1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * asus-laptop.c - Asus Laptop Support |
4 | * |
5 | * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor |
6 | * Copyright (C) 2006-2007 Corentin Chary |
7 | * Copyright (C) 2011 Wind River Systems |
8 | * |
9 | * The development page for this driver is located at |
10 | * http://sourceforge.net/projects/acpi4asus/ |
11 | * |
12 | * Credits: |
13 | * Pontus Fuchs - Helper functions, cleanup |
14 | * Johann Wiesner - Small compile fixes |
15 | * John Belmonte - ACPI code for Toshiba laptop was a good starting point. |
16 | * Eric Burghard - LED display support for W1N |
17 | * Josh Green - Light Sens support |
18 | * Thomas Tuttle - His first patch for led support was very helpful |
19 | * Sam Lin - GPS support |
20 | */ |
21 | |
22 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
23 | |
24 | #include <linux/kernel.h> |
25 | #include <linux/module.h> |
26 | #include <linux/init.h> |
27 | #include <linux/types.h> |
28 | #include <linux/err.h> |
29 | #include <linux/proc_fs.h> |
30 | #include <linux/backlight.h> |
31 | #include <linux/fb.h> |
32 | #include <linux/leds.h> |
33 | #include <linux/platform_device.h> |
34 | #include <linux/uaccess.h> |
35 | #include <linux/input.h> |
36 | #include <linux/input/sparse-keymap.h> |
37 | #include <linux/rfkill.h> |
38 | #include <linux/slab.h> |
39 | #include <linux/dmi.h> |
40 | #include <linux/acpi.h> |
41 | #include <acpi/video.h> |
42 | |
43 | #define ASUS_LAPTOP_VERSION "0.42" |
44 | |
45 | #define ASUS_LAPTOP_NAME "Asus Laptop Support" |
46 | #define ASUS_LAPTOP_CLASS "hotkey" |
47 | #define ASUS_LAPTOP_DEVICE_NAME "Hotkey" |
48 | #define ASUS_LAPTOP_FILE KBUILD_MODNAME |
49 | #define ASUS_LAPTOP_PREFIX "\\_SB.ATKD." |
50 | |
51 | MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary" ); |
52 | MODULE_DESCRIPTION(ASUS_LAPTOP_NAME); |
53 | MODULE_LICENSE("GPL" ); |
54 | |
55 | /* |
56 | * WAPF defines the behavior of the Fn+Fx wlan key |
57 | * The significance of values is yet to be found, but |
58 | * most of the time: |
59 | * Bit | Bluetooth | WLAN |
60 | * 0 | Hardware | Hardware |
61 | * 1 | Hardware | Software |
62 | * 4 | Software | Software |
63 | */ |
64 | static uint wapf = 1; |
65 | module_param(wapf, uint, 0444); |
66 | MODULE_PARM_DESC(wapf, "WAPF value" ); |
67 | |
68 | static char *wled_type = "unknown" ; |
69 | static char *bled_type = "unknown" ; |
70 | |
71 | module_param(wled_type, charp, 0444); |
72 | MODULE_PARM_DESC(wled_type, "Set the wled type on boot " |
73 | "(unknown, led or rfkill). " |
74 | "default is unknown" ); |
75 | |
76 | module_param(bled_type, charp, 0444); |
77 | MODULE_PARM_DESC(bled_type, "Set the bled type on boot " |
78 | "(unknown, led or rfkill). " |
79 | "default is unknown" ); |
80 | |
81 | static int wlan_status = 1; |
82 | static int bluetooth_status = 1; |
83 | static int wimax_status = -1; |
84 | static int wwan_status = -1; |
85 | static int als_status; |
86 | |
87 | module_param(wlan_status, int, 0444); |
88 | MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot " |
89 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
90 | "default is -1" ); |
91 | |
92 | module_param(bluetooth_status, int, 0444); |
93 | MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot " |
94 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
95 | "default is -1" ); |
96 | |
97 | module_param(wimax_status, int, 0444); |
98 | MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot " |
99 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
100 | "default is -1" ); |
101 | |
102 | module_param(wwan_status, int, 0444); |
103 | MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " |
104 | "(0 = disabled, 1 = enabled, -1 = don't do anything). " |
105 | "default is -1" ); |
106 | |
107 | module_param(als_status, int, 0444); |
108 | MODULE_PARM_DESC(als_status, "Set the ALS status on boot " |
109 | "(0 = disabled, 1 = enabled). " |
110 | "default is 0" ); |
111 | |
112 | /* |
113 | * Some events we use, same for all Asus |
114 | */ |
115 | #define ATKD_BRNUP_MIN 0x10 |
116 | #define ATKD_BRNUP_MAX 0x1f |
117 | #define ATKD_BRNDOWN_MIN 0x20 |
118 | #define ATKD_BRNDOWN_MAX 0x2f |
119 | #define ATKD_BRNDOWN 0x20 |
120 | #define ATKD_BRNUP 0x2f |
121 | #define ATKD_LCD_ON 0x33 |
122 | #define ATKD_LCD_OFF 0x34 |
123 | |
124 | /* |
125 | * Known bits returned by \_SB.ATKD.HWRS |
126 | */ |
127 | #define WL_HWRS 0x80 |
128 | #define BT_HWRS 0x100 |
129 | |
130 | /* |
131 | * Flags for hotk status |
132 | * WL_ON and BT_ON are also used for wireless_status() |
133 | */ |
134 | #define WL_RSTS 0x01 /* internal Wifi */ |
135 | #define BT_RSTS 0x02 /* internal Bluetooth */ |
136 | #define WM_RSTS 0x08 /* internal wimax */ |
137 | #define WW_RSTS 0x20 /* internal wwan */ |
138 | |
139 | /* WLED and BLED type */ |
140 | #define TYPE_UNKNOWN 0 |
141 | #define TYPE_LED 1 |
142 | #define TYPE_RFKILL 2 |
143 | |
144 | /* LED */ |
145 | #define METHOD_MLED "MLED" |
146 | #define METHOD_TLED "TLED" |
147 | #define METHOD_RLED "RLED" /* W1JC */ |
148 | #define METHOD_PLED "PLED" /* A7J */ |
149 | #define METHOD_GLED "GLED" /* G1, G2 (probably) */ |
150 | |
151 | /* LEDD */ |
152 | #define METHOD_LEDD "SLCM" |
153 | |
154 | /* |
155 | * Bluetooth and WLAN |
156 | * WLED and BLED are not handled like other XLED, because in some dsdt |
157 | * they also control the WLAN/Bluetooth device. |
158 | */ |
159 | #define METHOD_WLAN "WLED" |
160 | #define METHOD_BLUETOOTH "BLED" |
161 | |
162 | /* WWAN and WIMAX */ |
163 | #define METHOD_WWAN "GSMC" |
164 | #define METHOD_WIMAX "WMXC" |
165 | |
166 | #define METHOD_WL_STATUS "RSTS" |
167 | |
168 | /* Brightness */ |
169 | #define METHOD_BRIGHTNESS_SET "SPLV" |
170 | #define METHOD_BRIGHTNESS_GET "GPLV" |
171 | |
172 | /* Display */ |
173 | #define METHOD_SWITCH_DISPLAY "SDSP" |
174 | |
175 | #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ |
176 | #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ |
177 | |
178 | /* GPS */ |
179 | /* R2H use different handle for GPS on/off */ |
180 | #define METHOD_GPS_ON "SDON" |
181 | #define METHOD_GPS_OFF "SDOF" |
182 | #define METHOD_GPS_STATUS "GPST" |
183 | |
184 | /* Keyboard light */ |
185 | #define METHOD_KBD_LIGHT_SET "SLKB" |
186 | #define METHOD_KBD_LIGHT_GET "GLKB" |
187 | |
188 | /* For Pegatron Lucid tablet */ |
189 | #define DEVICE_NAME_PEGA "Lucid" |
190 | |
191 | #define METHOD_PEGA_ENABLE "ENPR" |
192 | #define METHOD_PEGA_DISABLE "DAPR" |
193 | #define PEGA_WLAN 0x00 |
194 | #define PEGA_BLUETOOTH 0x01 |
195 | #define PEGA_WWAN 0x02 |
196 | #define PEGA_ALS 0x04 |
197 | #define PEGA_ALS_POWER 0x05 |
198 | |
199 | #define METHOD_PEGA_READ "RDLN" |
200 | #define PEGA_READ_ALS_H 0x02 |
201 | #define PEGA_READ_ALS_L 0x03 |
202 | |
203 | #define PEGA_ACCEL_NAME "pega_accel" |
204 | #define PEGA_ACCEL_DESC "Pegatron Lucid Tablet Accelerometer" |
205 | #define METHOD_XLRX "XLRX" |
206 | #define METHOD_XLRY "XLRY" |
207 | #define METHOD_XLRZ "XLRZ" |
208 | #define PEGA_ACC_CLAMP 512 /* 1G accel is reported as ~256, so clamp to 2G */ |
209 | #define PEGA_ACC_RETRIES 3 |
210 | |
211 | /* |
212 | * Define a specific led structure to keep the main structure clean |
213 | */ |
214 | struct asus_led { |
215 | int wk; |
216 | struct work_struct work; |
217 | struct led_classdev led; |
218 | struct asus_laptop *asus; |
219 | const char *method; |
220 | }; |
221 | |
222 | /* |
223 | * Same thing for rfkill |
224 | */ |
225 | struct asus_rfkill { |
226 | /* type of control. Maps to PEGA_* values or *_RSTS */ |
227 | int control_id; |
228 | struct rfkill *rfkill; |
229 | struct asus_laptop *asus; |
230 | }; |
231 | |
232 | /* |
233 | * This is the main structure, we can use it to store anything interesting |
234 | * about the hotk device |
235 | */ |
236 | struct asus_laptop { |
237 | char *name; /* laptop name */ |
238 | |
239 | struct acpi_table_header *dsdt_info; |
240 | struct platform_device *platform_device; |
241 | struct acpi_device *device; /* the device we are in */ |
242 | struct backlight_device *backlight_device; |
243 | |
244 | struct input_dev *inputdev; |
245 | struct key_entry *keymap; |
246 | struct input_dev *pega_accel_poll; |
247 | |
248 | struct asus_led wled; |
249 | struct asus_led bled; |
250 | struct asus_led mled; |
251 | struct asus_led tled; |
252 | struct asus_led rled; |
253 | struct asus_led pled; |
254 | struct asus_led gled; |
255 | struct asus_led kled; |
256 | struct workqueue_struct *led_workqueue; |
257 | |
258 | int wled_type; |
259 | int bled_type; |
260 | int wireless_status; |
261 | bool have_rsts; |
262 | bool is_pega_lucid; |
263 | bool pega_acc_live; |
264 | int pega_acc_x; |
265 | int pega_acc_y; |
266 | int pega_acc_z; |
267 | |
268 | struct asus_rfkill wlan; |
269 | struct asus_rfkill bluetooth; |
270 | struct asus_rfkill wwan; |
271 | struct asus_rfkill wimax; |
272 | struct asus_rfkill gps; |
273 | |
274 | acpi_handle handle; /* the handle of the hotk device */ |
275 | u32 ledd_status; /* status of the LED display */ |
276 | u8 light_level; /* light sensor level */ |
277 | u8 light_switch; /* light sensor switch value */ |
278 | u16 event_count[128]; /* count for each event TODO make this better */ |
279 | }; |
280 | |
281 | static const struct key_entry asus_keymap[] = { |
282 | /* Lenovo SL Specific keycodes */ |
283 | {KE_KEY, 0x02, { KEY_SCREENLOCK } }, |
284 | {KE_KEY, 0x05, { KEY_WLAN } }, |
285 | {KE_KEY, 0x08, { KEY_F13 } }, |
286 | {KE_KEY, 0x09, { KEY_PROG2 } }, /* Dock */ |
287 | {KE_KEY, 0x17, { KEY_ZOOM } }, |
288 | {KE_KEY, 0x1f, { KEY_BATTERY } }, |
289 | /* End of Lenovo SL Specific keycodes */ |
290 | {KE_KEY, ATKD_BRNDOWN, { KEY_BRIGHTNESSDOWN } }, |
291 | {KE_KEY, ATKD_BRNUP, { KEY_BRIGHTNESSUP } }, |
292 | {KE_KEY, 0x30, { KEY_VOLUMEUP } }, |
293 | {KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, |
294 | {KE_KEY, 0x32, { KEY_MUTE } }, |
295 | {KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */ |
296 | {KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */ |
297 | {KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, |
298 | {KE_KEY, 0x41, { KEY_NEXTSONG } }, |
299 | {KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */ |
300 | {KE_KEY, 0x45, { KEY_PLAYPAUSE } }, |
301 | {KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */ |
302 | {KE_KEY, 0x50, { KEY_EMAIL } }, |
303 | {KE_KEY, 0x51, { KEY_WWW } }, |
304 | {KE_KEY, 0x55, { KEY_CALC } }, |
305 | {KE_IGNORE, 0x57, }, /* Battery mode */ |
306 | {KE_IGNORE, 0x58, }, /* AC mode */ |
307 | {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */ |
308 | {KE_KEY, 0x5D, { KEY_WLAN } }, /* WLAN Toggle */ |
309 | {KE_KEY, 0x5E, { KEY_WLAN } }, /* WLAN Enable */ |
310 | {KE_KEY, 0x5F, { KEY_WLAN } }, /* WLAN Disable */ |
311 | {KE_KEY, 0x60, { KEY_TOUCHPAD_ON } }, |
312 | {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */ |
313 | {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */ |
314 | {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */ |
315 | {KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */ |
316 | {KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */ |
317 | {KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */ |
318 | {KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */ |
319 | {KE_KEY, 0x6A, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad Fn + F9 */ |
320 | {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad */ |
321 | {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */ |
322 | {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */ |
323 | {KE_IGNORE, 0x6E, }, /* Low Battery notification */ |
324 | {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */ |
325 | {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */ |
326 | {KE_KEY, 0x82, { KEY_CAMERA } }, |
327 | {KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */ |
328 | {KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */ |
329 | {KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */ |
330 | {KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */ |
331 | {KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */ |
332 | {KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */ |
333 | {KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */ |
334 | {KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */ |
335 | {KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */ |
336 | {KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */ |
337 | {KE_KEY, 0x95, { KEY_MEDIA } }, |
338 | {KE_KEY, 0x99, { KEY_PHONE } }, |
339 | {KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */ |
340 | {KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */ |
341 | {KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */ |
342 | {KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */ |
343 | {KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */ |
344 | {KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */ |
345 | {KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */ |
346 | {KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */ |
347 | {KE_KEY, 0xB5, { KEY_CALC } }, |
348 | {KE_KEY, 0xC4, { KEY_KBDILLUMUP } }, |
349 | {KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } }, |
350 | {KE_END, 0}, |
351 | }; |
352 | |
353 | |
354 | /* |
355 | * This function evaluates an ACPI method, given an int as parameter, the |
356 | * method is searched within the scope of the handle, can be NULL. The output |
357 | * of the method is written is output, which can also be NULL |
358 | * |
359 | * returns 0 if write is successful, -1 else. |
360 | */ |
361 | static int write_acpi_int_ret(acpi_handle handle, const char *method, int val, |
362 | struct acpi_buffer *output) |
363 | { |
364 | struct acpi_object_list params; /* list of input parameters (an int) */ |
365 | union acpi_object in_obj; /* the only param we use */ |
366 | acpi_status status; |
367 | |
368 | if (!handle) |
369 | return -1; |
370 | |
371 | params.count = 1; |
372 | params.pointer = &in_obj; |
373 | in_obj.type = ACPI_TYPE_INTEGER; |
374 | in_obj.integer.value = val; |
375 | |
376 | status = acpi_evaluate_object(object: handle, pathname: (char *)method, parameter_objects: ¶ms, return_object_buffer: output); |
377 | if (status == AE_OK) |
378 | return 0; |
379 | else |
380 | return -1; |
381 | } |
382 | |
383 | static int write_acpi_int(acpi_handle handle, const char *method, int val) |
384 | { |
385 | return write_acpi_int_ret(handle, method, val, NULL); |
386 | } |
387 | |
388 | static int acpi_check_handle(acpi_handle handle, const char *method, |
389 | acpi_handle *ret) |
390 | { |
391 | acpi_status status; |
392 | |
393 | if (method == NULL) |
394 | return -ENODEV; |
395 | |
396 | if (ret) |
397 | status = acpi_get_handle(parent: handle, pathname: (char *)method, |
398 | ret_handle: ret); |
399 | else { |
400 | acpi_handle dummy; |
401 | |
402 | status = acpi_get_handle(parent: handle, pathname: (char *)method, |
403 | ret_handle: &dummy); |
404 | } |
405 | |
406 | if (status != AE_OK) { |
407 | if (ret) |
408 | pr_warn("Error finding %s\n" , method); |
409 | return -ENODEV; |
410 | } |
411 | return 0; |
412 | } |
413 | |
414 | static bool asus_check_pega_lucid(struct asus_laptop *asus) |
415 | { |
416 | return !strcmp(asus->name, DEVICE_NAME_PEGA) && |
417 | !acpi_check_handle(handle: asus->handle, METHOD_PEGA_ENABLE, NULL) && |
418 | !acpi_check_handle(handle: asus->handle, METHOD_PEGA_DISABLE, NULL) && |
419 | !acpi_check_handle(handle: asus->handle, METHOD_PEGA_READ, NULL); |
420 | } |
421 | |
422 | static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable) |
423 | { |
424 | char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE; |
425 | return write_acpi_int(handle: asus->handle, method, val: unit); |
426 | } |
427 | |
428 | static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method) |
429 | { |
430 | int i, delta; |
431 | unsigned long long val; |
432 | for (i = 0; i < PEGA_ACC_RETRIES; i++) { |
433 | acpi_evaluate_integer(handle: asus->handle, pathname: method, NULL, data: &val); |
434 | |
435 | /* The output is noisy. From reading the ASL |
436 | * dissassembly, timeout errors are returned with 1's |
437 | * in the high word, and the lack of locking around |
438 | * thei hi/lo byte reads means that a transition |
439 | * between (for example) -1 and 0 could be read as |
440 | * 0xff00 or 0x00ff. */ |
441 | delta = abs(curr - (short)val); |
442 | if (delta < 128 && !(val & ~0xffff)) |
443 | break; |
444 | } |
445 | return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP); |
446 | } |
447 | |
448 | static void pega_accel_poll(struct input_dev *input) |
449 | { |
450 | struct device *parent = input->dev.parent; |
451 | struct asus_laptop *asus = dev_get_drvdata(dev: parent); |
452 | |
453 | /* In some cases, the very first call to poll causes a |
454 | * recursive fault under the polldev worker. This is |
455 | * apparently related to very early userspace access to the |
456 | * device, and perhaps a firmware bug. Fake the first report. */ |
457 | if (!asus->pega_acc_live) { |
458 | asus->pega_acc_live = true; |
459 | input_report_abs(dev: input, ABS_X, value: 0); |
460 | input_report_abs(dev: input, ABS_Y, value: 0); |
461 | input_report_abs(dev: input, ABS_Z, value: 0); |
462 | input_sync(dev: input); |
463 | return; |
464 | } |
465 | |
466 | asus->pega_acc_x = pega_acc_axis(asus, curr: asus->pega_acc_x, METHOD_XLRX); |
467 | asus->pega_acc_y = pega_acc_axis(asus, curr: asus->pega_acc_y, METHOD_XLRY); |
468 | asus->pega_acc_z = pega_acc_axis(asus, curr: asus->pega_acc_z, METHOD_XLRZ); |
469 | |
470 | /* Note transform, convert to "right/up/out" in the native |
471 | * landscape orientation (i.e. the vector is the direction of |
472 | * "real up" in the device's cartiesian coordinates). */ |
473 | input_report_abs(dev: input, ABS_X, value: -asus->pega_acc_x); |
474 | input_report_abs(dev: input, ABS_Y, value: -asus->pega_acc_y); |
475 | input_report_abs(dev: input, ABS_Z, value: asus->pega_acc_z); |
476 | input_sync(dev: input); |
477 | } |
478 | |
479 | static void pega_accel_exit(struct asus_laptop *asus) |
480 | { |
481 | if (asus->pega_accel_poll) { |
482 | input_unregister_device(asus->pega_accel_poll); |
483 | asus->pega_accel_poll = NULL; |
484 | } |
485 | } |
486 | |
487 | static int pega_accel_init(struct asus_laptop *asus) |
488 | { |
489 | int err; |
490 | struct input_dev *input; |
491 | |
492 | if (!asus->is_pega_lucid) |
493 | return -ENODEV; |
494 | |
495 | if (acpi_check_handle(handle: asus->handle, METHOD_XLRX, NULL) || |
496 | acpi_check_handle(handle: asus->handle, METHOD_XLRY, NULL) || |
497 | acpi_check_handle(handle: asus->handle, METHOD_XLRZ, NULL)) |
498 | return -ENODEV; |
499 | |
500 | input = input_allocate_device(); |
501 | if (!input) |
502 | return -ENOMEM; |
503 | |
504 | input->name = PEGA_ACCEL_DESC; |
505 | input->phys = PEGA_ACCEL_NAME "/input0" ; |
506 | input->dev.parent = &asus->platform_device->dev; |
507 | input->id.bustype = BUS_HOST; |
508 | |
509 | input_set_abs_params(dev: input, ABS_X, |
510 | min: -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, fuzz: 0, flat: 0); |
511 | input_set_abs_params(dev: input, ABS_Y, |
512 | min: -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, fuzz: 0, flat: 0); |
513 | input_set_abs_params(dev: input, ABS_Z, |
514 | min: -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, fuzz: 0, flat: 0); |
515 | |
516 | err = input_setup_polling(dev: input, poll_fn: pega_accel_poll); |
517 | if (err) |
518 | goto exit; |
519 | |
520 | input_set_poll_interval(dev: input, interval: 125); |
521 | input_set_min_poll_interval(dev: input, interval: 50); |
522 | input_set_max_poll_interval(dev: input, interval: 2000); |
523 | |
524 | err = input_register_device(input); |
525 | if (err) |
526 | goto exit; |
527 | |
528 | asus->pega_accel_poll = input; |
529 | return 0; |
530 | |
531 | exit: |
532 | input_free_device(dev: input); |
533 | return err; |
534 | } |
535 | |
536 | /* Generic LED function */ |
537 | static int asus_led_set(struct asus_laptop *asus, const char *method, |
538 | int value) |
539 | { |
540 | if (!strcmp(method, METHOD_MLED)) |
541 | value = !value; |
542 | else if (!strcmp(method, METHOD_GLED)) |
543 | value = !value + 1; |
544 | else |
545 | value = !!value; |
546 | |
547 | return write_acpi_int(handle: asus->handle, method, val: value); |
548 | } |
549 | |
550 | /* |
551 | * LEDs |
552 | */ |
553 | /* /sys/class/led handlers */ |
554 | static void asus_led_cdev_set(struct led_classdev *led_cdev, |
555 | enum led_brightness value) |
556 | { |
557 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
558 | struct asus_laptop *asus = led->asus; |
559 | |
560 | led->wk = !!value; |
561 | queue_work(wq: asus->led_workqueue, work: &led->work); |
562 | } |
563 | |
564 | static void asus_led_cdev_update(struct work_struct *work) |
565 | { |
566 | struct asus_led *led = container_of(work, struct asus_led, work); |
567 | struct asus_laptop *asus = led->asus; |
568 | |
569 | asus_led_set(asus, method: led->method, value: led->wk); |
570 | } |
571 | |
572 | static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev) |
573 | { |
574 | return led_cdev->brightness; |
575 | } |
576 | |
577 | /* |
578 | * Keyboard backlight (also a LED) |
579 | */ |
580 | static int asus_kled_lvl(struct asus_laptop *asus) |
581 | { |
582 | unsigned long long kblv; |
583 | struct acpi_object_list params; |
584 | union acpi_object in_obj; |
585 | acpi_status rv; |
586 | |
587 | params.count = 1; |
588 | params.pointer = &in_obj; |
589 | in_obj.type = ACPI_TYPE_INTEGER; |
590 | in_obj.integer.value = 2; |
591 | |
592 | rv = acpi_evaluate_integer(handle: asus->handle, METHOD_KBD_LIGHT_GET, |
593 | arguments: ¶ms, data: &kblv); |
594 | if (ACPI_FAILURE(rv)) { |
595 | pr_warn("Error reading kled level\n" ); |
596 | return -ENODEV; |
597 | } |
598 | return kblv; |
599 | } |
600 | |
601 | static int asus_kled_set(struct asus_laptop *asus, int kblv) |
602 | { |
603 | if (kblv > 0) |
604 | kblv = (1 << 7) | (kblv & 0x7F); |
605 | else |
606 | kblv = 0; |
607 | |
608 | if (write_acpi_int(handle: asus->handle, METHOD_KBD_LIGHT_SET, val: kblv)) { |
609 | pr_warn("Keyboard LED display write failed\n" ); |
610 | return -EINVAL; |
611 | } |
612 | return 0; |
613 | } |
614 | |
615 | static void asus_kled_cdev_set(struct led_classdev *led_cdev, |
616 | enum led_brightness value) |
617 | { |
618 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
619 | struct asus_laptop *asus = led->asus; |
620 | |
621 | led->wk = value; |
622 | queue_work(wq: asus->led_workqueue, work: &led->work); |
623 | } |
624 | |
625 | static void asus_kled_cdev_update(struct work_struct *work) |
626 | { |
627 | struct asus_led *led = container_of(work, struct asus_led, work); |
628 | struct asus_laptop *asus = led->asus; |
629 | |
630 | asus_kled_set(asus, kblv: led->wk); |
631 | } |
632 | |
633 | static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev) |
634 | { |
635 | struct asus_led *led = container_of(led_cdev, struct asus_led, led); |
636 | struct asus_laptop *asus = led->asus; |
637 | |
638 | return asus_kled_lvl(asus); |
639 | } |
640 | |
641 | static void asus_led_exit(struct asus_laptop *asus) |
642 | { |
643 | led_classdev_unregister(led_cdev: &asus->wled.led); |
644 | led_classdev_unregister(led_cdev: &asus->bled.led); |
645 | led_classdev_unregister(led_cdev: &asus->mled.led); |
646 | led_classdev_unregister(led_cdev: &asus->tled.led); |
647 | led_classdev_unregister(led_cdev: &asus->pled.led); |
648 | led_classdev_unregister(led_cdev: &asus->rled.led); |
649 | led_classdev_unregister(led_cdev: &asus->gled.led); |
650 | led_classdev_unregister(led_cdev: &asus->kled.led); |
651 | |
652 | if (asus->led_workqueue) { |
653 | destroy_workqueue(wq: asus->led_workqueue); |
654 | asus->led_workqueue = NULL; |
655 | } |
656 | } |
657 | |
658 | /* Ugly macro, need to fix that later */ |
659 | static int asus_led_register(struct asus_laptop *asus, |
660 | struct asus_led *led, |
661 | const char *name, const char *method) |
662 | { |
663 | struct led_classdev *led_cdev = &led->led; |
664 | |
665 | if (!method || acpi_check_handle(handle: asus->handle, method, NULL)) |
666 | return 0; /* Led not present */ |
667 | |
668 | led->asus = asus; |
669 | led->method = method; |
670 | |
671 | INIT_WORK(&led->work, asus_led_cdev_update); |
672 | led_cdev->name = name; |
673 | led_cdev->brightness_set = asus_led_cdev_set; |
674 | led_cdev->brightness_get = asus_led_cdev_get; |
675 | led_cdev->max_brightness = 1; |
676 | return led_classdev_register(parent: &asus->platform_device->dev, led_cdev); |
677 | } |
678 | |
679 | static int asus_led_init(struct asus_laptop *asus) |
680 | { |
681 | int r = 0; |
682 | |
683 | /* |
684 | * The Pegatron Lucid has no physical leds, but all methods are |
685 | * available in the DSDT... |
686 | */ |
687 | if (asus->is_pega_lucid) |
688 | return 0; |
689 | |
690 | /* |
691 | * Functions that actually update the LED's are called from a |
692 | * workqueue. By doing this as separate work rather than when the LED |
693 | * subsystem asks, we avoid messing with the Asus ACPI stuff during a |
694 | * potentially bad time, such as a timer interrupt. |
695 | */ |
696 | asus->led_workqueue = create_singlethread_workqueue("led_workqueue" ); |
697 | if (!asus->led_workqueue) |
698 | return -ENOMEM; |
699 | |
700 | if (asus->wled_type == TYPE_LED) |
701 | r = asus_led_register(asus, led: &asus->wled, name: "asus::wlan" , |
702 | METHOD_WLAN); |
703 | if (r) |
704 | goto error; |
705 | if (asus->bled_type == TYPE_LED) |
706 | r = asus_led_register(asus, led: &asus->bled, name: "asus::bluetooth" , |
707 | METHOD_BLUETOOTH); |
708 | if (r) |
709 | goto error; |
710 | r = asus_led_register(asus, led: &asus->mled, name: "asus::mail" , METHOD_MLED); |
711 | if (r) |
712 | goto error; |
713 | r = asus_led_register(asus, led: &asus->tled, name: "asus::touchpad" , METHOD_TLED); |
714 | if (r) |
715 | goto error; |
716 | r = asus_led_register(asus, led: &asus->rled, name: "asus::record" , METHOD_RLED); |
717 | if (r) |
718 | goto error; |
719 | r = asus_led_register(asus, led: &asus->pled, name: "asus::phone" , METHOD_PLED); |
720 | if (r) |
721 | goto error; |
722 | r = asus_led_register(asus, led: &asus->gled, name: "asus::gaming" , METHOD_GLED); |
723 | if (r) |
724 | goto error; |
725 | if (!acpi_check_handle(handle: asus->handle, METHOD_KBD_LIGHT_SET, NULL) && |
726 | !acpi_check_handle(handle: asus->handle, METHOD_KBD_LIGHT_GET, NULL)) { |
727 | struct asus_led *led = &asus->kled; |
728 | struct led_classdev *cdev = &led->led; |
729 | |
730 | led->asus = asus; |
731 | |
732 | INIT_WORK(&led->work, asus_kled_cdev_update); |
733 | cdev->name = "asus::kbd_backlight" ; |
734 | cdev->brightness_set = asus_kled_cdev_set; |
735 | cdev->brightness_get = asus_kled_cdev_get; |
736 | cdev->max_brightness = 3; |
737 | r = led_classdev_register(parent: &asus->platform_device->dev, led_cdev: cdev); |
738 | } |
739 | error: |
740 | if (r) |
741 | asus_led_exit(asus); |
742 | return r; |
743 | } |
744 | |
745 | /* |
746 | * Backlight device |
747 | */ |
748 | static int asus_read_brightness(struct backlight_device *bd) |
749 | { |
750 | struct asus_laptop *asus = bl_get_data(bl_dev: bd); |
751 | unsigned long long value; |
752 | acpi_status rv; |
753 | |
754 | rv = acpi_evaluate_integer(handle: asus->handle, METHOD_BRIGHTNESS_GET, |
755 | NULL, data: &value); |
756 | if (ACPI_FAILURE(rv)) { |
757 | pr_warn("Error reading brightness\n" ); |
758 | return 0; |
759 | } |
760 | |
761 | return value; |
762 | } |
763 | |
764 | static int asus_set_brightness(struct backlight_device *bd, int value) |
765 | { |
766 | struct asus_laptop *asus = bl_get_data(bl_dev: bd); |
767 | |
768 | if (write_acpi_int(handle: asus->handle, METHOD_BRIGHTNESS_SET, val: value)) { |
769 | pr_warn("Error changing brightness\n" ); |
770 | return -EIO; |
771 | } |
772 | return 0; |
773 | } |
774 | |
775 | static int update_bl_status(struct backlight_device *bd) |
776 | { |
777 | int value = bd->props.brightness; |
778 | |
779 | return asus_set_brightness(bd, value); |
780 | } |
781 | |
782 | static const struct backlight_ops asusbl_ops = { |
783 | .get_brightness = asus_read_brightness, |
784 | .update_status = update_bl_status, |
785 | }; |
786 | |
787 | static int asus_backlight_notify(struct asus_laptop *asus) |
788 | { |
789 | struct backlight_device *bd = asus->backlight_device; |
790 | int old = bd->props.brightness; |
791 | |
792 | backlight_force_update(bd, reason: BACKLIGHT_UPDATE_HOTKEY); |
793 | |
794 | return old; |
795 | } |
796 | |
797 | static int asus_backlight_init(struct asus_laptop *asus) |
798 | { |
799 | struct backlight_device *bd; |
800 | struct backlight_properties props; |
801 | |
802 | if (acpi_check_handle(handle: asus->handle, METHOD_BRIGHTNESS_GET, NULL) || |
803 | acpi_check_handle(handle: asus->handle, METHOD_BRIGHTNESS_SET, NULL)) |
804 | return 0; |
805 | |
806 | memset(&props, 0, sizeof(struct backlight_properties)); |
807 | props.max_brightness = 15; |
808 | props.type = BACKLIGHT_PLATFORM; |
809 | |
810 | bd = backlight_device_register(ASUS_LAPTOP_FILE, |
811 | dev: &asus->platform_device->dev, devdata: asus, |
812 | ops: &asusbl_ops, props: &props); |
813 | if (IS_ERR(ptr: bd)) { |
814 | pr_err("Could not register asus backlight device\n" ); |
815 | asus->backlight_device = NULL; |
816 | return PTR_ERR(ptr: bd); |
817 | } |
818 | |
819 | asus->backlight_device = bd; |
820 | bd->props.brightness = asus_read_brightness(bd); |
821 | bd->props.power = FB_BLANK_UNBLANK; |
822 | backlight_update_status(bd); |
823 | return 0; |
824 | } |
825 | |
826 | static void asus_backlight_exit(struct asus_laptop *asus) |
827 | { |
828 | backlight_device_unregister(bd: asus->backlight_device); |
829 | asus->backlight_device = NULL; |
830 | } |
831 | |
832 | /* |
833 | * Platform device handlers |
834 | */ |
835 | |
836 | /* |
837 | * We write our info in page, we begin at offset off and cannot write more |
838 | * than count bytes. We set eof to 1 if we handle those 2 values. We return the |
839 | * number of bytes written in page |
840 | */ |
841 | static ssize_t infos_show(struct device *dev, struct device_attribute *attr, |
842 | char *page) |
843 | { |
844 | struct asus_laptop *asus = dev_get_drvdata(dev); |
845 | int len = 0; |
846 | unsigned long long temp; |
847 | char buf[16]; /* enough for all info */ |
848 | acpi_status rv; |
849 | |
850 | /* |
851 | * We use the easy way, we don't care of off and count, |
852 | * so we don't set eof to 1 |
853 | */ |
854 | |
855 | len += sprintf(buf: page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n" ); |
856 | len += sprintf(buf: page + len, fmt: "Model reference : %s\n" , asus->name); |
857 | /* |
858 | * The SFUN method probably allows the original driver to get the list |
859 | * of features supported by a given model. For now, 0x0100 or 0x0800 |
860 | * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. |
861 | * The significance of others is yet to be found. |
862 | */ |
863 | rv = acpi_evaluate_integer(handle: asus->handle, pathname: "SFUN" , NULL, data: &temp); |
864 | if (ACPI_SUCCESS(rv)) |
865 | len += sprintf(buf: page + len, fmt: "SFUN value : %#x\n" , |
866 | (uint) temp); |
867 | /* |
868 | * The HWRS method return informations about the hardware. |
869 | * 0x80 bit is for WLAN, 0x100 for Bluetooth. |
870 | * 0x40 for WWAN, 0x10 for WIMAX. |
871 | * The significance of others is yet to be found. |
872 | * We don't currently use this for device detection, and it |
873 | * takes several seconds to run on some systems. |
874 | */ |
875 | rv = acpi_evaluate_integer(handle: asus->handle, pathname: "HWRS" , NULL, data: &temp); |
876 | if (ACPI_SUCCESS(rv)) |
877 | len += sprintf(buf: page + len, fmt: "HWRS value : %#x\n" , |
878 | (uint) temp); |
879 | /* |
880 | * Another value for userspace: the ASYM method returns 0x02 for |
881 | * battery low and 0x04 for battery critical, its readings tend to be |
882 | * more accurate than those provided by _BST. |
883 | * Note: since not all the laptops provide this method, errors are |
884 | * silently ignored. |
885 | */ |
886 | rv = acpi_evaluate_integer(handle: asus->handle, pathname: "ASYM" , NULL, data: &temp); |
887 | if (ACPI_SUCCESS(rv)) |
888 | len += sprintf(buf: page + len, fmt: "ASYM value : %#x\n" , |
889 | (uint) temp); |
890 | if (asus->dsdt_info) { |
891 | snprintf(buf, size: 16, fmt: "%d" , asus->dsdt_info->length); |
892 | len += sprintf(buf: page + len, fmt: "DSDT length : %s\n" , buf); |
893 | snprintf(buf, size: 16, fmt: "%d" , asus->dsdt_info->checksum); |
894 | len += sprintf(buf: page + len, fmt: "DSDT checksum : %s\n" , buf); |
895 | snprintf(buf, size: 16, fmt: "%d" , asus->dsdt_info->revision); |
896 | len += sprintf(buf: page + len, fmt: "DSDT revision : %s\n" , buf); |
897 | snprintf(buf, size: 7, fmt: "%s" , asus->dsdt_info->oem_id); |
898 | len += sprintf(buf: page + len, fmt: "OEM id : %s\n" , buf); |
899 | snprintf(buf, size: 9, fmt: "%s" , asus->dsdt_info->oem_table_id); |
900 | len += sprintf(buf: page + len, fmt: "OEM table id : %s\n" , buf); |
901 | snprintf(buf, size: 16, fmt: "%x" , asus->dsdt_info->oem_revision); |
902 | len += sprintf(buf: page + len, fmt: "OEM revision : 0x%s\n" , buf); |
903 | snprintf(buf, size: 5, fmt: "%s" , asus->dsdt_info->asl_compiler_id); |
904 | len += sprintf(buf: page + len, fmt: "ASL comp vendor id : %s\n" , buf); |
905 | snprintf(buf, size: 16, fmt: "%x" , asus->dsdt_info->asl_compiler_revision); |
906 | len += sprintf(buf: page + len, fmt: "ASL comp revision : 0x%s\n" , buf); |
907 | } |
908 | |
909 | return len; |
910 | } |
911 | static DEVICE_ATTR_RO(infos); |
912 | |
913 | static ssize_t sysfs_acpi_set(struct asus_laptop *asus, |
914 | const char *buf, size_t count, |
915 | const char *method) |
916 | { |
917 | int rv, value; |
918 | |
919 | rv = kstrtoint(s: buf, base: 0, res: &value); |
920 | if (rv < 0) |
921 | return rv; |
922 | |
923 | if (write_acpi_int(handle: asus->handle, method, val: value)) |
924 | return -ENODEV; |
925 | return count; |
926 | } |
927 | |
928 | /* |
929 | * LEDD display |
930 | */ |
931 | static ssize_t ledd_show(struct device *dev, struct device_attribute *attr, |
932 | char *buf) |
933 | { |
934 | struct asus_laptop *asus = dev_get_drvdata(dev); |
935 | |
936 | return sprintf(buf, fmt: "0x%08x\n" , asus->ledd_status); |
937 | } |
938 | |
939 | static ssize_t ledd_store(struct device *dev, struct device_attribute *attr, |
940 | const char *buf, size_t count) |
941 | { |
942 | struct asus_laptop *asus = dev_get_drvdata(dev); |
943 | int rv, value; |
944 | |
945 | rv = kstrtoint(s: buf, base: 0, res: &value); |
946 | if (rv < 0) |
947 | return rv; |
948 | |
949 | if (write_acpi_int(handle: asus->handle, METHOD_LEDD, val: value)) { |
950 | pr_warn("LED display write failed\n" ); |
951 | return -ENODEV; |
952 | } |
953 | |
954 | asus->ledd_status = (u32) value; |
955 | return count; |
956 | } |
957 | static DEVICE_ATTR_RW(ledd); |
958 | |
959 | /* |
960 | * Wireless |
961 | */ |
962 | static int asus_wireless_status(struct asus_laptop *asus, int mask) |
963 | { |
964 | unsigned long long status; |
965 | acpi_status rv = AE_OK; |
966 | |
967 | if (!asus->have_rsts) |
968 | return (asus->wireless_status & mask) ? 1 : 0; |
969 | |
970 | rv = acpi_evaluate_integer(handle: asus->handle, METHOD_WL_STATUS, |
971 | NULL, data: &status); |
972 | if (ACPI_FAILURE(rv)) { |
973 | pr_warn("Error reading Wireless status\n" ); |
974 | return -EINVAL; |
975 | } |
976 | return !!(status & mask); |
977 | } |
978 | |
979 | /* |
980 | * WLAN |
981 | */ |
982 | static int asus_wlan_set(struct asus_laptop *asus, int status) |
983 | { |
984 | if (write_acpi_int(handle: asus->handle, METHOD_WLAN, val: !!status)) { |
985 | pr_warn("Error setting wlan status to %d\n" , status); |
986 | return -EIO; |
987 | } |
988 | return 0; |
989 | } |
990 | |
991 | static ssize_t wlan_show(struct device *dev, struct device_attribute *attr, |
992 | char *buf) |
993 | { |
994 | struct asus_laptop *asus = dev_get_drvdata(dev); |
995 | |
996 | return sprintf(buf, fmt: "%d\n" , asus_wireless_status(asus, WL_RSTS)); |
997 | } |
998 | |
999 | static ssize_t wlan_store(struct device *dev, struct device_attribute *attr, |
1000 | const char *buf, size_t count) |
1001 | { |
1002 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1003 | |
1004 | return sysfs_acpi_set(asus, buf, count, METHOD_WLAN); |
1005 | } |
1006 | static DEVICE_ATTR_RW(wlan); |
1007 | |
1008 | /*e |
1009 | * Bluetooth |
1010 | */ |
1011 | static int asus_bluetooth_set(struct asus_laptop *asus, int status) |
1012 | { |
1013 | if (write_acpi_int(handle: asus->handle, METHOD_BLUETOOTH, val: !!status)) { |
1014 | pr_warn("Error setting bluetooth status to %d\n" , status); |
1015 | return -EIO; |
1016 | } |
1017 | return 0; |
1018 | } |
1019 | |
1020 | static ssize_t bluetooth_show(struct device *dev, struct device_attribute *attr, |
1021 | char *buf) |
1022 | { |
1023 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1024 | |
1025 | return sprintf(buf, fmt: "%d\n" , asus_wireless_status(asus, BT_RSTS)); |
1026 | } |
1027 | |
1028 | static ssize_t bluetooth_store(struct device *dev, |
1029 | struct device_attribute *attr, const char *buf, |
1030 | size_t count) |
1031 | { |
1032 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1033 | |
1034 | return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH); |
1035 | } |
1036 | static DEVICE_ATTR_RW(bluetooth); |
1037 | |
1038 | /* |
1039 | * Wimax |
1040 | */ |
1041 | static int asus_wimax_set(struct asus_laptop *asus, int status) |
1042 | { |
1043 | if (write_acpi_int(handle: asus->handle, METHOD_WIMAX, val: !!status)) { |
1044 | pr_warn("Error setting wimax status to %d\n" , status); |
1045 | return -EIO; |
1046 | } |
1047 | return 0; |
1048 | } |
1049 | |
1050 | static ssize_t wimax_show(struct device *dev, struct device_attribute *attr, |
1051 | char *buf) |
1052 | { |
1053 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1054 | |
1055 | return sprintf(buf, fmt: "%d\n" , asus_wireless_status(asus, WM_RSTS)); |
1056 | } |
1057 | |
1058 | static ssize_t wimax_store(struct device *dev, struct device_attribute *attr, |
1059 | const char *buf, size_t count) |
1060 | { |
1061 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1062 | |
1063 | return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX); |
1064 | } |
1065 | static DEVICE_ATTR_RW(wimax); |
1066 | |
1067 | /* |
1068 | * Wwan |
1069 | */ |
1070 | static int asus_wwan_set(struct asus_laptop *asus, int status) |
1071 | { |
1072 | if (write_acpi_int(handle: asus->handle, METHOD_WWAN, val: !!status)) { |
1073 | pr_warn("Error setting wwan status to %d\n" , status); |
1074 | return -EIO; |
1075 | } |
1076 | return 0; |
1077 | } |
1078 | |
1079 | static ssize_t wwan_show(struct device *dev, struct device_attribute *attr, |
1080 | char *buf) |
1081 | { |
1082 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1083 | |
1084 | return sprintf(buf, fmt: "%d\n" , asus_wireless_status(asus, WW_RSTS)); |
1085 | } |
1086 | |
1087 | static ssize_t wwan_store(struct device *dev, struct device_attribute *attr, |
1088 | const char *buf, size_t count) |
1089 | { |
1090 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1091 | |
1092 | return sysfs_acpi_set(asus, buf, count, METHOD_WWAN); |
1093 | } |
1094 | static DEVICE_ATTR_RW(wwan); |
1095 | |
1096 | /* |
1097 | * Display |
1098 | */ |
1099 | static void asus_set_display(struct asus_laptop *asus, int value) |
1100 | { |
1101 | /* no sanity check needed for now */ |
1102 | if (write_acpi_int(handle: asus->handle, METHOD_SWITCH_DISPLAY, val: value)) |
1103 | pr_warn("Error setting display\n" ); |
1104 | return; |
1105 | } |
1106 | |
1107 | /* |
1108 | * Experimental support for display switching. As of now: 1 should activate |
1109 | * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. |
1110 | * Any combination (bitwise) of these will suffice. I never actually tested 4 |
1111 | * displays hooked up simultaneously, so be warned. See the acpi4asus README |
1112 | * for more info. |
1113 | */ |
1114 | static ssize_t display_store(struct device *dev, struct device_attribute *attr, |
1115 | const char *buf, size_t count) |
1116 | { |
1117 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1118 | int rv, value; |
1119 | |
1120 | rv = kstrtoint(s: buf, base: 0, res: &value); |
1121 | if (rv < 0) |
1122 | return rv; |
1123 | |
1124 | asus_set_display(asus, value); |
1125 | return count; |
1126 | } |
1127 | static DEVICE_ATTR_WO(display); |
1128 | |
1129 | /* |
1130 | * Light Sens |
1131 | */ |
1132 | static void asus_als_switch(struct asus_laptop *asus, int value) |
1133 | { |
1134 | int ret; |
1135 | |
1136 | if (asus->is_pega_lucid) { |
1137 | ret = asus_pega_lucid_set(asus, PEGA_ALS, enable: value); |
1138 | if (!ret) |
1139 | ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, enable: value); |
1140 | } else { |
1141 | ret = write_acpi_int(handle: asus->handle, METHOD_ALS_CONTROL, val: value); |
1142 | } |
1143 | if (ret) |
1144 | pr_warn("Error setting light sensor switch\n" ); |
1145 | |
1146 | asus->light_switch = value; |
1147 | } |
1148 | |
1149 | static ssize_t ls_switch_show(struct device *dev, struct device_attribute *attr, |
1150 | char *buf) |
1151 | { |
1152 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1153 | |
1154 | return sprintf(buf, fmt: "%d\n" , asus->light_switch); |
1155 | } |
1156 | |
1157 | static ssize_t ls_switch_store(struct device *dev, |
1158 | struct device_attribute *attr, const char *buf, |
1159 | size_t count) |
1160 | { |
1161 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1162 | int rv, value; |
1163 | |
1164 | rv = kstrtoint(s: buf, base: 0, res: &value); |
1165 | if (rv < 0) |
1166 | return rv; |
1167 | |
1168 | asus_als_switch(asus, value: value ? 1 : 0); |
1169 | return count; |
1170 | } |
1171 | static DEVICE_ATTR_RW(ls_switch); |
1172 | |
1173 | static void asus_als_level(struct asus_laptop *asus, int value) |
1174 | { |
1175 | if (write_acpi_int(handle: asus->handle, METHOD_ALS_LEVEL, val: value)) |
1176 | pr_warn("Error setting light sensor level\n" ); |
1177 | asus->light_level = value; |
1178 | } |
1179 | |
1180 | static ssize_t ls_level_show(struct device *dev, struct device_attribute *attr, |
1181 | char *buf) |
1182 | { |
1183 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1184 | |
1185 | return sprintf(buf, fmt: "%d\n" , asus->light_level); |
1186 | } |
1187 | |
1188 | static ssize_t ls_level_store(struct device *dev, struct device_attribute *attr, |
1189 | const char *buf, size_t count) |
1190 | { |
1191 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1192 | int rv, value; |
1193 | |
1194 | rv = kstrtoint(s: buf, base: 0, res: &value); |
1195 | if (rv < 0) |
1196 | return rv; |
1197 | |
1198 | value = (0 < value) ? ((15 < value) ? 15 : value) : 0; |
1199 | /* 0 <= value <= 15 */ |
1200 | asus_als_level(asus, value); |
1201 | |
1202 | return count; |
1203 | } |
1204 | static DEVICE_ATTR_RW(ls_level); |
1205 | |
1206 | static int pega_int_read(struct asus_laptop *asus, int arg, int *result) |
1207 | { |
1208 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; |
1209 | int err = write_acpi_int_ret(handle: asus->handle, METHOD_PEGA_READ, val: arg, |
1210 | output: &buffer); |
1211 | if (!err) { |
1212 | union acpi_object *obj = buffer.pointer; |
1213 | if (obj && obj->type == ACPI_TYPE_INTEGER) |
1214 | *result = obj->integer.value; |
1215 | else |
1216 | err = -EIO; |
1217 | } |
1218 | return err; |
1219 | } |
1220 | |
1221 | static ssize_t ls_value_show(struct device *dev, struct device_attribute *attr, |
1222 | char *buf) |
1223 | { |
1224 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1225 | int err, hi, lo; |
1226 | |
1227 | err = pega_int_read(asus, PEGA_READ_ALS_H, result: &hi); |
1228 | if (!err) |
1229 | err = pega_int_read(asus, PEGA_READ_ALS_L, result: &lo); |
1230 | if (!err) |
1231 | return sprintf(buf, fmt: "%d\n" , 10 * hi + lo); |
1232 | return err; |
1233 | } |
1234 | static DEVICE_ATTR_RO(ls_value); |
1235 | |
1236 | /* |
1237 | * GPS |
1238 | */ |
1239 | static int asus_gps_status(struct asus_laptop *asus) |
1240 | { |
1241 | unsigned long long status; |
1242 | acpi_status rv; |
1243 | |
1244 | rv = acpi_evaluate_integer(handle: asus->handle, METHOD_GPS_STATUS, |
1245 | NULL, data: &status); |
1246 | if (ACPI_FAILURE(rv)) { |
1247 | pr_warn("Error reading GPS status\n" ); |
1248 | return -ENODEV; |
1249 | } |
1250 | return !!status; |
1251 | } |
1252 | |
1253 | static int asus_gps_switch(struct asus_laptop *asus, int status) |
1254 | { |
1255 | const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF; |
1256 | |
1257 | if (write_acpi_int(handle: asus->handle, method: meth, val: 0x02)) |
1258 | return -ENODEV; |
1259 | return 0; |
1260 | } |
1261 | |
1262 | static ssize_t gps_show(struct device *dev, struct device_attribute *attr, |
1263 | char *buf) |
1264 | { |
1265 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1266 | |
1267 | return sprintf(buf, fmt: "%d\n" , asus_gps_status(asus)); |
1268 | } |
1269 | |
1270 | static ssize_t gps_store(struct device *dev, struct device_attribute *attr, |
1271 | const char *buf, size_t count) |
1272 | { |
1273 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1274 | int rv, value; |
1275 | int ret; |
1276 | |
1277 | rv = kstrtoint(s: buf, base: 0, res: &value); |
1278 | if (rv < 0) |
1279 | return rv; |
1280 | ret = asus_gps_switch(asus, status: !!value); |
1281 | if (ret) |
1282 | return ret; |
1283 | rfkill_set_sw_state(rfkill: asus->gps.rfkill, blocked: !value); |
1284 | return count; |
1285 | } |
1286 | static DEVICE_ATTR_RW(gps); |
1287 | |
1288 | /* |
1289 | * rfkill |
1290 | */ |
1291 | static int asus_gps_rfkill_set(void *data, bool blocked) |
1292 | { |
1293 | struct asus_laptop *asus = data; |
1294 | |
1295 | return asus_gps_switch(asus, status: !blocked); |
1296 | } |
1297 | |
1298 | static const struct rfkill_ops asus_gps_rfkill_ops = { |
1299 | .set_block = asus_gps_rfkill_set, |
1300 | }; |
1301 | |
1302 | static int asus_rfkill_set(void *data, bool blocked) |
1303 | { |
1304 | struct asus_rfkill *rfk = data; |
1305 | struct asus_laptop *asus = rfk->asus; |
1306 | |
1307 | if (rfk->control_id == WL_RSTS) |
1308 | return asus_wlan_set(asus, status: !blocked); |
1309 | else if (rfk->control_id == BT_RSTS) |
1310 | return asus_bluetooth_set(asus, status: !blocked); |
1311 | else if (rfk->control_id == WM_RSTS) |
1312 | return asus_wimax_set(asus, status: !blocked); |
1313 | else if (rfk->control_id == WW_RSTS) |
1314 | return asus_wwan_set(asus, status: !blocked); |
1315 | |
1316 | return -EINVAL; |
1317 | } |
1318 | |
1319 | static const struct rfkill_ops asus_rfkill_ops = { |
1320 | .set_block = asus_rfkill_set, |
1321 | }; |
1322 | |
1323 | static void asus_rfkill_terminate(struct asus_rfkill *rfk) |
1324 | { |
1325 | if (!rfk->rfkill) |
1326 | return ; |
1327 | |
1328 | rfkill_unregister(rfkill: rfk->rfkill); |
1329 | rfkill_destroy(rfkill: rfk->rfkill); |
1330 | rfk->rfkill = NULL; |
1331 | } |
1332 | |
1333 | static void asus_rfkill_exit(struct asus_laptop *asus) |
1334 | { |
1335 | asus_rfkill_terminate(rfk: &asus->wwan); |
1336 | asus_rfkill_terminate(rfk: &asus->bluetooth); |
1337 | asus_rfkill_terminate(rfk: &asus->wlan); |
1338 | asus_rfkill_terminate(rfk: &asus->gps); |
1339 | } |
1340 | |
1341 | static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk, |
1342 | const char *name, int control_id, int type, |
1343 | const struct rfkill_ops *ops) |
1344 | { |
1345 | int result; |
1346 | |
1347 | rfk->control_id = control_id; |
1348 | rfk->asus = asus; |
1349 | rfk->rfkill = rfkill_alloc(name, parent: &asus->platform_device->dev, |
1350 | type, ops, ops_data: rfk); |
1351 | if (!rfk->rfkill) |
1352 | return -EINVAL; |
1353 | |
1354 | result = rfkill_register(rfkill: rfk->rfkill); |
1355 | if (result) { |
1356 | rfkill_destroy(rfkill: rfk->rfkill); |
1357 | rfk->rfkill = NULL; |
1358 | } |
1359 | |
1360 | return result; |
1361 | } |
1362 | |
1363 | static int asus_rfkill_init(struct asus_laptop *asus) |
1364 | { |
1365 | int result = 0; |
1366 | |
1367 | if (asus->is_pega_lucid) |
1368 | return -ENODEV; |
1369 | |
1370 | if (!acpi_check_handle(handle: asus->handle, METHOD_GPS_ON, NULL) && |
1371 | !acpi_check_handle(handle: asus->handle, METHOD_GPS_OFF, NULL) && |
1372 | !acpi_check_handle(handle: asus->handle, METHOD_GPS_STATUS, NULL)) |
1373 | result = asus_rfkill_setup(asus, rfk: &asus->gps, name: "asus-gps" , |
1374 | control_id: -1, type: RFKILL_TYPE_GPS, |
1375 | ops: &asus_gps_rfkill_ops); |
1376 | if (result) |
1377 | goto exit; |
1378 | |
1379 | |
1380 | if (!acpi_check_handle(handle: asus->handle, METHOD_WLAN, NULL) && |
1381 | asus->wled_type == TYPE_RFKILL) |
1382 | result = asus_rfkill_setup(asus, rfk: &asus->wlan, name: "asus-wlan" , |
1383 | WL_RSTS, type: RFKILL_TYPE_WLAN, |
1384 | ops: &asus_rfkill_ops); |
1385 | if (result) |
1386 | goto exit; |
1387 | |
1388 | if (!acpi_check_handle(handle: asus->handle, METHOD_BLUETOOTH, NULL) && |
1389 | asus->bled_type == TYPE_RFKILL) |
1390 | result = asus_rfkill_setup(asus, rfk: &asus->bluetooth, |
1391 | name: "asus-bluetooth" , BT_RSTS, |
1392 | type: RFKILL_TYPE_BLUETOOTH, |
1393 | ops: &asus_rfkill_ops); |
1394 | if (result) |
1395 | goto exit; |
1396 | |
1397 | if (!acpi_check_handle(handle: asus->handle, METHOD_WWAN, NULL)) |
1398 | result = asus_rfkill_setup(asus, rfk: &asus->wwan, name: "asus-wwan" , |
1399 | WW_RSTS, type: RFKILL_TYPE_WWAN, |
1400 | ops: &asus_rfkill_ops); |
1401 | if (result) |
1402 | goto exit; |
1403 | |
1404 | if (!acpi_check_handle(handle: asus->handle, METHOD_WIMAX, NULL)) |
1405 | result = asus_rfkill_setup(asus, rfk: &asus->wimax, name: "asus-wimax" , |
1406 | WM_RSTS, type: RFKILL_TYPE_WIMAX, |
1407 | ops: &asus_rfkill_ops); |
1408 | if (result) |
1409 | goto exit; |
1410 | |
1411 | exit: |
1412 | if (result) |
1413 | asus_rfkill_exit(asus); |
1414 | |
1415 | return result; |
1416 | } |
1417 | |
1418 | static int pega_rfkill_set(void *data, bool blocked) |
1419 | { |
1420 | struct asus_rfkill *rfk = data; |
1421 | |
1422 | int ret = asus_pega_lucid_set(asus: rfk->asus, unit: rfk->control_id, enable: !blocked); |
1423 | return ret; |
1424 | } |
1425 | |
1426 | static const struct rfkill_ops pega_rfkill_ops = { |
1427 | .set_block = pega_rfkill_set, |
1428 | }; |
1429 | |
1430 | static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk, |
1431 | const char *name, int controlid, int rfkill_type) |
1432 | { |
1433 | return asus_rfkill_setup(asus, rfk, name, control_id: controlid, type: rfkill_type, |
1434 | ops: &pega_rfkill_ops); |
1435 | } |
1436 | |
1437 | static int pega_rfkill_init(struct asus_laptop *asus) |
1438 | { |
1439 | int ret = 0; |
1440 | |
1441 | if(!asus->is_pega_lucid) |
1442 | return -ENODEV; |
1443 | |
1444 | ret = pega_rfkill_setup(asus, rfk: &asus->wlan, name: "pega-wlan" , |
1445 | PEGA_WLAN, rfkill_type: RFKILL_TYPE_WLAN); |
1446 | if(ret) |
1447 | goto exit; |
1448 | |
1449 | ret = pega_rfkill_setup(asus, rfk: &asus->bluetooth, name: "pega-bt" , |
1450 | PEGA_BLUETOOTH, rfkill_type: RFKILL_TYPE_BLUETOOTH); |
1451 | if(ret) |
1452 | goto exit; |
1453 | |
1454 | ret = pega_rfkill_setup(asus, rfk: &asus->wwan, name: "pega-wwan" , |
1455 | PEGA_WWAN, rfkill_type: RFKILL_TYPE_WWAN); |
1456 | |
1457 | exit: |
1458 | if (ret) |
1459 | asus_rfkill_exit(asus); |
1460 | |
1461 | return ret; |
1462 | } |
1463 | |
1464 | /* |
1465 | * Input device (i.e. hotkeys) |
1466 | */ |
1467 | static void asus_input_notify(struct asus_laptop *asus, int event) |
1468 | { |
1469 | if (!asus->inputdev) |
1470 | return ; |
1471 | if (!sparse_keymap_report_event(dev: asus->inputdev, code: event, value: 1, autorelease: true)) |
1472 | pr_info("Unknown key %x pressed\n" , event); |
1473 | } |
1474 | |
1475 | static int asus_input_init(struct asus_laptop *asus) |
1476 | { |
1477 | struct input_dev *input; |
1478 | int error; |
1479 | |
1480 | input = input_allocate_device(); |
1481 | if (!input) |
1482 | return -ENOMEM; |
1483 | |
1484 | input->name = "Asus Laptop extra buttons" ; |
1485 | input->phys = ASUS_LAPTOP_FILE "/input0" ; |
1486 | input->id.bustype = BUS_HOST; |
1487 | input->dev.parent = &asus->platform_device->dev; |
1488 | |
1489 | error = sparse_keymap_setup(dev: input, keymap: asus_keymap, NULL); |
1490 | if (error) { |
1491 | pr_err("Unable to setup input device keymap\n" ); |
1492 | goto err_free_dev; |
1493 | } |
1494 | error = input_register_device(input); |
1495 | if (error) { |
1496 | pr_warn("Unable to register input device\n" ); |
1497 | goto err_free_dev; |
1498 | } |
1499 | |
1500 | asus->inputdev = input; |
1501 | return 0; |
1502 | |
1503 | err_free_dev: |
1504 | input_free_device(dev: input); |
1505 | return error; |
1506 | } |
1507 | |
1508 | static void asus_input_exit(struct asus_laptop *asus) |
1509 | { |
1510 | if (asus->inputdev) |
1511 | input_unregister_device(asus->inputdev); |
1512 | asus->inputdev = NULL; |
1513 | } |
1514 | |
1515 | /* |
1516 | * ACPI driver |
1517 | */ |
1518 | static void asus_acpi_notify(struct acpi_device *device, u32 event) |
1519 | { |
1520 | struct asus_laptop *asus = acpi_driver_data(d: device); |
1521 | u16 count; |
1522 | |
1523 | /* TODO Find a better way to handle events count. */ |
1524 | count = asus->event_count[event % 128]++; |
1525 | acpi_bus_generate_netlink_event(asus->device->pnp.device_class, |
1526 | dev_name(dev: &asus->device->dev), event, |
1527 | count); |
1528 | |
1529 | if (event >= ATKD_BRNUP_MIN && event <= ATKD_BRNUP_MAX) |
1530 | event = ATKD_BRNUP; |
1531 | else if (event >= ATKD_BRNDOWN_MIN && |
1532 | event <= ATKD_BRNDOWN_MAX) |
1533 | event = ATKD_BRNDOWN; |
1534 | |
1535 | /* Brightness events are special */ |
1536 | if (event == ATKD_BRNDOWN || event == ATKD_BRNUP) { |
1537 | if (asus->backlight_device != NULL) { |
1538 | /* Update the backlight device. */ |
1539 | asus_backlight_notify(asus); |
1540 | return ; |
1541 | } |
1542 | } |
1543 | |
1544 | /* Accelerometer "coarse orientation change" event */ |
1545 | if (asus->pega_accel_poll && event == 0xEA) { |
1546 | kobject_uevent(kobj: &asus->pega_accel_poll->dev.kobj, action: KOBJ_CHANGE); |
1547 | return ; |
1548 | } |
1549 | |
1550 | asus_input_notify(asus, event); |
1551 | } |
1552 | |
1553 | static struct attribute *asus_attributes[] = { |
1554 | &dev_attr_infos.attr, |
1555 | &dev_attr_wlan.attr, |
1556 | &dev_attr_bluetooth.attr, |
1557 | &dev_attr_wimax.attr, |
1558 | &dev_attr_wwan.attr, |
1559 | &dev_attr_display.attr, |
1560 | &dev_attr_ledd.attr, |
1561 | &dev_attr_ls_value.attr, |
1562 | &dev_attr_ls_level.attr, |
1563 | &dev_attr_ls_switch.attr, |
1564 | &dev_attr_gps.attr, |
1565 | NULL |
1566 | }; |
1567 | |
1568 | static umode_t asus_sysfs_is_visible(struct kobject *kobj, |
1569 | struct attribute *attr, |
1570 | int idx) |
1571 | { |
1572 | struct device *dev = kobj_to_dev(kobj); |
1573 | struct asus_laptop *asus = dev_get_drvdata(dev); |
1574 | acpi_handle handle = asus->handle; |
1575 | bool supported; |
1576 | |
1577 | if (asus->is_pega_lucid) { |
1578 | /* no ls_level interface on the Lucid */ |
1579 | if (attr == &dev_attr_ls_switch.attr) |
1580 | supported = true; |
1581 | else if (attr == &dev_attr_ls_level.attr) |
1582 | supported = false; |
1583 | else |
1584 | goto normal; |
1585 | |
1586 | return supported ? attr->mode : 0; |
1587 | } |
1588 | |
1589 | normal: |
1590 | if (attr == &dev_attr_wlan.attr) { |
1591 | supported = !acpi_check_handle(handle, METHOD_WLAN, NULL); |
1592 | |
1593 | } else if (attr == &dev_attr_bluetooth.attr) { |
1594 | supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL); |
1595 | |
1596 | } else if (attr == &dev_attr_display.attr) { |
1597 | supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL); |
1598 | |
1599 | } else if (attr == &dev_attr_wimax.attr) { |
1600 | supported = |
1601 | !acpi_check_handle(handle: asus->handle, METHOD_WIMAX, NULL); |
1602 | |
1603 | } else if (attr == &dev_attr_wwan.attr) { |
1604 | supported = !acpi_check_handle(handle: asus->handle, METHOD_WWAN, NULL); |
1605 | |
1606 | } else if (attr == &dev_attr_ledd.attr) { |
1607 | supported = !acpi_check_handle(handle, METHOD_LEDD, NULL); |
1608 | |
1609 | } else if (attr == &dev_attr_ls_switch.attr || |
1610 | attr == &dev_attr_ls_level.attr) { |
1611 | supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) && |
1612 | !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL); |
1613 | } else if (attr == &dev_attr_ls_value.attr) { |
1614 | supported = asus->is_pega_lucid; |
1615 | } else if (attr == &dev_attr_gps.attr) { |
1616 | supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) && |
1617 | !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) && |
1618 | !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL); |
1619 | } else { |
1620 | supported = true; |
1621 | } |
1622 | |
1623 | return supported ? attr->mode : 0; |
1624 | } |
1625 | |
1626 | |
1627 | static const struct attribute_group asus_attr_group = { |
1628 | .is_visible = asus_sysfs_is_visible, |
1629 | .attrs = asus_attributes, |
1630 | }; |
1631 | |
1632 | static int asus_platform_init(struct asus_laptop *asus) |
1633 | { |
1634 | int result; |
1635 | |
1636 | asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, PLATFORM_DEVID_NONE); |
1637 | if (!asus->platform_device) |
1638 | return -ENOMEM; |
1639 | platform_set_drvdata(pdev: asus->platform_device, data: asus); |
1640 | |
1641 | result = platform_device_add(pdev: asus->platform_device); |
1642 | if (result) |
1643 | goto fail_platform_device; |
1644 | |
1645 | result = sysfs_create_group(kobj: &asus->platform_device->dev.kobj, |
1646 | grp: &asus_attr_group); |
1647 | if (result) |
1648 | goto fail_sysfs; |
1649 | |
1650 | return 0; |
1651 | |
1652 | fail_sysfs: |
1653 | platform_device_del(pdev: asus->platform_device); |
1654 | fail_platform_device: |
1655 | platform_device_put(pdev: asus->platform_device); |
1656 | return result; |
1657 | } |
1658 | |
1659 | static void asus_platform_exit(struct asus_laptop *asus) |
1660 | { |
1661 | sysfs_remove_group(kobj: &asus->platform_device->dev.kobj, grp: &asus_attr_group); |
1662 | platform_device_unregister(asus->platform_device); |
1663 | } |
1664 | |
1665 | static struct platform_driver platform_driver = { |
1666 | .driver = { |
1667 | .name = ASUS_LAPTOP_FILE, |
1668 | }, |
1669 | }; |
1670 | |
1671 | /* |
1672 | * This function is used to initialize the context with right values. In this |
1673 | * method, we can make all the detection we want, and modify the asus_laptop |
1674 | * struct |
1675 | */ |
1676 | static int asus_laptop_get_info(struct asus_laptop *asus) |
1677 | { |
1678 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; |
1679 | union acpi_object *model = NULL; |
1680 | unsigned long long bsts_result; |
1681 | char *string = NULL; |
1682 | acpi_status status; |
1683 | |
1684 | /* |
1685 | * Get DSDT headers early enough to allow for differentiating between |
1686 | * models, but late enough to allow acpi_bus_register_driver() to fail |
1687 | * before doing anything ACPI-specific. Should we encounter a machine, |
1688 | * which needs special handling (i.e. its hotkey device has a different |
1689 | * HID), this bit will be moved. |
1690 | */ |
1691 | status = acpi_get_table(ACPI_SIG_DSDT, instance: 1, out_table: &asus->dsdt_info); |
1692 | if (ACPI_FAILURE(status)) |
1693 | pr_warn("Couldn't get the DSDT table header\n" ); |
1694 | |
1695 | /* We have to write 0 on init this far for all ASUS models */ |
1696 | if (write_acpi_int_ret(handle: asus->handle, method: "INIT" , val: 0, output: &buffer)) { |
1697 | pr_err("Hotkey initialization failed\n" ); |
1698 | return -ENODEV; |
1699 | } |
1700 | |
1701 | /* This needs to be called for some laptops to init properly */ |
1702 | status = |
1703 | acpi_evaluate_integer(handle: asus->handle, pathname: "BSTS" , NULL, data: &bsts_result); |
1704 | if (ACPI_FAILURE(status)) |
1705 | pr_warn("Error calling BSTS\n" ); |
1706 | else if (bsts_result) |
1707 | pr_notice("BSTS called, 0x%02x returned\n" , |
1708 | (uint) bsts_result); |
1709 | |
1710 | /* This too ... */ |
1711 | if (write_acpi_int(handle: asus->handle, method: "CWAP" , val: wapf)) |
1712 | pr_err("Error calling CWAP(%d)\n" , wapf); |
1713 | /* |
1714 | * Try to match the object returned by INIT to the specific model. |
1715 | * Handle every possible object (or the lack of thereof) the DSDT |
1716 | * writers might throw at us. When in trouble, we pass NULL to |
1717 | * asus_model_match() and try something completely different. |
1718 | */ |
1719 | if (buffer.pointer) { |
1720 | model = buffer.pointer; |
1721 | switch (model->type) { |
1722 | case ACPI_TYPE_STRING: |
1723 | string = model->string.pointer; |
1724 | break; |
1725 | case ACPI_TYPE_BUFFER: |
1726 | string = model->buffer.pointer; |
1727 | break; |
1728 | default: |
1729 | string = "" ; |
1730 | break; |
1731 | } |
1732 | } |
1733 | asus->name = kstrdup(s: string, GFP_KERNEL); |
1734 | if (!asus->name) { |
1735 | kfree(objp: buffer.pointer); |
1736 | return -ENOMEM; |
1737 | } |
1738 | |
1739 | if (string) |
1740 | pr_notice(" %s model detected\n" , string); |
1741 | |
1742 | if (!acpi_check_handle(handle: asus->handle, METHOD_WL_STATUS, NULL)) |
1743 | asus->have_rsts = true; |
1744 | |
1745 | kfree(objp: model); |
1746 | |
1747 | return AE_OK; |
1748 | } |
1749 | |
1750 | static int asus_acpi_init(struct asus_laptop *asus) |
1751 | { |
1752 | int result = 0; |
1753 | |
1754 | result = acpi_bus_get_status(device: asus->device); |
1755 | if (result) |
1756 | return result; |
1757 | if (!asus->device->status.present) { |
1758 | pr_err("Hotkey device not present, aborting\n" ); |
1759 | return -ENODEV; |
1760 | } |
1761 | |
1762 | result = asus_laptop_get_info(asus); |
1763 | if (result) |
1764 | return result; |
1765 | |
1766 | if (!strcmp(bled_type, "led" )) |
1767 | asus->bled_type = TYPE_LED; |
1768 | else if (!strcmp(bled_type, "rfkill" )) |
1769 | asus->bled_type = TYPE_RFKILL; |
1770 | |
1771 | if (!strcmp(wled_type, "led" )) |
1772 | asus->wled_type = TYPE_LED; |
1773 | else if (!strcmp(wled_type, "rfkill" )) |
1774 | asus->wled_type = TYPE_RFKILL; |
1775 | |
1776 | if (bluetooth_status >= 0) |
1777 | asus_bluetooth_set(asus, status: !!bluetooth_status); |
1778 | |
1779 | if (wlan_status >= 0) |
1780 | asus_wlan_set(asus, status: !!wlan_status); |
1781 | |
1782 | if (wimax_status >= 0) |
1783 | asus_wimax_set(asus, status: !!wimax_status); |
1784 | |
1785 | if (wwan_status >= 0) |
1786 | asus_wwan_set(asus, status: !!wwan_status); |
1787 | |
1788 | /* Keyboard Backlight is on by default */ |
1789 | if (!acpi_check_handle(handle: asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |
1790 | asus_kled_set(asus, kblv: 1); |
1791 | |
1792 | /* LED display is off by default */ |
1793 | asus->ledd_status = 0xFFF; |
1794 | |
1795 | /* Set initial values of light sensor and level */ |
1796 | asus->light_switch = !!als_status; |
1797 | asus->light_level = 5; /* level 5 for sensor sensitivity */ |
1798 | |
1799 | if (asus->is_pega_lucid) { |
1800 | asus_als_switch(asus, value: asus->light_switch); |
1801 | } else if (!acpi_check_handle(handle: asus->handle, METHOD_ALS_CONTROL, NULL) && |
1802 | !acpi_check_handle(handle: asus->handle, METHOD_ALS_LEVEL, NULL)) { |
1803 | asus_als_switch(asus, value: asus->light_switch); |
1804 | asus_als_level(asus, value: asus->light_level); |
1805 | } |
1806 | |
1807 | return result; |
1808 | } |
1809 | |
1810 | static void asus_dmi_check(void) |
1811 | { |
1812 | const char *model; |
1813 | |
1814 | model = dmi_get_system_info(field: DMI_PRODUCT_NAME); |
1815 | if (!model) |
1816 | return; |
1817 | |
1818 | /* On L1400B WLED control the sound card, don't mess with it ... */ |
1819 | if (strncmp(model, "L1400B" , 6) == 0) { |
1820 | wlan_status = -1; |
1821 | } |
1822 | } |
1823 | |
1824 | static bool asus_device_present; |
1825 | |
1826 | static int asus_acpi_add(struct acpi_device *device) |
1827 | { |
1828 | struct asus_laptop *asus; |
1829 | int result; |
1830 | |
1831 | pr_notice("Asus Laptop Support version %s\n" , |
1832 | ASUS_LAPTOP_VERSION); |
1833 | asus = kzalloc(size: sizeof(struct asus_laptop), GFP_KERNEL); |
1834 | if (!asus) |
1835 | return -ENOMEM; |
1836 | asus->handle = device->handle; |
1837 | strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME); |
1838 | strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS); |
1839 | device->driver_data = asus; |
1840 | asus->device = device; |
1841 | |
1842 | asus_dmi_check(); |
1843 | |
1844 | result = asus_acpi_init(asus); |
1845 | if (result) |
1846 | goto fail_platform; |
1847 | |
1848 | /* |
1849 | * Need platform type detection first, then the platform |
1850 | * device. It is used as a parent for the sub-devices below. |
1851 | */ |
1852 | asus->is_pega_lucid = asus_check_pega_lucid(asus); |
1853 | result = asus_platform_init(asus); |
1854 | if (result) |
1855 | goto fail_platform; |
1856 | |
1857 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
1858 | result = asus_backlight_init(asus); |
1859 | if (result) |
1860 | goto fail_backlight; |
1861 | } |
1862 | |
1863 | result = asus_input_init(asus); |
1864 | if (result) |
1865 | goto fail_input; |
1866 | |
1867 | result = asus_led_init(asus); |
1868 | if (result) |
1869 | goto fail_led; |
1870 | |
1871 | result = asus_rfkill_init(asus); |
1872 | if (result && result != -ENODEV) |
1873 | goto fail_rfkill; |
1874 | |
1875 | result = pega_accel_init(asus); |
1876 | if (result && result != -ENODEV) |
1877 | goto fail_pega_accel; |
1878 | |
1879 | result = pega_rfkill_init(asus); |
1880 | if (result && result != -ENODEV) |
1881 | goto fail_pega_rfkill; |
1882 | |
1883 | asus_device_present = true; |
1884 | return 0; |
1885 | |
1886 | fail_pega_rfkill: |
1887 | pega_accel_exit(asus); |
1888 | fail_pega_accel: |
1889 | asus_rfkill_exit(asus); |
1890 | fail_rfkill: |
1891 | asus_led_exit(asus); |
1892 | fail_led: |
1893 | asus_input_exit(asus); |
1894 | fail_input: |
1895 | asus_backlight_exit(asus); |
1896 | fail_backlight: |
1897 | asus_platform_exit(asus); |
1898 | fail_platform: |
1899 | kfree(objp: asus); |
1900 | |
1901 | return result; |
1902 | } |
1903 | |
1904 | static void asus_acpi_remove(struct acpi_device *device) |
1905 | { |
1906 | struct asus_laptop *asus = acpi_driver_data(d: device); |
1907 | |
1908 | asus_backlight_exit(asus); |
1909 | asus_rfkill_exit(asus); |
1910 | asus_led_exit(asus); |
1911 | asus_input_exit(asus); |
1912 | pega_accel_exit(asus); |
1913 | asus_platform_exit(asus); |
1914 | |
1915 | kfree(objp: asus->name); |
1916 | kfree(objp: asus); |
1917 | } |
1918 | |
1919 | static const struct acpi_device_id asus_device_ids[] = { |
1920 | {"ATK0100" , 0}, |
1921 | {"ATK0101" , 0}, |
1922 | {"" , 0}, |
1923 | }; |
1924 | MODULE_DEVICE_TABLE(acpi, asus_device_ids); |
1925 | |
1926 | static struct acpi_driver asus_acpi_driver = { |
1927 | .name = ASUS_LAPTOP_NAME, |
1928 | .class = ASUS_LAPTOP_CLASS, |
1929 | .owner = THIS_MODULE, |
1930 | .ids = asus_device_ids, |
1931 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
1932 | .ops = { |
1933 | .add = asus_acpi_add, |
1934 | .remove = asus_acpi_remove, |
1935 | .notify = asus_acpi_notify, |
1936 | }, |
1937 | }; |
1938 | |
1939 | static int __init asus_laptop_init(void) |
1940 | { |
1941 | int result; |
1942 | |
1943 | result = platform_driver_register(&platform_driver); |
1944 | if (result < 0) |
1945 | return result; |
1946 | |
1947 | result = acpi_bus_register_driver(driver: &asus_acpi_driver); |
1948 | if (result < 0) |
1949 | goto fail_acpi_driver; |
1950 | if (!asus_device_present) { |
1951 | result = -ENODEV; |
1952 | goto fail_no_device; |
1953 | } |
1954 | return 0; |
1955 | |
1956 | fail_no_device: |
1957 | acpi_bus_unregister_driver(driver: &asus_acpi_driver); |
1958 | fail_acpi_driver: |
1959 | platform_driver_unregister(&platform_driver); |
1960 | return result; |
1961 | } |
1962 | |
1963 | static void __exit asus_laptop_exit(void) |
1964 | { |
1965 | acpi_bus_unregister_driver(driver: &asus_acpi_driver); |
1966 | platform_driver_unregister(&platform_driver); |
1967 | } |
1968 | |
1969 | module_init(asus_laptop_init); |
1970 | module_exit(asus_laptop_exit); |
1971 | |