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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 | ||
85091b71 CC |
36 | #include <linux/kernel.h> |
37 | #include <linux/module.h> | |
38 | #include <linux/init.h> | |
39 | #include <linux/types.h> | |
40 | #include <linux/err.h> | |
41 | #include <linux/proc_fs.h> | |
6b7091e7 CC |
42 | #include <linux/backlight.h> |
43 | #include <linux/fb.h> | |
be18cdab | 44 | #include <linux/leds.h> |
85091b71 CC |
45 | #include <linux/platform_device.h> |
46 | #include <acpi/acpi_drivers.h> | |
47 | #include <acpi/acpi_bus.h> | |
48 | #include <asm/uaccess.h> | |
49 | ||
f3985327 | 50 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 CC |
51 | |
52 | #define ASUS_HOTK_NAME "Asus Laptop Support" | |
53 | #define ASUS_HOTK_CLASS "hotkey" | |
54 | #define ASUS_HOTK_DEVICE_NAME "Hotkey" | |
85091b71 CC |
55 | #define ASUS_HOTK_FILE "asus-laptop" |
56 | #define ASUS_HOTK_PREFIX "\\_SB.ATKD." | |
57 | ||
6b7091e7 CC |
58 | /* |
59 | * Some events we use, same for all Asus | |
60 | */ | |
61 | #define ATKD_BR_UP 0x10 | |
62 | #define ATKD_BR_DOWN 0x20 | |
63 | #define ATKD_LCD_ON 0x33 | |
64 | #define ATKD_LCD_OFF 0x34 | |
65 | ||
4564de17 CC |
66 | /* |
67 | * Known bits returned by \_SB.ATKD.HWRS | |
68 | */ | |
69 | #define WL_HWRS 0x80 | |
70 | #define BT_HWRS 0x100 | |
71 | ||
be18cdab CC |
72 | /* |
73 | * Flags for hotk status | |
4564de17 | 74 | * WL_ON and BT_ON are also used for wireless_status() |
be18cdab | 75 | */ |
4564de17 CC |
76 | #define WL_ON 0x01 //internal Wifi |
77 | #define BT_ON 0x02 //internal Bluetooth | |
be18cdab CC |
78 | #define MLED_ON 0x04 //mail LED |
79 | #define TLED_ON 0x08 //touchpad LED | |
8def05fa LB |
80 | #define RLED_ON 0x10 //Record LED |
81 | #define PLED_ON 0x20 //Phone LED | |
fdd8d080 CC |
82 | #define GLED_ON 0x40 //Gaming LED |
83 | #define LCD_ON 0x80 //LCD backlight | |
f3985327 | 84 | #define GPS_ON 0x100 //GPS |
be18cdab | 85 | |
85091b71 CC |
86 | #define ASUS_LOG ASUS_HOTK_FILE ": " |
87 | #define ASUS_ERR KERN_ERR ASUS_LOG | |
88 | #define ASUS_WARNING KERN_WARNING ASUS_LOG | |
89 | #define ASUS_NOTICE KERN_NOTICE ASUS_LOG | |
90 | #define ASUS_INFO KERN_INFO ASUS_LOG | |
91 | #define ASUS_DEBUG KERN_DEBUG ASUS_LOG | |
92 | ||
93 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); | |
94 | MODULE_DESCRIPTION(ASUS_HOTK_NAME); | |
95 | MODULE_LICENSE("GPL"); | |
96 | ||
185e5af9 CC |
97 | /* WAPF defines the behavior of the Fn+Fx wlan key |
98 | * The significance of values is yet to be found, but | |
99 | * most of the time: | |
100 | * 0x0 will do nothing | |
101 | * 0x1 will allow to control the device with Fn+Fx key. | |
102 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
103 | * 0x5 like 0x1 or 0x4 | |
104 | * So, if something doesn't work as you want, just try other values =) | |
105 | */ | |
106 | static uint wapf = 1; | |
107 | module_param(wapf, uint, 0644); | |
108 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
109 | ||
85091b71 CC |
110 | #define ASUS_HANDLE(object, paths...) \ |
111 | static acpi_handle object##_handle = NULL; \ | |
112 | static char *object##_paths[] = { paths } | |
113 | ||
be18cdab CC |
114 | /* LED */ |
115 | ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); | |
116 | ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); | |
8def05fa LB |
117 | ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ |
118 | ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ | |
fdd8d080 | 119 | ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ |
be18cdab | 120 | |
722ad971 CC |
121 | /* LEDD */ |
122 | ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); | |
123 | ||
4564de17 CC |
124 | /* Bluetooth and WLAN |
125 | * WLED and BLED are not handled like other XLED, because in some dsdt | |
126 | * they also control the WLAN/Bluetooth device. | |
127 | */ | |
128 | ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); | |
129 | ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); | |
8def05fa | 130 | ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ |
4564de17 | 131 | |
6b7091e7 CC |
132 | /* Brightness */ |
133 | ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); | |
134 | ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); | |
135 | ||
136 | /* Backlight */ | |
8def05fa LB |
137 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
138 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
139 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
140 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
141 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
142 | "\\_SB.PCI0.PX40.Q10", /* S1x */ | |
143 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 144 | |
78127b4a CC |
145 | /* Display */ |
146 | ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); | |
8def05fa LB |
147 | ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G |
148 | M6A M6V VX-1 V6J V6V W3Z */ | |
149 | "\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V | |
f3985327 | 150 | S5A M5A z33A W1Jc W2V G1 */ |
8def05fa LB |
151 | "\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */ |
152 | "\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */ | |
153 | "\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */ | |
154 | "\\_SB.PCI0.VGA.GETD", /* Z96F */ | |
155 | "\\ACTD", /* A2D */ | |
156 | "\\ADVG", /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
157 | "\\DNXT", /* P30 */ | |
158 | "\\INFB", /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
159 | "\\SSTE"); /* A3F A6F A3N A3L M6N W3N W6A */ | |
160 | ||
161 | ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ | |
162 | ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 163 | |
e539c2f6 CC |
164 | /* GPS */ |
165 | /* R2H use different handle for GPS on/off */ | |
f3985327 CC |
166 | ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */ |
167 | ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */ | |
e539c2f6 CC |
168 | ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST"); |
169 | ||
85091b71 CC |
170 | /* |
171 | * This is the main structure, we can use it to store anything interesting | |
172 | * about the hotk device | |
173 | */ | |
174 | struct asus_hotk { | |
8def05fa | 175 | char *name; //laptop name |
85091b71 CC |
176 | struct acpi_device *device; //the device we are in |
177 | acpi_handle handle; //the handle of the hotk device | |
178 | char status; //status of the hotk, for LEDs, ... | |
722ad971 | 179 | u32 ledd_status; //status of the LED display |
8def05fa LB |
180 | u8 light_level; //light sensor level |
181 | u8 light_switch; //light sensor switch value | |
85091b71 CC |
182 | u16 event_count[128]; //count for each event TODO make this better |
183 | }; | |
184 | ||
185 | /* | |
186 | * This header is made available to allow proper configuration given model, | |
187 | * revision number , ... this info cannot go in struct asus_hotk because it is | |
188 | * available before the hotk | |
189 | */ | |
190 | static struct acpi_table_header *asus_info; | |
191 | ||
192 | /* The actual device the driver binds to */ | |
193 | static struct asus_hotk *hotk; | |
194 | ||
195 | /* | |
196 | * The hotkey driver declaration | |
197 | */ | |
1ba90e3a TR |
198 | static const struct acpi_device_id asus_device_ids[] = { |
199 | {"ATK0100", 0}, | |
200 | {"", 0}, | |
201 | }; | |
202 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
203 | ||
85091b71 CC |
204 | static int asus_hotk_add(struct acpi_device *device); |
205 | static int asus_hotk_remove(struct acpi_device *device, int type); | |
206 | static struct acpi_driver asus_hotk_driver = { | |
207 | .name = ASUS_HOTK_NAME, | |
208 | .class = ASUS_HOTK_CLASS, | |
1ba90e3a | 209 | .ids = asus_device_ids, |
85091b71 CC |
210 | .ops = { |
211 | .add = asus_hotk_add, | |
212 | .remove = asus_hotk_remove, | |
213 | }, | |
214 | }; | |
215 | ||
6b7091e7 CC |
216 | /* The backlight device /sys/class/backlight */ |
217 | static struct backlight_device *asus_backlight_device; | |
218 | ||
219 | /* | |
220 | * The backlight class declaration | |
221 | */ | |
222 | static int read_brightness(struct backlight_device *bd); | |
223 | static int update_bl_status(struct backlight_device *bd); | |
599a52d1 | 224 | static struct backlight_ops asusbl_ops = { |
8def05fa LB |
225 | .get_brightness = read_brightness, |
226 | .update_status = update_bl_status, | |
6b7091e7 CC |
227 | }; |
228 | ||
be18cdab CC |
229 | /* These functions actually update the LED's, and are called from a |
230 | * workqueue. By doing this as separate work rather than when the LED | |
231 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
232 | * potentially bad time, such as a timer interrupt. */ | |
233 | static struct workqueue_struct *led_workqueue; | |
234 | ||
235 | #define ASUS_LED(object, ledname) \ | |
236 | static void object##_led_set(struct led_classdev *led_cdev, \ | |
237 | enum led_brightness value); \ | |
238 | static void object##_led_update(struct work_struct *ignored); \ | |
239 | static int object##_led_wk; \ | |
f110ef58 | 240 | static DECLARE_WORK(object##_led_work, object##_led_update); \ |
be18cdab CC |
241 | static struct led_classdev object##_led = { \ |
242 | .name = "asus:" ledname, \ | |
243 | .brightness_set = object##_led_set, \ | |
244 | } | |
245 | ||
246 | ASUS_LED(mled, "mail"); | |
247 | ASUS_LED(tled, "touchpad"); | |
248 | ASUS_LED(rled, "record"); | |
249 | ASUS_LED(pled, "phone"); | |
fdd8d080 | 250 | ASUS_LED(gled, "gaming"); |
be18cdab | 251 | |
85091b71 CC |
252 | /* |
253 | * This function evaluates an ACPI method, given an int as parameter, the | |
254 | * method is searched within the scope of the handle, can be NULL. The output | |
255 | * of the method is written is output, which can also be NULL | |
256 | * | |
257 | * returns 1 if write is successful, 0 else. | |
258 | */ | |
259 | static int write_acpi_int(acpi_handle handle, const char *method, int val, | |
260 | struct acpi_buffer *output) | |
261 | { | |
262 | struct acpi_object_list params; //list of input parameters (an int here) | |
263 | union acpi_object in_obj; //the only param we use | |
264 | acpi_status status; | |
265 | ||
266 | params.count = 1; | |
267 | params.pointer = &in_obj; | |
268 | in_obj.type = ACPI_TYPE_INTEGER; | |
269 | in_obj.integer.value = val; | |
270 | ||
271 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
272 | return (status == AE_OK); | |
273 | } | |
274 | ||
8def05fa LB |
275 | static int read_wireless_status(int mask) |
276 | { | |
9a816850 CC |
277 | ulong status; |
278 | acpi_status rv = AE_OK; | |
4564de17 CC |
279 | |
280 | if (!wireless_status_handle) | |
281 | return (hotk->status & mask) ? 1 : 0; | |
282 | ||
9a816850 CC |
283 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); |
284 | if (ACPI_FAILURE(rv)) | |
4564de17 | 285 | printk(ASUS_WARNING "Error reading Wireless status\n"); |
9a816850 CC |
286 | else |
287 | return (status & mask) ? 1 : 0; | |
4564de17 CC |
288 | |
289 | return (hotk->status & mask) ? 1 : 0; | |
290 | } | |
291 | ||
f3985327 CC |
292 | static int read_gps_status(void) |
293 | { | |
294 | ulong status; | |
e539c2f6 CC |
295 | acpi_status rv = AE_OK; |
296 | ||
297 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
298 | if (ACPI_FAILURE(rv)) | |
f3985327 | 299 | printk(ASUS_WARNING "Error reading GPS status\n"); |
e539c2f6 | 300 | else |
f3985327 | 301 | return status ? 1 : 0; |
e539c2f6 | 302 | |
f3985327 | 303 | return (hotk->status & GPS_ON) ? 1 : 0; |
e539c2f6 CC |
304 | } |
305 | ||
be18cdab CC |
306 | /* Generic LED functions */ |
307 | static int read_status(int mask) | |
308 | { | |
4564de17 CC |
309 | /* There is a special method for both wireless devices */ |
310 | if (mask == BT_ON || mask == WL_ON) | |
311 | return read_wireless_status(mask); | |
f3985327 CC |
312 | else if (mask == GPS_ON) |
313 | return read_gps_status(); | |
4564de17 | 314 | |
be18cdab CC |
315 | return (hotk->status & mask) ? 1 : 0; |
316 | } | |
317 | ||
935ffeec | 318 | static void write_status(acpi_handle handle, int out, int mask) |
be18cdab CC |
319 | { |
320 | hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); | |
321 | ||
935ffeec CC |
322 | switch (mask) { |
323 | case MLED_ON: | |
be18cdab | 324 | out = !out & 0x1; |
935ffeec | 325 | break; |
fdd8d080 CC |
326 | case GLED_ON: |
327 | out = (out & 0x1) + 1; | |
328 | break; | |
e539c2f6 CC |
329 | case GPS_ON: |
330 | handle = (out) ? gps_on_handle : gps_off_handle; | |
331 | out = 0x02; | |
332 | break; | |
935ffeec CC |
333 | default: |
334 | out &= 0x1; | |
335 | break; | |
336 | } | |
be18cdab CC |
337 | |
338 | if (handle && !write_acpi_int(handle, NULL, out, NULL)) | |
935ffeec | 339 | printk(ASUS_WARNING " write failed %x\n", mask); |
be18cdab CC |
340 | } |
341 | ||
342 | /* /sys/class/led handlers */ | |
935ffeec | 343 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
344 | static void object##_led_set(struct led_classdev *led_cdev, \ |
345 | enum led_brightness value) \ | |
346 | { \ | |
347 | object##_led_wk = value; \ | |
348 | queue_work(led_workqueue, &object##_led_work); \ | |
349 | } \ | |
350 | static void object##_led_update(struct work_struct *ignored) \ | |
351 | { \ | |
352 | int value = object##_led_wk; \ | |
935ffeec | 353 | write_status(object##_set_handle, value, (mask)); \ |
be18cdab CC |
354 | } |
355 | ||
935ffeec CC |
356 | ASUS_LED_HANDLER(mled, MLED_ON); |
357 | ASUS_LED_HANDLER(pled, PLED_ON); | |
358 | ASUS_LED_HANDLER(rled, RLED_ON); | |
359 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 360 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 361 | |
6b7091e7 CC |
362 | static int get_lcd_state(void) |
363 | { | |
364 | return read_status(LCD_ON); | |
365 | } | |
366 | ||
367 | static int set_lcd_state(int value) | |
368 | { | |
369 | int lcd = 0; | |
370 | acpi_status status = 0; | |
371 | ||
372 | lcd = value ? 1 : 0; | |
373 | ||
374 | if (lcd == get_lcd_state()) | |
375 | return 0; | |
376 | ||
8def05fa | 377 | if (lcd_switch_handle) { |
6b7091e7 CC |
378 | status = acpi_evaluate_object(lcd_switch_handle, |
379 | NULL, NULL, NULL); | |
380 | ||
381 | if (ACPI_FAILURE(status)) | |
382 | printk(ASUS_WARNING "Error switching LCD\n"); | |
383 | } | |
384 | ||
935ffeec | 385 | write_status(NULL, lcd, LCD_ON); |
6b7091e7 CC |
386 | return 0; |
387 | } | |
388 | ||
389 | static void lcd_blank(int blank) | |
390 | { | |
391 | struct backlight_device *bd = asus_backlight_device; | |
392 | ||
8def05fa | 393 | if (bd) { |
599a52d1 | 394 | bd->props.power = blank; |
28ee086d | 395 | backlight_update_status(bd); |
6b7091e7 CC |
396 | } |
397 | } | |
398 | ||
399 | static int read_brightness(struct backlight_device *bd) | |
400 | { | |
9a816850 CC |
401 | ulong value; |
402 | acpi_status rv = AE_OK; | |
6b7091e7 | 403 | |
9a816850 CC |
404 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
405 | if (ACPI_FAILURE(rv)) | |
6b7091e7 CC |
406 | printk(ASUS_WARNING "Error reading brightness\n"); |
407 | ||
408 | return value; | |
409 | } | |
410 | ||
411 | static int set_brightness(struct backlight_device *bd, int value) | |
412 | { | |
413 | int ret = 0; | |
414 | ||
415 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
416 | /* 0 <= value <= 15 */ | |
417 | ||
418 | if (!write_acpi_int(brightness_set_handle, NULL, value, NULL)) { | |
419 | printk(ASUS_WARNING "Error changing brightness\n"); | |
420 | ret = -EIO; | |
421 | } | |
422 | ||
423 | return ret; | |
424 | } | |
425 | ||
426 | static int update_bl_status(struct backlight_device *bd) | |
427 | { | |
428 | int rv; | |
599a52d1 | 429 | int value = bd->props.brightness; |
6b7091e7 CC |
430 | |
431 | rv = set_brightness(bd, value); | |
8def05fa | 432 | if (rv) |
6b7091e7 CC |
433 | return rv; |
434 | ||
599a52d1 | 435 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
6b7091e7 CC |
436 | return set_lcd_state(value); |
437 | } | |
438 | ||
85091b71 CC |
439 | /* |
440 | * Platform device handlers | |
441 | */ | |
442 | ||
443 | /* | |
444 | * We write our info in page, we begin at offset off and cannot write more | |
445 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
446 | * number of bytes written in page | |
447 | */ | |
448 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 449 | struct device_attribute *attr, char *page) |
85091b71 CC |
450 | { |
451 | int len = 0; | |
9a816850 | 452 | ulong temp; |
85091b71 | 453 | char buf[16]; //enough for all info |
9a816850 CC |
454 | acpi_status rv = AE_OK; |
455 | ||
85091b71 CC |
456 | /* |
457 | * We use the easy way, we don't care of off and count, so we don't set eof | |
458 | * to 1 | |
459 | */ | |
460 | ||
461 | len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); | |
462 | len += sprintf(page + len, "Model reference : %s\n", hotk->name); | |
463 | /* | |
464 | * The SFUN method probably allows the original driver to get the list | |
465 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
466 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
467 | * The significance of others is yet to be found. | |
468 | */ | |
9a816850 CC |
469 | rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp); |
470 | if (!ACPI_FAILURE(rv)) | |
471 | len += sprintf(page + len, "SFUN value : 0x%04x\n", | |
472 | (uint) temp); | |
85091b71 CC |
473 | /* |
474 | * Another value for userspace: the ASYM method returns 0x02 for | |
475 | * battery low and 0x04 for battery critical, its readings tend to be | |
476 | * more accurate than those provided by _BST. | |
477 | * Note: since not all the laptops provide this method, errors are | |
478 | * silently ignored. | |
479 | */ | |
9a816850 CC |
480 | rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp); |
481 | if (!ACPI_FAILURE(rv)) | |
482 | len += sprintf(page + len, "ASYM value : 0x%04x\n", | |
483 | (uint) temp); | |
85091b71 CC |
484 | if (asus_info) { |
485 | snprintf(buf, 16, "%d", asus_info->length); | |
486 | len += sprintf(page + len, "DSDT length : %s\n", buf); | |
487 | snprintf(buf, 16, "%d", asus_info->checksum); | |
488 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); | |
489 | snprintf(buf, 16, "%d", asus_info->revision); | |
490 | len += sprintf(page + len, "DSDT revision : %s\n", buf); | |
491 | snprintf(buf, 7, "%s", asus_info->oem_id); | |
492 | len += sprintf(page + len, "OEM id : %s\n", buf); | |
493 | snprintf(buf, 9, "%s", asus_info->oem_table_id); | |
494 | len += sprintf(page + len, "OEM table id : %s\n", buf); | |
495 | snprintf(buf, 16, "%x", asus_info->oem_revision); | |
496 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); | |
497 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); | |
498 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); | |
499 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); | |
500 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); | |
501 | } | |
502 | ||
503 | return len; | |
504 | } | |
505 | ||
506 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
507 | { | |
508 | if (!count) | |
509 | return 0; | |
510 | if (count > 31) | |
511 | return -EINVAL; | |
512 | if (sscanf(buf, "%i", val) != 1) | |
513 | return -EINVAL; | |
514 | return count; | |
515 | } | |
516 | ||
4564de17 | 517 | static ssize_t store_status(const char *buf, size_t count, |
935ffeec | 518 | acpi_handle handle, int mask) |
4564de17 CC |
519 | { |
520 | int rv, value; | |
521 | int out = 0; | |
522 | ||
523 | rv = parse_arg(buf, count, &value); | |
524 | if (rv > 0) | |
525 | out = value ? 1 : 0; | |
526 | ||
935ffeec | 527 | write_status(handle, out, mask); |
4564de17 CC |
528 | |
529 | return rv; | |
530 | } | |
531 | ||
722ad971 CC |
532 | /* |
533 | * LEDD display | |
534 | */ | |
535 | static ssize_t show_ledd(struct device *dev, | |
536 | struct device_attribute *attr, char *buf) | |
537 | { | |
538 | return sprintf(buf, "0x%08x\n", hotk->ledd_status); | |
539 | } | |
540 | ||
541 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
542 | const char *buf, size_t count) | |
543 | { | |
544 | int rv, value; | |
545 | ||
546 | rv = parse_arg(buf, count, &value); | |
547 | if (rv > 0) { | |
548 | if (!write_acpi_int(ledd_set_handle, NULL, value, NULL)) | |
549 | printk(ASUS_WARNING "LED display write failed\n"); | |
550 | else | |
551 | hotk->ledd_status = (u32) value; | |
552 | } | |
553 | return rv; | |
554 | } | |
555 | ||
4564de17 CC |
556 | /* |
557 | * WLAN | |
558 | */ | |
559 | static ssize_t show_wlan(struct device *dev, | |
560 | struct device_attribute *attr, char *buf) | |
561 | { | |
562 | return sprintf(buf, "%d\n", read_status(WL_ON)); | |
563 | } | |
564 | ||
565 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
566 | const char *buf, size_t count) | |
567 | { | |
935ffeec | 568 | return store_status(buf, count, wl_switch_handle, WL_ON); |
4564de17 CC |
569 | } |
570 | ||
571 | /* | |
572 | * Bluetooth | |
573 | */ | |
574 | static ssize_t show_bluetooth(struct device *dev, | |
575 | struct device_attribute *attr, char *buf) | |
576 | { | |
577 | return sprintf(buf, "%d\n", read_status(BT_ON)); | |
578 | } | |
579 | ||
8def05fa LB |
580 | static ssize_t store_bluetooth(struct device *dev, |
581 | struct device_attribute *attr, const char *buf, | |
582 | size_t count) | |
4564de17 | 583 | { |
935ffeec | 584 | return store_status(buf, count, bt_switch_handle, BT_ON); |
4564de17 CC |
585 | } |
586 | ||
78127b4a CC |
587 | /* |
588 | * Display | |
589 | */ | |
590 | static void set_display(int value) | |
591 | { | |
592 | /* no sanity check needed for now */ | |
593 | if (!write_acpi_int(display_set_handle, NULL, value, NULL)) | |
594 | printk(ASUS_WARNING "Error setting display\n"); | |
595 | return; | |
596 | } | |
597 | ||
598 | static int read_display(void) | |
599 | { | |
9a816850 CC |
600 | ulong value = 0; |
601 | acpi_status rv = AE_OK; | |
78127b4a CC |
602 | |
603 | /* In most of the case, we know how to set the display, but sometime | |
604 | we can't read it */ | |
8def05fa | 605 | if (display_get_handle) { |
9a816850 CC |
606 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
607 | NULL, &value); | |
608 | if (ACPI_FAILURE(rv)) | |
78127b4a CC |
609 | printk(ASUS_WARNING "Error reading display status\n"); |
610 | } | |
611 | ||
612 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
613 | ||
614 | return value; | |
615 | } | |
8def05fa | 616 | |
78127b4a CC |
617 | /* |
618 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
619 | * complained. The significance of bits is the same as in store_disp() | |
620 | */ | |
621 | static ssize_t show_disp(struct device *dev, | |
622 | struct device_attribute *attr, char *buf) | |
623 | { | |
624 | return sprintf(buf, "%d\n", read_display()); | |
625 | } | |
626 | ||
627 | /* | |
628 | * Experimental support for display switching. As of now: 1 should activate | |
629 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
630 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
631 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
632 | * for more info. | |
633 | */ | |
634 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
635 | const char *buf, size_t count) | |
636 | { | |
637 | int rv, value; | |
638 | ||
639 | rv = parse_arg(buf, count, &value); | |
640 | if (rv > 0) | |
641 | set_display(value); | |
642 | return rv; | |
643 | } | |
644 | ||
8b857353 CC |
645 | /* |
646 | * Light Sens | |
647 | */ | |
648 | static void set_light_sens_switch(int value) | |
649 | { | |
650 | if (!write_acpi_int(ls_switch_handle, NULL, value, NULL)) | |
651 | printk(ASUS_WARNING "Error setting light sensor switch\n"); | |
652 | hotk->light_switch = value; | |
653 | } | |
654 | ||
655 | static ssize_t show_lssw(struct device *dev, | |
656 | struct device_attribute *attr, char *buf) | |
657 | { | |
658 | return sprintf(buf, "%d\n", hotk->light_switch); | |
659 | } | |
660 | ||
661 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
662 | const char *buf, size_t count) | |
663 | { | |
664 | int rv, value; | |
665 | ||
666 | rv = parse_arg(buf, count, &value); | |
667 | if (rv > 0) | |
668 | set_light_sens_switch(value ? 1 : 0); | |
669 | ||
670 | return rv; | |
671 | } | |
672 | ||
673 | static void set_light_sens_level(int value) | |
674 | { | |
675 | if (!write_acpi_int(ls_level_handle, NULL, value, NULL)) | |
676 | printk(ASUS_WARNING "Error setting light sensor level\n"); | |
677 | hotk->light_level = value; | |
678 | } | |
679 | ||
680 | static ssize_t show_lslvl(struct device *dev, | |
681 | struct device_attribute *attr, char *buf) | |
682 | { | |
683 | return sprintf(buf, "%d\n", hotk->light_level); | |
684 | } | |
685 | ||
686 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
687 | const char *buf, size_t count) | |
688 | { | |
689 | int rv, value; | |
690 | ||
691 | rv = parse_arg(buf, count, &value); | |
692 | if (rv > 0) { | |
693 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
694 | /* 0 <= value <= 15 */ | |
695 | set_light_sens_level(value); | |
696 | } | |
697 | ||
698 | return rv; | |
699 | } | |
700 | ||
e539c2f6 CC |
701 | /* |
702 | * GPS | |
703 | */ | |
704 | static ssize_t show_gps(struct device *dev, | |
705 | struct device_attribute *attr, char *buf) | |
706 | { | |
707 | return sprintf(buf, "%d\n", read_status(GPS_ON)); | |
708 | } | |
709 | ||
710 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
711 | const char *buf, size_t count) | |
712 | { | |
f3985327 | 713 | return store_status(buf, count, NULL, GPS_ON); |
e539c2f6 CC |
714 | } |
715 | ||
85091b71 CC |
716 | static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) |
717 | { | |
718 | /* TODO Find a better way to handle events count. */ | |
719 | if (!hotk) | |
720 | return; | |
721 | ||
6b7091e7 CC |
722 | /* |
723 | * We need to tell the backlight device when the backlight power is | |
724 | * switched | |
725 | */ | |
726 | if (event == ATKD_LCD_ON) { | |
935ffeec | 727 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 728 | lcd_blank(FB_BLANK_UNBLANK); |
8def05fa | 729 | } else if (event == ATKD_LCD_OFF) { |
935ffeec | 730 | write_status(NULL, 0, LCD_ON); |
6b7091e7 CC |
731 | lcd_blank(FB_BLANK_POWERDOWN); |
732 | } | |
733 | ||
14e04fb3 | 734 | acpi_bus_generate_proc_event(hotk->device, event, |
85091b71 CC |
735 | hotk->event_count[event % 128]++); |
736 | ||
737 | return; | |
738 | } | |
739 | ||
740 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
741 | struct device_attribute dev_attr_##_name = { \ | |
742 | .attr = { \ | |
743 | .name = __stringify(_name), \ | |
7b595756 | 744 | .mode = 0 }, \ |
85091b71 CC |
745 | .show = NULL, \ |
746 | .store = NULL, \ | |
747 | } | |
748 | ||
749 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
750 | do { \ | |
751 | dev_attr_##_name.attr.mode = _mode; \ | |
752 | dev_attr_##_name.show = _show; \ | |
753 | dev_attr_##_name.store = _store; \ | |
754 | } while(0) | |
755 | ||
756 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
757 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
758 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 759 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 760 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
761 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
762 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 763 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
764 | |
765 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
766 | &dev_attr_infos.attr, |
767 | &dev_attr_wlan.attr, | |
768 | &dev_attr_bluetooth.attr, | |
769 | &dev_attr_display.attr, | |
770 | &dev_attr_ledd.attr, | |
771 | &dev_attr_ls_switch.attr, | |
772 | &dev_attr_ls_level.attr, | |
e539c2f6 | 773 | &dev_attr_gps.attr, |
8def05fa | 774 | NULL |
85091b71 CC |
775 | }; |
776 | ||
777 | static struct attribute_group asuspf_attribute_group = { | |
8def05fa | 778 | .attrs = asuspf_attributes |
85091b71 CC |
779 | }; |
780 | ||
781 | static struct platform_driver asuspf_driver = { | |
8def05fa LB |
782 | .driver = { |
783 | .name = ASUS_HOTK_FILE, | |
784 | .owner = THIS_MODULE, | |
785 | } | |
85091b71 CC |
786 | }; |
787 | ||
788 | static struct platform_device *asuspf_device; | |
789 | ||
85091b71 CC |
790 | static void asus_hotk_add_fs(void) |
791 | { | |
792 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
793 | |
794 | if (wl_switch_handle) | |
795 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
796 | ||
797 | if (bt_switch_handle) | |
798 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
799 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
800 | |
801 | if (display_set_handle && display_get_handle) | |
802 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 803 | else if (display_set_handle) |
78127b4a CC |
804 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
805 | ||
722ad971 CC |
806 | if (ledd_set_handle) |
807 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
808 | ||
8b857353 CC |
809 | if (ls_switch_handle && ls_level_handle) { |
810 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
811 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
812 | } | |
e539c2f6 | 813 | |
f3985327 | 814 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 815 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
816 | } |
817 | ||
8def05fa | 818 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
819 | char **paths, int num_paths) |
820 | { | |
821 | int i; | |
822 | acpi_status status; | |
823 | ||
824 | for (i = 0; i < num_paths; i++) { | |
825 | status = acpi_get_handle(NULL, paths[i], handle); | |
826 | if (ACPI_SUCCESS(status)) | |
827 | return 0; | |
828 | } | |
829 | ||
830 | *handle = NULL; | |
831 | return -ENODEV; | |
832 | } | |
833 | ||
834 | #define ASUS_HANDLE_INIT(object) \ | |
835 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
836 | ARRAY_SIZE(object##_paths)) | |
837 | ||
85091b71 CC |
838 | /* |
839 | * This function is used to initialize the hotk with right values. In this | |
840 | * method, we can make all the detection we want, and modify the hotk struct | |
841 | */ | |
842 | static int asus_hotk_get_info(void) | |
843 | { | |
844 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 845 | union acpi_object *model = NULL; |
9a816850 | 846 | ulong bsts_result, hwrs_result; |
85091b71 CC |
847 | char *string = NULL; |
848 | acpi_status status; | |
849 | ||
850 | /* | |
851 | * Get DSDT headers early enough to allow for differentiating between | |
852 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
853 | * before doing anything ACPI-specific. Should we encounter a machine, | |
854 | * which needs special handling (i.e. its hotkey device has a different | |
855 | * HID), this bit will be moved. A global variable asus_info contains | |
856 | * the DSDT header. | |
857 | */ | |
894d79be | 858 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
85091b71 CC |
859 | if (ACPI_FAILURE(status)) |
860 | printk(ASUS_WARNING "Couldn't get the DSDT table header\n"); | |
85091b71 CC |
861 | |
862 | /* We have to write 0 on init this far for all ASUS models */ | |
863 | if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { | |
864 | printk(ASUS_ERR "Hotkey initialization failed\n"); | |
865 | return -ENODEV; | |
866 | } | |
867 | ||
868 | /* This needs to be called for some laptops to init properly */ | |
9a816850 CC |
869 | status = |
870 | acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result); | |
871 | if (ACPI_FAILURE(status)) | |
85091b71 CC |
872 | printk(ASUS_WARNING "Error calling BSTS\n"); |
873 | else if (bsts_result) | |
874 | printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n", | |
9a816850 | 875 | (uint) bsts_result); |
85091b71 | 876 | |
185e5af9 CC |
877 | /* This too ... */ |
878 | write_acpi_int(hotk->handle, "CWAP", wapf, NULL); | |
879 | ||
85091b71 CC |
880 | /* |
881 | * Try to match the object returned by INIT to the specific model. | |
882 | * Handle every possible object (or the lack of thereof) the DSDT | |
883 | * writers might throw at us. When in trouble, we pass NULL to | |
884 | * asus_model_match() and try something completely different. | |
885 | */ | |
886 | if (buffer.pointer) { | |
887 | model = buffer.pointer; | |
888 | switch (model->type) { | |
889 | case ACPI_TYPE_STRING: | |
890 | string = model->string.pointer; | |
891 | break; | |
892 | case ACPI_TYPE_BUFFER: | |
893 | string = model->buffer.pointer; | |
894 | break; | |
895 | default: | |
896 | string = ""; | |
897 | break; | |
898 | } | |
899 | } | |
900 | hotk->name = kstrdup(string, GFP_KERNEL); | |
901 | if (!hotk->name) | |
902 | return -ENOMEM; | |
903 | ||
8def05fa | 904 | if (*string) |
85091b71 CC |
905 | printk(ASUS_NOTICE " %s model detected\n", string); |
906 | ||
be18cdab CC |
907 | ASUS_HANDLE_INIT(mled_set); |
908 | ASUS_HANDLE_INIT(tled_set); | |
909 | ASUS_HANDLE_INIT(rled_set); | |
910 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 911 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 912 | |
722ad971 CC |
913 | ASUS_HANDLE_INIT(ledd_set); |
914 | ||
4564de17 CC |
915 | /* |
916 | * The HWRS method return informations about the hardware. | |
917 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
918 | * The significance of others is yet to be found. | |
919 | * If we don't find the method, we assume the device are present. | |
920 | */ | |
9a816850 CC |
921 | status = |
922 | acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result); | |
923 | if (ACPI_FAILURE(status)) | |
4564de17 CC |
924 | hwrs_result = WL_HWRS | BT_HWRS; |
925 | ||
8def05fa | 926 | if (hwrs_result & WL_HWRS) |
4564de17 | 927 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 928 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
929 | ASUS_HANDLE_INIT(bt_switch); |
930 | ||
931 | ASUS_HANDLE_INIT(wireless_status); | |
932 | ||
6b7091e7 CC |
933 | ASUS_HANDLE_INIT(brightness_set); |
934 | ASUS_HANDLE_INIT(brightness_get); | |
935 | ||
936 | ASUS_HANDLE_INIT(lcd_switch); | |
937 | ||
78127b4a CC |
938 | ASUS_HANDLE_INIT(display_set); |
939 | ASUS_HANDLE_INIT(display_get); | |
940 | ||
8b857353 CC |
941 | /* There is a lot of models with "ALSL", but a few get |
942 | a real light sens, so we need to check it. */ | |
832d9950 | 943 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
944 | ASUS_HANDLE_INIT(ls_level); |
945 | ||
e539c2f6 CC |
946 | ASUS_HANDLE_INIT(gps_on); |
947 | ASUS_HANDLE_INIT(gps_off); | |
948 | ASUS_HANDLE_INIT(gps_status); | |
949 | ||
85091b71 CC |
950 | kfree(model); |
951 | ||
952 | return AE_OK; | |
953 | } | |
954 | ||
955 | static int asus_hotk_check(void) | |
956 | { | |
957 | int result = 0; | |
958 | ||
959 | result = acpi_bus_get_status(hotk->device); | |
960 | if (result) | |
961 | return result; | |
962 | ||
963 | if (hotk->device->status.present) { | |
964 | result = asus_hotk_get_info(); | |
965 | } else { | |
966 | printk(ASUS_ERR "Hotkey device not present, aborting\n"); | |
967 | return -EINVAL; | |
968 | } | |
969 | ||
970 | return result; | |
971 | } | |
972 | ||
973 | static int asus_hotk_found; | |
974 | ||
975 | static int asus_hotk_add(struct acpi_device *device) | |
976 | { | |
977 | acpi_status status = AE_OK; | |
978 | int result; | |
979 | ||
980 | if (!device) | |
981 | return -EINVAL; | |
982 | ||
983 | printk(ASUS_NOTICE "Asus Laptop Support version %s\n", | |
984 | ASUS_LAPTOP_VERSION); | |
985 | ||
dd00cc48 | 986 | hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); |
85091b71 CC |
987 | if (!hotk) |
988 | return -ENOMEM; | |
85091b71 CC |
989 | |
990 | hotk->handle = device->handle; | |
991 | strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); | |
992 | strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); | |
993 | acpi_driver_data(device) = hotk; | |
994 | hotk->device = device; | |
995 | ||
996 | result = asus_hotk_check(); | |
997 | if (result) | |
998 | goto end; | |
999 | ||
1000 | asus_hotk_add_fs(); | |
1001 | ||
1002 | /* | |
1003 | * We install the handler, it will receive the hotk in parameter, so, we | |
1004 | * could add other data to the hotk struct | |
1005 | */ | |
a9dbcb37 | 1006 | status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY, |
85091b71 CC |
1007 | asus_hotk_notify, hotk); |
1008 | if (ACPI_FAILURE(status)) | |
1009 | printk(ASUS_ERR "Error installing notify handler\n"); | |
1010 | ||
1011 | asus_hotk_found = 1; | |
1012 | ||
6b7091e7 | 1013 | /* WLED and BLED are on by default */ |
935ffeec CC |
1014 | write_status(bt_switch_handle, 1, BT_ON); |
1015 | write_status(wl_switch_handle, 1, WL_ON); | |
1016 | ||
1017 | /* If the h/w switch is off, we need to check the real status */ | |
1018 | write_status(NULL, read_status(BT_ON), BT_ON); | |
1019 | write_status(NULL, read_status(WL_ON), WL_ON); | |
4564de17 | 1020 | |
6b7091e7 | 1021 | /* LCD Backlight is on by default */ |
935ffeec | 1022 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 1023 | |
722ad971 CC |
1024 | /* LED display is off by default */ |
1025 | hotk->ledd_status = 0xFFF; | |
1026 | ||
8def05fa LB |
1027 | /* Set initial values of light sensor and level */ |
1028 | hotk->light_switch = 1; /* Default to light sensor disabled */ | |
1029 | hotk->light_level = 0; /* level 5 for sensor sensitivity */ | |
8b857353 | 1030 | |
8def05fa LB |
1031 | if (ls_switch_handle) |
1032 | set_light_sens_switch(hotk->light_switch); | |
8b857353 | 1033 | |
8def05fa LB |
1034 | if (ls_level_handle) |
1035 | set_light_sens_level(hotk->light_level); | |
8b857353 | 1036 | |
e539c2f6 CC |
1037 | /* GPS is on by default */ |
1038 | write_status(NULL, 1, GPS_ON); | |
1039 | ||
85091b71 CC |
1040 | end: |
1041 | if (result) { | |
1042 | kfree(hotk->name); | |
1043 | kfree(hotk); | |
1044 | } | |
1045 | ||
1046 | return result; | |
1047 | } | |
1048 | ||
1049 | static int asus_hotk_remove(struct acpi_device *device, int type) | |
1050 | { | |
1051 | acpi_status status = 0; | |
1052 | ||
1053 | if (!device || !acpi_driver_data(device)) | |
1054 | return -EINVAL; | |
1055 | ||
a9dbcb37 | 1056 | status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY, |
85091b71 CC |
1057 | asus_hotk_notify); |
1058 | if (ACPI_FAILURE(status)) | |
1059 | printk(ASUS_ERR "Error removing notify handler\n"); | |
1060 | ||
1061 | kfree(hotk->name); | |
1062 | kfree(hotk); | |
1063 | ||
1064 | return 0; | |
1065 | } | |
1066 | ||
6b7091e7 CC |
1067 | static void asus_backlight_exit(void) |
1068 | { | |
8def05fa | 1069 | if (asus_backlight_device) |
6b7091e7 CC |
1070 | backlight_device_unregister(asus_backlight_device); |
1071 | } | |
1072 | ||
be18cdab | 1073 | #define ASUS_LED_UNREGISTER(object) \ |
e1996a69 GC |
1074 | if (object##_led.dev) \ |
1075 | led_classdev_unregister(&object##_led) | |
be18cdab CC |
1076 | |
1077 | static void asus_led_exit(void) | |
1078 | { | |
3b0d7117 | 1079 | destroy_workqueue(led_workqueue); |
be18cdab CC |
1080 | ASUS_LED_UNREGISTER(mled); |
1081 | ASUS_LED_UNREGISTER(tled); | |
1082 | ASUS_LED_UNREGISTER(pled); | |
1083 | ASUS_LED_UNREGISTER(rled); | |
fdd8d080 | 1084 | ASUS_LED_UNREGISTER(gled); |
be18cdab CC |
1085 | } |
1086 | ||
85091b71 CC |
1087 | static void __exit asus_laptop_exit(void) |
1088 | { | |
6b7091e7 | 1089 | asus_backlight_exit(); |
be18cdab CC |
1090 | asus_led_exit(); |
1091 | ||
85091b71 | 1092 | acpi_bus_unregister_driver(&asus_hotk_driver); |
8def05fa LB |
1093 | sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); |
1094 | platform_device_unregister(asuspf_device); | |
1095 | platform_driver_unregister(&asuspf_driver); | |
85091b71 CC |
1096 | } |
1097 | ||
8def05fa | 1098 | static int asus_backlight_init(struct device *dev) |
6b7091e7 CC |
1099 | { |
1100 | struct backlight_device *bd; | |
1101 | ||
8def05fa LB |
1102 | if (brightness_set_handle && lcd_switch_handle) { |
1103 | bd = backlight_device_register(ASUS_HOTK_FILE, dev, | |
599a52d1 | 1104 | NULL, &asusbl_ops); |
8def05fa | 1105 | if (IS_ERR(bd)) { |
6b7091e7 CC |
1106 | printk(ASUS_ERR |
1107 | "Could not register asus backlight device\n"); | |
1108 | asus_backlight_device = NULL; | |
1109 | return PTR_ERR(bd); | |
1110 | } | |
1111 | ||
1112 | asus_backlight_device = bd; | |
1113 | ||
599a52d1 RP |
1114 | bd->props.max_brightness = 15; |
1115 | bd->props.brightness = read_brightness(NULL); | |
1116 | bd->props.power = FB_BLANK_UNBLANK; | |
28ee086d | 1117 | backlight_update_status(bd); |
6b7091e7 CC |
1118 | } |
1119 | return 0; | |
1120 | } | |
1121 | ||
be18cdab | 1122 | static int asus_led_register(acpi_handle handle, |
8def05fa | 1123 | struct led_classdev *ldev, struct device *dev) |
be18cdab | 1124 | { |
8def05fa | 1125 | if (!handle) |
be18cdab CC |
1126 | return 0; |
1127 | ||
1128 | return led_classdev_register(dev, ldev); | |
1129 | } | |
8def05fa | 1130 | |
be18cdab CC |
1131 | #define ASUS_LED_REGISTER(object, device) \ |
1132 | asus_led_register(object##_set_handle, &object##_led, device) | |
1133 | ||
8def05fa | 1134 | static int asus_led_init(struct device *dev) |
be18cdab CC |
1135 | { |
1136 | int rv; | |
1137 | ||
1138 | rv = ASUS_LED_REGISTER(mled, dev); | |
8def05fa | 1139 | if (rv) |
3b0d7117 | 1140 | goto out; |
be18cdab CC |
1141 | |
1142 | rv = ASUS_LED_REGISTER(tled, dev); | |
8def05fa | 1143 | if (rv) |
3b0d7117 | 1144 | goto out1; |
be18cdab CC |
1145 | |
1146 | rv = ASUS_LED_REGISTER(rled, dev); | |
8def05fa | 1147 | if (rv) |
3b0d7117 | 1148 | goto out2; |
be18cdab CC |
1149 | |
1150 | rv = ASUS_LED_REGISTER(pled, dev); | |
8def05fa | 1151 | if (rv) |
3b0d7117 | 1152 | goto out3; |
be18cdab | 1153 | |
fdd8d080 CC |
1154 | rv = ASUS_LED_REGISTER(gled, dev); |
1155 | if (rv) | |
3b0d7117 | 1156 | goto out4; |
fdd8d080 | 1157 | |
be18cdab | 1158 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
8def05fa | 1159 | if (!led_workqueue) |
3b0d7117 | 1160 | goto out5; |
be18cdab CC |
1161 | |
1162 | return 0; | |
3b0d7117 AV |
1163 | out5: |
1164 | rv = -ENOMEM; | |
1165 | ASUS_LED_UNREGISTER(gled); | |
1166 | out4: | |
1167 | ASUS_LED_UNREGISTER(pled); | |
1168 | out3: | |
1169 | ASUS_LED_UNREGISTER(rled); | |
1170 | out2: | |
1171 | ASUS_LED_UNREGISTER(tled); | |
1172 | out1: | |
1173 | ASUS_LED_UNREGISTER(mled); | |
1174 | out: | |
1175 | return rv; | |
be18cdab CC |
1176 | } |
1177 | ||
85091b71 CC |
1178 | static int __init asus_laptop_init(void) |
1179 | { | |
be18cdab | 1180 | struct device *dev; |
85091b71 CC |
1181 | int result; |
1182 | ||
1183 | if (acpi_disabled) | |
1184 | return -ENODEV; | |
1185 | ||
85091b71 CC |
1186 | result = acpi_bus_register_driver(&asus_hotk_driver); |
1187 | if (result < 0) | |
1188 | return result; | |
1189 | ||
1190 | /* | |
1191 | * This is a bit of a kludge. We only want this module loaded | |
1192 | * for ASUS systems, but there's currently no way to probe the | |
1193 | * ACPI namespace for ASUS HIDs. So we just return failure if | |
1194 | * we didn't find one, which will cause the module to be | |
1195 | * unloaded. | |
1196 | */ | |
1197 | if (!asus_hotk_found) { | |
1198 | acpi_bus_unregister_driver(&asus_hotk_driver); | |
1199 | return -ENODEV; | |
1200 | } | |
1201 | ||
be18cdab CC |
1202 | dev = acpi_get_physical_device(hotk->device->handle); |
1203 | ||
6b7091e7 | 1204 | result = asus_backlight_init(dev); |
8def05fa | 1205 | if (result) |
6b7091e7 CC |
1206 | goto fail_backlight; |
1207 | ||
be18cdab | 1208 | result = asus_led_init(dev); |
8def05fa | 1209 | if (result) |
be18cdab CC |
1210 | goto fail_led; |
1211 | ||
8def05fa | 1212 | /* Register platform stuff */ |
85091b71 | 1213 | result = platform_driver_register(&asuspf_driver); |
8def05fa LB |
1214 | if (result) |
1215 | goto fail_platform_driver; | |
85091b71 | 1216 | |
8def05fa LB |
1217 | asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); |
1218 | if (!asuspf_device) { | |
1219 | result = -ENOMEM; | |
1220 | goto fail_platform_device1; | |
1221 | } | |
85091b71 | 1222 | |
8def05fa LB |
1223 | result = platform_device_add(asuspf_device); |
1224 | if (result) | |
1225 | goto fail_platform_device2; | |
85091b71 | 1226 | |
8def05fa | 1227 | result = sysfs_create_group(&asuspf_device->dev.kobj, |
85091b71 | 1228 | &asuspf_attribute_group); |
8def05fa LB |
1229 | if (result) |
1230 | goto fail_sysfs; | |
85091b71 | 1231 | |
8def05fa | 1232 | return 0; |
85091b71 | 1233 | |
8def05fa LB |
1234 | fail_sysfs: |
1235 | platform_device_del(asuspf_device); | |
85091b71 | 1236 | |
8def05fa | 1237 | fail_platform_device2: |
85091b71 CC |
1238 | platform_device_put(asuspf_device); |
1239 | ||
8def05fa LB |
1240 | fail_platform_device1: |
1241 | platform_driver_unregister(&asuspf_driver); | |
85091b71 | 1242 | |
8def05fa | 1243 | fail_platform_driver: |
be18cdab CC |
1244 | asus_led_exit(); |
1245 | ||
8def05fa | 1246 | fail_led: |
6b7091e7 CC |
1247 | asus_backlight_exit(); |
1248 | ||
8def05fa | 1249 | fail_backlight: |
85091b71 CC |
1250 | |
1251 | return result; | |
1252 | } | |
1253 | ||
1254 | module_init(asus_laptop_init); | |
1255 | module_exit(asus_laptop_exit); |