Commit | Line | Data |
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85091b71 CC |
1 | /* |
2 | * asus-laptop.c - Asus Laptop Support | |
3 | * | |
4 | * | |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor | |
8ec555c2 | 6 | * Copyright (C) 2006-2007 Corentin Chary |
85091b71 CC |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * | |
23 | * The development page for this driver is located at | |
24 | * http://sourceforge.net/projects/acpi4asus/ | |
25 | * | |
26 | * Credits: | |
27 | * Pontus Fuchs - Helper functions, cleanup | |
28 | * Johann Wiesner - Small compile fixes | |
29 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. | |
30 | * Eric Burghard - LED display support for W1N | |
31 | * Josh Green - Light Sens support | |
32 | * Thomas Tuttle - His first patch for led support was very helpfull | |
e539c2f6 | 33 | * Sam Lin - GPS support |
85091b71 CC |
34 | */ |
35 | ||
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> | |
034ce90a | 49 | #include <linux/input.h> |
85091b71 | 50 | |
f3985327 | 51 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 CC |
52 | |
53 | #define ASUS_HOTK_NAME "Asus Laptop Support" | |
54 | #define ASUS_HOTK_CLASS "hotkey" | |
55 | #define ASUS_HOTK_DEVICE_NAME "Hotkey" | |
85091b71 CC |
56 | #define ASUS_HOTK_FILE "asus-laptop" |
57 | #define ASUS_HOTK_PREFIX "\\_SB.ATKD." | |
58 | ||
6b7091e7 CC |
59 | /* |
60 | * Some events we use, same for all Asus | |
61 | */ | |
62 | #define ATKD_BR_UP 0x10 | |
63 | #define ATKD_BR_DOWN 0x20 | |
64 | #define ATKD_LCD_ON 0x33 | |
65 | #define ATKD_LCD_OFF 0x34 | |
66 | ||
4564de17 CC |
67 | /* |
68 | * Known bits returned by \_SB.ATKD.HWRS | |
69 | */ | |
70 | #define WL_HWRS 0x80 | |
71 | #define BT_HWRS 0x100 | |
72 | ||
be18cdab CC |
73 | /* |
74 | * Flags for hotk status | |
4564de17 | 75 | * WL_ON and BT_ON are also used for wireless_status() |
be18cdab | 76 | */ |
4564de17 CC |
77 | #define WL_ON 0x01 //internal Wifi |
78 | #define BT_ON 0x02 //internal Bluetooth | |
be18cdab CC |
79 | #define MLED_ON 0x04 //mail LED |
80 | #define TLED_ON 0x08 //touchpad LED | |
8def05fa LB |
81 | #define RLED_ON 0x10 //Record LED |
82 | #define PLED_ON 0x20 //Phone LED | |
fdd8d080 CC |
83 | #define GLED_ON 0x40 //Gaming LED |
84 | #define LCD_ON 0x80 //LCD backlight | |
f3985327 | 85 | #define GPS_ON 0x100 //GPS |
be18cdab | 86 | |
85091b71 CC |
87 | #define ASUS_LOG ASUS_HOTK_FILE ": " |
88 | #define ASUS_ERR KERN_ERR ASUS_LOG | |
89 | #define ASUS_WARNING KERN_WARNING ASUS_LOG | |
90 | #define ASUS_NOTICE KERN_NOTICE ASUS_LOG | |
91 | #define ASUS_INFO KERN_INFO ASUS_LOG | |
92 | #define ASUS_DEBUG KERN_DEBUG ASUS_LOG | |
93 | ||
94 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); | |
95 | MODULE_DESCRIPTION(ASUS_HOTK_NAME); | |
96 | MODULE_LICENSE("GPL"); | |
97 | ||
185e5af9 CC |
98 | /* WAPF defines the behavior of the Fn+Fx wlan key |
99 | * The significance of values is yet to be found, but | |
100 | * most of the time: | |
101 | * 0x0 will do nothing | |
102 | * 0x1 will allow to control the device with Fn+Fx key. | |
103 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
104 | * 0x5 like 0x1 or 0x4 | |
105 | * So, if something doesn't work as you want, just try other values =) | |
106 | */ | |
107 | static uint wapf = 1; | |
108 | module_param(wapf, uint, 0644); | |
109 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
110 | ||
85091b71 CC |
111 | #define ASUS_HANDLE(object, paths...) \ |
112 | static acpi_handle object##_handle = NULL; \ | |
113 | static char *object##_paths[] = { paths } | |
114 | ||
be18cdab CC |
115 | /* LED */ |
116 | ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); | |
117 | ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); | |
8def05fa LB |
118 | ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ |
119 | ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ | |
fdd8d080 | 120 | ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ |
be18cdab | 121 | |
722ad971 CC |
122 | /* LEDD */ |
123 | ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); | |
124 | ||
4564de17 CC |
125 | /* Bluetooth and WLAN |
126 | * WLED and BLED are not handled like other XLED, because in some dsdt | |
127 | * they also control the WLAN/Bluetooth device. | |
128 | */ | |
129 | ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); | |
130 | ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); | |
8def05fa | 131 | ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ |
4564de17 | 132 | |
6b7091e7 CC |
133 | /* Brightness */ |
134 | ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); | |
135 | ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); | |
136 | ||
137 | /* Backlight */ | |
8def05fa LB |
138 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
139 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
140 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
141 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
142 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 143 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
144 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
145 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 146 | |
78127b4a CC |
147 | /* Display */ |
148 | ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); | |
8def05fa LB |
149 | ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G |
150 | M6A M6V VX-1 V6J V6V W3Z */ | |
151 | "\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V | |
f3985327 | 152 | S5A M5A z33A W1Jc W2V G1 */ |
8def05fa LB |
153 | "\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */ |
154 | "\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */ | |
155 | "\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */ | |
156 | "\\_SB.PCI0.VGA.GETD", /* Z96F */ | |
157 | "\\ACTD", /* A2D */ | |
158 | "\\ADVG", /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
159 | "\\DNXT", /* P30 */ | |
160 | "\\INFB", /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
161 | "\\SSTE"); /* A3F A6F A3N A3L M6N W3N W6A */ | |
162 | ||
163 | ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ | |
164 | ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 165 | |
e539c2f6 CC |
166 | /* GPS */ |
167 | /* R2H use different handle for GPS on/off */ | |
f3985327 CC |
168 | ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */ |
169 | ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */ | |
e539c2f6 CC |
170 | ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST"); |
171 | ||
85091b71 CC |
172 | /* |
173 | * This is the main structure, we can use it to store anything interesting | |
174 | * about the hotk device | |
175 | */ | |
176 | struct asus_hotk { | |
8def05fa | 177 | char *name; //laptop name |
85091b71 CC |
178 | struct acpi_device *device; //the device we are in |
179 | acpi_handle handle; //the handle of the hotk device | |
180 | char status; //status of the hotk, for LEDs, ... | |
722ad971 | 181 | u32 ledd_status; //status of the LED display |
8def05fa LB |
182 | u8 light_level; //light sensor level |
183 | u8 light_switch; //light sensor switch value | |
85091b71 | 184 | u16 event_count[128]; //count for each event TODO make this better |
034ce90a CC |
185 | struct input_dev *inputdev; |
186 | u16 *keycode_map; | |
85091b71 CC |
187 | }; |
188 | ||
189 | /* | |
190 | * This header is made available to allow proper configuration given model, | |
191 | * revision number , ... this info cannot go in struct asus_hotk because it is | |
192 | * available before the hotk | |
193 | */ | |
194 | static struct acpi_table_header *asus_info; | |
195 | ||
196 | /* The actual device the driver binds to */ | |
197 | static struct asus_hotk *hotk; | |
198 | ||
199 | /* | |
200 | * The hotkey driver declaration | |
201 | */ | |
1ba90e3a TR |
202 | static const struct acpi_device_id asus_device_ids[] = { |
203 | {"ATK0100", 0}, | |
204 | {"", 0}, | |
205 | }; | |
206 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
207 | ||
85091b71 CC |
208 | static int asus_hotk_add(struct acpi_device *device); |
209 | static int asus_hotk_remove(struct acpi_device *device, int type); | |
210 | static struct acpi_driver asus_hotk_driver = { | |
211 | .name = ASUS_HOTK_NAME, | |
212 | .class = ASUS_HOTK_CLASS, | |
1ba90e3a | 213 | .ids = asus_device_ids, |
85091b71 CC |
214 | .ops = { |
215 | .add = asus_hotk_add, | |
216 | .remove = asus_hotk_remove, | |
217 | }, | |
218 | }; | |
219 | ||
6b7091e7 CC |
220 | /* The backlight device /sys/class/backlight */ |
221 | static struct backlight_device *asus_backlight_device; | |
222 | ||
223 | /* | |
224 | * The backlight class declaration | |
225 | */ | |
226 | static int read_brightness(struct backlight_device *bd); | |
227 | static int update_bl_status(struct backlight_device *bd); | |
599a52d1 | 228 | static struct backlight_ops asusbl_ops = { |
8def05fa LB |
229 | .get_brightness = read_brightness, |
230 | .update_status = update_bl_status, | |
6b7091e7 CC |
231 | }; |
232 | ||
be18cdab CC |
233 | /* These functions actually update the LED's, and are called from a |
234 | * workqueue. By doing this as separate work rather than when the LED | |
235 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
236 | * potentially bad time, such as a timer interrupt. */ | |
237 | static struct workqueue_struct *led_workqueue; | |
238 | ||
239 | #define ASUS_LED(object, ledname) \ | |
240 | static void object##_led_set(struct led_classdev *led_cdev, \ | |
241 | enum led_brightness value); \ | |
242 | static void object##_led_update(struct work_struct *ignored); \ | |
243 | static int object##_led_wk; \ | |
f110ef58 | 244 | static DECLARE_WORK(object##_led_work, object##_led_update); \ |
be18cdab | 245 | static struct led_classdev object##_led = { \ |
6c152bee | 246 | .name = "asus::" ledname, \ |
be18cdab CC |
247 | .brightness_set = object##_led_set, \ |
248 | } | |
249 | ||
250 | ASUS_LED(mled, "mail"); | |
251 | ASUS_LED(tled, "touchpad"); | |
252 | ASUS_LED(rled, "record"); | |
253 | ASUS_LED(pled, "phone"); | |
fdd8d080 | 254 | ASUS_LED(gled, "gaming"); |
be18cdab | 255 | |
034ce90a CC |
256 | struct key_entry { |
257 | char type; | |
258 | u8 code; | |
259 | u16 keycode; | |
260 | }; | |
261 | ||
262 | enum { KE_KEY, KE_END }; | |
263 | ||
264 | static struct key_entry asus_keymap[] = { | |
265 | {KE_KEY, 0x30, KEY_VOLUMEUP}, | |
266 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
267 | {KE_KEY, 0x32, KEY_MUTE}, | |
268 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
269 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
270 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
271 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 272 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a CC |
273 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
274 | {KE_KEY, 0x50, KEY_EMAIL}, | |
275 | {KE_KEY, 0x51, KEY_WWW}, | |
309f5fbd | 276 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a CC |
277 | {KE_KEY, 0x5D, KEY_WLAN}, |
278 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, | |
279 | {KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */ | |
280 | {KE_KEY, 0x82, KEY_CAMERA}, | |
309f5fbd | 281 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
282 | {KE_KEY, 0x95, KEY_MEDIA}, |
283 | {KE_KEY, 0x99, KEY_PHONE}, | |
284 | {KE_END, 0}, | |
285 | }; | |
286 | ||
85091b71 CC |
287 | /* |
288 | * This function evaluates an ACPI method, given an int as parameter, the | |
289 | * method is searched within the scope of the handle, can be NULL. The output | |
290 | * of the method is written is output, which can also be NULL | |
291 | * | |
f8d1c94b | 292 | * returns 0 if write is successful, -1 else. |
85091b71 CC |
293 | */ |
294 | static int write_acpi_int(acpi_handle handle, const char *method, int val, | |
295 | struct acpi_buffer *output) | |
296 | { | |
297 | struct acpi_object_list params; //list of input parameters (an int here) | |
298 | union acpi_object in_obj; //the only param we use | |
299 | acpi_status status; | |
300 | ||
f8d1c94b CC |
301 | if (!handle) |
302 | return 0; | |
303 | ||
85091b71 CC |
304 | params.count = 1; |
305 | params.pointer = &in_obj; | |
306 | in_obj.type = ACPI_TYPE_INTEGER; | |
307 | in_obj.integer.value = val; | |
308 | ||
309 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
310 | if (status == AE_OK) |
311 | return 0; | |
312 | else | |
313 | return -1; | |
85091b71 CC |
314 | } |
315 | ||
8def05fa LB |
316 | static int read_wireless_status(int mask) |
317 | { | |
27663c58 | 318 | unsigned long long status; |
9a816850 | 319 | acpi_status rv = AE_OK; |
4564de17 CC |
320 | |
321 | if (!wireless_status_handle) | |
322 | return (hotk->status & mask) ? 1 : 0; | |
323 | ||
9a816850 CC |
324 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); |
325 | if (ACPI_FAILURE(rv)) | |
4564de17 | 326 | printk(ASUS_WARNING "Error reading Wireless status\n"); |
9a816850 CC |
327 | else |
328 | return (status & mask) ? 1 : 0; | |
4564de17 CC |
329 | |
330 | return (hotk->status & mask) ? 1 : 0; | |
331 | } | |
332 | ||
f3985327 CC |
333 | static int read_gps_status(void) |
334 | { | |
27663c58 | 335 | unsigned long long status; |
e539c2f6 CC |
336 | acpi_status rv = AE_OK; |
337 | ||
338 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
339 | if (ACPI_FAILURE(rv)) | |
f3985327 | 340 | printk(ASUS_WARNING "Error reading GPS status\n"); |
e539c2f6 | 341 | else |
f3985327 | 342 | return status ? 1 : 0; |
e539c2f6 | 343 | |
f3985327 | 344 | return (hotk->status & GPS_ON) ? 1 : 0; |
e539c2f6 CC |
345 | } |
346 | ||
be18cdab CC |
347 | /* Generic LED functions */ |
348 | static int read_status(int mask) | |
349 | { | |
4564de17 CC |
350 | /* There is a special method for both wireless devices */ |
351 | if (mask == BT_ON || mask == WL_ON) | |
352 | return read_wireless_status(mask); | |
f3985327 CC |
353 | else if (mask == GPS_ON) |
354 | return read_gps_status(); | |
4564de17 | 355 | |
be18cdab CC |
356 | return (hotk->status & mask) ? 1 : 0; |
357 | } | |
358 | ||
935ffeec | 359 | static void write_status(acpi_handle handle, int out, int mask) |
be18cdab CC |
360 | { |
361 | hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); | |
362 | ||
935ffeec CC |
363 | switch (mask) { |
364 | case MLED_ON: | |
e1af14e4 | 365 | out = !(out & 0x1); |
935ffeec | 366 | break; |
fdd8d080 CC |
367 | case GLED_ON: |
368 | out = (out & 0x1) + 1; | |
369 | break; | |
e539c2f6 CC |
370 | case GPS_ON: |
371 | handle = (out) ? gps_on_handle : gps_off_handle; | |
372 | out = 0x02; | |
373 | break; | |
935ffeec CC |
374 | default: |
375 | out &= 0x1; | |
376 | break; | |
377 | } | |
be18cdab | 378 | |
f8d1c94b | 379 | if (write_acpi_int(handle, NULL, out, NULL)) |
935ffeec | 380 | printk(ASUS_WARNING " write failed %x\n", mask); |
be18cdab CC |
381 | } |
382 | ||
383 | /* /sys/class/led handlers */ | |
935ffeec | 384 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
385 | static void object##_led_set(struct led_classdev *led_cdev, \ |
386 | enum led_brightness value) \ | |
387 | { \ | |
e3deda9c | 388 | object##_led_wk = (value > 0) ? 1 : 0; \ |
be18cdab CC |
389 | queue_work(led_workqueue, &object##_led_work); \ |
390 | } \ | |
391 | static void object##_led_update(struct work_struct *ignored) \ | |
392 | { \ | |
393 | int value = object##_led_wk; \ | |
935ffeec | 394 | write_status(object##_set_handle, value, (mask)); \ |
be18cdab CC |
395 | } |
396 | ||
935ffeec CC |
397 | ASUS_LED_HANDLER(mled, MLED_ON); |
398 | ASUS_LED_HANDLER(pled, PLED_ON); | |
399 | ASUS_LED_HANDLER(rled, RLED_ON); | |
400 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 401 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 402 | |
6b7091e7 CC |
403 | static int get_lcd_state(void) |
404 | { | |
405 | return read_status(LCD_ON); | |
406 | } | |
407 | ||
408 | static int set_lcd_state(int value) | |
409 | { | |
410 | int lcd = 0; | |
411 | acpi_status status = 0; | |
412 | ||
413 | lcd = value ? 1 : 0; | |
414 | ||
415 | if (lcd == get_lcd_state()) | |
416 | return 0; | |
417 | ||
8def05fa | 418 | if (lcd_switch_handle) { |
6b7091e7 CC |
419 | status = acpi_evaluate_object(lcd_switch_handle, |
420 | NULL, NULL, NULL); | |
421 | ||
422 | if (ACPI_FAILURE(status)) | |
423 | printk(ASUS_WARNING "Error switching LCD\n"); | |
424 | } | |
425 | ||
935ffeec | 426 | write_status(NULL, lcd, LCD_ON); |
6b7091e7 CC |
427 | return 0; |
428 | } | |
429 | ||
430 | static void lcd_blank(int blank) | |
431 | { | |
432 | struct backlight_device *bd = asus_backlight_device; | |
433 | ||
8def05fa | 434 | if (bd) { |
599a52d1 | 435 | bd->props.power = blank; |
28ee086d | 436 | backlight_update_status(bd); |
6b7091e7 CC |
437 | } |
438 | } | |
439 | ||
440 | static int read_brightness(struct backlight_device *bd) | |
441 | { | |
27663c58 | 442 | unsigned long long value; |
9a816850 | 443 | acpi_status rv = AE_OK; |
6b7091e7 | 444 | |
9a816850 CC |
445 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
446 | if (ACPI_FAILURE(rv)) | |
6b7091e7 CC |
447 | printk(ASUS_WARNING "Error reading brightness\n"); |
448 | ||
449 | return value; | |
450 | } | |
451 | ||
452 | static int set_brightness(struct backlight_device *bd, int value) | |
453 | { | |
454 | int ret = 0; | |
455 | ||
456 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
457 | /* 0 <= value <= 15 */ | |
458 | ||
f8d1c94b | 459 | if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) { |
6b7091e7 CC |
460 | printk(ASUS_WARNING "Error changing brightness\n"); |
461 | ret = -EIO; | |
462 | } | |
463 | ||
464 | return ret; | |
465 | } | |
466 | ||
467 | static int update_bl_status(struct backlight_device *bd) | |
468 | { | |
469 | int rv; | |
599a52d1 | 470 | int value = bd->props.brightness; |
6b7091e7 CC |
471 | |
472 | rv = set_brightness(bd, value); | |
8def05fa | 473 | if (rv) |
6b7091e7 CC |
474 | return rv; |
475 | ||
599a52d1 | 476 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
6b7091e7 CC |
477 | return set_lcd_state(value); |
478 | } | |
479 | ||
85091b71 CC |
480 | /* |
481 | * Platform device handlers | |
482 | */ | |
483 | ||
484 | /* | |
485 | * We write our info in page, we begin at offset off and cannot write more | |
486 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
487 | * number of bytes written in page | |
488 | */ | |
489 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 490 | struct device_attribute *attr, char *page) |
85091b71 CC |
491 | { |
492 | int len = 0; | |
27663c58 | 493 | unsigned long long temp; |
85091b71 | 494 | char buf[16]; //enough for all info |
9a816850 CC |
495 | acpi_status rv = AE_OK; |
496 | ||
85091b71 CC |
497 | /* |
498 | * We use the easy way, we don't care of off and count, so we don't set eof | |
499 | * to 1 | |
500 | */ | |
501 | ||
502 | len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); | |
503 | len += sprintf(page + len, "Model reference : %s\n", hotk->name); | |
504 | /* | |
505 | * The SFUN method probably allows the original driver to get the list | |
506 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
507 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
508 | * The significance of others is yet to be found. | |
509 | */ | |
9a816850 CC |
510 | rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp); |
511 | if (!ACPI_FAILURE(rv)) | |
512 | len += sprintf(page + len, "SFUN value : 0x%04x\n", | |
513 | (uint) temp); | |
85091b71 CC |
514 | /* |
515 | * Another value for userspace: the ASYM method returns 0x02 for | |
516 | * battery low and 0x04 for battery critical, its readings tend to be | |
517 | * more accurate than those provided by _BST. | |
518 | * Note: since not all the laptops provide this method, errors are | |
519 | * silently ignored. | |
520 | */ | |
9a816850 CC |
521 | rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp); |
522 | if (!ACPI_FAILURE(rv)) | |
523 | len += sprintf(page + len, "ASYM value : 0x%04x\n", | |
524 | (uint) temp); | |
85091b71 CC |
525 | if (asus_info) { |
526 | snprintf(buf, 16, "%d", asus_info->length); | |
527 | len += sprintf(page + len, "DSDT length : %s\n", buf); | |
528 | snprintf(buf, 16, "%d", asus_info->checksum); | |
529 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); | |
530 | snprintf(buf, 16, "%d", asus_info->revision); | |
531 | len += sprintf(page + len, "DSDT revision : %s\n", buf); | |
532 | snprintf(buf, 7, "%s", asus_info->oem_id); | |
533 | len += sprintf(page + len, "OEM id : %s\n", buf); | |
534 | snprintf(buf, 9, "%s", asus_info->oem_table_id); | |
535 | len += sprintf(page + len, "OEM table id : %s\n", buf); | |
536 | snprintf(buf, 16, "%x", asus_info->oem_revision); | |
537 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); | |
538 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); | |
539 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); | |
540 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); | |
541 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); | |
542 | } | |
543 | ||
544 | return len; | |
545 | } | |
546 | ||
547 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
548 | { | |
549 | if (!count) | |
550 | return 0; | |
551 | if (count > 31) | |
552 | return -EINVAL; | |
553 | if (sscanf(buf, "%i", val) != 1) | |
554 | return -EINVAL; | |
555 | return count; | |
556 | } | |
557 | ||
4564de17 | 558 | static ssize_t store_status(const char *buf, size_t count, |
935ffeec | 559 | acpi_handle handle, int mask) |
4564de17 CC |
560 | { |
561 | int rv, value; | |
562 | int out = 0; | |
563 | ||
564 | rv = parse_arg(buf, count, &value); | |
565 | if (rv > 0) | |
566 | out = value ? 1 : 0; | |
567 | ||
935ffeec | 568 | write_status(handle, out, mask); |
4564de17 CC |
569 | |
570 | return rv; | |
571 | } | |
572 | ||
722ad971 CC |
573 | /* |
574 | * LEDD display | |
575 | */ | |
576 | static ssize_t show_ledd(struct device *dev, | |
577 | struct device_attribute *attr, char *buf) | |
578 | { | |
579 | return sprintf(buf, "0x%08x\n", hotk->ledd_status); | |
580 | } | |
581 | ||
582 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
583 | const char *buf, size_t count) | |
584 | { | |
585 | int rv, value; | |
586 | ||
587 | rv = parse_arg(buf, count, &value); | |
588 | if (rv > 0) { | |
f8d1c94b | 589 | if (write_acpi_int(ledd_set_handle, NULL, value, NULL)) |
722ad971 CC |
590 | printk(ASUS_WARNING "LED display write failed\n"); |
591 | else | |
592 | hotk->ledd_status = (u32) value; | |
593 | } | |
594 | return rv; | |
595 | } | |
596 | ||
4564de17 CC |
597 | /* |
598 | * WLAN | |
599 | */ | |
600 | static ssize_t show_wlan(struct device *dev, | |
601 | struct device_attribute *attr, char *buf) | |
602 | { | |
603 | return sprintf(buf, "%d\n", read_status(WL_ON)); | |
604 | } | |
605 | ||
606 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
607 | const char *buf, size_t count) | |
608 | { | |
935ffeec | 609 | return store_status(buf, count, wl_switch_handle, WL_ON); |
4564de17 CC |
610 | } |
611 | ||
612 | /* | |
613 | * Bluetooth | |
614 | */ | |
615 | static ssize_t show_bluetooth(struct device *dev, | |
616 | struct device_attribute *attr, char *buf) | |
617 | { | |
618 | return sprintf(buf, "%d\n", read_status(BT_ON)); | |
619 | } | |
620 | ||
8def05fa LB |
621 | static ssize_t store_bluetooth(struct device *dev, |
622 | struct device_attribute *attr, const char *buf, | |
623 | size_t count) | |
4564de17 | 624 | { |
935ffeec | 625 | return store_status(buf, count, bt_switch_handle, BT_ON); |
4564de17 CC |
626 | } |
627 | ||
78127b4a CC |
628 | /* |
629 | * Display | |
630 | */ | |
631 | static void set_display(int value) | |
632 | { | |
633 | /* no sanity check needed for now */ | |
f8d1c94b | 634 | if (write_acpi_int(display_set_handle, NULL, value, NULL)) |
78127b4a CC |
635 | printk(ASUS_WARNING "Error setting display\n"); |
636 | return; | |
637 | } | |
638 | ||
639 | static int read_display(void) | |
640 | { | |
27663c58 | 641 | unsigned long long value = 0; |
9a816850 | 642 | acpi_status rv = AE_OK; |
78127b4a CC |
643 | |
644 | /* In most of the case, we know how to set the display, but sometime | |
645 | we can't read it */ | |
8def05fa | 646 | if (display_get_handle) { |
9a816850 CC |
647 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
648 | NULL, &value); | |
649 | if (ACPI_FAILURE(rv)) | |
78127b4a CC |
650 | printk(ASUS_WARNING "Error reading display status\n"); |
651 | } | |
652 | ||
653 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
654 | ||
655 | return value; | |
656 | } | |
8def05fa | 657 | |
78127b4a CC |
658 | /* |
659 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
660 | * complained. The significance of bits is the same as in store_disp() | |
661 | */ | |
662 | static ssize_t show_disp(struct device *dev, | |
663 | struct device_attribute *attr, char *buf) | |
664 | { | |
665 | return sprintf(buf, "%d\n", read_display()); | |
666 | } | |
667 | ||
668 | /* | |
669 | * Experimental support for display switching. As of now: 1 should activate | |
670 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
671 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
672 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
673 | * for more info. | |
674 | */ | |
675 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
676 | const char *buf, size_t count) | |
677 | { | |
678 | int rv, value; | |
679 | ||
680 | rv = parse_arg(buf, count, &value); | |
681 | if (rv > 0) | |
682 | set_display(value); | |
683 | return rv; | |
684 | } | |
685 | ||
8b857353 CC |
686 | /* |
687 | * Light Sens | |
688 | */ | |
689 | static void set_light_sens_switch(int value) | |
690 | { | |
f8d1c94b | 691 | if (write_acpi_int(ls_switch_handle, NULL, value, NULL)) |
8b857353 CC |
692 | printk(ASUS_WARNING "Error setting light sensor switch\n"); |
693 | hotk->light_switch = value; | |
694 | } | |
695 | ||
696 | static ssize_t show_lssw(struct device *dev, | |
697 | struct device_attribute *attr, char *buf) | |
698 | { | |
699 | return sprintf(buf, "%d\n", hotk->light_switch); | |
700 | } | |
701 | ||
702 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
703 | const char *buf, size_t count) | |
704 | { | |
705 | int rv, value; | |
706 | ||
707 | rv = parse_arg(buf, count, &value); | |
708 | if (rv > 0) | |
709 | set_light_sens_switch(value ? 1 : 0); | |
710 | ||
711 | return rv; | |
712 | } | |
713 | ||
714 | static void set_light_sens_level(int value) | |
715 | { | |
f8d1c94b | 716 | if (write_acpi_int(ls_level_handle, NULL, value, NULL)) |
8b857353 CC |
717 | printk(ASUS_WARNING "Error setting light sensor level\n"); |
718 | hotk->light_level = value; | |
719 | } | |
720 | ||
721 | static ssize_t show_lslvl(struct device *dev, | |
722 | struct device_attribute *attr, char *buf) | |
723 | { | |
724 | return sprintf(buf, "%d\n", hotk->light_level); | |
725 | } | |
726 | ||
727 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
728 | const char *buf, size_t count) | |
729 | { | |
730 | int rv, value; | |
731 | ||
732 | rv = parse_arg(buf, count, &value); | |
733 | if (rv > 0) { | |
734 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
735 | /* 0 <= value <= 15 */ | |
736 | set_light_sens_level(value); | |
737 | } | |
738 | ||
739 | return rv; | |
740 | } | |
741 | ||
e539c2f6 CC |
742 | /* |
743 | * GPS | |
744 | */ | |
745 | static ssize_t show_gps(struct device *dev, | |
746 | struct device_attribute *attr, char *buf) | |
747 | { | |
748 | return sprintf(buf, "%d\n", read_status(GPS_ON)); | |
749 | } | |
750 | ||
751 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
752 | const char *buf, size_t count) | |
753 | { | |
f3985327 | 754 | return store_status(buf, count, NULL, GPS_ON); |
e539c2f6 CC |
755 | } |
756 | ||
034ce90a CC |
757 | /* |
758 | * Hotkey functions | |
759 | */ | |
760 | static struct key_entry *asus_get_entry_by_scancode(int code) | |
761 | { | |
762 | struct key_entry *key; | |
763 | ||
764 | for (key = asus_keymap; key->type != KE_END; key++) | |
765 | if (code == key->code) | |
766 | return key; | |
767 | ||
768 | return NULL; | |
769 | } | |
770 | ||
771 | static struct key_entry *asus_get_entry_by_keycode(int code) | |
772 | { | |
773 | struct key_entry *key; | |
774 | ||
775 | for (key = asus_keymap; key->type != KE_END; key++) | |
776 | if (code == key->keycode && key->type == KE_KEY) | |
777 | return key; | |
778 | ||
779 | return NULL; | |
780 | } | |
781 | ||
782 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
783 | { | |
784 | struct key_entry *key = asus_get_entry_by_scancode(scancode); | |
785 | ||
786 | if (key && key->type == KE_KEY) { | |
787 | *keycode = key->keycode; | |
788 | return 0; | |
789 | } | |
790 | ||
791 | return -EINVAL; | |
792 | } | |
793 | ||
794 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
795 | { | |
796 | struct key_entry *key; | |
797 | int old_keycode; | |
798 | ||
799 | if (keycode < 0 || keycode > KEY_MAX) | |
800 | return -EINVAL; | |
801 | ||
802 | key = asus_get_entry_by_scancode(scancode); | |
803 | if (key && key->type == KE_KEY) { | |
804 | old_keycode = key->keycode; | |
805 | key->keycode = keycode; | |
806 | set_bit(keycode, dev->keybit); | |
807 | if (!asus_get_entry_by_keycode(old_keycode)) | |
808 | clear_bit(old_keycode, dev->keybit); | |
809 | return 0; | |
810 | } | |
811 | ||
812 | return -EINVAL; | |
813 | } | |
814 | ||
85091b71 CC |
815 | static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) |
816 | { | |
034ce90a | 817 | static struct key_entry *key; |
6050c8dd | 818 | u16 count; |
034ce90a | 819 | |
85091b71 CC |
820 | /* TODO Find a better way to handle events count. */ |
821 | if (!hotk) | |
822 | return; | |
823 | ||
6b7091e7 CC |
824 | /* |
825 | * We need to tell the backlight device when the backlight power is | |
826 | * switched | |
827 | */ | |
828 | if (event == ATKD_LCD_ON) { | |
935ffeec | 829 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 830 | lcd_blank(FB_BLANK_UNBLANK); |
8def05fa | 831 | } else if (event == ATKD_LCD_OFF) { |
935ffeec | 832 | write_status(NULL, 0, LCD_ON); |
6b7091e7 CC |
833 | lcd_blank(FB_BLANK_POWERDOWN); |
834 | } | |
835 | ||
6050c8dd CC |
836 | count = hotk->event_count[event % 128]++; |
837 | acpi_bus_generate_proc_event(hotk->device, event, count); | |
2a7dc0d8 CC |
838 | acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, |
839 | dev_name(&hotk->device->dev), event, | |
6050c8dd | 840 | count); |
85091b71 | 841 | |
034ce90a CC |
842 | if (hotk->inputdev) { |
843 | key = asus_get_entry_by_scancode(event); | |
844 | if (!key) | |
845 | return ; | |
846 | ||
847 | switch (key->type) { | |
848 | case KE_KEY: | |
849 | input_report_key(hotk->inputdev, key->keycode, 1); | |
850 | input_sync(hotk->inputdev); | |
851 | input_report_key(hotk->inputdev, key->keycode, 0); | |
852 | input_sync(hotk->inputdev); | |
853 | break; | |
854 | } | |
855 | } | |
85091b71 CC |
856 | } |
857 | ||
858 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
859 | struct device_attribute dev_attr_##_name = { \ | |
860 | .attr = { \ | |
861 | .name = __stringify(_name), \ | |
7b595756 | 862 | .mode = 0 }, \ |
85091b71 CC |
863 | .show = NULL, \ |
864 | .store = NULL, \ | |
865 | } | |
866 | ||
867 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
868 | do { \ | |
869 | dev_attr_##_name.attr.mode = _mode; \ | |
870 | dev_attr_##_name.show = _show; \ | |
871 | dev_attr_##_name.store = _store; \ | |
872 | } while(0) | |
873 | ||
874 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
875 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
876 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 877 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 878 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
879 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
880 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 881 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
882 | |
883 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
884 | &dev_attr_infos.attr, |
885 | &dev_attr_wlan.attr, | |
886 | &dev_attr_bluetooth.attr, | |
887 | &dev_attr_display.attr, | |
888 | &dev_attr_ledd.attr, | |
889 | &dev_attr_ls_switch.attr, | |
890 | &dev_attr_ls_level.attr, | |
e539c2f6 | 891 | &dev_attr_gps.attr, |
8def05fa | 892 | NULL |
85091b71 CC |
893 | }; |
894 | ||
895 | static struct attribute_group asuspf_attribute_group = { | |
8def05fa | 896 | .attrs = asuspf_attributes |
85091b71 CC |
897 | }; |
898 | ||
899 | static struct platform_driver asuspf_driver = { | |
8def05fa LB |
900 | .driver = { |
901 | .name = ASUS_HOTK_FILE, | |
902 | .owner = THIS_MODULE, | |
903 | } | |
85091b71 CC |
904 | }; |
905 | ||
906 | static struct platform_device *asuspf_device; | |
907 | ||
85091b71 CC |
908 | static void asus_hotk_add_fs(void) |
909 | { | |
910 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
911 | |
912 | if (wl_switch_handle) | |
913 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
914 | ||
915 | if (bt_switch_handle) | |
916 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
917 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
918 | |
919 | if (display_set_handle && display_get_handle) | |
920 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 921 | else if (display_set_handle) |
78127b4a CC |
922 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
923 | ||
722ad971 CC |
924 | if (ledd_set_handle) |
925 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
926 | ||
8b857353 CC |
927 | if (ls_switch_handle && ls_level_handle) { |
928 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
929 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
930 | } | |
e539c2f6 | 931 | |
f3985327 | 932 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 933 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
934 | } |
935 | ||
8def05fa | 936 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
937 | char **paths, int num_paths) |
938 | { | |
939 | int i; | |
940 | acpi_status status; | |
941 | ||
942 | for (i = 0; i < num_paths; i++) { | |
943 | status = acpi_get_handle(NULL, paths[i], handle); | |
944 | if (ACPI_SUCCESS(status)) | |
945 | return 0; | |
946 | } | |
947 | ||
948 | *handle = NULL; | |
949 | return -ENODEV; | |
950 | } | |
951 | ||
952 | #define ASUS_HANDLE_INIT(object) \ | |
953 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
954 | ARRAY_SIZE(object##_paths)) | |
955 | ||
85091b71 CC |
956 | /* |
957 | * This function is used to initialize the hotk with right values. In this | |
958 | * method, we can make all the detection we want, and modify the hotk struct | |
959 | */ | |
960 | static int asus_hotk_get_info(void) | |
961 | { | |
962 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 963 | union acpi_object *model = NULL; |
27663c58 | 964 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
965 | char *string = NULL; |
966 | acpi_status status; | |
967 | ||
968 | /* | |
969 | * Get DSDT headers early enough to allow for differentiating between | |
970 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
971 | * before doing anything ACPI-specific. Should we encounter a machine, | |
972 | * which needs special handling (i.e. its hotkey device has a different | |
973 | * HID), this bit will be moved. A global variable asus_info contains | |
974 | * the DSDT header. | |
975 | */ | |
894d79be | 976 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
85091b71 CC |
977 | if (ACPI_FAILURE(status)) |
978 | printk(ASUS_WARNING "Couldn't get the DSDT table header\n"); | |
85091b71 CC |
979 | |
980 | /* We have to write 0 on init this far for all ASUS models */ | |
f8d1c94b | 981 | if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { |
85091b71 CC |
982 | printk(ASUS_ERR "Hotkey initialization failed\n"); |
983 | return -ENODEV; | |
984 | } | |
985 | ||
986 | /* This needs to be called for some laptops to init properly */ | |
9a816850 CC |
987 | status = |
988 | acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result); | |
989 | if (ACPI_FAILURE(status)) | |
85091b71 CC |
990 | printk(ASUS_WARNING "Error calling BSTS\n"); |
991 | else if (bsts_result) | |
992 | printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n", | |
9a816850 | 993 | (uint) bsts_result); |
85091b71 | 994 | |
185e5af9 CC |
995 | /* This too ... */ |
996 | write_acpi_int(hotk->handle, "CWAP", wapf, NULL); | |
997 | ||
85091b71 CC |
998 | /* |
999 | * Try to match the object returned by INIT to the specific model. | |
1000 | * Handle every possible object (or the lack of thereof) the DSDT | |
1001 | * writers might throw at us. When in trouble, we pass NULL to | |
1002 | * asus_model_match() and try something completely different. | |
1003 | */ | |
1004 | if (buffer.pointer) { | |
1005 | model = buffer.pointer; | |
1006 | switch (model->type) { | |
1007 | case ACPI_TYPE_STRING: | |
1008 | string = model->string.pointer; | |
1009 | break; | |
1010 | case ACPI_TYPE_BUFFER: | |
1011 | string = model->buffer.pointer; | |
1012 | break; | |
1013 | default: | |
1014 | string = ""; | |
1015 | break; | |
1016 | } | |
1017 | } | |
1018 | hotk->name = kstrdup(string, GFP_KERNEL); | |
1019 | if (!hotk->name) | |
1020 | return -ENOMEM; | |
1021 | ||
8def05fa | 1022 | if (*string) |
85091b71 CC |
1023 | printk(ASUS_NOTICE " %s model detected\n", string); |
1024 | ||
be18cdab CC |
1025 | ASUS_HANDLE_INIT(mled_set); |
1026 | ASUS_HANDLE_INIT(tled_set); | |
1027 | ASUS_HANDLE_INIT(rled_set); | |
1028 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1029 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1030 | |
722ad971 CC |
1031 | ASUS_HANDLE_INIT(ledd_set); |
1032 | ||
4564de17 CC |
1033 | /* |
1034 | * The HWRS method return informations about the hardware. | |
1035 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1036 | * The significance of others is yet to be found. | |
1037 | * If we don't find the method, we assume the device are present. | |
1038 | */ | |
9a816850 CC |
1039 | status = |
1040 | acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result); | |
1041 | if (ACPI_FAILURE(status)) | |
4564de17 CC |
1042 | hwrs_result = WL_HWRS | BT_HWRS; |
1043 | ||
8def05fa | 1044 | if (hwrs_result & WL_HWRS) |
4564de17 | 1045 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1046 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1047 | ASUS_HANDLE_INIT(bt_switch); |
1048 | ||
1049 | ASUS_HANDLE_INIT(wireless_status); | |
1050 | ||
6b7091e7 CC |
1051 | ASUS_HANDLE_INIT(brightness_set); |
1052 | ASUS_HANDLE_INIT(brightness_get); | |
1053 | ||
1054 | ASUS_HANDLE_INIT(lcd_switch); | |
1055 | ||
78127b4a CC |
1056 | ASUS_HANDLE_INIT(display_set); |
1057 | ASUS_HANDLE_INIT(display_get); | |
1058 | ||
8b857353 CC |
1059 | /* There is a lot of models with "ALSL", but a few get |
1060 | a real light sens, so we need to check it. */ | |
832d9950 | 1061 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1062 | ASUS_HANDLE_INIT(ls_level); |
1063 | ||
e539c2f6 CC |
1064 | ASUS_HANDLE_INIT(gps_on); |
1065 | ASUS_HANDLE_INIT(gps_off); | |
1066 | ASUS_HANDLE_INIT(gps_status); | |
1067 | ||
85091b71 CC |
1068 | kfree(model); |
1069 | ||
1070 | return AE_OK; | |
1071 | } | |
1072 | ||
034ce90a CC |
1073 | static int asus_input_init(void) |
1074 | { | |
1075 | const struct key_entry *key; | |
1076 | int result; | |
1077 | ||
1078 | hotk->inputdev = input_allocate_device(); | |
1079 | if (!hotk->inputdev) { | |
1080 | printk(ASUS_INFO "Unable to allocate input device\n"); | |
1081 | return 0; | |
1082 | } | |
1083 | hotk->inputdev->name = "Asus Laptop extra buttons"; | |
1084 | hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; | |
1085 | hotk->inputdev->id.bustype = BUS_HOST; | |
1086 | hotk->inputdev->getkeycode = asus_getkeycode; | |
1087 | hotk->inputdev->setkeycode = asus_setkeycode; | |
1088 | ||
1089 | for (key = asus_keymap; key->type != KE_END; key++) { | |
1090 | switch (key->type) { | |
1091 | case KE_KEY: | |
1092 | set_bit(EV_KEY, hotk->inputdev->evbit); | |
1093 | set_bit(key->keycode, hotk->inputdev->keybit); | |
1094 | break; | |
1095 | } | |
1096 | } | |
1097 | result = input_register_device(hotk->inputdev); | |
1098 | if (result) { | |
1099 | printk(ASUS_INFO "Unable to register input device\n"); | |
1100 | input_free_device(hotk->inputdev); | |
1101 | } | |
1102 | return result; | |
1103 | } | |
1104 | ||
85091b71 CC |
1105 | static int asus_hotk_check(void) |
1106 | { | |
1107 | int result = 0; | |
1108 | ||
1109 | result = acpi_bus_get_status(hotk->device); | |
1110 | if (result) | |
1111 | return result; | |
1112 | ||
1113 | if (hotk->device->status.present) { | |
1114 | result = asus_hotk_get_info(); | |
1115 | } else { | |
1116 | printk(ASUS_ERR "Hotkey device not present, aborting\n"); | |
1117 | return -EINVAL; | |
1118 | } | |
1119 | ||
1120 | return result; | |
1121 | } | |
1122 | ||
1123 | static int asus_hotk_found; | |
1124 | ||
1125 | static int asus_hotk_add(struct acpi_device *device) | |
1126 | { | |
1127 | acpi_status status = AE_OK; | |
1128 | int result; | |
1129 | ||
1130 | if (!device) | |
1131 | return -EINVAL; | |
1132 | ||
1133 | printk(ASUS_NOTICE "Asus Laptop Support version %s\n", | |
1134 | ASUS_LAPTOP_VERSION); | |
1135 | ||
dd00cc48 | 1136 | hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); |
85091b71 CC |
1137 | if (!hotk) |
1138 | return -ENOMEM; | |
85091b71 CC |
1139 | |
1140 | hotk->handle = device->handle; | |
1141 | strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); | |
1142 | strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); | |
db89b4f0 | 1143 | device->driver_data = hotk; |
85091b71 CC |
1144 | hotk->device = device; |
1145 | ||
1146 | result = asus_hotk_check(); | |
1147 | if (result) | |
1148 | goto end; | |
1149 | ||
1150 | asus_hotk_add_fs(); | |
1151 | ||
1152 | /* | |
1153 | * We install the handler, it will receive the hotk in parameter, so, we | |
1154 | * could add other data to the hotk struct | |
1155 | */ | |
a9dbcb37 | 1156 | status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY, |
85091b71 CC |
1157 | asus_hotk_notify, hotk); |
1158 | if (ACPI_FAILURE(status)) | |
1159 | printk(ASUS_ERR "Error installing notify handler\n"); | |
1160 | ||
1161 | asus_hotk_found = 1; | |
1162 | ||
6b7091e7 | 1163 | /* WLED and BLED are on by default */ |
935ffeec CC |
1164 | write_status(bt_switch_handle, 1, BT_ON); |
1165 | write_status(wl_switch_handle, 1, WL_ON); | |
1166 | ||
1167 | /* If the h/w switch is off, we need to check the real status */ | |
1168 | write_status(NULL, read_status(BT_ON), BT_ON); | |
1169 | write_status(NULL, read_status(WL_ON), WL_ON); | |
4564de17 | 1170 | |
6b7091e7 | 1171 | /* LCD Backlight is on by default */ |
935ffeec | 1172 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 1173 | |
722ad971 CC |
1174 | /* LED display is off by default */ |
1175 | hotk->ledd_status = 0xFFF; | |
1176 | ||
8def05fa LB |
1177 | /* Set initial values of light sensor and level */ |
1178 | hotk->light_switch = 1; /* Default to light sensor disabled */ | |
1179 | hotk->light_level = 0; /* level 5 for sensor sensitivity */ | |
8b857353 | 1180 | |
8def05fa LB |
1181 | if (ls_switch_handle) |
1182 | set_light_sens_switch(hotk->light_switch); | |
8b857353 | 1183 | |
8def05fa LB |
1184 | if (ls_level_handle) |
1185 | set_light_sens_level(hotk->light_level); | |
8b857353 | 1186 | |
e539c2f6 CC |
1187 | /* GPS is on by default */ |
1188 | write_status(NULL, 1, GPS_ON); | |
1189 | ||
ed6f4421 | 1190 | end: |
85091b71 CC |
1191 | if (result) { |
1192 | kfree(hotk->name); | |
1193 | kfree(hotk); | |
1194 | } | |
1195 | ||
1196 | return result; | |
1197 | } | |
1198 | ||
1199 | static int asus_hotk_remove(struct acpi_device *device, int type) | |
1200 | { | |
1201 | acpi_status status = 0; | |
1202 | ||
1203 | if (!device || !acpi_driver_data(device)) | |
1204 | return -EINVAL; | |
1205 | ||
a9dbcb37 | 1206 | status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY, |
85091b71 CC |
1207 | asus_hotk_notify); |
1208 | if (ACPI_FAILURE(status)) | |
1209 | printk(ASUS_ERR "Error removing notify handler\n"); | |
1210 | ||
1211 | kfree(hotk->name); | |
1212 | kfree(hotk); | |
1213 | ||
1214 | return 0; | |
1215 | } | |
1216 | ||
6b7091e7 CC |
1217 | static void asus_backlight_exit(void) |
1218 | { | |
8def05fa | 1219 | if (asus_backlight_device) |
6b7091e7 CC |
1220 | backlight_device_unregister(asus_backlight_device); |
1221 | } | |
1222 | ||
be18cdab | 1223 | #define ASUS_LED_UNREGISTER(object) \ |
e1996a69 GC |
1224 | if (object##_led.dev) \ |
1225 | led_classdev_unregister(&object##_led) | |
be18cdab CC |
1226 | |
1227 | static void asus_led_exit(void) | |
1228 | { | |
3b0d7117 | 1229 | destroy_workqueue(led_workqueue); |
be18cdab CC |
1230 | ASUS_LED_UNREGISTER(mled); |
1231 | ASUS_LED_UNREGISTER(tled); | |
1232 | ASUS_LED_UNREGISTER(pled); | |
1233 | ASUS_LED_UNREGISTER(rled); | |
fdd8d080 | 1234 | ASUS_LED_UNREGISTER(gled); |
be18cdab CC |
1235 | } |
1236 | ||
034ce90a CC |
1237 | static void asus_input_exit(void) |
1238 | { | |
1239 | if (hotk->inputdev) | |
1240 | input_unregister_device(hotk->inputdev); | |
1241 | } | |
1242 | ||
85091b71 CC |
1243 | static void __exit asus_laptop_exit(void) |
1244 | { | |
6b7091e7 | 1245 | asus_backlight_exit(); |
be18cdab | 1246 | asus_led_exit(); |
034ce90a | 1247 | asus_input_exit(); |
be18cdab | 1248 | |
85091b71 | 1249 | acpi_bus_unregister_driver(&asus_hotk_driver); |
8def05fa LB |
1250 | sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); |
1251 | platform_device_unregister(asuspf_device); | |
1252 | platform_driver_unregister(&asuspf_driver); | |
85091b71 CC |
1253 | } |
1254 | ||
8def05fa | 1255 | static int asus_backlight_init(struct device *dev) |
6b7091e7 CC |
1256 | { |
1257 | struct backlight_device *bd; | |
1258 | ||
8def05fa LB |
1259 | if (brightness_set_handle && lcd_switch_handle) { |
1260 | bd = backlight_device_register(ASUS_HOTK_FILE, dev, | |
599a52d1 | 1261 | NULL, &asusbl_ops); |
8def05fa | 1262 | if (IS_ERR(bd)) { |
6b7091e7 CC |
1263 | printk(ASUS_ERR |
1264 | "Could not register asus backlight device\n"); | |
1265 | asus_backlight_device = NULL; | |
1266 | return PTR_ERR(bd); | |
1267 | } | |
1268 | ||
1269 | asus_backlight_device = bd; | |
1270 | ||
599a52d1 RP |
1271 | bd->props.max_brightness = 15; |
1272 | bd->props.brightness = read_brightness(NULL); | |
1273 | bd->props.power = FB_BLANK_UNBLANK; | |
28ee086d | 1274 | backlight_update_status(bd); |
6b7091e7 CC |
1275 | } |
1276 | return 0; | |
1277 | } | |
1278 | ||
be18cdab | 1279 | static int asus_led_register(acpi_handle handle, |
8def05fa | 1280 | struct led_classdev *ldev, struct device *dev) |
be18cdab | 1281 | { |
8def05fa | 1282 | if (!handle) |
be18cdab CC |
1283 | return 0; |
1284 | ||
1285 | return led_classdev_register(dev, ldev); | |
1286 | } | |
8def05fa | 1287 | |
be18cdab CC |
1288 | #define ASUS_LED_REGISTER(object, device) \ |
1289 | asus_led_register(object##_set_handle, &object##_led, device) | |
1290 | ||
8def05fa | 1291 | static int asus_led_init(struct device *dev) |
be18cdab CC |
1292 | { |
1293 | int rv; | |
1294 | ||
1295 | rv = ASUS_LED_REGISTER(mled, dev); | |
8def05fa | 1296 | if (rv) |
3b0d7117 | 1297 | goto out; |
be18cdab CC |
1298 | |
1299 | rv = ASUS_LED_REGISTER(tled, dev); | |
8def05fa | 1300 | if (rv) |
3b0d7117 | 1301 | goto out1; |
be18cdab CC |
1302 | |
1303 | rv = ASUS_LED_REGISTER(rled, dev); | |
8def05fa | 1304 | if (rv) |
3b0d7117 | 1305 | goto out2; |
be18cdab CC |
1306 | |
1307 | rv = ASUS_LED_REGISTER(pled, dev); | |
8def05fa | 1308 | if (rv) |
3b0d7117 | 1309 | goto out3; |
be18cdab | 1310 | |
fdd8d080 CC |
1311 | rv = ASUS_LED_REGISTER(gled, dev); |
1312 | if (rv) | |
3b0d7117 | 1313 | goto out4; |
fdd8d080 | 1314 | |
be18cdab | 1315 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
8def05fa | 1316 | if (!led_workqueue) |
3b0d7117 | 1317 | goto out5; |
be18cdab CC |
1318 | |
1319 | return 0; | |
3b0d7117 AV |
1320 | out5: |
1321 | rv = -ENOMEM; | |
1322 | ASUS_LED_UNREGISTER(gled); | |
1323 | out4: | |
1324 | ASUS_LED_UNREGISTER(pled); | |
1325 | out3: | |
1326 | ASUS_LED_UNREGISTER(rled); | |
1327 | out2: | |
1328 | ASUS_LED_UNREGISTER(tled); | |
1329 | out1: | |
1330 | ASUS_LED_UNREGISTER(mled); | |
1331 | out: | |
1332 | return rv; | |
be18cdab CC |
1333 | } |
1334 | ||
85091b71 CC |
1335 | static int __init asus_laptop_init(void) |
1336 | { | |
be18cdab | 1337 | struct device *dev; |
85091b71 CC |
1338 | int result; |
1339 | ||
1340 | if (acpi_disabled) | |
1341 | return -ENODEV; | |
1342 | ||
85091b71 CC |
1343 | result = acpi_bus_register_driver(&asus_hotk_driver); |
1344 | if (result < 0) | |
1345 | return result; | |
1346 | ||
1347 | /* | |
1348 | * This is a bit of a kludge. We only want this module loaded | |
1349 | * for ASUS systems, but there's currently no way to probe the | |
1350 | * ACPI namespace for ASUS HIDs. So we just return failure if | |
1351 | * we didn't find one, which will cause the module to be | |
1352 | * unloaded. | |
1353 | */ | |
1354 | if (!asus_hotk_found) { | |
1355 | acpi_bus_unregister_driver(&asus_hotk_driver); | |
1356 | return -ENODEV; | |
1357 | } | |
1358 | ||
be18cdab CC |
1359 | dev = acpi_get_physical_device(hotk->device->handle); |
1360 | ||
6766fec3 TR |
1361 | if (!acpi_video_backlight_support()) { |
1362 | result = asus_backlight_init(dev); | |
1363 | if (result) | |
1364 | goto fail_backlight; | |
1365 | } else | |
1366 | printk(ASUS_INFO "Brightness ignored, must be controlled by " | |
1367 | "ACPI video driver\n"); | |
6b7091e7 | 1368 | |
034ce90a CC |
1369 | result = asus_input_init(); |
1370 | if (result) | |
1371 | goto fail_input; | |
1372 | ||
be18cdab | 1373 | result = asus_led_init(dev); |
8def05fa | 1374 | if (result) |
be18cdab CC |
1375 | goto fail_led; |
1376 | ||
8def05fa | 1377 | /* Register platform stuff */ |
85091b71 | 1378 | result = platform_driver_register(&asuspf_driver); |
8def05fa LB |
1379 | if (result) |
1380 | goto fail_platform_driver; | |
85091b71 | 1381 | |
8def05fa LB |
1382 | asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); |
1383 | if (!asuspf_device) { | |
1384 | result = -ENOMEM; | |
1385 | goto fail_platform_device1; | |
1386 | } | |
85091b71 | 1387 | |
8def05fa LB |
1388 | result = platform_device_add(asuspf_device); |
1389 | if (result) | |
1390 | goto fail_platform_device2; | |
85091b71 | 1391 | |
8def05fa | 1392 | result = sysfs_create_group(&asuspf_device->dev.kobj, |
85091b71 | 1393 | &asuspf_attribute_group); |
8def05fa LB |
1394 | if (result) |
1395 | goto fail_sysfs; | |
85091b71 | 1396 | |
8def05fa | 1397 | return 0; |
85091b71 | 1398 | |
ed6f4421 | 1399 | fail_sysfs: |
8def05fa | 1400 | platform_device_del(asuspf_device); |
85091b71 | 1401 | |
ed6f4421 | 1402 | fail_platform_device2: |
85091b71 CC |
1403 | platform_device_put(asuspf_device); |
1404 | ||
ed6f4421 | 1405 | fail_platform_device1: |
8def05fa | 1406 | platform_driver_unregister(&asuspf_driver); |
85091b71 | 1407 | |
ed6f4421 | 1408 | fail_platform_driver: |
be18cdab CC |
1409 | asus_led_exit(); |
1410 | ||
ed6f4421 | 1411 | fail_led: |
034ce90a CC |
1412 | asus_input_exit(); |
1413 | ||
ed6f4421 | 1414 | fail_input: |
6b7091e7 CC |
1415 | asus_backlight_exit(); |
1416 | ||
ed6f4421 | 1417 | fail_backlight: |
85091b71 CC |
1418 | |
1419 | return result; | |
1420 | } | |
1421 | ||
1422 | module_init(asus_laptop_init); | |
1423 | module_exit(asus_laptop_exit); |