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9#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
10
11#include <linux/acpi.h>
12#include <linux/backlight.h>
13#include <linux/bitops.h>
14#include <linux/bug.h>
15#include <linux/debugfs.h>
16#include <linux/device.h>
17#include <linux/dmi.h>
18#include <linux/fb.h>
19#include <linux/i8042.h>
20#include <linux/init.h>
21#include <linux/input.h>
22#include <linux/input/sparse-keymap.h>
23#include <linux/jiffies.h>
24#include <linux/kernel.h>
25#include <linux/leds.h>
26#include <linux/module.h>
27#include <linux/platform_device.h>
28#include <linux/platform_profile.h>
29#include <linux/rfkill.h>
30#include <linux/seq_file.h>
31#include <linux/sysfs.h>
32#include <linux/types.h>
33
34#include <acpi/video.h>
35
36#include <dt-bindings/leds/common.h>
37
38#define IDEAPAD_RFKILL_DEV_NUM 3
39
40#if IS_ENABLED(CONFIG_ACPI_WMI)
41static const char *const ideapad_wmi_fnesc_events[] = {
42 "26CAB2E5-5CF1-46AE-AAC3-4A12B6BA50E6",
43 "56322276-8493-4CE8-A783-98C991274F5E",
44};
45#endif
46
47enum {
48 CFG_CAP_BT_BIT = 16,
49 CFG_CAP_3G_BIT = 17,
50 CFG_CAP_WIFI_BIT = 18,
51 CFG_CAP_CAM_BIT = 19,
52 CFG_CAP_TOUCHPAD_BIT = 30,
53};
54
55enum {
56 GBMD_CONSERVATION_STATE_BIT = 5,
57};
58
59enum {
60 SBMC_CONSERVATION_ON = 3,
61 SBMC_CONSERVATION_OFF = 5,
62};
63
64enum {
65 HALS_KBD_BL_SUPPORT_BIT = 4,
66 HALS_KBD_BL_STATE_BIT = 5,
67 HALS_USB_CHARGING_SUPPORT_BIT = 6,
68 HALS_USB_CHARGING_STATE_BIT = 7,
69 HALS_FNLOCK_SUPPORT_BIT = 9,
70 HALS_FNLOCK_STATE_BIT = 10,
71 HALS_HOTKEYS_PRIMARY_BIT = 11,
72};
73
74enum {
75 SALS_KBD_BL_ON = 0x8,
76 SALS_KBD_BL_OFF = 0x9,
77 SALS_USB_CHARGING_ON = 0xa,
78 SALS_USB_CHARGING_OFF = 0xb,
79 SALS_FNLOCK_ON = 0xe,
80 SALS_FNLOCK_OFF = 0xf,
81};
82
83enum {
84 VPCCMD_R_VPC1 = 0x10,
85 VPCCMD_R_BL_MAX,
86 VPCCMD_R_BL,
87 VPCCMD_W_BL,
88 VPCCMD_R_WIFI,
89 VPCCMD_W_WIFI,
90 VPCCMD_R_BT,
91 VPCCMD_W_BT,
92 VPCCMD_R_BL_POWER,
93 VPCCMD_R_NOVO,
94 VPCCMD_R_VPC2,
95 VPCCMD_R_TOUCHPAD,
96 VPCCMD_W_TOUCHPAD,
97 VPCCMD_R_CAMERA,
98 VPCCMD_W_CAMERA,
99 VPCCMD_R_3G,
100 VPCCMD_W_3G,
101 VPCCMD_R_ODD,
102 VPCCMD_W_FAN,
103 VPCCMD_R_RF,
104 VPCCMD_W_RF,
105 VPCCMD_R_FAN = 0x2B,
106 VPCCMD_R_SPECIAL_BUTTONS = 0x31,
107 VPCCMD_W_BL_POWER = 0x33,
108};
109
110struct ideapad_dytc_priv {
111 enum platform_profile_option current_profile;
112 struct platform_profile_handler pprof;
113 struct mutex mutex;
114 struct ideapad_private *priv;
115};
116
117struct ideapad_rfk_priv {
118 int dev;
119 struct ideapad_private *priv;
120};
121
122struct ideapad_private {
123 struct acpi_device *adev;
124 struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM];
125 struct ideapad_rfk_priv rfk_priv[IDEAPAD_RFKILL_DEV_NUM];
126 struct platform_device *platform_device;
127 struct input_dev *inputdev;
128 struct backlight_device *blightdev;
129 struct ideapad_dytc_priv *dytc;
130 struct dentry *debug;
131 unsigned long cfg;
132 const char *fnesc_guid;
133 struct {
134 bool conservation_mode : 1;
135 bool dytc : 1;
136 bool fan_mode : 1;
137 bool fn_lock : 1;
138 bool hw_rfkill_switch : 1;
139 bool kbd_bl : 1;
140 bool touchpad_ctrl_via_ec : 1;
141 bool usb_charging : 1;
142 } features;
143 struct {
144 bool initialized;
145 struct led_classdev led;
146 unsigned int last_brightness;
147 } kbd_bl;
148};
149
150static bool no_bt_rfkill;
151module_param(no_bt_rfkill, bool, 0444);
152MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
153
154
155
156
157#define IDEAPAD_EC_TIMEOUT 200
158
159static int eval_int(acpi_handle handle, const char *name, unsigned long *res)
160{
161 unsigned long long result;
162 acpi_status status;
163
164 status = acpi_evaluate_integer(handle, (char *)name, NULL, &result);
165 if (ACPI_FAILURE(status))
166 return -EIO;
167
168 *res = result;
169
170 return 0;
171}
172
173static int exec_simple_method(acpi_handle handle, const char *name, unsigned long arg)
174{
175 acpi_status status = acpi_execute_simple_method(handle, (char *)name, arg);
176
177 return ACPI_FAILURE(status) ? -EIO : 0;
178}
179
180static int eval_gbmd(acpi_handle handle, unsigned long *res)
181{
182 return eval_int(handle, "GBMD", res);
183}
184
185static int exec_sbmc(acpi_handle handle, unsigned long arg)
186{
187 return exec_simple_method(handle, "SBMC", arg);
188}
189
190static int eval_hals(acpi_handle handle, unsigned long *res)
191{
192 return eval_int(handle, "HALS", res);
193}
194
195static int exec_sals(acpi_handle handle, unsigned long arg)
196{
197 return exec_simple_method(handle, "SALS", arg);
198}
199
200static int eval_int_with_arg(acpi_handle handle, const char *name, unsigned long arg, unsigned long *res)
201{
202 struct acpi_object_list params;
203 unsigned long long result;
204 union acpi_object in_obj;
205 acpi_status status;
206
207 params.count = 1;
208 params.pointer = &in_obj;
209 in_obj.type = ACPI_TYPE_INTEGER;
210 in_obj.integer.value = arg;
211
212 status = acpi_evaluate_integer(handle, (char *)name, ¶ms, &result);
213 if (ACPI_FAILURE(status))
214 return -EIO;
215
216 if (res)
217 *res = result;
218
219 return 0;
220}
221
222static int eval_dytc(acpi_handle handle, unsigned long cmd, unsigned long *res)
223{
224 return eval_int_with_arg(handle, "DYTC", cmd, res);
225}
226
227static int eval_vpcr(acpi_handle handle, unsigned long cmd, unsigned long *res)
228{
229 return eval_int_with_arg(handle, "VPCR", cmd, res);
230}
231
232static int eval_vpcw(acpi_handle handle, unsigned long cmd, unsigned long data)
233{
234 struct acpi_object_list params;
235 union acpi_object in_obj[2];
236 acpi_status status;
237
238 params.count = 2;
239 params.pointer = in_obj;
240 in_obj[0].type = ACPI_TYPE_INTEGER;
241 in_obj[0].integer.value = cmd;
242 in_obj[1].type = ACPI_TYPE_INTEGER;
243 in_obj[1].integer.value = data;
244
245 status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL);
246 if (ACPI_FAILURE(status))
247 return -EIO;
248
249 return 0;
250}
251
252static int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *data)
253{
254 unsigned long end_jiffies, val;
255 int err;
256
257 err = eval_vpcw(handle, 1, cmd);
258 if (err)
259 return err;
260
261 end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
262
263 while (time_before(jiffies, end_jiffies)) {
264 schedule();
265
266 err = eval_vpcr(handle, 1, &val);
267 if (err)
268 return err;
269
270 if (val == 0)
271 return eval_vpcr(handle, 0, data);
272 }
273
274 acpi_handle_err(handle, "timeout in %s\n", __func__);
275
276 return -ETIMEDOUT;
277}
278
279static int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long data)
280{
281 unsigned long end_jiffies, val;
282 int err;
283
284 err = eval_vpcw(handle, 0, data);
285 if (err)
286 return err;
287
288 err = eval_vpcw(handle, 1, cmd);
289 if (err)
290 return err;
291
292 end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
293
294 while (time_before(jiffies, end_jiffies)) {
295 schedule();
296
297 err = eval_vpcr(handle, 1, &val);
298 if (err)
299 return err;
300
301 if (val == 0)
302 return 0;
303 }
304
305 acpi_handle_err(handle, "timeout in %s\n", __func__);
306
307 return -ETIMEDOUT;
308}
309
310
311
312
313static int debugfs_status_show(struct seq_file *s, void *data)
314{
315 struct ideapad_private *priv = s->private;
316 unsigned long value;
317
318 if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &value))
319 seq_printf(s, "Backlight max: %lu\n", value);
320 if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL, &value))
321 seq_printf(s, "Backlight now: %lu\n", value);
322 if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &value))
323 seq_printf(s, "BL power value: %s (%lu)\n", value ? "on" : "off", value);
324
325 seq_puts(s, "=====================\n");
326
327 if (!read_ec_data(priv->adev->handle, VPCCMD_R_RF, &value))
328 seq_printf(s, "Radio status: %s (%lu)\n", value ? "on" : "off", value);
329 if (!read_ec_data(priv->adev->handle, VPCCMD_R_WIFI, &value))
330 seq_printf(s, "Wifi status: %s (%lu)\n", value ? "on" : "off", value);
331 if (!read_ec_data(priv->adev->handle, VPCCMD_R_BT, &value))
332 seq_printf(s, "BT status: %s (%lu)\n", value ? "on" : "off", value);
333 if (!read_ec_data(priv->adev->handle, VPCCMD_R_3G, &value))
334 seq_printf(s, "3G status: %s (%lu)\n", value ? "on" : "off", value);
335
336 seq_puts(s, "=====================\n");
337
338 if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value))
339 seq_printf(s, "Touchpad status: %s (%lu)\n", value ? "on" : "off", value);
340 if (!read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &value))
341 seq_printf(s, "Camera status: %s (%lu)\n", value ? "on" : "off", value);
342
343 seq_puts(s, "=====================\n");
344
345 if (!eval_gbmd(priv->adev->handle, &value))
346 seq_printf(s, "GBMD: %#010lx\n", value);
347 if (!eval_hals(priv->adev->handle, &value))
348 seq_printf(s, "HALS: %#010lx\n", value);
349
350 return 0;
351}
352DEFINE_SHOW_ATTRIBUTE(debugfs_status);
353
354static int debugfs_cfg_show(struct seq_file *s, void *data)
355{
356 struct ideapad_private *priv = s->private;
357
358 seq_printf(s, "_CFG: %#010lx\n\n", priv->cfg);
359
360 seq_puts(s, "Capabilities:");
361 if (test_bit(CFG_CAP_BT_BIT, &priv->cfg))
362 seq_puts(s, " bluetooth");
363 if (test_bit(CFG_CAP_3G_BIT, &priv->cfg))
364 seq_puts(s, " 3G");
365 if (test_bit(CFG_CAP_WIFI_BIT, &priv->cfg))
366 seq_puts(s, " wifi");
367 if (test_bit(CFG_CAP_CAM_BIT, &priv->cfg))
368 seq_puts(s, " camera");
369 if (test_bit(CFG_CAP_TOUCHPAD_BIT, &priv->cfg))
370 seq_puts(s, " touchpad");
371 seq_puts(s, "\n");
372
373 seq_puts(s, "Graphics: ");
374 switch (priv->cfg & 0x700) {
375 case 0x100:
376 seq_puts(s, "Intel");
377 break;
378 case 0x200:
379 seq_puts(s, "ATI");
380 break;
381 case 0x300:
382 seq_puts(s, "Nvidia");
383 break;
384 case 0x400:
385 seq_puts(s, "Intel and ATI");
386 break;
387 case 0x500:
388 seq_puts(s, "Intel and Nvidia");
389 break;
390 }
391 seq_puts(s, "\n");
392
393 return 0;
394}
395DEFINE_SHOW_ATTRIBUTE(debugfs_cfg);
396
397static void ideapad_debugfs_init(struct ideapad_private *priv)
398{
399 struct dentry *dir;
400
401 dir = debugfs_create_dir("ideapad", NULL);
402 priv->debug = dir;
403
404 debugfs_create_file("cfg", 0444, dir, priv, &debugfs_cfg_fops);
405 debugfs_create_file("status", 0444, dir, priv, &debugfs_status_fops);
406}
407
408static void ideapad_debugfs_exit(struct ideapad_private *priv)
409{
410 debugfs_remove_recursive(priv->debug);
411 priv->debug = NULL;
412}
413
414
415
416
417static ssize_t camera_power_show(struct device *dev,
418 struct device_attribute *attr,
419 char *buf)
420{
421 struct ideapad_private *priv = dev_get_drvdata(dev);
422 unsigned long result;
423 int err;
424
425 err = read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &result);
426 if (err)
427 return err;
428
429 return sysfs_emit(buf, "%d\n", !!result);
430}
431
432static ssize_t camera_power_store(struct device *dev,
433 struct device_attribute *attr,
434 const char *buf, size_t count)
435{
436 struct ideapad_private *priv = dev_get_drvdata(dev);
437 bool state;
438 int err;
439
440 err = kstrtobool(buf, &state);
441 if (err)
442 return err;
443
444 err = write_ec_cmd(priv->adev->handle, VPCCMD_W_CAMERA, state);
445 if (err)
446 return err;
447
448 return count;
449}
450
451static DEVICE_ATTR_RW(camera_power);
452
453static ssize_t conservation_mode_show(struct device *dev,
454 struct device_attribute *attr,
455 char *buf)
456{
457 struct ideapad_private *priv = dev_get_drvdata(dev);
458 unsigned long result;
459 int err;
460
461 err = eval_gbmd(priv->adev->handle, &result);
462 if (err)
463 return err;
464
465 return sysfs_emit(buf, "%d\n", !!test_bit(GBMD_CONSERVATION_STATE_BIT, &result));
466}
467
468static ssize_t conservation_mode_store(struct device *dev,
469 struct device_attribute *attr,
470 const char *buf, size_t count)
471{
472 struct ideapad_private *priv = dev_get_drvdata(dev);
473 bool state;
474 int err;
475
476 err = kstrtobool(buf, &state);
477 if (err)
478 return err;
479
480 err = exec_sbmc(priv->adev->handle, state ? SBMC_CONSERVATION_ON : SBMC_CONSERVATION_OFF);
481 if (err)
482 return err;
483
484 return count;
485}
486
487static DEVICE_ATTR_RW(conservation_mode);
488
489static ssize_t fan_mode_show(struct device *dev,
490 struct device_attribute *attr,
491 char *buf)
492{
493 struct ideapad_private *priv = dev_get_drvdata(dev);
494 unsigned long result;
495 int err;
496
497 err = read_ec_data(priv->adev->handle, VPCCMD_R_FAN, &result);
498 if (err)
499 return err;
500
501 return sysfs_emit(buf, "%lu\n", result);
502}
503
504static ssize_t fan_mode_store(struct device *dev,
505 struct device_attribute *attr,
506 const char *buf, size_t count)
507{
508 struct ideapad_private *priv = dev_get_drvdata(dev);
509 unsigned int state;
510 int err;
511
512 err = kstrtouint(buf, 0, &state);
513 if (err)
514 return err;
515
516 if (state > 4 || state == 3)
517 return -EINVAL;
518
519 err = write_ec_cmd(priv->adev->handle, VPCCMD_W_FAN, state);
520 if (err)
521 return err;
522
523 return count;
524}
525
526static DEVICE_ATTR_RW(fan_mode);
527
528static ssize_t fn_lock_show(struct device *dev,
529 struct device_attribute *attr,
530 char *buf)
531{
532 struct ideapad_private *priv = dev_get_drvdata(dev);
533 unsigned long hals;
534 int err;
535
536 err = eval_hals(priv->adev->handle, &hals);
537 if (err)
538 return err;
539
540 return sysfs_emit(buf, "%d\n", !!test_bit(HALS_FNLOCK_STATE_BIT, &hals));
541}
542
543static ssize_t fn_lock_store(struct device *dev,
544 struct device_attribute *attr,
545 const char *buf, size_t count)
546{
547 struct ideapad_private *priv = dev_get_drvdata(dev);
548 bool state;
549 int err;
550
551 err = kstrtobool(buf, &state);
552 if (err)
553 return err;
554
555 err = exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
556 if (err)
557 return err;
558
559 return count;
560}
561
562static DEVICE_ATTR_RW(fn_lock);
563
564static ssize_t touchpad_show(struct device *dev,
565 struct device_attribute *attr,
566 char *buf)
567{
568 struct ideapad_private *priv = dev_get_drvdata(dev);
569 unsigned long result;
570 int err;
571
572 err = read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &result);
573 if (err)
574 return err;
575
576 return sysfs_emit(buf, "%d\n", !!result);
577}
578
579static ssize_t touchpad_store(struct device *dev,
580 struct device_attribute *attr,
581 const char *buf, size_t count)
582{
583 struct ideapad_private *priv = dev_get_drvdata(dev);
584 bool state;
585 int err;
586
587 err = kstrtobool(buf, &state);
588 if (err)
589 return err;
590
591 err = write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, state);
592 if (err)
593 return err;
594
595 return count;
596}
597
598static DEVICE_ATTR_RW(touchpad);
599
600static ssize_t usb_charging_show(struct device *dev,
601 struct device_attribute *attr,
602 char *buf)
603{
604 struct ideapad_private *priv = dev_get_drvdata(dev);
605 unsigned long hals;
606 int err;
607
608 err = eval_hals(priv->adev->handle, &hals);
609 if (err)
610 return err;
611
612 return sysfs_emit(buf, "%d\n", !!test_bit(HALS_USB_CHARGING_STATE_BIT, &hals));
613}
614
615static ssize_t usb_charging_store(struct device *dev,
616 struct device_attribute *attr,
617 const char *buf, size_t count)
618{
619 struct ideapad_private *priv = dev_get_drvdata(dev);
620 bool state;
621 int err;
622
623 err = kstrtobool(buf, &state);
624 if (err)
625 return err;
626
627 err = exec_sals(priv->adev->handle, state ? SALS_USB_CHARGING_ON : SALS_USB_CHARGING_OFF);
628 if (err)
629 return err;
630
631 return count;
632}
633
634static DEVICE_ATTR_RW(usb_charging);
635
636static struct attribute *ideapad_attributes[] = {
637 &dev_attr_camera_power.attr,
638 &dev_attr_conservation_mode.attr,
639 &dev_attr_fan_mode.attr,
640 &dev_attr_fn_lock.attr,
641 &dev_attr_touchpad.attr,
642 &dev_attr_usb_charging.attr,
643 NULL
644};
645
646static umode_t ideapad_is_visible(struct kobject *kobj,
647 struct attribute *attr,
648 int idx)
649{
650 struct device *dev = kobj_to_dev(kobj);
651 struct ideapad_private *priv = dev_get_drvdata(dev);
652 bool supported = true;
653
654 if (attr == &dev_attr_camera_power.attr)
655 supported = test_bit(CFG_CAP_CAM_BIT, &priv->cfg);
656 else if (attr == &dev_attr_conservation_mode.attr)
657 supported = priv->features.conservation_mode;
658 else if (attr == &dev_attr_fan_mode.attr)
659 supported = priv->features.fan_mode;
660 else if (attr == &dev_attr_fn_lock.attr)
661 supported = priv->features.fn_lock;
662 else if (attr == &dev_attr_touchpad.attr)
663 supported = priv->features.touchpad_ctrl_via_ec &&
664 test_bit(CFG_CAP_TOUCHPAD_BIT, &priv->cfg);
665 else if (attr == &dev_attr_usb_charging.attr)
666 supported = priv->features.usb_charging;
667
668 return supported ? attr->mode : 0;
669}
670
671static const struct attribute_group ideapad_attribute_group = {
672 .is_visible = ideapad_is_visible,
673 .attrs = ideapad_attributes
674};
675
676
677
678
679#define DYTC_CMD_QUERY 0
680#define DYTC_CMD_SET 1
681#define DYTC_CMD_GET 2
682#define DYTC_CMD_RESET 0x1ff
683
684#define DYTC_QUERY_ENABLE_BIT 8
685#define DYTC_QUERY_SUBREV_BIT 16
686#define DYTC_QUERY_REV_BIT 28
687
688#define DYTC_GET_FUNCTION_BIT 8
689#define DYTC_GET_MODE_BIT 12
690
691#define DYTC_SET_FUNCTION_BIT 12
692#define DYTC_SET_MODE_BIT 16
693#define DYTC_SET_VALID_BIT 20
694
695#define DYTC_FUNCTION_STD 0
696#define DYTC_FUNCTION_CQL 1
697#define DYTC_FUNCTION_MMC 11
698
699#define DYTC_MODE_PERFORM 2
700#define DYTC_MODE_LOW_POWER 3
701#define DYTC_MODE_BALANCE 0xF
702
703#define DYTC_SET_COMMAND(function, mode, on) \
704 (DYTC_CMD_SET | (function) << DYTC_SET_FUNCTION_BIT | \
705 (mode) << DYTC_SET_MODE_BIT | \
706 (on) << DYTC_SET_VALID_BIT)
707
708#define DYTC_DISABLE_CQL DYTC_SET_COMMAND(DYTC_FUNCTION_CQL, DYTC_MODE_BALANCE, 0)
709
710#define DYTC_ENABLE_CQL DYTC_SET_COMMAND(DYTC_FUNCTION_CQL, DYTC_MODE_BALANCE, 1)
711
712static int convert_dytc_to_profile(int dytcmode, enum platform_profile_option *profile)
713{
714 switch (dytcmode) {
715 case DYTC_MODE_LOW_POWER:
716 *profile = PLATFORM_PROFILE_LOW_POWER;
717 break;
718 case DYTC_MODE_BALANCE:
719 *profile = PLATFORM_PROFILE_BALANCED;
720 break;
721 case DYTC_MODE_PERFORM:
722 *profile = PLATFORM_PROFILE_PERFORMANCE;
723 break;
724 default:
725 return -EINVAL;
726 }
727
728 return 0;
729}
730
731static int convert_profile_to_dytc(enum platform_profile_option profile, int *perfmode)
732{
733 switch (profile) {
734 case PLATFORM_PROFILE_LOW_POWER:
735 *perfmode = DYTC_MODE_LOW_POWER;
736 break;
737 case PLATFORM_PROFILE_BALANCED:
738 *perfmode = DYTC_MODE_BALANCE;
739 break;
740 case PLATFORM_PROFILE_PERFORMANCE:
741 *perfmode = DYTC_MODE_PERFORM;
742 break;
743 default:
744 return -EOPNOTSUPP;
745 }
746
747 return 0;
748}
749
750
751
752
753
754static int dytc_profile_get(struct platform_profile_handler *pprof,
755 enum platform_profile_option *profile)
756{
757 struct ideapad_dytc_priv *dytc = container_of(pprof, struct ideapad_dytc_priv, pprof);
758
759 *profile = dytc->current_profile;
760 return 0;
761}
762
763
764
765
766
767
768
769
770static int dytc_cql_command(struct ideapad_private *priv, unsigned long cmd,
771 unsigned long *output)
772{
773 int err, cmd_err, cur_funcmode;
774
775
776 err = eval_dytc(priv->adev->handle, DYTC_CMD_GET, output);
777 if (err)
778 return err;
779
780 cur_funcmode = (*output >> DYTC_GET_FUNCTION_BIT) & 0xF;
781
782 if (cmd == DYTC_CMD_GET && cur_funcmode != DYTC_FUNCTION_CQL)
783 return 0;
784
785 if (cur_funcmode == DYTC_FUNCTION_CQL) {
786 err = eval_dytc(priv->adev->handle, DYTC_DISABLE_CQL, NULL);
787 if (err)
788 return err;
789 }
790
791 cmd_err = eval_dytc(priv->adev->handle, cmd, output);
792
793
794 if (cur_funcmode == DYTC_FUNCTION_CQL) {
795 err = eval_dytc(priv->adev->handle, DYTC_ENABLE_CQL, NULL);
796 if (err)
797 return err;
798 }
799
800 return cmd_err;
801}
802
803
804
805
806
807static int dytc_profile_set(struct platform_profile_handler *pprof,
808 enum platform_profile_option profile)
809{
810 struct ideapad_dytc_priv *dytc = container_of(pprof, struct ideapad_dytc_priv, pprof);
811 struct ideapad_private *priv = dytc->priv;
812 unsigned long output;
813 int err;
814
815 err = mutex_lock_interruptible(&dytc->mutex);
816 if (err)
817 return err;
818
819 if (profile == PLATFORM_PROFILE_BALANCED) {
820
821 err = eval_dytc(priv->adev->handle, DYTC_CMD_RESET, NULL);
822 if (err)
823 goto unlock;
824 } else {
825 int perfmode;
826
827 err = convert_profile_to_dytc(profile, &perfmode);
828 if (err)
829 goto unlock;
830
831
832 err = dytc_cql_command(priv, DYTC_SET_COMMAND(DYTC_FUNCTION_MMC, perfmode, 1),
833 &output);
834 if (err)
835 goto unlock;
836 }
837
838
839 dytc->current_profile = profile;
840
841unlock:
842 mutex_unlock(&dytc->mutex);
843
844 return err;
845}
846
847static void dytc_profile_refresh(struct ideapad_private *priv)
848{
849 enum platform_profile_option profile;
850 unsigned long output;
851 int err, perfmode;
852
853 mutex_lock(&priv->dytc->mutex);
854 err = dytc_cql_command(priv, DYTC_CMD_GET, &output);
855 mutex_unlock(&priv->dytc->mutex);
856 if (err)
857 return;
858
859 perfmode = (output >> DYTC_GET_MODE_BIT) & 0xF;
860
861 if (convert_dytc_to_profile(perfmode, &profile))
862 return;
863
864 if (profile != priv->dytc->current_profile) {
865 priv->dytc->current_profile = profile;
866 platform_profile_notify();
867 }
868}
869
870static int ideapad_dytc_profile_init(struct ideapad_private *priv)
871{
872 int err, dytc_version;
873 unsigned long output;
874
875 if (!priv->features.dytc)
876 return -ENODEV;
877
878 err = eval_dytc(priv->adev->handle, DYTC_CMD_QUERY, &output);
879
880 if (err)
881 return err;
882
883
884 if (!test_bit(DYTC_QUERY_ENABLE_BIT, &output))
885 return -ENODEV;
886
887 dytc_version = (output >> DYTC_QUERY_REV_BIT) & 0xF;
888 if (dytc_version < 5)
889 return -ENODEV;
890
891 priv->dytc = kzalloc(sizeof(*priv->dytc), GFP_KERNEL);
892 if (!priv->dytc)
893 return -ENOMEM;
894
895 mutex_init(&priv->dytc->mutex);
896
897 priv->dytc->priv = priv;
898 priv->dytc->pprof.profile_get = dytc_profile_get;
899 priv->dytc->pprof.profile_set = dytc_profile_set;
900
901
902 set_bit(PLATFORM_PROFILE_LOW_POWER, priv->dytc->pprof.choices);
903 set_bit(PLATFORM_PROFILE_BALANCED, priv->dytc->pprof.choices);
904 set_bit(PLATFORM_PROFILE_PERFORMANCE, priv->dytc->pprof.choices);
905
906
907 err = platform_profile_register(&priv->dytc->pprof);
908 if (err)
909 goto pp_reg_failed;
910
911
912 dytc_profile_refresh(priv);
913
914 return 0;
915
916pp_reg_failed:
917 mutex_destroy(&priv->dytc->mutex);
918 kfree(priv->dytc);
919 priv->dytc = NULL;
920
921 return err;
922}
923
924static void ideapad_dytc_profile_exit(struct ideapad_private *priv)
925{
926 if (!priv->dytc)
927 return;
928
929 platform_profile_remove();
930 mutex_destroy(&priv->dytc->mutex);
931 kfree(priv->dytc);
932
933 priv->dytc = NULL;
934}
935
936
937
938
939struct ideapad_rfk_data {
940 char *name;
941 int cfgbit;
942 int opcode;
943 int type;
944};
945
946static const struct ideapad_rfk_data ideapad_rfk_data[] = {
947 { "ideapad_wlan", CFG_CAP_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN },
948 { "ideapad_bluetooth", CFG_CAP_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH },
949 { "ideapad_3g", CFG_CAP_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN },
950};
951
952static int ideapad_rfk_set(void *data, bool blocked)
953{
954 struct ideapad_rfk_priv *priv = data;
955 int opcode = ideapad_rfk_data[priv->dev].opcode;
956
957 return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked);
958}
959
960static const struct rfkill_ops ideapad_rfk_ops = {
961 .set_block = ideapad_rfk_set,
962};
963
964static void ideapad_sync_rfk_state(struct ideapad_private *priv)
965{
966 unsigned long hw_blocked = 0;
967 int i;
968
969 if (priv->features.hw_rfkill_switch) {
970 if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked))
971 return;
972 hw_blocked = !hw_blocked;
973 }
974
975 for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
976 if (priv->rfk[i])
977 rfkill_set_hw_state(priv->rfk[i], hw_blocked);
978}
979
980static int ideapad_register_rfkill(struct ideapad_private *priv, int dev)
981{
982 unsigned long rf_enabled;
983 int err;
984
985 if (no_bt_rfkill && ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH) {
986
987 write_ec_cmd(priv->adev->handle, ideapad_rfk_data[dev].opcode, 1);
988 return 0;
989 }
990
991 priv->rfk_priv[dev].dev = dev;
992 priv->rfk_priv[dev].priv = priv;
993
994 priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name,
995 &priv->platform_device->dev,
996 ideapad_rfk_data[dev].type,
997 &ideapad_rfk_ops,
998 &priv->rfk_priv[dev]);
999 if (!priv->rfk[dev])
1000 return -ENOMEM;
1001
1002 err = read_ec_data(priv->adev->handle, ideapad_rfk_data[dev].opcode - 1, &rf_enabled);
1003 if (err)
1004 rf_enabled = 1;
1005
1006 rfkill_init_sw_state(priv->rfk[dev], !rf_enabled);
1007
1008 err = rfkill_register(priv->rfk[dev]);
1009 if (err)
1010 rfkill_destroy(priv->rfk[dev]);
1011
1012 return err;
1013}
1014
1015static void ideapad_unregister_rfkill(struct ideapad_private *priv, int dev)
1016{
1017 if (!priv->rfk[dev])
1018 return;
1019
1020 rfkill_unregister(priv->rfk[dev]);
1021 rfkill_destroy(priv->rfk[dev]);
1022}
1023
1024
1025
1026
1027static int ideapad_sysfs_init(struct ideapad_private *priv)
1028{
1029 return device_add_group(&priv->platform_device->dev,
1030 &ideapad_attribute_group);
1031}
1032
1033static void ideapad_sysfs_exit(struct ideapad_private *priv)
1034{
1035 device_remove_group(&priv->platform_device->dev,
1036 &ideapad_attribute_group);
1037}
1038
1039
1040
1041
1042static const struct key_entry ideapad_keymap[] = {
1043 { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } },
1044 { KE_KEY, 7, { KEY_CAMERA } },
1045 { KE_KEY, 8, { KEY_MICMUTE } },
1046 { KE_KEY, 11, { KEY_F16 } },
1047 { KE_KEY, 13, { KEY_WLAN } },
1048 { KE_KEY, 16, { KEY_PROG1 } },
1049 { KE_KEY, 17, { KEY_PROG2 } },
1050 { KE_KEY, 64, { KEY_PROG3 } },
1051 { KE_KEY, 65, { KEY_PROG4 } },
1052 { KE_KEY, 66, { KEY_TOUCHPAD_OFF } },
1053 { KE_KEY, 67, { KEY_TOUCHPAD_ON } },
1054 { KE_KEY, 128, { KEY_ESC } },
1055 { KE_END },
1056};
1057
1058static int ideapad_input_init(struct ideapad_private *priv)
1059{
1060 struct input_dev *inputdev;
1061 int err;
1062
1063 inputdev = input_allocate_device();
1064 if (!inputdev)
1065 return -ENOMEM;
1066
1067 inputdev->name = "Ideapad extra buttons";
1068 inputdev->phys = "ideapad/input0";
1069 inputdev->id.bustype = BUS_HOST;
1070 inputdev->dev.parent = &priv->platform_device->dev;
1071
1072 err = sparse_keymap_setup(inputdev, ideapad_keymap, NULL);
1073 if (err) {
1074 dev_err(&priv->platform_device->dev,
1075 "Could not set up input device keymap: %d\n", err);
1076 goto err_free_dev;
1077 }
1078
1079 err = input_register_device(inputdev);
1080 if (err) {
1081 dev_err(&priv->platform_device->dev,
1082 "Could not register input device: %d\n", err);
1083 goto err_free_dev;
1084 }
1085
1086 priv->inputdev = inputdev;
1087
1088 return 0;
1089
1090err_free_dev:
1091 input_free_device(inputdev);
1092
1093 return err;
1094}
1095
1096static void ideapad_input_exit(struct ideapad_private *priv)
1097{
1098 input_unregister_device(priv->inputdev);
1099 priv->inputdev = NULL;
1100}
1101
1102static void ideapad_input_report(struct ideapad_private *priv,
1103 unsigned long scancode)
1104{
1105 sparse_keymap_report_event(priv->inputdev, scancode, 1, true);
1106}
1107
1108static void ideapad_input_novokey(struct ideapad_private *priv)
1109{
1110 unsigned long long_pressed;
1111
1112 if (read_ec_data(priv->adev->handle, VPCCMD_R_NOVO, &long_pressed))
1113 return;
1114
1115 if (long_pressed)
1116 ideapad_input_report(priv, 17);
1117 else
1118 ideapad_input_report(priv, 16);
1119}
1120
1121static void ideapad_check_special_buttons(struct ideapad_private *priv)
1122{
1123 unsigned long bit, value;
1124
1125 if (read_ec_data(priv->adev->handle, VPCCMD_R_SPECIAL_BUTTONS, &value))
1126 return;
1127
1128 for_each_set_bit (bit, &value, 16) {
1129 switch (bit) {
1130 case 6:
1131 case 0:
1132
1133 ideapad_input_report(priv, 65);
1134 break;
1135 case 1:
1136
1137 ideapad_input_report(priv, 64);
1138 break;
1139 default:
1140 dev_info(&priv->platform_device->dev,
1141 "Unknown special button: %lu\n", bit);
1142 break;
1143 }
1144 }
1145}
1146
1147
1148
1149
1150static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)
1151{
1152 struct ideapad_private *priv = bl_get_data(blightdev);
1153 unsigned long now;
1154 int err;
1155
1156 err = read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now);
1157 if (err)
1158 return err;
1159
1160 return now;
1161}
1162
1163static int ideapad_backlight_update_status(struct backlight_device *blightdev)
1164{
1165 struct ideapad_private *priv = bl_get_data(blightdev);
1166 int err;
1167
1168 err = write_ec_cmd(priv->adev->handle, VPCCMD_W_BL,
1169 blightdev->props.brightness);
1170 if (err)
1171 return err;
1172
1173 err = write_ec_cmd(priv->adev->handle, VPCCMD_W_BL_POWER,
1174 blightdev->props.power != FB_BLANK_POWERDOWN);
1175 if (err)
1176 return err;
1177
1178 return 0;
1179}
1180
1181static const struct backlight_ops ideapad_backlight_ops = {
1182 .get_brightness = ideapad_backlight_get_brightness,
1183 .update_status = ideapad_backlight_update_status,
1184};
1185
1186static int ideapad_backlight_init(struct ideapad_private *priv)
1187{
1188 struct backlight_device *blightdev;
1189 struct backlight_properties props;
1190 unsigned long max, now, power;
1191 int err;
1192
1193 err = read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &max);
1194 if (err)
1195 return err;
1196
1197 err = read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now);
1198 if (err)
1199 return err;
1200
1201 err = read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power);
1202 if (err)
1203 return err;
1204
1205 memset(&props, 0, sizeof(props));
1206
1207 props.max_brightness = max;
1208 props.type = BACKLIGHT_PLATFORM;
1209
1210 blightdev = backlight_device_register("ideapad",
1211 &priv->platform_device->dev,
1212 priv,
1213 &ideapad_backlight_ops,
1214 &props);
1215 if (IS_ERR(blightdev)) {
1216 err = PTR_ERR(blightdev);
1217 dev_err(&priv->platform_device->dev,
1218 "Could not register backlight device: %d\n", err);
1219 return err;
1220 }
1221
1222 priv->blightdev = blightdev;
1223 blightdev->props.brightness = now;
1224 blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
1225
1226 backlight_update_status(blightdev);
1227
1228 return 0;
1229}
1230
1231static void ideapad_backlight_exit(struct ideapad_private *priv)
1232{
1233 backlight_device_unregister(priv->blightdev);
1234 priv->blightdev = NULL;
1235}
1236
1237static void ideapad_backlight_notify_power(struct ideapad_private *priv)
1238{
1239 struct backlight_device *blightdev = priv->blightdev;
1240 unsigned long power;
1241
1242 if (!blightdev)
1243 return;
1244
1245 if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power))
1246 return;
1247
1248 blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
1249}
1250
1251static void ideapad_backlight_notify_brightness(struct ideapad_private *priv)
1252{
1253 unsigned long now;
1254
1255
1256 if (!priv->blightdev)
1257 read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now);
1258 else
1259 backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);
1260}
1261
1262
1263
1264
1265static int ideapad_kbd_bl_brightness_get(struct ideapad_private *priv)
1266{
1267 unsigned long hals;
1268 int err;
1269
1270 err = eval_hals(priv->adev->handle, &hals);
1271 if (err)
1272 return err;
1273
1274 return !!test_bit(HALS_KBD_BL_STATE_BIT, &hals);
1275}
1276
1277static enum led_brightness ideapad_kbd_bl_led_cdev_brightness_get(struct led_classdev *led_cdev)
1278{
1279 struct ideapad_private *priv = container_of(led_cdev, struct ideapad_private, kbd_bl.led);
1280
1281 return ideapad_kbd_bl_brightness_get(priv);
1282}
1283
1284static int ideapad_kbd_bl_brightness_set(struct ideapad_private *priv, unsigned int brightness)
1285{
1286 int err = exec_sals(priv->adev->handle, brightness ? SALS_KBD_BL_ON : SALS_KBD_BL_OFF);
1287
1288 if (err)
1289 return err;
1290
1291 priv->kbd_bl.last_brightness = brightness;
1292
1293 return 0;
1294}
1295
1296static int ideapad_kbd_bl_led_cdev_brightness_set(struct led_classdev *led_cdev,
1297 enum led_brightness brightness)
1298{
1299 struct ideapad_private *priv = container_of(led_cdev, struct ideapad_private, kbd_bl.led);
1300
1301 return ideapad_kbd_bl_brightness_set(priv, brightness);
1302}
1303
1304static void ideapad_kbd_bl_notify(struct ideapad_private *priv)
1305{
1306 int brightness;
1307
1308 if (!priv->kbd_bl.initialized)
1309 return;
1310
1311 brightness = ideapad_kbd_bl_brightness_get(priv);
1312 if (brightness < 0)
1313 return;
1314
1315 if (brightness == priv->kbd_bl.last_brightness)
1316 return;
1317
1318 priv->kbd_bl.last_brightness = brightness;
1319
1320 led_classdev_notify_brightness_hw_changed(&priv->kbd_bl.led, brightness);
1321}
1322
1323static int ideapad_kbd_bl_init(struct ideapad_private *priv)
1324{
1325 int brightness, err;
1326
1327 if (!priv->features.kbd_bl)
1328 return -ENODEV;
1329
1330 if (WARN_ON(priv->kbd_bl.initialized))
1331 return -EEXIST;
1332
1333 brightness = ideapad_kbd_bl_brightness_get(priv);
1334 if (brightness < 0)
1335 return brightness;
1336
1337 priv->kbd_bl.last_brightness = brightness;
1338
1339 priv->kbd_bl.led.name = "platform::" LED_FUNCTION_KBD_BACKLIGHT;
1340 priv->kbd_bl.led.max_brightness = 1;
1341 priv->kbd_bl.led.brightness_get = ideapad_kbd_bl_led_cdev_brightness_get;
1342 priv->kbd_bl.led.brightness_set_blocking = ideapad_kbd_bl_led_cdev_brightness_set;
1343 priv->kbd_bl.led.flags = LED_BRIGHT_HW_CHANGED;
1344
1345 err = led_classdev_register(&priv->platform_device->dev, &priv->kbd_bl.led);
1346 if (err)
1347 return err;
1348
1349 priv->kbd_bl.initialized = true;
1350
1351 return 0;
1352}
1353
1354static void ideapad_kbd_bl_exit(struct ideapad_private *priv)
1355{
1356 if (!priv->kbd_bl.initialized)
1357 return;
1358
1359 priv->kbd_bl.initialized = false;
1360
1361 led_classdev_unregister(&priv->kbd_bl.led);
1362}
1363
1364
1365
1366
1367static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
1368{
1369 unsigned long value;
1370
1371 if (!priv->features.touchpad_ctrl_via_ec)
1372 return;
1373
1374
1375 if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) {
1376 unsigned char param;
1377
1378
1379
1380
1381
1382
1383 i8042_command(¶m, value ? I8042_CMD_AUX_ENABLE : I8042_CMD_AUX_DISABLE);
1384 ideapad_input_report(priv, value ? 67 : 66);
1385 sysfs_notify(&priv->platform_device->dev.kobj, NULL, "touchpad");
1386 }
1387}
1388
1389static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data)
1390{
1391 struct ideapad_private *priv = data;
1392 unsigned long vpc1, vpc2, bit;
1393
1394 if (read_ec_data(handle, VPCCMD_R_VPC1, &vpc1))
1395 return;
1396
1397 if (read_ec_data(handle, VPCCMD_R_VPC2, &vpc2))
1398 return;
1399
1400 vpc1 = (vpc2 << 8) | vpc1;
1401
1402 for_each_set_bit (bit, &vpc1, 16) {
1403 switch (bit) {
1404 case 13:
1405 case 11:
1406 case 8:
1407 case 7:
1408 case 6:
1409 ideapad_input_report(priv, bit);
1410 break;
1411 case 10:
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422 break;
1423 case 9:
1424 ideapad_sync_rfk_state(priv);
1425 break;
1426 case 5:
1427 ideapad_sync_touchpad_state(priv);
1428 break;
1429 case 4:
1430 ideapad_backlight_notify_brightness(priv);
1431 break;
1432 case 3:
1433 ideapad_input_novokey(priv);
1434 break;
1435 case 2:
1436 ideapad_backlight_notify_power(priv);
1437 break;
1438 case 1:
1439
1440
1441
1442
1443
1444
1445
1446 ideapad_kbd_bl_notify(priv);
1447 break;
1448 case 0:
1449 ideapad_check_special_buttons(priv);
1450 break;
1451 default:
1452 dev_info(&priv->platform_device->dev,
1453 "Unknown event: %lu\n", bit);
1454 }
1455 }
1456}
1457
1458#if IS_ENABLED(CONFIG_ACPI_WMI)
1459static void ideapad_wmi_notify(u32 value, void *context)
1460{
1461 struct ideapad_private *priv = context;
1462
1463 switch (value) {
1464 case 128:
1465 ideapad_input_report(priv, value);
1466 break;
1467 default:
1468 dev_info(&priv->platform_device->dev,
1469 "Unknown WMI event: %u\n", value);
1470 }
1471}
1472#endif
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489static const struct dmi_system_id hw_rfkill_list[] = {
1490 {}
1491};
1492
1493static void ideapad_check_features(struct ideapad_private *priv)
1494{
1495 acpi_handle handle = priv->adev->handle;
1496 unsigned long val;
1497
1498 priv->features.hw_rfkill_switch = dmi_check_system(hw_rfkill_list);
1499
1500
1501 priv->features.touchpad_ctrl_via_ec = !acpi_dev_present("ELAN0634", NULL, -1);
1502
1503 if (!read_ec_data(handle, VPCCMD_R_FAN, &val))
1504 priv->features.fan_mode = true;
1505
1506 if (acpi_has_method(handle, "GBMD") && acpi_has_method(handle, "SBMC"))
1507 priv->features.conservation_mode = true;
1508
1509 if (acpi_has_method(handle, "DYTC"))
1510 priv->features.dytc = true;
1511
1512 if (acpi_has_method(handle, "HALS") && acpi_has_method(handle, "SALS")) {
1513 if (!eval_hals(handle, &val)) {
1514 if (test_bit(HALS_FNLOCK_SUPPORT_BIT, &val))
1515 priv->features.fn_lock = true;
1516
1517 if (test_bit(HALS_KBD_BL_SUPPORT_BIT, &val))
1518 priv->features.kbd_bl = true;
1519
1520 if (test_bit(HALS_USB_CHARGING_SUPPORT_BIT, &val))
1521 priv->features.usb_charging = true;
1522 }
1523 }
1524}
1525
1526static int ideapad_acpi_add(struct platform_device *pdev)
1527{
1528 struct ideapad_private *priv;
1529 struct acpi_device *adev;
1530 acpi_status status;
1531 unsigned long cfg;
1532 int err, i;
1533
1534 err = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev);
1535 if (err)
1536 return -ENODEV;
1537
1538 if (eval_int(adev->handle, "_CFG", &cfg))
1539 return -ENODEV;
1540
1541 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1542 if (!priv)
1543 return -ENOMEM;
1544
1545 dev_set_drvdata(&pdev->dev, priv);
1546
1547 priv->cfg = cfg;
1548 priv->adev = adev;
1549 priv->platform_device = pdev;
1550
1551 ideapad_check_features(priv);
1552
1553 err = ideapad_sysfs_init(priv);
1554 if (err)
1555 return err;
1556
1557 ideapad_debugfs_init(priv);
1558
1559 err = ideapad_input_init(priv);
1560 if (err)
1561 goto input_failed;
1562
1563 err = ideapad_kbd_bl_init(priv);
1564 if (err) {
1565 if (err != -ENODEV)
1566 dev_warn(&pdev->dev, "Could not set up keyboard backlight LED: %d\n", err);
1567 else
1568 dev_info(&pdev->dev, "Keyboard backlight control not available\n");
1569 }
1570
1571
1572
1573
1574
1575 if (!priv->features.hw_rfkill_switch)
1576 write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1);
1577
1578
1579 if (!priv->features.touchpad_ctrl_via_ec)
1580 write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, 1);
1581
1582 for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
1583 if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg))
1584 ideapad_register_rfkill(priv, i);
1585
1586 ideapad_sync_rfk_state(priv);
1587 ideapad_sync_touchpad_state(priv);
1588
1589 err = ideapad_dytc_profile_init(priv);
1590 if (err) {
1591 if (err != -ENODEV)
1592 dev_warn(&pdev->dev, "Could not set up DYTC interface: %d\n", err);
1593 else
1594 dev_info(&pdev->dev, "DYTC interface is not available\n");
1595 }
1596
1597 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
1598 err = ideapad_backlight_init(priv);
1599 if (err && err != -ENODEV)
1600 goto backlight_failed;
1601 }
1602
1603 status = acpi_install_notify_handler(adev->handle,
1604 ACPI_DEVICE_NOTIFY,
1605 ideapad_acpi_notify, priv);
1606 if (ACPI_FAILURE(status)) {
1607 err = -EIO;
1608 goto notification_failed;
1609 }
1610
1611#if IS_ENABLED(CONFIG_ACPI_WMI)
1612 for (i = 0; i < ARRAY_SIZE(ideapad_wmi_fnesc_events); i++) {
1613 status = wmi_install_notify_handler(ideapad_wmi_fnesc_events[i],
1614 ideapad_wmi_notify, priv);
1615 if (ACPI_SUCCESS(status)) {
1616 priv->fnesc_guid = ideapad_wmi_fnesc_events[i];
1617 break;
1618 }
1619 }
1620
1621 if (ACPI_FAILURE(status) && status != AE_NOT_EXIST) {
1622 err = -EIO;
1623 goto notification_failed_wmi;
1624 }
1625#endif
1626
1627 return 0;
1628
1629#if IS_ENABLED(CONFIG_ACPI_WMI)
1630notification_failed_wmi:
1631 acpi_remove_notify_handler(priv->adev->handle,
1632 ACPI_DEVICE_NOTIFY,
1633 ideapad_acpi_notify);
1634#endif
1635
1636notification_failed:
1637 ideapad_backlight_exit(priv);
1638
1639backlight_failed:
1640 ideapad_dytc_profile_exit(priv);
1641
1642 for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
1643 ideapad_unregister_rfkill(priv, i);
1644
1645 ideapad_kbd_bl_exit(priv);
1646 ideapad_input_exit(priv);
1647
1648input_failed:
1649 ideapad_debugfs_exit(priv);
1650 ideapad_sysfs_exit(priv);
1651
1652 return err;
1653}
1654
1655static int ideapad_acpi_remove(struct platform_device *pdev)
1656{
1657 struct ideapad_private *priv = dev_get_drvdata(&pdev->dev);
1658 int i;
1659
1660#if IS_ENABLED(CONFIG_ACPI_WMI)
1661 if (priv->fnesc_guid)
1662 wmi_remove_notify_handler(priv->fnesc_guid);
1663#endif
1664
1665 acpi_remove_notify_handler(priv->adev->handle,
1666 ACPI_DEVICE_NOTIFY,
1667 ideapad_acpi_notify);
1668
1669 ideapad_backlight_exit(priv);
1670 ideapad_dytc_profile_exit(priv);
1671
1672 for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
1673 ideapad_unregister_rfkill(priv, i);
1674
1675 ideapad_kbd_bl_exit(priv);
1676 ideapad_input_exit(priv);
1677 ideapad_debugfs_exit(priv);
1678 ideapad_sysfs_exit(priv);
1679
1680 return 0;
1681}
1682
1683#ifdef CONFIG_PM_SLEEP
1684static int ideapad_acpi_resume(struct device *dev)
1685{
1686 struct ideapad_private *priv = dev_get_drvdata(dev);
1687
1688 ideapad_sync_rfk_state(priv);
1689 ideapad_sync_touchpad_state(priv);
1690
1691 if (priv->dytc)
1692 dytc_profile_refresh(priv);
1693
1694 return 0;
1695}
1696#endif
1697static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume);
1698
1699static const struct acpi_device_id ideapad_device_ids[] = {
1700 {"VPC2004", 0},
1701 {"", 0},
1702};
1703MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
1704
1705static struct platform_driver ideapad_acpi_driver = {
1706 .probe = ideapad_acpi_add,
1707 .remove = ideapad_acpi_remove,
1708 .driver = {
1709 .name = "ideapad_acpi",
1710 .pm = &ideapad_pm,
1711 .acpi_match_table = ACPI_PTR(ideapad_device_ids),
1712 },
1713};
1714
1715module_platform_driver(ideapad_acpi_driver);
1716
1717MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
1718MODULE_DESCRIPTION("IdeaPad ACPI Extras");
1719MODULE_LICENSE("GPL");
1720
