884 | static struct key_entry *asus_get_entry_by_scancode(int code) | |
885 | { | |
886 | struct key_entry *key; | |
887 | ||
888 | for (key = asus_keymap; key->type != KE_END; key++) | |
889 | if (code == key->code) | |
890 | return key; | |
891 | ||
892 | return NULL; | |
893 | } | |
894 | ||
895 | static struct key_entry *asus_get_entry_by_keycode(int code) | |
896 | { | |
897 | struct key_entry *key; | |
898 | ||
899 | for (key = asus_keymap; key->type != KE_END; key++) | |
900 | if (code == key->keycode && key->type == KE_KEY) | |
901 | return key; | |
902 | ||
903 | return NULL; | |
904 | } | |
905 | ||
906 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
907 | { | |
908 | struct key_entry *key = asus_get_entry_by_scancode(scancode); | |
909 | ||
910 | if (key && key->type == KE_KEY) { | |
911 | *keycode = key->keycode; | |
912 | return 0; | |
913 | } | |
914 | ||
915 | return -EINVAL; | |
916 | } | |
917 | ||
918 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
919 | { | |
920 | struct key_entry *key; | |
921 | int old_keycode; | |
922 | ||
923 | if (keycode < 0 || keycode > KEY_MAX) | |
924 | return -EINVAL; | |
925 | ||
926 | key = asus_get_entry_by_scancode(scancode); | |
927 | if (key && key->type == KE_KEY) { | |
928 | old_keycode = key->keycode; | |
929 | key->keycode = keycode; | |
930 | set_bit(keycode, dev->keybit); | |
931 | if (!asus_get_entry_by_keycode(old_keycode)) | |
932 | clear_bit(old_keycode, dev->keybit); | |
933 | return 0; | |
934 | } | |
935 | ||
936 | return -EINVAL; | |
937 | } | |
938 | ||
586ed160 | 939 | static void asus_hotk_notify(struct acpi_device *device, u32 event) |
85091b71 | 940 | { |
034ce90a | 941 | static struct key_entry *key; |
6050c8dd | 942 | u16 count; |
034ce90a | 943 | |
85091b71 CC |
944 | /* TODO Find a better way to handle events count. */ |
945 | if (!hotk) | |
946 | return; | |
947 | ||
6b7091e7 CC |
948 | /* |
949 | * We need to tell the backlight device when the backlight power is | |
950 | * switched | |
951 | */ | |
952 | if (event == ATKD_LCD_ON) { | |
935ffeec | 953 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 954 | lcd_blank(FB_BLANK_UNBLANK); |
8def05fa | 955 | } else if (event == ATKD_LCD_OFF) { |
935ffeec | 956 | write_status(NULL, 0, LCD_ON); |
6b7091e7 CC |
957 | lcd_blank(FB_BLANK_POWERDOWN); |
958 | } | |
959 | ||
6050c8dd CC |
960 | count = hotk->event_count[event % 128]++; |
961 | acpi_bus_generate_proc_event(hotk->device, event, count); | |
2a7dc0d8 CC |
962 | acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, |
963 | dev_name(&hotk->device->dev), event, | |
6050c8dd | 964 | count); |
85091b71 | 965 | |
034ce90a CC |
966 | if (hotk->inputdev) { |
967 | key = asus_get_entry_by_scancode(event); | |
968 | if (!key) | |
969 | return ; | |
970 | ||
971 | switch (key->type) { | |
972 | case KE_KEY: | |
973 | input_report_key(hotk->inputdev, key->keycode, 1); | |
974 | input_sync(hotk->inputdev); | |
975 | input_report_key(hotk->inputdev, key->keycode, 0); | |
976 | input_sync(hotk->inputdev); | |
977 | break; | |
978 | } | |
979 | } | |
85091b71 CC |
980 | } |
981 | ||
982 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
983 | struct device_attribute dev_attr_##_name = { \ | |
984 | .attr = { \ | |
985 | .name = __stringify(_name), \ | |
7b595756 | 986 | .mode = 0 }, \ |
85091b71 CC |
987 | .show = NULL, \ |
988 | .store = NULL, \ | |
989 | } | |
990 | ||
991 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
992 | do { \ | |
993 | dev_attr_##_name.attr.mode = _mode; \ | |
994 | dev_attr_##_name.show = _show; \ | |
995 | dev_attr_##_name.store = _store; \ | |
996 | } while(0) | |
997 | ||
998 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
999 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
1000 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 1001 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 1002 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
1003 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
1004 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 1005 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
1006 | |
1007 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
1008 | &dev_attr_infos.attr, |
1009 | &dev_attr_wlan.attr, | |
1010 | &dev_attr_bluetooth.attr, | |
1011 | &dev_attr_display.attr, | |
1012 | &dev_attr_ledd.attr, | |
1013 | &dev_attr_ls_switch.attr, | |
1014 | &dev_attr_ls_level.attr, | |
e539c2f6 | 1015 | &dev_attr_gps.attr, |
8def05fa | 1016 | NULL |
85091b71 CC |
1017 | }; |
1018 | ||
1019 | static struct attribute_group asuspf_attribute_group = { | |
8def05fa | 1020 | .attrs = asuspf_attributes |
85091b71 CC |
1021 | }; |
1022 | ||
1023 | static struct platform_driver asuspf_driver = { | |
8def05fa LB |
1024 | .driver = { |
1025 | .name = ASUS_HOTK_FILE, | |
1026 | .owner = THIS_MODULE, | |
1027 | } | |
85091b71 CC |
1028 | }; |
1029 | ||
1030 | static struct platform_device *asuspf_device; | |
1031 | ||
85091b71 CC |
1032 | static void asus_hotk_add_fs(void) |
1033 | { | |
1034 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
1035 | |
1036 | if (wl_switch_handle) | |
1037 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
1038 | ||
1039 | if (bt_switch_handle) | |
1040 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
1041 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
1042 | |
1043 | if (display_set_handle && display_get_handle) | |
1044 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 1045 | else if (display_set_handle) |
78127b4a CC |
1046 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
1047 | ||
722ad971 CC |
1048 | if (ledd_set_handle) |
1049 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
1050 | ||
8b857353 CC |
1051 | if (ls_switch_handle && ls_level_handle) { |
1052 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
1053 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
1054 | } | |
e539c2f6 | 1055 | |
f3985327 | 1056 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 1057 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
1058 | } |
1059 | ||
8def05fa | 1060 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1061 | char **paths, int num_paths) |
1062 | { | |
1063 | int i; | |
1064 | acpi_status status; | |
1065 | ||
1066 | for (i = 0; i < num_paths; i++) { | |
1067 | status = acpi_get_handle(NULL, paths[i], handle); | |
1068 | if (ACPI_SUCCESS(status)) | |
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | *handle = NULL; | |
1073 | return -ENODEV; | |
1074 | } | |
1075 | ||
1076 | #define ASUS_HANDLE_INIT(object) \ | |
1077 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1078 | ARRAY_SIZE(object##_paths)) | |
1079 | ||
85091b71 CC |
1080 | /* |
1081 | * This function is used to initialize the hotk with right values. In this | |
1082 | * method, we can make all the detection we want, and modify the hotk struct | |
1083 | */ | |
1084 | static int asus_hotk_get_info(void) | |
1085 | { | |
1086 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1087 | union acpi_object *model = NULL; |
27663c58 | 1088 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1089 | char *string = NULL; |
1090 | acpi_status status; | |
1091 | ||
1092 | /* | |
1093 | * Get DSDT headers early enough to allow for differentiating between | |
1094 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1095 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1096 | * which needs special handling (i.e. its hotkey device has a different | |
1097 | * HID), this bit will be moved. A global variable asus_info contains | |
1098 | * the DSDT header. | |
1099 | */ | |
894d79be | 1100 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
85091b71 | 1101 | if (ACPI_FAILURE(status)) |
2fcc23da | 1102 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1103 | |
1104 | /* We have to write 0 on init this far for all ASUS models */ | |
d8c67323 | 1105 | if (write_acpi_int_ret(hotk->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1106 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1107 | return -ENODEV; |
1108 | } | |
1109 | ||
1110 | /* This needs to be called for some laptops to init properly */ | |
9a816850 CC |
1111 | status = |
1112 | acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result); | |
1113 | if (ACPI_FAILURE(status)) | |
2fcc23da | 1114 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1115 | else if (bsts_result) |
2fcc23da | 1116 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1117 | (uint) bsts_result); |
85091b71 | 1118 | |
185e5af9 | 1119 | /* This too ... */ |
d8c67323 | 1120 | write_acpi_int(hotk->handle, "CWAP", wapf); |
185e5af9 | 1121 | |
85091b71 CC |
1122 | /* |
1123 | * Try to match the object returned by INIT to the specific model. | |
1124 | * Handle every possible object (or the lack of thereof) the DSDT | |
1125 | * writers might throw at us. When in trouble, we pass NULL to | |
1126 | * asus_model_match() and try something completely different. | |
1127 | */ | |
1128 | if (buffer.pointer) { | |
1129 | model = buffer.pointer; | |
1130 | switch (model->type) { | |
1131 | case ACPI_TYPE_STRING: | |
1132 | string = model->string.pointer; | |
1133 | break; | |
1134 | case ACPI_TYPE_BUFFER: | |
1135 | string = model->buffer.pointer; | |
1136 | break; | |
1137 | default: | |
1138 | string = ""; | |
1139 | break; | |
1140 | } | |
1141 | } | |
1142 | hotk->name = kstrdup(string, GFP_KERNEL); | |
1143 | if (!hotk->name) | |
1144 | return -ENOMEM; | |
1145 | ||
8def05fa | 1146 | if (*string) |
2fcc23da | 1147 | pr_notice(" %s model detected\n", string); |
85091b71 | 1148 | |
be18cdab CC |
1149 | ASUS_HANDLE_INIT(mled_set); |
1150 | ASUS_HANDLE_INIT(tled_set); | |
1151 | ASUS_HANDLE_INIT(rled_set); | |
1152 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1153 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1154 | |
722ad971 CC |
1155 | ASUS_HANDLE_INIT(ledd_set); |
1156 | ||
b7d3fbc2 CC |
1157 | ASUS_HANDLE_INIT(kled_set); |
1158 | ASUS_HANDLE_INIT(kled_get); | |
1159 | ||
4564de17 CC |
1160 | /* |
1161 | * The HWRS method return informations about the hardware. | |
1162 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1163 | * The significance of others is yet to be found. | |
1164 | * If we don't find the method, we assume the device are present. | |
1165 | */ | |
9a816850 CC |
1166 | status = |
1167 | acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result); | |
1168 | if (ACPI_FAILURE(status)) | |
4564de17 CC |
1169 | hwrs_result = WL_HWRS | BT_HWRS; |
1170 | ||
8def05fa | 1171 | if (hwrs_result & WL_HWRS) |
4564de17 | 1172 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1173 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1174 | ASUS_HANDLE_INIT(bt_switch); |
1175 | ||
1176 | ASUS_HANDLE_INIT(wireless_status); | |
1177 | ||
6b7091e7 CC |
1178 | ASUS_HANDLE_INIT(brightness_set); |
1179 | ASUS_HANDLE_INIT(brightness_get); | |
1180 | ||
1181 | ASUS_HANDLE_INIT(lcd_switch); | |
1182 | ||
78127b4a CC |
1183 | ASUS_HANDLE_INIT(display_set); |
1184 | ASUS_HANDLE_INIT(display_get); | |
1185 | ||
be966660 CC |
1186 | /* |
1187 | * There is a lot of models with "ALSL", but a few get | |
1188 | * a real light sens, so we need to check it. | |
1189 | */ | |
832d9950 | 1190 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1191 | ASUS_HANDLE_INIT(ls_level); |
1192 | ||
e539c2f6 CC |
1193 | ASUS_HANDLE_INIT(gps_on); |
1194 | ASUS_HANDLE_INIT(gps_off); | |
1195 | ASUS_HANDLE_INIT(gps_status); | |
1196 | ||
85091b71 CC |
1197 | kfree(model); |
1198 | ||
1199 | return AE_OK; | |
1200 | } | |
1201 | ||
034ce90a CC |
1202 | static int asus_input_init(void) |
1203 | { | |
1204 | const struct key_entry *key; | |
1205 | int result; | |
1206 | ||
1207 | hotk->inputdev = input_allocate_device(); | |
1208 | if (!hotk->inputdev) { | |
2fcc23da | 1209 | pr_info("Unable to allocate input device\n"); |
034ce90a CC |
1210 | return 0; |
1211 | } | |
1212 | hotk->inputdev->name = "Asus Laptop extra buttons"; | |
1213 | hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; | |
1214 | hotk->inputdev->id.bustype = BUS_HOST; | |
1215 | hotk->inputdev->getkeycode = asus_getkeycode; | |
1216 | hotk->inputdev->setkeycode = asus_setkeycode; | |
1217 | ||
1218 | for (key = asus_keymap; key->type != KE_END; key++) { | |
1219 | switch (key->type) { | |
1220 | case KE_KEY: | |
1221 | set_bit(EV_KEY, hotk->inputdev->evbit); | |
1222 | set_bit(key->keycode, hotk->inputdev->keybit); | |
1223 | break; | |
1224 | } | |
1225 | } | |
1226 | result = input_register_device(hotk->inputdev); | |
1227 | if (result) { | |
2fcc23da | 1228 | pr_info("Unable to register input device\n"); |
034ce90a CC |
1229 | input_free_device(hotk->inputdev); |
1230 | } | |
1231 | return result; | |
1232 | } | |
1233 | ||
85091b71 CC |
1234 | static int asus_hotk_check(void) |
1235 | { | |
1236 | int result = 0; | |
1237 | ||
1238 | result = acpi_bus_get_status(hotk->device); | |
1239 | if (result) | |
1240 | return result; | |
1241 | ||
1242 | if (hotk->device->status.present) { | |
1243 | result = asus_hotk_get_info(); | |
1244 | } else { | |
2fcc23da | 1245 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1246 | return -EINVAL; |
1247 | } | |
1248 | ||
1249 | return result; | |
1250 | } | |
1251 | ||
1252 | static int asus_hotk_found; | |
1253 | ||
1254 | static int asus_hotk_add(struct acpi_device *device) | |
1255 | { | |
85091b71 CC |
1256 | int result; |
1257 | ||
2fcc23da | 1258 | pr_notice("Asus Laptop Support version %s\n", |
85091b71 CC |
1259 | ASUS_LAPTOP_VERSION); |
1260 | ||
dd00cc48 | 1261 | hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); |
85091b71 CC |
1262 | if (!hotk) |
1263 | return -ENOMEM; | |
85091b71 CC |
1264 | |
1265 | hotk->handle = device->handle; | |
1266 | strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); | |
1267 | strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); | |
db89b4f0 | 1268 | device->driver_data = hotk; |
85091b71 CC |
1269 | hotk->device = device; |
1270 | ||
1271 | result = asus_hotk_check(); | |
1272 | if (result) | |
1273 | goto end; | |
1274 | ||
1275 | asus_hotk_add_fs(); | |
1276 | ||
85091b71 CC |
1277 | asus_hotk_found = 1; |
1278 | ||
6b7091e7 | 1279 | /* WLED and BLED are on by default */ |
0e875f49 CC |
1280 | if (bluetooth_status != -1) |
1281 | write_status(bt_switch_handle, !!bluetooth_status, BT_ON); | |
1282 | if (wireless_status != -1) | |
1283 | write_status(wl_switch_handle, !!wireless_status, WL_ON); | |
935ffeec CC |
1284 | |
1285 | /* If the h/w switch is off, we need to check the real status */ | |
1286 | write_status(NULL, read_status(BT_ON), BT_ON); | |
1287 | write_status(NULL, read_status(WL_ON), WL_ON); | |
4564de17 | 1288 | |
6b7091e7 | 1289 | /* LCD Backlight is on by default */ |
935ffeec | 1290 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 1291 | |
b7d3fbc2 CC |
1292 | /* Keyboard Backlight is on by default */ |
1293 | if (kled_set_handle) | |
1294 | set_kled_lvl(1); | |
1295 | ||
722ad971 CC |
1296 | /* LED display is off by default */ |
1297 | hotk->ledd_status = 0xFFF; | |
1298 | ||
8def05fa | 1299 | /* Set initial values of light sensor and level */ |
d951d4cc CC |
1300 | hotk->light_switch = 0; /* Default to light sensor disabled */ |
1301 | hotk->light_level = 5; /* level 5 for sensor sensitivity */ | |
8b857353 | 1302 | |
8def05fa LB |
1303 | if (ls_switch_handle) |
1304 | set_light_sens_switch(hotk->light_switch); | |
8b857353 | 1305 | |
8def05fa LB |
1306 | if (ls_level_handle) |
1307 | set_light_sens_level(hotk->light_level); | |
8b857353 | 1308 | |
e539c2f6 CC |
1309 | /* GPS is on by default */ |
1310 | write_status(NULL, 1, GPS_ON); | |
1311 | ||
ed6f4421 | 1312 | end: |
85091b71 CC |
1313 | if (result) { |
1314 | kfree(hotk->name); | |
1315 | kfree(hotk); | |
1316 | } | |
1317 | ||
1318 | return result; | |
1319 | } | |
1320 | ||
1321 | static int asus_hotk_remove(struct acpi_device *device, int type) | |
1322 | { | |
85091b71 CC |
1323 | kfree(hotk->name); |
1324 | kfree(hotk); | |
1325 | ||
1326 | return 0; | |
1327 | } | |
1328 | ||
6b7091e7 CC |
1329 | static void asus_backlight_exit(void) |
1330 | { | |
8def05fa | 1331 | if (asus_backlight_device) |
6b7091e7 CC |
1332 | backlight_device_unregister(asus_backlight_device); |
1333 | } | |
1334 | ||
be18cdab | 1335 | #define ASUS_LED_UNREGISTER(object) \ |
e1996a69 GC |
1336 | if (object##_led.dev) \ |
1337 | led_classdev_unregister(&object##_led) | |
be18cdab CC |
1338 | |
1339 | static void asus_led_exit(void) | |
1340 | { | |
3b0d7117 | 1341 | destroy_workqueue(led_workqueue); |
be18cdab CC |
1342 | ASUS_LED_UNREGISTER(mled); |
1343 | ASUS_LED_UNREGISTER(tled); | |
1344 | ASUS_LED_UNREGISTER(pled); | |
1345 | ASUS_LED_UNREGISTER(rled); | |
fdd8d080 | 1346 | ASUS_LED_UNREGISTER(gled); |
b7d3fbc2 | 1347 | ASUS_LED_UNREGISTER(kled); |
be18cdab CC |
1348 | } |
1349 | ||
034ce90a CC |
1350 | static void asus_input_exit(void) |
1351 | { | |
1352 | if (hotk->inputdev) | |
1353 | input_unregister_device(hotk->inputdev); | |
1354 | } | |
1355 | ||
85091b71 CC |
1356 | static void __exit asus_laptop_exit(void) |
1357 | { | |
6b7091e7 | 1358 | asus_backlight_exit(); |
be18cdab | 1359 | asus_led_exit(); |
034ce90a | 1360 | asus_input_exit(); |
be18cdab | 1361 | |
85091b71 | 1362 | acpi_bus_unregister_driver(&asus_hotk_driver); |
8def05fa LB |
1363 | sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); |
1364 | platform_device_unregister(asuspf_device); | |
1365 | platform_driver_unregister(&asuspf_driver); | |
85091b71 CC |
1366 | } |
1367 | ||
8def05fa | 1368 | static int asus_backlight_init(struct device *dev) |
6b7091e7 CC |
1369 | { |
1370 | struct backlight_device *bd; | |
1371 | ||
8def05fa LB |
1372 | if (brightness_set_handle && lcd_switch_handle) { |
1373 | bd = backlight_device_register(ASUS_HOTK_FILE, dev, | |
599a52d1 | 1374 | NULL, &asusbl_ops); |
8def05fa | 1375 | if (IS_ERR(bd)) { |
2fcc23da | 1376 | pr_err("Could not register asus backlight device\n"); |
6b7091e7 CC |
1377 | asus_backlight_device = NULL; |
1378 | return PTR_ERR(bd); | |
1379 | } | |
1380 | ||
1381 | asus_backlight_device = bd; | |
1382 | ||
599a52d1 RP |
1383 | bd->props.max_brightness = 15; |
1384 | bd->props.brightness = read_brightness(NULL); | |
1385 | bd->props.power = FB_BLANK_UNBLANK; | |
28ee086d | 1386 | backlight_update_status(bd); |
6b7091e7 CC |
1387 | } |
1388 | return 0; | |
1389 | } | |
1390 | ||
be18cdab | 1391 | static int asus_led_register(acpi_handle handle, |
8def05fa | 1392 | struct led_classdev *ldev, struct device *dev) |
be18cdab | 1393 | { |
8def05fa | 1394 | if (!handle) |
be18cdab CC |
1395 | return 0; |
1396 | ||
1397 | return led_classdev_register(dev, ldev); | |
1398 | } | |
8def05fa | 1399 | |
be18cdab CC |
1400 | #define ASUS_LED_REGISTER(object, device) \ |
1401 | asus_led_register(object##_set_handle, &object##_led, device) | |
1402 | ||
8def05fa | 1403 | static int asus_led_init(struct device *dev) |
be18cdab CC |
1404 | { |
1405 | int rv; | |
1406 | ||
1407 | rv = ASUS_LED_REGISTER(mled, dev); | |
8def05fa | 1408 | if (rv) |
3b0d7117 | 1409 | goto out; |
be18cdab CC |
1410 | |
1411 | rv = ASUS_LED_REGISTER(tled, dev); | |
8def05fa | 1412 | if (rv) |
3b0d7117 | 1413 | goto out1; |
be18cdab CC |
1414 | |
1415 | rv = ASUS_LED_REGISTER(rled, dev); | |
8def05fa | 1416 | if (rv) |
3b0d7117 | 1417 | goto out2; |
be18cdab CC |
1418 | |
1419 | rv = ASUS_LED_REGISTER(pled, dev); | |
8def05fa | 1420 | if (rv) |
3b0d7117 | 1421 | goto out3; |
be18cdab | 1422 | |
fdd8d080 CC |
1423 | rv = ASUS_LED_REGISTER(gled, dev); |
1424 | if (rv) | |
3b0d7117 | 1425 | goto out4; |
fdd8d080 | 1426 | |
b7d3fbc2 CC |
1427 | if (kled_set_handle && kled_get_handle) |
1428 | rv = ASUS_LED_REGISTER(kled, dev); | |
1429 | if (rv) | |
1430 | goto out5; | |
1431 | ||
be18cdab | 1432 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
8def05fa | 1433 | if (!led_workqueue) |
b7d3fbc2 | 1434 | goto out6; |
be18cdab CC |
1435 | |
1436 | return 0; | |
b7d3fbc2 | 1437 | out6: |
3b0d7117 | 1438 | rv = -ENOMEM; |
b7d3fbc2 CC |
1439 | ASUS_LED_UNREGISTER(kled); |
1440 | out5: | |
3b0d7117 AV |
1441 | ASUS_LED_UNREGISTER(gled); |
1442 | out4: | |
1443 | ASUS_LED_UNREGISTER(pled); | |
1444 | out3: | |
1445 | ASUS_LED_UNREGISTER(rled); | |
1446 | out2: | |
1447 | ASUS_LED_UNREGISTER(tled); | |
1448 | out1: | |
1449 | ASUS_LED_UNREGISTER(mled); | |
1450 | out: | |
1451 | return rv; | |
be18cdab CC |
1452 | } |
1453 | ||
85091b71 CC |
1454 | static int __init asus_laptop_init(void) |
1455 | { | |
1456 | int result; | |
1457 | ||
85091b71 CC |
1458 | result = acpi_bus_register_driver(&asus_hotk_driver); |
1459 | if (result < 0) | |
1460 | return result; | |
1461 | ||
1462 | /* | |
1463 | * This is a bit of a kludge. We only want this module loaded | |
1464 | * for ASUS systems, but there's currently no way to probe the | |
1465 | * ACPI namespace for ASUS HIDs. So we just return failure if | |
1466 | * we didn't find one, which will cause the module to be | |
1467 | * unloaded. | |
1468 | */ | |
1469 | if (!asus_hotk_found) { | |
1470 | acpi_bus_unregister_driver(&asus_hotk_driver); | |
1471 | return -ENODEV; | |
1472 | } | |
1473 | ||
034ce90a CC |
1474 | result = asus_input_init(); |
1475 | if (result) | |
1476 | goto fail_input; | |
1477 | ||
8def05fa | 1478 | /* Register platform stuff */ |
85091b71 | 1479 | result = platform_driver_register(&asuspf_driver); |
8def05fa LB |
1480 | if (result) |
1481 | goto fail_platform_driver; | |
85091b71 | 1482 | |
8def05fa LB |
1483 | asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); |
1484 | if (!asuspf_device) { | |
1485 | result = -ENOMEM; | |
1486 | goto fail_platform_device1; | |
1487 | } | |
85091b71 | 1488 | |
8def05fa LB |
1489 | result = platform_device_add(asuspf_device); |
1490 | if (result) | |
1491 | goto fail_platform_device2; | |
85091b71 | 1492 | |
8def05fa | 1493 | result = sysfs_create_group(&asuspf_device->dev.kobj, |
85091b71 | 1494 | &asuspf_attribute_group); |
8def05fa LB |
1495 | if (result) |
1496 | goto fail_sysfs; | |
85091b71 | 1497 | |
116bf2e0 CC |
1498 | result = asus_led_init(&asuspf_device->dev); |
1499 | if (result) | |
1500 | goto fail_led; | |
1501 | ||
1502 | if (!acpi_video_backlight_support()) { | |
1503 | result = asus_backlight_init(&asuspf_device->dev); | |
1504 | if (result) | |
1505 | goto fail_backlight; | |
1506 | } else | |
2fcc23da | 1507 | pr_info("Brightness ignored, must be controlled by " |
116bf2e0 CC |
1508 | "ACPI video driver\n"); |
1509 | ||
8def05fa | 1510 | return 0; |
85091b71 | 1511 | |
116bf2e0 CC |
1512 | fail_backlight: |
1513 | asus_led_exit(); | |
1514 | ||
1515 | fail_led: | |
1516 | sysfs_remove_group(&asuspf_device->dev.kobj, | |
1517 | &asuspf_attribute_group); | |
1518 | ||
ed6f4421 | 1519 | fail_sysfs: |
8def05fa | 1520 | platform_device_del(asuspf_device); |
85091b71 | 1521 | |
ed6f4421 | 1522 | fail_platform_device2: |
85091b71 CC |
1523 | platform_device_put(asuspf_device); |
1524 | ||
ed6f4421 | 1525 | fail_platform_device1: |
8def05fa | 1526 | platform_driver_unregister(&asuspf_driver); |
85091b71 | 1527 | |
ed6f4421 | 1528 | fail_platform_driver: |
034ce90a CC |
1529 | asus_input_exit(); |
1530 | ||
ed6f4421 | 1531 | fail_input: |
85091b71 CC |
1532 | |
1533 | return result; | |
1534 | } | |
1535 | ||
1536 | module_init(asus_laptop_init); | |
1537 | module_exit(asus_laptop_exit); |