Commit | Line | Data |
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85091b71 CC |
1 | /* |
2 | * asus-laptop.c - Asus Laptop Support | |
3 | * | |
4 | * | |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor | |
8ec555c2 | 6 | * Copyright (C) 2006-2007 Corentin Chary |
85091b71 CC |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * | |
23 | * The development page for this driver is located at | |
24 | * http://sourceforge.net/projects/acpi4asus/ | |
25 | * | |
26 | * Credits: | |
27 | * Pontus Fuchs - Helper functions, cleanup | |
28 | * Johann Wiesner - Small compile fixes | |
29 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. | |
30 | * Eric Burghard - LED display support for W1N | |
31 | * Josh Green - Light Sens support | |
32 | * Thomas Tuttle - His first patch for led support was very helpfull | |
e539c2f6 | 33 | * Sam Lin - GPS support |
85091b71 CC |
34 | */ |
35 | ||
2fcc23da CC |
36 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
37 | ||
85091b71 CC |
38 | #include <linux/kernel.h> |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/types.h> | |
42 | #include <linux/err.h> | |
43 | #include <linux/proc_fs.h> | |
6b7091e7 CC |
44 | #include <linux/backlight.h> |
45 | #include <linux/fb.h> | |
be18cdab | 46 | #include <linux/leds.h> |
85091b71 | 47 | #include <linux/platform_device.h> |
060cbce6 | 48 | #include <linux/uaccess.h> |
034ce90a | 49 | #include <linux/input.h> |
66a71dd1 | 50 | #include <linux/input/sparse-keymap.h> |
18e1311e | 51 | #include <linux/rfkill.h> |
5a0e3ad6 | 52 | #include <linux/slab.h> |
060cbce6 CC |
53 | #include <acpi/acpi_drivers.h> |
54 | #include <acpi/acpi_bus.h> | |
85091b71 | 55 | |
91687cc8 | 56 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 57 | |
50a90c4d CC |
58 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
59 | #define ASUS_LAPTOP_CLASS "hotkey" | |
60 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
61 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
62 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 63 | |
85091b71 | 64 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 65 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
66 | MODULE_LICENSE("GPL"); |
67 | ||
be966660 CC |
68 | /* |
69 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
70 | * The significance of values is yet to be found, but |
71 | * most of the time: | |
72 | * 0x0 will do nothing | |
73 | * 0x1 will allow to control the device with Fn+Fx key. | |
74 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
75 | * 0x5 like 0x1 or 0x4 | |
76 | * So, if something doesn't work as you want, just try other values =) | |
77 | */ | |
78 | static uint wapf = 1; | |
c26d85cb | 79 | module_param(wapf, uint, 0444); |
185e5af9 CC |
80 | MODULE_PARM_DESC(wapf, "WAPF value"); |
81 | ||
668f4a03 DC |
82 | static int wlan_status = 1; |
83 | static int bluetooth_status = 1; | |
ba1ff5be CC |
84 | static int wimax_status = -1; |
85 | static int wwan_status = -1; | |
0e875f49 | 86 | |
c26d85cb | 87 | module_param(wlan_status, int, 0444); |
d0930a2d | 88 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " |
0e875f49 CC |
89 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
90 | "default is 1"); | |
91 | ||
c26d85cb | 92 | module_param(bluetooth_status, int, 0444); |
0e875f49 CC |
93 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " |
94 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
95 | "default is 1"); | |
96 | ||
ba1ff5be CC |
97 | module_param(wimax_status, int, 0444); |
98 | MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot " | |
99 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
100 | "default is 1"); | |
101 | ||
102 | module_param(wwan_status, int, 0444); | |
103 | MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " | |
104 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
105 | "default is 1"); | |
106 | ||
be4ee82d CC |
107 | /* |
108 | * Some events we use, same for all Asus | |
109 | */ | |
060cbce6 CC |
110 | #define ATKD_BR_UP 0x10 /* (event & ~ATKD_BR_UP) = brightness level */ |
111 | #define ATKD_BR_DOWN 0x20 /* (event & ~ATKD_BR_DOWN) = britghness level */ | |
a539df5e | 112 | #define ATKD_BR_MIN ATKD_BR_UP |
060cbce6 | 113 | #define ATKD_BR_MAX (ATKD_BR_DOWN | 0xF) /* 0x2f */ |
be4ee82d CC |
114 | #define ATKD_LCD_ON 0x33 |
115 | #define ATKD_LCD_OFF 0x34 | |
116 | ||
117 | /* | |
118 | * Known bits returned by \_SB.ATKD.HWRS | |
119 | */ | |
120 | #define WL_HWRS 0x80 | |
121 | #define BT_HWRS 0x100 | |
122 | ||
123 | /* | |
124 | * Flags for hotk status | |
125 | * WL_ON and BT_ON are also used for wireless_status() | |
126 | */ | |
17e78f62 CC |
127 | #define WL_RSTS 0x01 /* internal Wifi */ |
128 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
ba1ff5be CC |
129 | #define WM_RSTS 0x08 /* internal wimax */ |
130 | #define WW_RSTS 0x20 /* internal wwan */ | |
be4ee82d | 131 | |
be18cdab | 132 | /* LED */ |
d99b577c CC |
133 | #define METHOD_MLED "MLED" |
134 | #define METHOD_TLED "TLED" | |
135 | #define METHOD_RLED "RLED" /* W1JC */ | |
136 | #define METHOD_PLED "PLED" /* A7J */ | |
137 | #define METHOD_GLED "GLED" /* G1, G2 (probably) */ | |
be18cdab | 138 | |
722ad971 | 139 | /* LEDD */ |
d99b577c | 140 | #define METHOD_LEDD "SLCM" |
722ad971 | 141 | |
be966660 CC |
142 | /* |
143 | * Bluetooth and WLAN | |
4564de17 CC |
144 | * WLED and BLED are not handled like other XLED, because in some dsdt |
145 | * they also control the WLAN/Bluetooth device. | |
146 | */ | |
d99b577c CC |
147 | #define METHOD_WLAN "WLED" |
148 | #define METHOD_BLUETOOTH "BLED" | |
ba1ff5be CC |
149 | |
150 | /* WWAN and WIMAX */ | |
151 | #define METHOD_WWAN "GSMC" | |
152 | #define METHOD_WIMAX "WMXC" | |
153 | ||
d99b577c | 154 | #define METHOD_WL_STATUS "RSTS" |
4564de17 | 155 | |
6b7091e7 | 156 | /* Brightness */ |
d99b577c CC |
157 | #define METHOD_BRIGHTNESS_SET "SPLV" |
158 | #define METHOD_BRIGHTNESS_GET "GPLV" | |
6b7091e7 CC |
159 | |
160 | /* Backlight */ | |
060cbce6 | 161 | static acpi_handle lcd_switch_handle; |
16721511 | 162 | static char *lcd_switch_paths[] = { |
060cbce6 CC |
163 | "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
164 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
165 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
166 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
167 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
168 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ | |
169 | "\\_SB.PCI0.PX40.Q10", /* S1x */ | |
170 | "\\Q10"}; /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 171 | |
78127b4a | 172 | /* Display */ |
d99b577c | 173 | #define METHOD_SWITCH_DISPLAY "SDSP" |
060cbce6 CC |
174 | |
175 | static acpi_handle display_get_handle; | |
16721511 | 176 | static char *display_get_paths[] = { |
060cbce6 CC |
177 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ |
178 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
179 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
180 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
181 | /* A6V A6Q */ | |
182 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
183 | /* A6T, A6M */ | |
184 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
185 | /* L3C */ | |
186 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
187 | /* Z96F */ | |
188 | "\\_SB.PCI0.VGA.GETD", | |
189 | /* A2D */ | |
190 | "\\ACTD", | |
191 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
192 | "\\ADVG", | |
193 | /* P30 */ | |
194 | "\\DNXT", | |
195 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
196 | "\\INFB", | |
197 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
198 | "\\SSTE"}; | |
be966660 | 199 | |
d99b577c CC |
200 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
201 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ | |
8b857353 | 202 | |
e539c2f6 CC |
203 | /* GPS */ |
204 | /* R2H use different handle for GPS on/off */ | |
d99b577c CC |
205 | #define METHOD_GPS_ON "SDON" |
206 | #define METHOD_GPS_OFF "SDOF" | |
207 | #define METHOD_GPS_STATUS "GPST" | |
e539c2f6 | 208 | |
b7d3fbc2 | 209 | /* Keyboard light */ |
d99b577c CC |
210 | #define METHOD_KBD_LIGHT_SET "SLKB" |
211 | #define METHOD_KBD_LIGHT_GET "GLKB" | |
b7d3fbc2 | 212 | |
9129d14d CC |
213 | /* |
214 | * Define a specific led structure to keep the main structure clean | |
215 | */ | |
aee0afb8 CC |
216 | struct asus_led { |
217 | int wk; | |
218 | struct work_struct work; | |
219 | struct led_classdev led; | |
220 | struct asus_laptop *asus; | |
221 | const char *method; | |
9129d14d CC |
222 | }; |
223 | ||
85091b71 CC |
224 | /* |
225 | * This is the main structure, we can use it to store anything interesting | |
226 | * about the hotk device | |
227 | */ | |
50a90c4d | 228 | struct asus_laptop { |
be966660 | 229 | char *name; /* laptop name */ |
600ad520 | 230 | |
7c247645 | 231 | struct acpi_table_header *dsdt_info; |
600ad520 | 232 | struct platform_device *platform_device; |
7c247645 CC |
233 | struct acpi_device *device; /* the device we are in */ |
234 | struct backlight_device *backlight_device; | |
9129d14d | 235 | |
7c247645 | 236 | struct input_dev *inputdev; |
9129d14d CC |
237 | struct key_entry *keymap; |
238 | ||
aee0afb8 CC |
239 | struct asus_led mled; |
240 | struct asus_led tled; | |
241 | struct asus_led rled; | |
242 | struct asus_led pled; | |
243 | struct asus_led gled; | |
244 | struct asus_led kled; | |
245 | struct workqueue_struct *led_workqueue; | |
7c247645 | 246 | |
aa9df930 CC |
247 | int wireless_status; |
248 | bool have_rsts; | |
3e68ae7c | 249 | int lcd_state; |
aa9df930 | 250 | |
18e1311e CC |
251 | struct rfkill *gps_rfkill; |
252 | ||
be966660 | 253 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
254 | u32 ledd_status; /* status of the LED display */ |
255 | u8 light_level; /* light sensor level */ | |
256 | u8 light_switch; /* light sensor switch value */ | |
257 | u16 event_count[128]; /* count for each event TODO make this better */ | |
85091b71 CC |
258 | }; |
259 | ||
9129d14d | 260 | static const struct key_entry asus_keymap[] = { |
a539df5e | 261 | /* Lenovo SL Specific keycodes */ |
66a71dd1 CC |
262 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
263 | {KE_KEY, 0x05, { KEY_WLAN } }, | |
264 | {KE_KEY, 0x08, { KEY_F13 } }, | |
265 | {KE_KEY, 0x17, { KEY_ZOOM } }, | |
266 | {KE_KEY, 0x1f, { KEY_BATTERY } }, | |
a539df5e | 267 | /* End of Lenovo SL Specific keycodes */ |
66a71dd1 CC |
268 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, |
269 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, | |
270 | {KE_KEY, 0x32, { KEY_MUTE } }, | |
271 | {KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } }, | |
272 | {KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } }, | |
273 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, | |
274 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, | |
275 | {KE_KEY, 0x43, { KEY_STOPCD } }, | |
276 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, | |
277 | {KE_KEY, 0x4c, { KEY_MEDIA } }, | |
278 | {KE_KEY, 0x50, { KEY_EMAIL } }, | |
279 | {KE_KEY, 0x51, { KEY_WWW } }, | |
280 | {KE_KEY, 0x55, { KEY_CALC } }, | |
281 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ | |
282 | {KE_KEY, 0x5D, { KEY_WLAN } }, | |
283 | {KE_KEY, 0x5E, { KEY_WLAN } }, | |
284 | {KE_KEY, 0x5F, { KEY_WLAN } }, | |
285 | {KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, | |
286 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, | |
287 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, | |
288 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, | |
289 | {KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */ | |
7f607d71 CC |
290 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, |
291 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, | |
66a71dd1 CC |
292 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
293 | {KE_KEY, 0x88, { KEY_WLAN } }, | |
294 | {KE_KEY, 0x8A, { KEY_PROG1 } }, | |
295 | {KE_KEY, 0x95, { KEY_MEDIA } }, | |
296 | {KE_KEY, 0x99, { KEY_PHONE } }, | |
297 | {KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, | |
298 | {KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, | |
b58baecd | 299 | {KE_KEY, 0xb5, { KEY_CALC } }, |
034ce90a CC |
300 | {KE_END, 0}, |
301 | }; | |
302 | ||
66a71dd1 | 303 | |
85091b71 CC |
304 | /* |
305 | * This function evaluates an ACPI method, given an int as parameter, the | |
306 | * method is searched within the scope of the handle, can be NULL. The output | |
307 | * of the method is written is output, which can also be NULL | |
308 | * | |
f8d1c94b | 309 | * returns 0 if write is successful, -1 else. |
85091b71 | 310 | */ |
d8c67323 CC |
311 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
312 | struct acpi_buffer *output) | |
85091b71 | 313 | { |
be966660 CC |
314 | struct acpi_object_list params; /* list of input parameters (an int) */ |
315 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
316 | acpi_status status; |
317 | ||
f8d1c94b | 318 | if (!handle) |
9fb866f3 | 319 | return -1; |
f8d1c94b | 320 | |
85091b71 CC |
321 | params.count = 1; |
322 | params.pointer = &in_obj; | |
323 | in_obj.type = ACPI_TYPE_INTEGER; | |
324 | in_obj.integer.value = val; | |
325 | ||
326 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
327 | if (status == AE_OK) |
328 | return 0; | |
329 | else | |
330 | return -1; | |
85091b71 CC |
331 | } |
332 | ||
d8c67323 CC |
333 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
334 | { | |
335 | return write_acpi_int_ret(handle, method, val, NULL); | |
336 | } | |
337 | ||
d99b577c CC |
338 | static int acpi_check_handle(acpi_handle handle, const char *method, |
339 | acpi_handle *ret) | |
340 | { | |
341 | acpi_status status; | |
342 | ||
343 | if (method == NULL) | |
344 | return -ENODEV; | |
345 | ||
346 | if (ret) | |
347 | status = acpi_get_handle(handle, (char *)method, | |
348 | ret); | |
349 | else { | |
350 | acpi_handle dummy; | |
351 | ||
352 | status = acpi_get_handle(handle, (char *)method, | |
353 | &dummy); | |
354 | } | |
355 | ||
356 | if (status != AE_OK) { | |
357 | if (ret) | |
358 | pr_warning("Error finding %s\n", method); | |
359 | return -ENODEV; | |
360 | } | |
361 | return 0; | |
362 | } | |
363 | ||
17e78f62 | 364 | /* Generic LED function */ |
aee0afb8 | 365 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
17e78f62 | 366 | int value) |
be18cdab | 367 | { |
d99b577c | 368 | if (!strcmp(method, METHOD_MLED)) |
17e78f62 | 369 | value = !value; |
d99b577c | 370 | else if (!strcmp(method, METHOD_GLED)) |
17e78f62 CC |
371 | value = !value + 1; |
372 | else | |
373 | value = !!value; | |
be18cdab | 374 | |
e5593bf1 | 375 | return write_acpi_int(asus->handle, method, value); |
be18cdab CC |
376 | } |
377 | ||
be4ee82d CC |
378 | /* |
379 | * LEDs | |
380 | */ | |
be18cdab | 381 | /* /sys/class/led handlers */ |
aee0afb8 CC |
382 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
383 | enum led_brightness value) | |
384 | { | |
385 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); | |
386 | struct asus_laptop *asus = led->asus; | |
387 | ||
388 | led->wk = !!value; | |
389 | queue_work(asus->led_workqueue, &led->work); | |
390 | } | |
be18cdab | 391 | |
aee0afb8 CC |
392 | static void asus_led_cdev_update(struct work_struct *work) |
393 | { | |
394 | struct asus_led *led = container_of(work, struct asus_led, work); | |
395 | struct asus_laptop *asus = led->asus; | |
396 | ||
397 | asus_led_set(asus, led->method, led->wk); | |
398 | } | |
399 | ||
400 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) | |
401 | { | |
402 | return led_cdev->brightness; | |
403 | } | |
be18cdab | 404 | |
b7d3fbc2 | 405 | /* |
be4ee82d | 406 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 407 | */ |
d99b577c | 408 | static int asus_kled_lvl(struct asus_laptop *asus) |
b7d3fbc2 CC |
409 | { |
410 | unsigned long long kblv; | |
411 | struct acpi_object_list params; | |
412 | union acpi_object in_obj; | |
413 | acpi_status rv; | |
414 | ||
415 | params.count = 1; | |
416 | params.pointer = &in_obj; | |
417 | in_obj.type = ACPI_TYPE_INTEGER; | |
418 | in_obj.integer.value = 2; | |
419 | ||
d99b577c CC |
420 | rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET, |
421 | ¶ms, &kblv); | |
b7d3fbc2 CC |
422 | if (ACPI_FAILURE(rv)) { |
423 | pr_warning("Error reading kled level\n"); | |
4d441513 | 424 | return -ENODEV; |
b7d3fbc2 CC |
425 | } |
426 | return kblv; | |
427 | } | |
428 | ||
4d441513 | 429 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
430 | { |
431 | if (kblv > 0) | |
432 | kblv = (1 << 7) | (kblv & 0x7F); | |
433 | else | |
434 | kblv = 0; | |
435 | ||
d99b577c | 436 | if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) { |
b7d3fbc2 CC |
437 | pr_warning("Keyboard LED display write failed\n"); |
438 | return -EINVAL; | |
439 | } | |
440 | return 0; | |
441 | } | |
442 | ||
aee0afb8 CC |
443 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
444 | enum led_brightness value) | |
b7d3fbc2 | 445 | { |
aee0afb8 CC |
446 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
447 | struct asus_laptop *asus = led->asus; | |
9129d14d | 448 | |
060cbce6 | 449 | led->wk = value; |
aee0afb8 | 450 | queue_work(asus->led_workqueue, &led->work); |
b7d3fbc2 CC |
451 | } |
452 | ||
aee0afb8 | 453 | static void asus_kled_cdev_update(struct work_struct *work) |
b7d3fbc2 | 454 | { |
aee0afb8 CC |
455 | struct asus_led *led = container_of(work, struct asus_led, work); |
456 | struct asus_laptop *asus = led->asus; | |
9129d14d | 457 | |
aee0afb8 | 458 | asus_kled_set(asus, led->wk); |
b7d3fbc2 CC |
459 | } |
460 | ||
aee0afb8 | 461 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
b7d3fbc2 | 462 | { |
aee0afb8 CC |
463 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
464 | struct asus_laptop *asus = led->asus; | |
d99b577c CC |
465 | |
466 | return asus_kled_lvl(asus); | |
b7d3fbc2 CC |
467 | } |
468 | ||
be4ee82d CC |
469 | static void asus_led_exit(struct asus_laptop *asus) |
470 | { | |
aee0afb8 CC |
471 | if (asus->mled.led.dev) |
472 | led_classdev_unregister(&asus->mled.led); | |
473 | if (asus->tled.led.dev) | |
474 | led_classdev_unregister(&asus->tled.led); | |
475 | if (asus->pled.led.dev) | |
476 | led_classdev_unregister(&asus->pled.led); | |
477 | if (asus->rled.led.dev) | |
478 | led_classdev_unregister(&asus->rled.led); | |
479 | if (asus->gled.led.dev) | |
480 | led_classdev_unregister(&asus->gled.led); | |
481 | if (asus->kled.led.dev) | |
482 | led_classdev_unregister(&asus->kled.led); | |
483 | if (asus->led_workqueue) { | |
484 | destroy_workqueue(asus->led_workqueue); | |
485 | asus->led_workqueue = NULL; | |
be4ee82d CC |
486 | } |
487 | } | |
488 | ||
489 | /* Ugly macro, need to fix that later */ | |
aee0afb8 CC |
490 | static int asus_led_register(struct asus_laptop *asus, |
491 | struct asus_led *led, | |
492 | const char *name, const char *method) | |
493 | { | |
494 | struct led_classdev *led_cdev = &led->led; | |
495 | ||
496 | if (!method || acpi_check_handle(asus->handle, method, NULL)) | |
060cbce6 | 497 | return 0; /* Led not present */ |
aee0afb8 CC |
498 | |
499 | led->asus = asus; | |
500 | led->method = method; | |
501 | ||
502 | INIT_WORK(&led->work, asus_led_cdev_update); | |
503 | led_cdev->name = name; | |
504 | led_cdev->brightness_set = asus_led_cdev_set; | |
505 | led_cdev->brightness_get = asus_led_cdev_get; | |
506 | led_cdev->max_brightness = 1; | |
507 | return led_classdev_register(&asus->platform_device->dev, led_cdev); | |
508 | } | |
be4ee82d CC |
509 | |
510 | static int asus_led_init(struct asus_laptop *asus) | |
511 | { | |
aee0afb8 | 512 | int r; |
be4ee82d CC |
513 | |
514 | /* | |
515 | * Functions that actually update the LED's are called from a | |
516 | * workqueue. By doing this as separate work rather than when the LED | |
517 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
518 | * potentially bad time, such as a timer interrupt. | |
519 | */ | |
aee0afb8 CC |
520 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); |
521 | if (!asus->led_workqueue) | |
be4ee82d CC |
522 | return -ENOMEM; |
523 | ||
aee0afb8 CC |
524 | r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED); |
525 | if (r) | |
526 | goto error; | |
527 | r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED); | |
528 | if (r) | |
529 | goto error; | |
530 | r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED); | |
531 | if (r) | |
532 | goto error; | |
533 | r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED); | |
534 | if (r) | |
535 | goto error; | |
536 | r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED); | |
537 | if (r) | |
538 | goto error; | |
d99b577c | 539 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
aee0afb8 CC |
540 | !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
541 | struct asus_led *led = &asus->kled; | |
542 | struct led_classdev *cdev = &led->led; | |
543 | ||
544 | led->asus = asus; | |
545 | ||
546 | INIT_WORK(&led->work, asus_kled_cdev_update); | |
547 | cdev->name = "asus::kbd_backlight"; | |
548 | cdev->brightness_set = asus_kled_cdev_set; | |
549 | cdev->brightness_get = asus_kled_cdev_get; | |
550 | cdev->max_brightness = 3; | |
551 | r = led_classdev_register(&asus->platform_device->dev, cdev); | |
552 | } | |
be4ee82d | 553 | error: |
aee0afb8 | 554 | if (r) |
be4ee82d | 555 | asus_led_exit(asus); |
aee0afb8 | 556 | return r; |
be4ee82d CC |
557 | } |
558 | ||
559 | /* | |
560 | * Backlight device | |
561 | */ | |
3e68ae7c | 562 | static int asus_lcd_status(struct asus_laptop *asus) |
6b7091e7 | 563 | { |
3e68ae7c | 564 | return asus->lcd_state; |
6b7091e7 CC |
565 | } |
566 | ||
3e68ae7c | 567 | static int asus_lcd_set(struct asus_laptop *asus, int value) |
6b7091e7 CC |
568 | { |
569 | int lcd = 0; | |
570 | acpi_status status = 0; | |
571 | ||
3e68ae7c | 572 | lcd = !!value; |
6b7091e7 | 573 | |
3e68ae7c | 574 | if (lcd == asus_lcd_status(asus)) |
6b7091e7 CC |
575 | return 0; |
576 | ||
3e68ae7c CC |
577 | if (!lcd_switch_handle) |
578 | return -ENODEV; | |
579 | ||
580 | status = acpi_evaluate_object(lcd_switch_handle, | |
581 | NULL, NULL, NULL); | |
6b7091e7 | 582 | |
3e68ae7c CC |
583 | if (ACPI_FAILURE(status)) { |
584 | pr_warning("Error switching LCD\n"); | |
585 | return -ENODEV; | |
6b7091e7 CC |
586 | } |
587 | ||
3e68ae7c | 588 | asus->lcd_state = lcd; |
6b7091e7 CC |
589 | return 0; |
590 | } | |
591 | ||
9129d14d | 592 | static void lcd_blank(struct asus_laptop *asus, int blank) |
6b7091e7 | 593 | { |
7c247645 | 594 | struct backlight_device *bd = asus->backlight_device; |
6b7091e7 | 595 | |
3e68ae7c CC |
596 | asus->lcd_state = (blank == FB_BLANK_UNBLANK); |
597 | ||
8def05fa | 598 | if (bd) { |
599a52d1 | 599 | bd->props.power = blank; |
28ee086d | 600 | backlight_update_status(bd); |
6b7091e7 CC |
601 | } |
602 | } | |
603 | ||
4d441513 | 604 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 605 | { |
d99b577c | 606 | struct asus_laptop *asus = bl_get_data(bd); |
27663c58 | 607 | unsigned long long value; |
9a816850 | 608 | acpi_status rv = AE_OK; |
6b7091e7 | 609 | |
d99b577c CC |
610 | rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET, |
611 | NULL, &value); | |
9a816850 | 612 | if (ACPI_FAILURE(rv)) |
2fcc23da | 613 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
614 | |
615 | return value; | |
616 | } | |
617 | ||
4d441513 | 618 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 619 | { |
d99b577c CC |
620 | struct asus_laptop *asus = bl_get_data(bd); |
621 | ||
622 | if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) { | |
2fcc23da | 623 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 624 | return -EIO; |
6b7091e7 | 625 | } |
e5b50f6a | 626 | return 0; |
6b7091e7 CC |
627 | } |
628 | ||
629 | static int update_bl_status(struct backlight_device *bd) | |
630 | { | |
9129d14d | 631 | struct asus_laptop *asus = bl_get_data(bd); |
6b7091e7 | 632 | int rv; |
599a52d1 | 633 | int value = bd->props.brightness; |
6b7091e7 | 634 | |
4d441513 | 635 | rv = asus_set_brightness(bd, value); |
8def05fa | 636 | if (rv) |
6b7091e7 CC |
637 | return rv; |
638 | ||
599a52d1 | 639 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
3e68ae7c | 640 | return asus_lcd_set(asus, value); |
6b7091e7 CC |
641 | } |
642 | ||
be4ee82d | 643 | static struct backlight_ops asusbl_ops = { |
4d441513 | 644 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
645 | .update_status = update_bl_status, |
646 | }; | |
647 | ||
a539df5e CC |
648 | static int asus_backlight_notify(struct asus_laptop *asus) |
649 | { | |
650 | struct backlight_device *bd = asus->backlight_device; | |
651 | int old = bd->props.brightness; | |
652 | ||
653 | backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); | |
654 | ||
655 | return old; | |
656 | } | |
657 | ||
be4ee82d CC |
658 | static int asus_backlight_init(struct asus_laptop *asus) |
659 | { | |
660 | struct backlight_device *bd; | |
a19a6ee6 | 661 | struct backlight_properties props; |
be4ee82d | 662 | |
71e687dc CC |
663 | if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) || |
664 | acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) || | |
665 | !lcd_switch_handle) | |
666 | return 0; | |
be4ee82d | 667 | |
71e687dc CC |
668 | memset(&props, 0, sizeof(struct backlight_properties)); |
669 | props.max_brightness = 15; | |
be4ee82d | 670 | |
71e687dc CC |
671 | bd = backlight_device_register(ASUS_LAPTOP_FILE, |
672 | &asus->platform_device->dev, asus, | |
673 | &asusbl_ops, &props); | |
674 | if (IS_ERR(bd)) { | |
675 | pr_err("Could not register asus backlight device\n"); | |
676 | asus->backlight_device = NULL; | |
677 | return PTR_ERR(bd); | |
be4ee82d | 678 | } |
71e687dc CC |
679 | |
680 | asus->backlight_device = bd; | |
681 | bd->props.brightness = asus_read_brightness(bd); | |
682 | bd->props.power = FB_BLANK_UNBLANK; | |
683 | backlight_update_status(bd); | |
be4ee82d CC |
684 | return 0; |
685 | } | |
686 | ||
687 | static void asus_backlight_exit(struct asus_laptop *asus) | |
688 | { | |
689 | if (asus->backlight_device) | |
690 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 691 | asus->backlight_device = NULL; |
be4ee82d CC |
692 | } |
693 | ||
85091b71 CC |
694 | /* |
695 | * Platform device handlers | |
696 | */ | |
697 | ||
698 | /* | |
699 | * We write our info in page, we begin at offset off and cannot write more | |
700 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
701 | * number of bytes written in page | |
702 | */ | |
703 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 704 | struct device_attribute *attr, char *page) |
85091b71 | 705 | { |
9129d14d | 706 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 707 | int len = 0; |
27663c58 | 708 | unsigned long long temp; |
be966660 | 709 | char buf[16]; /* enough for all info */ |
9a816850 CC |
710 | acpi_status rv = AE_OK; |
711 | ||
85091b71 | 712 | /* |
060cbce6 CC |
713 | * We use the easy way, we don't care of off and count, |
714 | * so we don't set eof to 1 | |
85091b71 CC |
715 | */ |
716 | ||
50a90c4d CC |
717 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
718 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
719 | /* |
720 | * The SFUN method probably allows the original driver to get the list | |
721 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
722 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
723 | * The significance of others is yet to be found. | |
724 | */ | |
50a90c4d | 725 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 726 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
727 | len += sprintf(page + len, "SFUN value : %#x\n", |
728 | (uint) temp); | |
729 | /* | |
730 | * The HWRS method return informations about the hardware. | |
731 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
732 | * The significance of others is yet to be found. | |
733 | * If we don't find the method, we assume the device are present. | |
734 | */ | |
50a90c4d | 735 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
736 | if (!ACPI_FAILURE(rv)) |
737 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 738 | (uint) temp); |
85091b71 CC |
739 | /* |
740 | * Another value for userspace: the ASYM method returns 0x02 for | |
741 | * battery low and 0x04 for battery critical, its readings tend to be | |
742 | * more accurate than those provided by _BST. | |
743 | * Note: since not all the laptops provide this method, errors are | |
744 | * silently ignored. | |
745 | */ | |
50a90c4d | 746 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 747 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 748 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 749 | (uint) temp); |
7c247645 CC |
750 | if (asus->dsdt_info) { |
751 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 752 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 753 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 754 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 755 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 756 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 757 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 758 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 759 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 760 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 761 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 762 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 763 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 764 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 765 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
766 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
767 | } | |
768 | ||
769 | return len; | |
770 | } | |
771 | ||
772 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
773 | { | |
774 | if (!count) | |
775 | return 0; | |
776 | if (count > 31) | |
777 | return -EINVAL; | |
778 | if (sscanf(buf, "%i", val) != 1) | |
779 | return -EINVAL; | |
780 | return count; | |
781 | } | |
782 | ||
17e78f62 CC |
783 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
784 | const char *buf, size_t count, | |
d99b577c | 785 | const char *method) |
4564de17 CC |
786 | { |
787 | int rv, value; | |
788 | int out = 0; | |
789 | ||
790 | rv = parse_arg(buf, count, &value); | |
791 | if (rv > 0) | |
792 | out = value ? 1 : 0; | |
793 | ||
d99b577c | 794 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 795 | return -ENODEV; |
4564de17 CC |
796 | return rv; |
797 | } | |
798 | ||
722ad971 CC |
799 | /* |
800 | * LEDD display | |
801 | */ | |
802 | static ssize_t show_ledd(struct device *dev, | |
803 | struct device_attribute *attr, char *buf) | |
804 | { | |
9129d14d CC |
805 | struct asus_laptop *asus = dev_get_drvdata(dev); |
806 | ||
50a90c4d | 807 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
808 | } |
809 | ||
810 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
811 | const char *buf, size_t count) | |
812 | { | |
9129d14d | 813 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
814 | int rv, value; |
815 | ||
816 | rv = parse_arg(buf, count, &value); | |
817 | if (rv > 0) { | |
6a984a06 | 818 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) { |
2fcc23da | 819 | pr_warning("LED display write failed\n"); |
6a984a06 AL |
820 | return -ENODEV; |
821 | } | |
822 | asus->ledd_status = (u32) value; | |
722ad971 CC |
823 | } |
824 | return rv; | |
825 | } | |
826 | ||
aa9df930 CC |
827 | /* |
828 | * Wireless | |
829 | */ | |
830 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
831 | { | |
832 | unsigned long long status; | |
833 | acpi_status rv = AE_OK; | |
834 | ||
835 | if (!asus->have_rsts) | |
836 | return (asus->wireless_status & mask) ? 1 : 0; | |
837 | ||
d99b577c CC |
838 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
839 | NULL, &status); | |
aa9df930 CC |
840 | if (ACPI_FAILURE(rv)) { |
841 | pr_warning("Error reading Wireless status\n"); | |
842 | return -EINVAL; | |
843 | } | |
844 | return !!(status & mask); | |
845 | } | |
846 | ||
4564de17 CC |
847 | /* |
848 | * WLAN | |
849 | */ | |
e5593bf1 CC |
850 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
851 | { | |
852 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
853 | pr_warning("Error setting wlan status to %d", status); | |
854 | return -EIO; | |
855 | } | |
856 | return 0; | |
857 | } | |
858 | ||
4564de17 CC |
859 | static ssize_t show_wlan(struct device *dev, |
860 | struct device_attribute *attr, char *buf) | |
861 | { | |
9129d14d CC |
862 | struct asus_laptop *asus = dev_get_drvdata(dev); |
863 | ||
17e78f62 | 864 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
865 | } |
866 | ||
867 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
868 | const char *buf, size_t count) | |
869 | { | |
9129d14d CC |
870 | struct asus_laptop *asus = dev_get_drvdata(dev); |
871 | ||
d99b577c | 872 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
873 | } |
874 | ||
875 | /* | |
876 | * Bluetooth | |
877 | */ | |
e5593bf1 CC |
878 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
879 | { | |
880 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
881 | pr_warning("Error setting bluetooth status to %d", status); | |
882 | return -EIO; | |
883 | } | |
884 | return 0; | |
885 | } | |
886 | ||
4564de17 CC |
887 | static ssize_t show_bluetooth(struct device *dev, |
888 | struct device_attribute *attr, char *buf) | |
889 | { | |
9129d14d CC |
890 | struct asus_laptop *asus = dev_get_drvdata(dev); |
891 | ||
17e78f62 | 892 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
893 | } |
894 | ||
8def05fa LB |
895 | static ssize_t store_bluetooth(struct device *dev, |
896 | struct device_attribute *attr, const char *buf, | |
897 | size_t count) | |
4564de17 | 898 | { |
9129d14d CC |
899 | struct asus_laptop *asus = dev_get_drvdata(dev); |
900 | ||
d99b577c | 901 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
902 | } |
903 | ||
ba1ff5be CC |
904 | /* |
905 | * Wimax | |
906 | */ | |
907 | static int asus_wimax_set(struct asus_laptop *asus, int status) | |
908 | { | |
909 | if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) { | |
910 | pr_warning("Error setting wimax status to %d", status); | |
911 | return -EIO; | |
912 | } | |
913 | return 0; | |
914 | } | |
915 | ||
916 | static ssize_t show_wimax(struct device *dev, | |
917 | struct device_attribute *attr, char *buf) | |
918 | { | |
919 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
920 | ||
921 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS)); | |
922 | } | |
923 | ||
924 | static ssize_t store_wimax(struct device *dev, | |
925 | struct device_attribute *attr, const char *buf, | |
926 | size_t count) | |
927 | { | |
928 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
929 | ||
930 | return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX); | |
931 | } | |
932 | ||
933 | /* | |
934 | * Wwan | |
935 | */ | |
936 | static int asus_wwan_set(struct asus_laptop *asus, int status) | |
937 | { | |
938 | if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) { | |
939 | pr_warning("Error setting wwan status to %d", status); | |
940 | return -EIO; | |
941 | } | |
942 | return 0; | |
943 | } | |
944 | ||
945 | static ssize_t show_wwan(struct device *dev, | |
946 | struct device_attribute *attr, char *buf) | |
947 | { | |
948 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
949 | ||
950 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS)); | |
951 | } | |
952 | ||
953 | static ssize_t store_wwan(struct device *dev, | |
954 | struct device_attribute *attr, const char *buf, | |
955 | size_t count) | |
956 | { | |
957 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
958 | ||
959 | return sysfs_acpi_set(asus, buf, count, METHOD_WWAN); | |
960 | } | |
961 | ||
78127b4a CC |
962 | /* |
963 | * Display | |
964 | */ | |
4d441513 | 965 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
966 | { |
967 | /* no sanity check needed for now */ | |
d99b577c | 968 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 969 | pr_warning("Error setting display\n"); |
78127b4a CC |
970 | return; |
971 | } | |
972 | ||
9129d14d | 973 | static int read_display(struct asus_laptop *asus) |
78127b4a | 974 | { |
27663c58 | 975 | unsigned long long value = 0; |
9a816850 | 976 | acpi_status rv = AE_OK; |
78127b4a | 977 | |
be966660 CC |
978 | /* |
979 | * In most of the case, we know how to set the display, but sometime | |
980 | * we can't read it | |
981 | */ | |
8def05fa | 982 | if (display_get_handle) { |
9a816850 CC |
983 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
984 | NULL, &value); | |
985 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 986 | pr_warning("Error reading display status\n"); |
78127b4a CC |
987 | } |
988 | ||
060cbce6 | 989 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ |
78127b4a CC |
990 | |
991 | return value; | |
992 | } | |
8def05fa | 993 | |
78127b4a CC |
994 | /* |
995 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
996 | * complained. The significance of bits is the same as in store_disp() | |
997 | */ | |
998 | static ssize_t show_disp(struct device *dev, | |
999 | struct device_attribute *attr, char *buf) | |
1000 | { | |
9129d14d CC |
1001 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1002 | ||
2a1fd64c CC |
1003 | if (!display_get_handle) |
1004 | return -ENODEV; | |
9129d14d | 1005 | return sprintf(buf, "%d\n", read_display(asus)); |
78127b4a CC |
1006 | } |
1007 | ||
1008 | /* | |
1009 | * Experimental support for display switching. As of now: 1 should activate | |
1010 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
1011 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
1012 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
1013 | * for more info. | |
1014 | */ | |
1015 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
1016 | const char *buf, size_t count) | |
1017 | { | |
9129d14d | 1018 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
1019 | int rv, value; |
1020 | ||
1021 | rv = parse_arg(buf, count, &value); | |
1022 | if (rv > 0) | |
4d441513 | 1023 | asus_set_display(asus, value); |
78127b4a CC |
1024 | return rv; |
1025 | } | |
1026 | ||
8b857353 CC |
1027 | /* |
1028 | * Light Sens | |
1029 | */ | |
4d441513 | 1030 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 1031 | { |
d99b577c | 1032 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 1033 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 1034 | asus->light_switch = value; |
8b857353 CC |
1035 | } |
1036 | ||
1037 | static ssize_t show_lssw(struct device *dev, | |
1038 | struct device_attribute *attr, char *buf) | |
1039 | { | |
9129d14d CC |
1040 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1041 | ||
50a90c4d | 1042 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
1043 | } |
1044 | ||
1045 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
1046 | const char *buf, size_t count) | |
1047 | { | |
9129d14d | 1048 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
1049 | int rv, value; |
1050 | ||
1051 | rv = parse_arg(buf, count, &value); | |
1052 | if (rv > 0) | |
4d441513 | 1053 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
1054 | |
1055 | return rv; | |
1056 | } | |
1057 | ||
4d441513 | 1058 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 1059 | { |
d99b577c | 1060 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 1061 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 1062 | asus->light_level = value; |
8b857353 CC |
1063 | } |
1064 | ||
1065 | static ssize_t show_lslvl(struct device *dev, | |
1066 | struct device_attribute *attr, char *buf) | |
1067 | { | |
9129d14d CC |
1068 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1069 | ||
50a90c4d | 1070 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
1071 | } |
1072 | ||
1073 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
1074 | const char *buf, size_t count) | |
1075 | { | |
9129d14d | 1076 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
1077 | int rv, value; |
1078 | ||
1079 | rv = parse_arg(buf, count, &value); | |
1080 | if (rv > 0) { | |
1081 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
1082 | /* 0 <= value <= 15 */ | |
4d441513 | 1083 | asus_als_level(asus, value); |
8b857353 CC |
1084 | } |
1085 | ||
1086 | return rv; | |
1087 | } | |
1088 | ||
e539c2f6 CC |
1089 | /* |
1090 | * GPS | |
1091 | */ | |
6358bf2c CC |
1092 | static int asus_gps_status(struct asus_laptop *asus) |
1093 | { | |
1094 | unsigned long long status; | |
1095 | acpi_status rv = AE_OK; | |
1096 | ||
d99b577c CC |
1097 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
1098 | NULL, &status); | |
6358bf2c CC |
1099 | if (ACPI_FAILURE(rv)) { |
1100 | pr_warning("Error reading GPS status\n"); | |
1101 | return -ENODEV; | |
1102 | } | |
1103 | return !!status; | |
1104 | } | |
1105 | ||
1106 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
1107 | { | |
d99b577c | 1108 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 1109 | |
d99b577c | 1110 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
1111 | return -ENODEV; |
1112 | return 0; | |
1113 | } | |
1114 | ||
e539c2f6 CC |
1115 | static ssize_t show_gps(struct device *dev, |
1116 | struct device_attribute *attr, char *buf) | |
1117 | { | |
9129d14d CC |
1118 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1119 | ||
6358bf2c | 1120 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1121 | } |
1122 | ||
1123 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1124 | const char *buf, size_t count) | |
1125 | { | |
060cbce6 | 1126 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1127 | int rv, value; |
1128 | int ret; | |
9129d14d | 1129 | |
6358bf2c CC |
1130 | rv = parse_arg(buf, count, &value); |
1131 | if (rv <= 0) | |
1132 | return -EINVAL; | |
1133 | ret = asus_gps_switch(asus, !!value); | |
1134 | if (ret) | |
1135 | return ret; | |
18e1311e | 1136 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1137 | return rv; |
e539c2f6 CC |
1138 | } |
1139 | ||
18e1311e CC |
1140 | /* |
1141 | * rfkill | |
1142 | */ | |
1143 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1144 | { | |
23f45c3a | 1145 | struct asus_laptop *asus = data; |
18e1311e | 1146 | |
23f45c3a | 1147 | return asus_gps_switch(asus, !blocked); |
18e1311e CC |
1148 | } |
1149 | ||
1150 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1151 | .set_block = asus_gps_rfkill_set, | |
1152 | }; | |
1153 | ||
1154 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1155 | { | |
1156 | if (asus->gps_rfkill) { | |
1157 | rfkill_unregister(asus->gps_rfkill); | |
1158 | rfkill_destroy(asus->gps_rfkill); | |
1159 | asus->gps_rfkill = NULL; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1164 | { | |
1165 | int result; | |
1166 | ||
1167 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1168 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1169 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1170 | return 0; | |
1171 | ||
1172 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1173 | RFKILL_TYPE_GPS, | |
23f45c3a | 1174 | &asus_gps_rfkill_ops, asus); |
18e1311e CC |
1175 | if (!asus->gps_rfkill) |
1176 | return -EINVAL; | |
1177 | ||
1178 | result = rfkill_register(asus->gps_rfkill); | |
1179 | if (result) { | |
1180 | rfkill_destroy(asus->gps_rfkill); | |
1181 | asus->gps_rfkill = NULL; | |
1182 | } | |
1183 | ||
1184 | return result; | |
1185 | } | |
1186 | ||
034ce90a | 1187 | /* |
be4ee82d | 1188 | * Input device (i.e. hotkeys) |
034ce90a | 1189 | */ |
be4ee82d CC |
1190 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1191 | { | |
66a71dd1 CC |
1192 | if (asus->inputdev) |
1193 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1194 | } |
1195 | ||
1196 | static int asus_input_init(struct asus_laptop *asus) | |
1197 | { | |
66a71dd1 CC |
1198 | struct input_dev *input; |
1199 | int error; | |
be4ee82d | 1200 | |
66a71dd1 CC |
1201 | input = input_allocate_device(); |
1202 | if (!input) { | |
be4ee82d | 1203 | pr_info("Unable to allocate input device\n"); |
45036ae1 | 1204 | return -ENOMEM; |
be4ee82d | 1205 | } |
66a71dd1 CC |
1206 | input->name = "Asus Laptop extra buttons"; |
1207 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1208 | input->id.bustype = BUS_HOST; | |
1209 | input->dev.parent = &asus->platform_device->dev; | |
66a71dd1 CC |
1210 | |
1211 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1212 | if (error) { | |
1213 | pr_err("Unable to setup input device keymap\n"); | |
45036ae1 | 1214 | goto err_free_dev; |
be4ee82d | 1215 | } |
66a71dd1 CC |
1216 | error = input_register_device(input); |
1217 | if (error) { | |
be4ee82d | 1218 | pr_info("Unable to register input device\n"); |
45036ae1 | 1219 | goto err_free_keymap; |
be4ee82d | 1220 | } |
66a71dd1 CC |
1221 | |
1222 | asus->inputdev = input; | |
1223 | return 0; | |
1224 | ||
45036ae1 | 1225 | err_free_keymap: |
66a71dd1 | 1226 | sparse_keymap_free(input); |
45036ae1 | 1227 | err_free_dev: |
66a71dd1 CC |
1228 | input_free_device(input); |
1229 | return error; | |
be4ee82d CC |
1230 | } |
1231 | ||
1232 | static void asus_input_exit(struct asus_laptop *asus) | |
1233 | { | |
66a71dd1 CC |
1234 | if (asus->inputdev) { |
1235 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1236 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1237 | } |
71e687dc | 1238 | asus->inputdev = NULL; |
be4ee82d CC |
1239 | } |
1240 | ||
1241 | /* | |
1242 | * ACPI driver | |
1243 | */ | |
600ad520 | 1244 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1245 | { |
9129d14d | 1246 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1247 | u16 count; |
034ce90a | 1248 | |
6b7091e7 CC |
1249 | /* |
1250 | * We need to tell the backlight device when the backlight power is | |
1251 | * switched | |
1252 | */ | |
3e68ae7c | 1253 | if (event == ATKD_LCD_ON) |
9129d14d | 1254 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1255 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1256 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1257 | |
619d8b11 | 1258 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1259 | count = asus->event_count[event % 128]++; |
1260 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1261 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1262 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1263 | count); |
85091b71 | 1264 | |
a539df5e CC |
1265 | /* Brightness events are special */ |
1266 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1267 | ||
1268 | /* Ignore them completely if the acpi video driver is used */ | |
1269 | if (asus->backlight_device != NULL) { | |
1270 | /* Update the backlight device. */ | |
1271 | asus_backlight_notify(asus); | |
1272 | } | |
1273 | return ; | |
1274 | } | |
be4ee82d | 1275 | asus_input_notify(asus, event); |
85091b71 CC |
1276 | } |
1277 | ||
2a1fd64c CC |
1278 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1279 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
ac9b1e5b DT |
1280 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, |
1281 | show_bluetooth, store_bluetooth); | |
ba1ff5be CC |
1282 | static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax); |
1283 | static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan); | |
2a1fd64c CC |
1284 | static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); |
1285 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); | |
1286 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1287 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1288 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1289 | ||
ac9b1e5b DT |
1290 | static struct attribute *asus_attributes[] = { |
1291 | &dev_attr_infos.attr, | |
1292 | &dev_attr_wlan.attr, | |
1293 | &dev_attr_bluetooth.attr, | |
ba1ff5be CC |
1294 | &dev_attr_wimax.attr, |
1295 | &dev_attr_wwan.attr, | |
ac9b1e5b DT |
1296 | &dev_attr_display.attr, |
1297 | &dev_attr_ledd.attr, | |
1298 | &dev_attr_ls_level.attr, | |
1299 | &dev_attr_ls_switch.attr, | |
1300 | &dev_attr_gps.attr, | |
1301 | NULL | |
1302 | }; | |
2a1fd64c | 1303 | |
ac9b1e5b DT |
1304 | static mode_t asus_sysfs_is_visible(struct kobject *kobj, |
1305 | struct attribute *attr, | |
1306 | int idx) | |
2a1fd64c | 1307 | { |
ac9b1e5b DT |
1308 | struct device *dev = container_of(kobj, struct device, kobj); |
1309 | struct platform_device *pdev = to_platform_device(dev); | |
1310 | struct asus_laptop *asus = platform_get_drvdata(pdev); | |
1311 | acpi_handle handle = asus->handle; | |
1312 | bool supported; | |
1313 | ||
1314 | if (attr == &dev_attr_wlan.attr) { | |
1315 | supported = !acpi_check_handle(handle, METHOD_WLAN, NULL); | |
1316 | ||
1317 | } else if (attr == &dev_attr_bluetooth.attr) { | |
1318 | supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL); | |
1319 | ||
1320 | } else if (attr == &dev_attr_display.attr) { | |
1321 | supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL); | |
1322 | ||
ba1ff5be CC |
1323 | } else if (attr == &dev_attr_wimax.attr) { |
1324 | supported = | |
1325 | !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL); | |
1326 | ||
1327 | } else if (attr == &dev_attr_wwan.attr) { | |
1328 | supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL); | |
1329 | ||
ac9b1e5b DT |
1330 | } else if (attr == &dev_attr_ledd.attr) { |
1331 | supported = !acpi_check_handle(handle, METHOD_LEDD, NULL); | |
1332 | ||
1333 | } else if (attr == &dev_attr_ls_switch.attr || | |
1334 | attr == &dev_attr_ls_level.attr) { | |
1335 | supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) && | |
1336 | !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL); | |
1337 | ||
1338 | } else if (attr == &dev_attr_gps.attr) { | |
1339 | supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) && | |
1340 | !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) && | |
1341 | !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL); | |
1342 | } else { | |
1343 | supported = true; | |
2a1fd64c CC |
1344 | } |
1345 | ||
ac9b1e5b DT |
1346 | return supported ? attr->mode : 0; |
1347 | } | |
2a1fd64c | 1348 | |
2a1fd64c | 1349 | |
ac9b1e5b DT |
1350 | static const struct attribute_group asus_attr_group = { |
1351 | .is_visible = asus_sysfs_is_visible, | |
1352 | .attrs = asus_attributes, | |
1353 | }; | |
85091b71 | 1354 | |
9129d14d | 1355 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1356 | { |
71e687dc | 1357 | int result; |
600ad520 | 1358 | |
50a90c4d CC |
1359 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1360 | if (!asus->platform_device) | |
600ad520 | 1361 | return -ENOMEM; |
9129d14d | 1362 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1363 | |
71e687dc CC |
1364 | result = platform_device_add(asus->platform_device); |
1365 | if (result) | |
600ad520 CC |
1366 | goto fail_platform_device; |
1367 | ||
ac9b1e5b DT |
1368 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
1369 | &asus_attr_group); | |
71e687dc | 1370 | if (result) |
600ad520 | 1371 | goto fail_sysfs; |
ac9b1e5b | 1372 | |
600ad520 CC |
1373 | return 0; |
1374 | ||
1375 | fail_sysfs: | |
50a90c4d | 1376 | platform_device_del(asus->platform_device); |
600ad520 | 1377 | fail_platform_device: |
50a90c4d | 1378 | platform_device_put(asus->platform_device); |
71e687dc | 1379 | return result; |
600ad520 CC |
1380 | } |
1381 | ||
9129d14d | 1382 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1383 | { |
ac9b1e5b | 1384 | sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group); |
50a90c4d | 1385 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1386 | } |
1387 | ||
1388 | static struct platform_driver platform_driver = { | |
8def05fa | 1389 | .driver = { |
9129d14d CC |
1390 | .name = ASUS_LAPTOP_FILE, |
1391 | .owner = THIS_MODULE, | |
1392 | } | |
85091b71 CC |
1393 | }; |
1394 | ||
8def05fa | 1395 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1396 | char **paths, int num_paths) |
1397 | { | |
1398 | int i; | |
1399 | acpi_status status; | |
1400 | ||
1401 | for (i = 0; i < num_paths; i++) { | |
1402 | status = acpi_get_handle(NULL, paths[i], handle); | |
1403 | if (ACPI_SUCCESS(status)) | |
1404 | return 0; | |
1405 | } | |
1406 | ||
1407 | *handle = NULL; | |
1408 | return -ENODEV; | |
1409 | } | |
1410 | ||
1411 | #define ASUS_HANDLE_INIT(object) \ | |
1412 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1413 | ARRAY_SIZE(object##_paths)) | |
1414 | ||
85091b71 | 1415 | /* |
50a90c4d CC |
1416 | * This function is used to initialize the context with right values. In this |
1417 | * method, we can make all the detection we want, and modify the asus_laptop | |
1418 | * struct | |
85091b71 | 1419 | */ |
7c247645 | 1420 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1421 | { |
1422 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1423 | union acpi_object *model = NULL; |
27663c58 | 1424 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1425 | char *string = NULL; |
1426 | acpi_status status; | |
1427 | ||
1428 | /* | |
1429 | * Get DSDT headers early enough to allow for differentiating between | |
1430 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1431 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1432 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1433 | * HID), this bit will be moved. |
85091b71 | 1434 | */ |
7c247645 | 1435 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1436 | if (ACPI_FAILURE(status)) |
2fcc23da | 1437 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1438 | |
1439 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1440 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1441 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1442 | return -ENODEV; |
1443 | } | |
1444 | ||
1445 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1446 | status = |
50a90c4d | 1447 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1448 | if (ACPI_FAILURE(status)) |
2fcc23da | 1449 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1450 | else if (bsts_result) |
2fcc23da | 1451 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1452 | (uint) bsts_result); |
85091b71 | 1453 | |
185e5af9 | 1454 | /* This too ... */ |
e5593bf1 CC |
1455 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1456 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1457 | /* |
1458 | * Try to match the object returned by INIT to the specific model. | |
1459 | * Handle every possible object (or the lack of thereof) the DSDT | |
1460 | * writers might throw at us. When in trouble, we pass NULL to | |
1461 | * asus_model_match() and try something completely different. | |
1462 | */ | |
1463 | if (buffer.pointer) { | |
1464 | model = buffer.pointer; | |
1465 | switch (model->type) { | |
1466 | case ACPI_TYPE_STRING: | |
1467 | string = model->string.pointer; | |
1468 | break; | |
1469 | case ACPI_TYPE_BUFFER: | |
1470 | string = model->buffer.pointer; | |
1471 | break; | |
1472 | default: | |
1473 | string = ""; | |
1474 | break; | |
1475 | } | |
1476 | } | |
50a90c4d | 1477 | asus->name = kstrdup(string, GFP_KERNEL); |
d8eca110 AL |
1478 | if (!asus->name) { |
1479 | kfree(buffer.pointer); | |
85091b71 | 1480 | return -ENOMEM; |
d8eca110 | 1481 | } |
85091b71 | 1482 | |
8def05fa | 1483 | if (*string) |
2fcc23da | 1484 | pr_notice(" %s model detected\n", string); |
85091b71 | 1485 | |
4564de17 CC |
1486 | /* |
1487 | * The HWRS method return informations about the hardware. | |
ba1ff5be CC |
1488 | * 0x80 bit is for WLAN, 0x100 for Bluetooth, |
1489 | * 0x40 for WWAN, 0x10 for WIMAX. | |
4564de17 | 1490 | * The significance of others is yet to be found. |
4564de17 | 1491 | */ |
9a816850 | 1492 | status = |
50a90c4d | 1493 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1494 | if (!ACPI_FAILURE(status)) |
1495 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1496 | |
d99b577c | 1497 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1498 | asus->have_rsts = true; |
4564de17 | 1499 | |
d99b577c | 1500 | /* Scheduled for removal */ |
6b7091e7 | 1501 | ASUS_HANDLE_INIT(lcd_switch); |
78127b4a CC |
1502 | ASUS_HANDLE_INIT(display_get); |
1503 | ||
85091b71 CC |
1504 | kfree(model); |
1505 | ||
1506 | return AE_OK; | |
1507 | } | |
1508 | ||
9129d14d | 1509 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1510 | { |
600ad520 | 1511 | int result = 0; |
85091b71 | 1512 | |
50a90c4d | 1513 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1514 | if (result) |
85091b71 | 1515 | return result; |
50a90c4d | 1516 | if (!asus->device->status.present) { |
600ad520 | 1517 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1518 | return -ENODEV; |
1519 | } | |
1520 | ||
7c247645 | 1521 | result = asus_laptop_get_info(asus); |
034ce90a | 1522 | if (result) |
600ad520 | 1523 | return result; |
034ce90a | 1524 | |
600ad520 | 1525 | /* WLED and BLED are on by default */ |
be4ee82d | 1526 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1527 | asus_bluetooth_set(asus, !!bluetooth_status); |
1528 | ||
d0930a2d CC |
1529 | if (wlan_status >= 0) |
1530 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1531 | |
ba1ff5be CC |
1532 | if (wimax_status >= 0) |
1533 | asus_wimax_set(asus, !!wimax_status); | |
1534 | ||
1535 | if (wwan_status >= 0) | |
1536 | asus_wwan_set(asus, !!wwan_status); | |
1537 | ||
600ad520 | 1538 | /* Keyboard Backlight is on by default */ |
d99b577c | 1539 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1540 | asus_kled_set(asus, 1); |
600ad520 CC |
1541 | |
1542 | /* LED display is off by default */ | |
50a90c4d | 1543 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1544 | |
1545 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1546 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1547 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1548 | |
d99b577c CC |
1549 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1550 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1551 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1552 | asus_als_level(asus, asus->light_level); |
d99b577c | 1553 | } |
600ad520 | 1554 | |
47ee0e99 | 1555 | asus->lcd_state = 1; /* LCD should be on when the module load */ |
600ad520 CC |
1556 | return result; |
1557 | } | |
1558 | ||
71e687dc CC |
1559 | static bool asus_device_present; |
1560 | ||
600ad520 CC |
1561 | static int __devinit asus_acpi_add(struct acpi_device *device) |
1562 | { | |
9129d14d | 1563 | struct asus_laptop *asus; |
600ad520 CC |
1564 | int result; |
1565 | ||
1566 | pr_notice("Asus Laptop Support version %s\n", | |
1567 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1568 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1569 | if (!asus) | |
600ad520 | 1570 | return -ENOMEM; |
50a90c4d CC |
1571 | asus->handle = device->handle; |
1572 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1573 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1574 | device->driver_data = asus; | |
1575 | asus->device = device; | |
600ad520 | 1576 | |
9129d14d | 1577 | result = asus_acpi_init(asus); |
8def05fa | 1578 | if (result) |
600ad520 | 1579 | goto fail_platform; |
85091b71 | 1580 | |
600ad520 CC |
1581 | /* |
1582 | * Register the platform device first. It is used as a parent for the | |
1583 | * sub-devices below. | |
1584 | */ | |
9129d14d | 1585 | result = asus_platform_init(asus); |
116bf2e0 | 1586 | if (result) |
600ad520 | 1587 | goto fail_platform; |
116bf2e0 CC |
1588 | |
1589 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1590 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1591 | if (result) |
1592 | goto fail_backlight; | |
1593 | } else | |
600ad520 | 1594 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1595 | |
9129d14d | 1596 | result = asus_input_init(asus); |
600ad520 CC |
1597 | if (result) |
1598 | goto fail_input; | |
1599 | ||
9129d14d | 1600 | result = asus_led_init(asus); |
600ad520 CC |
1601 | if (result) |
1602 | goto fail_led; | |
1603 | ||
18e1311e CC |
1604 | result = asus_rfkill_init(asus); |
1605 | if (result) | |
1606 | goto fail_rfkill; | |
1607 | ||
600ad520 | 1608 | asus_device_present = true; |
8def05fa | 1609 | return 0; |
85091b71 | 1610 | |
18e1311e CC |
1611 | fail_rfkill: |
1612 | asus_led_exit(asus); | |
600ad520 | 1613 | fail_led: |
9129d14d | 1614 | asus_input_exit(asus); |
600ad520 | 1615 | fail_input: |
9129d14d | 1616 | asus_backlight_exit(asus); |
116bf2e0 | 1617 | fail_backlight: |
9129d14d | 1618 | asus_platform_exit(asus); |
600ad520 | 1619 | fail_platform: |
50a90c4d CC |
1620 | kfree(asus->name); |
1621 | kfree(asus); | |
116bf2e0 | 1622 | |
600ad520 CC |
1623 | return result; |
1624 | } | |
116bf2e0 | 1625 | |
600ad520 CC |
1626 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1627 | { | |
9129d14d CC |
1628 | struct asus_laptop *asus = acpi_driver_data(device); |
1629 | ||
1630 | asus_backlight_exit(asus); | |
18e1311e | 1631 | asus_rfkill_exit(asus); |
9129d14d CC |
1632 | asus_led_exit(asus); |
1633 | asus_input_exit(asus); | |
1634 | asus_platform_exit(asus); | |
600ad520 | 1635 | |
50a90c4d CC |
1636 | kfree(asus->name); |
1637 | kfree(asus); | |
600ad520 CC |
1638 | return 0; |
1639 | } | |
1640 | ||
1641 | static const struct acpi_device_id asus_device_ids[] = { | |
1642 | {"ATK0100", 0}, | |
1643 | {"ATK0101", 0}, | |
1644 | {"", 0}, | |
1645 | }; | |
1646 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1647 | |
600ad520 | 1648 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1649 | .name = ASUS_LAPTOP_NAME, |
1650 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1651 | .owner = THIS_MODULE, |
1652 | .ids = asus_device_ids, | |
1653 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1654 | .ops = { | |
1655 | .add = asus_acpi_add, | |
1656 | .remove = asus_acpi_remove, | |
1657 | .notify = asus_acpi_notify, | |
1658 | }, | |
1659 | }; | |
85091b71 | 1660 | |
600ad520 CC |
1661 | static int __init asus_laptop_init(void) |
1662 | { | |
1663 | int result; | |
85091b71 | 1664 | |
600ad520 CC |
1665 | result = platform_driver_register(&platform_driver); |
1666 | if (result < 0) | |
1667 | return result; | |
034ce90a | 1668 | |
600ad520 CC |
1669 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1670 | if (result < 0) | |
1671 | goto fail_acpi_driver; | |
1672 | if (!asus_device_present) { | |
1673 | result = -ENODEV; | |
1674 | goto fail_no_device; | |
1675 | } | |
1676 | return 0; | |
85091b71 | 1677 | |
600ad520 CC |
1678 | fail_no_device: |
1679 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1680 | fail_acpi_driver: | |
1681 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1682 | return result; |
1683 | } | |
1684 | ||
600ad520 CC |
1685 | static void __exit asus_laptop_exit(void) |
1686 | { | |
1687 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1688 | platform_driver_unregister(&platform_driver); | |
1689 | } | |
1690 | ||
85091b71 CC |
1691 | module_init(asus_laptop_init); |
1692 | module_exit(asus_laptop_exit); |