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85091b71 CC |
1 | /* |
2 | * asus-laptop.c - Asus Laptop Support | |
3 | * | |
4 | * | |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor | |
8ec555c2 | 6 | * Copyright (C) 2006-2007 Corentin Chary |
85091b71 CC |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * | |
23 | * The development page for this driver is located at | |
24 | * http://sourceforge.net/projects/acpi4asus/ | |
25 | * | |
26 | * Credits: | |
27 | * Pontus Fuchs - Helper functions, cleanup | |
28 | * Johann Wiesner - Small compile fixes | |
29 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. | |
30 | * Eric Burghard - LED display support for W1N | |
31 | * Josh Green - Light Sens support | |
32 | * Thomas Tuttle - His first patch for led support was very helpfull | |
e539c2f6 | 33 | * Sam Lin - GPS support |
85091b71 CC |
34 | */ |
35 | ||
2fcc23da CC |
36 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
37 | ||
85091b71 CC |
38 | #include <linux/kernel.h> |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/types.h> | |
42 | #include <linux/err.h> | |
43 | #include <linux/proc_fs.h> | |
6b7091e7 CC |
44 | #include <linux/backlight.h> |
45 | #include <linux/fb.h> | |
be18cdab | 46 | #include <linux/leds.h> |
85091b71 CC |
47 | #include <linux/platform_device.h> |
48 | #include <acpi/acpi_drivers.h> | |
49 | #include <acpi/acpi_bus.h> | |
50 | #include <asm/uaccess.h> | |
034ce90a | 51 | #include <linux/input.h> |
85091b71 | 52 | |
91687cc8 | 53 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 54 | |
50a90c4d CC |
55 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
56 | #define ASUS_LAPTOP_CLASS "hotkey" | |
57 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
58 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
59 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 60 | |
85091b71 | 61 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); |
50a90c4d | 62 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
63 | MODULE_LICENSE("GPL"); |
64 | ||
be966660 CC |
65 | /* |
66 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
67 | * The significance of values is yet to be found, but |
68 | * most of the time: | |
69 | * 0x0 will do nothing | |
70 | * 0x1 will allow to control the device with Fn+Fx key. | |
71 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
72 | * 0x5 like 0x1 or 0x4 | |
73 | * So, if something doesn't work as you want, just try other values =) | |
74 | */ | |
75 | static uint wapf = 1; | |
76 | module_param(wapf, uint, 0644); | |
77 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
78 | ||
0e875f49 CC |
79 | static uint wireless_status = 1; |
80 | static uint bluetooth_status = 1; | |
81 | ||
82 | module_param(wireless_status, uint, 0644); | |
83 | MODULE_PARM_DESC(wireless_status, "Set the wireless status on boot " | |
84 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
85 | "default is 1"); | |
86 | ||
87 | module_param(bluetooth_status, uint, 0644); | |
88 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
89 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
90 | "default is 1"); | |
91 | ||
be4ee82d CC |
92 | /* |
93 | * Some events we use, same for all Asus | |
94 | */ | |
95 | #define ATKD_BR_UP 0x10 | |
96 | #define ATKD_BR_DOWN 0x20 | |
97 | #define ATKD_LCD_ON 0x33 | |
98 | #define ATKD_LCD_OFF 0x34 | |
99 | ||
100 | /* | |
101 | * Known bits returned by \_SB.ATKD.HWRS | |
102 | */ | |
103 | #define WL_HWRS 0x80 | |
104 | #define BT_HWRS 0x100 | |
105 | ||
106 | /* | |
107 | * Flags for hotk status | |
108 | * WL_ON and BT_ON are also used for wireless_status() | |
109 | */ | |
17e78f62 CC |
110 | #define WL_RSTS 0x01 /* internal Wifi */ |
111 | #define BT_RSTS 0x02 /* internal Bluetooth */ | |
be4ee82d | 112 | |
85091b71 CC |
113 | #define ASUS_HANDLE(object, paths...) \ |
114 | static acpi_handle object##_handle = NULL; \ | |
115 | static char *object##_paths[] = { paths } | |
116 | ||
be18cdab | 117 | /* LED */ |
50a90c4d CC |
118 | ASUS_HANDLE(mled_set, ASUS_LAPTOP_PREFIX "MLED"); |
119 | ASUS_HANDLE(tled_set, ASUS_LAPTOP_PREFIX "TLED"); | |
120 | ASUS_HANDLE(rled_set, ASUS_LAPTOP_PREFIX "RLED"); /* W1JC */ | |
121 | ASUS_HANDLE(pled_set, ASUS_LAPTOP_PREFIX "PLED"); /* A7J */ | |
122 | ASUS_HANDLE(gled_set, ASUS_LAPTOP_PREFIX "GLED"); /* G1, G2 (probably) */ | |
be18cdab | 123 | |
722ad971 | 124 | /* LEDD */ |
50a90c4d | 125 | ASUS_HANDLE(ledd_set, ASUS_LAPTOP_PREFIX "SLCM"); |
722ad971 | 126 | |
be966660 CC |
127 | /* |
128 | * Bluetooth and WLAN | |
4564de17 CC |
129 | * WLED and BLED are not handled like other XLED, because in some dsdt |
130 | * they also control the WLAN/Bluetooth device. | |
131 | */ | |
50a90c4d CC |
132 | ASUS_HANDLE(wl_switch, ASUS_LAPTOP_PREFIX "WLED"); |
133 | ASUS_HANDLE(bt_switch, ASUS_LAPTOP_PREFIX "BLED"); | |
134 | ASUS_HANDLE(wireless_status, ASUS_LAPTOP_PREFIX "RSTS"); /* All new models */ | |
4564de17 | 135 | |
6b7091e7 | 136 | /* Brightness */ |
50a90c4d CC |
137 | ASUS_HANDLE(brightness_set, ASUS_LAPTOP_PREFIX "SPLV"); |
138 | ASUS_HANDLE(brightness_get, ASUS_LAPTOP_PREFIX "GPLV"); | |
6b7091e7 CC |
139 | |
140 | /* Backlight */ | |
8def05fa LB |
141 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
142 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
143 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
144 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
145 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 146 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
147 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
148 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 149 | |
78127b4a | 150 | /* Display */ |
50a90c4d | 151 | ASUS_HANDLE(display_set, ASUS_LAPTOP_PREFIX "SDSP"); |
be966660 CC |
152 | ASUS_HANDLE(display_get, |
153 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
154 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
155 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
156 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
157 | /* A6V A6Q */ | |
158 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
159 | /* A6T, A6M */ | |
160 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
161 | /* L3C */ | |
162 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
163 | /* Z96F */ | |
164 | "\\_SB.PCI0.VGA.GETD", | |
165 | /* A2D */ | |
166 | "\\ACTD", | |
167 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
168 | "\\ADVG", | |
169 | /* P30 */ | |
170 | "\\DNXT", | |
171 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
172 | "\\INFB", | |
173 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
174 | "\\SSTE"); | |
175 | ||
50a90c4d CC |
176 | ASUS_HANDLE(ls_switch, ASUS_LAPTOP_PREFIX "ALSC"); /* Z71A Z71V */ |
177 | ASUS_HANDLE(ls_level, ASUS_LAPTOP_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 178 | |
e539c2f6 CC |
179 | /* GPS */ |
180 | /* R2H use different handle for GPS on/off */ | |
50a90c4d CC |
181 | ASUS_HANDLE(gps_on, ASUS_LAPTOP_PREFIX "SDON"); /* R2H */ |
182 | ASUS_HANDLE(gps_off, ASUS_LAPTOP_PREFIX "SDOF"); /* R2H */ | |
183 | ASUS_HANDLE(gps_status, ASUS_LAPTOP_PREFIX "GPST"); | |
e539c2f6 | 184 | |
b7d3fbc2 | 185 | /* Keyboard light */ |
50a90c4d CC |
186 | ASUS_HANDLE(kled_set, ASUS_LAPTOP_PREFIX "SLKB"); |
187 | ASUS_HANDLE(kled_get, ASUS_LAPTOP_PREFIX "GLKB"); | |
b7d3fbc2 | 188 | |
9129d14d CC |
189 | /* |
190 | * Define a specific led structure to keep the main structure clean | |
191 | */ | |
192 | #define ASUS_DEFINE_LED(object) \ | |
193 | int object##_wk; \ | |
194 | struct work_struct object##_work; \ | |
195 | struct led_classdev object; | |
196 | ||
197 | ||
198 | #define led_to_asus(led_cdev, led) \ | |
199 | container_of(container_of(led_cdev, struct asus_laptop_leds, \ | |
200 | led), \ | |
201 | struct asus_laptop, leds) | |
202 | #define work_to_asus(work, led) \ | |
203 | container_of(container_of(work, struct asus_laptop_leds, \ | |
204 | led##_work), \ | |
205 | struct asus_laptop, leds) | |
206 | ||
207 | struct asus_laptop_leds { | |
208 | ASUS_DEFINE_LED(mled) | |
209 | ASUS_DEFINE_LED(tled) | |
210 | ASUS_DEFINE_LED(rled) | |
211 | ASUS_DEFINE_LED(pled) | |
212 | ASUS_DEFINE_LED(gled) | |
213 | ASUS_DEFINE_LED(kled) | |
214 | struct workqueue_struct *workqueue; | |
215 | }; | |
216 | ||
85091b71 CC |
217 | /* |
218 | * This is the main structure, we can use it to store anything interesting | |
219 | * about the hotk device | |
220 | */ | |
50a90c4d | 221 | struct asus_laptop { |
be966660 | 222 | char *name; /* laptop name */ |
600ad520 | 223 | |
7c247645 | 224 | struct acpi_table_header *dsdt_info; |
600ad520 | 225 | struct platform_device *platform_device; |
7c247645 CC |
226 | struct acpi_device *device; /* the device we are in */ |
227 | struct backlight_device *backlight_device; | |
9129d14d | 228 | |
7c247645 | 229 | struct input_dev *inputdev; |
9129d14d CC |
230 | struct key_entry *keymap; |
231 | ||
232 | struct asus_laptop_leds leds; | |
7c247645 | 233 | |
aa9df930 CC |
234 | int wireless_status; |
235 | bool have_rsts; | |
3e68ae7c | 236 | int lcd_state; |
aa9df930 | 237 | |
be966660 | 238 | acpi_handle handle; /* the handle of the hotk device */ |
be966660 CC |
239 | u32 ledd_status; /* status of the LED display */ |
240 | u8 light_level; /* light sensor level */ | |
241 | u8 light_switch; /* light sensor switch value */ | |
242 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a | 243 | u16 *keycode_map; |
85091b71 CC |
244 | }; |
245 | ||
034ce90a CC |
246 | struct key_entry { |
247 | char type; | |
248 | u8 code; | |
249 | u16 keycode; | |
250 | }; | |
251 | ||
252 | enum { KE_KEY, KE_END }; | |
253 | ||
9129d14d | 254 | static const struct key_entry asus_keymap[] = { |
14f8af31 IP |
255 | {KE_KEY, 0x02, KEY_SCREENLOCK}, |
256 | {KE_KEY, 0x05, KEY_WLAN}, | |
257 | {KE_KEY, 0x08, KEY_F13}, | |
258 | {KE_KEY, 0x17, KEY_ZOOM}, | |
259 | {KE_KEY, 0x1f, KEY_BATTERY}, | |
034ce90a CC |
260 | {KE_KEY, 0x30, KEY_VOLUMEUP}, |
261 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
262 | {KE_KEY, 0x32, KEY_MUTE}, | |
263 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
264 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
265 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
266 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 267 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a | 268 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
4644d0e5 | 269 | {KE_KEY, 0x4c, KEY_MEDIA}, |
034ce90a CC |
270 | {KE_KEY, 0x50, KEY_EMAIL}, |
271 | {KE_KEY, 0x51, KEY_WWW}, | |
0aa20f7d | 272 | {KE_KEY, 0x55, KEY_CALC}, |
309f5fbd | 273 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a | 274 | {KE_KEY, 0x5D, KEY_WLAN}, |
f641375b CC |
275 | {KE_KEY, 0x5E, KEY_WLAN}, |
276 | {KE_KEY, 0x5F, KEY_WLAN}, | |
277 | {KE_KEY, 0x60, KEY_SWITCHVIDEOMODE}, | |
034ce90a | 278 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, |
14f8af31 IP |
279 | {KE_KEY, 0x62, KEY_SWITCHVIDEOMODE}, |
280 | {KE_KEY, 0x63, KEY_SWITCHVIDEOMODE}, | |
16851f92 | 281 | {KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */ |
034ce90a | 282 | {KE_KEY, 0x82, KEY_CAMERA}, |
1f0233ee | 283 | {KE_KEY, 0x88, KEY_WLAN }, |
309f5fbd | 284 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
285 | {KE_KEY, 0x95, KEY_MEDIA}, |
286 | {KE_KEY, 0x99, KEY_PHONE}, | |
dc795260 CC |
287 | {KE_KEY, 0xc4, KEY_KBDILLUMUP}, |
288 | {KE_KEY, 0xc5, KEY_KBDILLUMDOWN}, | |
034ce90a CC |
289 | {KE_END, 0}, |
290 | }; | |
291 | ||
85091b71 CC |
292 | /* |
293 | * This function evaluates an ACPI method, given an int as parameter, the | |
294 | * method is searched within the scope of the handle, can be NULL. The output | |
295 | * of the method is written is output, which can also be NULL | |
296 | * | |
f8d1c94b | 297 | * returns 0 if write is successful, -1 else. |
85091b71 | 298 | */ |
d8c67323 CC |
299 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
300 | struct acpi_buffer *output) | |
85091b71 | 301 | { |
be966660 CC |
302 | struct acpi_object_list params; /* list of input parameters (an int) */ |
303 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
304 | acpi_status status; |
305 | ||
f8d1c94b CC |
306 | if (!handle) |
307 | return 0; | |
308 | ||
85091b71 CC |
309 | params.count = 1; |
310 | params.pointer = &in_obj; | |
311 | in_obj.type = ACPI_TYPE_INTEGER; | |
312 | in_obj.integer.value = val; | |
313 | ||
314 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
315 | if (status == AE_OK) |
316 | return 0; | |
317 | else | |
318 | return -1; | |
85091b71 CC |
319 | } |
320 | ||
d8c67323 CC |
321 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
322 | { | |
323 | return write_acpi_int_ret(handle, method, val, NULL); | |
324 | } | |
325 | ||
17e78f62 CC |
326 | /* Generic LED function */ |
327 | static void asus_led_set(struct asus_laptop *asus, acpi_handle handle, | |
328 | int value) | |
be18cdab | 329 | { |
17e78f62 CC |
330 | if (handle == mled_set_handle) |
331 | value = !value; | |
332 | else if (handle == gled_set_handle) | |
333 | value = !value + 1; | |
334 | else | |
335 | value = !!value; | |
be18cdab | 336 | |
17e78f62 | 337 | write_acpi_int(handle, NULL, value); |
be18cdab CC |
338 | } |
339 | ||
be4ee82d CC |
340 | /* |
341 | * LEDs | |
342 | */ | |
343 | #define ASUS_LED(object, ledname, max) \ | |
344 | static void object##_led_set(struct led_classdev *led_cdev, \ | |
345 | enum led_brightness value); \ | |
346 | static enum led_brightness object##_led_get( \ | |
347 | struct led_classdev *led_cdev); \ | |
348 | static void object##_led_update(struct work_struct *ignored); \ | |
349 | static struct led_classdev object##_led = { \ | |
350 | .name = "asus::" ledname, \ | |
351 | .brightness_set = object##_led_set, \ | |
352 | .brightness_get = object##_led_get, \ | |
353 | .max_brightness = max \ | |
354 | } | |
355 | ||
356 | ASUS_LED(mled, "mail", 1); | |
357 | ASUS_LED(tled, "touchpad", 1); | |
358 | ASUS_LED(rled, "record", 1); | |
359 | ASUS_LED(pled, "phone", 1); | |
360 | ASUS_LED(gled, "gaming", 1); | |
361 | ASUS_LED(kled, "kbd_backlight", 3); | |
362 | ||
be18cdab | 363 | /* /sys/class/led handlers */ |
935ffeec | 364 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
365 | static void object##_led_set(struct led_classdev *led_cdev, \ |
366 | enum led_brightness value) \ | |
367 | { \ | |
9129d14d CC |
368 | struct asus_laptop *asus = \ |
369 | led_to_asus(led_cdev, object); \ | |
370 | \ | |
371 | asus->leds.object##_wk = (value > 0) ? 1 : 0; \ | |
372 | queue_work(asus->leds.workqueue, \ | |
373 | &asus->leds.object##_work); \ | |
be18cdab | 374 | } \ |
9129d14d | 375 | static void object##_led_update(struct work_struct *work) \ |
be18cdab | 376 | { \ |
9129d14d CC |
377 | struct asus_laptop *asus = work_to_asus(work, object); \ |
378 | \ | |
379 | int value = asus->leds.object##_wk; \ | |
17e78f62 | 380 | asus_led_set(asus, object##_set_handle, value); \ |
abfa57e1 CC |
381 | } \ |
382 | static enum led_brightness object##_led_get( \ | |
383 | struct led_classdev *led_cdev) \ | |
384 | { \ | |
385 | return led_cdev->brightness; \ | |
be18cdab CC |
386 | } |
387 | ||
935ffeec CC |
388 | ASUS_LED_HANDLER(mled, MLED_ON); |
389 | ASUS_LED_HANDLER(pled, PLED_ON); | |
390 | ASUS_LED_HANDLER(rled, RLED_ON); | |
391 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 392 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 393 | |
b7d3fbc2 | 394 | /* |
be4ee82d | 395 | * Keyboard backlight (also a LED) |
b7d3fbc2 | 396 | */ |
4d441513 | 397 | static int asus_kled_lvl(void) |
b7d3fbc2 CC |
398 | { |
399 | unsigned long long kblv; | |
400 | struct acpi_object_list params; | |
401 | union acpi_object in_obj; | |
402 | acpi_status rv; | |
403 | ||
404 | params.count = 1; | |
405 | params.pointer = &in_obj; | |
406 | in_obj.type = ACPI_TYPE_INTEGER; | |
407 | in_obj.integer.value = 2; | |
408 | ||
409 | rv = acpi_evaluate_integer(kled_get_handle, NULL, ¶ms, &kblv); | |
410 | if (ACPI_FAILURE(rv)) { | |
411 | pr_warning("Error reading kled level\n"); | |
4d441513 | 412 | return -ENODEV; |
b7d3fbc2 CC |
413 | } |
414 | return kblv; | |
415 | } | |
416 | ||
4d441513 | 417 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
b7d3fbc2 CC |
418 | { |
419 | if (kblv > 0) | |
420 | kblv = (1 << 7) | (kblv & 0x7F); | |
421 | else | |
422 | kblv = 0; | |
423 | ||
d8c67323 | 424 | if (write_acpi_int(kled_set_handle, NULL, kblv)) { |
b7d3fbc2 CC |
425 | pr_warning("Keyboard LED display write failed\n"); |
426 | return -EINVAL; | |
427 | } | |
428 | return 0; | |
429 | } | |
430 | ||
431 | static void kled_led_set(struct led_classdev *led_cdev, | |
432 | enum led_brightness value) | |
433 | { | |
9129d14d CC |
434 | struct asus_laptop *asus = led_to_asus(led_cdev, kled); |
435 | ||
436 | asus->leds.kled_wk = value; | |
437 | queue_work(asus->leds.workqueue, &asus->leds.kled_work); | |
b7d3fbc2 CC |
438 | } |
439 | ||
9129d14d | 440 | static void kled_led_update(struct work_struct *work) |
b7d3fbc2 | 441 | { |
9129d14d CC |
442 | struct asus_laptop *asus = work_to_asus(work, kled); |
443 | ||
4d441513 | 444 | asus_kled_set(asus, asus->leds.kled_wk); |
b7d3fbc2 CC |
445 | } |
446 | ||
447 | static enum led_brightness kled_led_get(struct led_classdev *led_cdev) | |
448 | { | |
4d441513 | 449 | return asus_kled_lvl(); |
b7d3fbc2 CC |
450 | } |
451 | ||
be4ee82d CC |
452 | #define ASUS_LED_UNREGISTER(object) \ |
453 | if (object##_led.dev) \ | |
454 | led_classdev_unregister(&object##_led) | |
455 | ||
456 | static void asus_led_exit(struct asus_laptop *asus) | |
457 | { | |
458 | ASUS_LED_UNREGISTER(mled); | |
459 | ASUS_LED_UNREGISTER(tled); | |
460 | ASUS_LED_UNREGISTER(pled); | |
461 | ASUS_LED_UNREGISTER(rled); | |
462 | ASUS_LED_UNREGISTER(gled); | |
463 | ASUS_LED_UNREGISTER(kled); | |
464 | if (asus->leds.workqueue) { | |
465 | destroy_workqueue(asus->leds.workqueue); | |
466 | asus->leds.workqueue = NULL; | |
467 | } | |
468 | } | |
469 | ||
470 | /* Ugly macro, need to fix that later */ | |
471 | #define ASUS_LED_REGISTER(asus, object, _name, max) \ | |
472 | do { \ | |
473 | struct led_classdev *ldev = &asus->leds.object; \ | |
474 | if (!object##_set_handle) \ | |
475 | break ; \ | |
476 | \ | |
477 | INIT_WORK(&asus->leds.object##_work, object##_led_update); \ | |
478 | ldev->name = "asus::" _name; \ | |
479 | ldev->brightness_set = object##_led_set; \ | |
480 | ldev->max_brightness = max; \ | |
481 | rv = led_classdev_register(&asus->platform_device->dev, ldev); \ | |
482 | if (rv) \ | |
483 | goto error; \ | |
484 | } while (0) | |
485 | ||
486 | static int asus_led_init(struct asus_laptop *asus) | |
487 | { | |
488 | int rv; | |
489 | ||
490 | /* | |
491 | * Functions that actually update the LED's are called from a | |
492 | * workqueue. By doing this as separate work rather than when the LED | |
493 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
494 | * potentially bad time, such as a timer interrupt. | |
495 | */ | |
496 | asus->leds.workqueue = create_singlethread_workqueue("led_workqueue"); | |
497 | if (!asus->leds.workqueue) | |
498 | return -ENOMEM; | |
499 | ||
500 | ASUS_LED_REGISTER(asus, mled, "mail", 1); | |
501 | ASUS_LED_REGISTER(asus, tled, "touchpad", 1); | |
502 | ASUS_LED_REGISTER(asus, rled, "record", 1); | |
503 | ASUS_LED_REGISTER(asus, pled, "phone", 1); | |
504 | ASUS_LED_REGISTER(asus, gled, "gaming", 1); | |
505 | if (kled_set_handle && kled_get_handle) | |
506 | ASUS_LED_REGISTER(asus, kled, "kbd_backlight", 3); | |
507 | error: | |
508 | if (rv) | |
509 | asus_led_exit(asus); | |
510 | return rv; | |
511 | } | |
512 | ||
513 | /* | |
514 | * Backlight device | |
515 | */ | |
3e68ae7c | 516 | static int asus_lcd_status(struct asus_laptop *asus) |
6b7091e7 | 517 | { |
3e68ae7c | 518 | return asus->lcd_state; |
6b7091e7 CC |
519 | } |
520 | ||
3e68ae7c | 521 | static int asus_lcd_set(struct asus_laptop *asus, int value) |
6b7091e7 CC |
522 | { |
523 | int lcd = 0; | |
524 | acpi_status status = 0; | |
525 | ||
3e68ae7c | 526 | lcd = !!value; |
6b7091e7 | 527 | |
3e68ae7c | 528 | if (lcd == asus_lcd_status(asus)) |
6b7091e7 CC |
529 | return 0; |
530 | ||
3e68ae7c CC |
531 | if (!lcd_switch_handle) |
532 | return -ENODEV; | |
533 | ||
534 | status = acpi_evaluate_object(lcd_switch_handle, | |
535 | NULL, NULL, NULL); | |
6b7091e7 | 536 | |
3e68ae7c CC |
537 | if (ACPI_FAILURE(status)) { |
538 | pr_warning("Error switching LCD\n"); | |
539 | return -ENODEV; | |
6b7091e7 CC |
540 | } |
541 | ||
3e68ae7c | 542 | asus->lcd_state = lcd; |
6b7091e7 CC |
543 | return 0; |
544 | } | |
545 | ||
9129d14d | 546 | static void lcd_blank(struct asus_laptop *asus, int blank) |
6b7091e7 | 547 | { |
7c247645 | 548 | struct backlight_device *bd = asus->backlight_device; |
6b7091e7 | 549 | |
3e68ae7c CC |
550 | asus->lcd_state = (blank == FB_BLANK_UNBLANK); |
551 | ||
8def05fa | 552 | if (bd) { |
599a52d1 | 553 | bd->props.power = blank; |
28ee086d | 554 | backlight_update_status(bd); |
6b7091e7 CC |
555 | } |
556 | } | |
557 | ||
4d441513 | 558 | static int asus_read_brightness(struct backlight_device *bd) |
6b7091e7 | 559 | { |
27663c58 | 560 | unsigned long long value; |
9a816850 | 561 | acpi_status rv = AE_OK; |
6b7091e7 | 562 | |
9a816850 CC |
563 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
564 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 565 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
566 | |
567 | return value; | |
568 | } | |
569 | ||
4d441513 | 570 | static int asus_set_brightness(struct backlight_device *bd, int value) |
6b7091e7 | 571 | { |
d8c67323 | 572 | if (write_acpi_int(brightness_set_handle, NULL, value)) { |
2fcc23da | 573 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 574 | return -EIO; |
6b7091e7 | 575 | } |
e5b50f6a | 576 | return 0; |
6b7091e7 CC |
577 | } |
578 | ||
579 | static int update_bl_status(struct backlight_device *bd) | |
580 | { | |
9129d14d | 581 | struct asus_laptop *asus = bl_get_data(bd); |
6b7091e7 | 582 | int rv; |
599a52d1 | 583 | int value = bd->props.brightness; |
6b7091e7 | 584 | |
4d441513 | 585 | rv = asus_set_brightness(bd, value); |
8def05fa | 586 | if (rv) |
6b7091e7 CC |
587 | return rv; |
588 | ||
599a52d1 | 589 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
3e68ae7c | 590 | return asus_lcd_set(asus, value); |
6b7091e7 CC |
591 | } |
592 | ||
be4ee82d | 593 | static struct backlight_ops asusbl_ops = { |
4d441513 | 594 | .get_brightness = asus_read_brightness, |
be4ee82d CC |
595 | .update_status = update_bl_status, |
596 | }; | |
597 | ||
598 | static int asus_backlight_init(struct asus_laptop *asus) | |
599 | { | |
600 | struct backlight_device *bd; | |
601 | struct device *dev = &asus->platform_device->dev; | |
602 | ||
603 | if (brightness_set_handle && lcd_switch_handle) { | |
604 | bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, | |
605 | asus, &asusbl_ops); | |
606 | if (IS_ERR(bd)) { | |
607 | pr_err("Could not register asus backlight device\n"); | |
608 | asus->backlight_device = NULL; | |
609 | return PTR_ERR(bd); | |
610 | } | |
611 | ||
612 | asus->backlight_device = bd; | |
613 | ||
614 | bd->props.max_brightness = 15; | |
4d441513 | 615 | bd->props.brightness = asus_read_brightness(NULL); |
be4ee82d CC |
616 | bd->props.power = FB_BLANK_UNBLANK; |
617 | backlight_update_status(bd); | |
618 | } | |
619 | return 0; | |
620 | } | |
621 | ||
622 | static void asus_backlight_exit(struct asus_laptop *asus) | |
623 | { | |
624 | if (asus->backlight_device) | |
625 | backlight_device_unregister(asus->backlight_device); | |
626 | } | |
627 | ||
85091b71 CC |
628 | /* |
629 | * Platform device handlers | |
630 | */ | |
631 | ||
632 | /* | |
633 | * We write our info in page, we begin at offset off and cannot write more | |
634 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
635 | * number of bytes written in page | |
636 | */ | |
637 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 638 | struct device_attribute *attr, char *page) |
85091b71 | 639 | { |
9129d14d | 640 | struct asus_laptop *asus = dev_get_drvdata(dev); |
85091b71 | 641 | int len = 0; |
27663c58 | 642 | unsigned long long temp; |
be966660 | 643 | char buf[16]; /* enough for all info */ |
9a816850 CC |
644 | acpi_status rv = AE_OK; |
645 | ||
85091b71 CC |
646 | /* |
647 | * We use the easy way, we don't care of off and count, so we don't set eof | |
648 | * to 1 | |
649 | */ | |
650 | ||
50a90c4d CC |
651 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
652 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
653 | /* |
654 | * The SFUN method probably allows the original driver to get the list | |
655 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
656 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
657 | * The significance of others is yet to be found. | |
658 | */ | |
50a90c4d | 659 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 660 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
661 | len += sprintf(page + len, "SFUN value : %#x\n", |
662 | (uint) temp); | |
663 | /* | |
664 | * The HWRS method return informations about the hardware. | |
665 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
666 | * The significance of others is yet to be found. | |
667 | * If we don't find the method, we assume the device are present. | |
668 | */ | |
50a90c4d | 669 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
670 | if (!ACPI_FAILURE(rv)) |
671 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 672 | (uint) temp); |
85091b71 CC |
673 | /* |
674 | * Another value for userspace: the ASYM method returns 0x02 for | |
675 | * battery low and 0x04 for battery critical, its readings tend to be | |
676 | * more accurate than those provided by _BST. | |
677 | * Note: since not all the laptops provide this method, errors are | |
678 | * silently ignored. | |
679 | */ | |
50a90c4d | 680 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 681 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 682 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 683 | (uint) temp); |
7c247645 CC |
684 | if (asus->dsdt_info) { |
685 | snprintf(buf, 16, "%d", asus->dsdt_info->length); | |
85091b71 | 686 | len += sprintf(page + len, "DSDT length : %s\n", buf); |
7c247645 | 687 | snprintf(buf, 16, "%d", asus->dsdt_info->checksum); |
85091b71 | 688 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); |
7c247645 | 689 | snprintf(buf, 16, "%d", asus->dsdt_info->revision); |
85091b71 | 690 | len += sprintf(page + len, "DSDT revision : %s\n", buf); |
7c247645 | 691 | snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); |
85091b71 | 692 | len += sprintf(page + len, "OEM id : %s\n", buf); |
7c247645 | 693 | snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); |
85091b71 | 694 | len += sprintf(page + len, "OEM table id : %s\n", buf); |
7c247645 | 695 | snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); |
85091b71 | 696 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); |
7c247645 | 697 | snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); |
85091b71 | 698 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); |
7c247645 | 699 | snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); |
85091b71 CC |
700 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); |
701 | } | |
702 | ||
703 | return len; | |
704 | } | |
705 | ||
706 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
707 | { | |
708 | if (!count) | |
709 | return 0; | |
710 | if (count > 31) | |
711 | return -EINVAL; | |
712 | if (sscanf(buf, "%i", val) != 1) | |
713 | return -EINVAL; | |
714 | return count; | |
715 | } | |
716 | ||
17e78f62 CC |
717 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
718 | const char *buf, size_t count, | |
719 | acpi_handle handle) | |
4564de17 CC |
720 | { |
721 | int rv, value; | |
722 | int out = 0; | |
723 | ||
724 | rv = parse_arg(buf, count, &value); | |
725 | if (rv > 0) | |
726 | out = value ? 1 : 0; | |
727 | ||
17e78f62 CC |
728 | if (write_acpi_int(handle, NULL, value)) |
729 | return -ENODEV; | |
4564de17 CC |
730 | return rv; |
731 | } | |
732 | ||
722ad971 CC |
733 | /* |
734 | * LEDD display | |
735 | */ | |
736 | static ssize_t show_ledd(struct device *dev, | |
737 | struct device_attribute *attr, char *buf) | |
738 | { | |
9129d14d CC |
739 | struct asus_laptop *asus = dev_get_drvdata(dev); |
740 | ||
50a90c4d | 741 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
742 | } |
743 | ||
744 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
745 | const char *buf, size_t count) | |
746 | { | |
9129d14d | 747 | struct asus_laptop *asus = dev_get_drvdata(dev); |
722ad971 CC |
748 | int rv, value; |
749 | ||
750 | rv = parse_arg(buf, count, &value); | |
751 | if (rv > 0) { | |
d8c67323 | 752 | if (write_acpi_int(ledd_set_handle, NULL, value)) |
2fcc23da | 753 | pr_warning("LED display write failed\n"); |
722ad971 | 754 | else |
50a90c4d | 755 | asus->ledd_status = (u32) value; |
722ad971 CC |
756 | } |
757 | return rv; | |
758 | } | |
759 | ||
aa9df930 CC |
760 | /* |
761 | * Wireless | |
762 | */ | |
763 | static int asus_wireless_status(struct asus_laptop *asus, int mask) | |
764 | { | |
765 | unsigned long long status; | |
766 | acpi_status rv = AE_OK; | |
767 | ||
768 | if (!asus->have_rsts) | |
769 | return (asus->wireless_status & mask) ? 1 : 0; | |
770 | ||
771 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); | |
772 | if (ACPI_FAILURE(rv)) { | |
773 | pr_warning("Error reading Wireless status\n"); | |
774 | return -EINVAL; | |
775 | } | |
776 | return !!(status & mask); | |
777 | } | |
778 | ||
4564de17 CC |
779 | /* |
780 | * WLAN | |
781 | */ | |
782 | static ssize_t show_wlan(struct device *dev, | |
783 | struct device_attribute *attr, char *buf) | |
784 | { | |
9129d14d CC |
785 | struct asus_laptop *asus = dev_get_drvdata(dev); |
786 | ||
17e78f62 | 787 | return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS)); |
4564de17 CC |
788 | } |
789 | ||
790 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
791 | const char *buf, size_t count) | |
792 | { | |
9129d14d CC |
793 | struct asus_laptop *asus = dev_get_drvdata(dev); |
794 | ||
17e78f62 | 795 | return sysfs_acpi_set(asus, buf, count, wl_switch_handle); |
4564de17 CC |
796 | } |
797 | ||
798 | /* | |
799 | * Bluetooth | |
800 | */ | |
801 | static ssize_t show_bluetooth(struct device *dev, | |
802 | struct device_attribute *attr, char *buf) | |
803 | { | |
9129d14d CC |
804 | struct asus_laptop *asus = dev_get_drvdata(dev); |
805 | ||
17e78f62 | 806 | return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS)); |
4564de17 CC |
807 | } |
808 | ||
8def05fa LB |
809 | static ssize_t store_bluetooth(struct device *dev, |
810 | struct device_attribute *attr, const char *buf, | |
811 | size_t count) | |
4564de17 | 812 | { |
9129d14d CC |
813 | struct asus_laptop *asus = dev_get_drvdata(dev); |
814 | ||
17e78f62 | 815 | return sysfs_acpi_set(asus, buf, count, bt_switch_handle); |
4564de17 CC |
816 | } |
817 | ||
78127b4a CC |
818 | /* |
819 | * Display | |
820 | */ | |
4d441513 | 821 | static void asus_set_display(struct asus_laptop *asus, int value) |
78127b4a CC |
822 | { |
823 | /* no sanity check needed for now */ | |
d8c67323 | 824 | if (write_acpi_int(display_set_handle, NULL, value)) |
2fcc23da | 825 | pr_warning("Error setting display\n"); |
78127b4a CC |
826 | return; |
827 | } | |
828 | ||
9129d14d | 829 | static int read_display(struct asus_laptop *asus) |
78127b4a | 830 | { |
27663c58 | 831 | unsigned long long value = 0; |
9a816850 | 832 | acpi_status rv = AE_OK; |
78127b4a | 833 | |
be966660 CC |
834 | /* |
835 | * In most of the case, we know how to set the display, but sometime | |
836 | * we can't read it | |
837 | */ | |
8def05fa | 838 | if (display_get_handle) { |
9a816850 CC |
839 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
840 | NULL, &value); | |
841 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 842 | pr_warning("Error reading display status\n"); |
78127b4a CC |
843 | } |
844 | ||
845 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
846 | ||
847 | return value; | |
848 | } | |
8def05fa | 849 | |
78127b4a CC |
850 | /* |
851 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
852 | * complained. The significance of bits is the same as in store_disp() | |
853 | */ | |
854 | static ssize_t show_disp(struct device *dev, | |
855 | struct device_attribute *attr, char *buf) | |
856 | { | |
9129d14d CC |
857 | struct asus_laptop *asus = dev_get_drvdata(dev); |
858 | ||
859 | return sprintf(buf, "%d\n", read_display(asus)); | |
78127b4a CC |
860 | } |
861 | ||
862 | /* | |
863 | * Experimental support for display switching. As of now: 1 should activate | |
864 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
865 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
866 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
867 | * for more info. | |
868 | */ | |
869 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
870 | const char *buf, size_t count) | |
871 | { | |
9129d14d | 872 | struct asus_laptop *asus = dev_get_drvdata(dev); |
78127b4a CC |
873 | int rv, value; |
874 | ||
875 | rv = parse_arg(buf, count, &value); | |
876 | if (rv > 0) | |
4d441513 | 877 | asus_set_display(asus, value); |
78127b4a CC |
878 | return rv; |
879 | } | |
880 | ||
8b857353 CC |
881 | /* |
882 | * Light Sens | |
883 | */ | |
4d441513 | 884 | static void asus_als_switch(struct asus_laptop *asus, int value) |
8b857353 | 885 | { |
d8c67323 | 886 | if (write_acpi_int(ls_switch_handle, NULL, value)) |
2fcc23da | 887 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 888 | asus->light_switch = value; |
8b857353 CC |
889 | } |
890 | ||
891 | static ssize_t show_lssw(struct device *dev, | |
892 | struct device_attribute *attr, char *buf) | |
893 | { | |
9129d14d CC |
894 | struct asus_laptop *asus = dev_get_drvdata(dev); |
895 | ||
50a90c4d | 896 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
897 | } |
898 | ||
899 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
900 | const char *buf, size_t count) | |
901 | { | |
9129d14d | 902 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
903 | int rv, value; |
904 | ||
905 | rv = parse_arg(buf, count, &value); | |
906 | if (rv > 0) | |
4d441513 | 907 | asus_als_switch(asus, value ? 1 : 0); |
8b857353 CC |
908 | |
909 | return rv; | |
910 | } | |
911 | ||
4d441513 | 912 | static void asus_als_level(struct asus_laptop *asus, int value) |
8b857353 | 913 | { |
d8c67323 | 914 | if (write_acpi_int(ls_level_handle, NULL, value)) |
2fcc23da | 915 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 916 | asus->light_level = value; |
8b857353 CC |
917 | } |
918 | ||
919 | static ssize_t show_lslvl(struct device *dev, | |
920 | struct device_attribute *attr, char *buf) | |
921 | { | |
9129d14d CC |
922 | struct asus_laptop *asus = dev_get_drvdata(dev); |
923 | ||
50a90c4d | 924 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
925 | } |
926 | ||
927 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
928 | const char *buf, size_t count) | |
929 | { | |
9129d14d | 930 | struct asus_laptop *asus = dev_get_drvdata(dev); |
8b857353 CC |
931 | int rv, value; |
932 | ||
933 | rv = parse_arg(buf, count, &value); | |
934 | if (rv > 0) { | |
935 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
936 | /* 0 <= value <= 15 */ | |
4d441513 | 937 | asus_als_level(asus, value); |
8b857353 CC |
938 | } |
939 | ||
940 | return rv; | |
941 | } | |
942 | ||
e539c2f6 CC |
943 | /* |
944 | * GPS | |
6358bf2c | 945 | * TODO: use rfkill |
e539c2f6 | 946 | */ |
6358bf2c CC |
947 | static int asus_gps_status(struct asus_laptop *asus) |
948 | { | |
949 | unsigned long long status; | |
950 | acpi_status rv = AE_OK; | |
951 | ||
952 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
953 | if (ACPI_FAILURE(rv)) { | |
954 | pr_warning("Error reading GPS status\n"); | |
955 | return -ENODEV; | |
956 | } | |
957 | return !!status; | |
958 | } | |
959 | ||
960 | static int asus_gps_switch(struct asus_laptop *asus, int status) | |
961 | { | |
962 | acpi_handle handle = status ? gps_on_handle : gps_off_handle; | |
963 | ||
964 | if (write_acpi_int(handle, NULL, 0x02)) | |
965 | return -ENODEV; | |
966 | return 0; | |
967 | } | |
968 | ||
e539c2f6 CC |
969 | static ssize_t show_gps(struct device *dev, |
970 | struct device_attribute *attr, char *buf) | |
971 | { | |
9129d14d CC |
972 | struct asus_laptop *asus = dev_get_drvdata(dev); |
973 | ||
6358bf2c | 974 | return sprintf(buf, "%d\n", asus_gps_status(asus)); |
e539c2f6 CC |
975 | } |
976 | ||
977 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
978 | const char *buf, size_t count) | |
979 | { | |
6358bf2c CC |
980 | struct asus_laptop *asus = dev_get_drvdata(dev); |
981 | int rv, value; | |
982 | int ret; | |
9129d14d | 983 | |
6358bf2c CC |
984 | rv = parse_arg(buf, count, &value); |
985 | if (rv <= 0) | |
986 | return -EINVAL; | |
987 | ret = asus_gps_switch(asus, !!value); | |
988 | if (ret) | |
989 | return ret; | |
990 | return rv; | |
e539c2f6 CC |
991 | } |
992 | ||
034ce90a | 993 | /* |
be4ee82d | 994 | * Input device (i.e. hotkeys) |
034ce90a | 995 | */ |
9129d14d CC |
996 | static struct key_entry *asus_get_entry_by_scancode(struct asus_laptop *asus, |
997 | int code) | |
034ce90a CC |
998 | { |
999 | struct key_entry *key; | |
1000 | ||
9129d14d | 1001 | for (key = asus->keymap; key->type != KE_END; key++) |
034ce90a CC |
1002 | if (code == key->code) |
1003 | return key; | |
1004 | ||
1005 | return NULL; | |
1006 | } | |
1007 | ||
9129d14d CC |
1008 | static struct key_entry *asus_get_entry_by_keycode(struct asus_laptop *asus, |
1009 | int code) | |
034ce90a CC |
1010 | { |
1011 | struct key_entry *key; | |
1012 | ||
9129d14d | 1013 | for (key = asus->keymap; key->type != KE_END; key++) |
034ce90a CC |
1014 | if (code == key->keycode && key->type == KE_KEY) |
1015 | return key; | |
1016 | ||
1017 | return NULL; | |
1018 | } | |
1019 | ||
1020 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
1021 | { | |
9129d14d CC |
1022 | struct asus_laptop *asus = input_get_drvdata(dev); |
1023 | struct key_entry *key = asus_get_entry_by_scancode(asus, scancode); | |
034ce90a CC |
1024 | |
1025 | if (key && key->type == KE_KEY) { | |
1026 | *keycode = key->keycode; | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | return -EINVAL; | |
1031 | } | |
1032 | ||
1033 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
1034 | { | |
9129d14d | 1035 | struct asus_laptop *asus = input_get_drvdata(dev); |
034ce90a CC |
1036 | struct key_entry *key; |
1037 | int old_keycode; | |
1038 | ||
1039 | if (keycode < 0 || keycode > KEY_MAX) | |
1040 | return -EINVAL; | |
1041 | ||
9129d14d | 1042 | key = asus_get_entry_by_scancode(asus, scancode); |
034ce90a CC |
1043 | if (key && key->type == KE_KEY) { |
1044 | old_keycode = key->keycode; | |
1045 | key->keycode = keycode; | |
1046 | set_bit(keycode, dev->keybit); | |
9129d14d | 1047 | if (!asus_get_entry_by_keycode(asus, old_keycode)) |
034ce90a CC |
1048 | clear_bit(old_keycode, dev->keybit); |
1049 | return 0; | |
1050 | } | |
1051 | ||
1052 | return -EINVAL; | |
1053 | } | |
1054 | ||
be4ee82d CC |
1055 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1056 | { | |
1057 | struct key_entry *key; | |
1058 | ||
1059 | key = asus_get_entry_by_scancode(asus, event); | |
1060 | if (!key) | |
1061 | return ; | |
1062 | ||
1063 | switch (key->type) { | |
1064 | case KE_KEY: | |
1065 | input_report_key(asus->inputdev, key->keycode, 1); | |
1066 | input_sync(asus->inputdev); | |
1067 | input_report_key(asus->inputdev, key->keycode, 0); | |
1068 | input_sync(asus->inputdev); | |
1069 | break; | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | static int asus_input_init(struct asus_laptop *asus) | |
1074 | { | |
1075 | const struct key_entry *key; | |
1076 | int result; | |
1077 | ||
1078 | asus->inputdev = input_allocate_device(); | |
1079 | if (!asus->inputdev) { | |
1080 | pr_info("Unable to allocate input device\n"); | |
1081 | return 0; | |
1082 | } | |
1083 | asus->inputdev->name = "Asus Laptop extra buttons"; | |
1084 | asus->inputdev->dev.parent = &asus->platform_device->dev; | |
1085 | asus->inputdev->phys = ASUS_LAPTOP_FILE "/input0"; | |
1086 | asus->inputdev->id.bustype = BUS_HOST; | |
1087 | asus->inputdev->getkeycode = asus_getkeycode; | |
1088 | asus->inputdev->setkeycode = asus_setkeycode; | |
1089 | input_set_drvdata(asus->inputdev, asus); | |
1090 | ||
1091 | asus->keymap = kmemdup(asus_keymap, sizeof(asus_keymap), | |
1092 | GFP_KERNEL); | |
1093 | for (key = asus->keymap; key->type != KE_END; key++) { | |
1094 | switch (key->type) { | |
1095 | case KE_KEY: | |
1096 | set_bit(EV_KEY, asus->inputdev->evbit); | |
1097 | set_bit(key->keycode, asus->inputdev->keybit); | |
1098 | break; | |
1099 | } | |
1100 | } | |
1101 | result = input_register_device(asus->inputdev); | |
1102 | if (result) { | |
1103 | pr_info("Unable to register input device\n"); | |
1104 | input_free_device(asus->inputdev); | |
1105 | } | |
1106 | return result; | |
1107 | } | |
1108 | ||
1109 | static void asus_input_exit(struct asus_laptop *asus) | |
1110 | { | |
1111 | if (asus->inputdev) | |
1112 | input_unregister_device(asus->inputdev); | |
1113 | } | |
1114 | ||
1115 | /* | |
1116 | * ACPI driver | |
1117 | */ | |
600ad520 | 1118 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 1119 | { |
9129d14d | 1120 | struct asus_laptop *asus = acpi_driver_data(device); |
6050c8dd | 1121 | u16 count; |
034ce90a | 1122 | |
6b7091e7 CC |
1123 | /* |
1124 | * We need to tell the backlight device when the backlight power is | |
1125 | * switched | |
1126 | */ | |
3e68ae7c | 1127 | if (event == ATKD_LCD_ON) |
9129d14d | 1128 | lcd_blank(asus, FB_BLANK_UNBLANK); |
3e68ae7c | 1129 | else if (event == ATKD_LCD_OFF) |
9129d14d | 1130 | lcd_blank(asus, FB_BLANK_POWERDOWN); |
6b7091e7 | 1131 | |
619d8b11 | 1132 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
1133 | count = asus->event_count[event % 128]++; |
1134 | acpi_bus_generate_proc_event(asus->device, event, count); | |
1135 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
1136 | dev_name(&asus->device->dev), event, | |
6050c8dd | 1137 | count); |
85091b71 | 1138 | |
be4ee82d | 1139 | asus_input_notify(asus, event); |
85091b71 CC |
1140 | } |
1141 | ||
1142 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
1143 | struct device_attribute dev_attr_##_name = { \ | |
1144 | .attr = { \ | |
1145 | .name = __stringify(_name), \ | |
7b595756 | 1146 | .mode = 0 }, \ |
85091b71 CC |
1147 | .show = NULL, \ |
1148 | .store = NULL, \ | |
1149 | } | |
1150 | ||
1151 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
1152 | do { \ | |
1153 | dev_attr_##_name.attr.mode = _mode; \ | |
1154 | dev_attr_##_name.show = _show; \ | |
1155 | dev_attr_##_name.store = _store; \ | |
1156 | } while(0) | |
1157 | ||
1158 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
1159 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
1160 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 1161 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 1162 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
1163 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
1164 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 1165 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
1166 | |
1167 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
1168 | &dev_attr_infos.attr, |
1169 | &dev_attr_wlan.attr, | |
1170 | &dev_attr_bluetooth.attr, | |
1171 | &dev_attr_display.attr, | |
1172 | &dev_attr_ledd.attr, | |
1173 | &dev_attr_ls_switch.attr, | |
1174 | &dev_attr_ls_level.attr, | |
e539c2f6 | 1175 | &dev_attr_gps.attr, |
8def05fa | 1176 | NULL |
85091b71 CC |
1177 | }; |
1178 | ||
600ad520 | 1179 | static struct attribute_group platform_attribute_group = { |
8def05fa | 1180 | .attrs = asuspf_attributes |
85091b71 CC |
1181 | }; |
1182 | ||
9129d14d | 1183 | static int asus_platform_init(struct asus_laptop *asus) |
600ad520 CC |
1184 | { |
1185 | int result; | |
1186 | ||
50a90c4d CC |
1187 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1188 | if (!asus->platform_device) | |
600ad520 | 1189 | return -ENOMEM; |
9129d14d | 1190 | platform_set_drvdata(asus->platform_device, asus); |
600ad520 | 1191 | |
50a90c4d | 1192 | result = platform_device_add(asus->platform_device); |
600ad520 CC |
1193 | if (result) |
1194 | goto fail_platform_device; | |
1195 | ||
50a90c4d | 1196 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
600ad520 CC |
1197 | &platform_attribute_group); |
1198 | if (result) | |
1199 | goto fail_sysfs; | |
1200 | return 0; | |
1201 | ||
1202 | fail_sysfs: | |
50a90c4d | 1203 | platform_device_del(asus->platform_device); |
600ad520 | 1204 | fail_platform_device: |
50a90c4d | 1205 | platform_device_put(asus->platform_device); |
600ad520 CC |
1206 | return result; |
1207 | } | |
1208 | ||
9129d14d | 1209 | static void asus_platform_exit(struct asus_laptop *asus) |
600ad520 | 1210 | { |
50a90c4d | 1211 | sysfs_remove_group(&asus->platform_device->dev.kobj, |
600ad520 | 1212 | &platform_attribute_group); |
50a90c4d | 1213 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1214 | } |
1215 | ||
1216 | static struct platform_driver platform_driver = { | |
8def05fa | 1217 | .driver = { |
9129d14d CC |
1218 | .name = ASUS_LAPTOP_FILE, |
1219 | .owner = THIS_MODULE, | |
1220 | } | |
85091b71 CC |
1221 | }; |
1222 | ||
9129d14d | 1223 | static void asus_laptop_add_fs(struct asus_laptop *asus) |
85091b71 CC |
1224 | { |
1225 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
1226 | |
1227 | if (wl_switch_handle) | |
1228 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
1229 | ||
1230 | if (bt_switch_handle) | |
1231 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
1232 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
1233 | |
1234 | if (display_set_handle && display_get_handle) | |
1235 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 1236 | else if (display_set_handle) |
78127b4a CC |
1237 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
1238 | ||
722ad971 CC |
1239 | if (ledd_set_handle) |
1240 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
1241 | ||
8b857353 CC |
1242 | if (ls_switch_handle && ls_level_handle) { |
1243 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
1244 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
1245 | } | |
e539c2f6 | 1246 | |
f3985327 | 1247 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 1248 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
1249 | } |
1250 | ||
8def05fa | 1251 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1252 | char **paths, int num_paths) |
1253 | { | |
1254 | int i; | |
1255 | acpi_status status; | |
1256 | ||
1257 | for (i = 0; i < num_paths; i++) { | |
1258 | status = acpi_get_handle(NULL, paths[i], handle); | |
1259 | if (ACPI_SUCCESS(status)) | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | *handle = NULL; | |
1264 | return -ENODEV; | |
1265 | } | |
1266 | ||
1267 | #define ASUS_HANDLE_INIT(object) \ | |
1268 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1269 | ARRAY_SIZE(object##_paths)) | |
1270 | ||
85091b71 | 1271 | /* |
50a90c4d CC |
1272 | * This function is used to initialize the context with right values. In this |
1273 | * method, we can make all the detection we want, and modify the asus_laptop | |
1274 | * struct | |
85091b71 | 1275 | */ |
7c247645 | 1276 | static int asus_laptop_get_info(struct asus_laptop *asus) |
85091b71 CC |
1277 | { |
1278 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1279 | union acpi_object *model = NULL; |
27663c58 | 1280 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1281 | char *string = NULL; |
1282 | acpi_status status; | |
1283 | ||
1284 | /* | |
1285 | * Get DSDT headers early enough to allow for differentiating between | |
1286 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1287 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1288 | * which needs special handling (i.e. its hotkey device has a different | |
7c247645 | 1289 | * HID), this bit will be moved. |
85091b71 | 1290 | */ |
7c247645 | 1291 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); |
85091b71 | 1292 | if (ACPI_FAILURE(status)) |
2fcc23da | 1293 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1294 | |
1295 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1296 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1297 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1298 | return -ENODEV; |
1299 | } | |
1300 | ||
1301 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1302 | status = |
50a90c4d | 1303 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1304 | if (ACPI_FAILURE(status)) |
2fcc23da | 1305 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1306 | else if (bsts_result) |
2fcc23da | 1307 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1308 | (uint) bsts_result); |
85091b71 | 1309 | |
185e5af9 | 1310 | /* This too ... */ |
50a90c4d | 1311 | write_acpi_int(asus->handle, "CWAP", wapf); |
185e5af9 | 1312 | |
85091b71 CC |
1313 | /* |
1314 | * Try to match the object returned by INIT to the specific model. | |
1315 | * Handle every possible object (or the lack of thereof) the DSDT | |
1316 | * writers might throw at us. When in trouble, we pass NULL to | |
1317 | * asus_model_match() and try something completely different. | |
1318 | */ | |
1319 | if (buffer.pointer) { | |
1320 | model = buffer.pointer; | |
1321 | switch (model->type) { | |
1322 | case ACPI_TYPE_STRING: | |
1323 | string = model->string.pointer; | |
1324 | break; | |
1325 | case ACPI_TYPE_BUFFER: | |
1326 | string = model->buffer.pointer; | |
1327 | break; | |
1328 | default: | |
1329 | string = ""; | |
1330 | break; | |
1331 | } | |
1332 | } | |
50a90c4d CC |
1333 | asus->name = kstrdup(string, GFP_KERNEL); |
1334 | if (!asus->name) | |
85091b71 CC |
1335 | return -ENOMEM; |
1336 | ||
8def05fa | 1337 | if (*string) |
2fcc23da | 1338 | pr_notice(" %s model detected\n", string); |
85091b71 | 1339 | |
be18cdab CC |
1340 | ASUS_HANDLE_INIT(mled_set); |
1341 | ASUS_HANDLE_INIT(tled_set); | |
1342 | ASUS_HANDLE_INIT(rled_set); | |
1343 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1344 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1345 | |
722ad971 CC |
1346 | ASUS_HANDLE_INIT(ledd_set); |
1347 | ||
b7d3fbc2 CC |
1348 | ASUS_HANDLE_INIT(kled_set); |
1349 | ASUS_HANDLE_INIT(kled_get); | |
1350 | ||
4564de17 CC |
1351 | /* |
1352 | * The HWRS method return informations about the hardware. | |
1353 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1354 | * The significance of others is yet to be found. | |
1355 | * If we don't find the method, we assume the device are present. | |
1356 | */ | |
9a816850 | 1357 | status = |
50a90c4d | 1358 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
9a816850 | 1359 | if (ACPI_FAILURE(status)) |
4564de17 CC |
1360 | hwrs_result = WL_HWRS | BT_HWRS; |
1361 | ||
8def05fa | 1362 | if (hwrs_result & WL_HWRS) |
4564de17 | 1363 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1364 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1365 | ASUS_HANDLE_INIT(bt_switch); |
1366 | ||
aa9df930 CC |
1367 | if (!ASUS_HANDLE_INIT(wireless_status)) |
1368 | asus->have_rsts = true; | |
4564de17 | 1369 | |
6b7091e7 CC |
1370 | ASUS_HANDLE_INIT(brightness_set); |
1371 | ASUS_HANDLE_INIT(brightness_get); | |
1372 | ||
1373 | ASUS_HANDLE_INIT(lcd_switch); | |
1374 | ||
78127b4a CC |
1375 | ASUS_HANDLE_INIT(display_set); |
1376 | ASUS_HANDLE_INIT(display_get); | |
1377 | ||
be966660 CC |
1378 | /* |
1379 | * There is a lot of models with "ALSL", but a few get | |
1380 | * a real light sens, so we need to check it. | |
1381 | */ | |
832d9950 | 1382 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1383 | ASUS_HANDLE_INIT(ls_level); |
1384 | ||
e539c2f6 CC |
1385 | ASUS_HANDLE_INIT(gps_on); |
1386 | ASUS_HANDLE_INIT(gps_off); | |
1387 | ASUS_HANDLE_INIT(gps_status); | |
1388 | ||
85091b71 CC |
1389 | kfree(model); |
1390 | ||
1391 | return AE_OK; | |
1392 | } | |
1393 | ||
600ad520 CC |
1394 | static bool asus_device_present; |
1395 | ||
9129d14d | 1396 | static int __devinit asus_acpi_init(struct asus_laptop *asus) |
85091b71 | 1397 | { |
600ad520 | 1398 | int result = 0; |
85091b71 | 1399 | |
50a90c4d | 1400 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1401 | if (result) |
85091b71 | 1402 | return result; |
50a90c4d | 1403 | if (!asus->device->status.present) { |
600ad520 | 1404 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1405 | return -ENODEV; |
1406 | } | |
1407 | ||
7c247645 | 1408 | result = asus_laptop_get_info(asus); |
034ce90a | 1409 | if (result) |
600ad520 | 1410 | return result; |
034ce90a | 1411 | |
9129d14d | 1412 | asus_laptop_add_fs(asus); |
85091b71 | 1413 | |
600ad520 | 1414 | /* WLED and BLED are on by default */ |
be4ee82d | 1415 | if (bluetooth_status >= 0) |
17e78f62 | 1416 | write_acpi_int(bt_switch_handle, NULL, !!bluetooth_status); |
be4ee82d | 1417 | if (wireless_status >= 0) |
17e78f62 | 1418 | write_acpi_int(wl_switch_handle, NULL, !!wireless_status); |
85091b71 | 1419 | |
600ad520 CC |
1420 | /* Keyboard Backlight is on by default */ |
1421 | if (kled_set_handle) | |
4d441513 | 1422 | asus_kled_set(asus, 1); |
600ad520 CC |
1423 | |
1424 | /* LED display is off by default */ | |
50a90c4d | 1425 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1426 | |
1427 | /* Set initial values of light sensor and level */ | |
be4ee82d CC |
1428 | asus->light_switch = 0; /* Default to light sensor disabled */ |
1429 | asus->light_level = 5; /* level 5 for sensor sensitivity */ | |
600ad520 CC |
1430 | |
1431 | if (ls_switch_handle) | |
4d441513 | 1432 | asus_als_switch(asus, asus->light_switch); |
600ad520 CC |
1433 | |
1434 | if (ls_level_handle) | |
4d441513 | 1435 | asus_als_level(asus, asus->light_level); |
600ad520 CC |
1436 | |
1437 | /* GPS is on by default */ | |
6358bf2c | 1438 | asus_gps_switch(asus, 1); |
600ad520 CC |
1439 | return result; |
1440 | } | |
1441 | ||
1442 | static int __devinit asus_acpi_add(struct acpi_device *device) | |
1443 | { | |
9129d14d | 1444 | struct asus_laptop *asus; |
600ad520 CC |
1445 | int result; |
1446 | ||
1447 | pr_notice("Asus Laptop Support version %s\n", | |
1448 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1449 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1450 | if (!asus) | |
600ad520 | 1451 | return -ENOMEM; |
50a90c4d CC |
1452 | asus->handle = device->handle; |
1453 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1454 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1455 | device->driver_data = asus; | |
1456 | asus->device = device; | |
600ad520 | 1457 | |
9129d14d | 1458 | result = asus_acpi_init(asus); |
8def05fa | 1459 | if (result) |
600ad520 | 1460 | goto fail_platform; |
85091b71 | 1461 | |
600ad520 CC |
1462 | /* |
1463 | * Register the platform device first. It is used as a parent for the | |
1464 | * sub-devices below. | |
1465 | */ | |
9129d14d | 1466 | result = asus_platform_init(asus); |
116bf2e0 | 1467 | if (result) |
600ad520 | 1468 | goto fail_platform; |
116bf2e0 CC |
1469 | |
1470 | if (!acpi_video_backlight_support()) { | |
9129d14d | 1471 | result = asus_backlight_init(asus); |
116bf2e0 CC |
1472 | if (result) |
1473 | goto fail_backlight; | |
1474 | } else | |
600ad520 | 1475 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1476 | |
9129d14d | 1477 | result = asus_input_init(asus); |
600ad520 CC |
1478 | if (result) |
1479 | goto fail_input; | |
1480 | ||
9129d14d | 1481 | result = asus_led_init(asus); |
600ad520 CC |
1482 | if (result) |
1483 | goto fail_led; | |
1484 | ||
1485 | asus_device_present = true; | |
8def05fa | 1486 | return 0; |
85091b71 | 1487 | |
600ad520 | 1488 | fail_led: |
9129d14d | 1489 | asus_input_exit(asus); |
600ad520 | 1490 | fail_input: |
9129d14d | 1491 | asus_backlight_exit(asus); |
116bf2e0 | 1492 | fail_backlight: |
9129d14d | 1493 | asus_platform_exit(asus); |
600ad520 | 1494 | fail_platform: |
50a90c4d CC |
1495 | kfree(asus->name); |
1496 | kfree(asus); | |
116bf2e0 | 1497 | |
600ad520 CC |
1498 | return result; |
1499 | } | |
116bf2e0 | 1500 | |
600ad520 CC |
1501 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1502 | { | |
9129d14d CC |
1503 | struct asus_laptop *asus = acpi_driver_data(device); |
1504 | ||
1505 | asus_backlight_exit(asus); | |
1506 | asus_led_exit(asus); | |
1507 | asus_input_exit(asus); | |
1508 | asus_platform_exit(asus); | |
600ad520 | 1509 | |
50a90c4d CC |
1510 | kfree(asus->name); |
1511 | kfree(asus); | |
600ad520 CC |
1512 | return 0; |
1513 | } | |
1514 | ||
1515 | static const struct acpi_device_id asus_device_ids[] = { | |
1516 | {"ATK0100", 0}, | |
1517 | {"ATK0101", 0}, | |
1518 | {"", 0}, | |
1519 | }; | |
1520 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1521 | |
600ad520 | 1522 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1523 | .name = ASUS_LAPTOP_NAME, |
1524 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1525 | .owner = THIS_MODULE, |
1526 | .ids = asus_device_ids, | |
1527 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1528 | .ops = { | |
1529 | .add = asus_acpi_add, | |
1530 | .remove = asus_acpi_remove, | |
1531 | .notify = asus_acpi_notify, | |
1532 | }, | |
1533 | }; | |
85091b71 | 1534 | |
600ad520 CC |
1535 | static int __init asus_laptop_init(void) |
1536 | { | |
1537 | int result; | |
85091b71 | 1538 | |
600ad520 CC |
1539 | result = platform_driver_register(&platform_driver); |
1540 | if (result < 0) | |
1541 | return result; | |
034ce90a | 1542 | |
600ad520 CC |
1543 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1544 | if (result < 0) | |
1545 | goto fail_acpi_driver; | |
1546 | if (!asus_device_present) { | |
1547 | result = -ENODEV; | |
1548 | goto fail_no_device; | |
1549 | } | |
1550 | return 0; | |
85091b71 | 1551 | |
600ad520 CC |
1552 | fail_no_device: |
1553 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1554 | fail_acpi_driver: | |
1555 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1556 | return result; |
1557 | } | |
1558 | ||
600ad520 CC |
1559 | static void __exit asus_laptop_exit(void) |
1560 | { | |
1561 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1562 | platform_driver_unregister(&platform_driver); | |
1563 | } | |
1564 | ||
85091b71 CC |
1565 | module_init(asus_laptop_init); |
1566 | module_exit(asus_laptop_exit); |