1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
55
56#include <linux/module.h>
57#include <linux/kernel.h>
58#include <linux/init.h>
59#include <linux/acpi.h>
60#include <linux/dmi.h>
61#include <linux/backlight.h>
62#include <linux/platform_device.h>
63#include <linux/rfkill.h>
64#include <linux/i8042.h>
65#include <linux/input.h>
66#include <linux/input/sparse-keymap.h>
67
68#define MSI_DRIVER_VERSION "0.5"
69
70#define MSI_LCD_LEVEL_MAX 9
71
72#define MSI_EC_COMMAND_WIRELESS 0x10
73#define MSI_EC_COMMAND_LCD_LEVEL 0x11
74
75#define MSI_STANDARD_EC_COMMAND_ADDRESS 0x2e
76#define MSI_STANDARD_EC_BLUETOOTH_MASK (1 << 0)
77#define MSI_STANDARD_EC_WEBCAM_MASK (1 << 1)
78#define MSI_STANDARD_EC_WLAN_MASK (1 << 3)
79#define MSI_STANDARD_EC_3G_MASK (1 << 4)
80
81
82#define MSI_STANDARD_EC_SCM_LOAD_ADDRESS 0x2d
83#define MSI_STANDARD_EC_SCM_LOAD_MASK (1 << 0)
84
85#define MSI_STANDARD_EC_FUNCTIONS_ADDRESS 0xe4
86
87#define MSI_STANDARD_EC_TURBO_MASK (1 << 1)
88
89#define MSI_STANDARD_EC_ECO_MASK (1 << 3)
90
91#define MSI_STANDARD_EC_TOUCHPAD_MASK (1 << 4)
92
93#define MSI_STANDARD_EC_TURBO_COOLDOWN_MASK (1 << 7)
94
95#define MSI_STANDARD_EC_FAN_ADDRESS 0x33
96
97#define MSI_STANDARD_EC_AUTOFAN_MASK (1 << 0)
98
99#ifdef CONFIG_PM_SLEEP
100static int msi_laptop_resume(struct device *device);
101#endif
102static SIMPLE_DEV_PM_OPS(msi_laptop_pm, NULL, msi_laptop_resume);
103
104#define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS 0x2f
105
106static bool force;
107module_param(force, bool, 0);
108MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
109
110static int auto_brightness;
111module_param(auto_brightness, int, 0);
112MODULE_PARM_DESC(auto_brightness, "Enable automatic brightness control (0: disabled; 1: enabled; 2: don't touch)");
113
114static const struct key_entry msi_laptop_keymap[] = {
115 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
116 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
117 {KE_END, 0}
118};
119
120static struct input_dev *msi_laptop_input_dev;
121
122static int wlan_s, bluetooth_s, threeg_s;
123static int threeg_exists;
124static struct rfkill *rfk_wlan, *rfk_bluetooth, *rfk_threeg;
125
126
127struct quirk_entry {
128 bool old_ec_model;
129
130
131
132
133
134
135
136
137
138
139
140 bool load_scm_model;
141
142
143 bool ec_delay;
144
145
146
147
148
149 bool ec_read_only;
150};
151
152static struct quirk_entry *quirks;
153
154
155
156static int set_lcd_level(int level)
157{
158 u8 buf[2];
159
160 if (level < 0 || level >= MSI_LCD_LEVEL_MAX)
161 return -EINVAL;
162
163 buf[0] = 0x80;
164 buf[1] = (u8) (level*31);
165
166 return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf),
167 NULL, 0);
168}
169
170static int get_lcd_level(void)
171{
172 u8 wdata = 0, rdata;
173 int result;
174
175 result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1,
176 &rdata, 1);
177 if (result < 0)
178 return result;
179
180 return (int) rdata / 31;
181}
182
183static int get_auto_brightness(void)
184{
185 u8 wdata = 4, rdata;
186 int result;
187
188 result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1,
189 &rdata, 1);
190 if (result < 0)
191 return result;
192
193 return !!(rdata & 8);
194}
195
196static int set_auto_brightness(int enable)
197{
198 u8 wdata[2], rdata;
199 int result;
200
201 wdata[0] = 4;
202
203 result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1,
204 &rdata, 1);
205 if (result < 0)
206 return result;
207
208 wdata[0] = 0x84;
209 wdata[1] = (rdata & 0xF7) | (enable ? 8 : 0);
210
211 return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2,
212 NULL, 0);
213}
214
215static ssize_t set_device_state(const char *buf, size_t count, u8 mask)
216{
217 int status;
218 u8 wdata = 0, rdata;
219 int result;
220
221 if (sscanf(buf, "%i", &status) != 1 || (status < 0 || status > 1))
222 return -EINVAL;
223
224 if (quirks->ec_read_only)
225 return -EOPNOTSUPP;
226
227
228 result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
229 if (result < 0)
230 return result;
231
232 if (!!(rdata & mask) != status) {
233
234 if (rdata & mask)
235 wdata = rdata & ~mask;
236 else
237 wdata = rdata | mask;
238
239 result = ec_write(MSI_STANDARD_EC_COMMAND_ADDRESS, wdata);
240 if (result < 0)
241 return result;
242 }
243
244 return count;
245}
246
247static int get_wireless_state(int *wlan, int *bluetooth)
248{
249 u8 wdata = 0, rdata;
250 int result;
251
252 result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1);
253 if (result < 0)
254 return result;
255
256 if (wlan)
257 *wlan = !!(rdata & 8);
258
259 if (bluetooth)
260 *bluetooth = !!(rdata & 128);
261
262 return 0;
263}
264
265static int get_wireless_state_ec_standard(void)
266{
267 u8 rdata;
268 int result;
269
270 result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
271 if (result < 0)
272 return result;
273
274 wlan_s = !!(rdata & MSI_STANDARD_EC_WLAN_MASK);
275
276 bluetooth_s = !!(rdata & MSI_STANDARD_EC_BLUETOOTH_MASK);
277
278 threeg_s = !!(rdata & MSI_STANDARD_EC_3G_MASK);
279
280 return 0;
281}
282
283static int get_threeg_exists(void)
284{
285 u8 rdata;
286 int result;
287
288 result = ec_read(MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS, &rdata);
289 if (result < 0)
290 return result;
291
292 threeg_exists = !!(rdata & MSI_STANDARD_EC_3G_MASK);
293
294 return 0;
295}
296
297
298
299static int bl_get_brightness(struct backlight_device *b)
300{
301 return get_lcd_level();
302}
303
304
305static int bl_update_status(struct backlight_device *b)
306{
307 return set_lcd_level(b->props.brightness);
308}
309
310static const struct backlight_ops msibl_ops = {
311 .get_brightness = bl_get_brightness,
312 .update_status = bl_update_status,
313};
314
315static struct backlight_device *msibl_device;
316
317
318
319static ssize_t show_wlan(struct device *dev,
320 struct device_attribute *attr, char *buf)
321{
322
323 int ret, enabled = 0;
324
325 if (quirks->old_ec_model) {
326 ret = get_wireless_state(&enabled, NULL);
327 } else {
328 ret = get_wireless_state_ec_standard();
329 enabled = wlan_s;
330 }
331 if (ret < 0)
332 return ret;
333
334 return sprintf(buf, "%i\n", enabled);
335}
336
337static ssize_t store_wlan(struct device *dev,
338 struct device_attribute *attr, const char *buf, size_t count)
339{
340 return set_device_state(buf, count, MSI_STANDARD_EC_WLAN_MASK);
341}
342
343static ssize_t show_bluetooth(struct device *dev,
344 struct device_attribute *attr, char *buf)
345{
346
347 int ret, enabled = 0;
348
349 if (quirks->old_ec_model) {
350 ret = get_wireless_state(NULL, &enabled);
351 } else {
352 ret = get_wireless_state_ec_standard();
353 enabled = bluetooth_s;
354 }
355 if (ret < 0)
356 return ret;
357
358 return sprintf(buf, "%i\n", enabled);
359}
360
361static ssize_t store_bluetooth(struct device *dev,
362 struct device_attribute *attr, const char *buf, size_t count)
363{
364 return set_device_state(buf, count, MSI_STANDARD_EC_BLUETOOTH_MASK);
365}
366
367static ssize_t show_threeg(struct device *dev,
368 struct device_attribute *attr, char *buf)
369{
370
371 int ret;
372
373
374 if (quirks->old_ec_model)
375 return -ENODEV;
376
377 ret = get_wireless_state_ec_standard();
378 if (ret < 0)
379 return ret;
380
381 return sprintf(buf, "%i\n", threeg_s);
382}
383
384static ssize_t store_threeg(struct device *dev,
385 struct device_attribute *attr, const char *buf, size_t count)
386{
387 return set_device_state(buf, count, MSI_STANDARD_EC_3G_MASK);
388}
389
390static ssize_t show_lcd_level(struct device *dev,
391 struct device_attribute *attr, char *buf)
392{
393
394 int ret;
395
396 ret = get_lcd_level();
397 if (ret < 0)
398 return ret;
399
400 return sprintf(buf, "%i\n", ret);
401}
402
403static ssize_t store_lcd_level(struct device *dev,
404 struct device_attribute *attr, const char *buf, size_t count)
405{
406
407 int level, ret;
408
409 if (sscanf(buf, "%i", &level) != 1 ||
410 (level < 0 || level >= MSI_LCD_LEVEL_MAX))
411 return -EINVAL;
412
413 ret = set_lcd_level(level);
414 if (ret < 0)
415 return ret;
416
417 return count;
418}
419
420static ssize_t show_auto_brightness(struct device *dev,
421 struct device_attribute *attr, char *buf)
422{
423
424 int ret;
425
426 ret = get_auto_brightness();
427 if (ret < 0)
428 return ret;
429
430 return sprintf(buf, "%i\n", ret);
431}
432
433static ssize_t store_auto_brightness(struct device *dev,
434 struct device_attribute *attr, const char *buf, size_t count)
435{
436
437 int enable, ret;
438
439 if (sscanf(buf, "%i", &enable) != 1 || (enable != (enable & 1)))
440 return -EINVAL;
441
442 ret = set_auto_brightness(enable);
443 if (ret < 0)
444 return ret;
445
446 return count;
447}
448
449static ssize_t show_touchpad(struct device *dev,
450 struct device_attribute *attr, char *buf)
451{
452
453 u8 rdata;
454 int result;
455
456 result = ec_read(MSI_STANDARD_EC_FUNCTIONS_ADDRESS, &rdata);
457 if (result < 0)
458 return result;
459
460 return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK));
461}
462
463static ssize_t show_turbo(struct device *dev,
464 struct device_attribute *attr, char *buf)
465{
466
467 u8 rdata;
468 int result;
469
470 result = ec_read(MSI_STANDARD_EC_FUNCTIONS_ADDRESS, &rdata);
471 if (result < 0)
472 return result;
473
474 return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TURBO_MASK));
475}
476
477static ssize_t show_eco(struct device *dev,
478 struct device_attribute *attr, char *buf)
479{
480
481 u8 rdata;
482 int result;
483
484 result = ec_read(MSI_STANDARD_EC_FUNCTIONS_ADDRESS, &rdata);
485 if (result < 0)
486 return result;
487
488 return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_ECO_MASK));
489}
490
491static ssize_t show_turbo_cooldown(struct device *dev,
492 struct device_attribute *attr, char *buf)
493{
494
495 u8 rdata;
496 int result;
497
498 result = ec_read(MSI_STANDARD_EC_FUNCTIONS_ADDRESS, &rdata);
499 if (result < 0)
500 return result;
501
502 return sprintf(buf, "%i\n", (!!(rdata & MSI_STANDARD_EC_TURBO_MASK)) |
503 (!!(rdata & MSI_STANDARD_EC_TURBO_COOLDOWN_MASK) << 1));
504}
505
506static ssize_t show_auto_fan(struct device *dev,
507 struct device_attribute *attr, char *buf)
508{
509
510 u8 rdata;
511 int result;
512
513 result = ec_read(MSI_STANDARD_EC_FAN_ADDRESS, &rdata);
514 if (result < 0)
515 return result;
516
517 return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_AUTOFAN_MASK));
518}
519
520static ssize_t store_auto_fan(struct device *dev,
521 struct device_attribute *attr, const char *buf, size_t count)
522{
523
524 int enable, result;
525
526 if (sscanf(buf, "%i", &enable) != 1 || (enable != (enable & 1)))
527 return -EINVAL;
528
529 result = ec_write(MSI_STANDARD_EC_FAN_ADDRESS, enable);
530 if (result < 0)
531 return result;
532
533 return count;
534}
535
536static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
537static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness,
538 store_auto_brightness);
539static DEVICE_ATTR(bluetooth, 0444, show_bluetooth, NULL);
540static DEVICE_ATTR(wlan, 0444, show_wlan, NULL);
541static DEVICE_ATTR(threeg, 0444, show_threeg, NULL);
542static DEVICE_ATTR(touchpad, 0444, show_touchpad, NULL);
543static DEVICE_ATTR(turbo_mode, 0444, show_turbo, NULL);
544static DEVICE_ATTR(eco_mode, 0444, show_eco, NULL);
545static DEVICE_ATTR(turbo_cooldown, 0444, show_turbo_cooldown, NULL);
546static DEVICE_ATTR(auto_fan, 0644, show_auto_fan, store_auto_fan);
547
548static struct attribute *msipf_attributes[] = {
549 &dev_attr_bluetooth.attr,
550 &dev_attr_wlan.attr,
551 &dev_attr_touchpad.attr,
552 &dev_attr_turbo_mode.attr,
553 &dev_attr_eco_mode.attr,
554 &dev_attr_turbo_cooldown.attr,
555 &dev_attr_auto_fan.attr,
556 NULL
557};
558
559static struct attribute *msipf_old_attributes[] = {
560 &dev_attr_lcd_level.attr,
561 &dev_attr_auto_brightness.attr,
562 NULL
563};
564
565static struct attribute_group msipf_attribute_group = {
566 .attrs = msipf_attributes
567};
568
569static struct attribute_group msipf_old_attribute_group = {
570 .attrs = msipf_old_attributes
571};
572
573static struct platform_driver msipf_driver = {
574 .driver = {
575 .name = "msi-laptop-pf",
576 .owner = THIS_MODULE,
577 .pm = &msi_laptop_pm,
578 },
579};
580
581static struct platform_device *msipf_device;
582
583
584
585static struct quirk_entry quirk_old_ec_model = {
586 .old_ec_model = true,
587};
588
589static struct quirk_entry quirk_load_scm_model = {
590 .load_scm_model = true,
591 .ec_delay = true,
592};
593
594static struct quirk_entry quirk_load_scm_ro_model = {
595 .load_scm_model = true,
596 .ec_read_only = true,
597};
598
599static int dmi_check_cb(const struct dmi_system_id *dmi)
600{
601 pr_info("Identified laptop model '%s'\n", dmi->ident);
602
603 quirks = dmi->driver_data;
604
605 return 1;
606}
607
608static struct dmi_system_id __initdata msi_dmi_table[] = {
609 {
610 .ident = "MSI S270",
611 .matches = {
612 DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD"),
613 DMI_MATCH(DMI_PRODUCT_NAME, "MS-1013"),
614 DMI_MATCH(DMI_PRODUCT_VERSION, "0131"),
615 DMI_MATCH(DMI_CHASSIS_VENDOR,
616 "MICRO-STAR INT'L CO.,LTD")
617 },
618 .driver_data = &quirk_old_ec_model,
619 .callback = dmi_check_cb
620 },
621 {
622 .ident = "MSI S271",
623 .matches = {
624 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
625 DMI_MATCH(DMI_PRODUCT_NAME, "MS-1058"),
626 DMI_MATCH(DMI_PRODUCT_VERSION, "0581"),
627 DMI_MATCH(DMI_BOARD_NAME, "MS-1058")
628 },
629 .driver_data = &quirk_old_ec_model,
630 .callback = dmi_check_cb
631 },
632 {
633 .ident = "MSI S420",
634 .matches = {
635 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
636 DMI_MATCH(DMI_PRODUCT_NAME, "MS-1412"),
637 DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
638 DMI_MATCH(DMI_BOARD_NAME, "MS-1412")
639 },
640 .driver_data = &quirk_old_ec_model,
641 .callback = dmi_check_cb
642 },
643 {
644 .ident = "Medion MD96100",
645 .matches = {
646 DMI_MATCH(DMI_SYS_VENDOR, "NOTEBOOK"),
647 DMI_MATCH(DMI_PRODUCT_NAME, "SAM2000"),
648 DMI_MATCH(DMI_PRODUCT_VERSION, "0131"),
649 DMI_MATCH(DMI_CHASSIS_VENDOR,
650 "MICRO-STAR INT'L CO.,LTD")
651 },
652 .driver_data = &quirk_old_ec_model,
653 .callback = dmi_check_cb
654 },
655 {
656 .ident = "MSI N034",
657 .matches = {
658 DMI_MATCH(DMI_SYS_VENDOR,
659 "MICRO-STAR INTERNATIONAL CO., LTD"),
660 DMI_MATCH(DMI_PRODUCT_NAME, "MS-N034"),
661 DMI_MATCH(DMI_CHASSIS_VENDOR,
662 "MICRO-STAR INTERNATIONAL CO., LTD")
663 },
664 .driver_data = &quirk_load_scm_model,
665 .callback = dmi_check_cb
666 },
667 {
668 .ident = "MSI N051",
669 .matches = {
670 DMI_MATCH(DMI_SYS_VENDOR,
671 "MICRO-STAR INTERNATIONAL CO., LTD"),
672 DMI_MATCH(DMI_PRODUCT_NAME, "MS-N051"),
673 DMI_MATCH(DMI_CHASSIS_VENDOR,
674 "MICRO-STAR INTERNATIONAL CO., LTD")
675 },
676 .driver_data = &quirk_load_scm_model,
677 .callback = dmi_check_cb
678 },
679 {
680 .ident = "MSI N014",
681 .matches = {
682 DMI_MATCH(DMI_SYS_VENDOR,
683 "MICRO-STAR INTERNATIONAL CO., LTD"),
684 DMI_MATCH(DMI_PRODUCT_NAME, "MS-N014"),
685 },
686 .driver_data = &quirk_load_scm_model,
687 .callback = dmi_check_cb
688 },
689 {
690 .ident = "MSI CR620",
691 .matches = {
692 DMI_MATCH(DMI_SYS_VENDOR,
693 "Micro-Star International"),
694 DMI_MATCH(DMI_PRODUCT_NAME, "CR620"),
695 },
696 .driver_data = &quirk_load_scm_model,
697 .callback = dmi_check_cb
698 },
699 {
700 .ident = "MSI U270",
701 .matches = {
702 DMI_MATCH(DMI_SYS_VENDOR,
703 "Micro-Star International Co., Ltd."),
704 DMI_MATCH(DMI_PRODUCT_NAME, "U270 series"),
705 },
706 .driver_data = &quirk_load_scm_model,
707 .callback = dmi_check_cb
708 },
709 {
710 .ident = "MSI U90/U100",
711 .matches = {
712 DMI_MATCH(DMI_SYS_VENDOR,
713 "MICRO-STAR INTERNATIONAL CO., LTD"),
714 DMI_MATCH(DMI_PRODUCT_NAME, "U90/U100"),
715 },
716 .driver_data = &quirk_load_scm_ro_model,
717 .callback = dmi_check_cb
718 },
719 { }
720};
721
722static int rfkill_bluetooth_set(void *data, bool blocked)
723{
724
725
726
727
728
729 int result = set_device_state(blocked ? "0" : "1", 0,
730 MSI_STANDARD_EC_BLUETOOTH_MASK);
731
732 return min(result, 0);
733}
734
735static int rfkill_wlan_set(void *data, bool blocked)
736{
737 int result = set_device_state(blocked ? "0" : "1", 0,
738 MSI_STANDARD_EC_WLAN_MASK);
739
740 return min(result, 0);
741}
742
743static int rfkill_threeg_set(void *data, bool blocked)
744{
745 int result = set_device_state(blocked ? "0" : "1", 0,
746 MSI_STANDARD_EC_3G_MASK);
747
748 return min(result, 0);
749}
750
751static const struct rfkill_ops rfkill_bluetooth_ops = {
752 .set_block = rfkill_bluetooth_set
753};
754
755static const struct rfkill_ops rfkill_wlan_ops = {
756 .set_block = rfkill_wlan_set
757};
758
759static const struct rfkill_ops rfkill_threeg_ops = {
760 .set_block = rfkill_threeg_set
761};
762
763static void rfkill_cleanup(void)
764{
765 if (rfk_bluetooth) {
766 rfkill_unregister(rfk_bluetooth);
767 rfkill_destroy(rfk_bluetooth);
768 }
769
770 if (rfk_threeg) {
771 rfkill_unregister(rfk_threeg);
772 rfkill_destroy(rfk_threeg);
773 }
774
775 if (rfk_wlan) {
776 rfkill_unregister(rfk_wlan);
777 rfkill_destroy(rfk_wlan);
778 }
779}
780
781static bool msi_rfkill_set_state(struct rfkill *rfkill, bool blocked)
782{
783 if (quirks->ec_read_only)
784 return rfkill_set_hw_state(rfkill, blocked);
785 else
786 return rfkill_set_sw_state(rfkill, blocked);
787}
788
789static void msi_update_rfkill(struct work_struct *ignored)
790{
791 get_wireless_state_ec_standard();
792
793 if (rfk_wlan)
794 msi_rfkill_set_state(rfk_wlan, !wlan_s);
795 if (rfk_bluetooth)
796 msi_rfkill_set_state(rfk_bluetooth, !bluetooth_s);
797 if (rfk_threeg)
798 msi_rfkill_set_state(rfk_threeg, !threeg_s);
799}
800static DECLARE_DELAYED_WORK(msi_rfkill_dwork, msi_update_rfkill);
801static DECLARE_WORK(msi_rfkill_work, msi_update_rfkill);
802
803static void msi_send_touchpad_key(struct work_struct *ignored)
804{
805 u8 rdata;
806 int result;
807
808 result = ec_read(MSI_STANDARD_EC_FUNCTIONS_ADDRESS, &rdata);
809 if (result < 0)
810 return;
811
812 sparse_keymap_report_event(msi_laptop_input_dev,
813 (rdata & MSI_STANDARD_EC_TOUCHPAD_MASK) ?
814 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF, 1, true);
815}
816static DECLARE_DELAYED_WORK(msi_touchpad_dwork, msi_send_touchpad_key);
817static DECLARE_WORK(msi_touchpad_work, msi_send_touchpad_key);
818
819static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str,
820 struct serio *port)
821{
822 static bool extended;
823
824 if (str & 0x20)
825 return false;
826
827
828 if (unlikely(data == 0xe0)) {
829 extended = true;
830 return false;
831 } else if (unlikely(extended)) {
832 extended = false;
833 switch (data) {
834 case 0xE4:
835 if (quirks->ec_delay) {
836 schedule_delayed_work(&msi_touchpad_dwork,
837 round_jiffies_relative(0.5 * HZ));
838 } else
839 schedule_work(&msi_touchpad_work);
840 break;
841 case 0x54:
842 case 0x62:
843 case 0x76:
844 if (quirks->ec_delay) {
845 schedule_delayed_work(&msi_rfkill_dwork,
846 round_jiffies_relative(0.5 * HZ));
847 } else
848 schedule_work(&msi_rfkill_work);
849 break;
850 }
851 }
852
853 return false;
854}
855
856static void msi_init_rfkill(struct work_struct *ignored)
857{
858 if (rfk_wlan) {
859 rfkill_set_sw_state(rfk_wlan, !wlan_s);
860 rfkill_wlan_set(NULL, !wlan_s);
861 }
862 if (rfk_bluetooth) {
863 rfkill_set_sw_state(rfk_bluetooth, !bluetooth_s);
864 rfkill_bluetooth_set(NULL, !bluetooth_s);
865 }
866 if (rfk_threeg) {
867 rfkill_set_sw_state(rfk_threeg, !threeg_s);
868 rfkill_threeg_set(NULL, !threeg_s);
869 }
870}
871static DECLARE_DELAYED_WORK(msi_rfkill_init, msi_init_rfkill);
872
873static int rfkill_init(struct platform_device *sdev)
874{
875
876 int retval;
877
878
879 get_wireless_state_ec_standard();
880
881 rfk_bluetooth = rfkill_alloc("msi-bluetooth", &sdev->dev,
882 RFKILL_TYPE_BLUETOOTH,
883 &rfkill_bluetooth_ops, NULL);
884 if (!rfk_bluetooth) {
885 retval = -ENOMEM;
886 goto err_bluetooth;
887 }
888 retval = rfkill_register(rfk_bluetooth);
889 if (retval)
890 goto err_bluetooth;
891
892 rfk_wlan = rfkill_alloc("msi-wlan", &sdev->dev, RFKILL_TYPE_WLAN,
893 &rfkill_wlan_ops, NULL);
894 if (!rfk_wlan) {
895 retval = -ENOMEM;
896 goto err_wlan;
897 }
898 retval = rfkill_register(rfk_wlan);
899 if (retval)
900 goto err_wlan;
901
902 if (threeg_exists) {
903 rfk_threeg = rfkill_alloc("msi-threeg", &sdev->dev,
904 RFKILL_TYPE_WWAN, &rfkill_threeg_ops, NULL);
905 if (!rfk_threeg) {
906 retval = -ENOMEM;
907 goto err_threeg;
908 }
909 retval = rfkill_register(rfk_threeg);
910 if (retval)
911 goto err_threeg;
912 }
913
914
915 if (quirks->ec_delay) {
916 schedule_delayed_work(&msi_rfkill_init,
917 round_jiffies_relative(1 * HZ));
918 } else
919 schedule_work(&msi_rfkill_work);
920
921 return 0;
922
923err_threeg:
924 rfkill_destroy(rfk_threeg);
925 if (rfk_wlan)
926 rfkill_unregister(rfk_wlan);
927err_wlan:
928 rfkill_destroy(rfk_wlan);
929 if (rfk_bluetooth)
930 rfkill_unregister(rfk_bluetooth);
931err_bluetooth:
932 rfkill_destroy(rfk_bluetooth);
933
934 return retval;
935}
936
937#ifdef CONFIG_PM_SLEEP
938static int msi_laptop_resume(struct device *device)
939{
940 u8 data;
941 int result;
942
943 if (!quirks->load_scm_model)
944 return 0;
945
946
947 result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data);
948 if (result < 0)
949 return result;
950
951 result = ec_write(MSI_STANDARD_EC_SCM_LOAD_ADDRESS,
952 data | MSI_STANDARD_EC_SCM_LOAD_MASK);
953 if (result < 0)
954 return result;
955
956 return 0;
957}
958#endif
959
960static int __init msi_laptop_input_setup(void)
961{
962 int err;
963
964 msi_laptop_input_dev = input_allocate_device();
965 if (!msi_laptop_input_dev)
966 return -ENOMEM;
967
968 msi_laptop_input_dev->name = "MSI Laptop hotkeys";
969 msi_laptop_input_dev->phys = "msi-laptop/input0";
970 msi_laptop_input_dev->id.bustype = BUS_HOST;
971
972 err = sparse_keymap_setup(msi_laptop_input_dev,
973 msi_laptop_keymap, NULL);
974 if (err)
975 goto err_free_dev;
976
977 err = input_register_device(msi_laptop_input_dev);
978 if (err)
979 goto err_free_keymap;
980
981 return 0;
982
983err_free_keymap:
984 sparse_keymap_free(msi_laptop_input_dev);
985err_free_dev:
986 input_free_device(msi_laptop_input_dev);
987 return err;
988}
989
990static void msi_laptop_input_destroy(void)
991{
992 sparse_keymap_free(msi_laptop_input_dev);
993 input_unregister_device(msi_laptop_input_dev);
994}
995
996static int __init load_scm_model_init(struct platform_device *sdev)
997{
998 u8 data;
999 int result;
1000
1001 if (!quirks->ec_read_only) {
1002
1003 dev_attr_bluetooth.store = store_bluetooth;
1004 dev_attr_wlan.store = store_wlan;
1005 dev_attr_threeg.store = store_threeg;
1006 dev_attr_bluetooth.attr.mode |= S_IWUSR;
1007 dev_attr_wlan.attr.mode |= S_IWUSR;
1008 dev_attr_threeg.attr.mode |= S_IWUSR;
1009 }
1010
1011
1012 result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data);
1013 if (result < 0)
1014 return result;
1015
1016 result = ec_write(MSI_STANDARD_EC_SCM_LOAD_ADDRESS,
1017 data | MSI_STANDARD_EC_SCM_LOAD_MASK);
1018 if (result < 0)
1019 return result;
1020
1021
1022 result = rfkill_init(sdev);
1023 if (result < 0)
1024 goto fail_rfkill;
1025
1026
1027 result = msi_laptop_input_setup();
1028 if (result)
1029 goto fail_input;
1030
1031 result = i8042_install_filter(msi_laptop_i8042_filter);
1032 if (result) {
1033 pr_err("Unable to install key filter\n");
1034 goto fail_filter;
1035 }
1036
1037 return 0;
1038
1039fail_filter:
1040 msi_laptop_input_destroy();
1041
1042fail_input:
1043 rfkill_cleanup();
1044
1045fail_rfkill:
1046
1047 return result;
1048
1049}
1050
1051static int __init msi_init(void)
1052{
1053 int ret;
1054
1055 if (acpi_disabled)
1056 return -ENODEV;
1057
1058 dmi_check_system(msi_dmi_table);
1059 if (!quirks)
1060
1061 quirks = &quirk_load_scm_model;
1062 if (force)
1063 quirks = &quirk_old_ec_model;
1064
1065 if (!quirks->old_ec_model)
1066 get_threeg_exists();
1067
1068 if (auto_brightness < 0 || auto_brightness > 2)
1069 return -EINVAL;
1070
1071
1072
1073 if (!quirks->old_ec_model || acpi_video_backlight_support()) {
1074 pr_info("Brightness ignored, must be controlled by ACPI video driver\n");
1075 } else {
1076 struct backlight_properties props;
1077 memset(&props, 0, sizeof(struct backlight_properties));
1078 props.type = BACKLIGHT_PLATFORM;
1079 props.max_brightness = MSI_LCD_LEVEL_MAX - 1;
1080 msibl_device = backlight_device_register("msi-laptop-bl", NULL,
1081 NULL, &msibl_ops,
1082 &props);
1083 if (IS_ERR(msibl_device))
1084 return PTR_ERR(msibl_device);
1085 }
1086
1087 ret = platform_driver_register(&msipf_driver);
1088 if (ret)
1089 goto fail_backlight;
1090
1091
1092
1093 msipf_device = platform_device_alloc("msi-laptop-pf", -1);
1094 if (!msipf_device) {
1095 ret = -ENOMEM;
1096 goto fail_platform_driver;
1097 }
1098
1099 ret = platform_device_add(msipf_device);
1100 if (ret)
1101 goto fail_device_add;
1102
1103 if (quirks->load_scm_model && (load_scm_model_init(msipf_device) < 0)) {
1104 ret = -EINVAL;
1105 goto fail_scm_model_init;
1106 }
1107
1108 ret = sysfs_create_group(&msipf_device->dev.kobj,
1109 &msipf_attribute_group);
1110 if (ret)
1111 goto fail_create_group;
1112
1113 if (!quirks->old_ec_model) {
1114 if (threeg_exists)
1115 ret = device_create_file(&msipf_device->dev,
1116 &dev_attr_threeg);
1117 if (ret)
1118 goto fail_create_attr;
1119 } else {
1120 ret = sysfs_create_group(&msipf_device->dev.kobj,
1121 &msipf_old_attribute_group);
1122 if (ret)
1123 goto fail_create_attr;
1124
1125
1126
1127
1128
1129 if (auto_brightness != 2)
1130 set_auto_brightness(auto_brightness);
1131 }
1132
1133 pr_info("driver " MSI_DRIVER_VERSION " successfully loaded\n");
1134
1135 return 0;
1136
1137fail_create_attr:
1138 sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);
1139fail_create_group:
1140 if (quirks->load_scm_model) {
1141 i8042_remove_filter(msi_laptop_i8042_filter);
1142 cancel_delayed_work_sync(&msi_rfkill_dwork);
1143 cancel_work_sync(&msi_rfkill_work);
1144 rfkill_cleanup();
1145 }
1146fail_scm_model_init:
1147 platform_device_del(msipf_device);
1148fail_device_add:
1149 platform_device_put(msipf_device);
1150fail_platform_driver:
1151 platform_driver_unregister(&msipf_driver);
1152fail_backlight:
1153 backlight_device_unregister(msibl_device);
1154
1155 return ret;
1156}
1157
1158static void __exit msi_cleanup(void)
1159{
1160 if (quirks->load_scm_model) {
1161 i8042_remove_filter(msi_laptop_i8042_filter);
1162 msi_laptop_input_destroy();
1163 cancel_delayed_work_sync(&msi_rfkill_dwork);
1164 cancel_work_sync(&msi_rfkill_work);
1165 rfkill_cleanup();
1166 }
1167
1168 sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);
1169 if (!quirks->old_ec_model && threeg_exists)
1170 device_remove_file(&msipf_device->dev, &dev_attr_threeg);
1171 platform_device_unregister(msipf_device);
1172 platform_driver_unregister(&msipf_driver);
1173 backlight_device_unregister(msibl_device);
1174
1175 if (quirks->old_ec_model) {
1176
1177 if (auto_brightness != 2)
1178 set_auto_brightness(1);
1179 }
1180
1181 pr_info("driver unloaded\n");
1182}
1183
1184module_init(msi_init);
1185module_exit(msi_cleanup);
1186
1187MODULE_AUTHOR("Lennart Poettering");
1188MODULE_DESCRIPTION("MSI Laptop Support");
1189MODULE_VERSION(MSI_DRIVER_VERSION);
1190MODULE_LICENSE("GPL");
1191
1192MODULE_ALIAS("dmi:*:svnMICRO-STARINT'LCO.,LTD:pnMS-1013:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
1193MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1058:pvr0581:rvnMSI:rnMS-1058:*:ct10:*");
1194MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1412:*:rvnMSI:rnMS-1412:*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
1195MODULE_ALIAS("dmi:*:svnNOTEBOOK:pnSAM2000:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
1196MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N034:*");
1197MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N051:*");
1198MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N014:*");
1199MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnCR620:*");
1200MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnU270series:*");
1201MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnU90/U100:*");
1202