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36
37#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
38
39#include <linux/kernel.h>
40#include <linux/module.h>
41#include <linux/init.h>
42#include <linux/types.h>
43#include <linux/err.h>
44#include <linux/proc_fs.h>
45#include <linux/backlight.h>
46#include <linux/fb.h>
47#include <linux/leds.h>
48#include <linux/platform_device.h>
49#include <linux/uaccess.h>
50#include <linux/input.h>
51#include <linux/input/sparse-keymap.h>
52#include <linux/input-polldev.h>
53#include <linux/rfkill.h>
54#include <linux/slab.h>
55#include <linux/dmi.h>
56#include <linux/acpi.h>
57
58#define ASUS_LAPTOP_VERSION "0.42"
59
60#define ASUS_LAPTOP_NAME "Asus Laptop Support"
61#define ASUS_LAPTOP_CLASS "hotkey"
62#define ASUS_LAPTOP_DEVICE_NAME "Hotkey"
63#define ASUS_LAPTOP_FILE KBUILD_MODNAME
64#define ASUS_LAPTOP_PREFIX "\\_SB.ATKD."
65
66MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
67MODULE_DESCRIPTION(ASUS_LAPTOP_NAME);
68MODULE_LICENSE("GPL");
69
70
71
72
73
74
75
76
77
78
79static uint wapf = 1;
80module_param(wapf, uint, 0444);
81MODULE_PARM_DESC(wapf, "WAPF value");
82
83static char *wled_type = "unknown";
84static char *bled_type = "unknown";
85
86module_param(wled_type, charp, 0444);
87MODULE_PARM_DESC(wled_type, "Set the wled type on boot "
88 "(unknown, led or rfkill). "
89 "default is unknown");
90
91module_param(bled_type, charp, 0444);
92MODULE_PARM_DESC(bled_type, "Set the bled type on boot "
93 "(unknown, led or rfkill). "
94 "default is unknown");
95
96static int wlan_status = 1;
97static int bluetooth_status = 1;
98static int wimax_status = -1;
99static int wwan_status = -1;
100static int als_status;
101
102module_param(wlan_status, int, 0444);
103MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
104 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
105 "default is -1");
106
107module_param(bluetooth_status, int, 0444);
108MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
109 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
110 "default is -1");
111
112module_param(wimax_status, int, 0444);
113MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
114 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
115 "default is -1");
116
117module_param(wwan_status, int, 0444);
118MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
119 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
120 "default is -1");
121
122module_param(als_status, int, 0444);
123MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
124 "(0 = disabled, 1 = enabled). "
125 "default is 0");
126
127
128
129
130#define ATKD_BRNUP_MIN 0x10
131#define ATKD_BRNUP_MAX 0x1f
132#define ATKD_BRNDOWN_MIN 0x20
133#define ATKD_BRNDOWN_MAX 0x2f
134#define ATKD_BRNDOWN 0x20
135#define ATKD_BRNUP 0x2f
136#define ATKD_LCD_ON 0x33
137#define ATKD_LCD_OFF 0x34
138
139
140
141
142#define WL_HWRS 0x80
143#define BT_HWRS 0x100
144
145
146
147
148
149#define WL_RSTS 0x01
150#define BT_RSTS 0x02
151#define WM_RSTS 0x08
152#define WW_RSTS 0x20
153
154
155#define TYPE_UNKNOWN 0
156#define TYPE_LED 1
157#define TYPE_RFKILL 2
158
159
160#define METHOD_MLED "MLED"
161#define METHOD_TLED "TLED"
162#define METHOD_RLED "RLED"
163#define METHOD_PLED "PLED"
164#define METHOD_GLED "GLED"
165
166
167#define METHOD_LEDD "SLCM"
168
169
170
171
172
173
174#define METHOD_WLAN "WLED"
175#define METHOD_BLUETOOTH "BLED"
176
177
178#define METHOD_WWAN "GSMC"
179#define METHOD_WIMAX "WMXC"
180
181#define METHOD_WL_STATUS "RSTS"
182
183
184#define METHOD_BRIGHTNESS_SET "SPLV"
185#define METHOD_BRIGHTNESS_GET "GPLV"
186
187
188#define METHOD_SWITCH_DISPLAY "SDSP"
189
190#define METHOD_ALS_CONTROL "ALSC"
191#define METHOD_ALS_LEVEL "ALSL"
192
193
194
195#define METHOD_GPS_ON "SDON"
196#define METHOD_GPS_OFF "SDOF"
197#define METHOD_GPS_STATUS "GPST"
198
199
200#define METHOD_KBD_LIGHT_SET "SLKB"
201#define METHOD_KBD_LIGHT_GET "GLKB"
202
203
204#define DEVICE_NAME_PEGA "Lucid"
205
206#define METHOD_PEGA_ENABLE "ENPR"
207#define METHOD_PEGA_DISABLE "DAPR"
208#define PEGA_WLAN 0x00
209#define PEGA_BLUETOOTH 0x01
210#define PEGA_WWAN 0x02
211#define PEGA_ALS 0x04
212#define PEGA_ALS_POWER 0x05
213
214#define METHOD_PEGA_READ "RDLN"
215#define PEGA_READ_ALS_H 0x02
216#define PEGA_READ_ALS_L 0x03
217
218#define PEGA_ACCEL_NAME "pega_accel"
219#define PEGA_ACCEL_DESC "Pegatron Lucid Tablet Accelerometer"
220#define METHOD_XLRX "XLRX"
221#define METHOD_XLRY "XLRY"
222#define METHOD_XLRZ "XLRZ"
223#define PEGA_ACC_CLAMP 512
224#define PEGA_ACC_RETRIES 3
225
226
227
228
229struct asus_led {
230 int wk;
231 struct work_struct work;
232 struct led_classdev led;
233 struct asus_laptop *asus;
234 const char *method;
235};
236
237
238
239
240struct asus_rfkill {
241
242 int control_id;
243 struct rfkill *rfkill;
244 struct asus_laptop *asus;
245};
246
247
248
249
250
251struct asus_laptop {
252 char *name;
253
254 struct acpi_table_header *dsdt_info;
255 struct platform_device *platform_device;
256 struct acpi_device *device;
257 struct backlight_device *backlight_device;
258
259 struct input_dev *inputdev;
260 struct key_entry *keymap;
261 struct input_polled_dev *pega_accel_poll;
262
263 struct asus_led wled;
264 struct asus_led bled;
265 struct asus_led mled;
266 struct asus_led tled;
267 struct asus_led rled;
268 struct asus_led pled;
269 struct asus_led gled;
270 struct asus_led kled;
271 struct workqueue_struct *led_workqueue;
272
273 int wled_type;
274 int bled_type;
275 int wireless_status;
276 bool have_rsts;
277 bool is_pega_lucid;
278 bool pega_acc_live;
279 int pega_acc_x;
280 int pega_acc_y;
281 int pega_acc_z;
282
283 struct asus_rfkill wlan;
284 struct asus_rfkill bluetooth;
285 struct asus_rfkill wwan;
286 struct asus_rfkill wimax;
287 struct asus_rfkill gps;
288
289 acpi_handle handle;
290 u32 ledd_status;
291 u8 light_level;
292 u8 light_switch;
293 u16 event_count[128];
294};
295
296static const struct key_entry asus_keymap[] = {
297
298 {KE_KEY, 0x02, { KEY_SCREENLOCK } },
299 {KE_KEY, 0x05, { KEY_WLAN } },
300 {KE_KEY, 0x08, { KEY_F13 } },
301 {KE_KEY, 0x09, { KEY_PROG2 } },
302 {KE_KEY, 0x17, { KEY_ZOOM } },
303 {KE_KEY, 0x1f, { KEY_BATTERY } },
304
305 {KE_KEY, ATKD_BRNDOWN, { KEY_BRIGHTNESSDOWN } },
306 {KE_KEY, ATKD_BRNUP, { KEY_BRIGHTNESSUP } },
307 {KE_KEY, 0x30, { KEY_VOLUMEUP } },
308 {KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
309 {KE_KEY, 0x32, { KEY_MUTE } },
310 {KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } },
311 {KE_KEY, 0x34, { KEY_DISPLAY_OFF } },
312 {KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
313 {KE_KEY, 0x41, { KEY_NEXTSONG } },
314 {KE_KEY, 0x43, { KEY_STOPCD } },
315 {KE_KEY, 0x45, { KEY_PLAYPAUSE } },
316 {KE_KEY, 0x4c, { KEY_MEDIA } },
317 {KE_KEY, 0x50, { KEY_EMAIL } },
318 {KE_KEY, 0x51, { KEY_WWW } },
319 {KE_KEY, 0x55, { KEY_CALC } },
320 {KE_IGNORE, 0x57, },
321 {KE_IGNORE, 0x58, },
322 {KE_KEY, 0x5C, { KEY_SCREENLOCK } },
323 {KE_KEY, 0x5D, { KEY_WLAN } },
324 {KE_KEY, 0x5E, { KEY_WLAN } },
325 {KE_KEY, 0x5F, { KEY_WLAN } },
326 {KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
327 {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } },
328 {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
329 {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
330 {KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } },
331 {KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } },
332 {KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } },
333 {KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } },
334 {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
335 {KE_KEY, 0x6C, { KEY_SLEEP } },
336 {KE_KEY, 0x6D, { KEY_SLEEP } },
337 {KE_IGNORE, 0x6E, },
338 {KE_KEY, 0x7D, { KEY_BLUETOOTH } },
339 {KE_KEY, 0x7E, { KEY_BLUETOOTH } },
340 {KE_KEY, 0x82, { KEY_CAMERA } },
341 {KE_KEY, 0x88, { KEY_RFKILL } },
342 {KE_KEY, 0x8A, { KEY_PROG1 } },
343 {KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } },
344 {KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } },
345 {KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } },
346 {KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } },
347 {KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } },
348 {KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } },
349 {KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } },
350 {KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } },
351 {KE_KEY, 0x95, { KEY_MEDIA } },
352 {KE_KEY, 0x99, { KEY_PHONE } },
353 {KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } },
354 {KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } },
355 {KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } },
356 {KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } },
357 {KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } },
358 {KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } },
359 {KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } },
360 {KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } },
361 {KE_KEY, 0xB5, { KEY_CALC } },
362 {KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
363 {KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
364 {KE_END, 0},
365};
366
367
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369
370
371
372
373
374
375static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
376 struct acpi_buffer *output)
377{
378 struct acpi_object_list params;
379 union acpi_object in_obj;
380 acpi_status status;
381
382 if (!handle)
383 return -1;
384
385 params.count = 1;
386 params.pointer = &in_obj;
387 in_obj.type = ACPI_TYPE_INTEGER;
388 in_obj.integer.value = val;
389
390 status = acpi_evaluate_object(handle, (char *)method, ¶ms, output);
391 if (status == AE_OK)
392 return 0;
393 else
394 return -1;
395}
396
397static int write_acpi_int(acpi_handle handle, const char *method, int val)
398{
399 return write_acpi_int_ret(handle, method, val, NULL);
400}
401
402static int acpi_check_handle(acpi_handle handle, const char *method,
403 acpi_handle *ret)
404{
405 acpi_status status;
406
407 if (method == NULL)
408 return -ENODEV;
409
410 if (ret)
411 status = acpi_get_handle(handle, (char *)method,
412 ret);
413 else {
414 acpi_handle dummy;
415
416 status = acpi_get_handle(handle, (char *)method,
417 &dummy);
418 }
419
420 if (status != AE_OK) {
421 if (ret)
422 pr_warn("Error finding %s\n", method);
423 return -ENODEV;
424 }
425 return 0;
426}
427
428static bool asus_check_pega_lucid(struct asus_laptop *asus)
429{
430 return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
431 !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
432 !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
433 !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
434}
435
436static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable)
437{
438 char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE;
439 return write_acpi_int(asus->handle, method, unit);
440}
441
442static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method)
443{
444 int i, delta;
445 unsigned long long val;
446 for (i = 0; i < PEGA_ACC_RETRIES; i++) {
447 acpi_evaluate_integer(asus->handle, method, NULL, &val);
448
449
450
451
452
453
454
455 delta = abs(curr - (short)val);
456 if (delta < 128 && !(val & ~0xffff))
457 break;
458 }
459 return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);
460}
461
462static void pega_accel_poll(struct input_polled_dev *ipd)
463{
464 struct device *parent = ipd->input->dev.parent;
465 struct asus_laptop *asus = dev_get_drvdata(parent);
466
467
468
469
470
471 if (!asus->pega_acc_live) {
472 asus->pega_acc_live = true;
473 input_report_abs(ipd->input, ABS_X, 0);
474 input_report_abs(ipd->input, ABS_Y, 0);
475 input_report_abs(ipd->input, ABS_Z, 0);
476 input_sync(ipd->input);
477 return;
478 }
479
480 asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);
481 asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);
482 asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);
483
484
485
486
487 input_report_abs(ipd->input, ABS_X, -asus->pega_acc_x);
488 input_report_abs(ipd->input, ABS_Y, -asus->pega_acc_y);
489 input_report_abs(ipd->input, ABS_Z, asus->pega_acc_z);
490 input_sync(ipd->input);
491}
492
493static void pega_accel_exit(struct asus_laptop *asus)
494{
495 if (asus->pega_accel_poll) {
496 input_unregister_polled_device(asus->pega_accel_poll);
497 input_free_polled_device(asus->pega_accel_poll);
498 }
499 asus->pega_accel_poll = NULL;
500}
501
502static int pega_accel_init(struct asus_laptop *asus)
503{
504 int err;
505 struct input_polled_dev *ipd;
506
507 if (!asus->is_pega_lucid)
508 return -ENODEV;
509
510 if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
511 acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
512 acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
513 return -ENODEV;
514
515 ipd = input_allocate_polled_device();
516 if (!ipd)
517 return -ENOMEM;
518
519 ipd->poll = pega_accel_poll;
520 ipd->poll_interval = 125;
521 ipd->poll_interval_min = 50;
522 ipd->poll_interval_max = 2000;
523
524 ipd->input->name = PEGA_ACCEL_DESC;
525 ipd->input->phys = PEGA_ACCEL_NAME "/input0";
526 ipd->input->dev.parent = &asus->platform_device->dev;
527 ipd->input->id.bustype = BUS_HOST;
528
529 set_bit(EV_ABS, ipd->input->evbit);
530 input_set_abs_params(ipd->input, ABS_X,
531 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
532 input_set_abs_params(ipd->input, ABS_Y,
533 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
534 input_set_abs_params(ipd->input, ABS_Z,
535 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
536
537 err = input_register_polled_device(ipd);
538 if (err)
539 goto exit;
540
541 asus->pega_accel_poll = ipd;
542 return 0;
543
544exit:
545 input_free_polled_device(ipd);
546 return err;
547}
548
549
550static int asus_led_set(struct asus_laptop *asus, const char *method,
551 int value)
552{
553 if (!strcmp(method, METHOD_MLED))
554 value = !value;
555 else if (!strcmp(method, METHOD_GLED))
556 value = !value + 1;
557 else
558 value = !!value;
559
560 return write_acpi_int(asus->handle, method, value);
561}
562
563
564
565
566
567static void asus_led_cdev_set(struct led_classdev *led_cdev,
568 enum led_brightness value)
569{
570 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
571 struct asus_laptop *asus = led->asus;
572
573 led->wk = !!value;
574 queue_work(asus->led_workqueue, &led->work);
575}
576
577static void asus_led_cdev_update(struct work_struct *work)
578{
579 struct asus_led *led = container_of(work, struct asus_led, work);
580 struct asus_laptop *asus = led->asus;
581
582 asus_led_set(asus, led->method, led->wk);
583}
584
585static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev)
586{
587 return led_cdev->brightness;
588}
589
590
591
592
593static int asus_kled_lvl(struct asus_laptop *asus)
594{
595 unsigned long long kblv;
596 struct acpi_object_list params;
597 union acpi_object in_obj;
598 acpi_status rv;
599
600 params.count = 1;
601 params.pointer = &in_obj;
602 in_obj.type = ACPI_TYPE_INTEGER;
603 in_obj.integer.value = 2;
604
605 rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,
606 ¶ms, &kblv);
607 if (ACPI_FAILURE(rv)) {
608 pr_warn("Error reading kled level\n");
609 return -ENODEV;
610 }
611 return kblv;
612}
613
614static int asus_kled_set(struct asus_laptop *asus, int kblv)
615{
616 if (kblv > 0)
617 kblv = (1 << 7) | (kblv & 0x7F);
618 else
619 kblv = 0;
620
621 if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {
622 pr_warn("Keyboard LED display write failed\n");
623 return -EINVAL;
624 }
625 return 0;
626}
627
628static void asus_kled_cdev_set(struct led_classdev *led_cdev,
629 enum led_brightness value)
630{
631 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
632 struct asus_laptop *asus = led->asus;
633
634 led->wk = value;
635 queue_work(asus->led_workqueue, &led->work);
636}
637
638static void asus_kled_cdev_update(struct work_struct *work)
639{
640 struct asus_led *led = container_of(work, struct asus_led, work);
641 struct asus_laptop *asus = led->asus;
642
643 asus_kled_set(asus, led->wk);
644}
645
646static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
647{
648 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
649 struct asus_laptop *asus = led->asus;
650
651 return asus_kled_lvl(asus);
652}
653
654static void asus_led_exit(struct asus_laptop *asus)
655{
656 if (!IS_ERR_OR_NULL(asus->wled.led.dev))
657 led_classdev_unregister(&asus->wled.led);
658 if (!IS_ERR_OR_NULL(asus->bled.led.dev))
659 led_classdev_unregister(&asus->bled.led);
660 if (!IS_ERR_OR_NULL(asus->mled.led.dev))
661 led_classdev_unregister(&asus->mled.led);
662 if (!IS_ERR_OR_NULL(asus->tled.led.dev))
663 led_classdev_unregister(&asus->tled.led);
664 if (!IS_ERR_OR_NULL(asus->pled.led.dev))
665 led_classdev_unregister(&asus->pled.led);
666 if (!IS_ERR_OR_NULL(asus->rled.led.dev))
667 led_classdev_unregister(&asus->rled.led);
668 if (!IS_ERR_OR_NULL(asus->gled.led.dev))
669 led_classdev_unregister(&asus->gled.led);
670 if (!IS_ERR_OR_NULL(asus->kled.led.dev))
671 led_classdev_unregister(&asus->kled.led);
672 if (asus->led_workqueue) {
673 destroy_workqueue(asus->led_workqueue);
674 asus->led_workqueue = NULL;
675 }
676}
677
678
679static int asus_led_register(struct asus_laptop *asus,
680 struct asus_led *led,
681 const char *name, const char *method)
682{
683 struct led_classdev *led_cdev = &led->led;
684
685 if (!method || acpi_check_handle(asus->handle, method, NULL))
686 return 0;
687
688 led->asus = asus;
689 led->method = method;
690
691 INIT_WORK(&led->work, asus_led_cdev_update);
692 led_cdev->name = name;
693 led_cdev->brightness_set = asus_led_cdev_set;
694 led_cdev->brightness_get = asus_led_cdev_get;
695 led_cdev->max_brightness = 1;
696 return led_classdev_register(&asus->platform_device->dev, led_cdev);
697}
698
699static int asus_led_init(struct asus_laptop *asus)
700{
701 int r = 0;
702
703
704
705
706
707 if (asus->is_pega_lucid)
708 return 0;
709
710
711
712
713
714
715
716 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
717 if (!asus->led_workqueue)
718 return -ENOMEM;
719
720 if (asus->wled_type == TYPE_LED)
721 r = asus_led_register(asus, &asus->wled, "asus::wlan",
722 METHOD_WLAN);
723 if (r)
724 goto error;
725 if (asus->bled_type == TYPE_LED)
726 r = asus_led_register(asus, &asus->bled, "asus::bluetooth",
727 METHOD_BLUETOOTH);
728 if (r)
729 goto error;
730 r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
731 if (r)
732 goto error;
733 r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
734 if (r)
735 goto error;
736 r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
737 if (r)
738 goto error;
739 r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
740 if (r)
741 goto error;
742 r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
743 if (r)
744 goto error;
745 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
746 !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
747 struct asus_led *led = &asus->kled;
748 struct led_classdev *cdev = &led->led;
749
750 led->asus = asus;
751
752 INIT_WORK(&led->work, asus_kled_cdev_update);
753 cdev->name = "asus::kbd_backlight";
754 cdev->brightness_set = asus_kled_cdev_set;
755 cdev->brightness_get = asus_kled_cdev_get;
756 cdev->max_brightness = 3;
757 r = led_classdev_register(&asus->platform_device->dev, cdev);
758 }
759error:
760 if (r)
761 asus_led_exit(asus);
762 return r;
763}
764
765
766
767
768static int asus_read_brightness(struct backlight_device *bd)
769{
770 struct asus_laptop *asus = bl_get_data(bd);
771 unsigned long long value;
772 acpi_status rv = AE_OK;
773
774 rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,
775 NULL, &value);
776 if (ACPI_FAILURE(rv))
777 pr_warn("Error reading brightness\n");
778
779 return value;
780}
781
782static int asus_set_brightness(struct backlight_device *bd, int value)
783{
784 struct asus_laptop *asus = bl_get_data(bd);
785
786 if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {
787 pr_warn("Error changing brightness\n");
788 return -EIO;
789 }
790 return 0;
791}
792
793static int update_bl_status(struct backlight_device *bd)
794{
795 int value = bd->props.brightness;
796
797 return asus_set_brightness(bd, value);
798}
799
800static const struct backlight_ops asusbl_ops = {
801 .get_brightness = asus_read_brightness,
802 .update_status = update_bl_status,
803};
804
805static int asus_backlight_notify(struct asus_laptop *asus)
806{
807 struct backlight_device *bd = asus->backlight_device;
808 int old = bd->props.brightness;
809
810 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
811
812 return old;
813}
814
815static int asus_backlight_init(struct asus_laptop *asus)
816{
817 struct backlight_device *bd;
818 struct backlight_properties props;
819
820 if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
821 acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
822 return 0;
823
824 memset(&props, 0, sizeof(struct backlight_properties));
825 props.max_brightness = 15;
826 props.type = BACKLIGHT_PLATFORM;
827
828 bd = backlight_device_register(ASUS_LAPTOP_FILE,
829 &asus->platform_device->dev, asus,
830 &asusbl_ops, &props);
831 if (IS_ERR(bd)) {
832 pr_err("Could not register asus backlight device\n");
833 asus->backlight_device = NULL;
834 return PTR_ERR(bd);
835 }
836
837 asus->backlight_device = bd;
838 bd->props.brightness = asus_read_brightness(bd);
839 bd->props.power = FB_BLANK_UNBLANK;
840 backlight_update_status(bd);
841 return 0;
842}
843
844static void asus_backlight_exit(struct asus_laptop *asus)
845{
846 backlight_device_unregister(asus->backlight_device);
847 asus->backlight_device = NULL;
848}
849
850
851
852
853
854
855
856
857
858
859static ssize_t infos_show(struct device *dev, struct device_attribute *attr,
860 char *page)
861{
862 struct asus_laptop *asus = dev_get_drvdata(dev);
863 int len = 0;
864 unsigned long long temp;
865 char buf[16];
866 acpi_status rv = AE_OK;
867
868
869
870
871
872
873 len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
874 len += sprintf(page + len, "Model reference : %s\n", asus->name);
875
876
877
878
879
880
881 rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
882 if (!ACPI_FAILURE(rv))
883 len += sprintf(page + len, "SFUN value : %#x\n",
884 (uint) temp);
885
886
887
888
889
890
891
892
893 rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
894 if (!ACPI_FAILURE(rv))
895 len += sprintf(page + len, "HWRS value : %#x\n",
896 (uint) temp);
897
898
899
900
901
902
903
904 rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
905 if (!ACPI_FAILURE(rv))
906 len += sprintf(page + len, "ASYM value : %#x\n",
907 (uint) temp);
908 if (asus->dsdt_info) {
909 snprintf(buf, 16, "%d", asus->dsdt_info->length);
910 len += sprintf(page + len, "DSDT length : %s\n", buf);
911 snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
912 len += sprintf(page + len, "DSDT checksum : %s\n", buf);
913 snprintf(buf, 16, "%d", asus->dsdt_info->revision);
914 len += sprintf(page + len, "DSDT revision : %s\n", buf);
915 snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
916 len += sprintf(page + len, "OEM id : %s\n", buf);
917 snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
918 len += sprintf(page + len, "OEM table id : %s\n", buf);
919 snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
920 len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
921 snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
922 len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
923 snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
924 len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
925 }
926
927 return len;
928}
929static DEVICE_ATTR_RO(infos);
930
931static int parse_arg(const char *buf, unsigned long count, int *val)
932{
933 if (!count)
934 return 0;
935 if (count > 31)
936 return -EINVAL;
937 if (sscanf(buf, "%i", val) != 1)
938 return -EINVAL;
939 return count;
940}
941
942static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
943 const char *buf, size_t count,
944 const char *method)
945{
946 int rv, value;
947 int out = 0;
948
949 rv = parse_arg(buf, count, &value);
950 if (rv > 0)
951 out = value ? 1 : 0;
952
953 if (write_acpi_int(asus->handle, method, value))
954 return -ENODEV;
955 return rv;
956}
957
958
959
960
961static ssize_t ledd_show(struct device *dev, struct device_attribute *attr,
962 char *buf)
963{
964 struct asus_laptop *asus = dev_get_drvdata(dev);
965
966 return sprintf(buf, "0x%08x\n", asus->ledd_status);
967}
968
969static ssize_t ledd_store(struct device *dev, struct device_attribute *attr,
970 const char *buf, size_t count)
971{
972 struct asus_laptop *asus = dev_get_drvdata(dev);
973 int rv, value;
974
975 rv = parse_arg(buf, count, &value);
976 if (rv > 0) {
977 if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {
978 pr_warn("LED display write failed\n");
979 return -ENODEV;
980 }
981 asus->ledd_status = (u32) value;
982 }
983 return rv;
984}
985static DEVICE_ATTR_RW(ledd);
986
987
988
989
990static int asus_wireless_status(struct asus_laptop *asus, int mask)
991{
992 unsigned long long status;
993 acpi_status rv = AE_OK;
994
995 if (!asus->have_rsts)
996 return (asus->wireless_status & mask) ? 1 : 0;
997
998 rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,
999 NULL, &status);
1000 if (ACPI_FAILURE(rv)) {
1001 pr_warn("Error reading Wireless status\n");
1002 return -EINVAL;
1003 }
1004 return !!(status & mask);
1005}
1006
1007
1008
1009
1010static int asus_wlan_set(struct asus_laptop *asus, int status)
1011{
1012 if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {
1013 pr_warn("Error setting wlan status to %d\n", status);
1014 return -EIO;
1015 }
1016 return 0;
1017}
1018
1019static ssize_t wlan_show(struct device *dev, struct device_attribute *attr,
1020 char *buf)
1021{
1022 struct asus_laptop *asus = dev_get_drvdata(dev);
1023
1024 return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
1025}
1026
1027static ssize_t wlan_store(struct device *dev, struct device_attribute *attr,
1028 const char *buf, size_t count)
1029{
1030 struct asus_laptop *asus = dev_get_drvdata(dev);
1031
1032 return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
1033}
1034static DEVICE_ATTR_RW(wlan);
1035
1036
1037
1038
1039static int asus_bluetooth_set(struct asus_laptop *asus, int status)
1040{
1041 if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {
1042 pr_warn("Error setting bluetooth status to %d\n", status);
1043 return -EIO;
1044 }
1045 return 0;
1046}
1047
1048static ssize_t bluetooth_show(struct device *dev, struct device_attribute *attr,
1049 char *buf)
1050{
1051 struct asus_laptop *asus = dev_get_drvdata(dev);
1052
1053 return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
1054}
1055
1056static ssize_t bluetooth_store(struct device *dev,
1057 struct device_attribute *attr, const char *buf,
1058 size_t count)
1059{
1060 struct asus_laptop *asus = dev_get_drvdata(dev);
1061
1062 return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH);
1063}
1064static DEVICE_ATTR_RW(bluetooth);
1065
1066
1067
1068
1069static int asus_wimax_set(struct asus_laptop *asus, int status)
1070{
1071 if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
1072 pr_warn("Error setting wimax status to %d\n", status);
1073 return -EIO;
1074 }
1075 return 0;
1076}
1077
1078static ssize_t wimax_show(struct device *dev, struct device_attribute *attr,
1079 char *buf)
1080{
1081 struct asus_laptop *asus = dev_get_drvdata(dev);
1082
1083 return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
1084}
1085
1086static ssize_t wimax_store(struct device *dev, struct device_attribute *attr,
1087 const char *buf, size_t count)
1088{
1089 struct asus_laptop *asus = dev_get_drvdata(dev);
1090
1091 return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
1092}
1093static DEVICE_ATTR_RW(wimax);
1094
1095
1096
1097
1098static int asus_wwan_set(struct asus_laptop *asus, int status)
1099{
1100 if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
1101 pr_warn("Error setting wwan status to %d\n", status);
1102 return -EIO;
1103 }
1104 return 0;
1105}
1106
1107static ssize_t wwan_show(struct device *dev, struct device_attribute *attr,
1108 char *buf)
1109{
1110 struct asus_laptop *asus = dev_get_drvdata(dev);
1111
1112 return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
1113}
1114
1115static ssize_t wwan_store(struct device *dev, struct device_attribute *attr,
1116 const char *buf, size_t count)
1117{
1118 struct asus_laptop *asus = dev_get_drvdata(dev);
1119
1120 return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
1121}
1122static DEVICE_ATTR_RW(wwan);
1123
1124
1125
1126
1127static void asus_set_display(struct asus_laptop *asus, int value)
1128{
1129
1130 if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))
1131 pr_warn("Error setting display\n");
1132 return;
1133}
1134
1135
1136
1137
1138
1139
1140
1141
1142static ssize_t display_store(struct device *dev, struct device_attribute *attr,
1143 const char *buf, size_t count)
1144{
1145 struct asus_laptop *asus = dev_get_drvdata(dev);
1146 int rv, value;
1147
1148 rv = parse_arg(buf, count, &value);
1149 if (rv > 0)
1150 asus_set_display(asus, value);
1151 return rv;
1152}
1153static DEVICE_ATTR_WO(display);
1154
1155
1156
1157
1158static void asus_als_switch(struct asus_laptop *asus, int value)
1159{
1160 int ret;
1161
1162 if (asus->is_pega_lucid) {
1163 ret = asus_pega_lucid_set(asus, PEGA_ALS, value);
1164 if (!ret)
1165 ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, value);
1166 } else {
1167 ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
1168 }
1169 if (ret)
1170 pr_warning("Error setting light sensor switch\n");
1171
1172 asus->light_switch = value;
1173}
1174
1175static ssize_t ls_switch_show(struct device *dev, struct device_attribute *attr,
1176 char *buf)
1177{
1178 struct asus_laptop *asus = dev_get_drvdata(dev);
1179
1180 return sprintf(buf, "%d\n", asus->light_switch);
1181}
1182
1183static ssize_t ls_switch_store(struct device *dev,
1184 struct device_attribute *attr, const char *buf,
1185 size_t count)
1186{
1187 struct asus_laptop *asus = dev_get_drvdata(dev);
1188 int rv, value;
1189
1190 rv = parse_arg(buf, count, &value);
1191 if (rv > 0)
1192 asus_als_switch(asus, value ? 1 : 0);
1193
1194 return rv;
1195}
1196static DEVICE_ATTR_RW(ls_switch);
1197
1198static void asus_als_level(struct asus_laptop *asus, int value)
1199{
1200 if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))
1201 pr_warn("Error setting light sensor level\n");
1202 asus->light_level = value;
1203}
1204
1205static ssize_t ls_level_show(struct device *dev, struct device_attribute *attr,
1206 char *buf)
1207{
1208 struct asus_laptop *asus = dev_get_drvdata(dev);
1209
1210 return sprintf(buf, "%d\n", asus->light_level);
1211}
1212
1213static ssize_t ls_level_store(struct device *dev, struct device_attribute *attr,
1214 const char *buf, size_t count)
1215{
1216 struct asus_laptop *asus = dev_get_drvdata(dev);
1217 int rv, value;
1218
1219 rv = parse_arg(buf, count, &value);
1220 if (rv > 0) {
1221 value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
1222
1223 asus_als_level(asus, value);
1224 }
1225
1226 return rv;
1227}
1228static DEVICE_ATTR_RW(ls_level);
1229
1230static int pega_int_read(struct asus_laptop *asus, int arg, int *result)
1231{
1232 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1233 int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,
1234 &buffer);
1235 if (!err) {
1236 union acpi_object *obj = buffer.pointer;
1237 if (obj && obj->type == ACPI_TYPE_INTEGER)
1238 *result = obj->integer.value;
1239 else
1240 err = -EIO;
1241 }
1242 return err;
1243}
1244
1245static ssize_t ls_value_show(struct device *dev, struct device_attribute *attr,
1246 char *buf)
1247{
1248 struct asus_laptop *asus = dev_get_drvdata(dev);
1249 int err, hi, lo;
1250
1251 err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);
1252 if (!err)
1253 err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
1254 if (!err)
1255 return sprintf(buf, "%d\n", 10 * hi + lo);
1256 return err;
1257}
1258static DEVICE_ATTR_RO(ls_value);
1259
1260
1261
1262
1263static int asus_gps_status(struct asus_laptop *asus)
1264{
1265 unsigned long long status;
1266 acpi_status rv = AE_OK;
1267
1268 rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,
1269 NULL, &status);
1270 if (ACPI_FAILURE(rv)) {
1271 pr_warn("Error reading GPS status\n");
1272 return -ENODEV;
1273 }
1274 return !!status;
1275}
1276
1277static int asus_gps_switch(struct asus_laptop *asus, int status)
1278{
1279 const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF;
1280
1281 if (write_acpi_int(asus->handle, meth, 0x02))
1282 return -ENODEV;
1283 return 0;
1284}
1285
1286static ssize_t gps_show(struct device *dev, struct device_attribute *attr,
1287 char *buf)
1288{
1289 struct asus_laptop *asus = dev_get_drvdata(dev);
1290
1291 return sprintf(buf, "%d\n", asus_gps_status(asus));
1292}
1293
1294static ssize_t gps_store(struct device *dev, struct device_attribute *attr,
1295 const char *buf, size_t count)
1296{
1297 struct asus_laptop *asus = dev_get_drvdata(dev);
1298 int rv, value;
1299 int ret;
1300
1301 rv = parse_arg(buf, count, &value);
1302 if (rv <= 0)
1303 return -EINVAL;
1304 ret = asus_gps_switch(asus, !!value);
1305 if (ret)
1306 return ret;
1307 rfkill_set_sw_state(asus->gps.rfkill, !value);
1308 return rv;
1309}
1310static DEVICE_ATTR_RW(gps);
1311
1312
1313
1314
1315static int asus_gps_rfkill_set(void *data, bool blocked)
1316{
1317 struct asus_laptop *asus = data;
1318
1319 return asus_gps_switch(asus, !blocked);
1320}
1321
1322static const struct rfkill_ops asus_gps_rfkill_ops = {
1323 .set_block = asus_gps_rfkill_set,
1324};
1325
1326static int asus_rfkill_set(void *data, bool blocked)
1327{
1328 struct asus_rfkill *rfk = data;
1329 struct asus_laptop *asus = rfk->asus;
1330
1331 if (rfk->control_id == WL_RSTS)
1332 return asus_wlan_set(asus, !blocked);
1333 else if (rfk->control_id == BT_RSTS)
1334 return asus_bluetooth_set(asus, !blocked);
1335 else if (rfk->control_id == WM_RSTS)
1336 return asus_wimax_set(asus, !blocked);
1337 else if (rfk->control_id == WW_RSTS)
1338 return asus_wwan_set(asus, !blocked);
1339
1340 return -EINVAL;
1341}
1342
1343static const struct rfkill_ops asus_rfkill_ops = {
1344 .set_block = asus_rfkill_set,
1345};
1346
1347static void asus_rfkill_terminate(struct asus_rfkill *rfk)
1348{
1349 if (!rfk->rfkill)
1350 return ;
1351
1352 rfkill_unregister(rfk->rfkill);
1353 rfkill_destroy(rfk->rfkill);
1354 rfk->rfkill = NULL;
1355}
1356
1357static void asus_rfkill_exit(struct asus_laptop *asus)
1358{
1359 asus_rfkill_terminate(&asus->wwan);
1360 asus_rfkill_terminate(&asus->bluetooth);
1361 asus_rfkill_terminate(&asus->wlan);
1362 asus_rfkill_terminate(&asus->gps);
1363}
1364
1365static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1366 const char *name, int control_id, int type,
1367 const struct rfkill_ops *ops)
1368{
1369 int result;
1370
1371 rfk->control_id = control_id;
1372 rfk->asus = asus;
1373 rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
1374 type, ops, rfk);
1375 if (!rfk->rfkill)
1376 return -EINVAL;
1377
1378 result = rfkill_register(rfk->rfkill);
1379 if (result) {
1380 rfkill_destroy(rfk->rfkill);
1381 rfk->rfkill = NULL;
1382 }
1383
1384 return result;
1385}
1386
1387static int asus_rfkill_init(struct asus_laptop *asus)
1388{
1389 int result = 0;
1390
1391 if (asus->is_pega_lucid)
1392 return -ENODEV;
1393
1394 if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
1395 !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
1396 !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
1397 result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
1398 -1, RFKILL_TYPE_GPS,
1399 &asus_gps_rfkill_ops);
1400 if (result)
1401 goto exit;
1402
1403
1404 if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
1405 asus->wled_type == TYPE_RFKILL)
1406 result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
1407 WL_RSTS, RFKILL_TYPE_WLAN,
1408 &asus_rfkill_ops);
1409 if (result)
1410 goto exit;
1411
1412 if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
1413 asus->bled_type == TYPE_RFKILL)
1414 result = asus_rfkill_setup(asus, &asus->bluetooth,
1415 "asus-bluetooth", BT_RSTS,
1416 RFKILL_TYPE_BLUETOOTH,
1417 &asus_rfkill_ops);
1418 if (result)
1419 goto exit;
1420
1421 if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
1422 result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
1423 WW_RSTS, RFKILL_TYPE_WWAN,
1424 &asus_rfkill_ops);
1425 if (result)
1426 goto exit;
1427
1428 if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
1429 result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
1430 WM_RSTS, RFKILL_TYPE_WIMAX,
1431 &asus_rfkill_ops);
1432 if (result)
1433 goto exit;
1434
1435exit:
1436 if (result)
1437 asus_rfkill_exit(asus);
1438
1439 return result;
1440}
1441
1442static int pega_rfkill_set(void *data, bool blocked)
1443{
1444 struct asus_rfkill *rfk = data;
1445
1446 int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);
1447 return ret;
1448}
1449
1450static const struct rfkill_ops pega_rfkill_ops = {
1451 .set_block = pega_rfkill_set,
1452};
1453
1454static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1455 const char *name, int controlid, int rfkill_type)
1456{
1457 return asus_rfkill_setup(asus, rfk, name, controlid, rfkill_type,
1458 &pega_rfkill_ops);
1459}
1460
1461static int pega_rfkill_init(struct asus_laptop *asus)
1462{
1463 int ret = 0;
1464
1465 if(!asus->is_pega_lucid)
1466 return -ENODEV;
1467
1468 ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",
1469 PEGA_WLAN, RFKILL_TYPE_WLAN);
1470 if(ret)
1471 goto exit;
1472
1473 ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",
1474 PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
1475 if(ret)
1476 goto exit;
1477
1478 ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",
1479 PEGA_WWAN, RFKILL_TYPE_WWAN);
1480
1481exit:
1482 if (ret)
1483 asus_rfkill_exit(asus);
1484
1485 return ret;
1486}
1487
1488
1489
1490
1491static void asus_input_notify(struct asus_laptop *asus, int event)
1492{
1493 if (!asus->inputdev)
1494 return ;
1495 if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
1496 pr_info("Unknown key %x pressed\n", event);
1497}
1498
1499static int asus_input_init(struct asus_laptop *asus)
1500{
1501 struct input_dev *input;
1502 int error;
1503
1504 input = input_allocate_device();
1505 if (!input)
1506 return -ENOMEM;
1507
1508 input->name = "Asus Laptop extra buttons";
1509 input->phys = ASUS_LAPTOP_FILE "/input0";
1510 input->id.bustype = BUS_HOST;
1511 input->dev.parent = &asus->platform_device->dev;
1512
1513 error = sparse_keymap_setup(input, asus_keymap, NULL);
1514 if (error) {
1515 pr_err("Unable to setup input device keymap\n");
1516 goto err_free_dev;
1517 }
1518 error = input_register_device(input);
1519 if (error) {
1520 pr_warn("Unable to register input device\n");
1521 goto err_free_keymap;
1522 }
1523
1524 asus->inputdev = input;
1525 return 0;
1526
1527err_free_keymap:
1528 sparse_keymap_free(input);
1529err_free_dev:
1530 input_free_device(input);
1531 return error;
1532}
1533
1534static void asus_input_exit(struct asus_laptop *asus)
1535{
1536 if (asus->inputdev) {
1537 sparse_keymap_free(asus->inputdev);
1538 input_unregister_device(asus->inputdev);
1539 }
1540 asus->inputdev = NULL;
1541}
1542
1543
1544
1545
1546static void asus_acpi_notify(struct acpi_device *device, u32 event)
1547{
1548 struct asus_laptop *asus = acpi_driver_data(device);
1549 u16 count;
1550
1551
1552 count = asus->event_count[event % 128]++;
1553 acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
1554 dev_name(&asus->device->dev), event,
1555 count);
1556
1557 if (event >= ATKD_BRNUP_MIN && event <= ATKD_BRNUP_MAX)
1558 event = ATKD_BRNUP;
1559 else if (event >= ATKD_BRNDOWN_MIN &&
1560 event <= ATKD_BRNDOWN_MAX)
1561 event = ATKD_BRNDOWN;
1562
1563
1564 if (event == ATKD_BRNDOWN || event == ATKD_BRNUP) {
1565 if (asus->backlight_device != NULL) {
1566
1567 asus_backlight_notify(asus);
1568 return ;
1569 }
1570 }
1571
1572
1573 if (asus->pega_accel_poll && event == 0xEA) {
1574 kobject_uevent(&asus->pega_accel_poll->input->dev.kobj,
1575 KOBJ_CHANGE);
1576 return ;
1577 }
1578
1579 asus_input_notify(asus, event);
1580}
1581
1582static struct attribute *asus_attributes[] = {
1583 &dev_attr_infos.attr,
1584 &dev_attr_wlan.attr,
1585 &dev_attr_bluetooth.attr,
1586 &dev_attr_wimax.attr,
1587 &dev_attr_wwan.attr,
1588 &dev_attr_display.attr,
1589 &dev_attr_ledd.attr,
1590 &dev_attr_ls_value.attr,
1591 &dev_attr_ls_level.attr,
1592 &dev_attr_ls_switch.attr,
1593 &dev_attr_gps.attr,
1594 NULL
1595};
1596
1597static umode_t asus_sysfs_is_visible(struct kobject *kobj,
1598 struct attribute *attr,
1599 int idx)
1600{
1601 struct device *dev = container_of(kobj, struct device, kobj);
1602 struct platform_device *pdev = to_platform_device(dev);
1603 struct asus_laptop *asus = platform_get_drvdata(pdev);
1604 acpi_handle handle = asus->handle;
1605 bool supported;
1606
1607 if (asus->is_pega_lucid) {
1608
1609 if (attr == &dev_attr_ls_switch.attr)
1610 supported = true;
1611 else if (attr == &dev_attr_ls_level.attr)
1612 supported = false;
1613 else
1614 goto normal;
1615
1616 return supported ? attr->mode : 0;
1617 }
1618
1619normal:
1620 if (attr == &dev_attr_wlan.attr) {
1621 supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
1622
1623 } else if (attr == &dev_attr_bluetooth.attr) {
1624 supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
1625
1626 } else if (attr == &dev_attr_display.attr) {
1627 supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
1628
1629 } else if (attr == &dev_attr_wimax.attr) {
1630 supported =
1631 !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
1632
1633 } else if (attr == &dev_attr_wwan.attr) {
1634 supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
1635
1636 } else if (attr == &dev_attr_ledd.attr) {
1637 supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
1638
1639 } else if (attr == &dev_attr_ls_switch.attr ||
1640 attr == &dev_attr_ls_level.attr) {
1641 supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
1642 !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
1643 } else if (attr == &dev_attr_ls_value.attr) {
1644 supported = asus->is_pega_lucid;
1645 } else if (attr == &dev_attr_gps.attr) {
1646 supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
1647 !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
1648 !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
1649 } else {
1650 supported = true;
1651 }
1652
1653 return supported ? attr->mode : 0;
1654}
1655
1656
1657static const struct attribute_group asus_attr_group = {
1658 .is_visible = asus_sysfs_is_visible,
1659 .attrs = asus_attributes,
1660};
1661
1662static int asus_platform_init(struct asus_laptop *asus)
1663{
1664 int result;
1665
1666 asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1);
1667 if (!asus->platform_device)
1668 return -ENOMEM;
1669 platform_set_drvdata(asus->platform_device, asus);
1670
1671 result = platform_device_add(asus->platform_device);
1672 if (result)
1673 goto fail_platform_device;
1674
1675 result = sysfs_create_group(&asus->platform_device->dev.kobj,
1676 &asus_attr_group);
1677 if (result)
1678 goto fail_sysfs;
1679
1680 return 0;
1681
1682fail_sysfs:
1683 platform_device_del(asus->platform_device);
1684fail_platform_device:
1685 platform_device_put(asus->platform_device);
1686 return result;
1687}
1688
1689static void asus_platform_exit(struct asus_laptop *asus)
1690{
1691 sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);
1692 platform_device_unregister(asus->platform_device);
1693}
1694
1695static struct platform_driver platform_driver = {
1696 .driver = {
1697 .name = ASUS_LAPTOP_FILE,
1698 },
1699};
1700
1701
1702
1703
1704
1705
1706static int asus_laptop_get_info(struct asus_laptop *asus)
1707{
1708 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1709 union acpi_object *model = NULL;
1710 unsigned long long bsts_result;
1711 char *string = NULL;
1712 acpi_status status;
1713
1714
1715
1716
1717
1718
1719
1720
1721 status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
1722 if (ACPI_FAILURE(status))
1723 pr_warn("Couldn't get the DSDT table header\n");
1724
1725
1726 if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
1727 pr_err("Hotkey initialization failed\n");
1728 return -ENODEV;
1729 }
1730
1731
1732 status =
1733 acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
1734 if (ACPI_FAILURE(status))
1735 pr_warn("Error calling BSTS\n");
1736 else if (bsts_result)
1737 pr_notice("BSTS called, 0x%02x returned\n",
1738 (uint) bsts_result);
1739
1740
1741 if (write_acpi_int(asus->handle, "CWAP", wapf))
1742 pr_err("Error calling CWAP(%d)\n", wapf);
1743
1744
1745
1746
1747
1748
1749 if (buffer.pointer) {
1750 model = buffer.pointer;
1751 switch (model->type) {
1752 case ACPI_TYPE_STRING:
1753 string = model->string.pointer;
1754 break;
1755 case ACPI_TYPE_BUFFER:
1756 string = model->buffer.pointer;
1757 break;
1758 default:
1759 string = "";
1760 break;
1761 }
1762 }
1763 asus->name = kstrdup(string, GFP_KERNEL);
1764 if (!asus->name) {
1765 kfree(buffer.pointer);
1766 return -ENOMEM;
1767 }
1768
1769 if (string)
1770 pr_notice(" %s model detected\n", string);
1771
1772 if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
1773 asus->have_rsts = true;
1774
1775 kfree(model);
1776
1777 return AE_OK;
1778}
1779
1780static int asus_acpi_init(struct asus_laptop *asus)
1781{
1782 int result = 0;
1783
1784 result = acpi_bus_get_status(asus->device);
1785 if (result)
1786 return result;
1787 if (!asus->device->status.present) {
1788 pr_err("Hotkey device not present, aborting\n");
1789 return -ENODEV;
1790 }
1791
1792 result = asus_laptop_get_info(asus);
1793 if (result)
1794 return result;
1795
1796 if (!strcmp(bled_type, "led"))
1797 asus->bled_type = TYPE_LED;
1798 else if (!strcmp(bled_type, "rfkill"))
1799 asus->bled_type = TYPE_RFKILL;
1800
1801 if (!strcmp(wled_type, "led"))
1802 asus->wled_type = TYPE_LED;
1803 else if (!strcmp(wled_type, "rfkill"))
1804 asus->wled_type = TYPE_RFKILL;
1805
1806 if (bluetooth_status >= 0)
1807 asus_bluetooth_set(asus, !!bluetooth_status);
1808
1809 if (wlan_status >= 0)
1810 asus_wlan_set(asus, !!wlan_status);
1811
1812 if (wimax_status >= 0)
1813 asus_wimax_set(asus, !!wimax_status);
1814
1815 if (wwan_status >= 0)
1816 asus_wwan_set(asus, !!wwan_status);
1817
1818
1819 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
1820 asus_kled_set(asus, 1);
1821
1822
1823 asus->ledd_status = 0xFFF;
1824
1825
1826 asus->light_switch = !!als_status;
1827 asus->light_level = 5;
1828
1829 if (asus->is_pega_lucid) {
1830 asus_als_switch(asus, asus->light_switch);
1831 } else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
1832 !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
1833 asus_als_switch(asus, asus->light_switch);
1834 asus_als_level(asus, asus->light_level);
1835 }
1836
1837 return result;
1838}
1839
1840static void asus_dmi_check(void)
1841{
1842 const char *model;
1843
1844 model = dmi_get_system_info(DMI_PRODUCT_NAME);
1845 if (!model)
1846 return;
1847
1848
1849 if (strncmp(model, "L1400B", 6) == 0) {
1850 wlan_status = -1;
1851 }
1852}
1853
1854static bool asus_device_present;
1855
1856static int asus_acpi_add(struct acpi_device *device)
1857{
1858 struct asus_laptop *asus;
1859 int result;
1860
1861 pr_notice("Asus Laptop Support version %s\n",
1862 ASUS_LAPTOP_VERSION);
1863 asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL);
1864 if (!asus)
1865 return -ENOMEM;
1866 asus->handle = device->handle;
1867 strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME);
1868 strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS);
1869 device->driver_data = asus;
1870 asus->device = device;
1871
1872 asus_dmi_check();
1873
1874 result = asus_acpi_init(asus);
1875 if (result)
1876 goto fail_platform;
1877
1878
1879
1880
1881
1882 asus->is_pega_lucid = asus_check_pega_lucid(asus);
1883 result = asus_platform_init(asus);
1884 if (result)
1885 goto fail_platform;
1886
1887 if (!acpi_video_backlight_support()) {
1888 result = asus_backlight_init(asus);
1889 if (result)
1890 goto fail_backlight;
1891 } else
1892 pr_info("Backlight controlled by ACPI video driver\n");
1893
1894 result = asus_input_init(asus);
1895 if (result)
1896 goto fail_input;
1897
1898 result = asus_led_init(asus);
1899 if (result)
1900 goto fail_led;
1901
1902 result = asus_rfkill_init(asus);
1903 if (result && result != -ENODEV)
1904 goto fail_rfkill;
1905
1906 result = pega_accel_init(asus);
1907 if (result && result != -ENODEV)
1908 goto fail_pega_accel;
1909
1910 result = pega_rfkill_init(asus);
1911 if (result && result != -ENODEV)
1912 goto fail_pega_rfkill;
1913
1914 asus_device_present = true;
1915 return 0;
1916
1917fail_pega_rfkill:
1918 pega_accel_exit(asus);
1919fail_pega_accel:
1920 asus_rfkill_exit(asus);
1921fail_rfkill:
1922 asus_led_exit(asus);
1923fail_led:
1924 asus_input_exit(asus);
1925fail_input:
1926 asus_backlight_exit(asus);
1927fail_backlight:
1928 asus_platform_exit(asus);
1929fail_platform:
1930 kfree(asus);
1931
1932 return result;
1933}
1934
1935static int asus_acpi_remove(struct acpi_device *device)
1936{
1937 struct asus_laptop *asus = acpi_driver_data(device);
1938
1939 asus_backlight_exit(asus);
1940 asus_rfkill_exit(asus);
1941 asus_led_exit(asus);
1942 asus_input_exit(asus);
1943 pega_accel_exit(asus);
1944 asus_platform_exit(asus);
1945
1946 kfree(asus->name);
1947 kfree(asus);
1948 return 0;
1949}
1950
1951static const struct acpi_device_id asus_device_ids[] = {
1952 {"ATK0100", 0},
1953 {"ATK0101", 0},
1954 {"", 0},
1955};
1956MODULE_DEVICE_TABLE(acpi, asus_device_ids);
1957
1958static struct acpi_driver asus_acpi_driver = {
1959 .name = ASUS_LAPTOP_NAME,
1960 .class = ASUS_LAPTOP_CLASS,
1961 .owner = THIS_MODULE,
1962 .ids = asus_device_ids,
1963 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
1964 .ops = {
1965 .add = asus_acpi_add,
1966 .remove = asus_acpi_remove,
1967 .notify = asus_acpi_notify,
1968 },
1969};
1970
1971static int __init asus_laptop_init(void)
1972{
1973 int result;
1974
1975 result = platform_driver_register(&platform_driver);
1976 if (result < 0)
1977 return result;
1978
1979 result = acpi_bus_register_driver(&asus_acpi_driver);
1980 if (result < 0)
1981 goto fail_acpi_driver;
1982 if (!asus_device_present) {
1983 result = -ENODEV;
1984 goto fail_no_device;
1985 }
1986 return 0;
1987
1988fail_no_device:
1989 acpi_bus_unregister_driver(&asus_acpi_driver);
1990fail_acpi_driver:
1991 platform_driver_unregister(&platform_driver);
1992 return result;
1993}
1994
1995static void __exit asus_laptop_exit(void)
1996{
1997 acpi_bus_unregister_driver(&asus_acpi_driver);
1998 platform_driver_unregister(&platform_driver);
1999}
2000
2001module_init(asus_laptop_init);
2002module_exit(asus_laptop_exit);
2003