1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Acer WMI Laptop Extras
4 *
5 * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
6 *
7 * Based on acer_acpi:
8 * Copyright (C) 2005-2007 E.M. Smith
9 * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com>
10 */
11
12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/init.h>
17 #include <linux/types.h>
18 #include <linux/dmi.h>
19 #include <linux/backlight.h>
20 #include <linux/leds.h>
21 #include <linux/platform_device.h>
22 #include <linux/platform_profile.h>
23 #include <linux/acpi.h>
24 #include <linux/i8042.h>
25 #include <linux/rfkill.h>
26 #include <linux/workqueue.h>
27 #include <linux/debugfs.h>
28 #include <linux/slab.h>
29 #include <linux/input.h>
30 #include <linux/input/sparse-keymap.h>
31 #include <acpi/video.h>
32 #include <linux/hwmon.h>
33 #include <linux/bitfield.h>
34
35 MODULE_AUTHOR("Carlos Corbacho");
36 MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
37 MODULE_LICENSE("GPL");
38
39 /*
40 * Magic Number
41 * Meaning is unknown - this number is required for writing to ACPI for AMW0
42 * (it's also used in acerhk when directly accessing the BIOS)
43 */
44 #define ACER_AMW0_WRITE 0x9610
45
46 /*
47 * Bit masks for the AMW0 interface
48 */
49 #define ACER_AMW0_WIRELESS_MASK 0x35
50 #define ACER_AMW0_BLUETOOTH_MASK 0x34
51 #define ACER_AMW0_MAILLED_MASK 0x31
52
53 /*
54 * Method IDs for WMID interface
55 */
56 #define ACER_WMID_GET_WIRELESS_METHODID 1
57 #define ACER_WMID_GET_BLUETOOTH_METHODID 2
58 #define ACER_WMID_GET_BRIGHTNESS_METHODID 3
59 #define ACER_WMID_SET_WIRELESS_METHODID 4
60 #define ACER_WMID_SET_BLUETOOTH_METHODID 5
61 #define ACER_WMID_SET_BRIGHTNESS_METHODID 6
62 #define ACER_WMID_GET_THREEG_METHODID 10
63 #define ACER_WMID_SET_THREEG_METHODID 11
64
65 #define ACER_WMID_SET_GAMING_LED_METHODID 2
66 #define ACER_WMID_GET_GAMING_LED_METHODID 4
67 #define ACER_WMID_GET_GAMING_SYS_INFO_METHODID 5
68 #define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14
69 #define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22
70
71 #define ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET 0x54
72
73 #define ACER_PREDATOR_V4_FAN_SPEED_READ_BIT_MASK GENMASK(20, 8)
74
75 /*
76 * Acer ACPI method GUIDs
77 */
78 #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
79 #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
80 #define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
81 #define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
82 #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
83 #define WMID_GUID4 "7A4DDFE7-5B5D-40B4-8595-4408E0CC7F56"
84
85 /*
86 * Acer ACPI event GUIDs
87 */
88 #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
89
90 MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
91 MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
92 MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
93
94 enum acer_wmi_event_ids {
95 WMID_HOTKEY_EVENT = 0x1,
96 WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
97 WMID_GAMING_TURBO_KEY_EVENT = 0x7,
98 };
99
100 enum acer_wmi_predator_v4_sys_info_command {
101 ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS = 0x02,
102 ACER_WMID_CMD_GET_PREDATOR_V4_CPU_FAN_SPEED = 0x0201,
103 ACER_WMID_CMD_GET_PREDATOR_V4_GPU_FAN_SPEED = 0x0601,
104 };
105
106 static const struct key_entry acer_wmi_keymap[] __initconst = {
107 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
108 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
109 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
110 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
111 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
112 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
113 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
114 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
115 {KE_KEY, 0x27, {KEY_HELP} },
116 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
117 {KE_IGNORE, 0x41, {KEY_MUTE} },
118 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
119 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
120 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
121 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
122 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
123 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
124 {KE_IGNORE, 0x45, {KEY_STOP} },
125 {KE_IGNORE, 0x50, {KEY_STOP} },
126 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
127 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
128 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
129 /*
130 * 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event
131 * with the "Video Bus" input device events. But sometimes it is not
132 * a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that
133 * udev/hwdb can override it on systems where it is not a dup.
134 */
135 {KE_KEY, 0x61, {KEY_UNKNOWN} },
136 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
137 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
138 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
139 {KE_IGNORE, 0x81, {KEY_SLEEP} },
140 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
141 {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
142 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
143 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
144 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
145 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
146 {KE_KEY, 0x86, {KEY_WLAN} },
147 {KE_KEY, 0x87, {KEY_POWER} },
148 {KE_END, 0}
149 };
150
151 static struct input_dev *acer_wmi_input_dev;
152 static struct input_dev *acer_wmi_accel_dev;
153
154 struct event_return_value {
155 u8 function;
156 u8 key_num;
157 u16 device_state;
158 u16 reserved1;
159 u8 kbd_dock_state;
160 u8 reserved2;
161 } __packed;
162
163 /*
164 * GUID3 Get Device Status device flags
165 */
166 #define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
167 #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
168 #define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
169 #define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
170 #define ACER_WMID3_GDS_RFBTN (1<<14) /* RF Button */
171
172 #define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
173
174 /* Hotkey Customized Setting and Acer Application Status.
175 * Set Device Default Value and Report Acer Application Status.
176 * When Acer Application starts, it will run this method to inform
177 * BIOS/EC that Acer Application is on.
178 * App Status
179 * Bit[0]: Launch Manager Status
180 * Bit[1]: ePM Status
181 * Bit[2]: Device Control Status
182 * Bit[3]: Acer Power Button Utility Status
183 * Bit[4]: RF Button Status
184 * Bit[5]: ODD PM Status
185 * Bit[6]: Device Default Value Control
186 * Bit[7]: Hall Sensor Application Status
187 */
188 struct func_input_params {
189 u8 function_num; /* Function Number */
190 u16 commun_devices; /* Communication type devices default status */
191 u16 devices; /* Other type devices default status */
192 u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
193 u8 app_mask; /* Bit mask to app_status */
194 u8 reserved;
195 } __packed;
196
197 struct func_return_value {
198 u8 error_code; /* Error Code */
199 u8 ec_return_value; /* EC Return Value */
200 u16 reserved;
201 } __packed;
202
203 struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
204 u8 function_num; /* Function Number */
205 u8 hotkey_number; /* Hotkey Number */
206 u16 devices; /* Set Device */
207 u8 volume_value; /* Volume Value */
208 } __packed;
209
210 struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
211 u8 function_num; /* Function Number */
212 u8 hotkey_number; /* Hotkey Number */
213 u16 devices; /* Get Device */
214 } __packed;
215
216 struct wmid3_gds_return_value { /* Get Device Status return value*/
217 u8 error_code; /* Error Code */
218 u8 ec_return_value; /* EC Return Value */
219 u16 devices; /* Current Device Status */
220 u32 reserved;
221 } __packed;
222
223 struct hotkey_function_type_aa {
224 u8 type;
225 u8 length;
226 u16 handle;
227 u16 commun_func_bitmap;
228 u16 application_func_bitmap;
229 u16 media_func_bitmap;
230 u16 display_func_bitmap;
231 u16 others_func_bitmap;
232 u8 commun_fn_key_number;
233 } __packed;
234
235 /*
236 * Interface capability flags
237 */
238 #define ACER_CAP_MAILLED BIT(0)
239 #define ACER_CAP_WIRELESS BIT(1)
240 #define ACER_CAP_BLUETOOTH BIT(2)
241 #define ACER_CAP_BRIGHTNESS BIT(3)
242 #define ACER_CAP_THREEG BIT(4)
243 #define ACER_CAP_SET_FUNCTION_MODE BIT(5)
244 #define ACER_CAP_KBD_DOCK BIT(6)
245 #define ACER_CAP_TURBO_OC BIT(7)
246 #define ACER_CAP_TURBO_LED BIT(8)
247 #define ACER_CAP_TURBO_FAN BIT(9)
248 #define ACER_CAP_PLATFORM_PROFILE BIT(10)
249 #define ACER_CAP_FAN_SPEED_READ BIT(11)
250
251 /*
252 * Interface type flags
253 */
254 enum interface_flags {
255 ACER_AMW0,
256 ACER_AMW0_V2,
257 ACER_WMID,
258 ACER_WMID_v2,
259 };
260
261 static int max_brightness = 0xF;
262
263 static int mailled = -1;
264 static int brightness = -1;
265 static int threeg = -1;
266 static int force_series;
267 static int force_caps = -1;
268 static bool ec_raw_mode;
269 static bool has_type_aa;
270 static u16 commun_func_bitmap;
271 static u8 commun_fn_key_number;
272 static bool cycle_gaming_thermal_profile = true;
273 static bool predator_v4;
274
275 module_param(mailled, int, 0444);
276 module_param(brightness, int, 0444);
277 module_param(threeg, int, 0444);
278 module_param(force_series, int, 0444);
279 module_param(force_caps, int, 0444);
280 module_param(ec_raw_mode, bool, 0444);
281 module_param(cycle_gaming_thermal_profile, bool, 0644);
282 module_param(predator_v4, bool, 0444);
283 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
284 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
285 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
286 MODULE_PARM_DESC(force_series, "Force a different laptop series");
287 MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
288 MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
289 MODULE_PARM_DESC(cycle_gaming_thermal_profile,
290 "Set thermal mode key in cycle mode. Disabling it sets the mode key in turbo toggle mode");
291 MODULE_PARM_DESC(predator_v4,
292 "Enable features for predator laptops that use predator sense v4");
293
294 struct acer_data {
295 int mailled;
296 int threeg;
297 int brightness;
298 };
299
300 struct acer_debug {
301 struct dentry *root;
302 u32 wmid_devices;
303 };
304
305 static struct rfkill *wireless_rfkill;
306 static struct rfkill *bluetooth_rfkill;
307 static struct rfkill *threeg_rfkill;
308 static bool rfkill_inited;
309
310 /* Each low-level interface must define at least some of the following */
311 struct wmi_interface {
312 /* The WMI device type */
313 u32 type;
314
315 /* The capabilities this interface provides */
316 u32 capability;
317
318 /* Private data for the current interface */
319 struct acer_data data;
320
321 /* debugfs entries associated with this interface */
322 struct acer_debug debug;
323 };
324
325 /* The static interface pointer, points to the currently detected interface */
326 static struct wmi_interface *interface;
327
328 /*
329 * Embedded Controller quirks
330 * Some laptops require us to directly access the EC to either enable or query
331 * features that are not available through WMI.
332 */
333
334 struct quirk_entry {
335 u8 wireless;
336 u8 mailled;
337 s8 brightness;
338 u8 bluetooth;
339 u8 turbo;
340 u8 cpu_fans;
341 u8 gpu_fans;
342 u8 predator_v4;
343 };
344
345 static struct quirk_entry *quirks;
346
set_quirks(void)347 static void __init set_quirks(void)
348 {
349 if (quirks->mailled)
350 interface->capability |= ACER_CAP_MAILLED;
351
352 if (quirks->brightness)
353 interface->capability |= ACER_CAP_BRIGHTNESS;
354
355 if (quirks->turbo)
356 interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED
357 | ACER_CAP_TURBO_FAN;
358
359 if (quirks->predator_v4)
360 interface->capability |= ACER_CAP_PLATFORM_PROFILE |
361 ACER_CAP_FAN_SPEED_READ;
362 }
363
dmi_matched(const struct dmi_system_id * dmi)364 static int __init dmi_matched(const struct dmi_system_id *dmi)
365 {
366 quirks = dmi->driver_data;
367 return 1;
368 }
369
set_force_caps(const struct dmi_system_id * dmi)370 static int __init set_force_caps(const struct dmi_system_id *dmi)
371 {
372 if (force_caps == -1) {
373 force_caps = (uintptr_t)dmi->driver_data;
374 pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
375 }
376 return 1;
377 }
378
379 static struct quirk_entry quirk_unknown = {
380 };
381
382 static struct quirk_entry quirk_acer_aspire_1520 = {
383 .brightness = -1,
384 };
385
386 static struct quirk_entry quirk_acer_travelmate_2490 = {
387 .mailled = 1,
388 };
389
390 static struct quirk_entry quirk_acer_predator_ph315_53 = {
391 .turbo = 1,
392 .cpu_fans = 1,
393 .gpu_fans = 1,
394 };
395
396 static struct quirk_entry quirk_acer_predator_v4 = {
397 .predator_v4 = 1,
398 };
399
400 /* This AMW0 laptop has no bluetooth */
401 static struct quirk_entry quirk_medion_md_98300 = {
402 .wireless = 1,
403 };
404
405 static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
406 .wireless = 2,
407 };
408
409 static struct quirk_entry quirk_lenovo_ideapad_s205 = {
410 .wireless = 3,
411 };
412
413 /* The Aspire One has a dummy ACPI-WMI interface - disable it */
414 static const struct dmi_system_id acer_blacklist[] __initconst = {
415 {
416 .ident = "Acer Aspire One (SSD)",
417 .matches = {
418 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
419 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
420 },
421 },
422 {
423 .ident = "Acer Aspire One (HDD)",
424 .matches = {
425 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
426 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
427 },
428 },
429 {}
430 };
431
432 static const struct dmi_system_id amw0_whitelist[] __initconst = {
433 {
434 .ident = "Acer",
435 .matches = {
436 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
437 },
438 },
439 {
440 .ident = "Gateway",
441 .matches = {
442 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
443 },
444 },
445 {
446 .ident = "Packard Bell",
447 .matches = {
448 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
449 },
450 },
451 {}
452 };
453
454 /*
455 * This quirk table is only for Acer/Gateway/Packard Bell family
456 * that those machines are supported by acer-wmi driver.
457 */
458 static const struct dmi_system_id acer_quirks[] __initconst = {
459 {
460 .callback = dmi_matched,
461 .ident = "Acer Aspire 1360",
462 .matches = {
463 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
464 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
465 },
466 .driver_data = &quirk_acer_aspire_1520,
467 },
468 {
469 .callback = dmi_matched,
470 .ident = "Acer Aspire 1520",
471 .matches = {
472 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
473 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
474 },
475 .driver_data = &quirk_acer_aspire_1520,
476 },
477 {
478 .callback = dmi_matched,
479 .ident = "Acer Aspire 3100",
480 .matches = {
481 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
482 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
483 },
484 .driver_data = &quirk_acer_travelmate_2490,
485 },
486 {
487 .callback = dmi_matched,
488 .ident = "Acer Aspire 3610",
489 .matches = {
490 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
491 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
492 },
493 .driver_data = &quirk_acer_travelmate_2490,
494 },
495 {
496 .callback = dmi_matched,
497 .ident = "Acer Aspire 5100",
498 .matches = {
499 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
500 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
501 },
502 .driver_data = &quirk_acer_travelmate_2490,
503 },
504 {
505 .callback = dmi_matched,
506 .ident = "Acer Aspire 5610",
507 .matches = {
508 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
509 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
510 },
511 .driver_data = &quirk_acer_travelmate_2490,
512 },
513 {
514 .callback = dmi_matched,
515 .ident = "Acer Aspire 5630",
516 .matches = {
517 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
518 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
519 },
520 .driver_data = &quirk_acer_travelmate_2490,
521 },
522 {
523 .callback = dmi_matched,
524 .ident = "Acer Aspire 5650",
525 .matches = {
526 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
527 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
528 },
529 .driver_data = &quirk_acer_travelmate_2490,
530 },
531 {
532 .callback = dmi_matched,
533 .ident = "Acer Aspire 5680",
534 .matches = {
535 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
536 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
537 },
538 .driver_data = &quirk_acer_travelmate_2490,
539 },
540 {
541 .callback = dmi_matched,
542 .ident = "Acer Aspire 9110",
543 .matches = {
544 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
545 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
546 },
547 .driver_data = &quirk_acer_travelmate_2490,
548 },
549 {
550 .callback = dmi_matched,
551 .ident = "Acer TravelMate 2490",
552 .matches = {
553 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
554 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
555 },
556 .driver_data = &quirk_acer_travelmate_2490,
557 },
558 {
559 .callback = dmi_matched,
560 .ident = "Acer TravelMate 4200",
561 .matches = {
562 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
563 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
564 },
565 .driver_data = &quirk_acer_travelmate_2490,
566 },
567 {
568 .callback = dmi_matched,
569 .ident = "Acer Predator PH315-53",
570 .matches = {
571 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
572 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"),
573 },
574 .driver_data = &quirk_acer_predator_ph315_53,
575 },
576 {
577 .callback = dmi_matched,
578 .ident = "Acer Predator PHN16-71",
579 .matches = {
580 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
581 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PHN16-71"),
582 },
583 .driver_data = &quirk_acer_predator_v4,
584 },
585 {
586 .callback = dmi_matched,
587 .ident = "Acer Predator PH16-71",
588 .matches = {
589 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
590 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-71"),
591 },
592 .driver_data = &quirk_acer_predator_v4,
593 },
594 {
595 .callback = dmi_matched,
596 .ident = "Acer Predator PH18-71",
597 .matches = {
598 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
599 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH18-71"),
600 },
601 .driver_data = &quirk_acer_predator_v4,
602 },
603 {
604 .callback = set_force_caps,
605 .ident = "Acer Aspire Switch 10E SW3-016",
606 .matches = {
607 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
608 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
609 },
610 .driver_data = (void *)ACER_CAP_KBD_DOCK,
611 },
612 {
613 .callback = set_force_caps,
614 .ident = "Acer Aspire Switch 10 SW5-012",
615 .matches = {
616 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
617 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
618 },
619 .driver_data = (void *)ACER_CAP_KBD_DOCK,
620 },
621 {
622 .callback = set_force_caps,
623 .ident = "Acer Aspire Switch V 10 SW5-017",
624 .matches = {
625 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
626 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
627 },
628 .driver_data = (void *)ACER_CAP_KBD_DOCK,
629 },
630 {
631 .callback = set_force_caps,
632 .ident = "Acer One 10 (S1003)",
633 .matches = {
634 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
635 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
636 },
637 .driver_data = (void *)ACER_CAP_KBD_DOCK,
638 },
639 {}
640 };
641
642 /*
643 * This quirk list is for those non-acer machines that have AMW0_GUID1
644 * but supported by acer-wmi in past days. Keeping this quirk list here
645 * is only for backward compatible. Please do not add new machine to
646 * here anymore. Those non-acer machines should be supported by
647 * appropriate wmi drivers.
648 */
649 static const struct dmi_system_id non_acer_quirks[] __initconst = {
650 {
651 .callback = dmi_matched,
652 .ident = "Fujitsu Siemens Amilo Li 1718",
653 .matches = {
654 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
655 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
656 },
657 .driver_data = &quirk_fujitsu_amilo_li_1718,
658 },
659 {
660 .callback = dmi_matched,
661 .ident = "Medion MD 98300",
662 .matches = {
663 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
664 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
665 },
666 .driver_data = &quirk_medion_md_98300,
667 },
668 {
669 .callback = dmi_matched,
670 .ident = "Lenovo Ideapad S205",
671 .matches = {
672 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
673 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
674 },
675 .driver_data = &quirk_lenovo_ideapad_s205,
676 },
677 {
678 .callback = dmi_matched,
679 .ident = "Lenovo Ideapad S205 (Brazos)",
680 .matches = {
681 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
682 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
683 },
684 .driver_data = &quirk_lenovo_ideapad_s205,
685 },
686 {
687 .callback = dmi_matched,
688 .ident = "Lenovo 3000 N200",
689 .matches = {
690 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
691 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
692 },
693 .driver_data = &quirk_fujitsu_amilo_li_1718,
694 },
695 {
696 .callback = dmi_matched,
697 .ident = "Lenovo Ideapad S205-10382JG",
698 .matches = {
699 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
700 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
701 },
702 .driver_data = &quirk_lenovo_ideapad_s205,
703 },
704 {
705 .callback = dmi_matched,
706 .ident = "Lenovo Ideapad S205-1038DPG",
707 .matches = {
708 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
709 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
710 },
711 .driver_data = &quirk_lenovo_ideapad_s205,
712 },
713 {}
714 };
715
716 static struct platform_profile_handler platform_profile_handler;
717 static bool platform_profile_support;
718
719 /*
720 * The profile used before turbo mode. This variable is needed for
721 * returning from turbo mode when the mode key is in toggle mode.
722 */
723 static int last_non_turbo_profile;
724
725 enum acer_predator_v4_thermal_profile_ec {
726 ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x04,
727 ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x03,
728 ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x02,
729 ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x01,
730 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x00,
731 };
732
733 enum acer_predator_v4_thermal_profile_wmi {
734 ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI = 0x060B,
735 ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI = 0x050B,
736 ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI = 0x040B,
737 ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI = 0x0B,
738 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI = 0x010B,
739 };
740
741 /* Find which quirks are needed for a particular vendor/ model pair */
find_quirks(void)742 static void __init find_quirks(void)
743 {
744 if (predator_v4) {
745 quirks = &quirk_acer_predator_v4;
746 } else if (!force_series) {
747 dmi_check_system(acer_quirks);
748 dmi_check_system(non_acer_quirks);
749 } else if (force_series == 2490) {
750 quirks = &quirk_acer_travelmate_2490;
751 }
752
753 if (quirks == NULL)
754 quirks = &quirk_unknown;
755 }
756
757 /*
758 * General interface convenience methods
759 */
760
has_cap(u32 cap)761 static bool has_cap(u32 cap)
762 {
763 return interface->capability & cap;
764 }
765
766 /*
767 * AMW0 (V1) interface
768 */
769 struct wmab_args {
770 u32 eax;
771 u32 ebx;
772 u32 ecx;
773 u32 edx;
774 };
775
776 struct wmab_ret {
777 u32 eax;
778 u32 ebx;
779 u32 ecx;
780 u32 edx;
781 u32 eex;
782 };
783
wmab_execute(struct wmab_args * regbuf,struct acpi_buffer * result)784 static acpi_status wmab_execute(struct wmab_args *regbuf,
785 struct acpi_buffer *result)
786 {
787 struct acpi_buffer input;
788 acpi_status status;
789 input.length = sizeof(struct wmab_args);
790 input.pointer = (u8 *)regbuf;
791
792 status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
793
794 return status;
795 }
796
AMW0_get_u32(u32 * value,u32 cap)797 static acpi_status AMW0_get_u32(u32 *value, u32 cap)
798 {
799 int err;
800 u8 result;
801
802 switch (cap) {
803 case ACER_CAP_MAILLED:
804 switch (quirks->mailled) {
805 default:
806 err = ec_read(0xA, &result);
807 if (err)
808 return AE_ERROR;
809 *value = (result >> 7) & 0x1;
810 return AE_OK;
811 }
812 break;
813 case ACER_CAP_WIRELESS:
814 switch (quirks->wireless) {
815 case 1:
816 err = ec_read(0x7B, &result);
817 if (err)
818 return AE_ERROR;
819 *value = result & 0x1;
820 return AE_OK;
821 case 2:
822 err = ec_read(0x71, &result);
823 if (err)
824 return AE_ERROR;
825 *value = result & 0x1;
826 return AE_OK;
827 case 3:
828 err = ec_read(0x78, &result);
829 if (err)
830 return AE_ERROR;
831 *value = result & 0x1;
832 return AE_OK;
833 default:
834 err = ec_read(0xA, &result);
835 if (err)
836 return AE_ERROR;
837 *value = (result >> 2) & 0x1;
838 return AE_OK;
839 }
840 break;
841 case ACER_CAP_BLUETOOTH:
842 switch (quirks->bluetooth) {
843 default:
844 err = ec_read(0xA, &result);
845 if (err)
846 return AE_ERROR;
847 *value = (result >> 4) & 0x1;
848 return AE_OK;
849 }
850 break;
851 case ACER_CAP_BRIGHTNESS:
852 switch (quirks->brightness) {
853 default:
854 err = ec_read(0x83, &result);
855 if (err)
856 return AE_ERROR;
857 *value = result;
858 return AE_OK;
859 }
860 break;
861 default:
862 return AE_ERROR;
863 }
864 return AE_OK;
865 }
866
AMW0_set_u32(u32 value,u32 cap)867 static acpi_status AMW0_set_u32(u32 value, u32 cap)
868 {
869 struct wmab_args args;
870
871 args.eax = ACER_AMW0_WRITE;
872 args.ebx = value ? (1<<8) : 0;
873 args.ecx = args.edx = 0;
874
875 switch (cap) {
876 case ACER_CAP_MAILLED:
877 if (value > 1)
878 return AE_BAD_PARAMETER;
879 args.ebx |= ACER_AMW0_MAILLED_MASK;
880 break;
881 case ACER_CAP_WIRELESS:
882 if (value > 1)
883 return AE_BAD_PARAMETER;
884 args.ebx |= ACER_AMW0_WIRELESS_MASK;
885 break;
886 case ACER_CAP_BLUETOOTH:
887 if (value > 1)
888 return AE_BAD_PARAMETER;
889 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
890 break;
891 case ACER_CAP_BRIGHTNESS:
892 if (value > max_brightness)
893 return AE_BAD_PARAMETER;
894 switch (quirks->brightness) {
895 default:
896 return ec_write(0x83, value);
897 }
898 default:
899 return AE_ERROR;
900 }
901
902 /* Actually do the set */
903 return wmab_execute(&args, NULL);
904 }
905
AMW0_find_mailled(void)906 static acpi_status __init AMW0_find_mailled(void)
907 {
908 struct wmab_args args;
909 struct wmab_ret ret;
910 acpi_status status = AE_OK;
911 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
912 union acpi_object *obj;
913
914 args.eax = 0x86;
915 args.ebx = args.ecx = args.edx = 0;
916
917 status = wmab_execute(&args, &out);
918 if (ACPI_FAILURE(status))
919 return status;
920
921 obj = (union acpi_object *) out.pointer;
922 if (obj && obj->type == ACPI_TYPE_BUFFER &&
923 obj->buffer.length == sizeof(struct wmab_ret)) {
924 ret = *((struct wmab_ret *) obj->buffer.pointer);
925 } else {
926 kfree(out.pointer);
927 return AE_ERROR;
928 }
929
930 if (ret.eex & 0x1)
931 interface->capability |= ACER_CAP_MAILLED;
932
933 kfree(out.pointer);
934
935 return AE_OK;
936 }
937
938 static const struct acpi_device_id norfkill_ids[] __initconst = {
939 { "VPC2004", 0},
940 { "IBM0068", 0},
941 { "LEN0068", 0},
942 { "SNY5001", 0}, /* sony-laptop in charge */
943 { "HPQ6601", 0},
944 { "", 0},
945 };
946
AMW0_set_cap_acpi_check_device(void)947 static int __init AMW0_set_cap_acpi_check_device(void)
948 {
949 const struct acpi_device_id *id;
950
951 for (id = norfkill_ids; id->id[0]; id++)
952 if (acpi_dev_found(id->id))
953 return true;
954
955 return false;
956 }
957
AMW0_set_capabilities(void)958 static acpi_status __init AMW0_set_capabilities(void)
959 {
960 struct wmab_args args;
961 struct wmab_ret ret;
962 acpi_status status;
963 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
964 union acpi_object *obj;
965
966 /*
967 * On laptops with this strange GUID (non Acer), normal probing doesn't
968 * work.
969 */
970 if (wmi_has_guid(AMW0_GUID2)) {
971 if ((quirks != &quirk_unknown) ||
972 !AMW0_set_cap_acpi_check_device())
973 interface->capability |= ACER_CAP_WIRELESS;
974 return AE_OK;
975 }
976
977 args.eax = ACER_AMW0_WRITE;
978 args.ecx = args.edx = 0;
979
980 args.ebx = 0xa2 << 8;
981 args.ebx |= ACER_AMW0_WIRELESS_MASK;
982
983 status = wmab_execute(&args, &out);
984 if (ACPI_FAILURE(status))
985 return status;
986
987 obj = out.pointer;
988 if (obj && obj->type == ACPI_TYPE_BUFFER &&
989 obj->buffer.length == sizeof(struct wmab_ret)) {
990 ret = *((struct wmab_ret *) obj->buffer.pointer);
991 } else {
992 status = AE_ERROR;
993 goto out;
994 }
995
996 if (ret.eax & 0x1)
997 interface->capability |= ACER_CAP_WIRELESS;
998
999 args.ebx = 2 << 8;
1000 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
1001
1002 /*
1003 * It's ok to use existing buffer for next wmab_execute call.
1004 * But we need to kfree(out.pointer) if next wmab_execute fail.
1005 */
1006 status = wmab_execute(&args, &out);
1007 if (ACPI_FAILURE(status))
1008 goto out;
1009
1010 obj = (union acpi_object *) out.pointer;
1011 if (obj && obj->type == ACPI_TYPE_BUFFER
1012 && obj->buffer.length == sizeof(struct wmab_ret)) {
1013 ret = *((struct wmab_ret *) obj->buffer.pointer);
1014 } else {
1015 status = AE_ERROR;
1016 goto out;
1017 }
1018
1019 if (ret.eax & 0x1)
1020 interface->capability |= ACER_CAP_BLUETOOTH;
1021
1022 /*
1023 * This appears to be safe to enable, since all Wistron based laptops
1024 * appear to use the same EC register for brightness, even if they
1025 * differ for wireless, etc
1026 */
1027 if (quirks->brightness >= 0)
1028 interface->capability |= ACER_CAP_BRIGHTNESS;
1029
1030 status = AE_OK;
1031 out:
1032 kfree(out.pointer);
1033 return status;
1034 }
1035
1036 static struct wmi_interface AMW0_interface = {
1037 .type = ACER_AMW0,
1038 };
1039
1040 static struct wmi_interface AMW0_V2_interface = {
1041 .type = ACER_AMW0_V2,
1042 };
1043
1044 /*
1045 * New interface (The WMID interface)
1046 */
1047 static acpi_status
WMI_execute_u32(u32 method_id,u32 in,u32 * out)1048 WMI_execute_u32(u32 method_id, u32 in, u32 *out)
1049 {
1050 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
1051 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1052 union acpi_object *obj;
1053 u32 tmp = 0;
1054 acpi_status status;
1055
1056 status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
1057
1058 if (ACPI_FAILURE(status))
1059 return status;
1060
1061 obj = (union acpi_object *) result.pointer;
1062 if (obj) {
1063 if (obj->type == ACPI_TYPE_BUFFER &&
1064 (obj->buffer.length == sizeof(u32) ||
1065 obj->buffer.length == sizeof(u64))) {
1066 tmp = *((u32 *) obj->buffer.pointer);
1067 } else if (obj->type == ACPI_TYPE_INTEGER) {
1068 tmp = (u32) obj->integer.value;
1069 }
1070 }
1071
1072 if (out)
1073 *out = tmp;
1074
1075 kfree(result.pointer);
1076
1077 return status;
1078 }
1079
WMID_get_u32(u32 * value,u32 cap)1080 static acpi_status WMID_get_u32(u32 *value, u32 cap)
1081 {
1082 acpi_status status;
1083 u8 tmp;
1084 u32 result, method_id = 0;
1085
1086 switch (cap) {
1087 case ACER_CAP_WIRELESS:
1088 method_id = ACER_WMID_GET_WIRELESS_METHODID;
1089 break;
1090 case ACER_CAP_BLUETOOTH:
1091 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
1092 break;
1093 case ACER_CAP_BRIGHTNESS:
1094 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
1095 break;
1096 case ACER_CAP_THREEG:
1097 method_id = ACER_WMID_GET_THREEG_METHODID;
1098 break;
1099 case ACER_CAP_MAILLED:
1100 if (quirks->mailled == 1) {
1101 ec_read(0x9f, &tmp);
1102 *value = tmp & 0x1;
1103 return 0;
1104 }
1105 fallthrough;
1106 default:
1107 return AE_ERROR;
1108 }
1109 status = WMI_execute_u32(method_id, 0, &result);
1110
1111 if (ACPI_SUCCESS(status))
1112 *value = (u8)result;
1113
1114 return status;
1115 }
1116
WMID_set_u32(u32 value,u32 cap)1117 static acpi_status WMID_set_u32(u32 value, u32 cap)
1118 {
1119 u32 method_id = 0;
1120 char param;
1121
1122 switch (cap) {
1123 case ACER_CAP_BRIGHTNESS:
1124 if (value > max_brightness)
1125 return AE_BAD_PARAMETER;
1126 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1127 break;
1128 case ACER_CAP_WIRELESS:
1129 if (value > 1)
1130 return AE_BAD_PARAMETER;
1131 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1132 break;
1133 case ACER_CAP_BLUETOOTH:
1134 if (value > 1)
1135 return AE_BAD_PARAMETER;
1136 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1137 break;
1138 case ACER_CAP_THREEG:
1139 if (value > 1)
1140 return AE_BAD_PARAMETER;
1141 method_id = ACER_WMID_SET_THREEG_METHODID;
1142 break;
1143 case ACER_CAP_MAILLED:
1144 if (value > 1)
1145 return AE_BAD_PARAMETER;
1146 if (quirks->mailled == 1) {
1147 param = value ? 0x92 : 0x93;
1148 i8042_lock_chip();
1149 i8042_command(¶m, 0x1059);
1150 i8042_unlock_chip();
1151 return 0;
1152 }
1153 break;
1154 default:
1155 return AE_ERROR;
1156 }
1157 return WMI_execute_u32(method_id, (u32)value, NULL);
1158 }
1159
wmid3_get_device_status(u32 * value,u16 device)1160 static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1161 {
1162 struct wmid3_gds_return_value return_value;
1163 acpi_status status;
1164 union acpi_object *obj;
1165 struct wmid3_gds_get_input_param params = {
1166 .function_num = 0x1,
1167 .hotkey_number = commun_fn_key_number,
1168 .devices = device,
1169 };
1170 struct acpi_buffer input = {
1171 sizeof(struct wmid3_gds_get_input_param),
1172 ¶ms
1173 };
1174 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1175
1176 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1177 if (ACPI_FAILURE(status))
1178 return status;
1179
1180 obj = output.pointer;
1181
1182 if (!obj)
1183 return AE_ERROR;
1184 else if (obj->type != ACPI_TYPE_BUFFER) {
1185 kfree(obj);
1186 return AE_ERROR;
1187 }
1188 if (obj->buffer.length != 8) {
1189 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1190 kfree(obj);
1191 return AE_ERROR;
1192 }
1193
1194 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1195 kfree(obj);
1196
1197 if (return_value.error_code || return_value.ec_return_value)
1198 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1199 device,
1200 return_value.error_code,
1201 return_value.ec_return_value);
1202 else
1203 *value = !!(return_value.devices & device);
1204
1205 return status;
1206 }
1207
wmid_v2_get_u32(u32 * value,u32 cap)1208 static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1209 {
1210 u16 device;
1211
1212 switch (cap) {
1213 case ACER_CAP_WIRELESS:
1214 device = ACER_WMID3_GDS_WIRELESS;
1215 break;
1216 case ACER_CAP_BLUETOOTH:
1217 device = ACER_WMID3_GDS_BLUETOOTH;
1218 break;
1219 case ACER_CAP_THREEG:
1220 device = ACER_WMID3_GDS_THREEG;
1221 break;
1222 default:
1223 return AE_ERROR;
1224 }
1225 return wmid3_get_device_status(value, device);
1226 }
1227
wmid3_set_device_status(u32 value,u16 device)1228 static acpi_status wmid3_set_device_status(u32 value, u16 device)
1229 {
1230 struct wmid3_gds_return_value return_value;
1231 acpi_status status;
1232 union acpi_object *obj;
1233 u16 devices;
1234 struct wmid3_gds_get_input_param get_params = {
1235 .function_num = 0x1,
1236 .hotkey_number = commun_fn_key_number,
1237 .devices = commun_func_bitmap,
1238 };
1239 struct acpi_buffer get_input = {
1240 sizeof(struct wmid3_gds_get_input_param),
1241 &get_params
1242 };
1243 struct wmid3_gds_set_input_param set_params = {
1244 .function_num = 0x2,
1245 .hotkey_number = commun_fn_key_number,
1246 .devices = commun_func_bitmap,
1247 };
1248 struct acpi_buffer set_input = {
1249 sizeof(struct wmid3_gds_set_input_param),
1250 &set_params
1251 };
1252 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1253 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1254
1255 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
1256 if (ACPI_FAILURE(status))
1257 return status;
1258
1259 obj = output.pointer;
1260
1261 if (!obj)
1262 return AE_ERROR;
1263 else if (obj->type != ACPI_TYPE_BUFFER) {
1264 kfree(obj);
1265 return AE_ERROR;
1266 }
1267 if (obj->buffer.length != 8) {
1268 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1269 kfree(obj);
1270 return AE_ERROR;
1271 }
1272
1273 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1274 kfree(obj);
1275
1276 if (return_value.error_code || return_value.ec_return_value) {
1277 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1278 return_value.error_code,
1279 return_value.ec_return_value);
1280 return status;
1281 }
1282
1283 devices = return_value.devices;
1284 set_params.devices = (value) ? (devices | device) : (devices & ~device);
1285
1286 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
1287 if (ACPI_FAILURE(status))
1288 return status;
1289
1290 obj = output2.pointer;
1291
1292 if (!obj)
1293 return AE_ERROR;
1294 else if (obj->type != ACPI_TYPE_BUFFER) {
1295 kfree(obj);
1296 return AE_ERROR;
1297 }
1298 if (obj->buffer.length != 4) {
1299 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1300 kfree(obj);
1301 return AE_ERROR;
1302 }
1303
1304 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1305 kfree(obj);
1306
1307 if (return_value.error_code || return_value.ec_return_value)
1308 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1309 return_value.error_code,
1310 return_value.ec_return_value);
1311
1312 return status;
1313 }
1314
wmid_v2_set_u32(u32 value,u32 cap)1315 static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1316 {
1317 u16 device;
1318
1319 switch (cap) {
1320 case ACER_CAP_WIRELESS:
1321 device = ACER_WMID3_GDS_WIRELESS;
1322 break;
1323 case ACER_CAP_BLUETOOTH:
1324 device = ACER_WMID3_GDS_BLUETOOTH;
1325 break;
1326 case ACER_CAP_THREEG:
1327 device = ACER_WMID3_GDS_THREEG;
1328 break;
1329 default:
1330 return AE_ERROR;
1331 }
1332 return wmid3_set_device_status(value, device);
1333 }
1334
type_aa_dmi_decode(const struct dmi_header * header,void * d)1335 static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
1336 {
1337 struct hotkey_function_type_aa *type_aa;
1338
1339 /* We are looking for OEM-specific Type AAh */
1340 if (header->type != 0xAA)
1341 return;
1342
1343 has_type_aa = true;
1344 type_aa = (struct hotkey_function_type_aa *) header;
1345
1346 pr_info("Function bitmap for Communication Button: 0x%x\n",
1347 type_aa->commun_func_bitmap);
1348 commun_func_bitmap = type_aa->commun_func_bitmap;
1349
1350 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1351 interface->capability |= ACER_CAP_WIRELESS;
1352 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1353 interface->capability |= ACER_CAP_THREEG;
1354 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1355 interface->capability |= ACER_CAP_BLUETOOTH;
1356 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
1357 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
1358
1359 commun_fn_key_number = type_aa->commun_fn_key_number;
1360 }
1361
WMID_set_capabilities(void)1362 static acpi_status __init WMID_set_capabilities(void)
1363 {
1364 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1365 union acpi_object *obj;
1366 acpi_status status;
1367 u32 devices;
1368
1369 status = wmi_query_block(WMID_GUID2, 0, &out);
1370 if (ACPI_FAILURE(status))
1371 return status;
1372
1373 obj = (union acpi_object *) out.pointer;
1374 if (obj) {
1375 if (obj->type == ACPI_TYPE_BUFFER &&
1376 (obj->buffer.length == sizeof(u32) ||
1377 obj->buffer.length == sizeof(u64))) {
1378 devices = *((u32 *) obj->buffer.pointer);
1379 } else if (obj->type == ACPI_TYPE_INTEGER) {
1380 devices = (u32) obj->integer.value;
1381 } else {
1382 kfree(out.pointer);
1383 return AE_ERROR;
1384 }
1385 } else {
1386 kfree(out.pointer);
1387 return AE_ERROR;
1388 }
1389
1390 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1391 if (devices & 0x07)
1392 interface->capability |= ACER_CAP_WIRELESS;
1393 if (devices & 0x40)
1394 interface->capability |= ACER_CAP_THREEG;
1395 if (devices & 0x10)
1396 interface->capability |= ACER_CAP_BLUETOOTH;
1397
1398 if (!(devices & 0x20))
1399 max_brightness = 0x9;
1400
1401 kfree(out.pointer);
1402 return status;
1403 }
1404
1405 static struct wmi_interface wmid_interface = {
1406 .type = ACER_WMID,
1407 };
1408
1409 static struct wmi_interface wmid_v2_interface = {
1410 .type = ACER_WMID_v2,
1411 };
1412
1413 /*
1414 * WMID Gaming interface
1415 */
1416
1417 static acpi_status
WMI_gaming_execute_u64(u32 method_id,u64 in,u64 * out)1418 WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out)
1419 {
1420 struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) };
1421 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1422 union acpi_object *obj;
1423 u64 tmp = 0;
1424 acpi_status status;
1425
1426 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1427
1428 if (ACPI_FAILURE(status))
1429 return status;
1430 obj = (union acpi_object *) result.pointer;
1431
1432 if (obj) {
1433 if (obj->type == ACPI_TYPE_BUFFER) {
1434 if (obj->buffer.length == sizeof(u32))
1435 tmp = *((u32 *) obj->buffer.pointer);
1436 else if (obj->buffer.length == sizeof(u64))
1437 tmp = *((u64 *) obj->buffer.pointer);
1438 } else if (obj->type == ACPI_TYPE_INTEGER) {
1439 tmp = (u64) obj->integer.value;
1440 }
1441 }
1442
1443 if (out)
1444 *out = tmp;
1445
1446 kfree(result.pointer);
1447
1448 return status;
1449 }
1450
WMID_gaming_set_u64(u64 value,u32 cap)1451 static acpi_status WMID_gaming_set_u64(u64 value, u32 cap)
1452 {
1453 u32 method_id = 0;
1454
1455 if (!(interface->capability & cap))
1456 return AE_BAD_PARAMETER;
1457
1458 switch (cap) {
1459 case ACER_CAP_TURBO_LED:
1460 method_id = ACER_WMID_SET_GAMING_LED_METHODID;
1461 break;
1462 case ACER_CAP_TURBO_FAN:
1463 method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR;
1464 break;
1465 case ACER_CAP_TURBO_OC:
1466 method_id = ACER_WMID_SET_GAMING_MISC_SETTING_METHODID;
1467 break;
1468 default:
1469 return AE_BAD_PARAMETER;
1470 }
1471
1472 return WMI_gaming_execute_u64(method_id, value, NULL);
1473 }
1474
WMID_gaming_get_u64(u64 * value,u32 cap)1475 static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap)
1476 {
1477 acpi_status status;
1478 u64 result;
1479 u64 input;
1480 u32 method_id;
1481
1482 if (!(interface->capability & cap))
1483 return AE_BAD_PARAMETER;
1484
1485 switch (cap) {
1486 case ACER_CAP_TURBO_LED:
1487 method_id = ACER_WMID_GET_GAMING_LED_METHODID;
1488 input = 0x1;
1489 break;
1490 default:
1491 return AE_BAD_PARAMETER;
1492 }
1493 status = WMI_gaming_execute_u64(method_id, input, &result);
1494 if (ACPI_SUCCESS(status))
1495 *value = (u64) result;
1496
1497 return status;
1498 }
1499
WMID_gaming_set_fan_mode(u8 fan_mode)1500 static void WMID_gaming_set_fan_mode(u8 fan_mode)
1501 {
1502 /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/
1503 u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0;
1504 int i;
1505
1506 if (quirks->cpu_fans > 0)
1507 gpu_fan_config2 |= 1;
1508 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1509 gpu_fan_config2 |= 1 << (i + 1);
1510 for (i = 0; i < quirks->gpu_fans; ++i)
1511 gpu_fan_config2 |= 1 << (i + 3);
1512 if (quirks->cpu_fans > 0)
1513 gpu_fan_config1 |= fan_mode;
1514 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1515 gpu_fan_config1 |= fan_mode << (2 * i + 2);
1516 for (i = 0; i < quirks->gpu_fans; ++i)
1517 gpu_fan_config1 |= fan_mode << (2 * i + 6);
1518 WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN);
1519 }
1520
1521 /*
1522 * Generic Device (interface-independent)
1523 */
1524
get_u32(u32 * value,u32 cap)1525 static acpi_status get_u32(u32 *value, u32 cap)
1526 {
1527 acpi_status status = AE_ERROR;
1528
1529 switch (interface->type) {
1530 case ACER_AMW0:
1531 status = AMW0_get_u32(value, cap);
1532 break;
1533 case ACER_AMW0_V2:
1534 if (cap == ACER_CAP_MAILLED) {
1535 status = AMW0_get_u32(value, cap);
1536 break;
1537 }
1538 fallthrough;
1539 case ACER_WMID:
1540 status = WMID_get_u32(value, cap);
1541 break;
1542 case ACER_WMID_v2:
1543 if (cap & (ACER_CAP_WIRELESS |
1544 ACER_CAP_BLUETOOTH |
1545 ACER_CAP_THREEG))
1546 status = wmid_v2_get_u32(value, cap);
1547 else if (wmi_has_guid(WMID_GUID2))
1548 status = WMID_get_u32(value, cap);
1549 break;
1550 }
1551
1552 return status;
1553 }
1554
set_u32(u32 value,u32 cap)1555 static acpi_status set_u32(u32 value, u32 cap)
1556 {
1557 acpi_status status;
1558
1559 if (interface->capability & cap) {
1560 switch (interface->type) {
1561 case ACER_AMW0:
1562 return AMW0_set_u32(value, cap);
1563 case ACER_AMW0_V2:
1564 if (cap == ACER_CAP_MAILLED)
1565 return AMW0_set_u32(value, cap);
1566
1567 /*
1568 * On some models, some WMID methods don't toggle
1569 * properly. For those cases, we want to run the AMW0
1570 * method afterwards to be certain we've really toggled
1571 * the device state.
1572 */
1573 if (cap == ACER_CAP_WIRELESS ||
1574 cap == ACER_CAP_BLUETOOTH) {
1575 status = WMID_set_u32(value, cap);
1576 if (ACPI_FAILURE(status))
1577 return status;
1578
1579 return AMW0_set_u32(value, cap);
1580 }
1581 fallthrough;
1582 case ACER_WMID:
1583 return WMID_set_u32(value, cap);
1584 case ACER_WMID_v2:
1585 if (cap & (ACER_CAP_WIRELESS |
1586 ACER_CAP_BLUETOOTH |
1587 ACER_CAP_THREEG))
1588 return wmid_v2_set_u32(value, cap);
1589 else if (wmi_has_guid(WMID_GUID2))
1590 return WMID_set_u32(value, cap);
1591 fallthrough;
1592 default:
1593 return AE_BAD_PARAMETER;
1594 }
1595 }
1596 return AE_BAD_PARAMETER;
1597 }
1598
acer_commandline_init(void)1599 static void __init acer_commandline_init(void)
1600 {
1601 /*
1602 * These will all fail silently if the value given is invalid, or the
1603 * capability isn't available on the given interface
1604 */
1605 if (mailled >= 0)
1606 set_u32(mailled, ACER_CAP_MAILLED);
1607 if (!has_type_aa && threeg >= 0)
1608 set_u32(threeg, ACER_CAP_THREEG);
1609 if (brightness >= 0)
1610 set_u32(brightness, ACER_CAP_BRIGHTNESS);
1611 }
1612
1613 /*
1614 * LED device (Mail LED only, no other LEDs known yet)
1615 */
mail_led_set(struct led_classdev * led_cdev,enum led_brightness value)1616 static void mail_led_set(struct led_classdev *led_cdev,
1617 enum led_brightness value)
1618 {
1619 set_u32(value, ACER_CAP_MAILLED);
1620 }
1621
1622 static struct led_classdev mail_led = {
1623 .name = "acer-wmi::mail",
1624 .brightness_set = mail_led_set,
1625 };
1626
acer_led_init(struct device * dev)1627 static int acer_led_init(struct device *dev)
1628 {
1629 return led_classdev_register(dev, &mail_led);
1630 }
1631
acer_led_exit(void)1632 static void acer_led_exit(void)
1633 {
1634 set_u32(LED_OFF, ACER_CAP_MAILLED);
1635 led_classdev_unregister(&mail_led);
1636 }
1637
1638 /*
1639 * Backlight device
1640 */
1641 static struct backlight_device *acer_backlight_device;
1642
read_brightness(struct backlight_device * bd)1643 static int read_brightness(struct backlight_device *bd)
1644 {
1645 u32 value;
1646 get_u32(&value, ACER_CAP_BRIGHTNESS);
1647 return value;
1648 }
1649
update_bl_status(struct backlight_device * bd)1650 static int update_bl_status(struct backlight_device *bd)
1651 {
1652 int intensity = backlight_get_brightness(bd);
1653
1654 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1655
1656 return 0;
1657 }
1658
1659 static const struct backlight_ops acer_bl_ops = {
1660 .get_brightness = read_brightness,
1661 .update_status = update_bl_status,
1662 };
1663
acer_backlight_init(struct device * dev)1664 static int acer_backlight_init(struct device *dev)
1665 {
1666 struct backlight_properties props;
1667 struct backlight_device *bd;
1668
1669 memset(&props, 0, sizeof(struct backlight_properties));
1670 props.type = BACKLIGHT_PLATFORM;
1671 props.max_brightness = max_brightness;
1672 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1673 &props);
1674 if (IS_ERR(bd)) {
1675 pr_err("Could not register Acer backlight device\n");
1676 acer_backlight_device = NULL;
1677 return PTR_ERR(bd);
1678 }
1679
1680 acer_backlight_device = bd;
1681
1682 bd->props.power = BACKLIGHT_POWER_ON;
1683 bd->props.brightness = read_brightness(bd);
1684 backlight_update_status(bd);
1685 return 0;
1686 }
1687
acer_backlight_exit(void)1688 static void acer_backlight_exit(void)
1689 {
1690 backlight_device_unregister(acer_backlight_device);
1691 }
1692
1693 /*
1694 * Accelerometer device
1695 */
1696 static acpi_handle gsensor_handle;
1697
acer_gsensor_init(void)1698 static int acer_gsensor_init(void)
1699 {
1700 acpi_status status;
1701 struct acpi_buffer output;
1702 union acpi_object out_obj;
1703
1704 output.length = sizeof(out_obj);
1705 output.pointer = &out_obj;
1706 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1707 if (ACPI_FAILURE(status))
1708 return -1;
1709
1710 return 0;
1711 }
1712
acer_gsensor_open(struct input_dev * input)1713 static int acer_gsensor_open(struct input_dev *input)
1714 {
1715 return acer_gsensor_init();
1716 }
1717
acer_gsensor_event(void)1718 static int acer_gsensor_event(void)
1719 {
1720 acpi_status status;
1721 struct acpi_buffer output;
1722 union acpi_object out_obj[5];
1723
1724 if (!acer_wmi_accel_dev)
1725 return -1;
1726
1727 output.length = sizeof(out_obj);
1728 output.pointer = out_obj;
1729
1730 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1731 if (ACPI_FAILURE(status))
1732 return -1;
1733
1734 if (out_obj->package.count != 4)
1735 return -1;
1736
1737 input_report_abs(acer_wmi_accel_dev, ABS_X,
1738 (s16)out_obj->package.elements[0].integer.value);
1739 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1740 (s16)out_obj->package.elements[1].integer.value);
1741 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1742 (s16)out_obj->package.elements[2].integer.value);
1743 input_sync(acer_wmi_accel_dev);
1744 return 0;
1745 }
1746
acer_get_fan_speed(int fan)1747 static int acer_get_fan_speed(int fan)
1748 {
1749 if (quirks->predator_v4) {
1750 acpi_status status;
1751 u64 fanspeed;
1752
1753 status = WMI_gaming_execute_u64(
1754 ACER_WMID_GET_GAMING_SYS_INFO_METHODID,
1755 fan == 0 ? ACER_WMID_CMD_GET_PREDATOR_V4_CPU_FAN_SPEED :
1756 ACER_WMID_CMD_GET_PREDATOR_V4_GPU_FAN_SPEED,
1757 &fanspeed);
1758
1759 if (ACPI_FAILURE(status))
1760 return -EIO;
1761
1762 return FIELD_GET(ACER_PREDATOR_V4_FAN_SPEED_READ_BIT_MASK, fanspeed);
1763 }
1764 return -EOPNOTSUPP;
1765 }
1766
1767 /*
1768 * Predator series turbo button
1769 */
acer_toggle_turbo(void)1770 static int acer_toggle_turbo(void)
1771 {
1772 u64 turbo_led_state;
1773
1774 /* Get current state from turbo button */
1775 if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED)))
1776 return -1;
1777
1778 if (turbo_led_state) {
1779 /* Turn off turbo led */
1780 WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
1781
1782 /* Set FAN mode to auto */
1783 WMID_gaming_set_fan_mode(0x1);
1784
1785 /* Set OC to normal */
1786 WMID_gaming_set_u64(0x5, ACER_CAP_TURBO_OC);
1787 WMID_gaming_set_u64(0x7, ACER_CAP_TURBO_OC);
1788 } else {
1789 /* Turn on turbo led */
1790 WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED);
1791
1792 /* Set FAN mode to turbo */
1793 WMID_gaming_set_fan_mode(0x2);
1794
1795 /* Set OC to turbo mode */
1796 WMID_gaming_set_u64(0x205, ACER_CAP_TURBO_OC);
1797 WMID_gaming_set_u64(0x207, ACER_CAP_TURBO_OC);
1798 }
1799 return turbo_led_state;
1800 }
1801
1802 static int
acer_predator_v4_platform_profile_get(struct platform_profile_handler * pprof,enum platform_profile_option * profile)1803 acer_predator_v4_platform_profile_get(struct platform_profile_handler *pprof,
1804 enum platform_profile_option *profile)
1805 {
1806 u8 tp;
1807 int err;
1808
1809 err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET, &tp);
1810
1811 if (err < 0)
1812 return err;
1813
1814 switch (tp) {
1815 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1816 *profile = PLATFORM_PROFILE_PERFORMANCE;
1817 break;
1818 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1819 *profile = PLATFORM_PROFILE_BALANCED_PERFORMANCE;
1820 break;
1821 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1822 *profile = PLATFORM_PROFILE_BALANCED;
1823 break;
1824 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1825 *profile = PLATFORM_PROFILE_QUIET;
1826 break;
1827 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1828 *profile = PLATFORM_PROFILE_LOW_POWER;
1829 break;
1830 default:
1831 return -EOPNOTSUPP;
1832 }
1833
1834 return 0;
1835 }
1836
1837 static int
acer_predator_v4_platform_profile_set(struct platform_profile_handler * pprof,enum platform_profile_option profile)1838 acer_predator_v4_platform_profile_set(struct platform_profile_handler *pprof,
1839 enum platform_profile_option profile)
1840 {
1841 int tp;
1842 acpi_status status;
1843
1844 switch (profile) {
1845 case PLATFORM_PROFILE_PERFORMANCE:
1846 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1847 break;
1848 case PLATFORM_PROFILE_BALANCED_PERFORMANCE:
1849 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI;
1850 break;
1851 case PLATFORM_PROFILE_BALANCED:
1852 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1853 break;
1854 case PLATFORM_PROFILE_QUIET:
1855 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI;
1856 break;
1857 case PLATFORM_PROFILE_LOW_POWER:
1858 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1859 break;
1860 default:
1861 return -EOPNOTSUPP;
1862 }
1863
1864 status = WMI_gaming_execute_u64(
1865 ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL);
1866
1867 if (ACPI_FAILURE(status))
1868 return -EIO;
1869
1870 if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI)
1871 last_non_turbo_profile = tp;
1872
1873 return 0;
1874 }
1875
acer_platform_profile_setup(void)1876 static int acer_platform_profile_setup(void)
1877 {
1878 if (quirks->predator_v4) {
1879 int err;
1880
1881 platform_profile_handler.profile_get =
1882 acer_predator_v4_platform_profile_get;
1883 platform_profile_handler.profile_set =
1884 acer_predator_v4_platform_profile_set;
1885
1886 set_bit(PLATFORM_PROFILE_PERFORMANCE,
1887 platform_profile_handler.choices);
1888 set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE,
1889 platform_profile_handler.choices);
1890 set_bit(PLATFORM_PROFILE_BALANCED,
1891 platform_profile_handler.choices);
1892 set_bit(PLATFORM_PROFILE_QUIET,
1893 platform_profile_handler.choices);
1894 set_bit(PLATFORM_PROFILE_LOW_POWER,
1895 platform_profile_handler.choices);
1896
1897 err = platform_profile_register(&platform_profile_handler);
1898 if (err)
1899 return err;
1900
1901 platform_profile_support = true;
1902
1903 /* Set default non-turbo profile */
1904 last_non_turbo_profile =
1905 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1906 }
1907 return 0;
1908 }
1909
acer_thermal_profile_change(void)1910 static int acer_thermal_profile_change(void)
1911 {
1912 /*
1913 * This mode key can rotate each mode or toggle turbo mode.
1914 * On battery, only ECO and BALANCED mode are available.
1915 */
1916 if (quirks->predator_v4) {
1917 u8 current_tp;
1918 int tp, err;
1919 u64 on_AC;
1920 acpi_status status;
1921
1922 err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET,
1923 ¤t_tp);
1924
1925 if (err < 0)
1926 return err;
1927
1928 /* Check power source */
1929 status = WMI_gaming_execute_u64(
1930 ACER_WMID_GET_GAMING_SYS_INFO_METHODID,
1931 ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS, &on_AC);
1932
1933 if (ACPI_FAILURE(status))
1934 return -EIO;
1935
1936 switch (current_tp) {
1937 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1938 if (!on_AC)
1939 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1940 else if (cycle_gaming_thermal_profile)
1941 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1942 else
1943 tp = last_non_turbo_profile;
1944 break;
1945 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1946 if (!on_AC)
1947 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1948 else
1949 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1950 break;
1951 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1952 if (!on_AC)
1953 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1954 else if (cycle_gaming_thermal_profile)
1955 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI;
1956 else
1957 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1958 break;
1959 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1960 if (!on_AC)
1961 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1962 else if (cycle_gaming_thermal_profile)
1963 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1964 else
1965 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1966 break;
1967 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1968 if (!on_AC)
1969 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1970 else if (cycle_gaming_thermal_profile)
1971 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI;
1972 else
1973 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1974 break;
1975 default:
1976 return -EOPNOTSUPP;
1977 }
1978
1979 status = WMI_gaming_execute_u64(
1980 ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL);
1981
1982 if (ACPI_FAILURE(status))
1983 return -EIO;
1984
1985 /* Store non-turbo profile for turbo mode toggle*/
1986 if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI)
1987 last_non_turbo_profile = tp;
1988
1989 platform_profile_notify();
1990 }
1991
1992 return 0;
1993 }
1994
1995 /*
1996 * Switch series keyboard dock status
1997 */
acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)1998 static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
1999 {
2000 switch (kbd_dock_state) {
2001 case 0x01: /* Docked, traditional clamshell laptop mode */
2002 return 0;
2003 case 0x04: /* Stand-alone tablet */
2004 case 0x40: /* Docked, tent mode, keyboard not usable */
2005 return 1;
2006 default:
2007 pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
2008 }
2009
2010 return 0;
2011 }
2012
acer_kbd_dock_get_initial_state(void)2013 static void acer_kbd_dock_get_initial_state(void)
2014 {
2015 u8 *output, input[8] = { 0x05, 0x00, };
2016 struct acpi_buffer input_buf = { sizeof(input), input };
2017 struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
2018 union acpi_object *obj;
2019 acpi_status status;
2020 int sw_tablet_mode;
2021
2022 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
2023 if (ACPI_FAILURE(status)) {
2024 pr_err("Error getting keyboard-dock initial status: %s\n",
2025 acpi_format_exception(status));
2026 return;
2027 }
2028
2029 obj = output_buf.pointer;
2030 if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
2031 pr_err("Unexpected output format getting keyboard-dock initial status\n");
2032 goto out_free_obj;
2033 }
2034
2035 output = obj->buffer.pointer;
2036 if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
2037 pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
2038 output[0], output[3]);
2039 goto out_free_obj;
2040 }
2041
2042 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
2043 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2044
2045 out_free_obj:
2046 kfree(obj);
2047 }
2048
acer_kbd_dock_event(const struct event_return_value * event)2049 static void acer_kbd_dock_event(const struct event_return_value *event)
2050 {
2051 int sw_tablet_mode;
2052
2053 if (!has_cap(ACER_CAP_KBD_DOCK))
2054 return;
2055
2056 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
2057 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2058 input_sync(acer_wmi_input_dev);
2059 }
2060
2061 /*
2062 * Rfkill devices
2063 */
2064 static void acer_rfkill_update(struct work_struct *ignored);
2065 static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
acer_rfkill_update(struct work_struct * ignored)2066 static void acer_rfkill_update(struct work_struct *ignored)
2067 {
2068 u32 state;
2069 acpi_status status;
2070
2071 if (has_cap(ACER_CAP_WIRELESS)) {
2072 status = get_u32(&state, ACER_CAP_WIRELESS);
2073 if (ACPI_SUCCESS(status)) {
2074 if (quirks->wireless == 3)
2075 rfkill_set_hw_state(wireless_rfkill, !state);
2076 else
2077 rfkill_set_sw_state(wireless_rfkill, !state);
2078 }
2079 }
2080
2081 if (has_cap(ACER_CAP_BLUETOOTH)) {
2082 status = get_u32(&state, ACER_CAP_BLUETOOTH);
2083 if (ACPI_SUCCESS(status))
2084 rfkill_set_sw_state(bluetooth_rfkill, !state);
2085 }
2086
2087 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
2088 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
2089 if (ACPI_SUCCESS(status))
2090 rfkill_set_sw_state(threeg_rfkill, !state);
2091 }
2092
2093 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
2094 }
2095
acer_rfkill_set(void * data,bool blocked)2096 static int acer_rfkill_set(void *data, bool blocked)
2097 {
2098 acpi_status status;
2099 u32 cap = (unsigned long)data;
2100
2101 if (rfkill_inited) {
2102 status = set_u32(!blocked, cap);
2103 if (ACPI_FAILURE(status))
2104 return -ENODEV;
2105 }
2106
2107 return 0;
2108 }
2109
2110 static const struct rfkill_ops acer_rfkill_ops = {
2111 .set_block = acer_rfkill_set,
2112 };
2113
acer_rfkill_register(struct device * dev,enum rfkill_type type,char * name,u32 cap)2114 static struct rfkill *acer_rfkill_register(struct device *dev,
2115 enum rfkill_type type,
2116 char *name, u32 cap)
2117 {
2118 int err;
2119 struct rfkill *rfkill_dev;
2120 u32 state;
2121 acpi_status status;
2122
2123 rfkill_dev = rfkill_alloc(name, dev, type,
2124 &acer_rfkill_ops,
2125 (void *)(unsigned long)cap);
2126 if (!rfkill_dev)
2127 return ERR_PTR(-ENOMEM);
2128
2129 status = get_u32(&state, cap);
2130
2131 err = rfkill_register(rfkill_dev);
2132 if (err) {
2133 rfkill_destroy(rfkill_dev);
2134 return ERR_PTR(err);
2135 }
2136
2137 if (ACPI_SUCCESS(status))
2138 rfkill_set_sw_state(rfkill_dev, !state);
2139
2140 return rfkill_dev;
2141 }
2142
acer_rfkill_init(struct device * dev)2143 static int acer_rfkill_init(struct device *dev)
2144 {
2145 int err;
2146
2147 if (has_cap(ACER_CAP_WIRELESS)) {
2148 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
2149 "acer-wireless", ACER_CAP_WIRELESS);
2150 if (IS_ERR(wireless_rfkill)) {
2151 err = PTR_ERR(wireless_rfkill);
2152 goto error_wireless;
2153 }
2154 }
2155
2156 if (has_cap(ACER_CAP_BLUETOOTH)) {
2157 bluetooth_rfkill = acer_rfkill_register(dev,
2158 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
2159 ACER_CAP_BLUETOOTH);
2160 if (IS_ERR(bluetooth_rfkill)) {
2161 err = PTR_ERR(bluetooth_rfkill);
2162 goto error_bluetooth;
2163 }
2164 }
2165
2166 if (has_cap(ACER_CAP_THREEG)) {
2167 threeg_rfkill = acer_rfkill_register(dev,
2168 RFKILL_TYPE_WWAN, "acer-threeg",
2169 ACER_CAP_THREEG);
2170 if (IS_ERR(threeg_rfkill)) {
2171 err = PTR_ERR(threeg_rfkill);
2172 goto error_threeg;
2173 }
2174 }
2175
2176 rfkill_inited = true;
2177
2178 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2179 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2180 schedule_delayed_work(&acer_rfkill_work,
2181 round_jiffies_relative(HZ));
2182
2183 return 0;
2184
2185 error_threeg:
2186 if (has_cap(ACER_CAP_BLUETOOTH)) {
2187 rfkill_unregister(bluetooth_rfkill);
2188 rfkill_destroy(bluetooth_rfkill);
2189 }
2190 error_bluetooth:
2191 if (has_cap(ACER_CAP_WIRELESS)) {
2192 rfkill_unregister(wireless_rfkill);
2193 rfkill_destroy(wireless_rfkill);
2194 }
2195 error_wireless:
2196 return err;
2197 }
2198
acer_rfkill_exit(void)2199 static void acer_rfkill_exit(void)
2200 {
2201 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2202 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2203 cancel_delayed_work_sync(&acer_rfkill_work);
2204
2205 if (has_cap(ACER_CAP_WIRELESS)) {
2206 rfkill_unregister(wireless_rfkill);
2207 rfkill_destroy(wireless_rfkill);
2208 }
2209
2210 if (has_cap(ACER_CAP_BLUETOOTH)) {
2211 rfkill_unregister(bluetooth_rfkill);
2212 rfkill_destroy(bluetooth_rfkill);
2213 }
2214
2215 if (has_cap(ACER_CAP_THREEG)) {
2216 rfkill_unregister(threeg_rfkill);
2217 rfkill_destroy(threeg_rfkill);
2218 }
2219 }
2220
acer_wmi_notify(union acpi_object * obj,void * context)2221 static void acer_wmi_notify(union acpi_object *obj, void *context)
2222 {
2223 struct event_return_value return_value;
2224 u16 device_state;
2225 const struct key_entry *key;
2226 u32 scancode;
2227
2228 if (!obj)
2229 return;
2230 if (obj->type != ACPI_TYPE_BUFFER) {
2231 pr_warn("Unknown response received %d\n", obj->type);
2232 return;
2233 }
2234 if (obj->buffer.length != 8) {
2235 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2236 return;
2237 }
2238
2239 return_value = *((struct event_return_value *)obj->buffer.pointer);
2240
2241 switch (return_value.function) {
2242 case WMID_HOTKEY_EVENT:
2243 device_state = return_value.device_state;
2244 pr_debug("device state: 0x%x\n", device_state);
2245
2246 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
2247 return_value.key_num);
2248 if (!key) {
2249 pr_warn("Unknown key number - 0x%x\n",
2250 return_value.key_num);
2251 } else {
2252 scancode = return_value.key_num;
2253 switch (key->keycode) {
2254 case KEY_WLAN:
2255 case KEY_BLUETOOTH:
2256 if (has_cap(ACER_CAP_WIRELESS))
2257 rfkill_set_sw_state(wireless_rfkill,
2258 !(device_state & ACER_WMID3_GDS_WIRELESS));
2259 if (has_cap(ACER_CAP_THREEG))
2260 rfkill_set_sw_state(threeg_rfkill,
2261 !(device_state & ACER_WMID3_GDS_THREEG));
2262 if (has_cap(ACER_CAP_BLUETOOTH))
2263 rfkill_set_sw_state(bluetooth_rfkill,
2264 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
2265 break;
2266 case KEY_TOUCHPAD_TOGGLE:
2267 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
2268 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
2269 }
2270 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
2271 }
2272 break;
2273 case WMID_ACCEL_OR_KBD_DOCK_EVENT:
2274 acer_gsensor_event();
2275 acer_kbd_dock_event(&return_value);
2276 break;
2277 case WMID_GAMING_TURBO_KEY_EVENT:
2278 if (return_value.key_num == 0x4)
2279 acer_toggle_turbo();
2280 if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
2281 acer_thermal_profile_change();
2282 break;
2283 default:
2284 pr_warn("Unknown function number - %d - %d\n",
2285 return_value.function, return_value.key_num);
2286 break;
2287 }
2288 }
2289
2290 static acpi_status __init
wmid3_set_function_mode(struct func_input_params * params,struct func_return_value * return_value)2291 wmid3_set_function_mode(struct func_input_params *params,
2292 struct func_return_value *return_value)
2293 {
2294 acpi_status status;
2295 union acpi_object *obj;
2296
2297 struct acpi_buffer input = { sizeof(struct func_input_params), params };
2298 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2299
2300 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
2301 if (ACPI_FAILURE(status))
2302 return status;
2303
2304 obj = output.pointer;
2305
2306 if (!obj)
2307 return AE_ERROR;
2308 else if (obj->type != ACPI_TYPE_BUFFER) {
2309 kfree(obj);
2310 return AE_ERROR;
2311 }
2312 if (obj->buffer.length != 4) {
2313 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2314 kfree(obj);
2315 return AE_ERROR;
2316 }
2317
2318 *return_value = *((struct func_return_value *)obj->buffer.pointer);
2319 kfree(obj);
2320
2321 return status;
2322 }
2323
acer_wmi_enable_ec_raw(void)2324 static int __init acer_wmi_enable_ec_raw(void)
2325 {
2326 struct func_return_value return_value;
2327 acpi_status status;
2328 struct func_input_params params = {
2329 .function_num = 0x1,
2330 .commun_devices = 0xFFFF,
2331 .devices = 0xFFFF,
2332 .app_status = 0x00, /* Launch Manager Deactive */
2333 .app_mask = 0x01,
2334 };
2335
2336 status = wmid3_set_function_mode(¶ms, &return_value);
2337
2338 if (return_value.error_code || return_value.ec_return_value)
2339 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
2340 return_value.error_code,
2341 return_value.ec_return_value);
2342 else
2343 pr_info("Enabled EC raw mode\n");
2344
2345 return status;
2346 }
2347
acer_wmi_enable_lm(void)2348 static int __init acer_wmi_enable_lm(void)
2349 {
2350 struct func_return_value return_value;
2351 acpi_status status;
2352 struct func_input_params params = {
2353 .function_num = 0x1,
2354 .commun_devices = 0xFFFF,
2355 .devices = 0xFFFF,
2356 .app_status = 0x01, /* Launch Manager Active */
2357 .app_mask = 0x01,
2358 };
2359
2360 status = wmid3_set_function_mode(¶ms, &return_value);
2361
2362 if (return_value.error_code || return_value.ec_return_value)
2363 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
2364 return_value.error_code,
2365 return_value.ec_return_value);
2366
2367 return status;
2368 }
2369
acer_wmi_enable_rf_button(void)2370 static int __init acer_wmi_enable_rf_button(void)
2371 {
2372 struct func_return_value return_value;
2373 acpi_status status;
2374 struct func_input_params params = {
2375 .function_num = 0x1,
2376 .commun_devices = 0xFFFF,
2377 .devices = 0xFFFF,
2378 .app_status = 0x10, /* RF Button Active */
2379 .app_mask = 0x10,
2380 };
2381
2382 status = wmid3_set_function_mode(¶ms, &return_value);
2383
2384 if (return_value.error_code || return_value.ec_return_value)
2385 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
2386 return_value.error_code,
2387 return_value.ec_return_value);
2388
2389 return status;
2390 }
2391
acer_wmi_accel_setup(void)2392 static int __init acer_wmi_accel_setup(void)
2393 {
2394 struct acpi_device *adev;
2395 int err;
2396
2397 adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1);
2398 if (!adev)
2399 return -ENODEV;
2400
2401 gsensor_handle = acpi_device_handle(adev);
2402 acpi_dev_put(adev);
2403
2404 acer_wmi_accel_dev = input_allocate_device();
2405 if (!acer_wmi_accel_dev)
2406 return -ENOMEM;
2407
2408 acer_wmi_accel_dev->open = acer_gsensor_open;
2409
2410 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
2411 acer_wmi_accel_dev->phys = "wmi/input1";
2412 acer_wmi_accel_dev->id.bustype = BUS_HOST;
2413 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
2414 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
2415 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
2416 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
2417
2418 err = input_register_device(acer_wmi_accel_dev);
2419 if (err)
2420 goto err_free_dev;
2421
2422 return 0;
2423
2424 err_free_dev:
2425 input_free_device(acer_wmi_accel_dev);
2426 return err;
2427 }
2428
acer_wmi_input_setup(void)2429 static int __init acer_wmi_input_setup(void)
2430 {
2431 acpi_status status;
2432 int err;
2433
2434 acer_wmi_input_dev = input_allocate_device();
2435 if (!acer_wmi_input_dev)
2436 return -ENOMEM;
2437
2438 acer_wmi_input_dev->name = "Acer WMI hotkeys";
2439 acer_wmi_input_dev->phys = "wmi/input0";
2440 acer_wmi_input_dev->id.bustype = BUS_HOST;
2441
2442 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
2443 if (err)
2444 goto err_free_dev;
2445
2446 if (has_cap(ACER_CAP_KBD_DOCK))
2447 input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
2448
2449 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
2450 acer_wmi_notify, NULL);
2451 if (ACPI_FAILURE(status)) {
2452 err = -EIO;
2453 goto err_free_dev;
2454 }
2455
2456 if (has_cap(ACER_CAP_KBD_DOCK))
2457 acer_kbd_dock_get_initial_state();
2458
2459 err = input_register_device(acer_wmi_input_dev);
2460 if (err)
2461 goto err_uninstall_notifier;
2462
2463 return 0;
2464
2465 err_uninstall_notifier:
2466 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2467 err_free_dev:
2468 input_free_device(acer_wmi_input_dev);
2469 return err;
2470 }
2471
acer_wmi_input_destroy(void)2472 static void acer_wmi_input_destroy(void)
2473 {
2474 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2475 input_unregister_device(acer_wmi_input_dev);
2476 }
2477
2478 /*
2479 * debugfs functions
2480 */
get_wmid_devices(void)2481 static u32 get_wmid_devices(void)
2482 {
2483 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2484 union acpi_object *obj;
2485 acpi_status status;
2486 u32 devices = 0;
2487
2488 status = wmi_query_block(WMID_GUID2, 0, &out);
2489 if (ACPI_FAILURE(status))
2490 return 0;
2491
2492 obj = (union acpi_object *) out.pointer;
2493 if (obj) {
2494 if (obj->type == ACPI_TYPE_BUFFER &&
2495 (obj->buffer.length == sizeof(u32) ||
2496 obj->buffer.length == sizeof(u64))) {
2497 devices = *((u32 *) obj->buffer.pointer);
2498 } else if (obj->type == ACPI_TYPE_INTEGER) {
2499 devices = (u32) obj->integer.value;
2500 }
2501 }
2502
2503 kfree(out.pointer);
2504 return devices;
2505 }
2506
2507 static int acer_wmi_hwmon_init(void);
2508
2509 /*
2510 * Platform device
2511 */
acer_platform_probe(struct platform_device * device)2512 static int acer_platform_probe(struct platform_device *device)
2513 {
2514 int err;
2515
2516 if (has_cap(ACER_CAP_MAILLED)) {
2517 err = acer_led_init(&device->dev);
2518 if (err)
2519 goto error_mailled;
2520 }
2521
2522 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2523 err = acer_backlight_init(&device->dev);
2524 if (err)
2525 goto error_brightness;
2526 }
2527
2528 err = acer_rfkill_init(&device->dev);
2529 if (err)
2530 goto error_rfkill;
2531
2532 if (has_cap(ACER_CAP_PLATFORM_PROFILE)) {
2533 err = acer_platform_profile_setup();
2534 if (err)
2535 goto error_platform_profile;
2536 }
2537
2538 if (has_cap(ACER_CAP_FAN_SPEED_READ)) {
2539 err = acer_wmi_hwmon_init();
2540 if (err)
2541 goto error_hwmon;
2542 }
2543
2544 return 0;
2545
2546 error_hwmon:
2547 if (platform_profile_support)
2548 platform_profile_remove();
2549 error_platform_profile:
2550 acer_rfkill_exit();
2551 error_rfkill:
2552 if (has_cap(ACER_CAP_BRIGHTNESS))
2553 acer_backlight_exit();
2554 error_brightness:
2555 if (has_cap(ACER_CAP_MAILLED))
2556 acer_led_exit();
2557 error_mailled:
2558 return err;
2559 }
2560
acer_platform_remove(struct platform_device * device)2561 static void acer_platform_remove(struct platform_device *device)
2562 {
2563 if (has_cap(ACER_CAP_MAILLED))
2564 acer_led_exit();
2565 if (has_cap(ACER_CAP_BRIGHTNESS))
2566 acer_backlight_exit();
2567
2568 acer_rfkill_exit();
2569
2570 if (platform_profile_support)
2571 platform_profile_remove();
2572 }
2573
2574 #ifdef CONFIG_PM_SLEEP
acer_suspend(struct device * dev)2575 static int acer_suspend(struct device *dev)
2576 {
2577 u32 value;
2578 struct acer_data *data = &interface->data;
2579
2580 if (!data)
2581 return -ENOMEM;
2582
2583 if (has_cap(ACER_CAP_MAILLED)) {
2584 get_u32(&value, ACER_CAP_MAILLED);
2585 set_u32(LED_OFF, ACER_CAP_MAILLED);
2586 data->mailled = value;
2587 }
2588
2589 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2590 get_u32(&value, ACER_CAP_BRIGHTNESS);
2591 data->brightness = value;
2592 }
2593
2594 return 0;
2595 }
2596
acer_resume(struct device * dev)2597 static int acer_resume(struct device *dev)
2598 {
2599 struct acer_data *data = &interface->data;
2600
2601 if (!data)
2602 return -ENOMEM;
2603
2604 if (has_cap(ACER_CAP_MAILLED))
2605 set_u32(data->mailled, ACER_CAP_MAILLED);
2606
2607 if (has_cap(ACER_CAP_BRIGHTNESS))
2608 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2609
2610 if (acer_wmi_accel_dev)
2611 acer_gsensor_init();
2612
2613 return 0;
2614 }
2615 #else
2616 #define acer_suspend NULL
2617 #define acer_resume NULL
2618 #endif
2619
2620 static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2621
acer_platform_shutdown(struct platform_device * device)2622 static void acer_platform_shutdown(struct platform_device *device)
2623 {
2624 struct acer_data *data = &interface->data;
2625
2626 if (!data)
2627 return;
2628
2629 if (has_cap(ACER_CAP_MAILLED))
2630 set_u32(LED_OFF, ACER_CAP_MAILLED);
2631 }
2632
2633 static struct platform_driver acer_platform_driver = {
2634 .driver = {
2635 .name = "acer-wmi",
2636 .pm = &acer_pm,
2637 },
2638 .probe = acer_platform_probe,
2639 .remove = acer_platform_remove,
2640 .shutdown = acer_platform_shutdown,
2641 };
2642
2643 static struct platform_device *acer_platform_device;
2644
remove_debugfs(void)2645 static void remove_debugfs(void)
2646 {
2647 debugfs_remove_recursive(interface->debug.root);
2648 }
2649
create_debugfs(void)2650 static void __init create_debugfs(void)
2651 {
2652 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2653
2654 debugfs_create_u32("devices", S_IRUGO, interface->debug.root,
2655 &interface->debug.wmid_devices);
2656 }
2657
acer_wmi_hwmon_is_visible(const void * data,enum hwmon_sensor_types type,u32 attr,int channel)2658 static umode_t acer_wmi_hwmon_is_visible(const void *data,
2659 enum hwmon_sensor_types type, u32 attr,
2660 int channel)
2661 {
2662 switch (type) {
2663 case hwmon_fan:
2664 if (acer_get_fan_speed(channel) >= 0)
2665 return 0444;
2666 break;
2667 default:
2668 return 0;
2669 }
2670
2671 return 0;
2672 }
2673
acer_wmi_hwmon_read(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long * val)2674 static int acer_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2675 u32 attr, int channel, long *val)
2676 {
2677 int ret;
2678
2679 switch (type) {
2680 case hwmon_fan:
2681 ret = acer_get_fan_speed(channel);
2682 if (ret < 0)
2683 return ret;
2684 *val = ret;
2685 break;
2686 default:
2687 return -EOPNOTSUPP;
2688 }
2689
2690 return 0;
2691 }
2692
2693 static const struct hwmon_channel_info *const acer_wmi_hwmon_info[] = {
2694 HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT, HWMON_F_INPUT), NULL
2695 };
2696
2697 static const struct hwmon_ops acer_wmi_hwmon_ops = {
2698 .read = acer_wmi_hwmon_read,
2699 .is_visible = acer_wmi_hwmon_is_visible,
2700 };
2701
2702 static const struct hwmon_chip_info acer_wmi_hwmon_chip_info = {
2703 .ops = &acer_wmi_hwmon_ops,
2704 .info = acer_wmi_hwmon_info,
2705 };
2706
acer_wmi_hwmon_init(void)2707 static int acer_wmi_hwmon_init(void)
2708 {
2709 struct device *dev = &acer_platform_device->dev;
2710 struct device *hwmon;
2711
2712 hwmon = devm_hwmon_device_register_with_info(dev, "acer",
2713 &acer_platform_driver,
2714 &acer_wmi_hwmon_chip_info,
2715 NULL);
2716
2717 if (IS_ERR(hwmon)) {
2718 dev_err(dev, "Could not register acer hwmon device\n");
2719 return PTR_ERR(hwmon);
2720 }
2721
2722 return 0;
2723 }
2724
acer_wmi_init(void)2725 static int __init acer_wmi_init(void)
2726 {
2727 int err;
2728
2729 pr_info("Acer Laptop ACPI-WMI Extras\n");
2730
2731 if (dmi_check_system(acer_blacklist)) {
2732 pr_info("Blacklisted hardware detected - not loading\n");
2733 return -ENODEV;
2734 }
2735
2736 find_quirks();
2737
2738 /*
2739 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2740 * machines like Lenovo, Fujitsu and Medion. In the past days,
2741 * acer-wmi driver handled those non-Acer machines by quirks list.
2742 * But actually acer-wmi driver was loaded on any machines that have
2743 * AMW0_GUID1. This behavior is strange because those machines should
2744 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2745 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2746 * should be in Acer/Gateway/Packard Bell white list, or it's already
2747 * in the past quirk list.
2748 */
2749 if (wmi_has_guid(AMW0_GUID1) &&
2750 !dmi_check_system(amw0_whitelist) &&
2751 quirks == &quirk_unknown) {
2752 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
2753 return -ENODEV;
2754 }
2755
2756 /*
2757 * Detect which ACPI-WMI interface we're using.
2758 */
2759 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2760 interface = &AMW0_V2_interface;
2761
2762 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2763 interface = &wmid_interface;
2764
2765 if (wmi_has_guid(WMID_GUID3))
2766 interface = &wmid_v2_interface;
2767
2768 if (interface)
2769 dmi_walk(type_aa_dmi_decode, NULL);
2770
2771 if (wmi_has_guid(WMID_GUID2) && interface) {
2772 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
2773 pr_err("Unable to detect available WMID devices\n");
2774 return -ENODEV;
2775 }
2776 /* WMID always provides brightness methods */
2777 interface->capability |= ACER_CAP_BRIGHTNESS;
2778 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
2779 pr_err("No WMID device detection method found\n");
2780 return -ENODEV;
2781 }
2782
2783 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2784 interface = &AMW0_interface;
2785
2786 if (ACPI_FAILURE(AMW0_set_capabilities())) {
2787 pr_err("Unable to detect available AMW0 devices\n");
2788 return -ENODEV;
2789 }
2790 }
2791
2792 if (wmi_has_guid(AMW0_GUID1))
2793 AMW0_find_mailled();
2794
2795 if (!interface) {
2796 pr_err("No or unsupported WMI interface, unable to load\n");
2797 return -ENODEV;
2798 }
2799
2800 set_quirks();
2801
2802 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
2803 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2804
2805 if (wmi_has_guid(WMID_GUID3))
2806 interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
2807
2808 if (force_caps != -1)
2809 interface->capability = force_caps;
2810
2811 if (wmi_has_guid(WMID_GUID3) &&
2812 (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
2813 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
2814 pr_warn("Cannot enable RF Button Driver\n");
2815
2816 if (ec_raw_mode) {
2817 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
2818 pr_err("Cannot enable EC raw mode\n");
2819 return -ENODEV;
2820 }
2821 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
2822 pr_err("Cannot enable Launch Manager mode\n");
2823 return -ENODEV;
2824 }
2825 } else if (ec_raw_mode) {
2826 pr_info("No WMID EC raw mode enable method\n");
2827 }
2828
2829 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2830 err = acer_wmi_input_setup();
2831 if (err)
2832 return err;
2833 err = acer_wmi_accel_setup();
2834 if (err && err != -ENODEV)
2835 pr_warn("Cannot enable accelerometer\n");
2836 }
2837
2838 err = platform_driver_register(&acer_platform_driver);
2839 if (err) {
2840 pr_err("Unable to register platform driver\n");
2841 goto error_platform_register;
2842 }
2843
2844 acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE);
2845 if (!acer_platform_device) {
2846 err = -ENOMEM;
2847 goto error_device_alloc;
2848 }
2849
2850 err = platform_device_add(acer_platform_device);
2851 if (err)
2852 goto error_device_add;
2853
2854 if (wmi_has_guid(WMID_GUID2)) {
2855 interface->debug.wmid_devices = get_wmid_devices();
2856 create_debugfs();
2857 }
2858
2859 /* Override any initial settings with values from the commandline */
2860 acer_commandline_init();
2861
2862 return 0;
2863
2864 error_device_add:
2865 platform_device_put(acer_platform_device);
2866 error_device_alloc:
2867 platform_driver_unregister(&acer_platform_driver);
2868 error_platform_register:
2869 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2870 acer_wmi_input_destroy();
2871 if (acer_wmi_accel_dev)
2872 input_unregister_device(acer_wmi_accel_dev);
2873
2874 return err;
2875 }
2876
acer_wmi_exit(void)2877 static void __exit acer_wmi_exit(void)
2878 {
2879 if (wmi_has_guid(ACERWMID_EVENT_GUID))
2880 acer_wmi_input_destroy();
2881
2882 if (acer_wmi_accel_dev)
2883 input_unregister_device(acer_wmi_accel_dev);
2884
2885 remove_debugfs();
2886 platform_device_unregister(acer_platform_device);
2887 platform_driver_unregister(&acer_platform_driver);
2888
2889 pr_info("Acer Laptop WMI Extras unloaded\n");
2890 }
2891
2892 module_init(acer_wmi_init);
2893 module_exit(acer_wmi_exit);
2894