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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 | |
50a90c4d CC |
55 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
56 | #define ASUS_LAPTOP_CLASS "hotkey" | |
57 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
58 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
59 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 60 | |
85091b71 | 61 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 62 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
63 | MODULE_LICENSE("GPL"); |
64 | ||
be966660 CC |
65 | /* |
66 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
67 | * The significance of values is yet to be found, but |
68 | * most of the time: | |
69 | * 0x0 will do nothing | |
70 | * 0x1 will allow to control the device with Fn+Fx key. | |
71 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
72 | * 0x5 like 0x1 or 0x4 | |
73 | * So, if something doesn't work as you want, just try other values =) | |
74 | */ | |
75 | static uint wapf = 1; | |
76 | module_param(wapf, uint, 0644); | |
77 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
78 | ||
0e875f49 CC |
79 | static uint wireless_status = 1; |
80 | static uint bluetooth_status = 1; | |
81 | ||
82 | module_param(wireless_status, uint, 0644); | |
83 | MODULE_PARM_DESC(wireless_status, "Set the wireless status on boot " | |
84 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
85 | "default is 1"); | |
86 | ||
87 | module_param(bluetooth_status, uint, 0644); | |
88 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
89 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
90 | "default is 1"); | |
91 | ||
be4ee82d CC |
92 | /* |
93 | * Some events we use, same for all Asus | |
94 | */ | |
95 | #define ATKD_BR_UP 0x10 | |
96 | #define ATKD_BR_DOWN 0x20 | |
97 | #define ATKD_LCD_ON 0x33 | |
98 | #define ATKD_LCD_OFF 0x34 | |
99 | ||
100 | /* | |
101 | * Known bits returned by \_SB.ATKD.HWRS | |
102 | */ | |
103 | #define WL_HWRS 0x80 | |
104 | #define BT_HWRS 0x100 | |
105 | ||
106 | /* | |
107 | * Flags for hotk status | |
108 | * WL_ON and BT_ON are also used for wireless_status() | |
109 | */ | |
110 | #define WL_ON 0x01 /* internal Wifi */ | |
111 | #define BT_ON 0x02 /* internal Bluetooth */ | |
112 | #define MLED_ON 0x04 /* mail LED */ | |
113 | #define TLED_ON 0x08 /* touchpad LED */ | |
114 | #define RLED_ON 0x10 /* Record LED */ | |
115 | #define PLED_ON 0x20 /* Phone LED */ | |
116 | #define GLED_ON 0x40 /* Gaming LED */ | |
117 | #define LCD_ON 0x80 /* LCD backlight */ | |
118 | #define GPS_ON 0x100 /* GPS */ | |
119 | #define KEY_ON 0x200 /* Keyboard backlight */ | |
120 | ||
85091b71 CC |
121 | #define ASUS_HANDLE(object, paths...) \ |
122 | static acpi_handle object##_handle = NULL; \ | |
123 | static char *object##_paths[] = { paths } | |
124 | ||
be18cdab | 125 | /* LED */ |
50a90c4d CC |
126 | ASUS_HANDLE(mled_set, ASUS_LAPTOP_PREFIX "MLED"); |
127 | ASUS_HANDLE(tled_set, ASUS_LAPTOP_PREFIX "TLED"); | |
128 | ASUS_HANDLE(rled_set, ASUS_LAPTOP_PREFIX "RLED"); /* W1JC */ | |
129 | ASUS_HANDLE(pled_set, ASUS_LAPTOP_PREFIX "PLED"); /* A7J */ | |
130 | ASUS_HANDLE(gled_set, ASUS_LAPTOP_PREFIX "GLED"); /* G1, G2 (probably) */ | |
be18cdab | 131 | |
722ad971 | 132 | /* LEDD */ |
50a90c4d | 133 | ASUS_HANDLE(ledd_set, ASUS_LAPTOP_PREFIX "SLCM"); |
722ad971 | 134 | |
be966660 CC |
135 | /* |
136 | * Bluetooth and WLAN | |
4564de17 CC |
137 | * WLED and BLED are not handled like other XLED, because in some dsdt |
138 | * they also control the WLAN/Bluetooth device. | |
139 | */ | |
50a90c4d CC |
140 | ASUS_HANDLE(wl_switch, ASUS_LAPTOP_PREFIX "WLED"); |
141 | ASUS_HANDLE(bt_switch, ASUS_LAPTOP_PREFIX "BLED"); | |
142 | ASUS_HANDLE(wireless_status, ASUS_LAPTOP_PREFIX "RSTS"); /* All new models */ | |
4564de17 | 143 | |
6b7091e7 | 144 | /* Brightness */ |
50a90c4d CC |
145 | ASUS_HANDLE(brightness_set, ASUS_LAPTOP_PREFIX "SPLV"); |
146 | ASUS_HANDLE(brightness_get, ASUS_LAPTOP_PREFIX "GPLV"); | |
6b7091e7 CC |
147 | |
148 | /* Backlight */ | |
8def05fa LB |
149 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
150 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
151 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
152 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
153 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 154 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
155 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
156 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 157 | |
78127b4a | 158 | /* Display */ |
50a90c4d | 159 | ASUS_HANDLE(display_set, ASUS_LAPTOP_PREFIX "SDSP"); |
be966660 CC |
160 | ASUS_HANDLE(display_get, |
161 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
162 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
163 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
164 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
165 | /* A6V A6Q */ | |
166 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
167 | /* A6T, A6M */ | |
168 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
169 | /* L3C */ | |
170 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
171 | /* Z96F */ | |
172 | "\\_SB.PCI0.VGA.GETD", | |
173 | /* A2D */ | |
174 | "\\ACTD", | |
175 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
176 | "\\ADVG", | |
177 | /* P30 */ | |
178 | "\\DNXT", | |
179 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
180 | "\\INFB", | |
181 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
182 | "\\SSTE"); | |
183 | ||
50a90c4d CC |
184 | ASUS_HANDLE(ls_switch, ASUS_LAPTOP_PREFIX "ALSC"); /* Z71A Z71V */ |
185 | ASUS_HANDLE(ls_level, ASUS_LAPTOP_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 186 | |
e539c2f6 CC |
187 | /* GPS */ |
188 | /* R2H use different handle for GPS on/off */ | |
50a90c4d CC |
189 | ASUS_HANDLE(gps_on, ASUS_LAPTOP_PREFIX "SDON"); /* R2H */ |
190 | ASUS_HANDLE(gps_off, ASUS_LAPTOP_PREFIX "SDOF"); /* R2H */ | |
191 | ASUS_HANDLE(gps_status, ASUS_LAPTOP_PREFIX "GPST"); | |
e539c2f6 | 192 | |
b7d3fbc2 | 193 | /* Keyboard light */ |
50a90c4d CC |
194 | ASUS_HANDLE(kled_set, ASUS_LAPTOP_PREFIX "SLKB"); |
195 | ASUS_HANDLE(kled_get, ASUS_LAPTOP_PREFIX "GLKB"); | |
b7d3fbc2 | 196 | |
9129d14d CC |
197 | /* |
198 | * Define a specific led structure to keep the main structure clean | |
199 | */ | |
200 | #define ASUS_DEFINE_LED(object) \ | |
201 | int object##_wk; \ | |
202 | struct work_struct object##_work; \ | |
203 | struct led_classdev object; | |
204 | ||
205 | ||
206 | #define led_to_asus(led_cdev, led) \ | |
207 | container_of(container_of(led_cdev, struct asus_laptop_leds, \ | |
208 | led), \ | |
209 | struct asus_laptop, leds) | |
210 | #define work_to_asus(work, led) \ | |
211 | container_of(container_of(work, struct asus_laptop_leds, \ | |
212 | led##_work), \ | |
213 | struct asus_laptop, leds) | |
214 | ||
215 | struct asus_laptop_leds { | |
216 | ASUS_DEFINE_LED(mled) | |
217 | ASUS_DEFINE_LED(tled) | |
218 | ASUS_DEFINE_LED(rled) | |
219 | ASUS_DEFINE_LED(pled) | |
220 | ASUS_DEFINE_LED(gled) | |
221 | ASUS_DEFINE_LED(kled) | |
222 | struct workqueue_struct *workqueue; | |
223 | }; | |
224 | ||
85091b71 CC |
225 | /* |
226 | * This is the main structure, we can use it to store anything interesting | |
227 | * about the hotk device | |
228 | */ | |
50a90c4d | 229 | struct asus_laptop { |
be966660 | 230 | char *name; /* laptop name */ |
600ad520 | 231 | |
7c247645 | 232 | struct acpi_table_header *dsdt_info; |
600ad520 | 233 | struct platform_device *platform_device; |
7c247645 CC |
234 | struct acpi_device *device; /* the device we are in */ |
235 | struct backlight_device *backlight_device; | |
9129d14d | 236 | |
7c247645 | 237 | struct input_dev *inputdev; |
9129d14d CC |
238 | struct key_entry *keymap; |
239 | ||
240 | struct asus_laptop_leds leds; | |
7c247645 | 241 | |
aa9df930 CC |
242 | int wireless_status; |
243 | bool have_rsts; | |
3e68ae7c | 244 | int lcd_state; |
aa9df930 | 245 | |
be966660 CC |
246 | acpi_handle handle; /* the handle of the hotk device */ |
247 | char status; /* status of the hotk, for LEDs, ... */ | |
248 | u32 ledd_status; /* status of the LED display */ | |
249 | u8 light_level; /* light sensor level */ | |
250 | u8 light_switch; /* light sensor switch value */ | |
251 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a | 252 | u16 *keycode_map; |
85091b71 CC |
253 | }; |
254 | ||
034ce90a CC |
255 | struct key_entry { |
256 | char type; | |
257 | u8 code; | |
258 | u16 keycode; | |
259 | }; | |
260 | ||
261 | enum { KE_KEY, KE_END }; | |
262 | ||
9129d14d | 263 | static const struct key_entry asus_keymap[] = { |
14f8af31 IP |
264 | {KE_KEY, 0x02, KEY_SCREENLOCK}, |
265 | {KE_KEY, 0x05, KEY_WLAN}, | |
266 | {KE_KEY, 0x08, KEY_F13}, | |
267 | {KE_KEY, 0x17, KEY_ZOOM}, | |
268 | {KE_KEY, 0x1f, KEY_BATTERY}, | |
034ce90a CC |
269 | {KE_KEY, 0x30, KEY_VOLUMEUP}, |
270 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
271 | {KE_KEY, 0x32, KEY_MUTE}, | |
272 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
273 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
274 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
275 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 276 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a | 277 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
4644d0e5 | 278 | {KE_KEY, 0x4c, KEY_MEDIA}, |
034ce90a CC |
279 | {KE_KEY, 0x50, KEY_EMAIL}, |
280 | {KE_KEY, 0x51, KEY_WWW}, | |
0aa20f7d | 281 | {KE_KEY, 0x55, KEY_CALC}, |
309f5fbd | 282 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a | 283 | {KE_KEY, 0x5D, KEY_WLAN}, |
f641375b CC |
284 | {KE_KEY, 0x5E, KEY_WLAN}, |
285 | {KE_KEY, 0x5F, KEY_WLAN}, | |
286 | {KE_KEY, 0x60, KEY_SWITCHVIDEOMODE}, | |
034ce90a | 287 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, |
14f8af31 IP |
288 | {KE_KEY, 0x62, KEY_SWITCHVIDEOMODE}, |
289 | {KE_KEY, 0x63, KEY_SWITCHVIDEOMODE}, | |
16851f92 | 290 | {KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */ |
034ce90a | 291 | {KE_KEY, 0x82, KEY_CAMERA}, |
1f0233ee | 292 | {KE_KEY, 0x88, KEY_WLAN }, |
309f5fbd | 293 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
294 | {KE_KEY, 0x95, KEY_MEDIA}, |
295 | {KE_KEY, 0x99, KEY_PHONE}, | |
dc795260 CC |
296 | {KE_KEY, 0xc4, KEY_KBDILLUMUP}, |
297 | {KE_KEY, 0xc5, KEY_KBDILLUMDOWN}, | |
034ce90a CC |
298 | {KE_END, 0}, |
299 | }; | |
300 | ||
85091b71 CC |
301 | /* |
302 | * This function evaluates an ACPI method, given an int as parameter, the | |
303 | * method is searched within the scope of the handle, can be NULL. The output | |
304 | * of the method is written is output, which can also be NULL | |
305 | * | |
f8d1c94b | 306 | * returns 0 if write is successful, -1 else. |
85091b71 | 307 | */ |
d8c67323 CC |
308 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
309 | struct acpi_buffer *output) | |
85091b71 | 310 | { |
be966660 CC |
311 | struct acpi_object_list params; /* list of input parameters (an int) */ |
312 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
313 | acpi_status status; |
314 | ||
f8d1c94b CC |
315 | if (!handle) |
316 | return 0; | |
317 | ||
85091b71 CC |
318 | params.count = 1; |
319 | params.pointer = &in_obj; | |
320 | in_obj.type = ACPI_TYPE_INTEGER; | |
321 | in_obj.integer.value = val; | |
322 | ||
323 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
324 | if (status == AE_OK) |
325 | return 0; | |
326 | else | |
327 | return -1; | |
85091b71 CC |
328 | } |
329 | ||
d8c67323 CC |
330 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
331 | { | |
332 | return write_acpi_int_ret(handle, method, val, NULL); | |
333 | } | |
334 | ||
be18cdab | 335 | /* Generic LED functions */ |
9129d14d | 336 | static int read_status(struct asus_laptop *asus, int mask) |
be18cdab | 337 | { |
50a90c4d | 338 | return (asus->status & mask) ? 1 : 0; |
be18cdab CC |
339 | } |
340 | ||
9129d14d CC |
341 | static void write_status(struct asus_laptop *asus, acpi_handle handle, |
342 | int out, int mask) | |
be18cdab | 343 | { |
50a90c4d | 344 | asus->status = (out) ? (asus->status | mask) : (asus->status & ~mask); |
be18cdab | 345 | |
935ffeec CC |
346 | switch (mask) { |
347 | case MLED_ON: | |
e1af14e4 | 348 | out = !(out & 0x1); |
935ffeec | 349 | break; |
fdd8d080 CC |
350 | case GLED_ON: |
351 | out = (out & 0x1) + 1; | |
352 | break; | |
e539c2f6 CC |
353 | case GPS_ON: |
354 | handle = (out) ? gps_on_handle : gps_off_handle; | |
355 | out = 0x02; | |
356 | break; | |
935ffeec CC |
357 | default: |
358 | out &= 0x1; | |
359 | break; | |
360 | } | |
be18cdab | 361 | |
d8c67323 | 362 | if (write_acpi_int(handle, NULL, out)) |
2fcc23da | 363 | pr_warning(" write failed %x\n", mask); |
be18cdab CC |
364 | } |
365 | ||
be4ee82d CC |
366 | /* |
367 | * LEDs | |
368 | */ | |
369 | #define ASUS_LED(object, ledname, max) \ | |
370 | static void object##_led_set(struct led_classdev *led_cdev, \ | |
371 | enum led_brightness value); \ | |
372 | static enum led_brightness object##_led_get( \ | |
373 | struct led_classdev *led_cdev); \ | |
374 | static void object##_led_update(struct work_struct *ignored); \ | |
375 | static struct led_classdev object##_led = { \ | |
376 | .name = "asus::" ledname, \ | |
377 | .brightness_set = object##_led_set, \ | |
378 | .brightness_get = object##_led_get, \ | |
379 | .max_brightness = max \ | |
380 | } | |
381 | ||
382 | ASUS_LED(mled, "mail", 1); | |
383 | ASUS_LED(tled, "touchpad", 1); | |
384 | ASUS_LED(rled, "record", 1); | |
385 | ASUS_LED(pled, "phone", 1); | |
386 | ASUS_LED(gled, "gaming", 1); | |
387 | ASUS_LED(kled, "kbd_backlight", 3); | |
388 | ||
be18cdab | 389 | /* /sys/class/led handlers */ |
935ffeec | 390 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
391 | static void object##_led_set(struct led_classdev *led_cdev, \ |
392 | enum led_brightness value) \ | |
393 | { \ | |
9129d14d CC |
394 | struct asus_laptop *asus = \ |
395 | led_to_asus(led_cdev, object); \ | |
396 | \ | |
397 | asus->leds.object##_wk = (value > 0) ? 1 : 0; \ | |
398 | queue_work(asus->leds.workqueue, \ | |
399 | &asus->leds.object##_work); \ | |
be18cdab | 400 | } \ |
9129d14d | 401 | static void object##_led_update(struct work_struct *work) \ |
be18cdab | 402 | { \ |
9129d14d CC |
403 | struct asus_laptop *asus = work_to_asus(work, object); \ |
404 | \ | |
405 | int value = asus->leds.object##_wk; \ | |
406 | write_status(asus, object##_set_handle, value, (mask)); \ | |
abfa57e1 CC |
407 | } \ |
408 | static enum led_brightness object##_led_get( \ | |
409 | struct led_classdev *led_cdev) \ | |
410 | { \ | |
411 | return led_cdev->brightness; \ | |
be18cdab CC |
412 | } |
413 | ||
935ffeec CC |
414 | ASUS_LED_HANDLER(mled, MLED_ON); |
415 | ASUS_LED_HANDLER(pled, PLED_ON); | |
416 | ASUS_LED_HANDLER(rled, RLED_ON); | |
417 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 418 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 419 | |
b7d3fbc2 | 420 | /* |
be4ee82d | 421 | * Keyboard backlight (also a LED) |
b7d3fbc2 CC |
422 | */ |
423 | static int get_kled_lvl(void) | |
424 | { | |
425 | unsigned long long kblv; | |
426 | struct acpi_object_list params; | |
427 | union acpi_object in_obj; | |
428 | acpi_status rv; | |
429 | ||
430 | params.count = 1; | |
431 | params.pointer = &in_obj; | |
432 | in_obj.type = ACPI_TYPE_INTEGER; | |
433 | in_obj.integer.value = 2; | |
434 | ||
435 | rv = acpi_evaluate_integer(kled_get_handle, NULL, ¶ms, &kblv); | |
436 | if (ACPI_FAILURE(rv)) { | |
437 | pr_warning("Error reading kled level\n"); | |
438 | return 0; | |
439 | } | |
440 | return kblv; | |
441 | } | |
442 | ||
9129d14d | 443 | static int set_kled_lvl(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
444 | { |
445 | if (kblv > 0) | |
446 | kblv = (1 << 7) | (kblv & 0x7F); | |
447 | else | |
448 | kblv = 0; | |
449 | ||
d8c67323 | 450 | if (write_acpi_int(kled_set_handle, NULL, kblv)) { |
b7d3fbc2 CC |
451 | pr_warning("Keyboard LED display write failed\n"); |
452 | return -EINVAL; | |
453 | } | |
454 | return 0; | |
455 | } | |
456 | ||
457 | static void kled_led_set(struct led_classdev *led_cdev, | |
458 | enum led_brightness value) | |
459 | { | |
9129d14d CC |
460 | struct asus_laptop *asus = led_to_asus(led_cdev, kled); |
461 | ||
462 | asus->leds.kled_wk = value; | |
463 | queue_work(asus->leds.workqueue, &asus->leds.kled_work); | |
b7d3fbc2 CC |
464 | } |
465 | ||
9129d14d | 466 | static void kled_led_update(struct work_struct *work) |
b7d3fbc2 | 467 | { |
9129d14d CC |
468 | struct asus_laptop *asus = work_to_asus(work, kled); |
469 | ||
470 | set_kled_lvl(asus, asus->leds.kled_wk); | |
b7d3fbc2 CC |
471 | } |
472 | ||
473 | static enum led_brightness kled_led_get(struct led_classdev *led_cdev) | |
474 | { | |
475 | return get_kled_lvl(); | |
476 | } | |
477 | ||
be4ee82d CC |
478 | #define ASUS_LED_UNREGISTER(object) \ |
479 | if (object##_led.dev) \ | |
480 | led_classdev_unregister(&object##_led) | |
481 | ||
482 | static void asus_led_exit(struct asus_laptop *asus) | |
483 | { | |
484 | ASUS_LED_UNREGISTER(mled); | |
485 | ASUS_LED_UNREGISTER(tled); | |
486 | ASUS_LED_UNREGISTER(pled); | |
487 | ASUS_LED_UNREGISTER(rled); | |
488 | ASUS_LED_UNREGISTER(gled); | |
489 | ASUS_LED_UNREGISTER(kled); | |
490 | if (asus->leds.workqueue) { | |
491 | destroy_workqueue(asus->leds.workqueue); | |
492 | asus->leds.workqueue = NULL; | |
493 | } | |
494 | } | |
495 | ||
496 | /* Ugly macro, need to fix that later */ | |
497 | #define ASUS_LED_REGISTER(asus, object, _name, max) \ | |
498 | do { \ | |
499 | struct led_classdev *ldev = &asus->leds.object; \ | |
500 | if (!object##_set_handle) \ | |
501 | break ; \ | |
502 | \ | |
503 | INIT_WORK(&asus->leds.object##_work, object##_led_update); \ | |
504 | ldev->name = "asus::" _name; \ | |
505 | ldev->brightness_set = object##_led_set; \ | |
506 | ldev->max_brightness = max; \ | |
507 | rv = led_classdev_register(&asus->platform_device->dev, ldev); \ | |
508 | if (rv) \ | |
509 | goto error; \ | |
510 | } while (0) | |
511 | ||
512 | static int asus_led_init(struct asus_laptop *asus) | |
513 | { | |
514 | int rv; | |
515 | ||
516 | /* | |
517 | * Functions that actually update the LED's are called from a | |
518 | * workqueue. By doing this as separate work rather than when the LED | |
519 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
520 | * potentially bad time, such as a timer interrupt. | |
521 | */ | |
522 | asus->leds.workqueue = create_singlethread_workqueue("led_workqueue"); | |
523 | if (!asus->leds.workqueue) | |
524 | return -ENOMEM; | |
525 | ||
526 | ASUS_LED_REGISTER(asus, mled, "mail", 1); | |
527 | ASUS_LED_REGISTER(asus, tled, "touchpad", 1); | |
528 | ASUS_LED_REGISTER(asus, rled, "record", 1); | |
529 | ASUS_LED_REGISTER(asus, pled, "phone", 1); | |
530 | ASUS_LED_REGISTER(asus, gled, "gaming", 1); | |
531 | if (kled_set_handle && kled_get_handle) | |
532 | ASUS_LED_REGISTER(asus, kled, "kbd_backlight", 3); | |
533 | error: | |
534 | if (rv) | |
535 | asus_led_exit(asus); | |
536 | return rv; | |
537 | } | |
538 | ||
539 | /* | |
540 | * Backlight device | |
541 | */ | |
3e68ae7c | 542 | static int asus_lcd_status(struct asus_laptop *asus) |
6b7091e7 | 543 | { |
3e68ae7c | 544 | return asus->lcd_state; |
6b7091e7 CC |
545 | } |
546 | ||
3e68ae7c | 547 | static int asus_lcd_set(struct asus_laptop *asus, int value) |
6b7091e7 CC |
548 | { |
549 | int lcd = 0; | |
550 | acpi_status status = 0; | |
551 | ||
3e68ae7c | 552 | lcd = !!value; |
6b7091e7 | 553 | |
3e68ae7c | 554 | if (lcd == asus_lcd_status(asus)) |
6b7091e7 CC |
555 | return 0; |
556 | ||
3e68ae7c CC |
557 | if (!lcd_switch_handle) |
558 | return -ENODEV; | |
559 | ||
560 | status = acpi_evaluate_object(lcd_switch_handle, | |
561 | NULL, NULL, NULL); | |
6b7091e7 | 562 | |
3e68ae7c CC |
563 | if (ACPI_FAILURE(status)) { |
564 | pr_warning("Error switching LCD\n"); | |
565 | return -ENODEV; | |
6b7091e7 CC |
566 | } |
567 | ||
3e68ae7c | 568 | asus->lcd_state = lcd; |
6b7091e7 CC |
569 | return 0; |
570 | } | |
571 | ||
9129d14d | 572 | static void lcd_blank(struct asus_laptop *asus, int blank) |
6b7091e7 | 573 | { |
7c247645 | 574 | struct backlight_device *bd = asus->backlight_device; |
6b7091e7 | 575 | |
3e68ae7c CC |
576 | asus->lcd_state = (blank == FB_BLANK_UNBLANK); |
577 | ||
8def05fa | 578 | if (bd) { |
599a52d1 | 579 | bd->props.power = blank; |
28ee086d | 580 | backlight_update_status(bd); |
6b7091e7 CC |
581 | } |
582 | } | |
583 | ||
584 | static int read_brightness(struct backlight_device *bd) | |
585 | { | |
27663c58 | 586 | unsigned long long value; |
9a816850 | 587 | acpi_status rv = AE_OK; |
6b7091e7 | 588 | |
9a816850 CC |
589 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
590 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 591 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
592 | |
593 | return value; | |
594 | } | |
595 | ||
596 | static int set_brightness(struct backlight_device *bd, int value) | |
597 | { | |
d8c67323 | 598 | if (write_acpi_int(brightness_set_handle, NULL, value)) { |
2fcc23da | 599 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 600 | return -EIO; |
6b7091e7 | 601 | } |
e5b50f6a | 602 | return 0; |
6b7091e7 CC |
603 | } |
604 | ||
605 | static int update_bl_status(struct backlight_device *bd) | |
606 | { | |
9129d14d | 607 | struct asus_laptop *asus = bl_get_data(bd); |
6b7091e7 | 608 | int rv; |
599a52d1 | 609 | int value = bd->props.brightness; |
6b7091e7 CC |
610 | |
611 | rv = set_brightness(bd, value); | |
8def05fa | 612 | if (rv) |
6b7091e7 CC |
613 | return rv; |
614 | ||
599a52d1 | 615 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
3e68ae7c | 616 | return asus_lcd_set(asus, value); |
6b7091e7 CC |
617 | } |
618 | ||
be4ee82d CC |
619 | static struct backlight_ops asusbl_ops = { |
620 | .get_brightness = read_brightness, | |
621 | .update_status = update_bl_status, | |
622 | }; | |
623 | ||
624 | static int asus_backlight_init(struct asus_laptop *asus) | |
625 | { | |
626 | struct backlight_device *bd; | |
627 | struct device *dev = &asus->platform_device->dev; | |
628 | ||
629 | if (brightness_set_handle && lcd_switch_handle) { | |
630 | bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, | |
631 | asus, &asusbl_ops); | |
632 | if (IS_ERR(bd)) { | |
633 | pr_err("Could not register asus backlight device\n"); | |
634 | asus->backlight_device = NULL; | |
635 | return PTR_ERR(bd); | |
636 | } | |
637 | ||
638 | asus->backlight_device = bd; | |
639 | ||
640 | bd->props.max_brightness = 15; | |
641 | bd->props.brightness = read_brightness(NULL); | |
642 | bd->props.power = FB_BLANK_UNBLANK; | |
643 | backlight_update_status(bd); | |
644 | } | |
645 | return 0; | |
646 | } | |
647 | ||
648 | static void asus_backlight_exit(struct asus_laptop *asus) | |
649 | { | |
650 | if (asus->backlight_device) | |
651 | backlight_device_unregister(asus->backlight_device); | |
652 | } | |
653 | ||
85091b71 CC |
654 | /* |
655 | * Platform device handlers | |
656 | */ | |
657 | ||
658 | /* | |
659 | * We write our info in page, we begin at offset off and cannot write more | |
660 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
661 | * number of bytes written in page | |
662 | */ | |
663 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 664 | struct device_attribute *attr, char *page) |
85091b71 | 665 | { |
9129d14d | 666 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 667 | int len = 0; |
27663c58 | 668 | unsigned long long temp; |
be966660 | 669 | char buf[16]; /* enough for all info */ |
9a816850 CC |
670 | acpi_status rv = AE_OK; |
671 | ||
85091b71 CC |
672 | /* |
673 | * We use the easy way, we don't care of off and count, so we don't set eof | |
674 | * to 1 | |
675 | */ | |
676 | ||
50a90c4d CC |
677 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
678 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
679 | /* |
680 | * The SFUN method probably allows the original driver to get the list | |
681 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
682 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
683 | * The significance of others is yet to be found. | |
684 | */ | |
50a90c4d | 685 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 686 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
687 | len += sprintf(page + len, "SFUN value : %#x\n", |
688 | (uint) temp); | |
689 | /* | |
690 | * The HWRS method return informations about the hardware. | |
691 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
692 | * The significance of others is yet to be found. | |
693 | * If we don't find the method, we assume the device are present. | |
694 | */ | |
50a90c4d | 695 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
696 | if (!ACPI_FAILURE(rv)) |
697 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 698 | (uint) temp); |
85091b71 CC |
699 | /* |
700 | * Another value for userspace: the ASYM method returns 0x02 for | |
701 | * battery low and 0x04 for battery critical, its readings tend to be | |
702 | * more accurate than those provided by _BST. | |
703 | * Note: since not all the laptops provide this method, errors are | |
704 | * silently ignored. | |
705 | */ | |
50a90c4d | 706 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 707 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 708 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 709 | (uint) temp); |
7c247645 CC |
710 | if (asus->dsdt_info) { |
711 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 712 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 713 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 714 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 715 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 716 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 717 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 718 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 719 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 720 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 721 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 722 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 723 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 724 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 725 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
726 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
727 | } | |
728 | ||
729 | return len; | |
730 | } | |
731 | ||
732 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
733 | { | |
734 | if (!count) | |
735 | return 0; | |
736 | if (count > 31) | |
737 | return -EINVAL; | |
738 | if (sscanf(buf, "%i", val) != 1) | |
739 | return -EINVAL; | |
740 | return count; | |
741 | } | |
742 | ||
9129d14d CC |
743 | static ssize_t store_status(struct asus_laptop *asus, |
744 | const char *buf, size_t count, | |
935ffeec | 745 | acpi_handle handle, int mask) |
4564de17 CC |
746 | { |
747 | int rv, value; | |
748 | int out = 0; | |
749 | ||
750 | rv = parse_arg(buf, count, &value); | |
751 | if (rv > 0) | |
752 | out = value ? 1 : 0; | |
753 | ||
9129d14d | 754 | write_status(asus, handle, out, mask); |
4564de17 CC |
755 | |
756 | return rv; | |
757 | } | |
758 | ||
722ad971 CC |
759 | /* |
760 | * LEDD display | |
761 | */ | |
762 | static ssize_t show_ledd(struct device *dev, | |
763 | struct device_attribute *attr, char *buf) | |
764 | { | |
9129d14d CC |
765 | struct asus_laptop *asus = dev_get_drvdata(dev); |
766 | ||
50a90c4d | 767 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
768 | } |
769 | ||
770 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
771 | const char *buf, size_t count) | |
772 | { | |
9129d14d | 773 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
774 | int rv, value; |
775 | ||
776 | rv = parse_arg(buf, count, &value); | |
777 | if (rv > 0) { | |
d8c67323 | 778 | if (write_acpi_int(ledd_set_handle, NULL, value)) |
2fcc23da | 779 | pr_warning("LED display write failed\n"); |
722ad971 | 780 | else |
50a90c4d | 781 | asus->ledd_status = (u32) value; |
722ad971 CC |
782 | } |
783 | return rv; | |
784 | } | |
785 | ||
aa9df930 CC |
786 | /* |
787 | * Wireless | |
788 | */ | |
789 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
790 | { | |
791 | unsigned long long status; | |
792 | acpi_status rv = AE_OK; | |
793 | ||
794 | if (!asus->have_rsts) | |
795 | return (asus->wireless_status & mask) ? 1 : 0; | |
796 | ||
797 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); | |
798 | if (ACPI_FAILURE(rv)) { | |
799 | pr_warning("Error reading Wireless status\n"); | |
800 | return -EINVAL; | |
801 | } | |
802 | return !!(status & mask); | |
803 | } | |
804 | ||
4564de17 CC |
805 | /* |
806 | * WLAN | |
807 | */ | |
808 | static ssize_t show_wlan(struct device *dev, | |
809 | struct device_attribute *attr, char *buf) | |
810 | { | |
9129d14d CC |
811 | struct asus_laptop *asus = dev_get_drvdata(dev); |
812 | ||
aa9df930 | 813 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_ON)); |
4564de17 CC |
814 | } |
815 | ||
816 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
817 | const char *buf, size_t count) | |
818 | { | |
9129d14d CC |
819 | struct asus_laptop *asus = dev_get_drvdata(dev); |
820 | ||
821 | return store_status(asus, buf, count, wl_switch_handle, WL_ON); | |
4564de17 CC |
822 | } |
823 | ||
824 | /* | |
825 | * Bluetooth | |
826 | */ | |
827 | static ssize_t show_bluetooth(struct device *dev, | |
828 | struct device_attribute *attr, char *buf) | |
829 | { | |
9129d14d CC |
830 | struct asus_laptop *asus = dev_get_drvdata(dev); |
831 | ||
aa9df930 | 832 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_ON)); |
4564de17 CC |
833 | } |
834 | ||
8def05fa LB |
835 | static ssize_t store_bluetooth(struct device *dev, |
836 | struct device_attribute *attr, const char *buf, | |
837 | size_t count) | |
4564de17 | 838 | { |
9129d14d CC |
839 | struct asus_laptop *asus = dev_get_drvdata(dev); |
840 | ||
841 | return store_status(asus, buf, count, bt_switch_handle, BT_ON); | |
4564de17 CC |
842 | } |
843 | ||
78127b4a CC |
844 | /* |
845 | * Display | |
846 | */ | |
9129d14d | 847 | static void set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
848 | { |
849 | /* no sanity check needed for now */ | |
d8c67323 | 850 | if (write_acpi_int(display_set_handle, NULL, value)) |
2fcc23da | 851 | pr_warning("Error setting display\n"); |
78127b4a CC |
852 | return; |
853 | } | |
854 | ||
9129d14d | 855 | static int read_display(struct asus_laptop *asus) |
78127b4a | 856 | { |
27663c58 | 857 | unsigned long long value = 0; |
9a816850 | 858 | acpi_status rv = AE_OK; |
78127b4a | 859 | |
be966660 CC |
860 | /* |
861 | * In most of the case, we know how to set the display, but sometime | |
862 | * we can't read it | |
863 | */ | |
8def05fa | 864 | if (display_get_handle) { |
9a816850 CC |
865 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
866 | NULL, &value); | |
867 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 868 | pr_warning("Error reading display status\n"); |
78127b4a CC |
869 | } |
870 | ||
871 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
872 | ||
873 | return value; | |
874 | } | |
8def05fa | 875 | |
78127b4a CC |
876 | /* |
877 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
878 | * complained. The significance of bits is the same as in store_disp() | |
879 | */ | |
880 | static ssize_t show_disp(struct device *dev, | |
881 | struct device_attribute *attr, char *buf) | |
882 | { | |
9129d14d CC |
883 | struct asus_laptop *asus = dev_get_drvdata(dev); |
884 | ||
885 | return sprintf(buf, "%d\n", read_display(asus)); | |
78127b4a CC |
886 | } |
887 | ||
888 | /* | |
889 | * Experimental support for display switching. As of now: 1 should activate | |
890 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
891 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
892 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
893 | * for more info. | |
894 | */ | |
895 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
896 | const char *buf, size_t count) | |
897 | { | |
9129d14d | 898 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
899 | int rv, value; |
900 | ||
901 | rv = parse_arg(buf, count, &value); | |
902 | if (rv > 0) | |
9129d14d | 903 | set_display(asus, value); |
78127b4a CC |
904 | return rv; |
905 | } | |
906 | ||
8b857353 CC |
907 | /* |
908 | * Light Sens | |
909 | */ | |
9129d14d | 910 | static void set_light_sens_switch(struct asus_laptop *asus, int value) |
8b857353 | 911 | { |
d8c67323 | 912 | if (write_acpi_int(ls_switch_handle, NULL, value)) |
2fcc23da | 913 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 914 | asus->light_switch = value; |
8b857353 CC |
915 | } |
916 | ||
917 | static ssize_t show_lssw(struct device *dev, | |
918 | struct device_attribute *attr, char *buf) | |
919 | { | |
9129d14d CC |
920 | struct asus_laptop *asus = dev_get_drvdata(dev); |
921 | ||
50a90c4d | 922 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
923 | } |
924 | ||
925 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
926 | const char *buf, size_t count) | |
927 | { | |
9129d14d | 928 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
929 | int rv, value; |
930 | ||
931 | rv = parse_arg(buf, count, &value); | |
932 | if (rv > 0) | |
9129d14d | 933 | set_light_sens_switch(asus, value ? 1 : 0); |
8b857353 CC |
934 | |
935 | return rv; | |
936 | } | |
937 | ||
9129d14d | 938 | static void set_light_sens_level(struct asus_laptop *asus, int value) |
8b857353 | 939 | { |
d8c67323 | 940 | if (write_acpi_int(ls_level_handle, NULL, value)) |
2fcc23da | 941 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 942 | asus->light_level = value; |
8b857353 CC |
943 | } |
944 | ||
945 | static ssize_t show_lslvl(struct device *dev, | |
946 | struct device_attribute *attr, char *buf) | |
947 | { | |
9129d14d CC |
948 | struct asus_laptop *asus = dev_get_drvdata(dev); |
949 | ||
50a90c4d | 950 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
951 | } |
952 | ||
953 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
954 | const char *buf, size_t count) | |
955 | { | |
9129d14d | 956 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
957 | int rv, value; |
958 | ||
959 | rv = parse_arg(buf, count, &value); | |
960 | if (rv > 0) { | |
961 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
962 | /* 0 <= value <= 15 */ | |
9129d14d | 963 | set_light_sens_level(asus, value); |
8b857353 CC |
964 | } |
965 | ||
966 | return rv; | |
967 | } | |
968 | ||
e539c2f6 CC |
969 | /* |
970 | * GPS | |
6358bf2c | 971 | * TODO: use rfkill |
e539c2f6 | 972 | */ |
6358bf2c CC |
973 | static int asus_gps_status(struct asus_laptop *asus) |
974 | { | |
975 | unsigned long long status; | |
976 | acpi_status rv = AE_OK; | |
977 | ||
978 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
979 | if (ACPI_FAILURE(rv)) { | |
980 | pr_warning("Error reading GPS status\n"); | |
981 | return -ENODEV; | |
982 | } | |
983 | return !!status; | |
984 | } | |
985 | ||
986 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
987 | { | |
988 | acpi_handle handle = status ? gps_on_handle : gps_off_handle; | |
989 | ||
990 | if (write_acpi_int(handle, NULL, 0x02)) | |
991 | return -ENODEV; | |
992 | return 0; | |
993 | } | |
994 | ||
e539c2f6 CC |
995 | static ssize_t show_gps(struct device *dev, |
996 | struct device_attribute *attr, char *buf) | |
997 | { | |
9129d14d CC |
998 | struct asus_laptop *asus = dev_get_drvdata(dev); |
999 | ||
6358bf2c | 1000 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1001 | } |
1002 | ||
1003 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1004 | const char *buf, size_t count) | |
1005 | { | |
6358bf2c CC |
1006 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1007 | int rv, value; | |
1008 | int ret; | |
9129d14d | 1009 | |
6358bf2c CC |
1010 | rv = parse_arg(buf, count, &value); |
1011 | if (rv <= 0) | |
1012 | return -EINVAL; | |
1013 | ret = asus_gps_switch(asus, !!value); | |
1014 | if (ret) | |
1015 | return ret; | |
1016 | return rv; | |
e539c2f6 CC |
1017 | } |
1018 | ||
034ce90a | 1019 | /* |
be4ee82d | 1020 | * Input device (i.e. hotkeys) |
034ce90a | 1021 | */ |
9129d14d CC |
1022 | static struct key_entry *asus_get_entry_by_scancode(struct asus_laptop *asus, |
1023 | int code) | |
034ce90a CC |
1024 | { |
1025 | struct key_entry *key; | |
1026 | ||
9129d14d | 1027 | for (key = asus->keymap; key->type != KE_END; key++) |
034ce90a CC |
1028 | if (code == key->code) |
1029 | return key; | |
1030 | ||
1031 | return NULL; | |
1032 | } | |
1033 | ||
9129d14d CC |
1034 | static struct key_entry *asus_get_entry_by_keycode(struct asus_laptop *asus, |
1035 | int code) | |
034ce90a CC |
1036 | { |
1037 | struct key_entry *key; | |
1038 | ||
9129d14d | 1039 | for (key = asus->keymap; key->type != KE_END; key++) |
034ce90a CC |
1040 | if (code == key->keycode && key->type == KE_KEY) |
1041 | return key; | |
1042 | ||
1043 | return NULL; | |
1044 | } | |
1045 | ||
1046 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
1047 | { | |
9129d14d CC |
1048 | struct asus_laptop *asus = input_get_drvdata(dev); |
1049 | struct key_entry *key = asus_get_entry_by_scancode(asus, scancode); | |
034ce90a CC |
1050 | |
1051 | if (key && key->type == KE_KEY) { | |
1052 | *keycode = key->keycode; | |
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | return -EINVAL; | |
1057 | } | |
1058 | ||
1059 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
1060 | { | |
9129d14d | 1061 | struct asus_laptop *asus = input_get_drvdata(dev); |
034ce90a CC |
1062 | struct key_entry *key; |
1063 | int old_keycode; | |
1064 | ||
1065 | if (keycode < 0 || keycode > KEY_MAX) | |
1066 | return -EINVAL; | |
1067 | ||
9129d14d | 1068 | key = asus_get_entry_by_scancode(asus, scancode); |
034ce90a CC |
1069 | if (key && key->type == KE_KEY) { |
1070 | old_keycode = key->keycode; | |
1071 | key->keycode = keycode; | |
1072 | set_bit(keycode, dev->keybit); | |
9129d14d | 1073 | if (!asus_get_entry_by_keycode(asus, old_keycode)) |
034ce90a CC |
1074 | clear_bit(old_keycode, dev->keybit); |
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | return -EINVAL; | |
1079 | } | |
1080 | ||
be4ee82d CC |
1081 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1082 | { | |
1083 | struct key_entry *key; | |
1084 | ||
1085 | key = asus_get_entry_by_scancode(asus, event); | |
1086 | if (!key) | |
1087 | return ; | |
1088 | ||
1089 | switch (key->type) { | |
1090 | case KE_KEY: | |
1091 | input_report_key(asus->inputdev, key->keycode, 1); | |
1092 | input_sync(asus->inputdev); | |
1093 | input_report_key(asus->inputdev, key->keycode, 0); | |
1094 | input_sync(asus->inputdev); | |
1095 | break; | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | static int asus_input_init(struct asus_laptop *asus) | |
1100 | { | |
1101 | const struct key_entry *key; | |
1102 | int result; | |
1103 | ||
1104 | asus->inputdev = input_allocate_device(); | |
1105 | if (!asus->inputdev) { | |
1106 | pr_info("Unable to allocate input device\n"); | |
1107 | return 0; | |
1108 | } | |
1109 | asus->inputdev->name = "Asus Laptop extra buttons"; | |
1110 | asus->inputdev->dev.parent = &asus->platform_device->dev; | |
1111 | asus->inputdev->phys = ASUS_LAPTOP_FILE "/input0"; | |
1112 | asus->inputdev->id.bustype = BUS_HOST; | |
1113 | asus->inputdev->getkeycode = asus_getkeycode; | |
1114 | asus->inputdev->setkeycode = asus_setkeycode; | |
1115 | input_set_drvdata(asus->inputdev, asus); | |
1116 | ||
1117 | asus->keymap = kmemdup(asus_keymap, sizeof(asus_keymap), | |
1118 | GFP_KERNEL); | |
1119 | for (key = asus->keymap; key->type != KE_END; key++) { | |
1120 | switch (key->type) { | |
1121 | case KE_KEY: | |
1122 | set_bit(EV_KEY, asus->inputdev->evbit); | |
1123 | set_bit(key->keycode, asus->inputdev->keybit); | |
1124 | break; | |
1125 | } | |
1126 | } | |
1127 | result = input_register_device(asus->inputdev); | |
1128 | if (result) { | |
1129 | pr_info("Unable to register input device\n"); | |
1130 | input_free_device(asus->inputdev); | |
1131 | } | |
1132 | return result; | |
1133 | } | |
1134 | ||
1135 | static void asus_input_exit(struct asus_laptop *asus) | |
1136 | { | |
1137 | if (asus->inputdev) | |
1138 | input_unregister_device(asus->inputdev); | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * ACPI driver | |
1143 | */ | |
600ad520 | 1144 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1145 | { |
9129d14d | 1146 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1147 | u16 count; |
034ce90a | 1148 | |
6b7091e7 CC |
1149 | /* |
1150 | * We need to tell the backlight device when the backlight power is | |
1151 | * switched | |
1152 | */ | |
3e68ae7c | 1153 | if (event == ATKD_LCD_ON) |
9129d14d | 1154 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1155 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1156 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1157 | |
619d8b11 | 1158 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1159 | count = asus->event_count[event % 128]++; |
1160 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1161 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1162 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1163 | count); |
85091b71 | 1164 | |
be4ee82d | 1165 | asus_input_notify(asus, event); |
85091b71 CC |
1166 | } |
1167 | ||
1168 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
1169 | struct device_attribute dev_attr_##_name = { \ | |
1170 | .attr = { \ | |
1171 | .name = __stringify(_name), \ | |
7b595756 | 1172 | .mode = 0 }, \ |
85091b71 CC |
1173 | .show = NULL, \ |
1174 | .store = NULL, \ | |
1175 | } | |
1176 | ||
1177 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
1178 | do { \ | |
1179 | dev_attr_##_name.attr.mode = _mode; \ | |
1180 | dev_attr_##_name.show = _show; \ | |
1181 | dev_attr_##_name.store = _store; \ | |
1182 | } while(0) | |
1183 | ||
1184 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
1185 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
1186 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 1187 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 1188 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
1189 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
1190 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 1191 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
1192 | |
1193 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
1194 | &dev_attr_infos.attr, |
1195 | &dev_attr_wlan.attr, | |
1196 | &dev_attr_bluetooth.attr, | |
1197 | &dev_attr_display.attr, | |
1198 | &dev_attr_ledd.attr, | |
1199 | &dev_attr_ls_switch.attr, | |
1200 | &dev_attr_ls_level.attr, | |
e539c2f6 | 1201 | &dev_attr_gps.attr, |
8def05fa | 1202 | NULL |
85091b71 CC |
1203 | }; |
1204 | ||
600ad520 | 1205 | static struct attribute_group platform_attribute_group = { |
8def05fa | 1206 | .attrs = asuspf_attributes |
85091b71 CC |
1207 | }; |
1208 | ||
9129d14d | 1209 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 CC |
1210 | { |
1211 | int result; | |
1212 | ||
50a90c4d CC |
1213 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1214 | if (!asus->platform_device) | |
600ad520 | 1215 | return -ENOMEM; |
9129d14d | 1216 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1217 | |
50a90c4d | 1218 | result = platform_device_add(asus->platform_device); |
600ad520 CC |
1219 | if (result) |
1220 | goto fail_platform_device; | |
1221 | ||
50a90c4d | 1222 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
600ad520 CC |
1223 | &platform_attribute_group); |
1224 | if (result) | |
1225 | goto fail_sysfs; | |
1226 | return 0; | |
1227 | ||
1228 | fail_sysfs: | |
50a90c4d | 1229 | platform_device_del(asus->platform_device); |
600ad520 | 1230 | fail_platform_device: |
50a90c4d | 1231 | platform_device_put(asus->platform_device); |
600ad520 CC |
1232 | return result; |
1233 | } | |
1234 | ||
9129d14d | 1235 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1236 | { |
50a90c4d | 1237 | sysfs_remove_group(&asus->platform_device->dev.kobj, |
600ad520 | 1238 | &platform_attribute_group); |
50a90c4d | 1239 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1240 | } |
1241 | ||
1242 | static struct platform_driver platform_driver = { | |
8def05fa | 1243 | .driver = { |
9129d14d CC |
1244 | .name = ASUS_LAPTOP_FILE, |
1245 | .owner = THIS_MODULE, | |
1246 | } | |
85091b71 CC |
1247 | }; |
1248 | ||
9129d14d | 1249 | static void asus_laptop_add_fs(struct asus_laptop *asus) |
85091b71 CC |
1250 | { |
1251 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
1252 | |
1253 | if (wl_switch_handle) | |
1254 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
1255 | ||
1256 | if (bt_switch_handle) | |
1257 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
1258 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
1259 | |
1260 | if (display_set_handle && display_get_handle) | |
1261 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 1262 | else if (display_set_handle) |
78127b4a CC |
1263 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
1264 | ||
722ad971 CC |
1265 | if (ledd_set_handle) |
1266 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
1267 | ||
8b857353 CC |
1268 | if (ls_switch_handle && ls_level_handle) { |
1269 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
1270 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
1271 | } | |
e539c2f6 | 1272 | |
f3985327 | 1273 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 1274 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
1275 | } |
1276 | ||
8def05fa | 1277 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1278 | char **paths, int num_paths) |
1279 | { | |
1280 | int i; | |
1281 | acpi_status status; | |
1282 | ||
1283 | for (i = 0; i < num_paths; i++) { | |
1284 | status = acpi_get_handle(NULL, paths[i], handle); | |
1285 | if (ACPI_SUCCESS(status)) | |
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | *handle = NULL; | |
1290 | return -ENODEV; | |
1291 | } | |
1292 | ||
1293 | #define ASUS_HANDLE_INIT(object) \ | |
1294 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1295 | ARRAY_SIZE(object##_paths)) | |
1296 | ||
85091b71 | 1297 | /* |
50a90c4d CC |
1298 | * This function is used to initialize the context with right values. In this |
1299 | * method, we can make all the detection we want, and modify the asus_laptop | |
1300 | * struct | |
85091b71 | 1301 | */ |
7c247645 | 1302 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1303 | { |
1304 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1305 | union acpi_object *model = NULL; |
27663c58 | 1306 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1307 | char *string = NULL; |
1308 | acpi_status status; | |
1309 | ||
1310 | /* | |
1311 | * Get DSDT headers early enough to allow for differentiating between | |
1312 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1313 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1314 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1315 | * HID), this bit will be moved. |
85091b71 | 1316 | */ |
7c247645 | 1317 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1318 | if (ACPI_FAILURE(status)) |
2fcc23da | 1319 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1320 | |
1321 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1322 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1323 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1324 | return -ENODEV; |
1325 | } | |
1326 | ||
1327 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1328 | status = |
50a90c4d | 1329 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1330 | if (ACPI_FAILURE(status)) |
2fcc23da | 1331 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1332 | else if (bsts_result) |
2fcc23da | 1333 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1334 | (uint) bsts_result); |
85091b71 | 1335 | |
185e5af9 | 1336 | /* This too ... */ |
50a90c4d | 1337 | write_acpi_int(asus->handle, "CWAP", wapf); |
185e5af9 | 1338 | |
85091b71 CC |
1339 | /* |
1340 | * Try to match the object returned by INIT to the specific model. | |
1341 | * Handle every possible object (or the lack of thereof) the DSDT | |
1342 | * writers might throw at us. When in trouble, we pass NULL to | |
1343 | * asus_model_match() and try something completely different. | |
1344 | */ | |
1345 | if (buffer.pointer) { | |
1346 | model = buffer.pointer; | |
1347 | switch (model->type) { | |
1348 | case ACPI_TYPE_STRING: | |
1349 | string = model->string.pointer; | |
1350 | break; | |
1351 | case ACPI_TYPE_BUFFER: | |
1352 | string = model->buffer.pointer; | |
1353 | break; | |
1354 | default: | |
1355 | string = ""; | |
1356 | break; | |
1357 | } | |
1358 | } | |
50a90c4d CC |
1359 | asus->name = kstrdup(string, GFP_KERNEL); |
1360 | if (!asus->name) | |
85091b71 CC |
1361 | return -ENOMEM; |
1362 | ||
8def05fa | 1363 | if (*string) |
2fcc23da | 1364 | pr_notice(" %s model detected\n", string); |
85091b71 | 1365 | |
be18cdab CC |
1366 | ASUS_HANDLE_INIT(mled_set); |
1367 | ASUS_HANDLE_INIT(tled_set); | |
1368 | ASUS_HANDLE_INIT(rled_set); | |
1369 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1370 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1371 | |
722ad971 CC |
1372 | ASUS_HANDLE_INIT(ledd_set); |
1373 | ||
b7d3fbc2 CC |
1374 | ASUS_HANDLE_INIT(kled_set); |
1375 | ASUS_HANDLE_INIT(kled_get); | |
1376 | ||
4564de17 CC |
1377 | /* |
1378 | * The HWRS method return informations about the hardware. | |
1379 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1380 | * The significance of others is yet to be found. | |
1381 | * If we don't find the method, we assume the device are present. | |
1382 | */ | |
9a816850 | 1383 | status = |
50a90c4d | 1384 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
9a816850 | 1385 | if (ACPI_FAILURE(status)) |
4564de17 CC |
1386 | hwrs_result = WL_HWRS | BT_HWRS; |
1387 | ||
8def05fa | 1388 | if (hwrs_result & WL_HWRS) |
4564de17 | 1389 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1390 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1391 | ASUS_HANDLE_INIT(bt_switch); |
1392 | ||
aa9df930 CC |
1393 | if (!ASUS_HANDLE_INIT(wireless_status)) |
1394 | asus->have_rsts = true; | |
4564de17 | 1395 | |
6b7091e7 CC |
1396 | ASUS_HANDLE_INIT(brightness_set); |
1397 | ASUS_HANDLE_INIT(brightness_get); | |
1398 | ||
1399 | ASUS_HANDLE_INIT(lcd_switch); | |
1400 | ||
78127b4a CC |
1401 | ASUS_HANDLE_INIT(display_set); |
1402 | ASUS_HANDLE_INIT(display_get); | |
1403 | ||
be966660 CC |
1404 | /* |
1405 | * There is a lot of models with "ALSL", but a few get | |
1406 | * a real light sens, so we need to check it. | |
1407 | */ | |
832d9950 | 1408 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1409 | ASUS_HANDLE_INIT(ls_level); |
1410 | ||
e539c2f6 CC |
1411 | ASUS_HANDLE_INIT(gps_on); |
1412 | ASUS_HANDLE_INIT(gps_off); | |
1413 | ASUS_HANDLE_INIT(gps_status); | |
1414 | ||
85091b71 CC |
1415 | kfree(model); |
1416 | ||
1417 | return AE_OK; | |
1418 | } | |
1419 | ||
600ad520 CC |
1420 | static bool asus_device_present; |
1421 | ||
9129d14d | 1422 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1423 | { |
600ad520 | 1424 | int result = 0; |
85091b71 | 1425 | |
50a90c4d | 1426 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1427 | if (result) |
85091b71 | 1428 | return result; |
50a90c4d | 1429 | if (!asus->device->status.present) { |
600ad520 | 1430 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1431 | return -ENODEV; |
1432 | } | |
1433 | ||
7c247645 | 1434 | result = asus_laptop_get_info(asus); |
034ce90a | 1435 | if (result) |
600ad520 | 1436 | return result; |
034ce90a | 1437 | |
9129d14d | 1438 | asus_laptop_add_fs(asus); |
85091b71 | 1439 | |
600ad520 | 1440 | /* WLED and BLED are on by default */ |
be4ee82d CC |
1441 | if (bluetooth_status >= 0) |
1442 | write_status(asus, bt_switch_handle, !!bluetooth_status, BT_ON); | |
1443 | if (wireless_status >= 0) | |
1444 | write_status(asus, wl_switch_handle, !!wireless_status, WL_ON); | |
85091b71 | 1445 | |
600ad520 | 1446 | /* If the h/w switch is off, we need to check the real status */ |
aa9df930 CC |
1447 | write_status(asus, NULL, asus_wireless_status(asus, BT_ON), BT_ON); |
1448 | write_status(asus, NULL, asus_wireless_status(asus, WL_ON), WL_ON); | |
600ad520 CC |
1449 | |
1450 | /* LCD Backlight is on by default */ | |
9129d14d | 1451 | write_status(asus, NULL, 1, LCD_ON); |
85091b71 | 1452 | |
600ad520 CC |
1453 | /* Keyboard Backlight is on by default */ |
1454 | if (kled_set_handle) | |
9129d14d | 1455 | set_kled_lvl(asus, 1); |
600ad520 CC |
1456 | |
1457 | /* LED display is off by default */ | |
50a90c4d | 1458 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1459 | |
1460 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1461 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1462 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 CC |
1463 | |
1464 | if (ls_switch_handle) | |
9129d14d | 1465 | set_light_sens_switch(asus, asus->light_switch); |
600ad520 CC |
1466 | |
1467 | if (ls_level_handle) | |
9129d14d | 1468 | set_light_sens_level(asus, asus->light_level); |
600ad520 CC |
1469 | |
1470 | /* GPS is on by default */ | |
6358bf2c | 1471 | asus_gps_switch(asus, 1); |
600ad520 CC |
1472 | return result; |
1473 | } | |
1474 | ||
1475 | static int __devinit asus_acpi_add(struct acpi_device *device) | |
1476 | { | |
9129d14d | 1477 | struct asus_laptop *asus; |
600ad520 CC |
1478 | int result; |
1479 | ||
1480 | pr_notice("Asus Laptop Support version %s\n", | |
1481 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1482 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1483 | if (!asus) | |
600ad520 | 1484 | return -ENOMEM; |
50a90c4d CC |
1485 | asus->handle = device->handle; |
1486 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1487 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1488 | device->driver_data = asus; | |
1489 | asus->device = device; | |
600ad520 | 1490 | |
9129d14d | 1491 | result = asus_acpi_init(asus); |
8def05fa | 1492 | if (result) |
600ad520 | 1493 | goto fail_platform; |
85091b71 | 1494 | |
600ad520 CC |
1495 | /* |
1496 | * Register the platform device first. It is used as a parent for the | |
1497 | * sub-devices below. | |
1498 | */ | |
9129d14d | 1499 | result = asus_platform_init(asus); |
116bf2e0 | 1500 | if (result) |
600ad520 | 1501 | goto fail_platform; |
116bf2e0 CC |
1502 | |
1503 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1504 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1505 | if (result) |
1506 | goto fail_backlight; | |
1507 | } else | |
600ad520 | 1508 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1509 | |
9129d14d | 1510 | result = asus_input_init(asus); |
600ad520 CC |
1511 | if (result) |
1512 | goto fail_input; | |
1513 | ||
9129d14d | 1514 | result = asus_led_init(asus); |
600ad520 CC |
1515 | if (result) |
1516 | goto fail_led; | |
1517 | ||
1518 | asus_device_present = true; | |
8def05fa | 1519 | return 0; |
85091b71 | 1520 | |
600ad520 | 1521 | fail_led: |
9129d14d | 1522 | asus_input_exit(asus); |
600ad520 | 1523 | fail_input: |
9129d14d | 1524 | asus_backlight_exit(asus); |
116bf2e0 | 1525 | fail_backlight: |
9129d14d | 1526 | asus_platform_exit(asus); |
600ad520 | 1527 | fail_platform: |
50a90c4d CC |
1528 | kfree(asus->name); |
1529 | kfree(asus); | |
116bf2e0 | 1530 | |
600ad520 CC |
1531 | return result; |
1532 | } | |
116bf2e0 | 1533 | |
600ad520 CC |
1534 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1535 | { | |
9129d14d CC |
1536 | struct asus_laptop *asus = acpi_driver_data(device); |
1537 | ||
1538 | asus_backlight_exit(asus); | |
1539 | asus_led_exit(asus); | |
1540 | asus_input_exit(asus); | |
1541 | asus_platform_exit(asus); | |
600ad520 | 1542 | |
50a90c4d CC |
1543 | kfree(asus->name); |
1544 | kfree(asus); | |
600ad520 CC |
1545 | return 0; |
1546 | } | |
1547 | ||
1548 | static const struct acpi_device_id asus_device_ids[] = { | |
1549 | {"ATK0100", 0}, | |
1550 | {"ATK0101", 0}, | |
1551 | {"", 0}, | |
1552 | }; | |
1553 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1554 | |
600ad520 | 1555 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1556 | .name = ASUS_LAPTOP_NAME, |
1557 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1558 | .owner = THIS_MODULE, |
1559 | .ids = asus_device_ids, | |
1560 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1561 | .ops = { | |
1562 | .add = asus_acpi_add, | |
1563 | .remove = asus_acpi_remove, | |
1564 | .notify = asus_acpi_notify, | |
1565 | }, | |
1566 | }; | |
85091b71 | 1567 | |
600ad520 CC |
1568 | static int __init asus_laptop_init(void) |
1569 | { | |
1570 | int result; | |
85091b71 | 1571 | |
600ad520 CC |
1572 | result = platform_driver_register(&platform_driver); |
1573 | if (result < 0) | |
1574 | return result; | |
034ce90a | 1575 | |
600ad520 CC |
1576 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1577 | if (result < 0) | |
1578 | goto fail_acpi_driver; | |
1579 | if (!asus_device_present) { | |
1580 | result = -ENODEV; | |
1581 | goto fail_no_device; | |
1582 | } | |
1583 | return 0; | |
85091b71 | 1584 | |
600ad520 CC |
1585 | fail_no_device: |
1586 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1587 | fail_acpi_driver: | |
1588 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1589 | return result; |
1590 | } | |
1591 | ||
600ad520 CC |
1592 | static void __exit asus_laptop_exit(void) |
1593 | { | |
1594 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1595 | platform_driver_unregister(&platform_driver); | |
1596 | } | |
1597 | ||
85091b71 CC |
1598 | module_init(asus_laptop_init); |
1599 | module_exit(asus_laptop_exit); |