Commit | Line | Data |
---|---|---|
85091b71 CC |
1 | /* |
2 | * asus-laptop.c - Asus Laptop Support | |
3 | * | |
4 | * | |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor | |
8ec555c2 | 6 | * Copyright (C) 2006-2007 Corentin Chary |
85091b71 CC |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * | |
23 | * The development page for this driver is located at | |
24 | * http://sourceforge.net/projects/acpi4asus/ | |
25 | * | |
26 | * Credits: | |
27 | * Pontus Fuchs - Helper functions, cleanup | |
28 | * Johann Wiesner - Small compile fixes | |
29 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. | |
30 | * Eric Burghard - LED display support for W1N | |
31 | * Josh Green - Light Sens support | |
32 | * Thomas Tuttle - His first patch for led support was very helpfull | |
e539c2f6 | 33 | * Sam Lin - GPS support |
85091b71 CC |
34 | */ |
35 | ||
2fcc23da CC |
36 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
37 | ||
85091b71 CC |
38 | #include <linux/kernel.h> |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/types.h> | |
42 | #include <linux/err.h> | |
43 | #include <linux/proc_fs.h> | |
6b7091e7 CC |
44 | #include <linux/backlight.h> |
45 | #include <linux/fb.h> | |
be18cdab | 46 | #include <linux/leds.h> |
85091b71 CC |
47 | #include <linux/platform_device.h> |
48 | #include <acpi/acpi_drivers.h> | |
49 | #include <acpi/acpi_bus.h> | |
50 | #include <asm/uaccess.h> | |
034ce90a | 51 | #include <linux/input.h> |
85091b71 | 52 | |
f3985327 | 53 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 CC |
54 | |
55 | #define ASUS_HOTK_NAME "Asus Laptop Support" | |
56 | #define ASUS_HOTK_CLASS "hotkey" | |
57 | #define ASUS_HOTK_DEVICE_NAME "Hotkey" | |
2fcc23da | 58 | #define ASUS_HOTK_FILE KBUILD_MODNAME |
85091b71 CC |
59 | #define ASUS_HOTK_PREFIX "\\_SB.ATKD." |
60 | ||
2fcc23da | 61 | |
6b7091e7 CC |
62 | /* |
63 | * Some events we use, same for all Asus | |
64 | */ | |
65 | #define ATKD_BR_UP 0x10 | |
66 | #define ATKD_BR_DOWN 0x20 | |
67 | #define ATKD_LCD_ON 0x33 | |
68 | #define ATKD_LCD_OFF 0x34 | |
69 | ||
4564de17 CC |
70 | /* |
71 | * Known bits returned by \_SB.ATKD.HWRS | |
72 | */ | |
73 | #define WL_HWRS 0x80 | |
74 | #define BT_HWRS 0x100 | |
75 | ||
be18cdab CC |
76 | /* |
77 | * Flags for hotk status | |
4564de17 | 78 | * WL_ON and BT_ON are also used for wireless_status() |
be18cdab | 79 | */ |
4564de17 CC |
80 | #define WL_ON 0x01 //internal Wifi |
81 | #define BT_ON 0x02 //internal Bluetooth | |
be18cdab CC |
82 | #define MLED_ON 0x04 //mail LED |
83 | #define TLED_ON 0x08 //touchpad LED | |
8def05fa LB |
84 | #define RLED_ON 0x10 //Record LED |
85 | #define PLED_ON 0x20 //Phone LED | |
fdd8d080 CC |
86 | #define GLED_ON 0x40 //Gaming LED |
87 | #define LCD_ON 0x80 //LCD backlight | |
f3985327 | 88 | #define GPS_ON 0x100 //GPS |
be18cdab | 89 | |
85091b71 CC |
90 | #define ASUS_LOG ASUS_HOTK_FILE ": " |
91 | #define ASUS_ERR KERN_ERR ASUS_LOG | |
92 | #define ASUS_WARNING KERN_WARNING ASUS_LOG | |
93 | #define ASUS_NOTICE KERN_NOTICE ASUS_LOG | |
94 | #define ASUS_INFO KERN_INFO ASUS_LOG | |
95 | #define ASUS_DEBUG KERN_DEBUG ASUS_LOG | |
96 | ||
97 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); | |
98 | MODULE_DESCRIPTION(ASUS_HOTK_NAME); | |
99 | MODULE_LICENSE("GPL"); | |
100 | ||
185e5af9 CC |
101 | /* WAPF defines the behavior of the Fn+Fx wlan key |
102 | * The significance of values is yet to be found, but | |
103 | * most of the time: | |
104 | * 0x0 will do nothing | |
105 | * 0x1 will allow to control the device with Fn+Fx key. | |
106 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
107 | * 0x5 like 0x1 or 0x4 | |
108 | * So, if something doesn't work as you want, just try other values =) | |
109 | */ | |
110 | static uint wapf = 1; | |
111 | module_param(wapf, uint, 0644); | |
112 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
113 | ||
85091b71 CC |
114 | #define ASUS_HANDLE(object, paths...) \ |
115 | static acpi_handle object##_handle = NULL; \ | |
116 | static char *object##_paths[] = { paths } | |
117 | ||
be18cdab CC |
118 | /* LED */ |
119 | ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); | |
120 | ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); | |
8def05fa LB |
121 | ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ |
122 | ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ | |
fdd8d080 | 123 | ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ |
be18cdab | 124 | |
722ad971 CC |
125 | /* LEDD */ |
126 | ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); | |
127 | ||
4564de17 CC |
128 | /* Bluetooth and WLAN |
129 | * WLED and BLED are not handled like other XLED, because in some dsdt | |
130 | * they also control the WLAN/Bluetooth device. | |
131 | */ | |
132 | ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); | |
133 | ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); | |
8def05fa | 134 | ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ |
4564de17 | 135 | |
6b7091e7 CC |
136 | /* Brightness */ |
137 | ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); | |
138 | ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); | |
139 | ||
140 | /* Backlight */ | |
8def05fa LB |
141 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
142 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
143 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
144 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
145 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 146 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
147 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
148 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 149 | |
78127b4a CC |
150 | /* Display */ |
151 | ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); | |
8def05fa LB |
152 | ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G |
153 | M6A M6V VX-1 V6J V6V W3Z */ | |
154 | "\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V | |
f3985327 | 155 | S5A M5A z33A W1Jc W2V G1 */ |
8def05fa LB |
156 | "\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */ |
157 | "\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */ | |
158 | "\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */ | |
159 | "\\_SB.PCI0.VGA.GETD", /* Z96F */ | |
160 | "\\ACTD", /* A2D */ | |
161 | "\\ADVG", /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
162 | "\\DNXT", /* P30 */ | |
163 | "\\INFB", /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
164 | "\\SSTE"); /* A3F A6F A3N A3L M6N W3N W6A */ | |
165 | ||
166 | ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ | |
167 | ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 168 | |
e539c2f6 CC |
169 | /* GPS */ |
170 | /* R2H use different handle for GPS on/off */ | |
f3985327 CC |
171 | ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */ |
172 | ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */ | |
e539c2f6 CC |
173 | ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST"); |
174 | ||
85091b71 CC |
175 | /* |
176 | * This is the main structure, we can use it to store anything interesting | |
177 | * about the hotk device | |
178 | */ | |
179 | struct asus_hotk { | |
8def05fa | 180 | char *name; //laptop name |
85091b71 CC |
181 | struct acpi_device *device; //the device we are in |
182 | acpi_handle handle; //the handle of the hotk device | |
183 | char status; //status of the hotk, for LEDs, ... | |
722ad971 | 184 | u32 ledd_status; //status of the LED display |
8def05fa LB |
185 | u8 light_level; //light sensor level |
186 | u8 light_switch; //light sensor switch value | |
85091b71 | 187 | u16 event_count[128]; //count for each event TODO make this better |
034ce90a CC |
188 | struct input_dev *inputdev; |
189 | u16 *keycode_map; | |
85091b71 CC |
190 | }; |
191 | ||
192 | /* | |
193 | * This header is made available to allow proper configuration given model, | |
194 | * revision number , ... this info cannot go in struct asus_hotk because it is | |
195 | * available before the hotk | |
196 | */ | |
197 | static struct acpi_table_header *asus_info; | |
198 | ||
199 | /* The actual device the driver binds to */ | |
200 | static struct asus_hotk *hotk; | |
201 | ||
202 | /* | |
203 | * The hotkey driver declaration | |
204 | */ | |
1ba90e3a TR |
205 | static const struct acpi_device_id asus_device_ids[] = { |
206 | {"ATK0100", 0}, | |
207 | {"", 0}, | |
208 | }; | |
209 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
210 | ||
85091b71 CC |
211 | static int asus_hotk_add(struct acpi_device *device); |
212 | static int asus_hotk_remove(struct acpi_device *device, int type); | |
586ed160 BH |
213 | static void asus_hotk_notify(struct acpi_device *device, u32 event); |
214 | ||
85091b71 CC |
215 | static struct acpi_driver asus_hotk_driver = { |
216 | .name = ASUS_HOTK_NAME, | |
217 | .class = ASUS_HOTK_CLASS, | |
1ba90e3a | 218 | .ids = asus_device_ids, |
586ed160 | 219 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
85091b71 CC |
220 | .ops = { |
221 | .add = asus_hotk_add, | |
222 | .remove = asus_hotk_remove, | |
586ed160 | 223 | .notify = asus_hotk_notify, |
85091b71 CC |
224 | }, |
225 | }; | |
226 | ||
6b7091e7 CC |
227 | /* The backlight device /sys/class/backlight */ |
228 | static struct backlight_device *asus_backlight_device; | |
229 | ||
230 | /* | |
231 | * The backlight class declaration | |
232 | */ | |
233 | static int read_brightness(struct backlight_device *bd); | |
234 | static int update_bl_status(struct backlight_device *bd); | |
599a52d1 | 235 | static struct backlight_ops asusbl_ops = { |
8def05fa LB |
236 | .get_brightness = read_brightness, |
237 | .update_status = update_bl_status, | |
6b7091e7 CC |
238 | }; |
239 | ||
be18cdab CC |
240 | /* These functions actually update the LED's, and are called from a |
241 | * workqueue. By doing this as separate work rather than when the LED | |
242 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
243 | * potentially bad time, such as a timer interrupt. */ | |
244 | static struct workqueue_struct *led_workqueue; | |
245 | ||
246 | #define ASUS_LED(object, ledname) \ | |
247 | static void object##_led_set(struct led_classdev *led_cdev, \ | |
248 | enum led_brightness value); \ | |
249 | static void object##_led_update(struct work_struct *ignored); \ | |
250 | static int object##_led_wk; \ | |
f110ef58 | 251 | static DECLARE_WORK(object##_led_work, object##_led_update); \ |
be18cdab | 252 | static struct led_classdev object##_led = { \ |
6c152bee | 253 | .name = "asus::" ledname, \ |
be18cdab CC |
254 | .brightness_set = object##_led_set, \ |
255 | } | |
256 | ||
257 | ASUS_LED(mled, "mail"); | |
258 | ASUS_LED(tled, "touchpad"); | |
259 | ASUS_LED(rled, "record"); | |
260 | ASUS_LED(pled, "phone"); | |
fdd8d080 | 261 | ASUS_LED(gled, "gaming"); |
be18cdab | 262 | |
034ce90a CC |
263 | struct key_entry { |
264 | char type; | |
265 | u8 code; | |
266 | u16 keycode; | |
267 | }; | |
268 | ||
269 | enum { KE_KEY, KE_END }; | |
270 | ||
271 | static struct key_entry asus_keymap[] = { | |
272 | {KE_KEY, 0x30, KEY_VOLUMEUP}, | |
273 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
274 | {KE_KEY, 0x32, KEY_MUTE}, | |
275 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
276 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
277 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
278 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 279 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a CC |
280 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
281 | {KE_KEY, 0x50, KEY_EMAIL}, | |
282 | {KE_KEY, 0x51, KEY_WWW}, | |
309f5fbd | 283 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a CC |
284 | {KE_KEY, 0x5D, KEY_WLAN}, |
285 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, | |
286 | {KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */ | |
287 | {KE_KEY, 0x82, KEY_CAMERA}, | |
309f5fbd | 288 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
289 | {KE_KEY, 0x95, KEY_MEDIA}, |
290 | {KE_KEY, 0x99, KEY_PHONE}, | |
291 | {KE_END, 0}, | |
292 | }; | |
293 | ||
85091b71 CC |
294 | /* |
295 | * This function evaluates an ACPI method, given an int as parameter, the | |
296 | * method is searched within the scope of the handle, can be NULL. The output | |
297 | * of the method is written is output, which can also be NULL | |
298 | * | |
f8d1c94b | 299 | * returns 0 if write is successful, -1 else. |
85091b71 CC |
300 | */ |
301 | static int write_acpi_int(acpi_handle handle, const char *method, int val, | |
302 | struct acpi_buffer *output) | |
303 | { | |
304 | struct acpi_object_list params; //list of input parameters (an int here) | |
305 | union acpi_object in_obj; //the only param we use | |
306 | acpi_status status; | |
307 | ||
f8d1c94b CC |
308 | if (!handle) |
309 | return 0; | |
310 | ||
85091b71 CC |
311 | params.count = 1; |
312 | params.pointer = &in_obj; | |
313 | in_obj.type = ACPI_TYPE_INTEGER; | |
314 | in_obj.integer.value = val; | |
315 | ||
316 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
317 | if (status == AE_OK) |
318 | return 0; | |
319 | else | |
320 | return -1; | |
85091b71 CC |
321 | } |
322 | ||
8def05fa LB |
323 | static int read_wireless_status(int mask) |
324 | { | |
27663c58 | 325 | unsigned long long status; |
9a816850 | 326 | acpi_status rv = AE_OK; |
4564de17 CC |
327 | |
328 | if (!wireless_status_handle) | |
329 | return (hotk->status & mask) ? 1 : 0; | |
330 | ||
9a816850 CC |
331 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); |
332 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 333 | pr_warning("Error reading Wireless status\n"); |
9a816850 CC |
334 | else |
335 | return (status & mask) ? 1 : 0; | |
4564de17 CC |
336 | |
337 | return (hotk->status & mask) ? 1 : 0; | |
338 | } | |
339 | ||
f3985327 CC |
340 | static int read_gps_status(void) |
341 | { | |
27663c58 | 342 | unsigned long long status; |
e539c2f6 CC |
343 | acpi_status rv = AE_OK; |
344 | ||
345 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
346 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 347 | pr_warning("Error reading GPS status\n"); |
e539c2f6 | 348 | else |
f3985327 | 349 | return status ? 1 : 0; |
e539c2f6 | 350 | |
f3985327 | 351 | return (hotk->status & GPS_ON) ? 1 : 0; |
e539c2f6 CC |
352 | } |
353 | ||
be18cdab CC |
354 | /* Generic LED functions */ |
355 | static int read_status(int mask) | |
356 | { | |
4564de17 CC |
357 | /* There is a special method for both wireless devices */ |
358 | if (mask == BT_ON || mask == WL_ON) | |
359 | return read_wireless_status(mask); | |
f3985327 CC |
360 | else if (mask == GPS_ON) |
361 | return read_gps_status(); | |
4564de17 | 362 | |
be18cdab CC |
363 | return (hotk->status & mask) ? 1 : 0; |
364 | } | |
365 | ||
935ffeec | 366 | static void write_status(acpi_handle handle, int out, int mask) |
be18cdab CC |
367 | { |
368 | hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); | |
369 | ||
935ffeec CC |
370 | switch (mask) { |
371 | case MLED_ON: | |
e1af14e4 | 372 | out = !(out & 0x1); |
935ffeec | 373 | break; |
fdd8d080 CC |
374 | case GLED_ON: |
375 | out = (out & 0x1) + 1; | |
376 | break; | |
e539c2f6 CC |
377 | case GPS_ON: |
378 | handle = (out) ? gps_on_handle : gps_off_handle; | |
379 | out = 0x02; | |
380 | break; | |
935ffeec CC |
381 | default: |
382 | out &= 0x1; | |
383 | break; | |
384 | } | |
be18cdab | 385 | |
f8d1c94b | 386 | if (write_acpi_int(handle, NULL, out, NULL)) |
2fcc23da | 387 | pr_warning(" write failed %x\n", mask); |
be18cdab CC |
388 | } |
389 | ||
390 | /* /sys/class/led handlers */ | |
935ffeec | 391 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
392 | static void object##_led_set(struct led_classdev *led_cdev, \ |
393 | enum led_brightness value) \ | |
394 | { \ | |
e3deda9c | 395 | object##_led_wk = (value > 0) ? 1 : 0; \ |
be18cdab CC |
396 | queue_work(led_workqueue, &object##_led_work); \ |
397 | } \ | |
398 | static void object##_led_update(struct work_struct *ignored) \ | |
399 | { \ | |
400 | int value = object##_led_wk; \ | |
935ffeec | 401 | write_status(object##_set_handle, value, (mask)); \ |
be18cdab CC |
402 | } |
403 | ||
935ffeec CC |
404 | ASUS_LED_HANDLER(mled, MLED_ON); |
405 | ASUS_LED_HANDLER(pled, PLED_ON); | |
406 | ASUS_LED_HANDLER(rled, RLED_ON); | |
407 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 408 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 409 | |
6b7091e7 CC |
410 | static int get_lcd_state(void) |
411 | { | |
412 | return read_status(LCD_ON); | |
413 | } | |
414 | ||
415 | static int set_lcd_state(int value) | |
416 | { | |
417 | int lcd = 0; | |
418 | acpi_status status = 0; | |
419 | ||
420 | lcd = value ? 1 : 0; | |
421 | ||
422 | if (lcd == get_lcd_state()) | |
423 | return 0; | |
424 | ||
8def05fa | 425 | if (lcd_switch_handle) { |
6b7091e7 CC |
426 | status = acpi_evaluate_object(lcd_switch_handle, |
427 | NULL, NULL, NULL); | |
428 | ||
429 | if (ACPI_FAILURE(status)) | |
2fcc23da | 430 | pr_warning("Error switching LCD\n"); |
6b7091e7 CC |
431 | } |
432 | ||
935ffeec | 433 | write_status(NULL, lcd, LCD_ON); |
6b7091e7 CC |
434 | return 0; |
435 | } | |
436 | ||
437 | static void lcd_blank(int blank) | |
438 | { | |
439 | struct backlight_device *bd = asus_backlight_device; | |
440 | ||
8def05fa | 441 | if (bd) { |
599a52d1 | 442 | bd->props.power = blank; |
28ee086d | 443 | backlight_update_status(bd); |
6b7091e7 CC |
444 | } |
445 | } | |
446 | ||
447 | static int read_brightness(struct backlight_device *bd) | |
448 | { | |
27663c58 | 449 | unsigned long long value; |
9a816850 | 450 | acpi_status rv = AE_OK; |
6b7091e7 | 451 | |
9a816850 CC |
452 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
453 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 454 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
455 | |
456 | return value; | |
457 | } | |
458 | ||
459 | static int set_brightness(struct backlight_device *bd, int value) | |
460 | { | |
461 | int ret = 0; | |
462 | ||
463 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
464 | /* 0 <= value <= 15 */ | |
465 | ||
f8d1c94b | 466 | if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) { |
2fcc23da | 467 | pr_warning("Error changing brightness\n"); |
6b7091e7 CC |
468 | ret = -EIO; |
469 | } | |
470 | ||
471 | return ret; | |
472 | } | |
473 | ||
474 | static int update_bl_status(struct backlight_device *bd) | |
475 | { | |
476 | int rv; | |
599a52d1 | 477 | int value = bd->props.brightness; |
6b7091e7 CC |
478 | |
479 | rv = set_brightness(bd, value); | |
8def05fa | 480 | if (rv) |
6b7091e7 CC |
481 | return rv; |
482 | ||
599a52d1 | 483 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
6b7091e7 CC |
484 | return set_lcd_state(value); |
485 | } | |
486 | ||
85091b71 CC |
487 | /* |
488 | * Platform device handlers | |
489 | */ | |
490 | ||
491 | /* | |
492 | * We write our info in page, we begin at offset off and cannot write more | |
493 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
494 | * number of bytes written in page | |
495 | */ | |
496 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 497 | struct device_attribute *attr, char *page) |
85091b71 CC |
498 | { |
499 | int len = 0; | |
27663c58 | 500 | unsigned long long temp; |
85091b71 | 501 | char buf[16]; //enough for all info |
9a816850 CC |
502 | acpi_status rv = AE_OK; |
503 | ||
85091b71 CC |
504 | /* |
505 | * We use the easy way, we don't care of off and count, so we don't set eof | |
506 | * to 1 | |
507 | */ | |
508 | ||
509 | len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); | |
510 | len += sprintf(page + len, "Model reference : %s\n", hotk->name); | |
511 | /* | |
512 | * The SFUN method probably allows the original driver to get the list | |
513 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
514 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
515 | * The significance of others is yet to be found. | |
516 | */ | |
9a816850 CC |
517 | rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp); |
518 | if (!ACPI_FAILURE(rv)) | |
519 | len += sprintf(page + len, "SFUN value : 0x%04x\n", | |
520 | (uint) temp); | |
85091b71 CC |
521 | /* |
522 | * Another value for userspace: the ASYM method returns 0x02 for | |
523 | * battery low and 0x04 for battery critical, its readings tend to be | |
524 | * more accurate than those provided by _BST. | |
525 | * Note: since not all the laptops provide this method, errors are | |
526 | * silently ignored. | |
527 | */ | |
9a816850 CC |
528 | rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp); |
529 | if (!ACPI_FAILURE(rv)) | |
530 | len += sprintf(page + len, "ASYM value : 0x%04x\n", | |
531 | (uint) temp); | |
85091b71 CC |
532 | if (asus_info) { |
533 | snprintf(buf, 16, "%d", asus_info->length); | |
534 | len += sprintf(page + len, "DSDT length : %s\n", buf); | |
535 | snprintf(buf, 16, "%d", asus_info->checksum); | |
536 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); | |
537 | snprintf(buf, 16, "%d", asus_info->revision); | |
538 | len += sprintf(page + len, "DSDT revision : %s\n", buf); | |
539 | snprintf(buf, 7, "%s", asus_info->oem_id); | |
540 | len += sprintf(page + len, "OEM id : %s\n", buf); | |
541 | snprintf(buf, 9, "%s", asus_info->oem_table_id); | |
542 | len += sprintf(page + len, "OEM table id : %s\n", buf); | |
543 | snprintf(buf, 16, "%x", asus_info->oem_revision); | |
544 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); | |
545 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); | |
546 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); | |
547 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); | |
548 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); | |
549 | } | |
550 | ||
551 | return len; | |
552 | } | |
553 | ||
554 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
555 | { | |
556 | if (!count) | |
557 | return 0; | |
558 | if (count > 31) | |
559 | return -EINVAL; | |
560 | if (sscanf(buf, "%i", val) != 1) | |
561 | return -EINVAL; | |
562 | return count; | |
563 | } | |
564 | ||
4564de17 | 565 | static ssize_t store_status(const char *buf, size_t count, |
935ffeec | 566 | acpi_handle handle, int mask) |
4564de17 CC |
567 | { |
568 | int rv, value; | |
569 | int out = 0; | |
570 | ||
571 | rv = parse_arg(buf, count, &value); | |
572 | if (rv > 0) | |
573 | out = value ? 1 : 0; | |
574 | ||
935ffeec | 575 | write_status(handle, out, mask); |
4564de17 CC |
576 | |
577 | return rv; | |
578 | } | |
579 | ||
722ad971 CC |
580 | /* |
581 | * LEDD display | |
582 | */ | |
583 | static ssize_t show_ledd(struct device *dev, | |
584 | struct device_attribute *attr, char *buf) | |
585 | { | |
586 | return sprintf(buf, "0x%08x\n", hotk->ledd_status); | |
587 | } | |
588 | ||
589 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
590 | const char *buf, size_t count) | |
591 | { | |
592 | int rv, value; | |
593 | ||
594 | rv = parse_arg(buf, count, &value); | |
595 | if (rv > 0) { | |
f8d1c94b | 596 | if (write_acpi_int(ledd_set_handle, NULL, value, NULL)) |
2fcc23da | 597 | pr_warning("LED display write failed\n"); |
722ad971 CC |
598 | else |
599 | hotk->ledd_status = (u32) value; | |
600 | } | |
601 | return rv; | |
602 | } | |
603 | ||
4564de17 CC |
604 | /* |
605 | * WLAN | |
606 | */ | |
607 | static ssize_t show_wlan(struct device *dev, | |
608 | struct device_attribute *attr, char *buf) | |
609 | { | |
610 | return sprintf(buf, "%d\n", read_status(WL_ON)); | |
611 | } | |
612 | ||
613 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
614 | const char *buf, size_t count) | |
615 | { | |
935ffeec | 616 | return store_status(buf, count, wl_switch_handle, WL_ON); |
4564de17 CC |
617 | } |
618 | ||
619 | /* | |
620 | * Bluetooth | |
621 | */ | |
622 | static ssize_t show_bluetooth(struct device *dev, | |
623 | struct device_attribute *attr, char *buf) | |
624 | { | |
625 | return sprintf(buf, "%d\n", read_status(BT_ON)); | |
626 | } | |
627 | ||
8def05fa LB |
628 | static ssize_t store_bluetooth(struct device *dev, |
629 | struct device_attribute *attr, const char *buf, | |
630 | size_t count) | |
4564de17 | 631 | { |
935ffeec | 632 | return store_status(buf, count, bt_switch_handle, BT_ON); |
4564de17 CC |
633 | } |
634 | ||
78127b4a CC |
635 | /* |
636 | * Display | |
637 | */ | |
638 | static void set_display(int value) | |
639 | { | |
640 | /* no sanity check needed for now */ | |
f8d1c94b | 641 | if (write_acpi_int(display_set_handle, NULL, value, NULL)) |
2fcc23da | 642 | pr_warning("Error setting display\n"); |
78127b4a CC |
643 | return; |
644 | } | |
645 | ||
646 | static int read_display(void) | |
647 | { | |
27663c58 | 648 | unsigned long long value = 0; |
9a816850 | 649 | acpi_status rv = AE_OK; |
78127b4a CC |
650 | |
651 | /* In most of the case, we know how to set the display, but sometime | |
652 | we can't read it */ | |
8def05fa | 653 | if (display_get_handle) { |
9a816850 CC |
654 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
655 | NULL, &value); | |
656 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 657 | pr_warning("Error reading display status\n"); |
78127b4a CC |
658 | } |
659 | ||
660 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
661 | ||
662 | return value; | |
663 | } | |
8def05fa | 664 | |
78127b4a CC |
665 | /* |
666 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
667 | * complained. The significance of bits is the same as in store_disp() | |
668 | */ | |
669 | static ssize_t show_disp(struct device *dev, | |
670 | struct device_attribute *attr, char *buf) | |
671 | { | |
672 | return sprintf(buf, "%d\n", read_display()); | |
673 | } | |
674 | ||
675 | /* | |
676 | * Experimental support for display switching. As of now: 1 should activate | |
677 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
678 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
679 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
680 | * for more info. | |
681 | */ | |
682 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
683 | const char *buf, size_t count) | |
684 | { | |
685 | int rv, value; | |
686 | ||
687 | rv = parse_arg(buf, count, &value); | |
688 | if (rv > 0) | |
689 | set_display(value); | |
690 | return rv; | |
691 | } | |
692 | ||
8b857353 CC |
693 | /* |
694 | * Light Sens | |
695 | */ | |
696 | static void set_light_sens_switch(int value) | |
697 | { | |
f8d1c94b | 698 | if (write_acpi_int(ls_switch_handle, NULL, value, NULL)) |
2fcc23da | 699 | pr_warning("Error setting light sensor switch\n"); |
8b857353 CC |
700 | hotk->light_switch = value; |
701 | } | |
702 | ||
703 | static ssize_t show_lssw(struct device *dev, | |
704 | struct device_attribute *attr, char *buf) | |
705 | { | |
706 | return sprintf(buf, "%d\n", hotk->light_switch); | |
707 | } | |
708 | ||
709 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
710 | const char *buf, size_t count) | |
711 | { | |
712 | int rv, value; | |
713 | ||
714 | rv = parse_arg(buf, count, &value); | |
715 | if (rv > 0) | |
716 | set_light_sens_switch(value ? 1 : 0); | |
717 | ||
718 | return rv; | |
719 | } | |
720 | ||
721 | static void set_light_sens_level(int value) | |
722 | { | |
f8d1c94b | 723 | if (write_acpi_int(ls_level_handle, NULL, value, NULL)) |
2fcc23da | 724 | pr_warning("Error setting light sensor level\n"); |
8b857353 CC |
725 | hotk->light_level = value; |
726 | } | |
727 | ||
728 | static ssize_t show_lslvl(struct device *dev, | |
729 | struct device_attribute *attr, char *buf) | |
730 | { | |
731 | return sprintf(buf, "%d\n", hotk->light_level); | |
732 | } | |
733 | ||
734 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
735 | const char *buf, size_t count) | |
736 | { | |
737 | int rv, value; | |
738 | ||
739 | rv = parse_arg(buf, count, &value); | |
740 | if (rv > 0) { | |
741 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
742 | /* 0 <= value <= 15 */ | |
743 | set_light_sens_level(value); | |
744 | } | |
745 | ||
746 | return rv; | |
747 | } | |
748 | ||
e539c2f6 CC |
749 | /* |
750 | * GPS | |
751 | */ | |
752 | static ssize_t show_gps(struct device *dev, | |
753 | struct device_attribute *attr, char *buf) | |
754 | { | |
755 | return sprintf(buf, "%d\n", read_status(GPS_ON)); | |
756 | } | |
757 | ||
758 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
759 | const char *buf, size_t count) | |
760 | { | |
f3985327 | 761 | return store_status(buf, count, NULL, GPS_ON); |
e539c2f6 CC |
762 | } |
763 | ||
034ce90a CC |
764 | /* |
765 | * Hotkey functions | |
766 | */ | |
767 | static struct key_entry *asus_get_entry_by_scancode(int code) | |
768 | { | |
769 | struct key_entry *key; | |
770 | ||
771 | for (key = asus_keymap; key->type != KE_END; key++) | |
772 | if (code == key->code) | |
773 | return key; | |
774 | ||
775 | return NULL; | |
776 | } | |
777 | ||
778 | static struct key_entry *asus_get_entry_by_keycode(int code) | |
779 | { | |
780 | struct key_entry *key; | |
781 | ||
782 | for (key = asus_keymap; key->type != KE_END; key++) | |
783 | if (code == key->keycode && key->type == KE_KEY) | |
784 | return key; | |
785 | ||
786 | return NULL; | |
787 | } | |
788 | ||
789 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
790 | { | |
791 | struct key_entry *key = asus_get_entry_by_scancode(scancode); | |
792 | ||
793 | if (key && key->type == KE_KEY) { | |
794 | *keycode = key->keycode; | |
795 | return 0; | |
796 | } | |
797 | ||
798 | return -EINVAL; | |
799 | } | |
800 | ||
801 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
802 | { | |
803 | struct key_entry *key; | |
804 | int old_keycode; | |
805 | ||
806 | if (keycode < 0 || keycode > KEY_MAX) | |
807 | return -EINVAL; | |
808 | ||
809 | key = asus_get_entry_by_scancode(scancode); | |
810 | if (key && key->type == KE_KEY) { | |
811 | old_keycode = key->keycode; | |
812 | key->keycode = keycode; | |
813 | set_bit(keycode, dev->keybit); | |
814 | if (!asus_get_entry_by_keycode(old_keycode)) | |
815 | clear_bit(old_keycode, dev->keybit); | |
816 | return 0; | |
817 | } | |
818 | ||
819 | return -EINVAL; | |
820 | } | |
821 | ||
586ed160 | 822 | static void asus_hotk_notify(struct acpi_device *device, u32 event) |
85091b71 | 823 | { |
034ce90a | 824 | static struct key_entry *key; |
6050c8dd | 825 | u16 count; |
034ce90a | 826 | |
85091b71 CC |
827 | /* TODO Find a better way to handle events count. */ |
828 | if (!hotk) | |
829 | return; | |
830 | ||
6b7091e7 CC |
831 | /* |
832 | * We need to tell the backlight device when the backlight power is | |
833 | * switched | |
834 | */ | |
835 | if (event == ATKD_LCD_ON) { | |
935ffeec | 836 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 837 | lcd_blank(FB_BLANK_UNBLANK); |
8def05fa | 838 | } else if (event == ATKD_LCD_OFF) { |
935ffeec | 839 | write_status(NULL, 0, LCD_ON); |
6b7091e7 CC |
840 | lcd_blank(FB_BLANK_POWERDOWN); |
841 | } | |
842 | ||
6050c8dd CC |
843 | count = hotk->event_count[event % 128]++; |
844 | acpi_bus_generate_proc_event(hotk->device, event, count); | |
2a7dc0d8 CC |
845 | acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, |
846 | dev_name(&hotk->device->dev), event, | |
6050c8dd | 847 | count); |
85091b71 | 848 | |
034ce90a CC |
849 | if (hotk->inputdev) { |
850 | key = asus_get_entry_by_scancode(event); | |
851 | if (!key) | |
852 | return ; | |
853 | ||
854 | switch (key->type) { | |
855 | case KE_KEY: | |
856 | input_report_key(hotk->inputdev, key->keycode, 1); | |
857 | input_sync(hotk->inputdev); | |
858 | input_report_key(hotk->inputdev, key->keycode, 0); | |
859 | input_sync(hotk->inputdev); | |
860 | break; | |
861 | } | |
862 | } | |
85091b71 CC |
863 | } |
864 | ||
865 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
866 | struct device_attribute dev_attr_##_name = { \ | |
867 | .attr = { \ | |
868 | .name = __stringify(_name), \ | |
7b595756 | 869 | .mode = 0 }, \ |
85091b71 CC |
870 | .show = NULL, \ |
871 | .store = NULL, \ | |
872 | } | |
873 | ||
874 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
875 | do { \ | |
876 | dev_attr_##_name.attr.mode = _mode; \ | |
877 | dev_attr_##_name.show = _show; \ | |
878 | dev_attr_##_name.store = _store; \ | |
879 | } while(0) | |
880 | ||
881 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
882 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
883 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 884 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 885 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
886 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
887 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 888 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
889 | |
890 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
891 | &dev_attr_infos.attr, |
892 | &dev_attr_wlan.attr, | |
893 | &dev_attr_bluetooth.attr, | |
894 | &dev_attr_display.attr, | |
895 | &dev_attr_ledd.attr, | |
896 | &dev_attr_ls_switch.attr, | |
897 | &dev_attr_ls_level.attr, | |
e539c2f6 | 898 | &dev_attr_gps.attr, |
8def05fa | 899 | NULL |
85091b71 CC |
900 | }; |
901 | ||
902 | static struct attribute_group asuspf_attribute_group = { | |
8def05fa | 903 | .attrs = asuspf_attributes |
85091b71 CC |
904 | }; |
905 | ||
906 | static struct platform_driver asuspf_driver = { | |
8def05fa LB |
907 | .driver = { |
908 | .name = ASUS_HOTK_FILE, | |
909 | .owner = THIS_MODULE, | |
910 | } | |
85091b71 CC |
911 | }; |
912 | ||
913 | static struct platform_device *asuspf_device; | |
914 | ||
85091b71 CC |
915 | static void asus_hotk_add_fs(void) |
916 | { | |
917 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
918 | |
919 | if (wl_switch_handle) | |
920 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
921 | ||
922 | if (bt_switch_handle) | |
923 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
924 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
925 | |
926 | if (display_set_handle && display_get_handle) | |
927 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 928 | else if (display_set_handle) |
78127b4a CC |
929 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
930 | ||
722ad971 CC |
931 | if (ledd_set_handle) |
932 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
933 | ||
8b857353 CC |
934 | if (ls_switch_handle && ls_level_handle) { |
935 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
936 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
937 | } | |
e539c2f6 | 938 | |
f3985327 | 939 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 940 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
941 | } |
942 | ||
8def05fa | 943 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
944 | char **paths, int num_paths) |
945 | { | |
946 | int i; | |
947 | acpi_status status; | |
948 | ||
949 | for (i = 0; i < num_paths; i++) { | |
950 | status = acpi_get_handle(NULL, paths[i], handle); | |
951 | if (ACPI_SUCCESS(status)) | |
952 | return 0; | |
953 | } | |
954 | ||
955 | *handle = NULL; | |
956 | return -ENODEV; | |
957 | } | |
958 | ||
959 | #define ASUS_HANDLE_INIT(object) \ | |
960 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
961 | ARRAY_SIZE(object##_paths)) | |
962 | ||
85091b71 CC |
963 | /* |
964 | * This function is used to initialize the hotk with right values. In this | |
965 | * method, we can make all the detection we want, and modify the hotk struct | |
966 | */ | |
967 | static int asus_hotk_get_info(void) | |
968 | { | |
969 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 970 | union acpi_object *model = NULL; |
27663c58 | 971 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
972 | char *string = NULL; |
973 | acpi_status status; | |
974 | ||
975 | /* | |
976 | * Get DSDT headers early enough to allow for differentiating between | |
977 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
978 | * before doing anything ACPI-specific. Should we encounter a machine, | |
979 | * which needs special handling (i.e. its hotkey device has a different | |
980 | * HID), this bit will be moved. A global variable asus_info contains | |
981 | * the DSDT header. | |
982 | */ | |
894d79be | 983 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
85091b71 | 984 | if (ACPI_FAILURE(status)) |
2fcc23da | 985 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
986 | |
987 | /* We have to write 0 on init this far for all ASUS models */ | |
f8d1c94b | 988 | if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { |
2fcc23da | 989 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
990 | return -ENODEV; |
991 | } | |
992 | ||
993 | /* This needs to be called for some laptops to init properly */ | |
9a816850 CC |
994 | status = |
995 | acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result); | |
996 | if (ACPI_FAILURE(status)) | |
2fcc23da | 997 | pr_warning("Error calling BSTS\n"); |
85091b71 | 998 | else if (bsts_result) |
2fcc23da | 999 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1000 | (uint) bsts_result); |
85091b71 | 1001 | |
185e5af9 CC |
1002 | /* This too ... */ |
1003 | write_acpi_int(hotk->handle, "CWAP", wapf, NULL); | |
1004 | ||
85091b71 CC |
1005 | /* |
1006 | * Try to match the object returned by INIT to the specific model. | |
1007 | * Handle every possible object (or the lack of thereof) the DSDT | |
1008 | * writers might throw at us. When in trouble, we pass NULL to | |
1009 | * asus_model_match() and try something completely different. | |
1010 | */ | |
1011 | if (buffer.pointer) { | |
1012 | model = buffer.pointer; | |
1013 | switch (model->type) { | |
1014 | case ACPI_TYPE_STRING: | |
1015 | string = model->string.pointer; | |
1016 | break; | |
1017 | case ACPI_TYPE_BUFFER: | |
1018 | string = model->buffer.pointer; | |
1019 | break; | |
1020 | default: | |
1021 | string = ""; | |
1022 | break; | |
1023 | } | |
1024 | } | |
1025 | hotk->name = kstrdup(string, GFP_KERNEL); | |
1026 | if (!hotk->name) | |
1027 | return -ENOMEM; | |
1028 | ||
8def05fa | 1029 | if (*string) |
2fcc23da | 1030 | pr_notice(" %s model detected\n", string); |
85091b71 | 1031 | |
be18cdab CC |
1032 | ASUS_HANDLE_INIT(mled_set); |
1033 | ASUS_HANDLE_INIT(tled_set); | |
1034 | ASUS_HANDLE_INIT(rled_set); | |
1035 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1036 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1037 | |
722ad971 CC |
1038 | ASUS_HANDLE_INIT(ledd_set); |
1039 | ||
4564de17 CC |
1040 | /* |
1041 | * The HWRS method return informations about the hardware. | |
1042 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1043 | * The significance of others is yet to be found. | |
1044 | * If we don't find the method, we assume the device are present. | |
1045 | */ | |
9a816850 CC |
1046 | status = |
1047 | acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result); | |
1048 | if (ACPI_FAILURE(status)) | |
4564de17 CC |
1049 | hwrs_result = WL_HWRS | BT_HWRS; |
1050 | ||
8def05fa | 1051 | if (hwrs_result & WL_HWRS) |
4564de17 | 1052 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1053 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1054 | ASUS_HANDLE_INIT(bt_switch); |
1055 | ||
1056 | ASUS_HANDLE_INIT(wireless_status); | |
1057 | ||
6b7091e7 CC |
1058 | ASUS_HANDLE_INIT(brightness_set); |
1059 | ASUS_HANDLE_INIT(brightness_get); | |
1060 | ||
1061 | ASUS_HANDLE_INIT(lcd_switch); | |
1062 | ||
78127b4a CC |
1063 | ASUS_HANDLE_INIT(display_set); |
1064 | ASUS_HANDLE_INIT(display_get); | |
1065 | ||
8b857353 CC |
1066 | /* There is a lot of models with "ALSL", but a few get |
1067 | a real light sens, so we need to check it. */ | |
832d9950 | 1068 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1069 | ASUS_HANDLE_INIT(ls_level); |
1070 | ||
e539c2f6 CC |
1071 | ASUS_HANDLE_INIT(gps_on); |
1072 | ASUS_HANDLE_INIT(gps_off); | |
1073 | ASUS_HANDLE_INIT(gps_status); | |
1074 | ||
85091b71 CC |
1075 | kfree(model); |
1076 | ||
1077 | return AE_OK; | |
1078 | } | |
1079 | ||
034ce90a CC |
1080 | static int asus_input_init(void) |
1081 | { | |
1082 | const struct key_entry *key; | |
1083 | int result; | |
1084 | ||
1085 | hotk->inputdev = input_allocate_device(); | |
1086 | if (!hotk->inputdev) { | |
2fcc23da | 1087 | pr_info("Unable to allocate input device\n"); |
034ce90a CC |
1088 | return 0; |
1089 | } | |
1090 | hotk->inputdev->name = "Asus Laptop extra buttons"; | |
1091 | hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; | |
1092 | hotk->inputdev->id.bustype = BUS_HOST; | |
1093 | hotk->inputdev->getkeycode = asus_getkeycode; | |
1094 | hotk->inputdev->setkeycode = asus_setkeycode; | |
1095 | ||
1096 | for (key = asus_keymap; key->type != KE_END; key++) { | |
1097 | switch (key->type) { | |
1098 | case KE_KEY: | |
1099 | set_bit(EV_KEY, hotk->inputdev->evbit); | |
1100 | set_bit(key->keycode, hotk->inputdev->keybit); | |
1101 | break; | |
1102 | } | |
1103 | } | |
1104 | result = input_register_device(hotk->inputdev); | |
1105 | if (result) { | |
2fcc23da | 1106 | pr_info("Unable to register input device\n"); |
034ce90a CC |
1107 | input_free_device(hotk->inputdev); |
1108 | } | |
1109 | return result; | |
1110 | } | |
1111 | ||
85091b71 CC |
1112 | static int asus_hotk_check(void) |
1113 | { | |
1114 | int result = 0; | |
1115 | ||
1116 | result = acpi_bus_get_status(hotk->device); | |
1117 | if (result) | |
1118 | return result; | |
1119 | ||
1120 | if (hotk->device->status.present) { | |
1121 | result = asus_hotk_get_info(); | |
1122 | } else { | |
2fcc23da | 1123 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1124 | return -EINVAL; |
1125 | } | |
1126 | ||
1127 | return result; | |
1128 | } | |
1129 | ||
1130 | static int asus_hotk_found; | |
1131 | ||
1132 | static int asus_hotk_add(struct acpi_device *device) | |
1133 | { | |
85091b71 CC |
1134 | int result; |
1135 | ||
1136 | if (!device) | |
1137 | return -EINVAL; | |
1138 | ||
2fcc23da | 1139 | pr_notice("Asus Laptop Support version %s\n", |
85091b71 CC |
1140 | ASUS_LAPTOP_VERSION); |
1141 | ||
dd00cc48 | 1142 | hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); |
85091b71 CC |
1143 | if (!hotk) |
1144 | return -ENOMEM; | |
85091b71 CC |
1145 | |
1146 | hotk->handle = device->handle; | |
1147 | strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); | |
1148 | strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); | |
db89b4f0 | 1149 | device->driver_data = hotk; |
85091b71 CC |
1150 | hotk->device = device; |
1151 | ||
1152 | result = asus_hotk_check(); | |
1153 | if (result) | |
1154 | goto end; | |
1155 | ||
1156 | asus_hotk_add_fs(); | |
1157 | ||
85091b71 CC |
1158 | asus_hotk_found = 1; |
1159 | ||
6b7091e7 | 1160 | /* WLED and BLED are on by default */ |
935ffeec CC |
1161 | write_status(bt_switch_handle, 1, BT_ON); |
1162 | write_status(wl_switch_handle, 1, WL_ON); | |
1163 | ||
1164 | /* If the h/w switch is off, we need to check the real status */ | |
1165 | write_status(NULL, read_status(BT_ON), BT_ON); | |
1166 | write_status(NULL, read_status(WL_ON), WL_ON); | |
4564de17 | 1167 | |
6b7091e7 | 1168 | /* LCD Backlight is on by default */ |
935ffeec | 1169 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 1170 | |
722ad971 CC |
1171 | /* LED display is off by default */ |
1172 | hotk->ledd_status = 0xFFF; | |
1173 | ||
8def05fa LB |
1174 | /* Set initial values of light sensor and level */ |
1175 | hotk->light_switch = 1; /* Default to light sensor disabled */ | |
1176 | hotk->light_level = 0; /* level 5 for sensor sensitivity */ | |
8b857353 | 1177 | |
8def05fa LB |
1178 | if (ls_switch_handle) |
1179 | set_light_sens_switch(hotk->light_switch); | |
8b857353 | 1180 | |
8def05fa LB |
1181 | if (ls_level_handle) |
1182 | set_light_sens_level(hotk->light_level); | |
8b857353 | 1183 | |
e539c2f6 CC |
1184 | /* GPS is on by default */ |
1185 | write_status(NULL, 1, GPS_ON); | |
1186 | ||
ed6f4421 | 1187 | end: |
85091b71 CC |
1188 | if (result) { |
1189 | kfree(hotk->name); | |
1190 | kfree(hotk); | |
1191 | } | |
1192 | ||
1193 | return result; | |
1194 | } | |
1195 | ||
1196 | static int asus_hotk_remove(struct acpi_device *device, int type) | |
1197 | { | |
85091b71 CC |
1198 | if (!device || !acpi_driver_data(device)) |
1199 | return -EINVAL; | |
1200 | ||
85091b71 CC |
1201 | kfree(hotk->name); |
1202 | kfree(hotk); | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
6b7091e7 CC |
1207 | static void asus_backlight_exit(void) |
1208 | { | |
8def05fa | 1209 | if (asus_backlight_device) |
6b7091e7 CC |
1210 | backlight_device_unregister(asus_backlight_device); |
1211 | } | |
1212 | ||
be18cdab | 1213 | #define ASUS_LED_UNREGISTER(object) \ |
e1996a69 GC |
1214 | if (object##_led.dev) \ |
1215 | led_classdev_unregister(&object##_led) | |
be18cdab CC |
1216 | |
1217 | static void asus_led_exit(void) | |
1218 | { | |
3b0d7117 | 1219 | destroy_workqueue(led_workqueue); |
be18cdab CC |
1220 | ASUS_LED_UNREGISTER(mled); |
1221 | ASUS_LED_UNREGISTER(tled); | |
1222 | ASUS_LED_UNREGISTER(pled); | |
1223 | ASUS_LED_UNREGISTER(rled); | |
fdd8d080 | 1224 | ASUS_LED_UNREGISTER(gled); |
be18cdab CC |
1225 | } |
1226 | ||
034ce90a CC |
1227 | static void asus_input_exit(void) |
1228 | { | |
1229 | if (hotk->inputdev) | |
1230 | input_unregister_device(hotk->inputdev); | |
1231 | } | |
1232 | ||
85091b71 CC |
1233 | static void __exit asus_laptop_exit(void) |
1234 | { | |
6b7091e7 | 1235 | asus_backlight_exit(); |
be18cdab | 1236 | asus_led_exit(); |
034ce90a | 1237 | asus_input_exit(); |
be18cdab | 1238 | |
85091b71 | 1239 | acpi_bus_unregister_driver(&asus_hotk_driver); |
8def05fa LB |
1240 | sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); |
1241 | platform_device_unregister(asuspf_device); | |
1242 | platform_driver_unregister(&asuspf_driver); | |
85091b71 CC |
1243 | } |
1244 | ||
8def05fa | 1245 | static int asus_backlight_init(struct device *dev) |
6b7091e7 CC |
1246 | { |
1247 | struct backlight_device *bd; | |
1248 | ||
8def05fa LB |
1249 | if (brightness_set_handle && lcd_switch_handle) { |
1250 | bd = backlight_device_register(ASUS_HOTK_FILE, dev, | |
599a52d1 | 1251 | NULL, &asusbl_ops); |
8def05fa | 1252 | if (IS_ERR(bd)) { |
2fcc23da | 1253 | pr_err("Could not register asus backlight device\n"); |
6b7091e7 CC |
1254 | asus_backlight_device = NULL; |
1255 | return PTR_ERR(bd); | |
1256 | } | |
1257 | ||
1258 | asus_backlight_device = bd; | |
1259 | ||
599a52d1 RP |
1260 | bd->props.max_brightness = 15; |
1261 | bd->props.brightness = read_brightness(NULL); | |
1262 | bd->props.power = FB_BLANK_UNBLANK; | |
28ee086d | 1263 | backlight_update_status(bd); |
6b7091e7 CC |
1264 | } |
1265 | return 0; | |
1266 | } | |
1267 | ||
be18cdab | 1268 | static int asus_led_register(acpi_handle handle, |
8def05fa | 1269 | struct led_classdev *ldev, struct device *dev) |
be18cdab | 1270 | { |
8def05fa | 1271 | if (!handle) |
be18cdab CC |
1272 | return 0; |
1273 | ||
1274 | return led_classdev_register(dev, ldev); | |
1275 | } | |
8def05fa | 1276 | |
be18cdab CC |
1277 | #define ASUS_LED_REGISTER(object, device) \ |
1278 | asus_led_register(object##_set_handle, &object##_led, device) | |
1279 | ||
8def05fa | 1280 | static int asus_led_init(struct device *dev) |
be18cdab CC |
1281 | { |
1282 | int rv; | |
1283 | ||
1284 | rv = ASUS_LED_REGISTER(mled, dev); | |
8def05fa | 1285 | if (rv) |
3b0d7117 | 1286 | goto out; |
be18cdab CC |
1287 | |
1288 | rv = ASUS_LED_REGISTER(tled, dev); | |
8def05fa | 1289 | if (rv) |
3b0d7117 | 1290 | goto out1; |
be18cdab CC |
1291 | |
1292 | rv = ASUS_LED_REGISTER(rled, dev); | |
8def05fa | 1293 | if (rv) |
3b0d7117 | 1294 | goto out2; |
be18cdab CC |
1295 | |
1296 | rv = ASUS_LED_REGISTER(pled, dev); | |
8def05fa | 1297 | if (rv) |
3b0d7117 | 1298 | goto out3; |
be18cdab | 1299 | |
fdd8d080 CC |
1300 | rv = ASUS_LED_REGISTER(gled, dev); |
1301 | if (rv) | |
3b0d7117 | 1302 | goto out4; |
fdd8d080 | 1303 | |
be18cdab | 1304 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
8def05fa | 1305 | if (!led_workqueue) |
3b0d7117 | 1306 | goto out5; |
be18cdab CC |
1307 | |
1308 | return 0; | |
3b0d7117 AV |
1309 | out5: |
1310 | rv = -ENOMEM; | |
1311 | ASUS_LED_UNREGISTER(gled); | |
1312 | out4: | |
1313 | ASUS_LED_UNREGISTER(pled); | |
1314 | out3: | |
1315 | ASUS_LED_UNREGISTER(rled); | |
1316 | out2: | |
1317 | ASUS_LED_UNREGISTER(tled); | |
1318 | out1: | |
1319 | ASUS_LED_UNREGISTER(mled); | |
1320 | out: | |
1321 | return rv; | |
be18cdab CC |
1322 | } |
1323 | ||
85091b71 CC |
1324 | static int __init asus_laptop_init(void) |
1325 | { | |
1326 | int result; | |
1327 | ||
1328 | if (acpi_disabled) | |
1329 | return -ENODEV; | |
1330 | ||
85091b71 CC |
1331 | result = acpi_bus_register_driver(&asus_hotk_driver); |
1332 | if (result < 0) | |
1333 | return result; | |
1334 | ||
1335 | /* | |
1336 | * This is a bit of a kludge. We only want this module loaded | |
1337 | * for ASUS systems, but there's currently no way to probe the | |
1338 | * ACPI namespace for ASUS HIDs. So we just return failure if | |
1339 | * we didn't find one, which will cause the module to be | |
1340 | * unloaded. | |
1341 | */ | |
1342 | if (!asus_hotk_found) { | |
1343 | acpi_bus_unregister_driver(&asus_hotk_driver); | |
1344 | return -ENODEV; | |
1345 | } | |
1346 | ||
034ce90a CC |
1347 | result = asus_input_init(); |
1348 | if (result) | |
1349 | goto fail_input; | |
1350 | ||
8def05fa | 1351 | /* Register platform stuff */ |
85091b71 | 1352 | result = platform_driver_register(&asuspf_driver); |
8def05fa LB |
1353 | if (result) |
1354 | goto fail_platform_driver; | |
85091b71 | 1355 | |
8def05fa LB |
1356 | asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); |
1357 | if (!asuspf_device) { | |
1358 | result = -ENOMEM; | |
1359 | goto fail_platform_device1; | |
1360 | } | |
85091b71 | 1361 | |
8def05fa LB |
1362 | result = platform_device_add(asuspf_device); |
1363 | if (result) | |
1364 | goto fail_platform_device2; | |
85091b71 | 1365 | |
8def05fa | 1366 | result = sysfs_create_group(&asuspf_device->dev.kobj, |
85091b71 | 1367 | &asuspf_attribute_group); |
8def05fa LB |
1368 | if (result) |
1369 | goto fail_sysfs; | |
85091b71 | 1370 | |
116bf2e0 CC |
1371 | result = asus_led_init(&asuspf_device->dev); |
1372 | if (result) | |
1373 | goto fail_led; | |
1374 | ||
1375 | if (!acpi_video_backlight_support()) { | |
1376 | result = asus_backlight_init(&asuspf_device->dev); | |
1377 | if (result) | |
1378 | goto fail_backlight; | |
1379 | } else | |
2fcc23da | 1380 | pr_info("Brightness ignored, must be controlled by " |
116bf2e0 CC |
1381 | "ACPI video driver\n"); |
1382 | ||
8def05fa | 1383 | return 0; |
85091b71 | 1384 | |
116bf2e0 CC |
1385 | fail_backlight: |
1386 | asus_led_exit(); | |
1387 | ||
1388 | fail_led: | |
1389 | sysfs_remove_group(&asuspf_device->dev.kobj, | |
1390 | &asuspf_attribute_group); | |
1391 | ||
ed6f4421 | 1392 | fail_sysfs: |
8def05fa | 1393 | platform_device_del(asuspf_device); |
85091b71 | 1394 | |
ed6f4421 | 1395 | fail_platform_device2: |
85091b71 CC |
1396 | platform_device_put(asuspf_device); |
1397 | ||
ed6f4421 | 1398 | fail_platform_device1: |
8def05fa | 1399 | platform_driver_unregister(&asuspf_driver); |
85091b71 | 1400 | |
ed6f4421 | 1401 | fail_platform_driver: |
034ce90a CC |
1402 | asus_input_exit(); |
1403 | ||
ed6f4421 | 1404 | fail_input: |
85091b71 CC |
1405 | |
1406 | return result; | |
1407 | } | |
1408 | ||
1409 | module_init(asus_laptop_init); | |
1410 | module_exit(asus_laptop_exit); |