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/units.h>
34 #include <linux/unaligned.h>
35 #include <linux/bitfield.h>
36 #include <linux/bitmap.h>
37
38 MODULE_AUTHOR("Carlos Corbacho");
39 MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
40 MODULE_LICENSE("GPL");
41
42 /*
43 * Magic Number
44 * Meaning is unknown - this number is required for writing to ACPI for AMW0
45 * (it's also used in acerhk when directly accessing the BIOS)
46 */
47 #define ACER_AMW0_WRITE 0x9610
48
49 /*
50 * Bit masks for the AMW0 interface
51 */
52 #define ACER_AMW0_WIRELESS_MASK 0x35
53 #define ACER_AMW0_BLUETOOTH_MASK 0x34
54 #define ACER_AMW0_MAILLED_MASK 0x31
55
56 /*
57 * Method IDs for WMID interface
58 */
59 #define ACER_WMID_GET_WIRELESS_METHODID 1
60 #define ACER_WMID_GET_BLUETOOTH_METHODID 2
61 #define ACER_WMID_GET_BRIGHTNESS_METHODID 3
62 #define ACER_WMID_SET_WIRELESS_METHODID 4
63 #define ACER_WMID_SET_BLUETOOTH_METHODID 5
64 #define ACER_WMID_SET_BRIGHTNESS_METHODID 6
65 #define ACER_WMID_GET_THREEG_METHODID 10
66 #define ACER_WMID_SET_THREEG_METHODID 11
67
68 #define ACER_WMID_SET_GAMING_LED_METHODID 2
69 #define ACER_WMID_GET_GAMING_LED_METHODID 4
70 #define ACER_WMID_GET_GAMING_SYS_INFO_METHODID 5
71 #define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14
72 #define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22
73 #define ACER_WMID_GET_GAMING_MISC_SETTING_METHODID 23
74
75 #define ACER_GAMING_MISC_SETTING_STATUS_MASK GENMASK_ULL(7, 0)
76 #define ACER_GAMING_MISC_SETTING_INDEX_MASK GENMASK_ULL(7, 0)
77 #define ACER_GAMING_MISC_SETTING_VALUE_MASK GENMASK_ULL(15, 8)
78
79 #define ACER_PREDATOR_V4_RETURN_STATUS_BIT_MASK GENMASK_ULL(7, 0)
80 #define ACER_PREDATOR_V4_SENSOR_INDEX_BIT_MASK GENMASK_ULL(15, 8)
81 #define ACER_PREDATOR_V4_SENSOR_READING_BIT_MASK GENMASK_ULL(23, 8)
82 #define ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK GENMASK_ULL(39, 24)
83
84 /*
85 * Acer ACPI method GUIDs
86 */
87 #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
88 #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
89 #define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
90 #define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
91 #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
92 #define WMID_GUID4 "7A4DDFE7-5B5D-40B4-8595-4408E0CC7F56"
93
94 /*
95 * Acer ACPI event GUIDs
96 */
97 #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
98
99 MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
100 MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
101 MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
102
103 enum acer_wmi_event_ids {
104 WMID_HOTKEY_EVENT = 0x1,
105 WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
106 WMID_GAMING_TURBO_KEY_EVENT = 0x7,
107 WMID_AC_EVENT = 0x8,
108 };
109
110 enum acer_wmi_predator_v4_sys_info_command {
111 ACER_WMID_CMD_GET_PREDATOR_V4_SUPPORTED_SENSORS = 0x0000,
112 ACER_WMID_CMD_GET_PREDATOR_V4_SENSOR_READING = 0x0001,
113 ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS = 0x0002,
114 };
115
116 enum acer_wmi_predator_v4_sensor_id {
117 ACER_WMID_SENSOR_CPU_TEMPERATURE = 0x01,
118 ACER_WMID_SENSOR_CPU_FAN_SPEED = 0x02,
119 ACER_WMID_SENSOR_EXTERNAL_TEMPERATURE_2 = 0x03,
120 ACER_WMID_SENSOR_GPU_FAN_SPEED = 0x06,
121 ACER_WMID_SENSOR_GPU_TEMPERATURE = 0x0A,
122 };
123
124 enum acer_wmi_predator_v4_oc {
125 ACER_WMID_OC_NORMAL = 0x0000,
126 ACER_WMID_OC_TURBO = 0x0002,
127 };
128
129 enum acer_wmi_gaming_misc_setting {
130 ACER_WMID_MISC_SETTING_OC_1 = 0x0005,
131 ACER_WMID_MISC_SETTING_OC_2 = 0x0007,
132 /* Unreliable on some models */
133 ACER_WMID_MISC_SETTING_SUPPORTED_PROFILES = 0x000A,
134 ACER_WMID_MISC_SETTING_PLATFORM_PROFILE = 0x000B,
135 };
136
137 static const struct key_entry acer_wmi_keymap[] __initconst = {
138 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
139 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
140 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
141 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
142 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
143 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
144 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
145 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
146 {KE_KEY, 0x27, {KEY_HELP} },
147 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
148 {KE_IGNORE, 0x41, {KEY_MUTE} },
149 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
150 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
151 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
152 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
153 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
154 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
155 {KE_IGNORE, 0x45, {KEY_STOP} },
156 {KE_IGNORE, 0x50, {KEY_STOP} },
157 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
158 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
159 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
160 /*
161 * 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event
162 * with the "Video Bus" input device events. But sometimes it is not
163 * a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that
164 * udev/hwdb can override it on systems where it is not a dup.
165 */
166 {KE_KEY, 0x61, {KEY_UNKNOWN} },
167 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
168 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
169 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
170 {KE_IGNORE, 0x81, {KEY_SLEEP} },
171 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
172 {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
173 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
174 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
175 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
176 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
177 {KE_KEY, 0x86, {KEY_WLAN} },
178 {KE_KEY, 0x87, {KEY_POWER} },
179 {KE_END, 0}
180 };
181
182 static struct input_dev *acer_wmi_input_dev;
183 static struct input_dev *acer_wmi_accel_dev;
184
185 struct event_return_value {
186 u8 function;
187 u8 key_num;
188 u16 device_state;
189 u16 reserved1;
190 u8 kbd_dock_state;
191 u8 reserved2;
192 } __packed;
193
194 /*
195 * GUID3 Get Device Status device flags
196 */
197 #define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
198 #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
199 #define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
200 #define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
201 #define ACER_WMID3_GDS_RFBTN (1<<14) /* RF Button */
202
203 #define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
204
205 /* Hotkey Customized Setting and Acer Application Status.
206 * Set Device Default Value and Report Acer Application Status.
207 * When Acer Application starts, it will run this method to inform
208 * BIOS/EC that Acer Application is on.
209 * App Status
210 * Bit[0]: Launch Manager Status
211 * Bit[1]: ePM Status
212 * Bit[2]: Device Control Status
213 * Bit[3]: Acer Power Button Utility Status
214 * Bit[4]: RF Button Status
215 * Bit[5]: ODD PM Status
216 * Bit[6]: Device Default Value Control
217 * Bit[7]: Hall Sensor Application Status
218 */
219 struct func_input_params {
220 u8 function_num; /* Function Number */
221 u16 commun_devices; /* Communication type devices default status */
222 u16 devices; /* Other type devices default status */
223 u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
224 u8 app_mask; /* Bit mask to app_status */
225 u8 reserved;
226 } __packed;
227
228 struct func_return_value {
229 u8 error_code; /* Error Code */
230 u8 ec_return_value; /* EC Return Value */
231 u16 reserved;
232 } __packed;
233
234 struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
235 u8 function_num; /* Function Number */
236 u8 hotkey_number; /* Hotkey Number */
237 u16 devices; /* Set Device */
238 u8 volume_value; /* Volume Value */
239 } __packed;
240
241 struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
242 u8 function_num; /* Function Number */
243 u8 hotkey_number; /* Hotkey Number */
244 u16 devices; /* Get Device */
245 } __packed;
246
247 struct wmid3_gds_return_value { /* Get Device Status return value*/
248 u8 error_code; /* Error Code */
249 u8 ec_return_value; /* EC Return Value */
250 u16 devices; /* Current Device Status */
251 u32 reserved;
252 } __packed;
253
254 struct hotkey_function_type_aa {
255 u8 type;
256 u8 length;
257 u16 handle;
258 u16 commun_func_bitmap;
259 u16 application_func_bitmap;
260 u16 media_func_bitmap;
261 u16 display_func_bitmap;
262 u16 others_func_bitmap;
263 u8 commun_fn_key_number;
264 } __packed;
265
266 /*
267 * Interface capability flags
268 */
269 #define ACER_CAP_MAILLED BIT(0)
270 #define ACER_CAP_WIRELESS BIT(1)
271 #define ACER_CAP_BLUETOOTH BIT(2)
272 #define ACER_CAP_BRIGHTNESS BIT(3)
273 #define ACER_CAP_THREEG BIT(4)
274 #define ACER_CAP_SET_FUNCTION_MODE BIT(5)
275 #define ACER_CAP_KBD_DOCK BIT(6)
276 #define ACER_CAP_TURBO_OC BIT(7)
277 #define ACER_CAP_TURBO_LED BIT(8)
278 #define ACER_CAP_TURBO_FAN BIT(9)
279 #define ACER_CAP_PLATFORM_PROFILE BIT(10)
280 #define ACER_CAP_HWMON BIT(11)
281
282 /*
283 * Interface type flags
284 */
285 enum interface_flags {
286 ACER_AMW0,
287 ACER_AMW0_V2,
288 ACER_WMID,
289 ACER_WMID_v2,
290 };
291
292 static int max_brightness = 0xF;
293
294 static int mailled = -1;
295 static int brightness = -1;
296 static int threeg = -1;
297 static int force_series;
298 static int force_caps = -1;
299 static bool ec_raw_mode;
300 static bool has_type_aa;
301 static u16 commun_func_bitmap;
302 static u8 commun_fn_key_number;
303 static bool cycle_gaming_thermal_profile = true;
304 static bool predator_v4;
305 static u64 supported_sensors;
306
307 module_param(mailled, int, 0444);
308 module_param(brightness, int, 0444);
309 module_param(threeg, int, 0444);
310 module_param(force_series, int, 0444);
311 module_param(force_caps, int, 0444);
312 module_param(ec_raw_mode, bool, 0444);
313 module_param(cycle_gaming_thermal_profile, bool, 0644);
314 module_param(predator_v4, bool, 0444);
315 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
316 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
317 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
318 MODULE_PARM_DESC(force_series, "Force a different laptop series");
319 MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
320 MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
321 MODULE_PARM_DESC(cycle_gaming_thermal_profile,
322 "Set thermal mode key in cycle mode. Disabling it sets the mode key in turbo toggle mode");
323 MODULE_PARM_DESC(predator_v4,
324 "Enable features for predator laptops that use predator sense v4");
325
326 struct acer_data {
327 int mailled;
328 int threeg;
329 int brightness;
330 };
331
332 struct acer_debug {
333 struct dentry *root;
334 u32 wmid_devices;
335 };
336
337 static struct rfkill *wireless_rfkill;
338 static struct rfkill *bluetooth_rfkill;
339 static struct rfkill *threeg_rfkill;
340 static bool rfkill_inited;
341
342 /* Each low-level interface must define at least some of the following */
343 struct wmi_interface {
344 /* The WMI device type */
345 u32 type;
346
347 /* The capabilities this interface provides */
348 u32 capability;
349
350 /* Private data for the current interface */
351 struct acer_data data;
352
353 /* debugfs entries associated with this interface */
354 struct acer_debug debug;
355 };
356
357 /* The static interface pointer, points to the currently detected interface */
358 static struct wmi_interface *interface;
359
360 /*
361 * Embedded Controller quirks
362 * Some laptops require us to directly access the EC to either enable or query
363 * features that are not available through WMI.
364 */
365
366 struct quirk_entry {
367 u8 wireless;
368 u8 mailled;
369 s8 brightness;
370 u8 bluetooth;
371 u8 turbo;
372 u8 cpu_fans;
373 u8 gpu_fans;
374 u8 predator_v4;
375 };
376
377 static struct quirk_entry *quirks;
378
set_quirks(void)379 static void __init set_quirks(void)
380 {
381 if (quirks->mailled)
382 interface->capability |= ACER_CAP_MAILLED;
383
384 if (quirks->brightness)
385 interface->capability |= ACER_CAP_BRIGHTNESS;
386
387 if (quirks->turbo)
388 interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED
389 | ACER_CAP_TURBO_FAN;
390
391 if (quirks->predator_v4)
392 interface->capability |= ACER_CAP_PLATFORM_PROFILE |
393 ACER_CAP_HWMON;
394 }
395
dmi_matched(const struct dmi_system_id * dmi)396 static int __init dmi_matched(const struct dmi_system_id *dmi)
397 {
398 quirks = dmi->driver_data;
399 return 1;
400 }
401
set_force_caps(const struct dmi_system_id * dmi)402 static int __init set_force_caps(const struct dmi_system_id *dmi)
403 {
404 if (force_caps == -1) {
405 force_caps = (uintptr_t)dmi->driver_data;
406 pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
407 }
408 return 1;
409 }
410
411 static struct quirk_entry quirk_unknown = {
412 };
413
414 static struct quirk_entry quirk_acer_aspire_1520 = {
415 .brightness = -1,
416 };
417
418 static struct quirk_entry quirk_acer_travelmate_2490 = {
419 .mailled = 1,
420 };
421
422 static struct quirk_entry quirk_acer_predator_ph315_53 = {
423 .turbo = 1,
424 .cpu_fans = 1,
425 .gpu_fans = 1,
426 };
427
428 static struct quirk_entry quirk_acer_predator_ph16_72 = {
429 .turbo = 1,
430 .cpu_fans = 1,
431 .gpu_fans = 1,
432 .predator_v4 = 1,
433 };
434
435 static struct quirk_entry quirk_acer_predator_pt14_51 = {
436 .turbo = 1,
437 .cpu_fans = 1,
438 .gpu_fans = 1,
439 .predator_v4 = 1,
440 };
441
442 static struct quirk_entry quirk_acer_predator_v4 = {
443 .predator_v4 = 1,
444 };
445
446 /* This AMW0 laptop has no bluetooth */
447 static struct quirk_entry quirk_medion_md_98300 = {
448 .wireless = 1,
449 };
450
451 static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
452 .wireless = 2,
453 };
454
455 static struct quirk_entry quirk_lenovo_ideapad_s205 = {
456 .wireless = 3,
457 };
458
459 /* The Aspire One has a dummy ACPI-WMI interface - disable it */
460 static const struct dmi_system_id acer_blacklist[] __initconst = {
461 {
462 .ident = "Acer Aspire One (SSD)",
463 .matches = {
464 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
465 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
466 },
467 },
468 {
469 .ident = "Acer Aspire One (HDD)",
470 .matches = {
471 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
473 },
474 },
475 {}
476 };
477
478 static const struct dmi_system_id amw0_whitelist[] __initconst = {
479 {
480 .ident = "Acer",
481 .matches = {
482 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
483 },
484 },
485 {
486 .ident = "Gateway",
487 .matches = {
488 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
489 },
490 },
491 {
492 .ident = "Packard Bell",
493 .matches = {
494 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
495 },
496 },
497 {}
498 };
499
500 /*
501 * This quirk table is only for Acer/Gateway/Packard Bell family
502 * that those machines are supported by acer-wmi driver.
503 */
504 static const struct dmi_system_id acer_quirks[] __initconst = {
505 {
506 .callback = dmi_matched,
507 .ident = "Acer Aspire 1360",
508 .matches = {
509 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
510 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
511 },
512 .driver_data = &quirk_acer_aspire_1520,
513 },
514 {
515 .callback = dmi_matched,
516 .ident = "Acer Aspire 1520",
517 .matches = {
518 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
519 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
520 },
521 .driver_data = &quirk_acer_aspire_1520,
522 },
523 {
524 .callback = dmi_matched,
525 .ident = "Acer Aspire 3100",
526 .matches = {
527 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
528 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
529 },
530 .driver_data = &quirk_acer_travelmate_2490,
531 },
532 {
533 .callback = dmi_matched,
534 .ident = "Acer Aspire 3610",
535 .matches = {
536 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
537 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
538 },
539 .driver_data = &quirk_acer_travelmate_2490,
540 },
541 {
542 .callback = dmi_matched,
543 .ident = "Acer Aspire 5100",
544 .matches = {
545 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
546 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
547 },
548 .driver_data = &quirk_acer_travelmate_2490,
549 },
550 {
551 .callback = dmi_matched,
552 .ident = "Acer Aspire 5610",
553 .matches = {
554 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
555 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
556 },
557 .driver_data = &quirk_acer_travelmate_2490,
558 },
559 {
560 .callback = dmi_matched,
561 .ident = "Acer Aspire 5630",
562 .matches = {
563 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
564 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
565 },
566 .driver_data = &quirk_acer_travelmate_2490,
567 },
568 {
569 .callback = dmi_matched,
570 .ident = "Acer Aspire 5650",
571 .matches = {
572 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
573 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
574 },
575 .driver_data = &quirk_acer_travelmate_2490,
576 },
577 {
578 .callback = dmi_matched,
579 .ident = "Acer Aspire 5680",
580 .matches = {
581 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
582 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
583 },
584 .driver_data = &quirk_acer_travelmate_2490,
585 },
586 {
587 .callback = dmi_matched,
588 .ident = "Acer Aspire 9110",
589 .matches = {
590 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
591 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
592 },
593 .driver_data = &quirk_acer_travelmate_2490,
594 },
595 {
596 .callback = dmi_matched,
597 .ident = "Acer TravelMate 2490",
598 .matches = {
599 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
600 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
601 },
602 .driver_data = &quirk_acer_travelmate_2490,
603 },
604 {
605 .callback = dmi_matched,
606 .ident = "Acer TravelMate 4200",
607 .matches = {
608 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
609 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
610 },
611 .driver_data = &quirk_acer_travelmate_2490,
612 },
613 {
614 .callback = dmi_matched,
615 .ident = "Acer Nitro AN515-58",
616 .matches = {
617 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
618 DMI_MATCH(DMI_PRODUCT_NAME, "Nitro AN515-58"),
619 },
620 .driver_data = &quirk_acer_predator_v4,
621 },
622 {
623 .callback = dmi_matched,
624 .ident = "Acer Predator PH315-53",
625 .matches = {
626 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
627 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"),
628 },
629 .driver_data = &quirk_acer_predator_ph315_53,
630 },
631 {
632 .callback = dmi_matched,
633 .ident = "Acer Predator PHN16-71",
634 .matches = {
635 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
636 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PHN16-71"),
637 },
638 .driver_data = &quirk_acer_predator_v4,
639 },
640 {
641 .callback = dmi_matched,
642 .ident = "Acer Predator PH16-71",
643 .matches = {
644 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
645 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-71"),
646 },
647 .driver_data = &quirk_acer_predator_v4,
648 },
649 {
650 .callback = dmi_matched,
651 .ident = "Acer Predator PH16-72",
652 .matches = {
653 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
654 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-72"),
655 },
656 .driver_data = &quirk_acer_predator_ph16_72,
657 },
658 {
659 .callback = dmi_matched,
660 .ident = "Acer Predator PH18-71",
661 .matches = {
662 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
663 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH18-71"),
664 },
665 .driver_data = &quirk_acer_predator_v4,
666 },
667 {
668 .callback = dmi_matched,
669 .ident = "Acer Predator PT14-51",
670 .matches = {
671 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
672 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PT14-51"),
673 },
674 .driver_data = &quirk_acer_predator_pt14_51,
675 },
676 {
677 .callback = set_force_caps,
678 .ident = "Acer Aspire Switch 10E SW3-016",
679 .matches = {
680 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
681 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
682 },
683 .driver_data = (void *)ACER_CAP_KBD_DOCK,
684 },
685 {
686 .callback = set_force_caps,
687 .ident = "Acer Aspire Switch 10 SW5-012",
688 .matches = {
689 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
690 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
691 },
692 .driver_data = (void *)ACER_CAP_KBD_DOCK,
693 },
694 {
695 .callback = set_force_caps,
696 .ident = "Acer Aspire Switch V 10 SW5-017",
697 .matches = {
698 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
699 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
700 },
701 .driver_data = (void *)ACER_CAP_KBD_DOCK,
702 },
703 {
704 .callback = set_force_caps,
705 .ident = "Acer One 10 (S1003)",
706 .matches = {
707 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
708 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
709 },
710 .driver_data = (void *)ACER_CAP_KBD_DOCK,
711 },
712 {}
713 };
714
715 /*
716 * This quirk list is for those non-acer machines that have AMW0_GUID1
717 * but supported by acer-wmi in past days. Keeping this quirk list here
718 * is only for backward compatible. Please do not add new machine to
719 * here anymore. Those non-acer machines should be supported by
720 * appropriate wmi drivers.
721 */
722 static const struct dmi_system_id non_acer_quirks[] __initconst = {
723 {
724 .callback = dmi_matched,
725 .ident = "Fujitsu Siemens Amilo Li 1718",
726 .matches = {
727 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
728 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
729 },
730 .driver_data = &quirk_fujitsu_amilo_li_1718,
731 },
732 {
733 .callback = dmi_matched,
734 .ident = "Medion MD 98300",
735 .matches = {
736 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
737 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
738 },
739 .driver_data = &quirk_medion_md_98300,
740 },
741 {
742 .callback = dmi_matched,
743 .ident = "Lenovo Ideapad S205",
744 .matches = {
745 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
746 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
747 },
748 .driver_data = &quirk_lenovo_ideapad_s205,
749 },
750 {
751 .callback = dmi_matched,
752 .ident = "Lenovo Ideapad S205 (Brazos)",
753 .matches = {
754 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
755 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
756 },
757 .driver_data = &quirk_lenovo_ideapad_s205,
758 },
759 {
760 .callback = dmi_matched,
761 .ident = "Lenovo 3000 N200",
762 .matches = {
763 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
764 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
765 },
766 .driver_data = &quirk_fujitsu_amilo_li_1718,
767 },
768 {
769 .callback = dmi_matched,
770 .ident = "Lenovo Ideapad S205-10382JG",
771 .matches = {
772 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
773 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
774 },
775 .driver_data = &quirk_lenovo_ideapad_s205,
776 },
777 {
778 .callback = dmi_matched,
779 .ident = "Lenovo Ideapad S205-1038DPG",
780 .matches = {
781 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
782 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
783 },
784 .driver_data = &quirk_lenovo_ideapad_s205,
785 },
786 {}
787 };
788
789 static struct device *platform_profile_device;
790 static bool platform_profile_support;
791
792 /*
793 * The profile used before turbo mode. This variable is needed for
794 * returning from turbo mode when the mode key is in toggle mode.
795 */
796 static int last_non_turbo_profile = INT_MIN;
797
798 enum acer_predator_v4_thermal_profile {
799 ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x00,
800 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x01,
801 ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x04,
802 ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x05,
803 ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x06,
804 };
805
806 /* Find which quirks are needed for a particular vendor/ model pair */
find_quirks(void)807 static void __init find_quirks(void)
808 {
809 if (predator_v4) {
810 quirks = &quirk_acer_predator_v4;
811 } else if (!force_series) {
812 dmi_check_system(acer_quirks);
813 dmi_check_system(non_acer_quirks);
814 } else if (force_series == 2490) {
815 quirks = &quirk_acer_travelmate_2490;
816 }
817
818 if (quirks == NULL)
819 quirks = &quirk_unknown;
820 }
821
822 /*
823 * General interface convenience methods
824 */
825
has_cap(u32 cap)826 static bool has_cap(u32 cap)
827 {
828 return interface->capability & cap;
829 }
830
831 /*
832 * AMW0 (V1) interface
833 */
834 struct wmab_args {
835 u32 eax;
836 u32 ebx;
837 u32 ecx;
838 u32 edx;
839 };
840
841 struct wmab_ret {
842 u32 eax;
843 u32 ebx;
844 u32 ecx;
845 u32 edx;
846 u32 eex;
847 };
848
wmab_execute(struct wmab_args * regbuf,struct acpi_buffer * result)849 static acpi_status wmab_execute(struct wmab_args *regbuf,
850 struct acpi_buffer *result)
851 {
852 struct acpi_buffer input;
853 acpi_status status;
854 input.length = sizeof(struct wmab_args);
855 input.pointer = (u8 *)regbuf;
856
857 status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
858
859 return status;
860 }
861
AMW0_get_u32(u32 * value,u32 cap)862 static acpi_status AMW0_get_u32(u32 *value, u32 cap)
863 {
864 int err;
865 u8 result;
866
867 switch (cap) {
868 case ACER_CAP_MAILLED:
869 switch (quirks->mailled) {
870 default:
871 err = ec_read(0xA, &result);
872 if (err)
873 return AE_ERROR;
874 *value = (result >> 7) & 0x1;
875 return AE_OK;
876 }
877 break;
878 case ACER_CAP_WIRELESS:
879 switch (quirks->wireless) {
880 case 1:
881 err = ec_read(0x7B, &result);
882 if (err)
883 return AE_ERROR;
884 *value = result & 0x1;
885 return AE_OK;
886 case 2:
887 err = ec_read(0x71, &result);
888 if (err)
889 return AE_ERROR;
890 *value = result & 0x1;
891 return AE_OK;
892 case 3:
893 err = ec_read(0x78, &result);
894 if (err)
895 return AE_ERROR;
896 *value = result & 0x1;
897 return AE_OK;
898 default:
899 err = ec_read(0xA, &result);
900 if (err)
901 return AE_ERROR;
902 *value = (result >> 2) & 0x1;
903 return AE_OK;
904 }
905 break;
906 case ACER_CAP_BLUETOOTH:
907 switch (quirks->bluetooth) {
908 default:
909 err = ec_read(0xA, &result);
910 if (err)
911 return AE_ERROR;
912 *value = (result >> 4) & 0x1;
913 return AE_OK;
914 }
915 break;
916 case ACER_CAP_BRIGHTNESS:
917 switch (quirks->brightness) {
918 default:
919 err = ec_read(0x83, &result);
920 if (err)
921 return AE_ERROR;
922 *value = result;
923 return AE_OK;
924 }
925 break;
926 default:
927 return AE_ERROR;
928 }
929 return AE_OK;
930 }
931
AMW0_set_u32(u32 value,u32 cap)932 static acpi_status AMW0_set_u32(u32 value, u32 cap)
933 {
934 struct wmab_args args;
935
936 args.eax = ACER_AMW0_WRITE;
937 args.ebx = value ? (1<<8) : 0;
938 args.ecx = args.edx = 0;
939
940 switch (cap) {
941 case ACER_CAP_MAILLED:
942 if (value > 1)
943 return AE_BAD_PARAMETER;
944 args.ebx |= ACER_AMW0_MAILLED_MASK;
945 break;
946 case ACER_CAP_WIRELESS:
947 if (value > 1)
948 return AE_BAD_PARAMETER;
949 args.ebx |= ACER_AMW0_WIRELESS_MASK;
950 break;
951 case ACER_CAP_BLUETOOTH:
952 if (value > 1)
953 return AE_BAD_PARAMETER;
954 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
955 break;
956 case ACER_CAP_BRIGHTNESS:
957 if (value > max_brightness)
958 return AE_BAD_PARAMETER;
959 switch (quirks->brightness) {
960 default:
961 return ec_write(0x83, value);
962 }
963 default:
964 return AE_ERROR;
965 }
966
967 /* Actually do the set */
968 return wmab_execute(&args, NULL);
969 }
970
AMW0_find_mailled(void)971 static acpi_status __init AMW0_find_mailled(void)
972 {
973 struct wmab_args args;
974 struct wmab_ret ret;
975 acpi_status status = AE_OK;
976 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
977 union acpi_object *obj;
978
979 args.eax = 0x86;
980 args.ebx = args.ecx = args.edx = 0;
981
982 status = wmab_execute(&args, &out);
983 if (ACPI_FAILURE(status))
984 return status;
985
986 obj = (union acpi_object *) out.pointer;
987 if (obj && obj->type == ACPI_TYPE_BUFFER &&
988 obj->buffer.length == sizeof(struct wmab_ret)) {
989 ret = *((struct wmab_ret *) obj->buffer.pointer);
990 } else {
991 kfree(out.pointer);
992 return AE_ERROR;
993 }
994
995 if (ret.eex & 0x1)
996 interface->capability |= ACER_CAP_MAILLED;
997
998 kfree(out.pointer);
999
1000 return AE_OK;
1001 }
1002
1003 static const struct acpi_device_id norfkill_ids[] __initconst = {
1004 { "VPC2004", 0},
1005 { "IBM0068", 0},
1006 { "LEN0068", 0},
1007 { "SNY5001", 0}, /* sony-laptop in charge */
1008 { "HPQ6601", 0},
1009 { "", 0},
1010 };
1011
AMW0_set_cap_acpi_check_device(void)1012 static int __init AMW0_set_cap_acpi_check_device(void)
1013 {
1014 const struct acpi_device_id *id;
1015
1016 for (id = norfkill_ids; id->id[0]; id++)
1017 if (acpi_dev_found(id->id))
1018 return true;
1019
1020 return false;
1021 }
1022
AMW0_set_capabilities(void)1023 static acpi_status __init AMW0_set_capabilities(void)
1024 {
1025 struct wmab_args args;
1026 struct wmab_ret ret;
1027 acpi_status status;
1028 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
1029 union acpi_object *obj;
1030
1031 /*
1032 * On laptops with this strange GUID (non Acer), normal probing doesn't
1033 * work.
1034 */
1035 if (wmi_has_guid(AMW0_GUID2)) {
1036 if ((quirks != &quirk_unknown) ||
1037 !AMW0_set_cap_acpi_check_device())
1038 interface->capability |= ACER_CAP_WIRELESS;
1039 return AE_OK;
1040 }
1041
1042 args.eax = ACER_AMW0_WRITE;
1043 args.ecx = args.edx = 0;
1044
1045 args.ebx = 0xa2 << 8;
1046 args.ebx |= ACER_AMW0_WIRELESS_MASK;
1047
1048 status = wmab_execute(&args, &out);
1049 if (ACPI_FAILURE(status))
1050 return status;
1051
1052 obj = out.pointer;
1053 if (obj && obj->type == ACPI_TYPE_BUFFER &&
1054 obj->buffer.length == sizeof(struct wmab_ret)) {
1055 ret = *((struct wmab_ret *) obj->buffer.pointer);
1056 } else {
1057 status = AE_ERROR;
1058 goto out;
1059 }
1060
1061 if (ret.eax & 0x1)
1062 interface->capability |= ACER_CAP_WIRELESS;
1063
1064 args.ebx = 2 << 8;
1065 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
1066
1067 /*
1068 * It's ok to use existing buffer for next wmab_execute call.
1069 * But we need to kfree(out.pointer) if next wmab_execute fail.
1070 */
1071 status = wmab_execute(&args, &out);
1072 if (ACPI_FAILURE(status))
1073 goto out;
1074
1075 obj = (union acpi_object *) out.pointer;
1076 if (obj && obj->type == ACPI_TYPE_BUFFER
1077 && obj->buffer.length == sizeof(struct wmab_ret)) {
1078 ret = *((struct wmab_ret *) obj->buffer.pointer);
1079 } else {
1080 status = AE_ERROR;
1081 goto out;
1082 }
1083
1084 if (ret.eax & 0x1)
1085 interface->capability |= ACER_CAP_BLUETOOTH;
1086
1087 /*
1088 * This appears to be safe to enable, since all Wistron based laptops
1089 * appear to use the same EC register for brightness, even if they
1090 * differ for wireless, etc
1091 */
1092 if (quirks->brightness >= 0)
1093 interface->capability |= ACER_CAP_BRIGHTNESS;
1094
1095 status = AE_OK;
1096 out:
1097 kfree(out.pointer);
1098 return status;
1099 }
1100
1101 static struct wmi_interface AMW0_interface = {
1102 .type = ACER_AMW0,
1103 };
1104
1105 static struct wmi_interface AMW0_V2_interface = {
1106 .type = ACER_AMW0_V2,
1107 };
1108
1109 /*
1110 * New interface (The WMID interface)
1111 */
1112 static acpi_status
WMI_execute_u32(u32 method_id,u32 in,u32 * out)1113 WMI_execute_u32(u32 method_id, u32 in, u32 *out)
1114 {
1115 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
1116 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1117 union acpi_object *obj;
1118 u32 tmp = 0;
1119 acpi_status status;
1120
1121 status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
1122
1123 if (ACPI_FAILURE(status))
1124 return status;
1125
1126 obj = (union acpi_object *) result.pointer;
1127 if (obj) {
1128 if (obj->type == ACPI_TYPE_BUFFER &&
1129 (obj->buffer.length == sizeof(u32) ||
1130 obj->buffer.length == sizeof(u64))) {
1131 tmp = *((u32 *) obj->buffer.pointer);
1132 } else if (obj->type == ACPI_TYPE_INTEGER) {
1133 tmp = (u32) obj->integer.value;
1134 }
1135 }
1136
1137 if (out)
1138 *out = tmp;
1139
1140 kfree(result.pointer);
1141
1142 return status;
1143 }
1144
WMID_get_u32(u32 * value,u32 cap)1145 static acpi_status WMID_get_u32(u32 *value, u32 cap)
1146 {
1147 acpi_status status;
1148 u8 tmp;
1149 u32 result, method_id = 0;
1150
1151 switch (cap) {
1152 case ACER_CAP_WIRELESS:
1153 method_id = ACER_WMID_GET_WIRELESS_METHODID;
1154 break;
1155 case ACER_CAP_BLUETOOTH:
1156 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
1157 break;
1158 case ACER_CAP_BRIGHTNESS:
1159 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
1160 break;
1161 case ACER_CAP_THREEG:
1162 method_id = ACER_WMID_GET_THREEG_METHODID;
1163 break;
1164 case ACER_CAP_MAILLED:
1165 if (quirks->mailled == 1) {
1166 ec_read(0x9f, &tmp);
1167 *value = tmp & 0x1;
1168 return 0;
1169 }
1170 fallthrough;
1171 default:
1172 return AE_ERROR;
1173 }
1174 status = WMI_execute_u32(method_id, 0, &result);
1175
1176 if (ACPI_SUCCESS(status))
1177 *value = (u8)result;
1178
1179 return status;
1180 }
1181
WMID_set_u32(u32 value,u32 cap)1182 static acpi_status WMID_set_u32(u32 value, u32 cap)
1183 {
1184 u32 method_id = 0;
1185 char param;
1186
1187 switch (cap) {
1188 case ACER_CAP_BRIGHTNESS:
1189 if (value > max_brightness)
1190 return AE_BAD_PARAMETER;
1191 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1192 break;
1193 case ACER_CAP_WIRELESS:
1194 if (value > 1)
1195 return AE_BAD_PARAMETER;
1196 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1197 break;
1198 case ACER_CAP_BLUETOOTH:
1199 if (value > 1)
1200 return AE_BAD_PARAMETER;
1201 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1202 break;
1203 case ACER_CAP_THREEG:
1204 if (value > 1)
1205 return AE_BAD_PARAMETER;
1206 method_id = ACER_WMID_SET_THREEG_METHODID;
1207 break;
1208 case ACER_CAP_MAILLED:
1209 if (value > 1)
1210 return AE_BAD_PARAMETER;
1211 if (quirks->mailled == 1) {
1212 param = value ? 0x92 : 0x93;
1213 i8042_lock_chip();
1214 i8042_command(¶m, 0x1059);
1215 i8042_unlock_chip();
1216 return 0;
1217 }
1218 break;
1219 default:
1220 return AE_ERROR;
1221 }
1222 return WMI_execute_u32(method_id, (u32)value, NULL);
1223 }
1224
wmid3_get_device_status(u32 * value,u16 device)1225 static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1226 {
1227 struct wmid3_gds_return_value return_value;
1228 acpi_status status;
1229 union acpi_object *obj;
1230 struct wmid3_gds_get_input_param params = {
1231 .function_num = 0x1,
1232 .hotkey_number = commun_fn_key_number,
1233 .devices = device,
1234 };
1235 struct acpi_buffer input = {
1236 sizeof(struct wmid3_gds_get_input_param),
1237 ¶ms
1238 };
1239 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1240
1241 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1242 if (ACPI_FAILURE(status))
1243 return status;
1244
1245 obj = output.pointer;
1246
1247 if (!obj)
1248 return AE_ERROR;
1249 else if (obj->type != ACPI_TYPE_BUFFER) {
1250 kfree(obj);
1251 return AE_ERROR;
1252 }
1253 if (obj->buffer.length != 8) {
1254 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1255 kfree(obj);
1256 return AE_ERROR;
1257 }
1258
1259 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1260 kfree(obj);
1261
1262 if (return_value.error_code || return_value.ec_return_value)
1263 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1264 device,
1265 return_value.error_code,
1266 return_value.ec_return_value);
1267 else
1268 *value = !!(return_value.devices & device);
1269
1270 return status;
1271 }
1272
wmid_v2_get_u32(u32 * value,u32 cap)1273 static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1274 {
1275 u16 device;
1276
1277 switch (cap) {
1278 case ACER_CAP_WIRELESS:
1279 device = ACER_WMID3_GDS_WIRELESS;
1280 break;
1281 case ACER_CAP_BLUETOOTH:
1282 device = ACER_WMID3_GDS_BLUETOOTH;
1283 break;
1284 case ACER_CAP_THREEG:
1285 device = ACER_WMID3_GDS_THREEG;
1286 break;
1287 default:
1288 return AE_ERROR;
1289 }
1290 return wmid3_get_device_status(value, device);
1291 }
1292
wmid3_set_device_status(u32 value,u16 device)1293 static acpi_status wmid3_set_device_status(u32 value, u16 device)
1294 {
1295 struct wmid3_gds_return_value return_value;
1296 acpi_status status;
1297 union acpi_object *obj;
1298 u16 devices;
1299 struct wmid3_gds_get_input_param get_params = {
1300 .function_num = 0x1,
1301 .hotkey_number = commun_fn_key_number,
1302 .devices = commun_func_bitmap,
1303 };
1304 struct acpi_buffer get_input = {
1305 sizeof(struct wmid3_gds_get_input_param),
1306 &get_params
1307 };
1308 struct wmid3_gds_set_input_param set_params = {
1309 .function_num = 0x2,
1310 .hotkey_number = commun_fn_key_number,
1311 .devices = commun_func_bitmap,
1312 };
1313 struct acpi_buffer set_input = {
1314 sizeof(struct wmid3_gds_set_input_param),
1315 &set_params
1316 };
1317 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1318 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1319
1320 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
1321 if (ACPI_FAILURE(status))
1322 return status;
1323
1324 obj = output.pointer;
1325
1326 if (!obj)
1327 return AE_ERROR;
1328 else if (obj->type != ACPI_TYPE_BUFFER) {
1329 kfree(obj);
1330 return AE_ERROR;
1331 }
1332 if (obj->buffer.length != 8) {
1333 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1334 kfree(obj);
1335 return AE_ERROR;
1336 }
1337
1338 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1339 kfree(obj);
1340
1341 if (return_value.error_code || return_value.ec_return_value) {
1342 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1343 return_value.error_code,
1344 return_value.ec_return_value);
1345 return status;
1346 }
1347
1348 devices = return_value.devices;
1349 set_params.devices = (value) ? (devices | device) : (devices & ~device);
1350
1351 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
1352 if (ACPI_FAILURE(status))
1353 return status;
1354
1355 obj = output2.pointer;
1356
1357 if (!obj)
1358 return AE_ERROR;
1359 else if (obj->type != ACPI_TYPE_BUFFER) {
1360 kfree(obj);
1361 return AE_ERROR;
1362 }
1363 if (obj->buffer.length != 4) {
1364 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1365 kfree(obj);
1366 return AE_ERROR;
1367 }
1368
1369 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1370 kfree(obj);
1371
1372 if (return_value.error_code || return_value.ec_return_value)
1373 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1374 return_value.error_code,
1375 return_value.ec_return_value);
1376
1377 return status;
1378 }
1379
wmid_v2_set_u32(u32 value,u32 cap)1380 static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1381 {
1382 u16 device;
1383
1384 switch (cap) {
1385 case ACER_CAP_WIRELESS:
1386 device = ACER_WMID3_GDS_WIRELESS;
1387 break;
1388 case ACER_CAP_BLUETOOTH:
1389 device = ACER_WMID3_GDS_BLUETOOTH;
1390 break;
1391 case ACER_CAP_THREEG:
1392 device = ACER_WMID3_GDS_THREEG;
1393 break;
1394 default:
1395 return AE_ERROR;
1396 }
1397 return wmid3_set_device_status(value, device);
1398 }
1399
type_aa_dmi_decode(const struct dmi_header * header,void * d)1400 static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
1401 {
1402 struct hotkey_function_type_aa *type_aa;
1403
1404 /* We are looking for OEM-specific Type AAh */
1405 if (header->type != 0xAA)
1406 return;
1407
1408 has_type_aa = true;
1409 type_aa = (struct hotkey_function_type_aa *) header;
1410
1411 pr_info("Function bitmap for Communication Button: 0x%x\n",
1412 type_aa->commun_func_bitmap);
1413 commun_func_bitmap = type_aa->commun_func_bitmap;
1414
1415 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1416 interface->capability |= ACER_CAP_WIRELESS;
1417 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1418 interface->capability |= ACER_CAP_THREEG;
1419 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1420 interface->capability |= ACER_CAP_BLUETOOTH;
1421 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
1422 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
1423
1424 commun_fn_key_number = type_aa->commun_fn_key_number;
1425 }
1426
WMID_set_capabilities(void)1427 static acpi_status __init WMID_set_capabilities(void)
1428 {
1429 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1430 union acpi_object *obj;
1431 acpi_status status;
1432 u32 devices;
1433
1434 status = wmi_query_block(WMID_GUID2, 0, &out);
1435 if (ACPI_FAILURE(status))
1436 return status;
1437
1438 obj = (union acpi_object *) out.pointer;
1439 if (obj) {
1440 if (obj->type == ACPI_TYPE_BUFFER &&
1441 (obj->buffer.length == sizeof(u32) ||
1442 obj->buffer.length == sizeof(u64))) {
1443 devices = *((u32 *) obj->buffer.pointer);
1444 } else if (obj->type == ACPI_TYPE_INTEGER) {
1445 devices = (u32) obj->integer.value;
1446 } else {
1447 kfree(out.pointer);
1448 return AE_ERROR;
1449 }
1450 } else {
1451 kfree(out.pointer);
1452 return AE_ERROR;
1453 }
1454
1455 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1456 if (devices & 0x07)
1457 interface->capability |= ACER_CAP_WIRELESS;
1458 if (devices & 0x40)
1459 interface->capability |= ACER_CAP_THREEG;
1460 if (devices & 0x10)
1461 interface->capability |= ACER_CAP_BLUETOOTH;
1462
1463 if (!(devices & 0x20))
1464 max_brightness = 0x9;
1465
1466 kfree(out.pointer);
1467 return status;
1468 }
1469
1470 static struct wmi_interface wmid_interface = {
1471 .type = ACER_WMID,
1472 };
1473
1474 static struct wmi_interface wmid_v2_interface = {
1475 .type = ACER_WMID_v2,
1476 };
1477
1478 /*
1479 * WMID Gaming interface
1480 */
1481
1482 static acpi_status
WMI_gaming_execute_u64(u32 method_id,u64 in,u64 * out)1483 WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out)
1484 {
1485 struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) };
1486 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1487 union acpi_object *obj;
1488 u64 tmp = 0;
1489 acpi_status status;
1490
1491 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1492
1493 if (ACPI_FAILURE(status))
1494 return status;
1495 obj = (union acpi_object *) result.pointer;
1496
1497 if (obj) {
1498 if (obj->type == ACPI_TYPE_BUFFER) {
1499 if (obj->buffer.length == sizeof(u32))
1500 tmp = *((u32 *) obj->buffer.pointer);
1501 else if (obj->buffer.length == sizeof(u64))
1502 tmp = *((u64 *) obj->buffer.pointer);
1503 } else if (obj->type == ACPI_TYPE_INTEGER) {
1504 tmp = (u64) obj->integer.value;
1505 }
1506 }
1507
1508 if (out)
1509 *out = tmp;
1510
1511 kfree(result.pointer);
1512
1513 return status;
1514 }
1515
WMI_gaming_execute_u32_u64(u32 method_id,u32 in,u64 * out)1516 static int WMI_gaming_execute_u32_u64(u32 method_id, u32 in, u64 *out)
1517 {
1518 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1519 struct acpi_buffer input = {
1520 .length = sizeof(in),
1521 .pointer = &in,
1522 };
1523 union acpi_object *obj;
1524 acpi_status status;
1525 int ret = 0;
1526
1527 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1528 if (ACPI_FAILURE(status))
1529 return -EIO;
1530
1531 obj = result.pointer;
1532 if (obj && out) {
1533 switch (obj->type) {
1534 case ACPI_TYPE_INTEGER:
1535 *out = obj->integer.value;
1536 break;
1537 case ACPI_TYPE_BUFFER:
1538 if (obj->buffer.length < sizeof(*out))
1539 ret = -ENOMSG;
1540 else
1541 *out = get_unaligned_le64(obj->buffer.pointer);
1542
1543 break;
1544 default:
1545 ret = -ENOMSG;
1546 break;
1547 }
1548 }
1549
1550 kfree(obj);
1551
1552 return ret;
1553 }
1554
WMID_gaming_set_u64(u64 value,u32 cap)1555 static acpi_status WMID_gaming_set_u64(u64 value, u32 cap)
1556 {
1557 u32 method_id = 0;
1558
1559 if (!(interface->capability & cap))
1560 return AE_BAD_PARAMETER;
1561
1562 switch (cap) {
1563 case ACER_CAP_TURBO_LED:
1564 method_id = ACER_WMID_SET_GAMING_LED_METHODID;
1565 break;
1566 case ACER_CAP_TURBO_FAN:
1567 method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR;
1568 break;
1569 default:
1570 return AE_BAD_PARAMETER;
1571 }
1572
1573 return WMI_gaming_execute_u64(method_id, value, NULL);
1574 }
1575
WMID_gaming_get_u64(u64 * value,u32 cap)1576 static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap)
1577 {
1578 acpi_status status;
1579 u64 result;
1580 u64 input;
1581 u32 method_id;
1582
1583 if (!(interface->capability & cap))
1584 return AE_BAD_PARAMETER;
1585
1586 switch (cap) {
1587 case ACER_CAP_TURBO_LED:
1588 method_id = ACER_WMID_GET_GAMING_LED_METHODID;
1589 input = 0x1;
1590 break;
1591 default:
1592 return AE_BAD_PARAMETER;
1593 }
1594 status = WMI_gaming_execute_u64(method_id, input, &result);
1595 if (ACPI_SUCCESS(status))
1596 *value = (u64) result;
1597
1598 return status;
1599 }
1600
WMID_gaming_get_sys_info(u32 command,u64 * out)1601 static int WMID_gaming_get_sys_info(u32 command, u64 *out)
1602 {
1603 acpi_status status;
1604 u64 result;
1605
1606 status = WMI_gaming_execute_u64(ACER_WMID_GET_GAMING_SYS_INFO_METHODID, command, &result);
1607 if (ACPI_FAILURE(status))
1608 return -EIO;
1609
1610 /* The return status must be zero for the operation to have succeeded */
1611 if (FIELD_GET(ACER_PREDATOR_V4_RETURN_STATUS_BIT_MASK, result))
1612 return -EIO;
1613
1614 *out = result;
1615
1616 return 0;
1617 }
1618
WMID_gaming_set_fan_mode(u8 fan_mode)1619 static void WMID_gaming_set_fan_mode(u8 fan_mode)
1620 {
1621 /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/
1622 u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0;
1623 int i;
1624
1625 if (quirks->cpu_fans > 0)
1626 gpu_fan_config2 |= 1;
1627 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1628 gpu_fan_config2 |= 1 << (i + 1);
1629 for (i = 0; i < quirks->gpu_fans; ++i)
1630 gpu_fan_config2 |= 1 << (i + 3);
1631 if (quirks->cpu_fans > 0)
1632 gpu_fan_config1 |= fan_mode;
1633 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1634 gpu_fan_config1 |= fan_mode << (2 * i + 2);
1635 for (i = 0; i < quirks->gpu_fans; ++i)
1636 gpu_fan_config1 |= fan_mode << (2 * i + 6);
1637 WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN);
1638 }
1639
WMID_gaming_set_misc_setting(enum acer_wmi_gaming_misc_setting setting,u8 value)1640 static int WMID_gaming_set_misc_setting(enum acer_wmi_gaming_misc_setting setting, u8 value)
1641 {
1642 acpi_status status;
1643 u64 input = 0;
1644 u64 result;
1645
1646 input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_INDEX_MASK, setting);
1647 input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_VALUE_MASK, value);
1648
1649 status = WMI_gaming_execute_u64(ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, input, &result);
1650 if (ACPI_FAILURE(status))
1651 return -EIO;
1652
1653 /* The return status must be zero for the operation to have succeeded */
1654 if (FIELD_GET(ACER_GAMING_MISC_SETTING_STATUS_MASK, result))
1655 return -EIO;
1656
1657 return 0;
1658 }
1659
WMID_gaming_get_misc_setting(enum acer_wmi_gaming_misc_setting setting,u8 * value)1660 static int WMID_gaming_get_misc_setting(enum acer_wmi_gaming_misc_setting setting, u8 *value)
1661 {
1662 u64 input = 0;
1663 u64 result;
1664 int ret;
1665
1666 input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_INDEX_MASK, setting);
1667
1668 ret = WMI_gaming_execute_u32_u64(ACER_WMID_GET_GAMING_MISC_SETTING_METHODID, input,
1669 &result);
1670 if (ret < 0)
1671 return ret;
1672
1673 /* The return status must be zero for the operation to have succeeded */
1674 if (FIELD_GET(ACER_GAMING_MISC_SETTING_STATUS_MASK, result))
1675 return -EIO;
1676
1677 *value = FIELD_GET(ACER_GAMING_MISC_SETTING_VALUE_MASK, result);
1678
1679 return 0;
1680 }
1681
1682 /*
1683 * Generic Device (interface-independent)
1684 */
1685
get_u32(u32 * value,u32 cap)1686 static acpi_status get_u32(u32 *value, u32 cap)
1687 {
1688 acpi_status status = AE_ERROR;
1689
1690 switch (interface->type) {
1691 case ACER_AMW0:
1692 status = AMW0_get_u32(value, cap);
1693 break;
1694 case ACER_AMW0_V2:
1695 if (cap == ACER_CAP_MAILLED) {
1696 status = AMW0_get_u32(value, cap);
1697 break;
1698 }
1699 fallthrough;
1700 case ACER_WMID:
1701 status = WMID_get_u32(value, cap);
1702 break;
1703 case ACER_WMID_v2:
1704 if (cap & (ACER_CAP_WIRELESS |
1705 ACER_CAP_BLUETOOTH |
1706 ACER_CAP_THREEG))
1707 status = wmid_v2_get_u32(value, cap);
1708 else if (wmi_has_guid(WMID_GUID2))
1709 status = WMID_get_u32(value, cap);
1710 break;
1711 }
1712
1713 return status;
1714 }
1715
set_u32(u32 value,u32 cap)1716 static acpi_status set_u32(u32 value, u32 cap)
1717 {
1718 acpi_status status;
1719
1720 if (interface->capability & cap) {
1721 switch (interface->type) {
1722 case ACER_AMW0:
1723 return AMW0_set_u32(value, cap);
1724 case ACER_AMW0_V2:
1725 if (cap == ACER_CAP_MAILLED)
1726 return AMW0_set_u32(value, cap);
1727
1728 /*
1729 * On some models, some WMID methods don't toggle
1730 * properly. For those cases, we want to run the AMW0
1731 * method afterwards to be certain we've really toggled
1732 * the device state.
1733 */
1734 if (cap == ACER_CAP_WIRELESS ||
1735 cap == ACER_CAP_BLUETOOTH) {
1736 status = WMID_set_u32(value, cap);
1737 if (ACPI_FAILURE(status))
1738 return status;
1739
1740 return AMW0_set_u32(value, cap);
1741 }
1742 fallthrough;
1743 case ACER_WMID:
1744 return WMID_set_u32(value, cap);
1745 case ACER_WMID_v2:
1746 if (cap & (ACER_CAP_WIRELESS |
1747 ACER_CAP_BLUETOOTH |
1748 ACER_CAP_THREEG))
1749 return wmid_v2_set_u32(value, cap);
1750 else if (wmi_has_guid(WMID_GUID2))
1751 return WMID_set_u32(value, cap);
1752 fallthrough;
1753 default:
1754 return AE_BAD_PARAMETER;
1755 }
1756 }
1757 return AE_BAD_PARAMETER;
1758 }
1759
acer_commandline_init(void)1760 static void __init acer_commandline_init(void)
1761 {
1762 /*
1763 * These will all fail silently if the value given is invalid, or the
1764 * capability isn't available on the given interface
1765 */
1766 if (mailled >= 0)
1767 set_u32(mailled, ACER_CAP_MAILLED);
1768 if (!has_type_aa && threeg >= 0)
1769 set_u32(threeg, ACER_CAP_THREEG);
1770 if (brightness >= 0)
1771 set_u32(brightness, ACER_CAP_BRIGHTNESS);
1772 }
1773
1774 /*
1775 * LED device (Mail LED only, no other LEDs known yet)
1776 */
mail_led_set(struct led_classdev * led_cdev,enum led_brightness value)1777 static void mail_led_set(struct led_classdev *led_cdev,
1778 enum led_brightness value)
1779 {
1780 set_u32(value, ACER_CAP_MAILLED);
1781 }
1782
1783 static struct led_classdev mail_led = {
1784 .name = "acer-wmi::mail",
1785 .brightness_set = mail_led_set,
1786 };
1787
acer_led_init(struct device * dev)1788 static int acer_led_init(struct device *dev)
1789 {
1790 return led_classdev_register(dev, &mail_led);
1791 }
1792
acer_led_exit(void)1793 static void acer_led_exit(void)
1794 {
1795 set_u32(LED_OFF, ACER_CAP_MAILLED);
1796 led_classdev_unregister(&mail_led);
1797 }
1798
1799 /*
1800 * Backlight device
1801 */
1802 static struct backlight_device *acer_backlight_device;
1803
read_brightness(struct backlight_device * bd)1804 static int read_brightness(struct backlight_device *bd)
1805 {
1806 u32 value;
1807 get_u32(&value, ACER_CAP_BRIGHTNESS);
1808 return value;
1809 }
1810
update_bl_status(struct backlight_device * bd)1811 static int update_bl_status(struct backlight_device *bd)
1812 {
1813 int intensity = backlight_get_brightness(bd);
1814
1815 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1816
1817 return 0;
1818 }
1819
1820 static const struct backlight_ops acer_bl_ops = {
1821 .get_brightness = read_brightness,
1822 .update_status = update_bl_status,
1823 };
1824
acer_backlight_init(struct device * dev)1825 static int acer_backlight_init(struct device *dev)
1826 {
1827 struct backlight_properties props;
1828 struct backlight_device *bd;
1829
1830 memset(&props, 0, sizeof(struct backlight_properties));
1831 props.type = BACKLIGHT_PLATFORM;
1832 props.max_brightness = max_brightness;
1833 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1834 &props);
1835 if (IS_ERR(bd)) {
1836 pr_err("Could not register Acer backlight device\n");
1837 acer_backlight_device = NULL;
1838 return PTR_ERR(bd);
1839 }
1840
1841 acer_backlight_device = bd;
1842
1843 bd->props.power = BACKLIGHT_POWER_ON;
1844 bd->props.brightness = read_brightness(bd);
1845 backlight_update_status(bd);
1846 return 0;
1847 }
1848
acer_backlight_exit(void)1849 static void acer_backlight_exit(void)
1850 {
1851 backlight_device_unregister(acer_backlight_device);
1852 }
1853
1854 /*
1855 * Accelerometer device
1856 */
1857 static acpi_handle gsensor_handle;
1858
acer_gsensor_init(void)1859 static int acer_gsensor_init(void)
1860 {
1861 acpi_status status;
1862 struct acpi_buffer output;
1863 union acpi_object out_obj;
1864
1865 output.length = sizeof(out_obj);
1866 output.pointer = &out_obj;
1867 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1868 if (ACPI_FAILURE(status))
1869 return -1;
1870
1871 return 0;
1872 }
1873
acer_gsensor_open(struct input_dev * input)1874 static int acer_gsensor_open(struct input_dev *input)
1875 {
1876 return acer_gsensor_init();
1877 }
1878
acer_gsensor_event(void)1879 static int acer_gsensor_event(void)
1880 {
1881 acpi_status status;
1882 struct acpi_buffer output;
1883 union acpi_object out_obj[5];
1884
1885 if (!acer_wmi_accel_dev)
1886 return -1;
1887
1888 output.length = sizeof(out_obj);
1889 output.pointer = out_obj;
1890
1891 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1892 if (ACPI_FAILURE(status))
1893 return -1;
1894
1895 if (out_obj->package.count != 4)
1896 return -1;
1897
1898 input_report_abs(acer_wmi_accel_dev, ABS_X,
1899 (s16)out_obj->package.elements[0].integer.value);
1900 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1901 (s16)out_obj->package.elements[1].integer.value);
1902 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1903 (s16)out_obj->package.elements[2].integer.value);
1904 input_sync(acer_wmi_accel_dev);
1905 return 0;
1906 }
1907
1908 /*
1909 * Predator series turbo button
1910 */
acer_toggle_turbo(void)1911 static int acer_toggle_turbo(void)
1912 {
1913 u64 turbo_led_state;
1914
1915 /* Get current state from turbo button */
1916 if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED)))
1917 return -1;
1918
1919 if (turbo_led_state) {
1920 /* Turn off turbo led */
1921 WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
1922
1923 /* Set FAN mode to auto */
1924 WMID_gaming_set_fan_mode(0x1);
1925
1926 /* Set OC to normal */
1927 if (has_cap(ACER_CAP_TURBO_OC)) {
1928 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_1,
1929 ACER_WMID_OC_NORMAL);
1930 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_2,
1931 ACER_WMID_OC_NORMAL);
1932 }
1933 } else {
1934 /* Turn on turbo led */
1935 WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED);
1936
1937 /* Set FAN mode to turbo */
1938 WMID_gaming_set_fan_mode(0x2);
1939
1940 /* Set OC to turbo mode */
1941 if (has_cap(ACER_CAP_TURBO_OC)) {
1942 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_1,
1943 ACER_WMID_OC_TURBO);
1944 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_2,
1945 ACER_WMID_OC_TURBO);
1946 }
1947 }
1948 return turbo_led_state;
1949 }
1950
1951 static int
acer_predator_v4_platform_profile_get(struct device * dev,enum platform_profile_option * profile)1952 acer_predator_v4_platform_profile_get(struct device *dev,
1953 enum platform_profile_option *profile)
1954 {
1955 u8 tp;
1956 int err;
1957
1958 err = WMID_gaming_get_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, &tp);
1959 if (err)
1960 return err;
1961
1962 switch (tp) {
1963 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1964 *profile = PLATFORM_PROFILE_PERFORMANCE;
1965 break;
1966 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1967 *profile = PLATFORM_PROFILE_BALANCED_PERFORMANCE;
1968 break;
1969 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1970 *profile = PLATFORM_PROFILE_BALANCED;
1971 break;
1972 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1973 *profile = PLATFORM_PROFILE_QUIET;
1974 break;
1975 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1976 *profile = PLATFORM_PROFILE_LOW_POWER;
1977 break;
1978 default:
1979 return -EOPNOTSUPP;
1980 }
1981
1982 return 0;
1983 }
1984
1985 static int
acer_predator_v4_platform_profile_set(struct device * dev,enum platform_profile_option profile)1986 acer_predator_v4_platform_profile_set(struct device *dev,
1987 enum platform_profile_option profile)
1988 {
1989 int err, tp;
1990
1991 switch (profile) {
1992 case PLATFORM_PROFILE_PERFORMANCE:
1993 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO;
1994 break;
1995 case PLATFORM_PROFILE_BALANCED_PERFORMANCE:
1996 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE;
1997 break;
1998 case PLATFORM_PROFILE_BALANCED:
1999 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED;
2000 break;
2001 case PLATFORM_PROFILE_QUIET:
2002 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET;
2003 break;
2004 case PLATFORM_PROFILE_LOW_POWER:
2005 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO;
2006 break;
2007 default:
2008 return -EOPNOTSUPP;
2009 }
2010
2011 err = WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, tp);
2012 if (err)
2013 return err;
2014
2015 if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO)
2016 last_non_turbo_profile = tp;
2017
2018 return 0;
2019 }
2020
2021 static int
acer_predator_v4_platform_profile_probe(void * drvdata,unsigned long * choices)2022 acer_predator_v4_platform_profile_probe(void *drvdata, unsigned long *choices)
2023 {
2024 set_bit(PLATFORM_PROFILE_PERFORMANCE, choices);
2025 set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE, choices);
2026 set_bit(PLATFORM_PROFILE_BALANCED, choices);
2027 set_bit(PLATFORM_PROFILE_QUIET, choices);
2028 set_bit(PLATFORM_PROFILE_LOW_POWER, choices);
2029
2030 /* Set default non-turbo profile */
2031 last_non_turbo_profile = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED;
2032
2033 return 0;
2034 }
2035
2036 static const struct platform_profile_ops acer_predator_v4_platform_profile_ops = {
2037 .probe = acer_predator_v4_platform_profile_probe,
2038 .profile_get = acer_predator_v4_platform_profile_get,
2039 .profile_set = acer_predator_v4_platform_profile_set,
2040 };
2041
acer_platform_profile_setup(struct platform_device * device)2042 static int acer_platform_profile_setup(struct platform_device *device)
2043 {
2044 if (quirks->predator_v4) {
2045 platform_profile_device = devm_platform_profile_register(
2046 &device->dev, "acer-wmi", NULL, &acer_predator_v4_platform_profile_ops);
2047 if (IS_ERR(platform_profile_device))
2048 return PTR_ERR(platform_profile_device);
2049
2050 platform_profile_support = true;
2051 }
2052 return 0;
2053 }
2054
acer_thermal_profile_change(void)2055 static int acer_thermal_profile_change(void)
2056 {
2057 /*
2058 * This mode key will either cycle through each mode or toggle the
2059 * most performant profile.
2060 */
2061 if (quirks->predator_v4) {
2062 u8 current_tp;
2063 int err, tp;
2064
2065 if (cycle_gaming_thermal_profile) {
2066 platform_profile_cycle();
2067 } else {
2068 err = WMID_gaming_get_misc_setting(
2069 ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, ¤t_tp);
2070 if (err)
2071 return err;
2072
2073 if (current_tp == ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO)
2074 tp = last_non_turbo_profile;
2075 else
2076 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO;
2077
2078 err = WMID_gaming_set_misc_setting(
2079 ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, tp);
2080 if (err)
2081 return err;
2082
2083 /* Store last profile for toggle */
2084 if (current_tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO)
2085 last_non_turbo_profile = current_tp;
2086
2087 platform_profile_notify(platform_profile_device);
2088 }
2089 }
2090
2091 return 0;
2092 }
2093
2094 /*
2095 * Switch series keyboard dock status
2096 */
acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)2097 static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
2098 {
2099 switch (kbd_dock_state) {
2100 case 0x01: /* Docked, traditional clamshell laptop mode */
2101 return 0;
2102 case 0x04: /* Stand-alone tablet */
2103 case 0x40: /* Docked, tent mode, keyboard not usable */
2104 return 1;
2105 default:
2106 pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
2107 }
2108
2109 return 0;
2110 }
2111
acer_kbd_dock_get_initial_state(void)2112 static void acer_kbd_dock_get_initial_state(void)
2113 {
2114 u8 *output, input[8] = { 0x05, 0x00, };
2115 struct acpi_buffer input_buf = { sizeof(input), input };
2116 struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
2117 union acpi_object *obj;
2118 acpi_status status;
2119 int sw_tablet_mode;
2120
2121 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
2122 if (ACPI_FAILURE(status)) {
2123 pr_err("Error getting keyboard-dock initial status: %s\n",
2124 acpi_format_exception(status));
2125 return;
2126 }
2127
2128 obj = output_buf.pointer;
2129 if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
2130 pr_err("Unexpected output format getting keyboard-dock initial status\n");
2131 goto out_free_obj;
2132 }
2133
2134 output = obj->buffer.pointer;
2135 if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
2136 pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
2137 output[0], output[3]);
2138 goto out_free_obj;
2139 }
2140
2141 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
2142 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2143
2144 out_free_obj:
2145 kfree(obj);
2146 }
2147
acer_kbd_dock_event(const struct event_return_value * event)2148 static void acer_kbd_dock_event(const struct event_return_value *event)
2149 {
2150 int sw_tablet_mode;
2151
2152 if (!has_cap(ACER_CAP_KBD_DOCK))
2153 return;
2154
2155 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
2156 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2157 input_sync(acer_wmi_input_dev);
2158 }
2159
2160 /*
2161 * Rfkill devices
2162 */
2163 static void acer_rfkill_update(struct work_struct *ignored);
2164 static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
acer_rfkill_update(struct work_struct * ignored)2165 static void acer_rfkill_update(struct work_struct *ignored)
2166 {
2167 u32 state;
2168 acpi_status status;
2169
2170 if (has_cap(ACER_CAP_WIRELESS)) {
2171 status = get_u32(&state, ACER_CAP_WIRELESS);
2172 if (ACPI_SUCCESS(status)) {
2173 if (quirks->wireless == 3)
2174 rfkill_set_hw_state(wireless_rfkill, !state);
2175 else
2176 rfkill_set_sw_state(wireless_rfkill, !state);
2177 }
2178 }
2179
2180 if (has_cap(ACER_CAP_BLUETOOTH)) {
2181 status = get_u32(&state, ACER_CAP_BLUETOOTH);
2182 if (ACPI_SUCCESS(status))
2183 rfkill_set_sw_state(bluetooth_rfkill, !state);
2184 }
2185
2186 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
2187 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
2188 if (ACPI_SUCCESS(status))
2189 rfkill_set_sw_state(threeg_rfkill, !state);
2190 }
2191
2192 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
2193 }
2194
acer_rfkill_set(void * data,bool blocked)2195 static int acer_rfkill_set(void *data, bool blocked)
2196 {
2197 acpi_status status;
2198 u32 cap = (unsigned long)data;
2199
2200 if (rfkill_inited) {
2201 status = set_u32(!blocked, cap);
2202 if (ACPI_FAILURE(status))
2203 return -ENODEV;
2204 }
2205
2206 return 0;
2207 }
2208
2209 static const struct rfkill_ops acer_rfkill_ops = {
2210 .set_block = acer_rfkill_set,
2211 };
2212
acer_rfkill_register(struct device * dev,enum rfkill_type type,char * name,u32 cap)2213 static struct rfkill *acer_rfkill_register(struct device *dev,
2214 enum rfkill_type type,
2215 char *name, u32 cap)
2216 {
2217 int err;
2218 struct rfkill *rfkill_dev;
2219 u32 state;
2220 acpi_status status;
2221
2222 rfkill_dev = rfkill_alloc(name, dev, type,
2223 &acer_rfkill_ops,
2224 (void *)(unsigned long)cap);
2225 if (!rfkill_dev)
2226 return ERR_PTR(-ENOMEM);
2227
2228 status = get_u32(&state, cap);
2229
2230 err = rfkill_register(rfkill_dev);
2231 if (err) {
2232 rfkill_destroy(rfkill_dev);
2233 return ERR_PTR(err);
2234 }
2235
2236 if (ACPI_SUCCESS(status))
2237 rfkill_set_sw_state(rfkill_dev, !state);
2238
2239 return rfkill_dev;
2240 }
2241
acer_rfkill_init(struct device * dev)2242 static int acer_rfkill_init(struct device *dev)
2243 {
2244 int err;
2245
2246 if (has_cap(ACER_CAP_WIRELESS)) {
2247 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
2248 "acer-wireless", ACER_CAP_WIRELESS);
2249 if (IS_ERR(wireless_rfkill)) {
2250 err = PTR_ERR(wireless_rfkill);
2251 goto error_wireless;
2252 }
2253 }
2254
2255 if (has_cap(ACER_CAP_BLUETOOTH)) {
2256 bluetooth_rfkill = acer_rfkill_register(dev,
2257 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
2258 ACER_CAP_BLUETOOTH);
2259 if (IS_ERR(bluetooth_rfkill)) {
2260 err = PTR_ERR(bluetooth_rfkill);
2261 goto error_bluetooth;
2262 }
2263 }
2264
2265 if (has_cap(ACER_CAP_THREEG)) {
2266 threeg_rfkill = acer_rfkill_register(dev,
2267 RFKILL_TYPE_WWAN, "acer-threeg",
2268 ACER_CAP_THREEG);
2269 if (IS_ERR(threeg_rfkill)) {
2270 err = PTR_ERR(threeg_rfkill);
2271 goto error_threeg;
2272 }
2273 }
2274
2275 rfkill_inited = true;
2276
2277 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2278 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2279 schedule_delayed_work(&acer_rfkill_work,
2280 round_jiffies_relative(HZ));
2281
2282 return 0;
2283
2284 error_threeg:
2285 if (has_cap(ACER_CAP_BLUETOOTH)) {
2286 rfkill_unregister(bluetooth_rfkill);
2287 rfkill_destroy(bluetooth_rfkill);
2288 }
2289 error_bluetooth:
2290 if (has_cap(ACER_CAP_WIRELESS)) {
2291 rfkill_unregister(wireless_rfkill);
2292 rfkill_destroy(wireless_rfkill);
2293 }
2294 error_wireless:
2295 return err;
2296 }
2297
acer_rfkill_exit(void)2298 static void acer_rfkill_exit(void)
2299 {
2300 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2301 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2302 cancel_delayed_work_sync(&acer_rfkill_work);
2303
2304 if (has_cap(ACER_CAP_WIRELESS)) {
2305 rfkill_unregister(wireless_rfkill);
2306 rfkill_destroy(wireless_rfkill);
2307 }
2308
2309 if (has_cap(ACER_CAP_BLUETOOTH)) {
2310 rfkill_unregister(bluetooth_rfkill);
2311 rfkill_destroy(bluetooth_rfkill);
2312 }
2313
2314 if (has_cap(ACER_CAP_THREEG)) {
2315 rfkill_unregister(threeg_rfkill);
2316 rfkill_destroy(threeg_rfkill);
2317 }
2318 }
2319
acer_wmi_notify(union acpi_object * obj,void * context)2320 static void acer_wmi_notify(union acpi_object *obj, void *context)
2321 {
2322 struct event_return_value return_value;
2323 u16 device_state;
2324 const struct key_entry *key;
2325 u32 scancode;
2326
2327 if (!obj)
2328 return;
2329 if (obj->type != ACPI_TYPE_BUFFER) {
2330 pr_warn("Unknown response received %d\n", obj->type);
2331 return;
2332 }
2333 if (obj->buffer.length != 8) {
2334 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2335 return;
2336 }
2337
2338 return_value = *((struct event_return_value *)obj->buffer.pointer);
2339
2340 switch (return_value.function) {
2341 case WMID_HOTKEY_EVENT:
2342 device_state = return_value.device_state;
2343 pr_debug("device state: 0x%x\n", device_state);
2344
2345 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
2346 return_value.key_num);
2347 if (!key) {
2348 pr_warn("Unknown key number - 0x%x\n",
2349 return_value.key_num);
2350 } else {
2351 scancode = return_value.key_num;
2352 switch (key->keycode) {
2353 case KEY_WLAN:
2354 case KEY_BLUETOOTH:
2355 if (has_cap(ACER_CAP_WIRELESS))
2356 rfkill_set_sw_state(wireless_rfkill,
2357 !(device_state & ACER_WMID3_GDS_WIRELESS));
2358 if (has_cap(ACER_CAP_THREEG))
2359 rfkill_set_sw_state(threeg_rfkill,
2360 !(device_state & ACER_WMID3_GDS_THREEG));
2361 if (has_cap(ACER_CAP_BLUETOOTH))
2362 rfkill_set_sw_state(bluetooth_rfkill,
2363 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
2364 break;
2365 case KEY_TOUCHPAD_TOGGLE:
2366 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
2367 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
2368 }
2369 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
2370 }
2371 break;
2372 case WMID_ACCEL_OR_KBD_DOCK_EVENT:
2373 acer_gsensor_event();
2374 acer_kbd_dock_event(&return_value);
2375 break;
2376 case WMID_GAMING_TURBO_KEY_EVENT:
2377 if (return_value.key_num == 0x4)
2378 acer_toggle_turbo();
2379 if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
2380 acer_thermal_profile_change();
2381 break;
2382 case WMID_AC_EVENT:
2383 /* We ignore AC events here */
2384 break;
2385 default:
2386 pr_warn("Unknown function number - %d - %d\n",
2387 return_value.function, return_value.key_num);
2388 break;
2389 }
2390 }
2391
2392 static acpi_status __init
wmid3_set_function_mode(struct func_input_params * params,struct func_return_value * return_value)2393 wmid3_set_function_mode(struct func_input_params *params,
2394 struct func_return_value *return_value)
2395 {
2396 acpi_status status;
2397 union acpi_object *obj;
2398
2399 struct acpi_buffer input = { sizeof(struct func_input_params), params };
2400 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2401
2402 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
2403 if (ACPI_FAILURE(status))
2404 return status;
2405
2406 obj = output.pointer;
2407
2408 if (!obj)
2409 return AE_ERROR;
2410 else if (obj->type != ACPI_TYPE_BUFFER) {
2411 kfree(obj);
2412 return AE_ERROR;
2413 }
2414 if (obj->buffer.length != 4) {
2415 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2416 kfree(obj);
2417 return AE_ERROR;
2418 }
2419
2420 *return_value = *((struct func_return_value *)obj->buffer.pointer);
2421 kfree(obj);
2422
2423 return status;
2424 }
2425
acer_wmi_enable_ec_raw(void)2426 static int __init acer_wmi_enable_ec_raw(void)
2427 {
2428 struct func_return_value return_value;
2429 acpi_status status;
2430 struct func_input_params params = {
2431 .function_num = 0x1,
2432 .commun_devices = 0xFFFF,
2433 .devices = 0xFFFF,
2434 .app_status = 0x00, /* Launch Manager Deactive */
2435 .app_mask = 0x01,
2436 };
2437
2438 status = wmid3_set_function_mode(¶ms, &return_value);
2439
2440 if (return_value.error_code || return_value.ec_return_value)
2441 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
2442 return_value.error_code,
2443 return_value.ec_return_value);
2444 else
2445 pr_info("Enabled EC raw mode\n");
2446
2447 return status;
2448 }
2449
acer_wmi_enable_lm(void)2450 static int __init acer_wmi_enable_lm(void)
2451 {
2452 struct func_return_value return_value;
2453 acpi_status status;
2454 struct func_input_params params = {
2455 .function_num = 0x1,
2456 .commun_devices = 0xFFFF,
2457 .devices = 0xFFFF,
2458 .app_status = 0x01, /* Launch Manager Active */
2459 .app_mask = 0x01,
2460 };
2461
2462 status = wmid3_set_function_mode(¶ms, &return_value);
2463
2464 if (return_value.error_code || return_value.ec_return_value)
2465 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
2466 return_value.error_code,
2467 return_value.ec_return_value);
2468
2469 return status;
2470 }
2471
acer_wmi_enable_rf_button(void)2472 static int __init acer_wmi_enable_rf_button(void)
2473 {
2474 struct func_return_value return_value;
2475 acpi_status status;
2476 struct func_input_params params = {
2477 .function_num = 0x1,
2478 .commun_devices = 0xFFFF,
2479 .devices = 0xFFFF,
2480 .app_status = 0x10, /* RF Button Active */
2481 .app_mask = 0x10,
2482 };
2483
2484 status = wmid3_set_function_mode(¶ms, &return_value);
2485
2486 if (return_value.error_code || return_value.ec_return_value)
2487 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
2488 return_value.error_code,
2489 return_value.ec_return_value);
2490
2491 return status;
2492 }
2493
acer_wmi_accel_setup(void)2494 static int __init acer_wmi_accel_setup(void)
2495 {
2496 struct acpi_device *adev;
2497 int err;
2498
2499 adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1);
2500 if (!adev)
2501 return -ENODEV;
2502
2503 gsensor_handle = acpi_device_handle(adev);
2504 acpi_dev_put(adev);
2505
2506 acer_wmi_accel_dev = input_allocate_device();
2507 if (!acer_wmi_accel_dev)
2508 return -ENOMEM;
2509
2510 acer_wmi_accel_dev->open = acer_gsensor_open;
2511
2512 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
2513 acer_wmi_accel_dev->phys = "wmi/input1";
2514 acer_wmi_accel_dev->id.bustype = BUS_HOST;
2515 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
2516 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
2517 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
2518 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
2519
2520 err = input_register_device(acer_wmi_accel_dev);
2521 if (err)
2522 goto err_free_dev;
2523
2524 return 0;
2525
2526 err_free_dev:
2527 input_free_device(acer_wmi_accel_dev);
2528 return err;
2529 }
2530
acer_wmi_input_setup(void)2531 static int __init acer_wmi_input_setup(void)
2532 {
2533 acpi_status status;
2534 int err;
2535
2536 acer_wmi_input_dev = input_allocate_device();
2537 if (!acer_wmi_input_dev)
2538 return -ENOMEM;
2539
2540 acer_wmi_input_dev->name = "Acer WMI hotkeys";
2541 acer_wmi_input_dev->phys = "wmi/input0";
2542 acer_wmi_input_dev->id.bustype = BUS_HOST;
2543
2544 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
2545 if (err)
2546 goto err_free_dev;
2547
2548 if (has_cap(ACER_CAP_KBD_DOCK))
2549 input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
2550
2551 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
2552 acer_wmi_notify, NULL);
2553 if (ACPI_FAILURE(status)) {
2554 err = -EIO;
2555 goto err_free_dev;
2556 }
2557
2558 if (has_cap(ACER_CAP_KBD_DOCK))
2559 acer_kbd_dock_get_initial_state();
2560
2561 err = input_register_device(acer_wmi_input_dev);
2562 if (err)
2563 goto err_uninstall_notifier;
2564
2565 return 0;
2566
2567 err_uninstall_notifier:
2568 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2569 err_free_dev:
2570 input_free_device(acer_wmi_input_dev);
2571 return err;
2572 }
2573
acer_wmi_input_destroy(void)2574 static void acer_wmi_input_destroy(void)
2575 {
2576 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2577 input_unregister_device(acer_wmi_input_dev);
2578 }
2579
2580 /*
2581 * debugfs functions
2582 */
get_wmid_devices(void)2583 static u32 get_wmid_devices(void)
2584 {
2585 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2586 union acpi_object *obj;
2587 acpi_status status;
2588 u32 devices = 0;
2589
2590 status = wmi_query_block(WMID_GUID2, 0, &out);
2591 if (ACPI_FAILURE(status))
2592 return 0;
2593
2594 obj = (union acpi_object *) out.pointer;
2595 if (obj) {
2596 if (obj->type == ACPI_TYPE_BUFFER &&
2597 (obj->buffer.length == sizeof(u32) ||
2598 obj->buffer.length == sizeof(u64))) {
2599 devices = *((u32 *) obj->buffer.pointer);
2600 } else if (obj->type == ACPI_TYPE_INTEGER) {
2601 devices = (u32) obj->integer.value;
2602 }
2603 }
2604
2605 kfree(out.pointer);
2606 return devices;
2607 }
2608
2609 static int acer_wmi_hwmon_init(void);
2610
2611 /*
2612 * Platform device
2613 */
acer_platform_probe(struct platform_device * device)2614 static int acer_platform_probe(struct platform_device *device)
2615 {
2616 int err;
2617
2618 if (has_cap(ACER_CAP_MAILLED)) {
2619 err = acer_led_init(&device->dev);
2620 if (err)
2621 goto error_mailled;
2622 }
2623
2624 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2625 err = acer_backlight_init(&device->dev);
2626 if (err)
2627 goto error_brightness;
2628 }
2629
2630 err = acer_rfkill_init(&device->dev);
2631 if (err)
2632 goto error_rfkill;
2633
2634 if (has_cap(ACER_CAP_PLATFORM_PROFILE)) {
2635 err = acer_platform_profile_setup(device);
2636 if (err)
2637 goto error_platform_profile;
2638 }
2639
2640 if (has_cap(ACER_CAP_HWMON)) {
2641 err = acer_wmi_hwmon_init();
2642 if (err)
2643 goto error_hwmon;
2644 }
2645
2646 return 0;
2647
2648 error_hwmon:
2649 error_platform_profile:
2650 acer_rfkill_exit();
2651 error_rfkill:
2652 if (has_cap(ACER_CAP_BRIGHTNESS))
2653 acer_backlight_exit();
2654 error_brightness:
2655 if (has_cap(ACER_CAP_MAILLED))
2656 acer_led_exit();
2657 error_mailled:
2658 return err;
2659 }
2660
acer_platform_remove(struct platform_device * device)2661 static void acer_platform_remove(struct platform_device *device)
2662 {
2663 if (has_cap(ACER_CAP_MAILLED))
2664 acer_led_exit();
2665 if (has_cap(ACER_CAP_BRIGHTNESS))
2666 acer_backlight_exit();
2667
2668 acer_rfkill_exit();
2669 }
2670
2671 #ifdef CONFIG_PM_SLEEP
acer_suspend(struct device * dev)2672 static int acer_suspend(struct device *dev)
2673 {
2674 u32 value;
2675 struct acer_data *data = &interface->data;
2676
2677 if (!data)
2678 return -ENOMEM;
2679
2680 if (has_cap(ACER_CAP_MAILLED)) {
2681 get_u32(&value, ACER_CAP_MAILLED);
2682 set_u32(LED_OFF, ACER_CAP_MAILLED);
2683 data->mailled = value;
2684 }
2685
2686 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2687 get_u32(&value, ACER_CAP_BRIGHTNESS);
2688 data->brightness = value;
2689 }
2690
2691 return 0;
2692 }
2693
acer_resume(struct device * dev)2694 static int acer_resume(struct device *dev)
2695 {
2696 struct acer_data *data = &interface->data;
2697
2698 if (!data)
2699 return -ENOMEM;
2700
2701 if (has_cap(ACER_CAP_MAILLED))
2702 set_u32(data->mailled, ACER_CAP_MAILLED);
2703
2704 if (has_cap(ACER_CAP_BRIGHTNESS))
2705 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2706
2707 if (acer_wmi_accel_dev)
2708 acer_gsensor_init();
2709
2710 return 0;
2711 }
2712 #else
2713 #define acer_suspend NULL
2714 #define acer_resume NULL
2715 #endif
2716
2717 static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2718
acer_platform_shutdown(struct platform_device * device)2719 static void acer_platform_shutdown(struct platform_device *device)
2720 {
2721 struct acer_data *data = &interface->data;
2722
2723 if (!data)
2724 return;
2725
2726 if (has_cap(ACER_CAP_MAILLED))
2727 set_u32(LED_OFF, ACER_CAP_MAILLED);
2728 }
2729
2730 static struct platform_driver acer_platform_driver = {
2731 .driver = {
2732 .name = "acer-wmi",
2733 .pm = &acer_pm,
2734 },
2735 .probe = acer_platform_probe,
2736 .remove = acer_platform_remove,
2737 .shutdown = acer_platform_shutdown,
2738 };
2739
2740 static struct platform_device *acer_platform_device;
2741
remove_debugfs(void)2742 static void remove_debugfs(void)
2743 {
2744 debugfs_remove_recursive(interface->debug.root);
2745 }
2746
create_debugfs(void)2747 static void __init create_debugfs(void)
2748 {
2749 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2750
2751 debugfs_create_u32("devices", S_IRUGO, interface->debug.root,
2752 &interface->debug.wmid_devices);
2753 }
2754
2755 static const enum acer_wmi_predator_v4_sensor_id acer_wmi_temp_channel_to_sensor_id[] = {
2756 [0] = ACER_WMID_SENSOR_CPU_TEMPERATURE,
2757 [1] = ACER_WMID_SENSOR_GPU_TEMPERATURE,
2758 [2] = ACER_WMID_SENSOR_EXTERNAL_TEMPERATURE_2,
2759 };
2760
2761 static const enum acer_wmi_predator_v4_sensor_id acer_wmi_fan_channel_to_sensor_id[] = {
2762 [0] = ACER_WMID_SENSOR_CPU_FAN_SPEED,
2763 [1] = ACER_WMID_SENSOR_GPU_FAN_SPEED,
2764 };
2765
acer_wmi_hwmon_is_visible(const void * data,enum hwmon_sensor_types type,u32 attr,int channel)2766 static umode_t acer_wmi_hwmon_is_visible(const void *data,
2767 enum hwmon_sensor_types type, u32 attr,
2768 int channel)
2769 {
2770 enum acer_wmi_predator_v4_sensor_id sensor_id;
2771 const u64 *supported_sensors = data;
2772
2773 switch (type) {
2774 case hwmon_temp:
2775 sensor_id = acer_wmi_temp_channel_to_sensor_id[channel];
2776 break;
2777 case hwmon_fan:
2778 sensor_id = acer_wmi_fan_channel_to_sensor_id[channel];
2779 break;
2780 default:
2781 return 0;
2782 }
2783
2784 if (*supported_sensors & BIT(sensor_id - 1))
2785 return 0444;
2786
2787 return 0;
2788 }
2789
acer_wmi_hwmon_read(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long * val)2790 static int acer_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2791 u32 attr, int channel, long *val)
2792 {
2793 u64 command = ACER_WMID_CMD_GET_PREDATOR_V4_SENSOR_READING;
2794 u64 result;
2795 int ret;
2796
2797 switch (type) {
2798 case hwmon_temp:
2799 command |= FIELD_PREP(ACER_PREDATOR_V4_SENSOR_INDEX_BIT_MASK,
2800 acer_wmi_temp_channel_to_sensor_id[channel]);
2801
2802 ret = WMID_gaming_get_sys_info(command, &result);
2803 if (ret < 0)
2804 return ret;
2805
2806 result = FIELD_GET(ACER_PREDATOR_V4_SENSOR_READING_BIT_MASK, result);
2807 *val = result * MILLIDEGREE_PER_DEGREE;
2808 return 0;
2809 case hwmon_fan:
2810 command |= FIELD_PREP(ACER_PREDATOR_V4_SENSOR_INDEX_BIT_MASK,
2811 acer_wmi_fan_channel_to_sensor_id[channel]);
2812
2813 ret = WMID_gaming_get_sys_info(command, &result);
2814 if (ret < 0)
2815 return ret;
2816
2817 *val = FIELD_GET(ACER_PREDATOR_V4_SENSOR_READING_BIT_MASK, result);
2818 return 0;
2819 default:
2820 return -EOPNOTSUPP;
2821 }
2822 }
2823
2824 static const struct hwmon_channel_info *const acer_wmi_hwmon_info[] = {
2825 HWMON_CHANNEL_INFO(temp,
2826 HWMON_T_INPUT,
2827 HWMON_T_INPUT,
2828 HWMON_T_INPUT
2829 ),
2830 HWMON_CHANNEL_INFO(fan,
2831 HWMON_F_INPUT,
2832 HWMON_F_INPUT
2833 ),
2834 NULL
2835 };
2836
2837 static const struct hwmon_ops acer_wmi_hwmon_ops = {
2838 .read = acer_wmi_hwmon_read,
2839 .is_visible = acer_wmi_hwmon_is_visible,
2840 };
2841
2842 static const struct hwmon_chip_info acer_wmi_hwmon_chip_info = {
2843 .ops = &acer_wmi_hwmon_ops,
2844 .info = acer_wmi_hwmon_info,
2845 };
2846
acer_wmi_hwmon_init(void)2847 static int acer_wmi_hwmon_init(void)
2848 {
2849 struct device *dev = &acer_platform_device->dev;
2850 struct device *hwmon;
2851 u64 result;
2852 int ret;
2853
2854 ret = WMID_gaming_get_sys_info(ACER_WMID_CMD_GET_PREDATOR_V4_SUPPORTED_SENSORS, &result);
2855 if (ret < 0)
2856 return ret;
2857
2858 /* Return early if no sensors are available */
2859 supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
2860 if (!supported_sensors)
2861 return 0;
2862
2863 hwmon = devm_hwmon_device_register_with_info(dev, "acer",
2864 &supported_sensors,
2865 &acer_wmi_hwmon_chip_info,
2866 NULL);
2867
2868 if (IS_ERR(hwmon)) {
2869 dev_err(dev, "Could not register acer hwmon device\n");
2870 return PTR_ERR(hwmon);
2871 }
2872
2873 return 0;
2874 }
2875
acer_wmi_init(void)2876 static int __init acer_wmi_init(void)
2877 {
2878 int err;
2879
2880 pr_info("Acer Laptop ACPI-WMI Extras\n");
2881
2882 if (dmi_check_system(acer_blacklist)) {
2883 pr_info("Blacklisted hardware detected - not loading\n");
2884 return -ENODEV;
2885 }
2886
2887 find_quirks();
2888
2889 /*
2890 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2891 * machines like Lenovo, Fujitsu and Medion. In the past days,
2892 * acer-wmi driver handled those non-Acer machines by quirks list.
2893 * But actually acer-wmi driver was loaded on any machines that have
2894 * AMW0_GUID1. This behavior is strange because those machines should
2895 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2896 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2897 * should be in Acer/Gateway/Packard Bell white list, or it's already
2898 * in the past quirk list.
2899 */
2900 if (wmi_has_guid(AMW0_GUID1) &&
2901 !dmi_check_system(amw0_whitelist) &&
2902 quirks == &quirk_unknown) {
2903 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
2904 return -ENODEV;
2905 }
2906
2907 /*
2908 * Detect which ACPI-WMI interface we're using.
2909 */
2910 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2911 interface = &AMW0_V2_interface;
2912
2913 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2914 interface = &wmid_interface;
2915
2916 if (wmi_has_guid(WMID_GUID3))
2917 interface = &wmid_v2_interface;
2918
2919 if (interface)
2920 dmi_walk(type_aa_dmi_decode, NULL);
2921
2922 if (wmi_has_guid(WMID_GUID2) && interface) {
2923 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
2924 pr_err("Unable to detect available WMID devices\n");
2925 return -ENODEV;
2926 }
2927 /* WMID always provides brightness methods */
2928 interface->capability |= ACER_CAP_BRIGHTNESS;
2929 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
2930 pr_err("No WMID device detection method found\n");
2931 return -ENODEV;
2932 }
2933
2934 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2935 interface = &AMW0_interface;
2936
2937 if (ACPI_FAILURE(AMW0_set_capabilities())) {
2938 pr_err("Unable to detect available AMW0 devices\n");
2939 return -ENODEV;
2940 }
2941 }
2942
2943 if (wmi_has_guid(AMW0_GUID1))
2944 AMW0_find_mailled();
2945
2946 if (!interface) {
2947 pr_err("No or unsupported WMI interface, unable to load\n");
2948 return -ENODEV;
2949 }
2950
2951 set_quirks();
2952
2953 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
2954 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2955
2956 if (wmi_has_guid(WMID_GUID3))
2957 interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
2958
2959 if (force_caps != -1)
2960 interface->capability = force_caps;
2961
2962 if (wmi_has_guid(WMID_GUID3) &&
2963 (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
2964 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
2965 pr_warn("Cannot enable RF Button Driver\n");
2966
2967 if (ec_raw_mode) {
2968 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
2969 pr_err("Cannot enable EC raw mode\n");
2970 return -ENODEV;
2971 }
2972 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
2973 pr_err("Cannot enable Launch Manager mode\n");
2974 return -ENODEV;
2975 }
2976 } else if (ec_raw_mode) {
2977 pr_info("No WMID EC raw mode enable method\n");
2978 }
2979
2980 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2981 err = acer_wmi_input_setup();
2982 if (err)
2983 return err;
2984 err = acer_wmi_accel_setup();
2985 if (err && err != -ENODEV)
2986 pr_warn("Cannot enable accelerometer\n");
2987 }
2988
2989 err = platform_driver_register(&acer_platform_driver);
2990 if (err) {
2991 pr_err("Unable to register platform driver\n");
2992 goto error_platform_register;
2993 }
2994
2995 acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE);
2996 if (!acer_platform_device) {
2997 err = -ENOMEM;
2998 goto error_device_alloc;
2999 }
3000
3001 err = platform_device_add(acer_platform_device);
3002 if (err)
3003 goto error_device_add;
3004
3005 if (wmi_has_guid(WMID_GUID2)) {
3006 interface->debug.wmid_devices = get_wmid_devices();
3007 create_debugfs();
3008 }
3009
3010 /* Override any initial settings with values from the commandline */
3011 acer_commandline_init();
3012
3013 return 0;
3014
3015 error_device_add:
3016 platform_device_put(acer_platform_device);
3017 error_device_alloc:
3018 platform_driver_unregister(&acer_platform_driver);
3019 error_platform_register:
3020 if (wmi_has_guid(ACERWMID_EVENT_GUID))
3021 acer_wmi_input_destroy();
3022 if (acer_wmi_accel_dev)
3023 input_unregister_device(acer_wmi_accel_dev);
3024
3025 return err;
3026 }
3027
acer_wmi_exit(void)3028 static void __exit acer_wmi_exit(void)
3029 {
3030 if (wmi_has_guid(ACERWMID_EVENT_GUID))
3031 acer_wmi_input_destroy();
3032
3033 if (acer_wmi_accel_dev)
3034 input_unregister_device(acer_wmi_accel_dev);
3035
3036 remove_debugfs();
3037 platform_device_unregister(acer_platform_device);
3038 platform_driver_unregister(&acer_platform_driver);
3039
3040 pr_info("Acer Laptop WMI Extras unloaded\n");
3041 }
3042
3043 module_init(acer_wmi_init);
3044 module_exit(acer_wmi_exit);
3045