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85091b71 CC |
1 | /* |
2 | * asus-laptop.c - Asus Laptop Support | |
3 | * | |
4 | * | |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor | |
8ec555c2 | 6 | * Copyright (C) 2006-2007 Corentin Chary |
85091b71 CC |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | * | |
23 | * The development page for this driver is located at | |
24 | * http://sourceforge.net/projects/acpi4asus/ | |
25 | * | |
26 | * Credits: | |
27 | * Pontus Fuchs - Helper functions, cleanup | |
28 | * Johann Wiesner - Small compile fixes | |
29 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. | |
30 | * Eric Burghard - LED display support for W1N | |
31 | * Josh Green - Light Sens support | |
32 | * Thomas Tuttle - His first patch for led support was very helpfull | |
e539c2f6 | 33 | * Sam Lin - GPS support |
85091b71 CC |
34 | */ |
35 | ||
2fcc23da CC |
36 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
37 | ||
85091b71 CC |
38 | #include <linux/kernel.h> |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/types.h> | |
42 | #include <linux/err.h> | |
43 | #include <linux/proc_fs.h> | |
6b7091e7 CC |
44 | #include <linux/backlight.h> |
45 | #include <linux/fb.h> | |
be18cdab | 46 | #include <linux/leds.h> |
85091b71 CC |
47 | #include <linux/platform_device.h> |
48 | #include <acpi/acpi_drivers.h> | |
49 | #include <acpi/acpi_bus.h> | |
50 | #include <asm/uaccess.h> | |
034ce90a | 51 | #include <linux/input.h> |
85091b71 | 52 | |
91687cc8 | 53 | #define ASUS_LAPTOP_VERSION "0.42" |
85091b71 | 54 | |
50a90c4d CC |
55 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
56 | #define ASUS_LAPTOP_CLASS "hotkey" | |
57 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" | |
58 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME | |
59 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." | |
85091b71 | 60 | |
2fcc23da | 61 | |
6b7091e7 CC |
62 | /* |
63 | * Some events we use, same for all Asus | |
64 | */ | |
91687cc8 CC |
65 | #define ATKD_BR_UP 0x10 |
66 | #define ATKD_BR_DOWN 0x20 | |
67 | #define ATKD_LCD_ON 0x33 | |
68 | #define ATKD_LCD_OFF 0x34 | |
6b7091e7 | 69 | |
4564de17 CC |
70 | /* |
71 | * Known bits returned by \_SB.ATKD.HWRS | |
72 | */ | |
91687cc8 CC |
73 | #define WL_HWRS 0x80 |
74 | #define BT_HWRS 0x100 | |
4564de17 | 75 | |
be18cdab CC |
76 | /* |
77 | * Flags for hotk status | |
4564de17 | 78 | * WL_ON and BT_ON are also used for wireless_status() |
be18cdab | 79 | */ |
91687cc8 CC |
80 | #define WL_ON 0x01 /* internal Wifi */ |
81 | #define BT_ON 0x02 /* internal Bluetooth */ | |
82 | #define MLED_ON 0x04 /* mail LED */ | |
83 | #define TLED_ON 0x08 /* touchpad LED */ | |
84 | #define RLED_ON 0x10 /* Record LED */ | |
85 | #define PLED_ON 0x20 /* Phone LED */ | |
86 | #define GLED_ON 0x40 /* Gaming LED */ | |
87 | #define LCD_ON 0x80 /* LCD backlight */ | |
88 | #define GPS_ON 0x100 /* GPS */ | |
89 | #define KEY_ON 0x200 /* Keyboard backlight */ | |
85091b71 CC |
90 | |
91 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); | |
50a90c4d | 92 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
85091b71 CC |
93 | MODULE_LICENSE("GPL"); |
94 | ||
be966660 CC |
95 | /* |
96 | * WAPF defines the behavior of the Fn+Fx wlan key | |
185e5af9 CC |
97 | * The significance of values is yet to be found, but |
98 | * most of the time: | |
99 | * 0x0 will do nothing | |
100 | * 0x1 will allow to control the device with Fn+Fx key. | |
101 | * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key | |
102 | * 0x5 like 0x1 or 0x4 | |
103 | * So, if something doesn't work as you want, just try other values =) | |
104 | */ | |
105 | static uint wapf = 1; | |
106 | module_param(wapf, uint, 0644); | |
107 | MODULE_PARM_DESC(wapf, "WAPF value"); | |
108 | ||
0e875f49 CC |
109 | static uint wireless_status = 1; |
110 | static uint bluetooth_status = 1; | |
111 | ||
112 | module_param(wireless_status, uint, 0644); | |
113 | MODULE_PARM_DESC(wireless_status, "Set the wireless status on boot " | |
114 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
115 | "default is 1"); | |
116 | ||
117 | module_param(bluetooth_status, uint, 0644); | |
118 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " | |
119 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " | |
120 | "default is 1"); | |
121 | ||
85091b71 CC |
122 | #define ASUS_HANDLE(object, paths...) \ |
123 | static acpi_handle object##_handle = NULL; \ | |
124 | static char *object##_paths[] = { paths } | |
125 | ||
be18cdab | 126 | /* LED */ |
50a90c4d CC |
127 | ASUS_HANDLE(mled_set, ASUS_LAPTOP_PREFIX "MLED"); |
128 | ASUS_HANDLE(tled_set, ASUS_LAPTOP_PREFIX "TLED"); | |
129 | ASUS_HANDLE(rled_set, ASUS_LAPTOP_PREFIX "RLED"); /* W1JC */ | |
130 | ASUS_HANDLE(pled_set, ASUS_LAPTOP_PREFIX "PLED"); /* A7J */ | |
131 | ASUS_HANDLE(gled_set, ASUS_LAPTOP_PREFIX "GLED"); /* G1, G2 (probably) */ | |
be18cdab | 132 | |
722ad971 | 133 | /* LEDD */ |
50a90c4d | 134 | ASUS_HANDLE(ledd_set, ASUS_LAPTOP_PREFIX "SLCM"); |
722ad971 | 135 | |
be966660 CC |
136 | /* |
137 | * Bluetooth and WLAN | |
4564de17 CC |
138 | * WLED and BLED are not handled like other XLED, because in some dsdt |
139 | * they also control the WLAN/Bluetooth device. | |
140 | */ | |
50a90c4d CC |
141 | ASUS_HANDLE(wl_switch, ASUS_LAPTOP_PREFIX "WLED"); |
142 | ASUS_HANDLE(bt_switch, ASUS_LAPTOP_PREFIX "BLED"); | |
143 | ASUS_HANDLE(wireless_status, ASUS_LAPTOP_PREFIX "RSTS"); /* All new models */ | |
4564de17 | 144 | |
6b7091e7 | 145 | /* Brightness */ |
50a90c4d CC |
146 | ASUS_HANDLE(brightness_set, ASUS_LAPTOP_PREFIX "SPLV"); |
147 | ASUS_HANDLE(brightness_get, ASUS_LAPTOP_PREFIX "GPLV"); | |
6b7091e7 CC |
148 | |
149 | /* Backlight */ | |
8def05fa LB |
150 | ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ |
151 | "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ | |
152 | "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ | |
153 | "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ | |
154 | "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ | |
4d0b856e | 155 | "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ |
8def05fa LB |
156 | "\\_SB.PCI0.PX40.Q10", /* S1x */ |
157 | "\\Q10"); /* A2x, L2D, L3D, M2E */ | |
6b7091e7 | 158 | |
78127b4a | 159 | /* Display */ |
50a90c4d | 160 | ASUS_HANDLE(display_set, ASUS_LAPTOP_PREFIX "SDSP"); |
be966660 CC |
161 | ASUS_HANDLE(display_get, |
162 | /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ | |
163 | "\\_SB.PCI0.P0P1.VGA.GETD", | |
164 | /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ | |
165 | "\\_SB.PCI0.P0P2.VGA.GETD", | |
166 | /* A6V A6Q */ | |
167 | "\\_SB.PCI0.P0P3.VGA.GETD", | |
168 | /* A6T, A6M */ | |
169 | "\\_SB.PCI0.P0PA.VGA.GETD", | |
170 | /* L3C */ | |
171 | "\\_SB.PCI0.PCI1.VGAC.NMAP", | |
172 | /* Z96F */ | |
173 | "\\_SB.PCI0.VGA.GETD", | |
174 | /* A2D */ | |
175 | "\\ACTD", | |
176 | /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ | |
177 | "\\ADVG", | |
178 | /* P30 */ | |
179 | "\\DNXT", | |
180 | /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ | |
181 | "\\INFB", | |
182 | /* A3F A6F A3N A3L M6N W3N W6A */ | |
183 | "\\SSTE"); | |
184 | ||
50a90c4d CC |
185 | ASUS_HANDLE(ls_switch, ASUS_LAPTOP_PREFIX "ALSC"); /* Z71A Z71V */ |
186 | ASUS_HANDLE(ls_level, ASUS_LAPTOP_PREFIX "ALSL"); /* Z71A Z71V */ | |
8b857353 | 187 | |
e539c2f6 CC |
188 | /* GPS */ |
189 | /* R2H use different handle for GPS on/off */ | |
50a90c4d CC |
190 | ASUS_HANDLE(gps_on, ASUS_LAPTOP_PREFIX "SDON"); /* R2H */ |
191 | ASUS_HANDLE(gps_off, ASUS_LAPTOP_PREFIX "SDOF"); /* R2H */ | |
192 | ASUS_HANDLE(gps_status, ASUS_LAPTOP_PREFIX "GPST"); | |
e539c2f6 | 193 | |
b7d3fbc2 | 194 | /* Keyboard light */ |
50a90c4d CC |
195 | ASUS_HANDLE(kled_set, ASUS_LAPTOP_PREFIX "SLKB"); |
196 | ASUS_HANDLE(kled_get, ASUS_LAPTOP_PREFIX "GLKB"); | |
b7d3fbc2 | 197 | |
85091b71 CC |
198 | /* |
199 | * This is the main structure, we can use it to store anything interesting | |
200 | * about the hotk device | |
201 | */ | |
50a90c4d | 202 | struct asus_laptop { |
be966660 | 203 | char *name; /* laptop name */ |
600ad520 CC |
204 | |
205 | struct platform_device *platform_device; | |
be966660 CC |
206 | struct acpi_device *device; /* the device we are in */ |
207 | acpi_handle handle; /* the handle of the hotk device */ | |
208 | char status; /* status of the hotk, for LEDs, ... */ | |
209 | u32 ledd_status; /* status of the LED display */ | |
210 | u8 light_level; /* light sensor level */ | |
211 | u8 light_switch; /* light sensor switch value */ | |
212 | u16 event_count[128]; /* count for each event TODO make this better */ | |
034ce90a CC |
213 | struct input_dev *inputdev; |
214 | u16 *keycode_map; | |
85091b71 CC |
215 | }; |
216 | ||
217 | /* | |
218 | * This header is made available to allow proper configuration given model, | |
50a90c4d | 219 | * revision number , ... this info cannot go in struct asus_laptop because it is |
85091b71 CC |
220 | * available before the hotk |
221 | */ | |
222 | static struct acpi_table_header *asus_info; | |
223 | ||
224 | /* The actual device the driver binds to */ | |
50a90c4d | 225 | static struct asus_laptop *asus; |
85091b71 | 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 | ||
be966660 CC |
240 | /* |
241 | * These functions actually update the LED's, and are called from a | |
be18cdab CC |
242 | * workqueue. By doing this as separate work rather than when the LED |
243 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a | |
be966660 CC |
244 | * potentially bad time, such as a timer interrupt. |
245 | */ | |
be18cdab CC |
246 | static struct workqueue_struct *led_workqueue; |
247 | ||
977c328d | 248 | #define ASUS_LED(object, ledname, max) \ |
be18cdab CC |
249 | static void object##_led_set(struct led_classdev *led_cdev, \ |
250 | enum led_brightness value); \ | |
abfa57e1 CC |
251 | static enum led_brightness object##_led_get( \ |
252 | struct led_classdev *led_cdev); \ | |
be18cdab CC |
253 | static void object##_led_update(struct work_struct *ignored); \ |
254 | static int object##_led_wk; \ | |
f110ef58 | 255 | static DECLARE_WORK(object##_led_work, object##_led_update); \ |
be18cdab | 256 | static struct led_classdev object##_led = { \ |
6c152bee | 257 | .name = "asus::" ledname, \ |
be18cdab | 258 | .brightness_set = object##_led_set, \ |
abfa57e1 | 259 | .brightness_get = object##_led_get, \ |
977c328d | 260 | .max_brightness = max \ |
be18cdab CC |
261 | } |
262 | ||
977c328d CC |
263 | ASUS_LED(mled, "mail", 1); |
264 | ASUS_LED(tled, "touchpad", 1); | |
265 | ASUS_LED(rled, "record", 1); | |
266 | ASUS_LED(pled, "phone", 1); | |
267 | ASUS_LED(gled, "gaming", 1); | |
b7d3fbc2 | 268 | ASUS_LED(kled, "kbd_backlight", 3); |
be18cdab | 269 | |
034ce90a CC |
270 | struct key_entry { |
271 | char type; | |
272 | u8 code; | |
273 | u16 keycode; | |
274 | }; | |
275 | ||
276 | enum { KE_KEY, KE_END }; | |
277 | ||
278 | static struct key_entry asus_keymap[] = { | |
14f8af31 IP |
279 | {KE_KEY, 0x02, KEY_SCREENLOCK}, |
280 | {KE_KEY, 0x05, KEY_WLAN}, | |
281 | {KE_KEY, 0x08, KEY_F13}, | |
282 | {KE_KEY, 0x17, KEY_ZOOM}, | |
283 | {KE_KEY, 0x1f, KEY_BATTERY}, | |
034ce90a CC |
284 | {KE_KEY, 0x30, KEY_VOLUMEUP}, |
285 | {KE_KEY, 0x31, KEY_VOLUMEDOWN}, | |
286 | {KE_KEY, 0x32, KEY_MUTE}, | |
287 | {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, | |
288 | {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, | |
289 | {KE_KEY, 0x40, KEY_PREVIOUSSONG}, | |
290 | {KE_KEY, 0x41, KEY_NEXTSONG}, | |
309f5fbd | 291 | {KE_KEY, 0x43, KEY_STOPCD}, |
034ce90a | 292 | {KE_KEY, 0x45, KEY_PLAYPAUSE}, |
4644d0e5 | 293 | {KE_KEY, 0x4c, KEY_MEDIA}, |
034ce90a CC |
294 | {KE_KEY, 0x50, KEY_EMAIL}, |
295 | {KE_KEY, 0x51, KEY_WWW}, | |
0aa20f7d | 296 | {KE_KEY, 0x55, KEY_CALC}, |
309f5fbd | 297 | {KE_KEY, 0x5C, KEY_SCREENLOCK}, /* Screenlock */ |
034ce90a | 298 | {KE_KEY, 0x5D, KEY_WLAN}, |
f641375b CC |
299 | {KE_KEY, 0x5E, KEY_WLAN}, |
300 | {KE_KEY, 0x5F, KEY_WLAN}, | |
301 | {KE_KEY, 0x60, KEY_SWITCHVIDEOMODE}, | |
034ce90a | 302 | {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, |
14f8af31 IP |
303 | {KE_KEY, 0x62, KEY_SWITCHVIDEOMODE}, |
304 | {KE_KEY, 0x63, KEY_SWITCHVIDEOMODE}, | |
16851f92 | 305 | {KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */ |
034ce90a | 306 | {KE_KEY, 0x82, KEY_CAMERA}, |
1f0233ee | 307 | {KE_KEY, 0x88, KEY_WLAN }, |
309f5fbd | 308 | {KE_KEY, 0x8A, KEY_PROG1}, |
034ce90a CC |
309 | {KE_KEY, 0x95, KEY_MEDIA}, |
310 | {KE_KEY, 0x99, KEY_PHONE}, | |
dc795260 CC |
311 | {KE_KEY, 0xc4, KEY_KBDILLUMUP}, |
312 | {KE_KEY, 0xc5, KEY_KBDILLUMDOWN}, | |
034ce90a CC |
313 | {KE_END, 0}, |
314 | }; | |
315 | ||
85091b71 CC |
316 | /* |
317 | * This function evaluates an ACPI method, given an int as parameter, the | |
318 | * method is searched within the scope of the handle, can be NULL. The output | |
319 | * of the method is written is output, which can also be NULL | |
320 | * | |
f8d1c94b | 321 | * returns 0 if write is successful, -1 else. |
85091b71 | 322 | */ |
d8c67323 CC |
323 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
324 | struct acpi_buffer *output) | |
85091b71 | 325 | { |
be966660 CC |
326 | struct acpi_object_list params; /* list of input parameters (an int) */ |
327 | union acpi_object in_obj; /* the only param we use */ | |
85091b71 CC |
328 | acpi_status status; |
329 | ||
f8d1c94b CC |
330 | if (!handle) |
331 | return 0; | |
332 | ||
85091b71 CC |
333 | params.count = 1; |
334 | params.pointer = &in_obj; | |
335 | in_obj.type = ACPI_TYPE_INTEGER; | |
336 | in_obj.integer.value = val; | |
337 | ||
338 | status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); | |
f8d1c94b CC |
339 | if (status == AE_OK) |
340 | return 0; | |
341 | else | |
342 | return -1; | |
85091b71 CC |
343 | } |
344 | ||
d8c67323 CC |
345 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
346 | { | |
347 | return write_acpi_int_ret(handle, method, val, NULL); | |
348 | } | |
349 | ||
8def05fa LB |
350 | static int read_wireless_status(int mask) |
351 | { | |
27663c58 | 352 | unsigned long long status; |
9a816850 | 353 | acpi_status rv = AE_OK; |
4564de17 CC |
354 | |
355 | if (!wireless_status_handle) | |
50a90c4d | 356 | return (asus->status & mask) ? 1 : 0; |
4564de17 | 357 | |
9a816850 CC |
358 | rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); |
359 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 360 | pr_warning("Error reading Wireless status\n"); |
9a816850 CC |
361 | else |
362 | return (status & mask) ? 1 : 0; | |
4564de17 | 363 | |
50a90c4d | 364 | return (asus->status & mask) ? 1 : 0; |
4564de17 CC |
365 | } |
366 | ||
f3985327 CC |
367 | static int read_gps_status(void) |
368 | { | |
27663c58 | 369 | unsigned long long status; |
e539c2f6 CC |
370 | acpi_status rv = AE_OK; |
371 | ||
372 | rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); | |
373 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 374 | pr_warning("Error reading GPS status\n"); |
e539c2f6 | 375 | else |
f3985327 | 376 | return status ? 1 : 0; |
e539c2f6 | 377 | |
50a90c4d | 378 | return (asus->status & GPS_ON) ? 1 : 0; |
e539c2f6 CC |
379 | } |
380 | ||
be18cdab CC |
381 | /* Generic LED functions */ |
382 | static int read_status(int mask) | |
383 | { | |
4564de17 CC |
384 | /* There is a special method for both wireless devices */ |
385 | if (mask == BT_ON || mask == WL_ON) | |
386 | return read_wireless_status(mask); | |
f3985327 CC |
387 | else if (mask == GPS_ON) |
388 | return read_gps_status(); | |
4564de17 | 389 | |
50a90c4d | 390 | return (asus->status & mask) ? 1 : 0; |
be18cdab CC |
391 | } |
392 | ||
935ffeec | 393 | static void write_status(acpi_handle handle, int out, int mask) |
be18cdab | 394 | { |
50a90c4d | 395 | asus->status = (out) ? (asus->status | mask) : (asus->status & ~mask); |
be18cdab | 396 | |
935ffeec CC |
397 | switch (mask) { |
398 | case MLED_ON: | |
e1af14e4 | 399 | out = !(out & 0x1); |
935ffeec | 400 | break; |
fdd8d080 CC |
401 | case GLED_ON: |
402 | out = (out & 0x1) + 1; | |
403 | break; | |
e539c2f6 CC |
404 | case GPS_ON: |
405 | handle = (out) ? gps_on_handle : gps_off_handle; | |
406 | out = 0x02; | |
407 | break; | |
935ffeec CC |
408 | default: |
409 | out &= 0x1; | |
410 | break; | |
411 | } | |
be18cdab | 412 | |
d8c67323 | 413 | if (write_acpi_int(handle, NULL, out)) |
2fcc23da | 414 | pr_warning(" write failed %x\n", mask); |
be18cdab CC |
415 | } |
416 | ||
417 | /* /sys/class/led handlers */ | |
935ffeec | 418 | #define ASUS_LED_HANDLER(object, mask) \ |
be18cdab CC |
419 | static void object##_led_set(struct led_classdev *led_cdev, \ |
420 | enum led_brightness value) \ | |
421 | { \ | |
e3deda9c | 422 | object##_led_wk = (value > 0) ? 1 : 0; \ |
be18cdab CC |
423 | queue_work(led_workqueue, &object##_led_work); \ |
424 | } \ | |
425 | static void object##_led_update(struct work_struct *ignored) \ | |
426 | { \ | |
427 | int value = object##_led_wk; \ | |
935ffeec | 428 | write_status(object##_set_handle, value, (mask)); \ |
abfa57e1 CC |
429 | } \ |
430 | static enum led_brightness object##_led_get( \ | |
431 | struct led_classdev *led_cdev) \ | |
432 | { \ | |
433 | return led_cdev->brightness; \ | |
be18cdab CC |
434 | } |
435 | ||
935ffeec CC |
436 | ASUS_LED_HANDLER(mled, MLED_ON); |
437 | ASUS_LED_HANDLER(pled, PLED_ON); | |
438 | ASUS_LED_HANDLER(rled, RLED_ON); | |
439 | ASUS_LED_HANDLER(tled, TLED_ON); | |
fdd8d080 | 440 | ASUS_LED_HANDLER(gled, GLED_ON); |
be18cdab | 441 | |
b7d3fbc2 CC |
442 | /* |
443 | * Keyboard backlight | |
444 | */ | |
445 | static int get_kled_lvl(void) | |
446 | { | |
447 | unsigned long long kblv; | |
448 | struct acpi_object_list params; | |
449 | union acpi_object in_obj; | |
450 | acpi_status rv; | |
451 | ||
452 | params.count = 1; | |
453 | params.pointer = &in_obj; | |
454 | in_obj.type = ACPI_TYPE_INTEGER; | |
455 | in_obj.integer.value = 2; | |
456 | ||
457 | rv = acpi_evaluate_integer(kled_get_handle, NULL, ¶ms, &kblv); | |
458 | if (ACPI_FAILURE(rv)) { | |
459 | pr_warning("Error reading kled level\n"); | |
460 | return 0; | |
461 | } | |
462 | return kblv; | |
463 | } | |
464 | ||
465 | static int set_kled_lvl(int kblv) | |
466 | { | |
467 | if (kblv > 0) | |
468 | kblv = (1 << 7) | (kblv & 0x7F); | |
469 | else | |
470 | kblv = 0; | |
471 | ||
d8c67323 | 472 | if (write_acpi_int(kled_set_handle, NULL, kblv)) { |
b7d3fbc2 CC |
473 | pr_warning("Keyboard LED display write failed\n"); |
474 | return -EINVAL; | |
475 | } | |
476 | return 0; | |
477 | } | |
478 | ||
479 | static void kled_led_set(struct led_classdev *led_cdev, | |
480 | enum led_brightness value) | |
481 | { | |
482 | kled_led_wk = value; | |
483 | queue_work(led_workqueue, &kled_led_work); | |
484 | } | |
485 | ||
486 | static void kled_led_update(struct work_struct *ignored) | |
487 | { | |
488 | set_kled_lvl(kled_led_wk); | |
489 | } | |
490 | ||
491 | static enum led_brightness kled_led_get(struct led_classdev *led_cdev) | |
492 | { | |
493 | return get_kled_lvl(); | |
494 | } | |
495 | ||
6b7091e7 CC |
496 | static int get_lcd_state(void) |
497 | { | |
498 | return read_status(LCD_ON); | |
499 | } | |
500 | ||
501 | static int set_lcd_state(int value) | |
502 | { | |
503 | int lcd = 0; | |
504 | acpi_status status = 0; | |
505 | ||
506 | lcd = value ? 1 : 0; | |
507 | ||
508 | if (lcd == get_lcd_state()) | |
509 | return 0; | |
510 | ||
8def05fa | 511 | if (lcd_switch_handle) { |
6b7091e7 CC |
512 | status = acpi_evaluate_object(lcd_switch_handle, |
513 | NULL, NULL, NULL); | |
514 | ||
515 | if (ACPI_FAILURE(status)) | |
2fcc23da | 516 | pr_warning("Error switching LCD\n"); |
6b7091e7 CC |
517 | } |
518 | ||
935ffeec | 519 | write_status(NULL, lcd, LCD_ON); |
6b7091e7 CC |
520 | return 0; |
521 | } | |
522 | ||
523 | static void lcd_blank(int blank) | |
524 | { | |
525 | struct backlight_device *bd = asus_backlight_device; | |
526 | ||
8def05fa | 527 | if (bd) { |
599a52d1 | 528 | bd->props.power = blank; |
28ee086d | 529 | backlight_update_status(bd); |
6b7091e7 CC |
530 | } |
531 | } | |
532 | ||
533 | static int read_brightness(struct backlight_device *bd) | |
534 | { | |
27663c58 | 535 | unsigned long long value; |
9a816850 | 536 | acpi_status rv = AE_OK; |
6b7091e7 | 537 | |
9a816850 CC |
538 | rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); |
539 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 540 | pr_warning("Error reading brightness\n"); |
6b7091e7 CC |
541 | |
542 | return value; | |
543 | } | |
544 | ||
545 | static int set_brightness(struct backlight_device *bd, int value) | |
546 | { | |
d8c67323 | 547 | if (write_acpi_int(brightness_set_handle, NULL, value)) { |
2fcc23da | 548 | pr_warning("Error changing brightness\n"); |
e5b50f6a | 549 | return -EIO; |
6b7091e7 | 550 | } |
e5b50f6a | 551 | return 0; |
6b7091e7 CC |
552 | } |
553 | ||
554 | static int update_bl_status(struct backlight_device *bd) | |
555 | { | |
556 | int rv; | |
599a52d1 | 557 | int value = bd->props.brightness; |
6b7091e7 CC |
558 | |
559 | rv = set_brightness(bd, value); | |
8def05fa | 560 | if (rv) |
6b7091e7 CC |
561 | return rv; |
562 | ||
599a52d1 | 563 | value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; |
6b7091e7 CC |
564 | return set_lcd_state(value); |
565 | } | |
566 | ||
85091b71 CC |
567 | /* |
568 | * Platform device handlers | |
569 | */ | |
570 | ||
571 | /* | |
572 | * We write our info in page, we begin at offset off and cannot write more | |
573 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the | |
574 | * number of bytes written in page | |
575 | */ | |
576 | static ssize_t show_infos(struct device *dev, | |
8def05fa | 577 | struct device_attribute *attr, char *page) |
85091b71 CC |
578 | { |
579 | int len = 0; | |
27663c58 | 580 | unsigned long long temp; |
be966660 | 581 | char buf[16]; /* enough for all info */ |
9a816850 CC |
582 | acpi_status rv = AE_OK; |
583 | ||
85091b71 CC |
584 | /* |
585 | * We use the easy way, we don't care of off and count, so we don't set eof | |
586 | * to 1 | |
587 | */ | |
588 | ||
50a90c4d CC |
589 | len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n"); |
590 | len += sprintf(page + len, "Model reference : %s\n", asus->name); | |
85091b71 CC |
591 | /* |
592 | * The SFUN method probably allows the original driver to get the list | |
593 | * of features supported by a given model. For now, 0x0100 or 0x0800 | |
594 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. | |
595 | * The significance of others is yet to be found. | |
596 | */ | |
50a90c4d | 597 | rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp); |
9a816850 | 598 | if (!ACPI_FAILURE(rv)) |
1d4a3800 CC |
599 | len += sprintf(page + len, "SFUN value : %#x\n", |
600 | (uint) temp); | |
601 | /* | |
602 | * The HWRS method return informations about the hardware. | |
603 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
604 | * The significance of others is yet to be found. | |
605 | * If we don't find the method, we assume the device are present. | |
606 | */ | |
50a90c4d | 607 | rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); |
1d4a3800 CC |
608 | if (!ACPI_FAILURE(rv)) |
609 | len += sprintf(page + len, "HRWS value : %#x\n", | |
9a816850 | 610 | (uint) temp); |
85091b71 CC |
611 | /* |
612 | * Another value for userspace: the ASYM method returns 0x02 for | |
613 | * battery low and 0x04 for battery critical, its readings tend to be | |
614 | * more accurate than those provided by _BST. | |
615 | * Note: since not all the laptops provide this method, errors are | |
616 | * silently ignored. | |
617 | */ | |
50a90c4d | 618 | rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp); |
9a816850 | 619 | if (!ACPI_FAILURE(rv)) |
1d4a3800 | 620 | len += sprintf(page + len, "ASYM value : %#x\n", |
9a816850 | 621 | (uint) temp); |
85091b71 CC |
622 | if (asus_info) { |
623 | snprintf(buf, 16, "%d", asus_info->length); | |
624 | len += sprintf(page + len, "DSDT length : %s\n", buf); | |
625 | snprintf(buf, 16, "%d", asus_info->checksum); | |
626 | len += sprintf(page + len, "DSDT checksum : %s\n", buf); | |
627 | snprintf(buf, 16, "%d", asus_info->revision); | |
628 | len += sprintf(page + len, "DSDT revision : %s\n", buf); | |
629 | snprintf(buf, 7, "%s", asus_info->oem_id); | |
630 | len += sprintf(page + len, "OEM id : %s\n", buf); | |
631 | snprintf(buf, 9, "%s", asus_info->oem_table_id); | |
632 | len += sprintf(page + len, "OEM table id : %s\n", buf); | |
633 | snprintf(buf, 16, "%x", asus_info->oem_revision); | |
634 | len += sprintf(page + len, "OEM revision : 0x%s\n", buf); | |
635 | snprintf(buf, 5, "%s", asus_info->asl_compiler_id); | |
636 | len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); | |
637 | snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); | |
638 | len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); | |
639 | } | |
640 | ||
641 | return len; | |
642 | } | |
643 | ||
644 | static int parse_arg(const char *buf, unsigned long count, int *val) | |
645 | { | |
646 | if (!count) | |
647 | return 0; | |
648 | if (count > 31) | |
649 | return -EINVAL; | |
650 | if (sscanf(buf, "%i", val) != 1) | |
651 | return -EINVAL; | |
652 | return count; | |
653 | } | |
654 | ||
4564de17 | 655 | static ssize_t store_status(const char *buf, size_t count, |
935ffeec | 656 | acpi_handle handle, int mask) |
4564de17 CC |
657 | { |
658 | int rv, value; | |
659 | int out = 0; | |
660 | ||
661 | rv = parse_arg(buf, count, &value); | |
662 | if (rv > 0) | |
663 | out = value ? 1 : 0; | |
664 | ||
935ffeec | 665 | write_status(handle, out, mask); |
4564de17 CC |
666 | |
667 | return rv; | |
668 | } | |
669 | ||
722ad971 CC |
670 | /* |
671 | * LEDD display | |
672 | */ | |
673 | static ssize_t show_ledd(struct device *dev, | |
674 | struct device_attribute *attr, char *buf) | |
675 | { | |
50a90c4d | 676 | return sprintf(buf, "0x%08x\n", asus->ledd_status); |
722ad971 CC |
677 | } |
678 | ||
679 | static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, | |
680 | const char *buf, size_t count) | |
681 | { | |
682 | int rv, value; | |
683 | ||
684 | rv = parse_arg(buf, count, &value); | |
685 | if (rv > 0) { | |
d8c67323 | 686 | if (write_acpi_int(ledd_set_handle, NULL, value)) |
2fcc23da | 687 | pr_warning("LED display write failed\n"); |
722ad971 | 688 | else |
50a90c4d | 689 | asus->ledd_status = (u32) value; |
722ad971 CC |
690 | } |
691 | return rv; | |
692 | } | |
693 | ||
4564de17 CC |
694 | /* |
695 | * WLAN | |
696 | */ | |
697 | static ssize_t show_wlan(struct device *dev, | |
698 | struct device_attribute *attr, char *buf) | |
699 | { | |
700 | return sprintf(buf, "%d\n", read_status(WL_ON)); | |
701 | } | |
702 | ||
703 | static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, | |
704 | const char *buf, size_t count) | |
705 | { | |
935ffeec | 706 | return store_status(buf, count, wl_switch_handle, WL_ON); |
4564de17 CC |
707 | } |
708 | ||
709 | /* | |
710 | * Bluetooth | |
711 | */ | |
712 | static ssize_t show_bluetooth(struct device *dev, | |
713 | struct device_attribute *attr, char *buf) | |
714 | { | |
715 | return sprintf(buf, "%d\n", read_status(BT_ON)); | |
716 | } | |
717 | ||
8def05fa LB |
718 | static ssize_t store_bluetooth(struct device *dev, |
719 | struct device_attribute *attr, const char *buf, | |
720 | size_t count) | |
4564de17 | 721 | { |
935ffeec | 722 | return store_status(buf, count, bt_switch_handle, BT_ON); |
4564de17 CC |
723 | } |
724 | ||
78127b4a CC |
725 | /* |
726 | * Display | |
727 | */ | |
728 | static void set_display(int value) | |
729 | { | |
730 | /* no sanity check needed for now */ | |
d8c67323 | 731 | if (write_acpi_int(display_set_handle, NULL, value)) |
2fcc23da | 732 | pr_warning("Error setting display\n"); |
78127b4a CC |
733 | return; |
734 | } | |
735 | ||
736 | static int read_display(void) | |
737 | { | |
27663c58 | 738 | unsigned long long value = 0; |
9a816850 | 739 | acpi_status rv = AE_OK; |
78127b4a | 740 | |
be966660 CC |
741 | /* |
742 | * In most of the case, we know how to set the display, but sometime | |
743 | * we can't read it | |
744 | */ | |
8def05fa | 745 | if (display_get_handle) { |
9a816850 CC |
746 | rv = acpi_evaluate_integer(display_get_handle, NULL, |
747 | NULL, &value); | |
748 | if (ACPI_FAILURE(rv)) | |
2fcc23da | 749 | pr_warning("Error reading display status\n"); |
78127b4a CC |
750 | } |
751 | ||
752 | value &= 0x0F; /* needed for some models, shouldn't hurt others */ | |
753 | ||
754 | return value; | |
755 | } | |
8def05fa | 756 | |
78127b4a CC |
757 | /* |
758 | * Now, *this* one could be more user-friendly, but so far, no-one has | |
759 | * complained. The significance of bits is the same as in store_disp() | |
760 | */ | |
761 | static ssize_t show_disp(struct device *dev, | |
762 | struct device_attribute *attr, char *buf) | |
763 | { | |
764 | return sprintf(buf, "%d\n", read_display()); | |
765 | } | |
766 | ||
767 | /* | |
768 | * Experimental support for display switching. As of now: 1 should activate | |
769 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. | |
770 | * Any combination (bitwise) of these will suffice. I never actually tested 4 | |
771 | * displays hooked up simultaneously, so be warned. See the acpi4asus README | |
772 | * for more info. | |
773 | */ | |
774 | static ssize_t store_disp(struct device *dev, struct device_attribute *attr, | |
775 | const char *buf, size_t count) | |
776 | { | |
777 | int rv, value; | |
778 | ||
779 | rv = parse_arg(buf, count, &value); | |
780 | if (rv > 0) | |
781 | set_display(value); | |
782 | return rv; | |
783 | } | |
784 | ||
8b857353 CC |
785 | /* |
786 | * Light Sens | |
787 | */ | |
788 | static void set_light_sens_switch(int value) | |
789 | { | |
d8c67323 | 790 | if (write_acpi_int(ls_switch_handle, NULL, value)) |
2fcc23da | 791 | pr_warning("Error setting light sensor switch\n"); |
50a90c4d | 792 | asus->light_switch = value; |
8b857353 CC |
793 | } |
794 | ||
795 | static ssize_t show_lssw(struct device *dev, | |
796 | struct device_attribute *attr, char *buf) | |
797 | { | |
50a90c4d | 798 | return sprintf(buf, "%d\n", asus->light_switch); |
8b857353 CC |
799 | } |
800 | ||
801 | static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, | |
802 | const char *buf, size_t count) | |
803 | { | |
804 | int rv, value; | |
805 | ||
806 | rv = parse_arg(buf, count, &value); | |
807 | if (rv > 0) | |
808 | set_light_sens_switch(value ? 1 : 0); | |
809 | ||
810 | return rv; | |
811 | } | |
812 | ||
813 | static void set_light_sens_level(int value) | |
814 | { | |
d8c67323 | 815 | if (write_acpi_int(ls_level_handle, NULL, value)) |
2fcc23da | 816 | pr_warning("Error setting light sensor level\n"); |
50a90c4d | 817 | asus->light_level = value; |
8b857353 CC |
818 | } |
819 | ||
820 | static ssize_t show_lslvl(struct device *dev, | |
821 | struct device_attribute *attr, char *buf) | |
822 | { | |
50a90c4d | 823 | return sprintf(buf, "%d\n", asus->light_level); |
8b857353 CC |
824 | } |
825 | ||
826 | static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, | |
827 | const char *buf, size_t count) | |
828 | { | |
829 | int rv, value; | |
830 | ||
831 | rv = parse_arg(buf, count, &value); | |
832 | if (rv > 0) { | |
833 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; | |
834 | /* 0 <= value <= 15 */ | |
835 | set_light_sens_level(value); | |
836 | } | |
837 | ||
838 | return rv; | |
839 | } | |
840 | ||
e539c2f6 CC |
841 | /* |
842 | * GPS | |
843 | */ | |
844 | static ssize_t show_gps(struct device *dev, | |
845 | struct device_attribute *attr, char *buf) | |
846 | { | |
847 | return sprintf(buf, "%d\n", read_status(GPS_ON)); | |
848 | } | |
849 | ||
850 | static ssize_t store_gps(struct device *dev, struct device_attribute *attr, | |
851 | const char *buf, size_t count) | |
852 | { | |
f3985327 | 853 | return store_status(buf, count, NULL, GPS_ON); |
e539c2f6 CC |
854 | } |
855 | ||
034ce90a CC |
856 | /* |
857 | * Hotkey functions | |
858 | */ | |
859 | static struct key_entry *asus_get_entry_by_scancode(int code) | |
860 | { | |
861 | struct key_entry *key; | |
862 | ||
863 | for (key = asus_keymap; key->type != KE_END; key++) | |
864 | if (code == key->code) | |
865 | return key; | |
866 | ||
867 | return NULL; | |
868 | } | |
869 | ||
870 | static struct key_entry *asus_get_entry_by_keycode(int code) | |
871 | { | |
872 | struct key_entry *key; | |
873 | ||
874 | for (key = asus_keymap; key->type != KE_END; key++) | |
875 | if (code == key->keycode && key->type == KE_KEY) | |
876 | return key; | |
877 | ||
878 | return NULL; | |
879 | } | |
880 | ||
881 | static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) | |
882 | { | |
883 | struct key_entry *key = asus_get_entry_by_scancode(scancode); | |
884 | ||
885 | if (key && key->type == KE_KEY) { | |
886 | *keycode = key->keycode; | |
887 | return 0; | |
888 | } | |
889 | ||
890 | return -EINVAL; | |
891 | } | |
892 | ||
893 | static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) | |
894 | { | |
895 | struct key_entry *key; | |
896 | int old_keycode; | |
897 | ||
898 | if (keycode < 0 || keycode > KEY_MAX) | |
899 | return -EINVAL; | |
900 | ||
901 | key = asus_get_entry_by_scancode(scancode); | |
902 | if (key && key->type == KE_KEY) { | |
903 | old_keycode = key->keycode; | |
904 | key->keycode = keycode; | |
905 | set_bit(keycode, dev->keybit); | |
906 | if (!asus_get_entry_by_keycode(old_keycode)) | |
907 | clear_bit(old_keycode, dev->keybit); | |
908 | return 0; | |
909 | } | |
910 | ||
911 | return -EINVAL; | |
912 | } | |
913 | ||
600ad520 | 914 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
85091b71 | 915 | { |
034ce90a | 916 | static struct key_entry *key; |
6050c8dd | 917 | u16 count; |
034ce90a | 918 | |
6b7091e7 CC |
919 | /* |
920 | * We need to tell the backlight device when the backlight power is | |
921 | * switched | |
922 | */ | |
923 | if (event == ATKD_LCD_ON) { | |
935ffeec | 924 | write_status(NULL, 1, LCD_ON); |
6b7091e7 | 925 | lcd_blank(FB_BLANK_UNBLANK); |
8def05fa | 926 | } else if (event == ATKD_LCD_OFF) { |
935ffeec | 927 | write_status(NULL, 0, LCD_ON); |
6b7091e7 CC |
928 | lcd_blank(FB_BLANK_POWERDOWN); |
929 | } | |
930 | ||
619d8b11 | 931 | /* TODO Find a better way to handle events count. */ |
50a90c4d CC |
932 | count = asus->event_count[event % 128]++; |
933 | acpi_bus_generate_proc_event(asus->device, event, count); | |
934 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, | |
935 | dev_name(&asus->device->dev), event, | |
6050c8dd | 936 | count); |
85091b71 | 937 | |
50a90c4d | 938 | if (asus->inputdev) { |
034ce90a CC |
939 | key = asus_get_entry_by_scancode(event); |
940 | if (!key) | |
941 | return ; | |
942 | ||
943 | switch (key->type) { | |
944 | case KE_KEY: | |
50a90c4d CC |
945 | input_report_key(asus->inputdev, key->keycode, 1); |
946 | input_sync(asus->inputdev); | |
947 | input_report_key(asus->inputdev, key->keycode, 0); | |
948 | input_sync(asus->inputdev); | |
034ce90a CC |
949 | break; |
950 | } | |
951 | } | |
85091b71 CC |
952 | } |
953 | ||
954 | #define ASUS_CREATE_DEVICE_ATTR(_name) \ | |
955 | struct device_attribute dev_attr_##_name = { \ | |
956 | .attr = { \ | |
957 | .name = __stringify(_name), \ | |
7b595756 | 958 | .mode = 0 }, \ |
85091b71 CC |
959 | .show = NULL, \ |
960 | .store = NULL, \ | |
961 | } | |
962 | ||
963 | #define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ | |
964 | do { \ | |
965 | dev_attr_##_name.attr.mode = _mode; \ | |
966 | dev_attr_##_name.show = _show; \ | |
967 | dev_attr_##_name.store = _store; \ | |
968 | } while(0) | |
969 | ||
970 | static ASUS_CREATE_DEVICE_ATTR(infos); | |
4564de17 CC |
971 | static ASUS_CREATE_DEVICE_ATTR(wlan); |
972 | static ASUS_CREATE_DEVICE_ATTR(bluetooth); | |
78127b4a | 973 | static ASUS_CREATE_DEVICE_ATTR(display); |
722ad971 | 974 | static ASUS_CREATE_DEVICE_ATTR(ledd); |
8b857353 CC |
975 | static ASUS_CREATE_DEVICE_ATTR(ls_switch); |
976 | static ASUS_CREATE_DEVICE_ATTR(ls_level); | |
e539c2f6 | 977 | static ASUS_CREATE_DEVICE_ATTR(gps); |
85091b71 CC |
978 | |
979 | static struct attribute *asuspf_attributes[] = { | |
8def05fa LB |
980 | &dev_attr_infos.attr, |
981 | &dev_attr_wlan.attr, | |
982 | &dev_attr_bluetooth.attr, | |
983 | &dev_attr_display.attr, | |
984 | &dev_attr_ledd.attr, | |
985 | &dev_attr_ls_switch.attr, | |
986 | &dev_attr_ls_level.attr, | |
e539c2f6 | 987 | &dev_attr_gps.attr, |
8def05fa | 988 | NULL |
85091b71 CC |
989 | }; |
990 | ||
600ad520 | 991 | static struct attribute_group platform_attribute_group = { |
8def05fa | 992 | .attrs = asuspf_attributes |
85091b71 CC |
993 | }; |
994 | ||
600ad520 CC |
995 | static int asus_platform_init(void) |
996 | { | |
997 | int result; | |
998 | ||
50a90c4d CC |
999 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1); |
1000 | if (!asus->platform_device) | |
600ad520 CC |
1001 | return -ENOMEM; |
1002 | ||
50a90c4d | 1003 | result = platform_device_add(asus->platform_device); |
600ad520 CC |
1004 | if (result) |
1005 | goto fail_platform_device; | |
1006 | ||
50a90c4d | 1007 | result = sysfs_create_group(&asus->platform_device->dev.kobj, |
600ad520 CC |
1008 | &platform_attribute_group); |
1009 | if (result) | |
1010 | goto fail_sysfs; | |
1011 | return 0; | |
1012 | ||
1013 | fail_sysfs: | |
50a90c4d | 1014 | platform_device_del(asus->platform_device); |
600ad520 | 1015 | fail_platform_device: |
50a90c4d | 1016 | platform_device_put(asus->platform_device); |
600ad520 CC |
1017 | return result; |
1018 | } | |
1019 | ||
1020 | static void asus_platform_exit(void) | |
1021 | { | |
50a90c4d | 1022 | sysfs_remove_group(&asus->platform_device->dev.kobj, |
600ad520 | 1023 | &platform_attribute_group); |
50a90c4d | 1024 | platform_device_unregister(asus->platform_device); |
600ad520 CC |
1025 | } |
1026 | ||
1027 | static struct platform_driver platform_driver = { | |
8def05fa | 1028 | .driver = { |
50a90c4d | 1029 | .name = ASUS_LAPTOP_FILE, |
8def05fa LB |
1030 | .owner = THIS_MODULE, |
1031 | } | |
85091b71 CC |
1032 | }; |
1033 | ||
50a90c4d | 1034 | static void asus_laptop_add_fs(void) |
85091b71 CC |
1035 | { |
1036 | ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); | |
4564de17 CC |
1037 | |
1038 | if (wl_switch_handle) | |
1039 | ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); | |
1040 | ||
1041 | if (bt_switch_handle) | |
1042 | ASUS_SET_DEVICE_ATTR(bluetooth, 0644, | |
1043 | show_bluetooth, store_bluetooth); | |
78127b4a CC |
1044 | |
1045 | if (display_set_handle && display_get_handle) | |
1046 | ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); | |
8def05fa | 1047 | else if (display_set_handle) |
78127b4a CC |
1048 | ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); |
1049 | ||
722ad971 CC |
1050 | if (ledd_set_handle) |
1051 | ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); | |
1052 | ||
8b857353 CC |
1053 | if (ls_switch_handle && ls_level_handle) { |
1054 | ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); | |
1055 | ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); | |
1056 | } | |
e539c2f6 | 1057 | |
f3985327 | 1058 | if (gps_status_handle && gps_on_handle && gps_off_handle) |
e539c2f6 | 1059 | ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); |
85091b71 CC |
1060 | } |
1061 | ||
8def05fa | 1062 | static int asus_handle_init(char *name, acpi_handle * handle, |
85091b71 CC |
1063 | char **paths, int num_paths) |
1064 | { | |
1065 | int i; | |
1066 | acpi_status status; | |
1067 | ||
1068 | for (i = 0; i < num_paths; i++) { | |
1069 | status = acpi_get_handle(NULL, paths[i], handle); | |
1070 | if (ACPI_SUCCESS(status)) | |
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | *handle = NULL; | |
1075 | return -ENODEV; | |
1076 | } | |
1077 | ||
1078 | #define ASUS_HANDLE_INIT(object) \ | |
1079 | asus_handle_init(#object, &object##_handle, object##_paths, \ | |
1080 | ARRAY_SIZE(object##_paths)) | |
1081 | ||
85091b71 | 1082 | /* |
50a90c4d CC |
1083 | * This function is used to initialize the context with right values. In this |
1084 | * method, we can make all the detection we want, and modify the asus_laptop | |
1085 | * struct | |
85091b71 | 1086 | */ |
50a90c4d | 1087 | static int asus_laptop_get_info(void) |
85091b71 CC |
1088 | { |
1089 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | |
85091b71 | 1090 | union acpi_object *model = NULL; |
27663c58 | 1091 | unsigned long long bsts_result, hwrs_result; |
85091b71 CC |
1092 | char *string = NULL; |
1093 | acpi_status status; | |
1094 | ||
1095 | /* | |
1096 | * Get DSDT headers early enough to allow for differentiating between | |
1097 | * models, but late enough to allow acpi_bus_register_driver() to fail | |
1098 | * before doing anything ACPI-specific. Should we encounter a machine, | |
1099 | * which needs special handling (i.e. its hotkey device has a different | |
1100 | * HID), this bit will be moved. A global variable asus_info contains | |
1101 | * the DSDT header. | |
1102 | */ | |
894d79be | 1103 | status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); |
85091b71 | 1104 | if (ACPI_FAILURE(status)) |
2fcc23da | 1105 | pr_warning("Couldn't get the DSDT table header\n"); |
85091b71 CC |
1106 | |
1107 | /* We have to write 0 on init this far for all ASUS models */ | |
50a90c4d | 1108 | if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) { |
2fcc23da | 1109 | pr_err("Hotkey initialization failed\n"); |
85091b71 CC |
1110 | return -ENODEV; |
1111 | } | |
1112 | ||
1113 | /* This needs to be called for some laptops to init properly */ | |
9a816850 | 1114 | status = |
50a90c4d | 1115 | acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result); |
9a816850 | 1116 | if (ACPI_FAILURE(status)) |
2fcc23da | 1117 | pr_warning("Error calling BSTS\n"); |
85091b71 | 1118 | else if (bsts_result) |
2fcc23da | 1119 | pr_notice("BSTS called, 0x%02x returned\n", |
9a816850 | 1120 | (uint) bsts_result); |
85091b71 | 1121 | |
185e5af9 | 1122 | /* This too ... */ |
50a90c4d | 1123 | write_acpi_int(asus->handle, "CWAP", wapf); |
185e5af9 | 1124 | |
85091b71 CC |
1125 | /* |
1126 | * Try to match the object returned by INIT to the specific model. | |
1127 | * Handle every possible object (or the lack of thereof) the DSDT | |
1128 | * writers might throw at us. When in trouble, we pass NULL to | |
1129 | * asus_model_match() and try something completely different. | |
1130 | */ | |
1131 | if (buffer.pointer) { | |
1132 | model = buffer.pointer; | |
1133 | switch (model->type) { | |
1134 | case ACPI_TYPE_STRING: | |
1135 | string = model->string.pointer; | |
1136 | break; | |
1137 | case ACPI_TYPE_BUFFER: | |
1138 | string = model->buffer.pointer; | |
1139 | break; | |
1140 | default: | |
1141 | string = ""; | |
1142 | break; | |
1143 | } | |
1144 | } | |
50a90c4d CC |
1145 | asus->name = kstrdup(string, GFP_KERNEL); |
1146 | if (!asus->name) | |
85091b71 CC |
1147 | return -ENOMEM; |
1148 | ||
8def05fa | 1149 | if (*string) |
2fcc23da | 1150 | pr_notice(" %s model detected\n", string); |
85091b71 | 1151 | |
be18cdab CC |
1152 | ASUS_HANDLE_INIT(mled_set); |
1153 | ASUS_HANDLE_INIT(tled_set); | |
1154 | ASUS_HANDLE_INIT(rled_set); | |
1155 | ASUS_HANDLE_INIT(pled_set); | |
fdd8d080 | 1156 | ASUS_HANDLE_INIT(gled_set); |
be18cdab | 1157 | |
722ad971 CC |
1158 | ASUS_HANDLE_INIT(ledd_set); |
1159 | ||
b7d3fbc2 CC |
1160 | ASUS_HANDLE_INIT(kled_set); |
1161 | ASUS_HANDLE_INIT(kled_get); | |
1162 | ||
4564de17 CC |
1163 | /* |
1164 | * The HWRS method return informations about the hardware. | |
1165 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. | |
1166 | * The significance of others is yet to be found. | |
1167 | * If we don't find the method, we assume the device are present. | |
1168 | */ | |
9a816850 | 1169 | status = |
50a90c4d | 1170 | acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); |
9a816850 | 1171 | if (ACPI_FAILURE(status)) |
4564de17 CC |
1172 | hwrs_result = WL_HWRS | BT_HWRS; |
1173 | ||
8def05fa | 1174 | if (hwrs_result & WL_HWRS) |
4564de17 | 1175 | ASUS_HANDLE_INIT(wl_switch); |
8def05fa | 1176 | if (hwrs_result & BT_HWRS) |
4564de17 CC |
1177 | ASUS_HANDLE_INIT(bt_switch); |
1178 | ||
1179 | ASUS_HANDLE_INIT(wireless_status); | |
1180 | ||
6b7091e7 CC |
1181 | ASUS_HANDLE_INIT(brightness_set); |
1182 | ASUS_HANDLE_INIT(brightness_get); | |
1183 | ||
1184 | ASUS_HANDLE_INIT(lcd_switch); | |
1185 | ||
78127b4a CC |
1186 | ASUS_HANDLE_INIT(display_set); |
1187 | ASUS_HANDLE_INIT(display_get); | |
1188 | ||
be966660 CC |
1189 | /* |
1190 | * There is a lot of models with "ALSL", but a few get | |
1191 | * a real light sens, so we need to check it. | |
1192 | */ | |
832d9950 | 1193 | if (!ASUS_HANDLE_INIT(ls_switch)) |
8b857353 CC |
1194 | ASUS_HANDLE_INIT(ls_level); |
1195 | ||
e539c2f6 CC |
1196 | ASUS_HANDLE_INIT(gps_on); |
1197 | ASUS_HANDLE_INIT(gps_off); | |
1198 | ASUS_HANDLE_INIT(gps_status); | |
1199 | ||
85091b71 CC |
1200 | kfree(model); |
1201 | ||
1202 | return AE_OK; | |
1203 | } | |
1204 | ||
600ad520 | 1205 | static int asus_input_init(struct device *dev) |
034ce90a CC |
1206 | { |
1207 | const struct key_entry *key; | |
1208 | int result; | |
1209 | ||
50a90c4d CC |
1210 | asus->inputdev = input_allocate_device(); |
1211 | if (!asus->inputdev) { | |
2fcc23da | 1212 | pr_info("Unable to allocate input device\n"); |
034ce90a CC |
1213 | return 0; |
1214 | } | |
50a90c4d CC |
1215 | asus->inputdev->name = "Asus Laptop extra buttons"; |
1216 | asus->inputdev->dev.parent = dev; | |
1217 | asus->inputdev->phys = ASUS_LAPTOP_FILE "/input0"; | |
1218 | asus->inputdev->id.bustype = BUS_HOST; | |
1219 | asus->inputdev->getkeycode = asus_getkeycode; | |
1220 | asus->inputdev->setkeycode = asus_setkeycode; | |
034ce90a CC |
1221 | |
1222 | for (key = asus_keymap; key->type != KE_END; key++) { | |
1223 | switch (key->type) { | |
1224 | case KE_KEY: | |
50a90c4d CC |
1225 | set_bit(EV_KEY, asus->inputdev->evbit); |
1226 | set_bit(key->keycode, asus->inputdev->keybit); | |
034ce90a CC |
1227 | break; |
1228 | } | |
1229 | } | |
50a90c4d | 1230 | result = input_register_device(asus->inputdev); |
034ce90a | 1231 | if (result) { |
2fcc23da | 1232 | pr_info("Unable to register input device\n"); |
50a90c4d | 1233 | input_free_device(asus->inputdev); |
034ce90a CC |
1234 | } |
1235 | return result; | |
1236 | } | |
1237 | ||
6b7091e7 CC |
1238 | static void asus_backlight_exit(void) |
1239 | { | |
8def05fa | 1240 | if (asus_backlight_device) |
6b7091e7 CC |
1241 | backlight_device_unregister(asus_backlight_device); |
1242 | } | |
1243 | ||
be18cdab | 1244 | #define ASUS_LED_UNREGISTER(object) \ |
e1996a69 GC |
1245 | if (object##_led.dev) \ |
1246 | led_classdev_unregister(&object##_led) | |
be18cdab CC |
1247 | |
1248 | static void asus_led_exit(void) | |
1249 | { | |
3b0d7117 | 1250 | destroy_workqueue(led_workqueue); |
be18cdab CC |
1251 | ASUS_LED_UNREGISTER(mled); |
1252 | ASUS_LED_UNREGISTER(tled); | |
1253 | ASUS_LED_UNREGISTER(pled); | |
1254 | ASUS_LED_UNREGISTER(rled); | |
fdd8d080 | 1255 | ASUS_LED_UNREGISTER(gled); |
b7d3fbc2 | 1256 | ASUS_LED_UNREGISTER(kled); |
be18cdab CC |
1257 | } |
1258 | ||
034ce90a CC |
1259 | static void asus_input_exit(void) |
1260 | { | |
50a90c4d CC |
1261 | if (asus->inputdev) |
1262 | input_unregister_device(asus->inputdev); | |
034ce90a CC |
1263 | } |
1264 | ||
8def05fa | 1265 | static int asus_backlight_init(struct device *dev) |
6b7091e7 CC |
1266 | { |
1267 | struct backlight_device *bd; | |
1268 | ||
8def05fa | 1269 | if (brightness_set_handle && lcd_switch_handle) { |
50a90c4d | 1270 | bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, |
599a52d1 | 1271 | NULL, &asusbl_ops); |
8def05fa | 1272 | if (IS_ERR(bd)) { |
2fcc23da | 1273 | pr_err("Could not register asus backlight device\n"); |
6b7091e7 CC |
1274 | asus_backlight_device = NULL; |
1275 | return PTR_ERR(bd); | |
1276 | } | |
1277 | ||
1278 | asus_backlight_device = bd; | |
1279 | ||
599a52d1 RP |
1280 | bd->props.max_brightness = 15; |
1281 | bd->props.brightness = read_brightness(NULL); | |
1282 | bd->props.power = FB_BLANK_UNBLANK; | |
28ee086d | 1283 | backlight_update_status(bd); |
6b7091e7 CC |
1284 | } |
1285 | return 0; | |
1286 | } | |
1287 | ||
be18cdab | 1288 | static int asus_led_register(acpi_handle handle, |
8def05fa | 1289 | struct led_classdev *ldev, struct device *dev) |
be18cdab | 1290 | { |
8def05fa | 1291 | if (!handle) |
be18cdab CC |
1292 | return 0; |
1293 | ||
1294 | return led_classdev_register(dev, ldev); | |
1295 | } | |
8def05fa | 1296 | |
be18cdab CC |
1297 | #define ASUS_LED_REGISTER(object, device) \ |
1298 | asus_led_register(object##_set_handle, &object##_led, device) | |
1299 | ||
8def05fa | 1300 | static int asus_led_init(struct device *dev) |
be18cdab CC |
1301 | { |
1302 | int rv; | |
1303 | ||
1304 | rv = ASUS_LED_REGISTER(mled, dev); | |
8def05fa | 1305 | if (rv) |
3b0d7117 | 1306 | goto out; |
be18cdab CC |
1307 | |
1308 | rv = ASUS_LED_REGISTER(tled, dev); | |
8def05fa | 1309 | if (rv) |
3b0d7117 | 1310 | goto out1; |
be18cdab CC |
1311 | |
1312 | rv = ASUS_LED_REGISTER(rled, dev); | |
8def05fa | 1313 | if (rv) |
3b0d7117 | 1314 | goto out2; |
be18cdab CC |
1315 | |
1316 | rv = ASUS_LED_REGISTER(pled, dev); | |
8def05fa | 1317 | if (rv) |
3b0d7117 | 1318 | goto out3; |
be18cdab | 1319 | |
fdd8d080 CC |
1320 | rv = ASUS_LED_REGISTER(gled, dev); |
1321 | if (rv) | |
3b0d7117 | 1322 | goto out4; |
fdd8d080 | 1323 | |
b7d3fbc2 CC |
1324 | if (kled_set_handle && kled_get_handle) |
1325 | rv = ASUS_LED_REGISTER(kled, dev); | |
1326 | if (rv) | |
1327 | goto out5; | |
1328 | ||
be18cdab | 1329 | led_workqueue = create_singlethread_workqueue("led_workqueue"); |
8def05fa | 1330 | if (!led_workqueue) |
b7d3fbc2 | 1331 | goto out6; |
be18cdab CC |
1332 | |
1333 | return 0; | |
b7d3fbc2 | 1334 | out6: |
3b0d7117 | 1335 | rv = -ENOMEM; |
b7d3fbc2 CC |
1336 | ASUS_LED_UNREGISTER(kled); |
1337 | out5: | |
3b0d7117 AV |
1338 | ASUS_LED_UNREGISTER(gled); |
1339 | out4: | |
1340 | ASUS_LED_UNREGISTER(pled); | |
1341 | out3: | |
1342 | ASUS_LED_UNREGISTER(rled); | |
1343 | out2: | |
1344 | ASUS_LED_UNREGISTER(tled); | |
1345 | out1: | |
1346 | ASUS_LED_UNREGISTER(mled); | |
1347 | out: | |
1348 | return rv; | |
be18cdab CC |
1349 | } |
1350 | ||
600ad520 CC |
1351 | |
1352 | static bool asus_device_present; | |
1353 | ||
1354 | static int __devinit asus_acpi_init(struct acpi_device *device) | |
85091b71 | 1355 | { |
600ad520 | 1356 | int result = 0; |
85091b71 | 1357 | |
50a90c4d | 1358 | result = acpi_bus_get_status(asus->device); |
600ad520 | 1359 | if (result) |
85091b71 | 1360 | return result; |
50a90c4d | 1361 | if (!asus->device->status.present) { |
600ad520 | 1362 | pr_err("Hotkey device not present, aborting\n"); |
85091b71 CC |
1363 | return -ENODEV; |
1364 | } | |
1365 | ||
50a90c4d | 1366 | result = asus_laptop_get_info(); |
034ce90a | 1367 | if (result) |
600ad520 | 1368 | return result; |
034ce90a | 1369 | |
50a90c4d | 1370 | asus_laptop_add_fs(); |
85091b71 | 1371 | |
600ad520 CC |
1372 | /* WLED and BLED are on by default */ |
1373 | write_status(bt_switch_handle, 1, BT_ON); | |
1374 | write_status(wl_switch_handle, 1, WL_ON); | |
85091b71 | 1375 | |
600ad520 CC |
1376 | /* If the h/w switch is off, we need to check the real status */ |
1377 | write_status(NULL, read_status(BT_ON), BT_ON); | |
1378 | write_status(NULL, read_status(WL_ON), WL_ON); | |
1379 | ||
1380 | /* LCD Backlight is on by default */ | |
1381 | write_status(NULL, 1, LCD_ON); | |
85091b71 | 1382 | |
600ad520 CC |
1383 | /* Keyboard Backlight is on by default */ |
1384 | if (kled_set_handle) | |
1385 | set_kled_lvl(1); | |
1386 | ||
1387 | /* LED display is off by default */ | |
50a90c4d | 1388 | asus->ledd_status = 0xFFF; |
600ad520 CC |
1389 | |
1390 | /* Set initial values of light sensor and level */ | |
1391 | hotk->light_switch = 0; /* Default to light sensor disabled */ | |
1392 | hotk->light_level = 5; /* level 5 for sensor sensitivity */ | |
1393 | ||
1394 | if (ls_switch_handle) | |
50a90c4d | 1395 | set_light_sens_switch(asus->light_switch); |
600ad520 CC |
1396 | |
1397 | if (ls_level_handle) | |
50a90c4d | 1398 | set_light_sens_level(asus->light_level); |
600ad520 CC |
1399 | |
1400 | /* GPS is on by default */ | |
1401 | write_status(NULL, 1, GPS_ON); | |
1402 | return result; | |
1403 | } | |
1404 | ||
1405 | static int __devinit asus_acpi_add(struct acpi_device *device) | |
1406 | { | |
1407 | int result; | |
1408 | ||
1409 | pr_notice("Asus Laptop Support version %s\n", | |
1410 | ASUS_LAPTOP_VERSION); | |
50a90c4d CC |
1411 | asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL); |
1412 | if (!asus) | |
600ad520 | 1413 | return -ENOMEM; |
50a90c4d CC |
1414 | asus->handle = device->handle; |
1415 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); | |
1416 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); | |
1417 | device->driver_data = asus; | |
1418 | asus->device = device; | |
600ad520 CC |
1419 | |
1420 | result = asus_acpi_init(device); | |
8def05fa | 1421 | if (result) |
600ad520 | 1422 | goto fail_platform; |
85091b71 | 1423 | |
600ad520 CC |
1424 | /* |
1425 | * Register the platform device first. It is used as a parent for the | |
1426 | * sub-devices below. | |
1427 | */ | |
1428 | result = asus_platform_init(); | |
116bf2e0 | 1429 | if (result) |
600ad520 | 1430 | goto fail_platform; |
116bf2e0 CC |
1431 | |
1432 | if (!acpi_video_backlight_support()) { | |
50a90c4d | 1433 | result = asus_backlight_init(&asus->platform_device->dev); |
116bf2e0 CC |
1434 | if (result) |
1435 | goto fail_backlight; | |
1436 | } else | |
600ad520 | 1437 | pr_info("Backlight controlled by ACPI video driver\n"); |
116bf2e0 | 1438 | |
50a90c4d | 1439 | result = asus_input_init(&asus->platform_device->dev); |
600ad520 CC |
1440 | if (result) |
1441 | goto fail_input; | |
1442 | ||
50a90c4d | 1443 | result = asus_led_init(&asus->platform_device->dev); |
600ad520 CC |
1444 | if (result) |
1445 | goto fail_led; | |
1446 | ||
1447 | asus_device_present = true; | |
8def05fa | 1448 | return 0; |
85091b71 | 1449 | |
600ad520 CC |
1450 | fail_led: |
1451 | asus_input_exit(); | |
1452 | fail_input: | |
1453 | asus_backlight_exit(); | |
116bf2e0 | 1454 | fail_backlight: |
600ad520 CC |
1455 | asus_platform_exit(); |
1456 | fail_platform: | |
50a90c4d CC |
1457 | kfree(asus->name); |
1458 | kfree(asus); | |
116bf2e0 | 1459 | |
600ad520 CC |
1460 | return result; |
1461 | } | |
116bf2e0 | 1462 | |
600ad520 CC |
1463 | static int asus_acpi_remove(struct acpi_device *device, int type) |
1464 | { | |
1465 | asus_backlight_exit(); | |
1466 | asus_led_exit(); | |
1467 | asus_input_exit(); | |
1468 | asus_platform_exit(); | |
1469 | ||
50a90c4d CC |
1470 | kfree(asus->name); |
1471 | kfree(asus); | |
600ad520 CC |
1472 | return 0; |
1473 | } | |
1474 | ||
1475 | static const struct acpi_device_id asus_device_ids[] = { | |
1476 | {"ATK0100", 0}, | |
1477 | {"ATK0101", 0}, | |
1478 | {"", 0}, | |
1479 | }; | |
1480 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); | |
85091b71 | 1481 | |
600ad520 | 1482 | static struct acpi_driver asus_acpi_driver = { |
50a90c4d CC |
1483 | .name = ASUS_LAPTOP_NAME, |
1484 | .class = ASUS_LAPTOP_CLASS, | |
600ad520 CC |
1485 | .owner = THIS_MODULE, |
1486 | .ids = asus_device_ids, | |
1487 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1488 | .ops = { | |
1489 | .add = asus_acpi_add, | |
1490 | .remove = asus_acpi_remove, | |
1491 | .notify = asus_acpi_notify, | |
1492 | }, | |
1493 | }; | |
85091b71 | 1494 | |
600ad520 CC |
1495 | static int __init asus_laptop_init(void) |
1496 | { | |
1497 | int result; | |
85091b71 | 1498 | |
600ad520 CC |
1499 | result = platform_driver_register(&platform_driver); |
1500 | if (result < 0) | |
1501 | return result; | |
034ce90a | 1502 | |
600ad520 CC |
1503 | result = acpi_bus_register_driver(&asus_acpi_driver); |
1504 | if (result < 0) | |
1505 | goto fail_acpi_driver; | |
1506 | if (!asus_device_present) { | |
1507 | result = -ENODEV; | |
1508 | goto fail_no_device; | |
1509 | } | |
1510 | return 0; | |
85091b71 | 1511 | |
600ad520 CC |
1512 | fail_no_device: |
1513 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1514 | fail_acpi_driver: | |
1515 | platform_driver_unregister(&platform_driver); | |
85091b71 CC |
1516 | return result; |
1517 | } | |
1518 | ||
600ad520 CC |
1519 | static void __exit asus_laptop_exit(void) |
1520 | { | |
1521 | acpi_bus_unregister_driver(&asus_acpi_driver); | |
1522 | platform_driver_unregister(&platform_driver); | |
1523 | } | |
1524 | ||
85091b71 CC |
1525 | module_init(asus_laptop_init); |
1526 | module_exit(asus_laptop_exit); |