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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 | ||
acc2472e | 643 | static const 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; | |
bb7ca747 | 670 | props.type = BACKLIGHT_PLATFORM; |
be4ee82d | 671 | |
71e687dc CC |
672 | bd = backlight_device_register(ASUS_LAPTOP_FILE, |
673 | &asus->platform_device->dev, asus, | |
674 | &asusbl_ops, &props); | |
675 | if (IS_ERR(bd)) { | |
676 | pr_err("Could not register asus backlight device\n"); | |
677 | asus->backlight_device = NULL; | |
678 | return PTR_ERR(bd); | |
be4ee82d | 679 | } |
71e687dc CC |
680 | |
681 | asus->backlight_device = bd; | |
682 | bd->props.brightness = asus_read_brightness(bd); | |
683 | bd->props.power = FB_BLANK_UNBLANK; | |
684 | backlight_update_status(bd); | |
be4ee82d CC |
685 | return 0; |
686 | } | |
687 | ||
688 | static void asus_backlight_exit(struct asus_laptop *asus) | |
689 | { | |
690 | if (asus->backlight_device) | |
691 | backlight_device_unregister(asus->backlight_device); | |
a539df5e | 692 | asus->backlight_device = NULL; |
be4ee82d CC |
693 | } |
694 | ||
85091b71 CC |
695 | /* |
696 | * Platform device handlers | |
697 | */ | |
698 | ||
699 | /* | |
700 | * We write our info in page, we begin at offset off and cannot write more | |
701 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
702 | * number of bytes written in page | |
703 | */ | |
704 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 705 | struct device_attribute *attr, char *page) |
85091b71 | 706 | { |
9129d14d | 707 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 708 | int len = 0; |
27663c58 | 709 | unsigned long long temp; |
be966660 | 710 | char buf[16]; /* enough for all info */ |
9a816850 CC |
711 | acpi_status rv = AE_OK; |
712 | ||
85091b71 | 713 | /* |
060cbce6 CC |
714 | * We use the easy way, we don't care of off and count, |
715 | * so we don't set eof to 1 | |
85091b71 CC |
716 | */ |
717 | ||
50a90c4d CC |
718 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
719 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
720 | /* |
721 | * The SFUN method probably allows the original driver to get the list | |
722 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
723 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
724 | * The significance of others is yet to be found. | |
725 | */ | |
50a90c4d | 726 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 727 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
728 | len += sprintf(page + len, "SFUN value : %#x\n", |
729 | (uint) temp); | |
730 | /* | |
731 | * The HWRS method return informations about the hardware. | |
732 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
733 | * The significance of others is yet to be found. | |
734 | * If we don't find the method, we assume the device are present. | |
735 | */ | |
50a90c4d | 736 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
737 | if (!ACPI_FAILURE(rv)) |
738 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 739 | (uint) temp); |
85091b71 CC |
740 | /* |
741 | * Another value for userspace: the ASYM method returns 0x02 for | |
742 | * battery low and 0x04 for battery critical, its readings tend to be | |
743 | * more accurate than those provided by _BST. | |
744 | * Note: since not all the laptops provide this method, errors are | |
745 | * silently ignored. | |
746 | */ | |
50a90c4d | 747 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 748 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 749 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 750 | (uint) temp); |
7c247645 CC |
751 | if (asus->dsdt_info) { |
752 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 753 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 754 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 755 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 756 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 757 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 758 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 759 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 760 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 761 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 762 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 763 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 764 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 765 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 766 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
767 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
768 | } | |
769 | ||
770 | return len; | |
771 | } | |
772 | ||
773 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
774 | { | |
775 | if (!count) | |
776 | return 0; | |
777 | if (count > 31) | |
778 | return -EINVAL; | |
779 | if (sscanf(buf, "%i", val) != 1) | |
780 | return -EINVAL; | |
781 | return count; | |
782 | } | |
783 | ||
17e78f62 CC |
784 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
785 | const char *buf, size_t count, | |
d99b577c | 786 | const char *method) |
4564de17 CC |
787 | { |
788 | int rv, value; | |
789 | int out = 0; | |
790 | ||
791 | rv = parse_arg(buf, count, &value); | |
792 | if (rv > 0) | |
793 | out = value ? 1 : 0; | |
794 | ||
d99b577c | 795 | if (write_acpi_int(asus->handle, method, value)) |
17e78f62 | 796 | return -ENODEV; |
4564de17 CC |
797 | return rv; |
798 | } | |
799 | ||
722ad971 CC |
800 | /* |
801 | * LEDD display | |
802 | */ | |
803 | static ssize_t show_ledd(struct device *dev, | |
804 | struct device_attribute *attr, char *buf) | |
805 | { | |
9129d14d CC |
806 | struct asus_laptop *asus = dev_get_drvdata(dev); |
807 | ||
50a90c4d | 808 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
809 | } |
810 | ||
811 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
812 | const char *buf, size_t count) | |
813 | { | |
9129d14d | 814 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
815 | int rv, value; |
816 | ||
817 | rv = parse_arg(buf, count, &value); | |
818 | if (rv > 0) { | |
6a984a06 | 819 | if (write_acpi_int(asus->handle, METHOD_LEDD, value)) { |
2fcc23da | 820 | pr_warning("LED display write failed\n"); |
6a984a06 AL |
821 | return -ENODEV; |
822 | } | |
823 | asus->ledd_status = (u32) value; | |
722ad971 CC |
824 | } |
825 | return rv; | |
826 | } | |
827 | ||
aa9df930 CC |
828 | /* |
829 | * Wireless | |
830 | */ | |
831 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
832 | { | |
833 | unsigned long long status; | |
834 | acpi_status rv = AE_OK; | |
835 | ||
836 | if (!asus->have_rsts) | |
837 | return (asus->wireless_status & mask) ? 1 : 0; | |
838 | ||
d99b577c CC |
839 | rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS, |
840 | NULL, &status); | |
aa9df930 CC |
841 | if (ACPI_FAILURE(rv)) { |
842 | pr_warning("Error reading Wireless status\n"); | |
843 | return -EINVAL; | |
844 | } | |
845 | return !!(status & mask); | |
846 | } | |
847 | ||
4564de17 CC |
848 | /* |
849 | * WLAN | |
850 | */ | |
e5593bf1 CC |
851 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
852 | { | |
853 | if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { | |
854 | pr_warning("Error setting wlan status to %d", status); | |
855 | return -EIO; | |
856 | } | |
857 | return 0; | |
858 | } | |
859 | ||
4564de17 CC |
860 | static ssize_t show_wlan(struct device *dev, |
861 | struct device_attribute *attr, char *buf) | |
862 | { | |
9129d14d CC |
863 | struct asus_laptop *asus = dev_get_drvdata(dev); |
864 | ||
17e78f62 | 865 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
866 | } |
867 | ||
868 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
869 | const char *buf, size_t count) | |
870 | { | |
9129d14d CC |
871 | struct asus_laptop *asus = dev_get_drvdata(dev); |
872 | ||
d99b577c | 873 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
4564de17 CC |
874 | } |
875 | ||
876 | /* | |
877 | * Bluetooth | |
878 | */ | |
e5593bf1 CC |
879 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
880 | { | |
881 | if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { | |
882 | pr_warning("Error setting bluetooth status to %d", status); | |
883 | return -EIO; | |
884 | } | |
885 | return 0; | |
886 | } | |
887 | ||
4564de17 CC |
888 | static ssize_t show_bluetooth(struct device *dev, |
889 | struct device_attribute *attr, char *buf) | |
890 | { | |
9129d14d CC |
891 | struct asus_laptop *asus = dev_get_drvdata(dev); |
892 | ||
17e78f62 | 893 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
894 | } |
895 | ||
8def05fa LB |
896 | static ssize_t store_bluetooth(struct device *dev, |
897 | struct device_attribute *attr, const char *buf, | |
898 | size_t count) | |
4564de17 | 899 | { |
9129d14d CC |
900 | struct asus_laptop *asus = dev_get_drvdata(dev); |
901 | ||
d99b577c | 902 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
4564de17 CC |
903 | } |
904 | ||
ba1ff5be CC |
905 | /* |
906 | * Wimax | |
907 | */ | |
908 | static int asus_wimax_set(struct asus_laptop *asus, int status) | |
909 | { | |
910 | if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) { | |
911 | pr_warning("Error setting wimax status to %d", status); | |
912 | return -EIO; | |
913 | } | |
914 | return 0; | |
915 | } | |
916 | ||
917 | static ssize_t show_wimax(struct device *dev, | |
918 | struct device_attribute *attr, char *buf) | |
919 | { | |
920 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
921 | ||
922 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS)); | |
923 | } | |
924 | ||
925 | static ssize_t store_wimax(struct device *dev, | |
926 | struct device_attribute *attr, const char *buf, | |
927 | size_t count) | |
928 | { | |
929 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
930 | ||
931 | return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX); | |
932 | } | |
933 | ||
934 | /* | |
935 | * Wwan | |
936 | */ | |
937 | static int asus_wwan_set(struct asus_laptop *asus, int status) | |
938 | { | |
939 | if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) { | |
940 | pr_warning("Error setting wwan status to %d", status); | |
941 | return -EIO; | |
942 | } | |
943 | return 0; | |
944 | } | |
945 | ||
946 | static ssize_t show_wwan(struct device *dev, | |
947 | struct device_attribute *attr, char *buf) | |
948 | { | |
949 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
950 | ||
951 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS)); | |
952 | } | |
953 | ||
954 | static ssize_t store_wwan(struct device *dev, | |
955 | struct device_attribute *attr, const char *buf, | |
956 | size_t count) | |
957 | { | |
958 | struct asus_laptop *asus = dev_get_drvdata(dev); | |
959 | ||
960 | return sysfs_acpi_set(asus, buf, count, METHOD_WWAN); | |
961 | } | |
962 | ||
78127b4a CC |
963 | /* |
964 | * Display | |
965 | */ | |
4d441513 | 966 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
967 | { |
968 | /* no sanity check needed for now */ | |
d99b577c | 969 | if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value)) |
2fcc23da | 970 | pr_warning("Error setting display\n"); |
78127b4a CC |
971 | return; |
972 | } | |
973 | ||
9129d14d | 974 | static int read_display(struct asus_laptop *asus) |
78127b4a | 975 | { |
27663c58 | 976 | unsigned long long value = 0; |
9a816850 | 977 | acpi_status rv = AE_OK; |
78127b4a | 978 | |
be966660 CC |
979 | /* |
980 | * In most of the case, we know how to set the display, but sometime | |
981 | * we can't read it | |
982 | */ | |
8def05fa | 983 | if (display_get_handle) { |
9a816850 CC |
984 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
985 | NULL, &value); | |
986 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 987 | pr_warning("Error reading display status\n"); |
78127b4a CC |
988 | } |
989 | ||
060cbce6 | 990 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ |
78127b4a CC |
991 | |
992 | return value; | |
993 | } | |
8def05fa | 994 | |
78127b4a CC |
995 | /* |
996 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
997 | * complained. The significance of bits is the same as in store_disp() | |
998 | */ | |
999 | static ssize_t show_disp(struct device *dev, | |
1000 | struct device_attribute *attr, char *buf) | |
1001 | { | |
9129d14d CC |
1002 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1003 | ||
2a1fd64c CC |
1004 | if (!display_get_handle) |
1005 | return -ENODEV; | |
9129d14d | 1006 | return sprintf(buf, "%d\n", read_display(asus)); |
78127b4a CC |
1007 | } |
1008 | ||
1009 | /* | |
1010 | * Experimental support for display switching. As of now: 1 should activate | |
1011 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
1012 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
1013 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
1014 | * for more info. | |
1015 | */ | |
1016 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
1017 | const char *buf, size_t count) | |
1018 | { | |
9129d14d | 1019 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
1020 | int rv, value; |
1021 | ||
1022 | rv = parse_arg(buf, count, &value); | |
1023 | if (rv > 0) | |
4d441513 | 1024 | asus_set_display(asus, value); |
78127b4a CC |
1025 | return rv; |
1026 | } | |
1027 | ||
8b857353 CC |
1028 | /* |
1029 | * Light Sens | |
1030 | */ | |
4d441513 | 1031 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 1032 | { |
d99b577c | 1033 | if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value)) |
2fcc23da | 1034 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 1035 | asus->light_switch = value; |
8b857353 CC |
1036 | } |
1037 | ||
1038 | static ssize_t show_lssw(struct device *dev, | |
1039 | struct device_attribute *attr, char *buf) | |
1040 | { | |
9129d14d CC |
1041 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1042 | ||
50a90c4d | 1043 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
1044 | } |
1045 | ||
1046 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
1047 | const char *buf, size_t count) | |
1048 | { | |
9129d14d | 1049 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
1050 | int rv, value; |
1051 | ||
1052 | rv = parse_arg(buf, count, &value); | |
1053 | if (rv > 0) | |
4d441513 | 1054 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
1055 | |
1056 | return rv; | |
1057 | } | |
1058 | ||
4d441513 | 1059 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 1060 | { |
d99b577c | 1061 | if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value)) |
2fcc23da | 1062 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 1063 | asus->light_level = value; |
8b857353 CC |
1064 | } |
1065 | ||
1066 | static ssize_t show_lslvl(struct device *dev, | |
1067 | struct device_attribute *attr, char *buf) | |
1068 | { | |
9129d14d CC |
1069 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1070 | ||
50a90c4d | 1071 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
1072 | } |
1073 | ||
1074 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
1075 | const char *buf, size_t count) | |
1076 | { | |
9129d14d | 1077 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
1078 | int rv, value; |
1079 | ||
1080 | rv = parse_arg(buf, count, &value); | |
1081 | if (rv > 0) { | |
1082 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
1083 | /* 0 <= value <= 15 */ | |
4d441513 | 1084 | asus_als_level(asus, value); |
8b857353 CC |
1085 | } |
1086 | ||
1087 | return rv; | |
1088 | } | |
1089 | ||
e539c2f6 CC |
1090 | /* |
1091 | * GPS | |
1092 | */ | |
6358bf2c CC |
1093 | static int asus_gps_status(struct asus_laptop *asus) |
1094 | { | |
1095 | unsigned long long status; | |
1096 | acpi_status rv = AE_OK; | |
1097 | ||
d99b577c CC |
1098 | rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS, |
1099 | NULL, &status); | |
6358bf2c CC |
1100 | if (ACPI_FAILURE(rv)) { |
1101 | pr_warning("Error reading GPS status\n"); | |
1102 | return -ENODEV; | |
1103 | } | |
1104 | return !!status; | |
1105 | } | |
1106 | ||
1107 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
1108 | { | |
d99b577c | 1109 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
6358bf2c | 1110 | |
d99b577c | 1111 | if (write_acpi_int(asus->handle, meth, 0x02)) |
6358bf2c CC |
1112 | return -ENODEV; |
1113 | return 0; | |
1114 | } | |
1115 | ||
e539c2f6 CC |
1116 | static ssize_t show_gps(struct device *dev, |
1117 | struct device_attribute *attr, char *buf) | |
1118 | { | |
9129d14d CC |
1119 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1120 | ||
6358bf2c | 1121 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
1122 | } |
1123 | ||
1124 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
1125 | const char *buf, size_t count) | |
1126 | { | |
060cbce6 | 1127 | struct asus_laptop *asus = dev_get_drvdata(dev); |
6358bf2c CC |
1128 | int rv, value; |
1129 | int ret; | |
9129d14d | 1130 | |
6358bf2c CC |
1131 | rv = parse_arg(buf, count, &value); |
1132 | if (rv <= 0) | |
1133 | return -EINVAL; | |
1134 | ret = asus_gps_switch(asus, !!value); | |
1135 | if (ret) | |
1136 | return ret; | |
18e1311e | 1137 | rfkill_set_sw_state(asus->gps_rfkill, !value); |
6358bf2c | 1138 | return rv; |
e539c2f6 CC |
1139 | } |
1140 | ||
18e1311e CC |
1141 | /* |
1142 | * rfkill | |
1143 | */ | |
1144 | static int asus_gps_rfkill_set(void *data, bool blocked) | |
1145 | { | |
23f45c3a | 1146 | struct asus_laptop *asus = data; |
18e1311e | 1147 | |
23f45c3a | 1148 | return asus_gps_switch(asus, !blocked); |
18e1311e CC |
1149 | } |
1150 | ||
1151 | static const struct rfkill_ops asus_gps_rfkill_ops = { | |
1152 | .set_block = asus_gps_rfkill_set, | |
1153 | }; | |
1154 | ||
1155 | static void asus_rfkill_exit(struct asus_laptop *asus) | |
1156 | { | |
1157 | if (asus->gps_rfkill) { | |
1158 | rfkill_unregister(asus->gps_rfkill); | |
1159 | rfkill_destroy(asus->gps_rfkill); | |
1160 | asus->gps_rfkill = NULL; | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | static int asus_rfkill_init(struct asus_laptop *asus) | |
1165 | { | |
1166 | int result; | |
1167 | ||
1168 | if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) || | |
1169 | acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) || | |
1170 | acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) | |
1171 | return 0; | |
1172 | ||
1173 | asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev, | |
1174 | RFKILL_TYPE_GPS, | |
23f45c3a | 1175 | &asus_gps_rfkill_ops, asus); |
18e1311e CC |
1176 | if (!asus->gps_rfkill) |
1177 | return -EINVAL; | |
1178 | ||
1179 | result = rfkill_register(asus->gps_rfkill); | |
1180 | if (result) { | |
1181 | rfkill_destroy(asus->gps_rfkill); | |
1182 | asus->gps_rfkill = NULL; | |
1183 | } | |
1184 | ||
1185 | return result; | |
1186 | } | |
1187 | ||
034ce90a | 1188 | /* |
be4ee82d | 1189 | * Input device (i.e. hotkeys) |
034ce90a | 1190 | */ |
be4ee82d CC |
1191 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1192 | { | |
66a71dd1 CC |
1193 | if (asus->inputdev) |
1194 | sparse_keymap_report_event(asus->inputdev, event, 1, true); | |
be4ee82d CC |
1195 | } |
1196 | ||
1197 | static int asus_input_init(struct asus_laptop *asus) | |
1198 | { | |
66a71dd1 CC |
1199 | struct input_dev *input; |
1200 | int error; | |
be4ee82d | 1201 | |
66a71dd1 CC |
1202 | input = input_allocate_device(); |
1203 | if (!input) { | |
be4ee82d | 1204 | pr_info("Unable to allocate input device\n"); |
45036ae1 | 1205 | return -ENOMEM; |
be4ee82d | 1206 | } |
66a71dd1 CC |
1207 | input->name = "Asus Laptop extra buttons"; |
1208 | input->phys = ASUS_LAPTOP_FILE "/input0"; | |
1209 | input->id.bustype = BUS_HOST; | |
1210 | input->dev.parent = &asus->platform_device->dev; | |
66a71dd1 CC |
1211 | |
1212 | error = sparse_keymap_setup(input, asus_keymap, NULL); | |
1213 | if (error) { | |
1214 | pr_err("Unable to setup input device keymap\n"); | |
45036ae1 | 1215 | goto err_free_dev; |
be4ee82d | 1216 | } |
66a71dd1 CC |
1217 | error = input_register_device(input); |
1218 | if (error) { | |
be4ee82d | 1219 | pr_info("Unable to register input device\n"); |
45036ae1 | 1220 | goto err_free_keymap; |
be4ee82d | 1221 | } |
66a71dd1 CC |
1222 | |
1223 | asus->inputdev = input; | |
1224 | return 0; | |
1225 | ||
45036ae1 | 1226 | err_free_keymap: |
66a71dd1 | 1227 | sparse_keymap_free(input); |
45036ae1 | 1228 | err_free_dev: |
66a71dd1 CC |
1229 | input_free_device(input); |
1230 | return error; | |
be4ee82d CC |
1231 | } |
1232 | ||
1233 | static void asus_input_exit(struct asus_laptop *asus) | |
1234 | { | |
66a71dd1 CC |
1235 | if (asus->inputdev) { |
1236 | sparse_keymap_free(asus->inputdev); | |
be4ee82d | 1237 | input_unregister_device(asus->inputdev); |
66a71dd1 | 1238 | } |
71e687dc | 1239 | asus->inputdev = NULL; |
be4ee82d CC |
1240 | } |
1241 | ||
1242 | /* | |
1243 | * ACPI driver | |
1244 | */ | |
600ad520 | 1245 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1246 | { |
9129d14d | 1247 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1248 | u16 count; |
034ce90a | 1249 | |
6b7091e7 CC |
1250 | /* |
1251 | * We need to tell the backlight device when the backlight power is | |
1252 | * switched | |
1253 | */ | |
3e68ae7c | 1254 | if (event == ATKD_LCD_ON) |
9129d14d | 1255 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1256 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1257 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1258 | |
619d8b11 | 1259 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1260 | count = asus->event_count[event % 128]++; |
1261 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1262 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1263 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1264 | count); |
85091b71 | 1265 | |
a539df5e CC |
1266 | /* Brightness events are special */ |
1267 | if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) { | |
1268 | ||
1269 | /* Ignore them completely if the acpi video driver is used */ | |
1270 | if (asus->backlight_device != NULL) { | |
1271 | /* Update the backlight device. */ | |
1272 | asus_backlight_notify(asus); | |
1273 | } | |
1274 | return ; | |
1275 | } | |
be4ee82d | 1276 | asus_input_notify(asus, event); |
85091b71 CC |
1277 | } |
1278 | ||
2a1fd64c CC |
1279 | static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL); |
1280 | static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan); | |
ac9b1e5b DT |
1281 | static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, |
1282 | show_bluetooth, store_bluetooth); | |
ba1ff5be CC |
1283 | static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax); |
1284 | static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan); | |
2a1fd64c CC |
1285 | static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); |
1286 | static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); | |
1287 | static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); | |
1288 | static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); | |
1289 | static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps); | |
1290 | ||
ac9b1e5b DT |
1291 | static struct attribute *asus_attributes[] = { |
1292 | &dev_attr_infos.attr, | |
1293 | &dev_attr_wlan.attr, | |
1294 | &dev_attr_bluetooth.attr, | |
ba1ff5be CC |
1295 | &dev_attr_wimax.attr, |
1296 | &dev_attr_wwan.attr, | |
ac9b1e5b DT |
1297 | &dev_attr_display.attr, |
1298 | &dev_attr_ledd.attr, | |
1299 | &dev_attr_ls_level.attr, | |
1300 | &dev_attr_ls_switch.attr, | |
1301 | &dev_attr_gps.attr, | |
1302 | NULL | |
1303 | }; | |
2a1fd64c | 1304 | |
ac9b1e5b DT |
1305 | static mode_t asus_sysfs_is_visible(struct kobject *kobj, |
1306 | struct attribute *attr, | |
1307 | int idx) | |
2a1fd64c | 1308 | { |
ac9b1e5b DT |
1309 | struct device *dev = container_of(kobj, struct device, kobj); |
1310 | struct platform_device *pdev = to_platform_device(dev); | |
1311 | struct asus_laptop *asus = platform_get_drvdata(pdev); | |
1312 | acpi_handle handle = asus->handle; | |
1313 | bool supported; | |
1314 | ||
1315 | if (attr == &dev_attr_wlan.attr) { | |
1316 | supported = !acpi_check_handle(handle, METHOD_WLAN, NULL); | |
1317 | ||
1318 | } else if (attr == &dev_attr_bluetooth.attr) { | |
1319 | supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL); | |
1320 | ||
1321 | } else if (attr == &dev_attr_display.attr) { | |
1322 | supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL); | |
1323 | ||
ba1ff5be CC |
1324 | } else if (attr == &dev_attr_wimax.attr) { |
1325 | supported = | |
1326 | !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL); | |
1327 | ||
1328 | } else if (attr == &dev_attr_wwan.attr) { | |
1329 | supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL); | |
1330 | ||
ac9b1e5b DT |
1331 | } else if (attr == &dev_attr_ledd.attr) { |
1332 | supported = !acpi_check_handle(handle, METHOD_LEDD, NULL); | |
1333 | ||
1334 | } else if (attr == &dev_attr_ls_switch.attr || | |
1335 | attr == &dev_attr_ls_level.attr) { | |
1336 | supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) && | |
1337 | !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL); | |
1338 | ||
1339 | } else if (attr == &dev_attr_gps.attr) { | |
1340 | supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) && | |
1341 | !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) && | |
1342 | !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL); | |
1343 | } else { | |
1344 | supported = true; | |
2a1fd64c CC |
1345 | } |
1346 | ||
ac9b1e5b DT |
1347 | return supported ? attr->mode : 0; |
1348 | } | |
2a1fd64c | 1349 | |
2a1fd64c | 1350 | |
ac9b1e5b DT |
1351 | static const struct attribute_group asus_attr_group = { |
1352 | .is_visible = asus_sysfs_is_visible, | |
1353 | .attrs = asus_attributes, | |
1354 | }; | |
85091b71 | 1355 | |
9129d14d | 1356 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 | 1357 | { |
71e687dc | 1358 | int result; |
600ad520 | 1359 | |
50a90c4d CC |
1360 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1361 | if (!asus->platform_device) | |
600ad520 | 1362 | return -ENOMEM; |
9129d14d | 1363 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1364 | |
71e687dc CC |
1365 | result = platform_device_add(asus->platform_device); |
1366 | if (result) | |
600ad520 CC |
1367 | goto fail_platform_device; |
1368 | ||
ac9b1e5b DT |
1369 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
1370 | &asus_attr_group); | |
71e687dc | 1371 | if (result) |
600ad520 | 1372 | goto fail_sysfs; |
ac9b1e5b | 1373 | |
600ad520 CC |
1374 | return 0; |
1375 | ||
1376 | fail_sysfs: | |
50a90c4d | 1377 | platform_device_del(asus->platform_device); |
600ad520 | 1378 | fail_platform_device: |
50a90c4d | 1379 | platform_device_put(asus->platform_device); |
71e687dc | 1380 | return result; |
600ad520 CC |
1381 | } |
1382 | ||
9129d14d | 1383 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1384 | { |
ac9b1e5b | 1385 | sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group); |
50a90c4d | 1386 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1387 | } |
1388 | ||
1389 | static struct platform_driver platform_driver = { | |
8def05fa | 1390 | .driver = { |
9129d14d CC |
1391 | .name = ASUS_LAPTOP_FILE, |
1392 | .owner = THIS_MODULE, | |
1393 | } | |
85091b71 CC |
1394 | }; |
1395 | ||
8def05fa | 1396 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1397 | char **paths, int num_paths) |
1398 | { | |
1399 | int i; | |
1400 | acpi_status status; | |
1401 | ||
1402 | for (i = 0; i < num_paths; i++) { | |
1403 | status = acpi_get_handle(NULL, paths[i], handle); | |
1404 | if (ACPI_SUCCESS(status)) | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | *handle = NULL; | |
1409 | return -ENODEV; | |
1410 | } | |
1411 | ||
1412 | #define ASUS_HANDLE_INIT(object) \ | |
1413 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1414 | ARRAY_SIZE(object##_paths)) | |
1415 | ||
85091b71 | 1416 | /* |
50a90c4d CC |
1417 | * This function is used to initialize the context with right values. In this |
1418 | * method, we can make all the detection we want, and modify the asus_laptop | |
1419 | * struct | |
85091b71 | 1420 | */ |
7c247645 | 1421 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1422 | { |
1423 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1424 | union acpi_object *model = NULL; |
27663c58 | 1425 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1426 | char *string = NULL; |
1427 | acpi_status status; | |
1428 | ||
1429 | /* | |
1430 | * Get DSDT headers early enough to allow for differentiating between | |
1431 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1432 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1433 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1434 | * HID), this bit will be moved. |
85091b71 | 1435 | */ |
7c247645 | 1436 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1437 | if (ACPI_FAILURE(status)) |
2fcc23da | 1438 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1439 | |
1440 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1441 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1442 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1443 | return -ENODEV; |
1444 | } | |
1445 | ||
1446 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1447 | status = |
50a90c4d | 1448 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1449 | if (ACPI_FAILURE(status)) |
2fcc23da | 1450 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1451 | else if (bsts_result) |
2fcc23da | 1452 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1453 | (uint) bsts_result); |
85091b71 | 1454 | |
185e5af9 | 1455 | /* This too ... */ |
e5593bf1 CC |
1456 | if (write_acpi_int(asus->handle, "CWAP", wapf)) |
1457 | pr_err("Error calling CWAP(%d)\n", wapf); | |
85091b71 CC |
1458 | /* |
1459 | * Try to match the object returned by INIT to the specific model. | |
1460 | * Handle every possible object (or the lack of thereof) the DSDT | |
1461 | * writers might throw at us. When in trouble, we pass NULL to | |
1462 | * asus_model_match() and try something completely different. | |
1463 | */ | |
1464 | if (buffer.pointer) { | |
1465 | model = buffer.pointer; | |
1466 | switch (model->type) { | |
1467 | case ACPI_TYPE_STRING: | |
1468 | string = model->string.pointer; | |
1469 | break; | |
1470 | case ACPI_TYPE_BUFFER: | |
1471 | string = model->buffer.pointer; | |
1472 | break; | |
1473 | default: | |
1474 | string = ""; | |
1475 | break; | |
1476 | } | |
1477 | } | |
50a90c4d | 1478 | asus->name = kstrdup(string, GFP_KERNEL); |
d8eca110 AL |
1479 | if (!asus->name) { |
1480 | kfree(buffer.pointer); | |
85091b71 | 1481 | return -ENOMEM; |
d8eca110 | 1482 | } |
85091b71 | 1483 | |
8def05fa | 1484 | if (*string) |
2fcc23da | 1485 | pr_notice(" %s model detected\n", string); |
85091b71 | 1486 | |
4564de17 CC |
1487 | /* |
1488 | * The HWRS method return informations about the hardware. | |
ba1ff5be CC |
1489 | * 0x80 bit is for WLAN, 0x100 for Bluetooth, |
1490 | * 0x40 for WWAN, 0x10 for WIMAX. | |
4564de17 | 1491 | * The significance of others is yet to be found. |
4564de17 | 1492 | */ |
9a816850 | 1493 | status = |
50a90c4d | 1494 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
d99b577c CC |
1495 | if (!ACPI_FAILURE(status)) |
1496 | pr_notice(" HRWS returned %x", (int)hwrs_result); | |
4564de17 | 1497 | |
d99b577c | 1498 | if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) |
aa9df930 | 1499 | asus->have_rsts = true; |
4564de17 | 1500 | |
d99b577c | 1501 | /* Scheduled for removal */ |
6b7091e7 | 1502 | ASUS_HANDLE_INIT(lcd_switch); |
78127b4a CC |
1503 | ASUS_HANDLE_INIT(display_get); |
1504 | ||
85091b71 CC |
1505 | kfree(model); |
1506 | ||
1507 | return AE_OK; | |
1508 | } | |
1509 | ||
9129d14d | 1510 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1511 | { |
600ad520 | 1512 | int result = 0; |
85091b71 | 1513 | |
50a90c4d | 1514 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1515 | if (result) |
85091b71 | 1516 | return result; |
50a90c4d | 1517 | if (!asus->device->status.present) { |
600ad520 | 1518 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1519 | return -ENODEV; |
1520 | } | |
1521 | ||
7c247645 | 1522 | result = asus_laptop_get_info(asus); |
034ce90a | 1523 | if (result) |
600ad520 | 1524 | return result; |
034ce90a | 1525 | |
600ad520 | 1526 | /* WLED and BLED are on by default */ |
be4ee82d | 1527 | if (bluetooth_status >= 0) |
e5593bf1 CC |
1528 | asus_bluetooth_set(asus, !!bluetooth_status); |
1529 | ||
d0930a2d CC |
1530 | if (wlan_status >= 0) |
1531 | asus_wlan_set(asus, !!wlan_status); | |
85091b71 | 1532 | |
ba1ff5be CC |
1533 | if (wimax_status >= 0) |
1534 | asus_wimax_set(asus, !!wimax_status); | |
1535 | ||
1536 | if (wwan_status >= 0) | |
1537 | asus_wwan_set(asus, !!wwan_status); | |
1538 | ||
600ad520 | 1539 | /* Keyboard Backlight is on by default */ |
d99b577c | 1540 | if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
4d441513 | 1541 | asus_kled_set(asus, 1); |
600ad520 CC |
1542 | |
1543 | /* LED display is off by default */ | |
50a90c4d | 1544 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1545 | |
1546 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1547 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1548 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 | 1549 | |
d99b577c CC |
1550 | if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) && |
1551 | !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) { | |
4d441513 | 1552 | asus_als_switch(asus, asus->light_switch); |
4d441513 | 1553 | asus_als_level(asus, asus->light_level); |
d99b577c | 1554 | } |
600ad520 | 1555 | |
47ee0e99 | 1556 | asus->lcd_state = 1; /* LCD should be on when the module load */ |
600ad520 CC |
1557 | return result; |
1558 | } | |
1559 | ||
71e687dc CC |
1560 | static bool asus_device_present; |
1561 | ||
600ad520 CC |
1562 | static int __devinit asus_acpi_add(struct acpi_device *device) |
1563 | { | |
9129d14d | 1564 | struct asus_laptop *asus; |
600ad520 CC |
1565 | int result; |
1566 | ||
1567 | pr_notice("Asus Laptop Support version %s\n", | |
1568 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1569 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1570 | if (!asus) | |
600ad520 | 1571 | return -ENOMEM; |
50a90c4d CC |
1572 | asus->handle = device->handle; |
1573 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1574 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1575 | device->driver_data = asus; | |
1576 | asus->device = device; | |
600ad520 | 1577 | |
9129d14d | 1578 | result = asus_acpi_init(asus); |
8def05fa | 1579 | if (result) |
600ad520 | 1580 | goto fail_platform; |
85091b71 | 1581 | |
600ad520 CC |
1582 | /* |
1583 | * Register the platform device first. It is used as a parent for the | |
1584 | * sub-devices below. | |
1585 | */ | |
9129d14d | 1586 | result = asus_platform_init(asus); |
116bf2e0 | 1587 | if (result) |
600ad520 | 1588 | goto fail_platform; |
116bf2e0 CC |
1589 | |
1590 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1591 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1592 | if (result) |
1593 | goto fail_backlight; | |
1594 | } else | |
600ad520 | 1595 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1596 | |
9129d14d | 1597 | result = asus_input_init(asus); |
600ad520 CC |
1598 | if (result) |
1599 | goto fail_input; | |
1600 | ||
9129d14d | 1601 | result = asus_led_init(asus); |
600ad520 CC |
1602 | if (result) |
1603 | goto fail_led; | |
1604 | ||
18e1311e CC |
1605 | result = asus_rfkill_init(asus); |
1606 | if (result) | |
1607 | goto fail_rfkill; | |
1608 | ||
600ad520 | 1609 | asus_device_present = true; |
8def05fa | 1610 | return 0; |
85091b71 | 1611 | |
18e1311e CC |
1612 | fail_rfkill: |
1613 | asus_led_exit(asus); | |
600ad520 | 1614 | fail_led: |
9129d14d | 1615 | asus_input_exit(asus); |
600ad520 | 1616 | fail_input: |
9129d14d | 1617 | asus_backlight_exit(asus); |
116bf2e0 | 1618 | fail_backlight: |
9129d14d | 1619 | asus_platform_exit(asus); |
600ad520 | 1620 | fail_platform: |
50a90c4d CC |
1621 | kfree(asus->name); |
1622 | kfree(asus); | |
116bf2e0 | 1623 | |
600ad520 CC |
1624 | return result; |
1625 | } | |
116bf2e0 | 1626 | |
600ad520 CC |
1627 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1628 | { | |
9129d14d CC |
1629 | struct asus_laptop *asus = acpi_driver_data(device); |
1630 | ||
1631 | asus_backlight_exit(asus); | |
18e1311e | 1632 | asus_rfkill_exit(asus); |
9129d14d CC |
1633 | asus_led_exit(asus); |
1634 | asus_input_exit(asus); | |
1635 | asus_platform_exit(asus); | |
600ad520 | 1636 | |
50a90c4d CC |
1637 | kfree(asus->name); |
1638 | kfree(asus); | |
600ad520 CC |
1639 | return 0; |
1640 | } | |
1641 | ||
1642 | static const struct acpi_device_id asus_device_ids[] = { | |
1643 | {"ATK0100", 0}, | |
1644 | {"ATK0101", 0}, | |
1645 | {"", 0}, | |
1646 | }; | |
1647 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1648 | |
600ad520 | 1649 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1650 | .name = ASUS_LAPTOP_NAME, |
1651 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1652 | .owner = THIS_MODULE, |
1653 | .ids = asus_device_ids, | |
1654 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1655 | .ops = { | |
1656 | .add = asus_acpi_add, | |
1657 | .remove = asus_acpi_remove, | |
1658 | .notify = asus_acpi_notify, | |
1659 | }, | |
1660 | }; | |
85091b71 | 1661 | |
600ad520 CC |
1662 | static int __init asus_laptop_init(void) |
1663 | { | |
1664 | int result; | |
85091b71 | 1665 | |
600ad520 CC |
1666 | result = platform_driver_register(&platform_driver); |
1667 | if (result < 0) | |
1668 | return result; | |
034ce90a | 1669 | |
600ad520 CC |
1670 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1671 | if (result < 0) | |
1672 | goto fail_acpi_driver; | |
1673 | if (!asus_device_present) { | |
1674 | result = -ENODEV; | |
1675 | goto fail_no_device; | |
1676 | } | |
1677 | return 0; | |
85091b71 | 1678 | |
600ad520 CC |
1679 | fail_no_device: |
1680 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1681 | fail_acpi_driver: | |
1682 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1683 | return result; |
1684 | } | |
1685 | ||
600ad520 CC |
1686 | static void __exit asus_laptop_exit(void) |
1687 | { | |
1688 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1689 | platform_driver_unregister(&platform_driver); | |
1690 | } | |
1691 | ||
85091b71 CC |
1692 | module_init(asus_laptop_init); |
1693 | module_exit(asus_laptop_exit); |