1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Acer WMI Laptop Extras
4 *
5 * Copyright (C) 2007-2009 Carlos Corbacho <[email protected]>
6 *
7 * Based on acer_acpi:
8 * Copyright (C) 2005-2007 E.M. Smith
9 * Copyright (C) 2007-2008 Carlos Corbacho <[email protected]>
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 ACER_WMID_MISC_SETTING_SUPPORTED_PROFILES = 0x000A,
133 ACER_WMID_MISC_SETTING_PLATFORM_PROFILE = 0x000B,
134 };
135
136 static const struct key_entry acer_wmi_keymap[] __initconst = {
137 {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
138 {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
139 {KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
140 {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
141 {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
142 {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
143 {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
144 {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
145 {KE_KEY, 0x27, {KEY_HELP} },
146 {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
147 {KE_IGNORE, 0x41, {KEY_MUTE} },
148 {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
149 {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
150 {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
151 {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
152 {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
153 {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
154 {KE_IGNORE, 0x45, {KEY_STOP} },
155 {KE_IGNORE, 0x50, {KEY_STOP} },
156 {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
157 {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
158 {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
159 /*
160 * 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event
161 * with the "Video Bus" input device events. But sometimes it is not
162 * a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that
163 * udev/hwdb can override it on systems where it is not a dup.
164 */
165 {KE_KEY, 0x61, {KEY_UNKNOWN} },
166 {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
167 {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
168 {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
169 {KE_IGNORE, 0x81, {KEY_SLEEP} },
170 {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
171 {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
172 {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
173 {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
174 {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
175 {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
176 {KE_KEY, 0x86, {KEY_WLAN} },
177 {KE_KEY, 0x87, {KEY_POWER} },
178 {KE_END, 0}
179 };
180
181 static struct input_dev *acer_wmi_input_dev;
182 static struct input_dev *acer_wmi_accel_dev;
183
184 struct event_return_value {
185 u8 function;
186 u8 key_num;
187 u16 device_state;
188 u16 reserved1;
189 u8 kbd_dock_state;
190 u8 reserved2;
191 } __packed;
192
193 /*
194 * GUID3 Get Device Status device flags
195 */
196 #define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
197 #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
198 #define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
199 #define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
200 #define ACER_WMID3_GDS_RFBTN (1<<14) /* RF Button */
201
202 #define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
203
204 /* Hotkey Customized Setting and Acer Application Status.
205 * Set Device Default Value and Report Acer Application Status.
206 * When Acer Application starts, it will run this method to inform
207 * BIOS/EC that Acer Application is on.
208 * App Status
209 * Bit[0]: Launch Manager Status
210 * Bit[1]: ePM Status
211 * Bit[2]: Device Control Status
212 * Bit[3]: Acer Power Button Utility Status
213 * Bit[4]: RF Button Status
214 * Bit[5]: ODD PM Status
215 * Bit[6]: Device Default Value Control
216 * Bit[7]: Hall Sensor Application Status
217 */
218 struct func_input_params {
219 u8 function_num; /* Function Number */
220 u16 commun_devices; /* Communication type devices default status */
221 u16 devices; /* Other type devices default status */
222 u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
223 u8 app_mask; /* Bit mask to app_status */
224 u8 reserved;
225 } __packed;
226
227 struct func_return_value {
228 u8 error_code; /* Error Code */
229 u8 ec_return_value; /* EC Return Value */
230 u16 reserved;
231 } __packed;
232
233 struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
234 u8 function_num; /* Function Number */
235 u8 hotkey_number; /* Hotkey Number */
236 u16 devices; /* Set Device */
237 u8 volume_value; /* Volume Value */
238 } __packed;
239
240 struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
241 u8 function_num; /* Function Number */
242 u8 hotkey_number; /* Hotkey Number */
243 u16 devices; /* Get Device */
244 } __packed;
245
246 struct wmid3_gds_return_value { /* Get Device Status return value*/
247 u8 error_code; /* Error Code */
248 u8 ec_return_value; /* EC Return Value */
249 u16 devices; /* Current Device Status */
250 u32 reserved;
251 } __packed;
252
253 struct hotkey_function_type_aa {
254 u8 type;
255 u8 length;
256 u16 handle;
257 u16 commun_func_bitmap;
258 u16 application_func_bitmap;
259 u16 media_func_bitmap;
260 u16 display_func_bitmap;
261 u16 others_func_bitmap;
262 u8 commun_fn_key_number;
263 } __packed;
264
265 /*
266 * Interface capability flags
267 */
268 #define ACER_CAP_MAILLED BIT(0)
269 #define ACER_CAP_WIRELESS BIT(1)
270 #define ACER_CAP_BLUETOOTH BIT(2)
271 #define ACER_CAP_BRIGHTNESS BIT(3)
272 #define ACER_CAP_THREEG BIT(4)
273 #define ACER_CAP_SET_FUNCTION_MODE BIT(5)
274 #define ACER_CAP_KBD_DOCK BIT(6)
275 #define ACER_CAP_TURBO_OC BIT(7)
276 #define ACER_CAP_TURBO_LED BIT(8)
277 #define ACER_CAP_TURBO_FAN BIT(9)
278 #define ACER_CAP_PLATFORM_PROFILE BIT(10)
279 #define ACER_CAP_HWMON BIT(11)
280
281 /*
282 * Interface type flags
283 */
284 enum interface_flags {
285 ACER_AMW0,
286 ACER_AMW0_V2,
287 ACER_WMID,
288 ACER_WMID_v2,
289 };
290
291 static int max_brightness = 0xF;
292
293 static int mailled = -1;
294 static int brightness = -1;
295 static int threeg = -1;
296 static int force_series;
297 static int force_caps = -1;
298 static bool ec_raw_mode;
299 static bool has_type_aa;
300 static u16 commun_func_bitmap;
301 static u8 commun_fn_key_number;
302 static bool cycle_gaming_thermal_profile = true;
303 static bool predator_v4;
304 static u64 supported_sensors;
305
306 module_param(mailled, int, 0444);
307 module_param(brightness, int, 0444);
308 module_param(threeg, int, 0444);
309 module_param(force_series, int, 0444);
310 module_param(force_caps, int, 0444);
311 module_param(ec_raw_mode, bool, 0444);
312 module_param(cycle_gaming_thermal_profile, bool, 0644);
313 module_param(predator_v4, bool, 0444);
314 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
315 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
316 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
317 MODULE_PARM_DESC(force_series, "Force a different laptop series");
318 MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
319 MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
320 MODULE_PARM_DESC(cycle_gaming_thermal_profile,
321 "Set thermal mode key in cycle mode. Disabling it sets the mode key in turbo toggle mode");
322 MODULE_PARM_DESC(predator_v4,
323 "Enable features for predator laptops that use predator sense v4");
324
325 struct acer_data {
326 int mailled;
327 int threeg;
328 int brightness;
329 };
330
331 struct acer_debug {
332 struct dentry *root;
333 u32 wmid_devices;
334 };
335
336 static struct rfkill *wireless_rfkill;
337 static struct rfkill *bluetooth_rfkill;
338 static struct rfkill *threeg_rfkill;
339 static bool rfkill_inited;
340
341 /* Each low-level interface must define at least some of the following */
342 struct wmi_interface {
343 /* The WMI device type */
344 u32 type;
345
346 /* The capabilities this interface provides */
347 u32 capability;
348
349 /* Private data for the current interface */
350 struct acer_data data;
351
352 /* debugfs entries associated with this interface */
353 struct acer_debug debug;
354 };
355
356 /* The static interface pointer, points to the currently detected interface */
357 static struct wmi_interface *interface;
358
359 /*
360 * Embedded Controller quirks
361 * Some laptops require us to directly access the EC to either enable or query
362 * features that are not available through WMI.
363 */
364
365 struct quirk_entry {
366 u8 wireless;
367 u8 mailled;
368 s8 brightness;
369 u8 bluetooth;
370 u8 turbo;
371 u8 cpu_fans;
372 u8 gpu_fans;
373 u8 predator_v4;
374 };
375
376 static struct quirk_entry *quirks;
377
set_quirks(void)378 static void __init set_quirks(void)
379 {
380 if (quirks->mailled)
381 interface->capability |= ACER_CAP_MAILLED;
382
383 if (quirks->brightness)
384 interface->capability |= ACER_CAP_BRIGHTNESS;
385
386 if (quirks->turbo)
387 interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED
388 | ACER_CAP_TURBO_FAN;
389
390 if (quirks->predator_v4)
391 interface->capability |= ACER_CAP_PLATFORM_PROFILE |
392 ACER_CAP_HWMON;
393 }
394
dmi_matched(const struct dmi_system_id * dmi)395 static int __init dmi_matched(const struct dmi_system_id *dmi)
396 {
397 quirks = dmi->driver_data;
398 return 1;
399 }
400
set_force_caps(const struct dmi_system_id * dmi)401 static int __init set_force_caps(const struct dmi_system_id *dmi)
402 {
403 if (force_caps == -1) {
404 force_caps = (uintptr_t)dmi->driver_data;
405 pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
406 }
407 return 1;
408 }
409
410 static struct quirk_entry quirk_unknown = {
411 };
412
413 static struct quirk_entry quirk_acer_aspire_1520 = {
414 .brightness = -1,
415 };
416
417 static struct quirk_entry quirk_acer_travelmate_2490 = {
418 .mailled = 1,
419 };
420
421 static struct quirk_entry quirk_acer_predator_ph315_53 = {
422 .turbo = 1,
423 .cpu_fans = 1,
424 .gpu_fans = 1,
425 };
426
427 static struct quirk_entry quirk_acer_predator_ph16_72 = {
428 .turbo = 1,
429 .cpu_fans = 1,
430 .gpu_fans = 1,
431 .predator_v4 = 1,
432 };
433
434 static struct quirk_entry quirk_acer_predator_pt14_51 = {
435 .turbo = 1,
436 .cpu_fans = 1,
437 .gpu_fans = 1,
438 .predator_v4 = 1,
439 };
440
441 static struct quirk_entry quirk_acer_predator_v4 = {
442 .predator_v4 = 1,
443 };
444
445 /* This AMW0 laptop has no bluetooth */
446 static struct quirk_entry quirk_medion_md_98300 = {
447 .wireless = 1,
448 };
449
450 static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
451 .wireless = 2,
452 };
453
454 static struct quirk_entry quirk_lenovo_ideapad_s205 = {
455 .wireless = 3,
456 };
457
458 /* The Aspire One has a dummy ACPI-WMI interface - disable it */
459 static const struct dmi_system_id acer_blacklist[] __initconst = {
460 {
461 .ident = "Acer Aspire One (SSD)",
462 .matches = {
463 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
464 DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
465 },
466 },
467 {
468 .ident = "Acer Aspire One (HDD)",
469 .matches = {
470 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
471 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
472 },
473 },
474 {}
475 };
476
477 static const struct dmi_system_id amw0_whitelist[] __initconst = {
478 {
479 .ident = "Acer",
480 .matches = {
481 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
482 },
483 },
484 {
485 .ident = "Gateway",
486 .matches = {
487 DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
488 },
489 },
490 {
491 .ident = "Packard Bell",
492 .matches = {
493 DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
494 },
495 },
496 {}
497 };
498
499 /*
500 * This quirk table is only for Acer/Gateway/Packard Bell family
501 * that those machines are supported by acer-wmi driver.
502 */
503 static const struct dmi_system_id acer_quirks[] __initconst = {
504 {
505 .callback = dmi_matched,
506 .ident = "Acer Aspire 1360",
507 .matches = {
508 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
509 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
510 },
511 .driver_data = &quirk_acer_aspire_1520,
512 },
513 {
514 .callback = dmi_matched,
515 .ident = "Acer Aspire 1520",
516 .matches = {
517 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
518 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
519 },
520 .driver_data = &quirk_acer_aspire_1520,
521 },
522 {
523 .callback = dmi_matched,
524 .ident = "Acer Aspire 3100",
525 .matches = {
526 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
527 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
528 },
529 .driver_data = &quirk_acer_travelmate_2490,
530 },
531 {
532 .callback = dmi_matched,
533 .ident = "Acer Aspire 3610",
534 .matches = {
535 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
536 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
537 },
538 .driver_data = &quirk_acer_travelmate_2490,
539 },
540 {
541 .callback = dmi_matched,
542 .ident = "Acer Aspire 5100",
543 .matches = {
544 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
545 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
546 },
547 .driver_data = &quirk_acer_travelmate_2490,
548 },
549 {
550 .callback = dmi_matched,
551 .ident = "Acer Aspire 5610",
552 .matches = {
553 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
554 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
555 },
556 .driver_data = &quirk_acer_travelmate_2490,
557 },
558 {
559 .callback = dmi_matched,
560 .ident = "Acer Aspire 5630",
561 .matches = {
562 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
563 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
564 },
565 .driver_data = &quirk_acer_travelmate_2490,
566 },
567 {
568 .callback = dmi_matched,
569 .ident = "Acer Aspire 5650",
570 .matches = {
571 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
572 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
573 },
574 .driver_data = &quirk_acer_travelmate_2490,
575 },
576 {
577 .callback = dmi_matched,
578 .ident = "Acer Aspire 5680",
579 .matches = {
580 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
581 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
582 },
583 .driver_data = &quirk_acer_travelmate_2490,
584 },
585 {
586 .callback = dmi_matched,
587 .ident = "Acer Aspire 9110",
588 .matches = {
589 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
590 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
591 },
592 .driver_data = &quirk_acer_travelmate_2490,
593 },
594 {
595 .callback = dmi_matched,
596 .ident = "Acer TravelMate 2490",
597 .matches = {
598 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
599 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
600 },
601 .driver_data = &quirk_acer_travelmate_2490,
602 },
603 {
604 .callback = dmi_matched,
605 .ident = "Acer TravelMate 4200",
606 .matches = {
607 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
608 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
609 },
610 .driver_data = &quirk_acer_travelmate_2490,
611 },
612 {
613 .callback = dmi_matched,
614 .ident = "Acer Nitro AN515-58",
615 .matches = {
616 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
617 DMI_MATCH(DMI_PRODUCT_NAME, "Nitro AN515-58"),
618 },
619 .driver_data = &quirk_acer_predator_v4,
620 },
621 {
622 .callback = dmi_matched,
623 .ident = "Acer Predator PH315-53",
624 .matches = {
625 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
626 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"),
627 },
628 .driver_data = &quirk_acer_predator_ph315_53,
629 },
630 {
631 .callback = dmi_matched,
632 .ident = "Acer Predator PHN16-71",
633 .matches = {
634 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
635 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PHN16-71"),
636 },
637 .driver_data = &quirk_acer_predator_v4,
638 },
639 {
640 .callback = dmi_matched,
641 .ident = "Acer Predator PH16-71",
642 .matches = {
643 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
644 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-71"),
645 },
646 .driver_data = &quirk_acer_predator_v4,
647 },
648 {
649 .callback = dmi_matched,
650 .ident = "Acer Predator PH16-72",
651 .matches = {
652 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
653 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-72"),
654 },
655 .driver_data = &quirk_acer_predator_ph16_72,
656 },
657 {
658 .callback = dmi_matched,
659 .ident = "Acer Predator PH18-71",
660 .matches = {
661 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
662 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH18-71"),
663 },
664 .driver_data = &quirk_acer_predator_v4,
665 },
666 {
667 .callback = dmi_matched,
668 .ident = "Acer Predator PT14-51",
669 .matches = {
670 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
671 DMI_MATCH(DMI_PRODUCT_NAME, "Predator PT14-51"),
672 },
673 .driver_data = &quirk_acer_predator_pt14_51,
674 },
675 {
676 .callback = set_force_caps,
677 .ident = "Acer Aspire Switch 10E SW3-016",
678 .matches = {
679 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
680 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
681 },
682 .driver_data = (void *)ACER_CAP_KBD_DOCK,
683 },
684 {
685 .callback = set_force_caps,
686 .ident = "Acer Aspire Switch 10 SW5-012",
687 .matches = {
688 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
689 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
690 },
691 .driver_data = (void *)ACER_CAP_KBD_DOCK,
692 },
693 {
694 .callback = set_force_caps,
695 .ident = "Acer Aspire Switch V 10 SW5-017",
696 .matches = {
697 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
698 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
699 },
700 .driver_data = (void *)ACER_CAP_KBD_DOCK,
701 },
702 {
703 .callback = set_force_caps,
704 .ident = "Acer One 10 (S1003)",
705 .matches = {
706 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
707 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
708 },
709 .driver_data = (void *)ACER_CAP_KBD_DOCK,
710 },
711 {}
712 };
713
714 /*
715 * This quirk list is for those non-acer machines that have AMW0_GUID1
716 * but supported by acer-wmi in past days. Keeping this quirk list here
717 * is only for backward compatible. Please do not add new machine to
718 * here anymore. Those non-acer machines should be supported by
719 * appropriate wmi drivers.
720 */
721 static const struct dmi_system_id non_acer_quirks[] __initconst = {
722 {
723 .callback = dmi_matched,
724 .ident = "Fujitsu Siemens Amilo Li 1718",
725 .matches = {
726 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
727 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
728 },
729 .driver_data = &quirk_fujitsu_amilo_li_1718,
730 },
731 {
732 .callback = dmi_matched,
733 .ident = "Medion MD 98300",
734 .matches = {
735 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
736 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
737 },
738 .driver_data = &quirk_medion_md_98300,
739 },
740 {
741 .callback = dmi_matched,
742 .ident = "Lenovo Ideapad S205",
743 .matches = {
744 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
745 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
746 },
747 .driver_data = &quirk_lenovo_ideapad_s205,
748 },
749 {
750 .callback = dmi_matched,
751 .ident = "Lenovo Ideapad S205 (Brazos)",
752 .matches = {
753 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
754 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
755 },
756 .driver_data = &quirk_lenovo_ideapad_s205,
757 },
758 {
759 .callback = dmi_matched,
760 .ident = "Lenovo 3000 N200",
761 .matches = {
762 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
763 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
764 },
765 .driver_data = &quirk_fujitsu_amilo_li_1718,
766 },
767 {
768 .callback = dmi_matched,
769 .ident = "Lenovo Ideapad S205-10382JG",
770 .matches = {
771 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
772 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
773 },
774 .driver_data = &quirk_lenovo_ideapad_s205,
775 },
776 {
777 .callback = dmi_matched,
778 .ident = "Lenovo Ideapad S205-1038DPG",
779 .matches = {
780 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
781 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
782 },
783 .driver_data = &quirk_lenovo_ideapad_s205,
784 },
785 {}
786 };
787
788 static struct device *platform_profile_device;
789 static bool platform_profile_support;
790
791 /*
792 * The profile used before turbo mode. This variable is needed for
793 * returning from turbo mode when the mode key is in toggle mode.
794 */
795 static int last_non_turbo_profile = INT_MIN;
796
797 /* The most performant supported profile */
798 static int acer_predator_v4_max_perf;
799
800 enum acer_predator_v4_thermal_profile {
801 ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x00,
802 ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x01,
803 ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x04,
804 ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x05,
805 ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x06,
806 };
807
808 /* Find which quirks are needed for a particular vendor/ model pair */
find_quirks(void)809 static void __init find_quirks(void)
810 {
811 if (predator_v4) {
812 quirks = &quirk_acer_predator_v4;
813 } else if (!force_series) {
814 dmi_check_system(acer_quirks);
815 dmi_check_system(non_acer_quirks);
816 } else if (force_series == 2490) {
817 quirks = &quirk_acer_travelmate_2490;
818 }
819
820 if (quirks == NULL)
821 quirks = &quirk_unknown;
822 }
823
824 /*
825 * General interface convenience methods
826 */
827
has_cap(u32 cap)828 static bool has_cap(u32 cap)
829 {
830 return interface->capability & cap;
831 }
832
833 /*
834 * AMW0 (V1) interface
835 */
836 struct wmab_args {
837 u32 eax;
838 u32 ebx;
839 u32 ecx;
840 u32 edx;
841 };
842
843 struct wmab_ret {
844 u32 eax;
845 u32 ebx;
846 u32 ecx;
847 u32 edx;
848 u32 eex;
849 };
850
wmab_execute(struct wmab_args * regbuf,struct acpi_buffer * result)851 static acpi_status wmab_execute(struct wmab_args *regbuf,
852 struct acpi_buffer *result)
853 {
854 struct acpi_buffer input;
855 acpi_status status;
856 input.length = sizeof(struct wmab_args);
857 input.pointer = (u8 *)regbuf;
858
859 status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
860
861 return status;
862 }
863
AMW0_get_u32(u32 * value,u32 cap)864 static acpi_status AMW0_get_u32(u32 *value, u32 cap)
865 {
866 int err;
867 u8 result;
868
869 switch (cap) {
870 case ACER_CAP_MAILLED:
871 switch (quirks->mailled) {
872 default:
873 err = ec_read(0xA, &result);
874 if (err)
875 return AE_ERROR;
876 *value = (result >> 7) & 0x1;
877 return AE_OK;
878 }
879 break;
880 case ACER_CAP_WIRELESS:
881 switch (quirks->wireless) {
882 case 1:
883 err = ec_read(0x7B, &result);
884 if (err)
885 return AE_ERROR;
886 *value = result & 0x1;
887 return AE_OK;
888 case 2:
889 err = ec_read(0x71, &result);
890 if (err)
891 return AE_ERROR;
892 *value = result & 0x1;
893 return AE_OK;
894 case 3:
895 err = ec_read(0x78, &result);
896 if (err)
897 return AE_ERROR;
898 *value = result & 0x1;
899 return AE_OK;
900 default:
901 err = ec_read(0xA, &result);
902 if (err)
903 return AE_ERROR;
904 *value = (result >> 2) & 0x1;
905 return AE_OK;
906 }
907 break;
908 case ACER_CAP_BLUETOOTH:
909 switch (quirks->bluetooth) {
910 default:
911 err = ec_read(0xA, &result);
912 if (err)
913 return AE_ERROR;
914 *value = (result >> 4) & 0x1;
915 return AE_OK;
916 }
917 break;
918 case ACER_CAP_BRIGHTNESS:
919 switch (quirks->brightness) {
920 default:
921 err = ec_read(0x83, &result);
922 if (err)
923 return AE_ERROR;
924 *value = result;
925 return AE_OK;
926 }
927 break;
928 default:
929 return AE_ERROR;
930 }
931 return AE_OK;
932 }
933
AMW0_set_u32(u32 value,u32 cap)934 static acpi_status AMW0_set_u32(u32 value, u32 cap)
935 {
936 struct wmab_args args;
937
938 args.eax = ACER_AMW0_WRITE;
939 args.ebx = value ? (1<<8) : 0;
940 args.ecx = args.edx = 0;
941
942 switch (cap) {
943 case ACER_CAP_MAILLED:
944 if (value > 1)
945 return AE_BAD_PARAMETER;
946 args.ebx |= ACER_AMW0_MAILLED_MASK;
947 break;
948 case ACER_CAP_WIRELESS:
949 if (value > 1)
950 return AE_BAD_PARAMETER;
951 args.ebx |= ACER_AMW0_WIRELESS_MASK;
952 break;
953 case ACER_CAP_BLUETOOTH:
954 if (value > 1)
955 return AE_BAD_PARAMETER;
956 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
957 break;
958 case ACER_CAP_BRIGHTNESS:
959 if (value > max_brightness)
960 return AE_BAD_PARAMETER;
961 switch (quirks->brightness) {
962 default:
963 return ec_write(0x83, value);
964 }
965 default:
966 return AE_ERROR;
967 }
968
969 /* Actually do the set */
970 return wmab_execute(&args, NULL);
971 }
972
AMW0_find_mailled(void)973 static acpi_status __init AMW0_find_mailled(void)
974 {
975 struct wmab_args args;
976 struct wmab_ret ret;
977 acpi_status status = AE_OK;
978 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
979 union acpi_object *obj;
980
981 args.eax = 0x86;
982 args.ebx = args.ecx = args.edx = 0;
983
984 status = wmab_execute(&args, &out);
985 if (ACPI_FAILURE(status))
986 return status;
987
988 obj = (union acpi_object *) out.pointer;
989 if (obj && obj->type == ACPI_TYPE_BUFFER &&
990 obj->buffer.length == sizeof(struct wmab_ret)) {
991 ret = *((struct wmab_ret *) obj->buffer.pointer);
992 } else {
993 kfree(out.pointer);
994 return AE_ERROR;
995 }
996
997 if (ret.eex & 0x1)
998 interface->capability |= ACER_CAP_MAILLED;
999
1000 kfree(out.pointer);
1001
1002 return AE_OK;
1003 }
1004
1005 static const struct acpi_device_id norfkill_ids[] __initconst = {
1006 { "VPC2004", 0},
1007 { "IBM0068", 0},
1008 { "LEN0068", 0},
1009 { "SNY5001", 0}, /* sony-laptop in charge */
1010 { "HPQ6601", 0},
1011 { "", 0},
1012 };
1013
AMW0_set_cap_acpi_check_device(void)1014 static int __init AMW0_set_cap_acpi_check_device(void)
1015 {
1016 const struct acpi_device_id *id;
1017
1018 for (id = norfkill_ids; id->id[0]; id++)
1019 if (acpi_dev_found(id->id))
1020 return true;
1021
1022 return false;
1023 }
1024
AMW0_set_capabilities(void)1025 static acpi_status __init AMW0_set_capabilities(void)
1026 {
1027 struct wmab_args args;
1028 struct wmab_ret ret;
1029 acpi_status status;
1030 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
1031 union acpi_object *obj;
1032
1033 /*
1034 * On laptops with this strange GUID (non Acer), normal probing doesn't
1035 * work.
1036 */
1037 if (wmi_has_guid(AMW0_GUID2)) {
1038 if ((quirks != &quirk_unknown) ||
1039 !AMW0_set_cap_acpi_check_device())
1040 interface->capability |= ACER_CAP_WIRELESS;
1041 return AE_OK;
1042 }
1043
1044 args.eax = ACER_AMW0_WRITE;
1045 args.ecx = args.edx = 0;
1046
1047 args.ebx = 0xa2 << 8;
1048 args.ebx |= ACER_AMW0_WIRELESS_MASK;
1049
1050 status = wmab_execute(&args, &out);
1051 if (ACPI_FAILURE(status))
1052 return status;
1053
1054 obj = out.pointer;
1055 if (obj && obj->type == ACPI_TYPE_BUFFER &&
1056 obj->buffer.length == sizeof(struct wmab_ret)) {
1057 ret = *((struct wmab_ret *) obj->buffer.pointer);
1058 } else {
1059 status = AE_ERROR;
1060 goto out;
1061 }
1062
1063 if (ret.eax & 0x1)
1064 interface->capability |= ACER_CAP_WIRELESS;
1065
1066 args.ebx = 2 << 8;
1067 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
1068
1069 /*
1070 * It's ok to use existing buffer for next wmab_execute call.
1071 * But we need to kfree(out.pointer) if next wmab_execute fail.
1072 */
1073 status = wmab_execute(&args, &out);
1074 if (ACPI_FAILURE(status))
1075 goto out;
1076
1077 obj = (union acpi_object *) out.pointer;
1078 if (obj && obj->type == ACPI_TYPE_BUFFER
1079 && obj->buffer.length == sizeof(struct wmab_ret)) {
1080 ret = *((struct wmab_ret *) obj->buffer.pointer);
1081 } else {
1082 status = AE_ERROR;
1083 goto out;
1084 }
1085
1086 if (ret.eax & 0x1)
1087 interface->capability |= ACER_CAP_BLUETOOTH;
1088
1089 /*
1090 * This appears to be safe to enable, since all Wistron based laptops
1091 * appear to use the same EC register for brightness, even if they
1092 * differ for wireless, etc
1093 */
1094 if (quirks->brightness >= 0)
1095 interface->capability |= ACER_CAP_BRIGHTNESS;
1096
1097 status = AE_OK;
1098 out:
1099 kfree(out.pointer);
1100 return status;
1101 }
1102
1103 static struct wmi_interface AMW0_interface = {
1104 .type = ACER_AMW0,
1105 };
1106
1107 static struct wmi_interface AMW0_V2_interface = {
1108 .type = ACER_AMW0_V2,
1109 };
1110
1111 /*
1112 * New interface (The WMID interface)
1113 */
1114 static acpi_status
WMI_execute_u32(u32 method_id,u32 in,u32 * out)1115 WMI_execute_u32(u32 method_id, u32 in, u32 *out)
1116 {
1117 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
1118 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1119 union acpi_object *obj;
1120 u32 tmp = 0;
1121 acpi_status status;
1122
1123 status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
1124
1125 if (ACPI_FAILURE(status))
1126 return status;
1127
1128 obj = (union acpi_object *) result.pointer;
1129 if (obj) {
1130 if (obj->type == ACPI_TYPE_BUFFER &&
1131 (obj->buffer.length == sizeof(u32) ||
1132 obj->buffer.length == sizeof(u64))) {
1133 tmp = *((u32 *) obj->buffer.pointer);
1134 } else if (obj->type == ACPI_TYPE_INTEGER) {
1135 tmp = (u32) obj->integer.value;
1136 }
1137 }
1138
1139 if (out)
1140 *out = tmp;
1141
1142 kfree(result.pointer);
1143
1144 return status;
1145 }
1146
WMID_get_u32(u32 * value,u32 cap)1147 static acpi_status WMID_get_u32(u32 *value, u32 cap)
1148 {
1149 acpi_status status;
1150 u8 tmp;
1151 u32 result, method_id = 0;
1152
1153 switch (cap) {
1154 case ACER_CAP_WIRELESS:
1155 method_id = ACER_WMID_GET_WIRELESS_METHODID;
1156 break;
1157 case ACER_CAP_BLUETOOTH:
1158 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
1159 break;
1160 case ACER_CAP_BRIGHTNESS:
1161 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
1162 break;
1163 case ACER_CAP_THREEG:
1164 method_id = ACER_WMID_GET_THREEG_METHODID;
1165 break;
1166 case ACER_CAP_MAILLED:
1167 if (quirks->mailled == 1) {
1168 ec_read(0x9f, &tmp);
1169 *value = tmp & 0x1;
1170 return 0;
1171 }
1172 fallthrough;
1173 default:
1174 return AE_ERROR;
1175 }
1176 status = WMI_execute_u32(method_id, 0, &result);
1177
1178 if (ACPI_SUCCESS(status))
1179 *value = (u8)result;
1180
1181 return status;
1182 }
1183
WMID_set_u32(u32 value,u32 cap)1184 static acpi_status WMID_set_u32(u32 value, u32 cap)
1185 {
1186 u32 method_id = 0;
1187 char param;
1188
1189 switch (cap) {
1190 case ACER_CAP_BRIGHTNESS:
1191 if (value > max_brightness)
1192 return AE_BAD_PARAMETER;
1193 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1194 break;
1195 case ACER_CAP_WIRELESS:
1196 if (value > 1)
1197 return AE_BAD_PARAMETER;
1198 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1199 break;
1200 case ACER_CAP_BLUETOOTH:
1201 if (value > 1)
1202 return AE_BAD_PARAMETER;
1203 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1204 break;
1205 case ACER_CAP_THREEG:
1206 if (value > 1)
1207 return AE_BAD_PARAMETER;
1208 method_id = ACER_WMID_SET_THREEG_METHODID;
1209 break;
1210 case ACER_CAP_MAILLED:
1211 if (value > 1)
1212 return AE_BAD_PARAMETER;
1213 if (quirks->mailled == 1) {
1214 param = value ? 0x92 : 0x93;
1215 i8042_lock_chip();
1216 i8042_command(¶m, 0x1059);
1217 i8042_unlock_chip();
1218 return 0;
1219 }
1220 break;
1221 default:
1222 return AE_ERROR;
1223 }
1224 return WMI_execute_u32(method_id, (u32)value, NULL);
1225 }
1226
wmid3_get_device_status(u32 * value,u16 device)1227 static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1228 {
1229 struct wmid3_gds_return_value return_value;
1230 acpi_status status;
1231 union acpi_object *obj;
1232 struct wmid3_gds_get_input_param params = {
1233 .function_num = 0x1,
1234 .hotkey_number = commun_fn_key_number,
1235 .devices = device,
1236 };
1237 struct acpi_buffer input = {
1238 sizeof(struct wmid3_gds_get_input_param),
1239 ¶ms
1240 };
1241 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1242
1243 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1244 if (ACPI_FAILURE(status))
1245 return status;
1246
1247 obj = output.pointer;
1248
1249 if (!obj)
1250 return AE_ERROR;
1251 else if (obj->type != ACPI_TYPE_BUFFER) {
1252 kfree(obj);
1253 return AE_ERROR;
1254 }
1255 if (obj->buffer.length != 8) {
1256 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1257 kfree(obj);
1258 return AE_ERROR;
1259 }
1260
1261 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1262 kfree(obj);
1263
1264 if (return_value.error_code || return_value.ec_return_value)
1265 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1266 device,
1267 return_value.error_code,
1268 return_value.ec_return_value);
1269 else
1270 *value = !!(return_value.devices & device);
1271
1272 return status;
1273 }
1274
wmid_v2_get_u32(u32 * value,u32 cap)1275 static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1276 {
1277 u16 device;
1278
1279 switch (cap) {
1280 case ACER_CAP_WIRELESS:
1281 device = ACER_WMID3_GDS_WIRELESS;
1282 break;
1283 case ACER_CAP_BLUETOOTH:
1284 device = ACER_WMID3_GDS_BLUETOOTH;
1285 break;
1286 case ACER_CAP_THREEG:
1287 device = ACER_WMID3_GDS_THREEG;
1288 break;
1289 default:
1290 return AE_ERROR;
1291 }
1292 return wmid3_get_device_status(value, device);
1293 }
1294
wmid3_set_device_status(u32 value,u16 device)1295 static acpi_status wmid3_set_device_status(u32 value, u16 device)
1296 {
1297 struct wmid3_gds_return_value return_value;
1298 acpi_status status;
1299 union acpi_object *obj;
1300 u16 devices;
1301 struct wmid3_gds_get_input_param get_params = {
1302 .function_num = 0x1,
1303 .hotkey_number = commun_fn_key_number,
1304 .devices = commun_func_bitmap,
1305 };
1306 struct acpi_buffer get_input = {
1307 sizeof(struct wmid3_gds_get_input_param),
1308 &get_params
1309 };
1310 struct wmid3_gds_set_input_param set_params = {
1311 .function_num = 0x2,
1312 .hotkey_number = commun_fn_key_number,
1313 .devices = commun_func_bitmap,
1314 };
1315 struct acpi_buffer set_input = {
1316 sizeof(struct wmid3_gds_set_input_param),
1317 &set_params
1318 };
1319 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1320 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1321
1322 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
1323 if (ACPI_FAILURE(status))
1324 return status;
1325
1326 obj = output.pointer;
1327
1328 if (!obj)
1329 return AE_ERROR;
1330 else if (obj->type != ACPI_TYPE_BUFFER) {
1331 kfree(obj);
1332 return AE_ERROR;
1333 }
1334 if (obj->buffer.length != 8) {
1335 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1336 kfree(obj);
1337 return AE_ERROR;
1338 }
1339
1340 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1341 kfree(obj);
1342
1343 if (return_value.error_code || return_value.ec_return_value) {
1344 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1345 return_value.error_code,
1346 return_value.ec_return_value);
1347 return status;
1348 }
1349
1350 devices = return_value.devices;
1351 set_params.devices = (value) ? (devices | device) : (devices & ~device);
1352
1353 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
1354 if (ACPI_FAILURE(status))
1355 return status;
1356
1357 obj = output2.pointer;
1358
1359 if (!obj)
1360 return AE_ERROR;
1361 else if (obj->type != ACPI_TYPE_BUFFER) {
1362 kfree(obj);
1363 return AE_ERROR;
1364 }
1365 if (obj->buffer.length != 4) {
1366 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1367 kfree(obj);
1368 return AE_ERROR;
1369 }
1370
1371 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1372 kfree(obj);
1373
1374 if (return_value.error_code || return_value.ec_return_value)
1375 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1376 return_value.error_code,
1377 return_value.ec_return_value);
1378
1379 return status;
1380 }
1381
wmid_v2_set_u32(u32 value,u32 cap)1382 static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1383 {
1384 u16 device;
1385
1386 switch (cap) {
1387 case ACER_CAP_WIRELESS:
1388 device = ACER_WMID3_GDS_WIRELESS;
1389 break;
1390 case ACER_CAP_BLUETOOTH:
1391 device = ACER_WMID3_GDS_BLUETOOTH;
1392 break;
1393 case ACER_CAP_THREEG:
1394 device = ACER_WMID3_GDS_THREEG;
1395 break;
1396 default:
1397 return AE_ERROR;
1398 }
1399 return wmid3_set_device_status(value, device);
1400 }
1401
type_aa_dmi_decode(const struct dmi_header * header,void * d)1402 static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
1403 {
1404 struct hotkey_function_type_aa *type_aa;
1405
1406 /* We are looking for OEM-specific Type AAh */
1407 if (header->type != 0xAA)
1408 return;
1409
1410 has_type_aa = true;
1411 type_aa = (struct hotkey_function_type_aa *) header;
1412
1413 pr_info("Function bitmap for Communication Button: 0x%x\n",
1414 type_aa->commun_func_bitmap);
1415 commun_func_bitmap = type_aa->commun_func_bitmap;
1416
1417 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1418 interface->capability |= ACER_CAP_WIRELESS;
1419 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1420 interface->capability |= ACER_CAP_THREEG;
1421 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1422 interface->capability |= ACER_CAP_BLUETOOTH;
1423 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
1424 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
1425
1426 commun_fn_key_number = type_aa->commun_fn_key_number;
1427 }
1428
WMID_set_capabilities(void)1429 static acpi_status __init WMID_set_capabilities(void)
1430 {
1431 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1432 union acpi_object *obj;
1433 acpi_status status;
1434 u32 devices;
1435
1436 status = wmi_query_block(WMID_GUID2, 0, &out);
1437 if (ACPI_FAILURE(status))
1438 return status;
1439
1440 obj = (union acpi_object *) out.pointer;
1441 if (obj) {
1442 if (obj->type == ACPI_TYPE_BUFFER &&
1443 (obj->buffer.length == sizeof(u32) ||
1444 obj->buffer.length == sizeof(u64))) {
1445 devices = *((u32 *) obj->buffer.pointer);
1446 } else if (obj->type == ACPI_TYPE_INTEGER) {
1447 devices = (u32) obj->integer.value;
1448 } else {
1449 kfree(out.pointer);
1450 return AE_ERROR;
1451 }
1452 } else {
1453 kfree(out.pointer);
1454 return AE_ERROR;
1455 }
1456
1457 pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1458 if (devices & 0x07)
1459 interface->capability |= ACER_CAP_WIRELESS;
1460 if (devices & 0x40)
1461 interface->capability |= ACER_CAP_THREEG;
1462 if (devices & 0x10)
1463 interface->capability |= ACER_CAP_BLUETOOTH;
1464
1465 if (!(devices & 0x20))
1466 max_brightness = 0x9;
1467
1468 kfree(out.pointer);
1469 return status;
1470 }
1471
1472 static struct wmi_interface wmid_interface = {
1473 .type = ACER_WMID,
1474 };
1475
1476 static struct wmi_interface wmid_v2_interface = {
1477 .type = ACER_WMID_v2,
1478 };
1479
1480 /*
1481 * WMID Gaming interface
1482 */
1483
1484 static acpi_status
WMI_gaming_execute_u64(u32 method_id,u64 in,u64 * out)1485 WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out)
1486 {
1487 struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) };
1488 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1489 union acpi_object *obj;
1490 u64 tmp = 0;
1491 acpi_status status;
1492
1493 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1494
1495 if (ACPI_FAILURE(status))
1496 return status;
1497 obj = (union acpi_object *) result.pointer;
1498
1499 if (obj) {
1500 if (obj->type == ACPI_TYPE_BUFFER) {
1501 if (obj->buffer.length == sizeof(u32))
1502 tmp = *((u32 *) obj->buffer.pointer);
1503 else if (obj->buffer.length == sizeof(u64))
1504 tmp = *((u64 *) obj->buffer.pointer);
1505 } else if (obj->type == ACPI_TYPE_INTEGER) {
1506 tmp = (u64) obj->integer.value;
1507 }
1508 }
1509
1510 if (out)
1511 *out = tmp;
1512
1513 kfree(result.pointer);
1514
1515 return status;
1516 }
1517
WMI_gaming_execute_u32_u64(u32 method_id,u32 in,u64 * out)1518 static int WMI_gaming_execute_u32_u64(u32 method_id, u32 in, u64 *out)
1519 {
1520 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1521 struct acpi_buffer input = {
1522 .length = sizeof(in),
1523 .pointer = &in,
1524 };
1525 union acpi_object *obj;
1526 acpi_status status;
1527 int ret = 0;
1528
1529 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1530 if (ACPI_FAILURE(status))
1531 return -EIO;
1532
1533 obj = result.pointer;
1534 if (obj && out) {
1535 switch (obj->type) {
1536 case ACPI_TYPE_INTEGER:
1537 *out = obj->integer.value;
1538 break;
1539 case ACPI_TYPE_BUFFER:
1540 if (obj->buffer.length < sizeof(*out))
1541 ret = -ENOMSG;
1542 else
1543 *out = get_unaligned_le64(obj->buffer.pointer);
1544
1545 break;
1546 default:
1547 ret = -ENOMSG;
1548 break;
1549 }
1550 }
1551
1552 kfree(obj);
1553
1554 return ret;
1555 }
1556
WMID_gaming_set_u64(u64 value,u32 cap)1557 static acpi_status WMID_gaming_set_u64(u64 value, u32 cap)
1558 {
1559 u32 method_id = 0;
1560
1561 if (!(interface->capability & cap))
1562 return AE_BAD_PARAMETER;
1563
1564 switch (cap) {
1565 case ACER_CAP_TURBO_LED:
1566 method_id = ACER_WMID_SET_GAMING_LED_METHODID;
1567 break;
1568 case ACER_CAP_TURBO_FAN:
1569 method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR;
1570 break;
1571 default:
1572 return AE_BAD_PARAMETER;
1573 }
1574
1575 return WMI_gaming_execute_u64(method_id, value, NULL);
1576 }
1577
WMID_gaming_get_u64(u64 * value,u32 cap)1578 static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap)
1579 {
1580 acpi_status status;
1581 u64 result;
1582 u64 input;
1583 u32 method_id;
1584
1585 if (!(interface->capability & cap))
1586 return AE_BAD_PARAMETER;
1587
1588 switch (cap) {
1589 case ACER_CAP_TURBO_LED:
1590 method_id = ACER_WMID_GET_GAMING_LED_METHODID;
1591 input = 0x1;
1592 break;
1593 default:
1594 return AE_BAD_PARAMETER;
1595 }
1596 status = WMI_gaming_execute_u64(method_id, input, &result);
1597 if (ACPI_SUCCESS(status))
1598 *value = (u64) result;
1599
1600 return status;
1601 }
1602
WMID_gaming_get_sys_info(u32 command,u64 * out)1603 static int WMID_gaming_get_sys_info(u32 command, u64 *out)
1604 {
1605 acpi_status status;
1606 u64 result;
1607
1608 status = WMI_gaming_execute_u64(ACER_WMID_GET_GAMING_SYS_INFO_METHODID, command, &result);
1609 if (ACPI_FAILURE(status))
1610 return -EIO;
1611
1612 /* The return status must be zero for the operation to have succeeded */
1613 if (FIELD_GET(ACER_PREDATOR_V4_RETURN_STATUS_BIT_MASK, result))
1614 return -EIO;
1615
1616 *out = result;
1617
1618 return 0;
1619 }
1620
WMID_gaming_set_fan_mode(u8 fan_mode)1621 static void WMID_gaming_set_fan_mode(u8 fan_mode)
1622 {
1623 /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/
1624 u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0;
1625 int i;
1626
1627 if (quirks->cpu_fans > 0)
1628 gpu_fan_config2 |= 1;
1629 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1630 gpu_fan_config2 |= 1 << (i + 1);
1631 for (i = 0; i < quirks->gpu_fans; ++i)
1632 gpu_fan_config2 |= 1 << (i + 3);
1633 if (quirks->cpu_fans > 0)
1634 gpu_fan_config1 |= fan_mode;
1635 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1636 gpu_fan_config1 |= fan_mode << (2 * i + 2);
1637 for (i = 0; i < quirks->gpu_fans; ++i)
1638 gpu_fan_config1 |= fan_mode << (2 * i + 6);
1639 WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN);
1640 }
1641
WMID_gaming_set_misc_setting(enum acer_wmi_gaming_misc_setting setting,u8 value)1642 static int WMID_gaming_set_misc_setting(enum acer_wmi_gaming_misc_setting setting, u8 value)
1643 {
1644 acpi_status status;
1645 u64 input = 0;
1646 u64 result;
1647
1648 input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_INDEX_MASK, setting);
1649 input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_VALUE_MASK, value);
1650
1651 status = WMI_gaming_execute_u64(ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, input, &result);
1652 if (ACPI_FAILURE(status))
1653 return -EIO;
1654
1655 /* The return status must be zero for the operation to have succeeded */
1656 if (FIELD_GET(ACER_GAMING_MISC_SETTING_STATUS_MASK, result))
1657 return -EIO;
1658
1659 return 0;
1660 }
1661
WMID_gaming_get_misc_setting(enum acer_wmi_gaming_misc_setting setting,u8 * value)1662 static int WMID_gaming_get_misc_setting(enum acer_wmi_gaming_misc_setting setting, u8 *value)
1663 {
1664 u64 input = 0;
1665 u64 result;
1666 int ret;
1667
1668 input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_INDEX_MASK, setting);
1669
1670 ret = WMI_gaming_execute_u32_u64(ACER_WMID_GET_GAMING_MISC_SETTING_METHODID, input,
1671 &result);
1672 if (ret < 0)
1673 return ret;
1674
1675 /* The return status must be zero for the operation to have succeeded */
1676 if (FIELD_GET(ACER_GAMING_MISC_SETTING_STATUS_MASK, result))
1677 return -EIO;
1678
1679 *value = FIELD_GET(ACER_GAMING_MISC_SETTING_VALUE_MASK, result);
1680
1681 return 0;
1682 }
1683
1684 /*
1685 * Generic Device (interface-independent)
1686 */
1687
get_u32(u32 * value,u32 cap)1688 static acpi_status get_u32(u32 *value, u32 cap)
1689 {
1690 acpi_status status = AE_ERROR;
1691
1692 switch (interface->type) {
1693 case ACER_AMW0:
1694 status = AMW0_get_u32(value, cap);
1695 break;
1696 case ACER_AMW0_V2:
1697 if (cap == ACER_CAP_MAILLED) {
1698 status = AMW0_get_u32(value, cap);
1699 break;
1700 }
1701 fallthrough;
1702 case ACER_WMID:
1703 status = WMID_get_u32(value, cap);
1704 break;
1705 case ACER_WMID_v2:
1706 if (cap & (ACER_CAP_WIRELESS |
1707 ACER_CAP_BLUETOOTH |
1708 ACER_CAP_THREEG))
1709 status = wmid_v2_get_u32(value, cap);
1710 else if (wmi_has_guid(WMID_GUID2))
1711 status = WMID_get_u32(value, cap);
1712 break;
1713 }
1714
1715 return status;
1716 }
1717
set_u32(u32 value,u32 cap)1718 static acpi_status set_u32(u32 value, u32 cap)
1719 {
1720 acpi_status status;
1721
1722 if (interface->capability & cap) {
1723 switch (interface->type) {
1724 case ACER_AMW0:
1725 return AMW0_set_u32(value, cap);
1726 case ACER_AMW0_V2:
1727 if (cap == ACER_CAP_MAILLED)
1728 return AMW0_set_u32(value, cap);
1729
1730 /*
1731 * On some models, some WMID methods don't toggle
1732 * properly. For those cases, we want to run the AMW0
1733 * method afterwards to be certain we've really toggled
1734 * the device state.
1735 */
1736 if (cap == ACER_CAP_WIRELESS ||
1737 cap == ACER_CAP_BLUETOOTH) {
1738 status = WMID_set_u32(value, cap);
1739 if (ACPI_FAILURE(status))
1740 return status;
1741
1742 return AMW0_set_u32(value, cap);
1743 }
1744 fallthrough;
1745 case ACER_WMID:
1746 return WMID_set_u32(value, cap);
1747 case ACER_WMID_v2:
1748 if (cap & (ACER_CAP_WIRELESS |
1749 ACER_CAP_BLUETOOTH |
1750 ACER_CAP_THREEG))
1751 return wmid_v2_set_u32(value, cap);
1752 else if (wmi_has_guid(WMID_GUID2))
1753 return WMID_set_u32(value, cap);
1754 fallthrough;
1755 default:
1756 return AE_BAD_PARAMETER;
1757 }
1758 }
1759 return AE_BAD_PARAMETER;
1760 }
1761
acer_commandline_init(void)1762 static void __init acer_commandline_init(void)
1763 {
1764 /*
1765 * These will all fail silently if the value given is invalid, or the
1766 * capability isn't available on the given interface
1767 */
1768 if (mailled >= 0)
1769 set_u32(mailled, ACER_CAP_MAILLED);
1770 if (!has_type_aa && threeg >= 0)
1771 set_u32(threeg, ACER_CAP_THREEG);
1772 if (brightness >= 0)
1773 set_u32(brightness, ACER_CAP_BRIGHTNESS);
1774 }
1775
1776 /*
1777 * LED device (Mail LED only, no other LEDs known yet)
1778 */
mail_led_set(struct led_classdev * led_cdev,enum led_brightness value)1779 static void mail_led_set(struct led_classdev *led_cdev,
1780 enum led_brightness value)
1781 {
1782 set_u32(value, ACER_CAP_MAILLED);
1783 }
1784
1785 static struct led_classdev mail_led = {
1786 .name = "acer-wmi::mail",
1787 .brightness_set = mail_led_set,
1788 };
1789
acer_led_init(struct device * dev)1790 static int acer_led_init(struct device *dev)
1791 {
1792 return led_classdev_register(dev, &mail_led);
1793 }
1794
acer_led_exit(void)1795 static void acer_led_exit(void)
1796 {
1797 set_u32(LED_OFF, ACER_CAP_MAILLED);
1798 led_classdev_unregister(&mail_led);
1799 }
1800
1801 /*
1802 * Backlight device
1803 */
1804 static struct backlight_device *acer_backlight_device;
1805
read_brightness(struct backlight_device * bd)1806 static int read_brightness(struct backlight_device *bd)
1807 {
1808 u32 value;
1809 get_u32(&value, ACER_CAP_BRIGHTNESS);
1810 return value;
1811 }
1812
update_bl_status(struct backlight_device * bd)1813 static int update_bl_status(struct backlight_device *bd)
1814 {
1815 int intensity = backlight_get_brightness(bd);
1816
1817 set_u32(intensity, ACER_CAP_BRIGHTNESS);
1818
1819 return 0;
1820 }
1821
1822 static const struct backlight_ops acer_bl_ops = {
1823 .get_brightness = read_brightness,
1824 .update_status = update_bl_status,
1825 };
1826
acer_backlight_init(struct device * dev)1827 static int acer_backlight_init(struct device *dev)
1828 {
1829 struct backlight_properties props;
1830 struct backlight_device *bd;
1831
1832 memset(&props, 0, sizeof(struct backlight_properties));
1833 props.type = BACKLIGHT_PLATFORM;
1834 props.max_brightness = max_brightness;
1835 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1836 &props);
1837 if (IS_ERR(bd)) {
1838 pr_err("Could not register Acer backlight device\n");
1839 acer_backlight_device = NULL;
1840 return PTR_ERR(bd);
1841 }
1842
1843 acer_backlight_device = bd;
1844
1845 bd->props.power = BACKLIGHT_POWER_ON;
1846 bd->props.brightness = read_brightness(bd);
1847 backlight_update_status(bd);
1848 return 0;
1849 }
1850
acer_backlight_exit(void)1851 static void acer_backlight_exit(void)
1852 {
1853 backlight_device_unregister(acer_backlight_device);
1854 }
1855
1856 /*
1857 * Accelerometer device
1858 */
1859 static acpi_handle gsensor_handle;
1860
acer_gsensor_init(void)1861 static int acer_gsensor_init(void)
1862 {
1863 acpi_status status;
1864 struct acpi_buffer output;
1865 union acpi_object out_obj;
1866
1867 output.length = sizeof(out_obj);
1868 output.pointer = &out_obj;
1869 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1870 if (ACPI_FAILURE(status))
1871 return -1;
1872
1873 return 0;
1874 }
1875
acer_gsensor_open(struct input_dev * input)1876 static int acer_gsensor_open(struct input_dev *input)
1877 {
1878 return acer_gsensor_init();
1879 }
1880
acer_gsensor_event(void)1881 static int acer_gsensor_event(void)
1882 {
1883 acpi_status status;
1884 struct acpi_buffer output;
1885 union acpi_object out_obj[5];
1886
1887 if (!acer_wmi_accel_dev)
1888 return -1;
1889
1890 output.length = sizeof(out_obj);
1891 output.pointer = out_obj;
1892
1893 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1894 if (ACPI_FAILURE(status))
1895 return -1;
1896
1897 if (out_obj->package.count != 4)
1898 return -1;
1899
1900 input_report_abs(acer_wmi_accel_dev, ABS_X,
1901 (s16)out_obj->package.elements[0].integer.value);
1902 input_report_abs(acer_wmi_accel_dev, ABS_Y,
1903 (s16)out_obj->package.elements[1].integer.value);
1904 input_report_abs(acer_wmi_accel_dev, ABS_Z,
1905 (s16)out_obj->package.elements[2].integer.value);
1906 input_sync(acer_wmi_accel_dev);
1907 return 0;
1908 }
1909
1910 /*
1911 * Predator series turbo button
1912 */
acer_toggle_turbo(void)1913 static int acer_toggle_turbo(void)
1914 {
1915 u64 turbo_led_state;
1916
1917 /* Get current state from turbo button */
1918 if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED)))
1919 return -1;
1920
1921 if (turbo_led_state) {
1922 /* Turn off turbo led */
1923 WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
1924
1925 /* Set FAN mode to auto */
1926 WMID_gaming_set_fan_mode(0x1);
1927
1928 /* Set OC to normal */
1929 if (has_cap(ACER_CAP_TURBO_OC)) {
1930 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_1,
1931 ACER_WMID_OC_NORMAL);
1932 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_2,
1933 ACER_WMID_OC_NORMAL);
1934 }
1935 } else {
1936 /* Turn on turbo led */
1937 WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED);
1938
1939 /* Set FAN mode to turbo */
1940 WMID_gaming_set_fan_mode(0x2);
1941
1942 /* Set OC to turbo mode */
1943 if (has_cap(ACER_CAP_TURBO_OC)) {
1944 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_1,
1945 ACER_WMID_OC_TURBO);
1946 WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_OC_2,
1947 ACER_WMID_OC_TURBO);
1948 }
1949 }
1950 return turbo_led_state;
1951 }
1952
1953 static int
acer_predator_v4_platform_profile_get(struct device * dev,enum platform_profile_option * profile)1954 acer_predator_v4_platform_profile_get(struct device *dev,
1955 enum platform_profile_option *profile)
1956 {
1957 u8 tp;
1958 int err;
1959
1960 err = WMID_gaming_get_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, &tp);
1961 if (err)
1962 return err;
1963
1964 switch (tp) {
1965 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1966 *profile = PLATFORM_PROFILE_PERFORMANCE;
1967 break;
1968 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1969 *profile = PLATFORM_PROFILE_BALANCED_PERFORMANCE;
1970 break;
1971 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1972 *profile = PLATFORM_PROFILE_BALANCED;
1973 break;
1974 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1975 *profile = PLATFORM_PROFILE_QUIET;
1976 break;
1977 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1978 *profile = PLATFORM_PROFILE_LOW_POWER;
1979 break;
1980 default:
1981 return -EOPNOTSUPP;
1982 }
1983
1984 return 0;
1985 }
1986
1987 static int
acer_predator_v4_platform_profile_set(struct device * dev,enum platform_profile_option profile)1988 acer_predator_v4_platform_profile_set(struct device *dev,
1989 enum platform_profile_option profile)
1990 {
1991 int err, tp;
1992
1993 switch (profile) {
1994 case PLATFORM_PROFILE_PERFORMANCE:
1995 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO;
1996 break;
1997 case PLATFORM_PROFILE_BALANCED_PERFORMANCE:
1998 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE;
1999 break;
2000 case PLATFORM_PROFILE_BALANCED:
2001 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED;
2002 break;
2003 case PLATFORM_PROFILE_QUIET:
2004 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET;
2005 break;
2006 case PLATFORM_PROFILE_LOW_POWER:
2007 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO;
2008 break;
2009 default:
2010 return -EOPNOTSUPP;
2011 }
2012
2013 err = WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, tp);
2014 if (err)
2015 return err;
2016
2017 if (tp != acer_predator_v4_max_perf)
2018 last_non_turbo_profile = tp;
2019
2020 return 0;
2021 }
2022
2023 static int
acer_predator_v4_platform_profile_probe(void * drvdata,unsigned long * choices)2024 acer_predator_v4_platform_profile_probe(void *drvdata, unsigned long *choices)
2025 {
2026 unsigned long supported_profiles;
2027 int err;
2028
2029 err = WMID_gaming_get_misc_setting(ACER_WMID_MISC_SETTING_SUPPORTED_PROFILES,
2030 (u8 *)&supported_profiles);
2031 if (err)
2032 return err;
2033
2034 /* Iterate through supported profiles in order of increasing performance */
2035 if (test_bit(ACER_PREDATOR_V4_THERMAL_PROFILE_ECO, &supported_profiles)) {
2036 set_bit(PLATFORM_PROFILE_LOW_POWER, choices);
2037 acer_predator_v4_max_perf = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO;
2038 last_non_turbo_profile = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO;
2039 }
2040
2041 if (test_bit(ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET, &supported_profiles)) {
2042 set_bit(PLATFORM_PROFILE_QUIET, choices);
2043 acer_predator_v4_max_perf = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET;
2044 last_non_turbo_profile = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET;
2045 }
2046
2047 if (test_bit(ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED, &supported_profiles)) {
2048 set_bit(PLATFORM_PROFILE_BALANCED, choices);
2049 acer_predator_v4_max_perf = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED;
2050 last_non_turbo_profile = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED;
2051 }
2052
2053 if (test_bit(ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE, &supported_profiles)) {
2054 set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE, choices);
2055 acer_predator_v4_max_perf = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE;
2056
2057 /* We only use this profile as a fallback option in case no prior
2058 * profile is supported.
2059 */
2060 if (last_non_turbo_profile < 0)
2061 last_non_turbo_profile = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE;
2062 }
2063
2064 if (test_bit(ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO, &supported_profiles)) {
2065 set_bit(PLATFORM_PROFILE_PERFORMANCE, choices);
2066 acer_predator_v4_max_perf = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO;
2067
2068 /* We need to handle the hypothetical case where only the turbo profile
2069 * is supported. In this case the turbo toggle will essentially be a
2070 * no-op.
2071 */
2072 if (last_non_turbo_profile < 0)
2073 last_non_turbo_profile = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO;
2074 }
2075
2076 return 0;
2077 }
2078
2079 static const struct platform_profile_ops acer_predator_v4_platform_profile_ops = {
2080 .probe = acer_predator_v4_platform_profile_probe,
2081 .profile_get = acer_predator_v4_platform_profile_get,
2082 .profile_set = acer_predator_v4_platform_profile_set,
2083 };
2084
acer_platform_profile_setup(struct platform_device * device)2085 static int acer_platform_profile_setup(struct platform_device *device)
2086 {
2087 if (quirks->predator_v4) {
2088 platform_profile_device = devm_platform_profile_register(
2089 &device->dev, "acer-wmi", NULL, &acer_predator_v4_platform_profile_ops);
2090 if (IS_ERR(platform_profile_device))
2091 return PTR_ERR(platform_profile_device);
2092
2093 platform_profile_support = true;
2094 }
2095 return 0;
2096 }
2097
acer_thermal_profile_change(void)2098 static int acer_thermal_profile_change(void)
2099 {
2100 /*
2101 * This mode key will either cycle through each mode or toggle the
2102 * most performant profile.
2103 */
2104 if (quirks->predator_v4) {
2105 u8 current_tp;
2106 int err, tp;
2107
2108 if (cycle_gaming_thermal_profile) {
2109 platform_profile_cycle();
2110 } else {
2111 /* Do nothing if no suitable platform profiles where found */
2112 if (last_non_turbo_profile < 0)
2113 return 0;
2114
2115 err = WMID_gaming_get_misc_setting(
2116 ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, ¤t_tp);
2117 if (err)
2118 return err;
2119
2120 if (current_tp == acer_predator_v4_max_perf)
2121 tp = last_non_turbo_profile;
2122 else
2123 tp = acer_predator_v4_max_perf;
2124
2125 err = WMID_gaming_set_misc_setting(
2126 ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, tp);
2127 if (err)
2128 return err;
2129
2130 /* Store last profile for toggle */
2131 if (current_tp != acer_predator_v4_max_perf)
2132 last_non_turbo_profile = current_tp;
2133
2134 platform_profile_notify(platform_profile_device);
2135 }
2136 }
2137
2138 return 0;
2139 }
2140
2141 /*
2142 * Switch series keyboard dock status
2143 */
acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)2144 static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
2145 {
2146 switch (kbd_dock_state) {
2147 case 0x01: /* Docked, traditional clamshell laptop mode */
2148 return 0;
2149 case 0x04: /* Stand-alone tablet */
2150 case 0x40: /* Docked, tent mode, keyboard not usable */
2151 return 1;
2152 default:
2153 pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
2154 }
2155
2156 return 0;
2157 }
2158
acer_kbd_dock_get_initial_state(void)2159 static void acer_kbd_dock_get_initial_state(void)
2160 {
2161 u8 *output, input[8] = { 0x05, 0x00, };
2162 struct acpi_buffer input_buf = { sizeof(input), input };
2163 struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
2164 union acpi_object *obj;
2165 acpi_status status;
2166 int sw_tablet_mode;
2167
2168 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
2169 if (ACPI_FAILURE(status)) {
2170 pr_err("Error getting keyboard-dock initial status: %s\n",
2171 acpi_format_exception(status));
2172 return;
2173 }
2174
2175 obj = output_buf.pointer;
2176 if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
2177 pr_err("Unexpected output format getting keyboard-dock initial status\n");
2178 goto out_free_obj;
2179 }
2180
2181 output = obj->buffer.pointer;
2182 if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
2183 pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
2184 output[0], output[3]);
2185 goto out_free_obj;
2186 }
2187
2188 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
2189 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2190
2191 out_free_obj:
2192 kfree(obj);
2193 }
2194
acer_kbd_dock_event(const struct event_return_value * event)2195 static void acer_kbd_dock_event(const struct event_return_value *event)
2196 {
2197 int sw_tablet_mode;
2198
2199 if (!has_cap(ACER_CAP_KBD_DOCK))
2200 return;
2201
2202 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
2203 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2204 input_sync(acer_wmi_input_dev);
2205 }
2206
2207 /*
2208 * Rfkill devices
2209 */
2210 static void acer_rfkill_update(struct work_struct *ignored);
2211 static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
acer_rfkill_update(struct work_struct * ignored)2212 static void acer_rfkill_update(struct work_struct *ignored)
2213 {
2214 u32 state;
2215 acpi_status status;
2216
2217 if (has_cap(ACER_CAP_WIRELESS)) {
2218 status = get_u32(&state, ACER_CAP_WIRELESS);
2219 if (ACPI_SUCCESS(status)) {
2220 if (quirks->wireless == 3)
2221 rfkill_set_hw_state(wireless_rfkill, !state);
2222 else
2223 rfkill_set_sw_state(wireless_rfkill, !state);
2224 }
2225 }
2226
2227 if (has_cap(ACER_CAP_BLUETOOTH)) {
2228 status = get_u32(&state, ACER_CAP_BLUETOOTH);
2229 if (ACPI_SUCCESS(status))
2230 rfkill_set_sw_state(bluetooth_rfkill, !state);
2231 }
2232
2233 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
2234 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
2235 if (ACPI_SUCCESS(status))
2236 rfkill_set_sw_state(threeg_rfkill, !state);
2237 }
2238
2239 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
2240 }
2241
acer_rfkill_set(void * data,bool blocked)2242 static int acer_rfkill_set(void *data, bool blocked)
2243 {
2244 acpi_status status;
2245 u32 cap = (unsigned long)data;
2246
2247 if (rfkill_inited) {
2248 status = set_u32(!blocked, cap);
2249 if (ACPI_FAILURE(status))
2250 return -ENODEV;
2251 }
2252
2253 return 0;
2254 }
2255
2256 static const struct rfkill_ops acer_rfkill_ops = {
2257 .set_block = acer_rfkill_set,
2258 };
2259
acer_rfkill_register(struct device * dev,enum rfkill_type type,char * name,u32 cap)2260 static struct rfkill *acer_rfkill_register(struct device *dev,
2261 enum rfkill_type type,
2262 char *name, u32 cap)
2263 {
2264 int err;
2265 struct rfkill *rfkill_dev;
2266 u32 state;
2267 acpi_status status;
2268
2269 rfkill_dev = rfkill_alloc(name, dev, type,
2270 &acer_rfkill_ops,
2271 (void *)(unsigned long)cap);
2272 if (!rfkill_dev)
2273 return ERR_PTR(-ENOMEM);
2274
2275 status = get_u32(&state, cap);
2276
2277 err = rfkill_register(rfkill_dev);
2278 if (err) {
2279 rfkill_destroy(rfkill_dev);
2280 return ERR_PTR(err);
2281 }
2282
2283 if (ACPI_SUCCESS(status))
2284 rfkill_set_sw_state(rfkill_dev, !state);
2285
2286 return rfkill_dev;
2287 }
2288
acer_rfkill_init(struct device * dev)2289 static int acer_rfkill_init(struct device *dev)
2290 {
2291 int err;
2292
2293 if (has_cap(ACER_CAP_WIRELESS)) {
2294 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
2295 "acer-wireless", ACER_CAP_WIRELESS);
2296 if (IS_ERR(wireless_rfkill)) {
2297 err = PTR_ERR(wireless_rfkill);
2298 goto error_wireless;
2299 }
2300 }
2301
2302 if (has_cap(ACER_CAP_BLUETOOTH)) {
2303 bluetooth_rfkill = acer_rfkill_register(dev,
2304 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
2305 ACER_CAP_BLUETOOTH);
2306 if (IS_ERR(bluetooth_rfkill)) {
2307 err = PTR_ERR(bluetooth_rfkill);
2308 goto error_bluetooth;
2309 }
2310 }
2311
2312 if (has_cap(ACER_CAP_THREEG)) {
2313 threeg_rfkill = acer_rfkill_register(dev,
2314 RFKILL_TYPE_WWAN, "acer-threeg",
2315 ACER_CAP_THREEG);
2316 if (IS_ERR(threeg_rfkill)) {
2317 err = PTR_ERR(threeg_rfkill);
2318 goto error_threeg;
2319 }
2320 }
2321
2322 rfkill_inited = true;
2323
2324 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2325 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2326 schedule_delayed_work(&acer_rfkill_work,
2327 round_jiffies_relative(HZ));
2328
2329 return 0;
2330
2331 error_threeg:
2332 if (has_cap(ACER_CAP_BLUETOOTH)) {
2333 rfkill_unregister(bluetooth_rfkill);
2334 rfkill_destroy(bluetooth_rfkill);
2335 }
2336 error_bluetooth:
2337 if (has_cap(ACER_CAP_WIRELESS)) {
2338 rfkill_unregister(wireless_rfkill);
2339 rfkill_destroy(wireless_rfkill);
2340 }
2341 error_wireless:
2342 return err;
2343 }
2344
acer_rfkill_exit(void)2345 static void acer_rfkill_exit(void)
2346 {
2347 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2348 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2349 cancel_delayed_work_sync(&acer_rfkill_work);
2350
2351 if (has_cap(ACER_CAP_WIRELESS)) {
2352 rfkill_unregister(wireless_rfkill);
2353 rfkill_destroy(wireless_rfkill);
2354 }
2355
2356 if (has_cap(ACER_CAP_BLUETOOTH)) {
2357 rfkill_unregister(bluetooth_rfkill);
2358 rfkill_destroy(bluetooth_rfkill);
2359 }
2360
2361 if (has_cap(ACER_CAP_THREEG)) {
2362 rfkill_unregister(threeg_rfkill);
2363 rfkill_destroy(threeg_rfkill);
2364 }
2365 }
2366
acer_wmi_notify(union acpi_object * obj,void * context)2367 static void acer_wmi_notify(union acpi_object *obj, void *context)
2368 {
2369 struct event_return_value return_value;
2370 u16 device_state;
2371 const struct key_entry *key;
2372 u32 scancode;
2373
2374 if (!obj)
2375 return;
2376 if (obj->type != ACPI_TYPE_BUFFER) {
2377 pr_warn("Unknown response received %d\n", obj->type);
2378 return;
2379 }
2380 if (obj->buffer.length != 8) {
2381 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2382 return;
2383 }
2384
2385 return_value = *((struct event_return_value *)obj->buffer.pointer);
2386
2387 switch (return_value.function) {
2388 case WMID_HOTKEY_EVENT:
2389 device_state = return_value.device_state;
2390 pr_debug("device state: 0x%x\n", device_state);
2391
2392 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
2393 return_value.key_num);
2394 if (!key) {
2395 pr_warn("Unknown key number - 0x%x\n",
2396 return_value.key_num);
2397 } else {
2398 scancode = return_value.key_num;
2399 switch (key->keycode) {
2400 case KEY_WLAN:
2401 case KEY_BLUETOOTH:
2402 if (has_cap(ACER_CAP_WIRELESS))
2403 rfkill_set_sw_state(wireless_rfkill,
2404 !(device_state & ACER_WMID3_GDS_WIRELESS));
2405 if (has_cap(ACER_CAP_THREEG))
2406 rfkill_set_sw_state(threeg_rfkill,
2407 !(device_state & ACER_WMID3_GDS_THREEG));
2408 if (has_cap(ACER_CAP_BLUETOOTH))
2409 rfkill_set_sw_state(bluetooth_rfkill,
2410 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
2411 break;
2412 case KEY_TOUCHPAD_TOGGLE:
2413 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
2414 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
2415 }
2416 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
2417 }
2418 break;
2419 case WMID_ACCEL_OR_KBD_DOCK_EVENT:
2420 acer_gsensor_event();
2421 acer_kbd_dock_event(&return_value);
2422 break;
2423 case WMID_GAMING_TURBO_KEY_EVENT:
2424 if (return_value.key_num == 0x4)
2425 acer_toggle_turbo();
2426 if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
2427 acer_thermal_profile_change();
2428 break;
2429 case WMID_AC_EVENT:
2430 /* We ignore AC events here */
2431 break;
2432 default:
2433 pr_warn("Unknown function number - %d - %d\n",
2434 return_value.function, return_value.key_num);
2435 break;
2436 }
2437 }
2438
2439 static acpi_status __init
wmid3_set_function_mode(struct func_input_params * params,struct func_return_value * return_value)2440 wmid3_set_function_mode(struct func_input_params *params,
2441 struct func_return_value *return_value)
2442 {
2443 acpi_status status;
2444 union acpi_object *obj;
2445
2446 struct acpi_buffer input = { sizeof(struct func_input_params), params };
2447 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2448
2449 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
2450 if (ACPI_FAILURE(status))
2451 return status;
2452
2453 obj = output.pointer;
2454
2455 if (!obj)
2456 return AE_ERROR;
2457 else if (obj->type != ACPI_TYPE_BUFFER) {
2458 kfree(obj);
2459 return AE_ERROR;
2460 }
2461 if (obj->buffer.length != 4) {
2462 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2463 kfree(obj);
2464 return AE_ERROR;
2465 }
2466
2467 *return_value = *((struct func_return_value *)obj->buffer.pointer);
2468 kfree(obj);
2469
2470 return status;
2471 }
2472
acer_wmi_enable_ec_raw(void)2473 static int __init acer_wmi_enable_ec_raw(void)
2474 {
2475 struct func_return_value return_value;
2476 acpi_status status;
2477 struct func_input_params params = {
2478 .function_num = 0x1,
2479 .commun_devices = 0xFFFF,
2480 .devices = 0xFFFF,
2481 .app_status = 0x00, /* Launch Manager Deactive */
2482 .app_mask = 0x01,
2483 };
2484
2485 status = wmid3_set_function_mode(¶ms, &return_value);
2486
2487 if (return_value.error_code || return_value.ec_return_value)
2488 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
2489 return_value.error_code,
2490 return_value.ec_return_value);
2491 else
2492 pr_info("Enabled EC raw mode\n");
2493
2494 return status;
2495 }
2496
acer_wmi_enable_lm(void)2497 static int __init acer_wmi_enable_lm(void)
2498 {
2499 struct func_return_value return_value;
2500 acpi_status status;
2501 struct func_input_params params = {
2502 .function_num = 0x1,
2503 .commun_devices = 0xFFFF,
2504 .devices = 0xFFFF,
2505 .app_status = 0x01, /* Launch Manager Active */
2506 .app_mask = 0x01,
2507 };
2508
2509 status = wmid3_set_function_mode(¶ms, &return_value);
2510
2511 if (return_value.error_code || return_value.ec_return_value)
2512 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
2513 return_value.error_code,
2514 return_value.ec_return_value);
2515
2516 return status;
2517 }
2518
acer_wmi_enable_rf_button(void)2519 static int __init acer_wmi_enable_rf_button(void)
2520 {
2521 struct func_return_value return_value;
2522 acpi_status status;
2523 struct func_input_params params = {
2524 .function_num = 0x1,
2525 .commun_devices = 0xFFFF,
2526 .devices = 0xFFFF,
2527 .app_status = 0x10, /* RF Button Active */
2528 .app_mask = 0x10,
2529 };
2530
2531 status = wmid3_set_function_mode(¶ms, &return_value);
2532
2533 if (return_value.error_code || return_value.ec_return_value)
2534 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
2535 return_value.error_code,
2536 return_value.ec_return_value);
2537
2538 return status;
2539 }
2540
acer_wmi_accel_setup(void)2541 static int __init acer_wmi_accel_setup(void)
2542 {
2543 struct acpi_device *adev;
2544 int err;
2545
2546 adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1);
2547 if (!adev)
2548 return -ENODEV;
2549
2550 gsensor_handle = acpi_device_handle(adev);
2551 acpi_dev_put(adev);
2552
2553 acer_wmi_accel_dev = input_allocate_device();
2554 if (!acer_wmi_accel_dev)
2555 return -ENOMEM;
2556
2557 acer_wmi_accel_dev->open = acer_gsensor_open;
2558
2559 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
2560 acer_wmi_accel_dev->phys = "wmi/input1";
2561 acer_wmi_accel_dev->id.bustype = BUS_HOST;
2562 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
2563 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
2564 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
2565 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
2566
2567 err = input_register_device(acer_wmi_accel_dev);
2568 if (err)
2569 goto err_free_dev;
2570
2571 return 0;
2572
2573 err_free_dev:
2574 input_free_device(acer_wmi_accel_dev);
2575 return err;
2576 }
2577
acer_wmi_input_setup(void)2578 static int __init acer_wmi_input_setup(void)
2579 {
2580 acpi_status status;
2581 int err;
2582
2583 acer_wmi_input_dev = input_allocate_device();
2584 if (!acer_wmi_input_dev)
2585 return -ENOMEM;
2586
2587 acer_wmi_input_dev->name = "Acer WMI hotkeys";
2588 acer_wmi_input_dev->phys = "wmi/input0";
2589 acer_wmi_input_dev->id.bustype = BUS_HOST;
2590
2591 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
2592 if (err)
2593 goto err_free_dev;
2594
2595 if (has_cap(ACER_CAP_KBD_DOCK))
2596 input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
2597
2598 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
2599 acer_wmi_notify, NULL);
2600 if (ACPI_FAILURE(status)) {
2601 err = -EIO;
2602 goto err_free_dev;
2603 }
2604
2605 if (has_cap(ACER_CAP_KBD_DOCK))
2606 acer_kbd_dock_get_initial_state();
2607
2608 err = input_register_device(acer_wmi_input_dev);
2609 if (err)
2610 goto err_uninstall_notifier;
2611
2612 return 0;
2613
2614 err_uninstall_notifier:
2615 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2616 err_free_dev:
2617 input_free_device(acer_wmi_input_dev);
2618 return err;
2619 }
2620
acer_wmi_input_destroy(void)2621 static void acer_wmi_input_destroy(void)
2622 {
2623 wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2624 input_unregister_device(acer_wmi_input_dev);
2625 }
2626
2627 /*
2628 * debugfs functions
2629 */
get_wmid_devices(void)2630 static u32 get_wmid_devices(void)
2631 {
2632 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2633 union acpi_object *obj;
2634 acpi_status status;
2635 u32 devices = 0;
2636
2637 status = wmi_query_block(WMID_GUID2, 0, &out);
2638 if (ACPI_FAILURE(status))
2639 return 0;
2640
2641 obj = (union acpi_object *) out.pointer;
2642 if (obj) {
2643 if (obj->type == ACPI_TYPE_BUFFER &&
2644 (obj->buffer.length == sizeof(u32) ||
2645 obj->buffer.length == sizeof(u64))) {
2646 devices = *((u32 *) obj->buffer.pointer);
2647 } else if (obj->type == ACPI_TYPE_INTEGER) {
2648 devices = (u32) obj->integer.value;
2649 }
2650 }
2651
2652 kfree(out.pointer);
2653 return devices;
2654 }
2655
2656 static int acer_wmi_hwmon_init(void);
2657
2658 /*
2659 * Platform device
2660 */
acer_platform_probe(struct platform_device * device)2661 static int acer_platform_probe(struct platform_device *device)
2662 {
2663 int err;
2664
2665 if (has_cap(ACER_CAP_MAILLED)) {
2666 err = acer_led_init(&device->dev);
2667 if (err)
2668 goto error_mailled;
2669 }
2670
2671 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2672 err = acer_backlight_init(&device->dev);
2673 if (err)
2674 goto error_brightness;
2675 }
2676
2677 err = acer_rfkill_init(&device->dev);
2678 if (err)
2679 goto error_rfkill;
2680
2681 if (has_cap(ACER_CAP_PLATFORM_PROFILE)) {
2682 err = acer_platform_profile_setup(device);
2683 if (err)
2684 goto error_platform_profile;
2685 }
2686
2687 if (has_cap(ACER_CAP_HWMON)) {
2688 err = acer_wmi_hwmon_init();
2689 if (err)
2690 goto error_hwmon;
2691 }
2692
2693 return 0;
2694
2695 error_hwmon:
2696 error_platform_profile:
2697 acer_rfkill_exit();
2698 error_rfkill:
2699 if (has_cap(ACER_CAP_BRIGHTNESS))
2700 acer_backlight_exit();
2701 error_brightness:
2702 if (has_cap(ACER_CAP_MAILLED))
2703 acer_led_exit();
2704 error_mailled:
2705 return err;
2706 }
2707
acer_platform_remove(struct platform_device * device)2708 static void acer_platform_remove(struct platform_device *device)
2709 {
2710 if (has_cap(ACER_CAP_MAILLED))
2711 acer_led_exit();
2712 if (has_cap(ACER_CAP_BRIGHTNESS))
2713 acer_backlight_exit();
2714
2715 acer_rfkill_exit();
2716 }
2717
2718 #ifdef CONFIG_PM_SLEEP
acer_suspend(struct device * dev)2719 static int acer_suspend(struct device *dev)
2720 {
2721 u32 value;
2722 struct acer_data *data = &interface->data;
2723
2724 if (!data)
2725 return -ENOMEM;
2726
2727 if (has_cap(ACER_CAP_MAILLED)) {
2728 get_u32(&value, ACER_CAP_MAILLED);
2729 set_u32(LED_OFF, ACER_CAP_MAILLED);
2730 data->mailled = value;
2731 }
2732
2733 if (has_cap(ACER_CAP_BRIGHTNESS)) {
2734 get_u32(&value, ACER_CAP_BRIGHTNESS);
2735 data->brightness = value;
2736 }
2737
2738 return 0;
2739 }
2740
acer_resume(struct device * dev)2741 static int acer_resume(struct device *dev)
2742 {
2743 struct acer_data *data = &interface->data;
2744
2745 if (!data)
2746 return -ENOMEM;
2747
2748 if (has_cap(ACER_CAP_MAILLED))
2749 set_u32(data->mailled, ACER_CAP_MAILLED);
2750
2751 if (has_cap(ACER_CAP_BRIGHTNESS))
2752 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2753
2754 if (acer_wmi_accel_dev)
2755 acer_gsensor_init();
2756
2757 return 0;
2758 }
2759 #else
2760 #define acer_suspend NULL
2761 #define acer_resume NULL
2762 #endif
2763
2764 static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2765
acer_platform_shutdown(struct platform_device * device)2766 static void acer_platform_shutdown(struct platform_device *device)
2767 {
2768 struct acer_data *data = &interface->data;
2769
2770 if (!data)
2771 return;
2772
2773 if (has_cap(ACER_CAP_MAILLED))
2774 set_u32(LED_OFF, ACER_CAP_MAILLED);
2775 }
2776
2777 static struct platform_driver acer_platform_driver = {
2778 .driver = {
2779 .name = "acer-wmi",
2780 .pm = &acer_pm,
2781 },
2782 .probe = acer_platform_probe,
2783 .remove = acer_platform_remove,
2784 .shutdown = acer_platform_shutdown,
2785 };
2786
2787 static struct platform_device *acer_platform_device;
2788
remove_debugfs(void)2789 static void remove_debugfs(void)
2790 {
2791 debugfs_remove_recursive(interface->debug.root);
2792 }
2793
create_debugfs(void)2794 static void __init create_debugfs(void)
2795 {
2796 interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2797
2798 debugfs_create_u32("devices", S_IRUGO, interface->debug.root,
2799 &interface->debug.wmid_devices);
2800 }
2801
2802 static const enum acer_wmi_predator_v4_sensor_id acer_wmi_temp_channel_to_sensor_id[] = {
2803 [0] = ACER_WMID_SENSOR_CPU_TEMPERATURE,
2804 [1] = ACER_WMID_SENSOR_GPU_TEMPERATURE,
2805 [2] = ACER_WMID_SENSOR_EXTERNAL_TEMPERATURE_2,
2806 };
2807
2808 static const enum acer_wmi_predator_v4_sensor_id acer_wmi_fan_channel_to_sensor_id[] = {
2809 [0] = ACER_WMID_SENSOR_CPU_FAN_SPEED,
2810 [1] = ACER_WMID_SENSOR_GPU_FAN_SPEED,
2811 };
2812
acer_wmi_hwmon_is_visible(const void * data,enum hwmon_sensor_types type,u32 attr,int channel)2813 static umode_t acer_wmi_hwmon_is_visible(const void *data,
2814 enum hwmon_sensor_types type, u32 attr,
2815 int channel)
2816 {
2817 enum acer_wmi_predator_v4_sensor_id sensor_id;
2818 const u64 *supported_sensors = data;
2819
2820 switch (type) {
2821 case hwmon_temp:
2822 sensor_id = acer_wmi_temp_channel_to_sensor_id[channel];
2823 break;
2824 case hwmon_fan:
2825 sensor_id = acer_wmi_fan_channel_to_sensor_id[channel];
2826 break;
2827 default:
2828 return 0;
2829 }
2830
2831 if (*supported_sensors & BIT(sensor_id - 1))
2832 return 0444;
2833
2834 return 0;
2835 }
2836
acer_wmi_hwmon_read(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long * val)2837 static int acer_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2838 u32 attr, int channel, long *val)
2839 {
2840 u64 command = ACER_WMID_CMD_GET_PREDATOR_V4_SENSOR_READING;
2841 u64 result;
2842 int ret;
2843
2844 switch (type) {
2845 case hwmon_temp:
2846 command |= FIELD_PREP(ACER_PREDATOR_V4_SENSOR_INDEX_BIT_MASK,
2847 acer_wmi_temp_channel_to_sensor_id[channel]);
2848
2849 ret = WMID_gaming_get_sys_info(command, &result);
2850 if (ret < 0)
2851 return ret;
2852
2853 result = FIELD_GET(ACER_PREDATOR_V4_SENSOR_READING_BIT_MASK, result);
2854 *val = result * MILLIDEGREE_PER_DEGREE;
2855 return 0;
2856 case hwmon_fan:
2857 command |= FIELD_PREP(ACER_PREDATOR_V4_SENSOR_INDEX_BIT_MASK,
2858 acer_wmi_fan_channel_to_sensor_id[channel]);
2859
2860 ret = WMID_gaming_get_sys_info(command, &result);
2861 if (ret < 0)
2862 return ret;
2863
2864 *val = FIELD_GET(ACER_PREDATOR_V4_SENSOR_READING_BIT_MASK, result);
2865 return 0;
2866 default:
2867 return -EOPNOTSUPP;
2868 }
2869 }
2870
2871 static const struct hwmon_channel_info *const acer_wmi_hwmon_info[] = {
2872 HWMON_CHANNEL_INFO(temp,
2873 HWMON_T_INPUT,
2874 HWMON_T_INPUT,
2875 HWMON_T_INPUT
2876 ),
2877 HWMON_CHANNEL_INFO(fan,
2878 HWMON_F_INPUT,
2879 HWMON_F_INPUT
2880 ),
2881 NULL
2882 };
2883
2884 static const struct hwmon_ops acer_wmi_hwmon_ops = {
2885 .read = acer_wmi_hwmon_read,
2886 .is_visible = acer_wmi_hwmon_is_visible,
2887 };
2888
2889 static const struct hwmon_chip_info acer_wmi_hwmon_chip_info = {
2890 .ops = &acer_wmi_hwmon_ops,
2891 .info = acer_wmi_hwmon_info,
2892 };
2893
acer_wmi_hwmon_init(void)2894 static int acer_wmi_hwmon_init(void)
2895 {
2896 struct device *dev = &acer_platform_device->dev;
2897 struct device *hwmon;
2898 u64 result;
2899 int ret;
2900
2901 ret = WMID_gaming_get_sys_info(ACER_WMID_CMD_GET_PREDATOR_V4_SUPPORTED_SENSORS, &result);
2902 if (ret < 0)
2903 return ret;
2904
2905 /* Return early if no sensors are available */
2906 supported_sensors = FIELD_GET(ACER_PREDATOR_V4_SUPPORTED_SENSORS_BIT_MASK, result);
2907 if (!supported_sensors)
2908 return 0;
2909
2910 hwmon = devm_hwmon_device_register_with_info(dev, "acer",
2911 &supported_sensors,
2912 &acer_wmi_hwmon_chip_info,
2913 NULL);
2914
2915 if (IS_ERR(hwmon)) {
2916 dev_err(dev, "Could not register acer hwmon device\n");
2917 return PTR_ERR(hwmon);
2918 }
2919
2920 return 0;
2921 }
2922
acer_wmi_init(void)2923 static int __init acer_wmi_init(void)
2924 {
2925 int err;
2926
2927 pr_info("Acer Laptop ACPI-WMI Extras\n");
2928
2929 if (dmi_check_system(acer_blacklist)) {
2930 pr_info("Blacklisted hardware detected - not loading\n");
2931 return -ENODEV;
2932 }
2933
2934 find_quirks();
2935
2936 /*
2937 * The AMW0_GUID1 wmi is not only found on Acer family but also other
2938 * machines like Lenovo, Fujitsu and Medion. In the past days,
2939 * acer-wmi driver handled those non-Acer machines by quirks list.
2940 * But actually acer-wmi driver was loaded on any machines that have
2941 * AMW0_GUID1. This behavior is strange because those machines should
2942 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2943 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2944 * should be in Acer/Gateway/Packard Bell white list, or it's already
2945 * in the past quirk list.
2946 */
2947 if (wmi_has_guid(AMW0_GUID1) &&
2948 !dmi_check_system(amw0_whitelist) &&
2949 quirks == &quirk_unknown) {
2950 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
2951 return -ENODEV;
2952 }
2953
2954 /*
2955 * Detect which ACPI-WMI interface we're using.
2956 */
2957 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2958 interface = &AMW0_V2_interface;
2959
2960 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2961 interface = &wmid_interface;
2962
2963 if (wmi_has_guid(WMID_GUID3))
2964 interface = &wmid_v2_interface;
2965
2966 if (interface)
2967 dmi_walk(type_aa_dmi_decode, NULL);
2968
2969 if (wmi_has_guid(WMID_GUID2) && interface) {
2970 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
2971 pr_err("Unable to detect available WMID devices\n");
2972 return -ENODEV;
2973 }
2974 /* WMID always provides brightness methods */
2975 interface->capability |= ACER_CAP_BRIGHTNESS;
2976 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
2977 pr_err("No WMID device detection method found\n");
2978 return -ENODEV;
2979 }
2980
2981 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2982 interface = &AMW0_interface;
2983
2984 if (ACPI_FAILURE(AMW0_set_capabilities())) {
2985 pr_err("Unable to detect available AMW0 devices\n");
2986 return -ENODEV;
2987 }
2988 }
2989
2990 if (wmi_has_guid(AMW0_GUID1))
2991 AMW0_find_mailled();
2992
2993 if (!interface) {
2994 pr_err("No or unsupported WMI interface, unable to load\n");
2995 return -ENODEV;
2996 }
2997
2998 set_quirks();
2999
3000 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
3001 interface->capability &= ~ACER_CAP_BRIGHTNESS;
3002
3003 if (wmi_has_guid(WMID_GUID3))
3004 interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
3005
3006 if (force_caps != -1)
3007 interface->capability = force_caps;
3008
3009 if (wmi_has_guid(WMID_GUID3) &&
3010 (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
3011 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
3012 pr_warn("Cannot enable RF Button Driver\n");
3013
3014 if (ec_raw_mode) {
3015 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
3016 pr_err("Cannot enable EC raw mode\n");
3017 return -ENODEV;
3018 }
3019 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
3020 pr_err("Cannot enable Launch Manager mode\n");
3021 return -ENODEV;
3022 }
3023 } else if (ec_raw_mode) {
3024 pr_info("No WMID EC raw mode enable method\n");
3025 }
3026
3027 if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
3028 err = acer_wmi_input_setup();
3029 if (err)
3030 return err;
3031 err = acer_wmi_accel_setup();
3032 if (err && err != -ENODEV)
3033 pr_warn("Cannot enable accelerometer\n");
3034 }
3035
3036 err = platform_driver_register(&acer_platform_driver);
3037 if (err) {
3038 pr_err("Unable to register platform driver\n");
3039 goto error_platform_register;
3040 }
3041
3042 acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE);
3043 if (!acer_platform_device) {
3044 err = -ENOMEM;
3045 goto error_device_alloc;
3046 }
3047
3048 err = platform_device_add(acer_platform_device);
3049 if (err)
3050 goto error_device_add;
3051
3052 if (wmi_has_guid(WMID_GUID2)) {
3053 interface->debug.wmid_devices = get_wmid_devices();
3054 create_debugfs();
3055 }
3056
3057 /* Override any initial settings with values from the commandline */
3058 acer_commandline_init();
3059
3060 return 0;
3061
3062 error_device_add:
3063 platform_device_put(acer_platform_device);
3064 error_device_alloc:
3065 platform_driver_unregister(&acer_platform_driver);
3066 error_platform_register:
3067 if (wmi_has_guid(ACERWMID_EVENT_GUID))
3068 acer_wmi_input_destroy();
3069 if (acer_wmi_accel_dev)
3070 input_unregister_device(acer_wmi_accel_dev);
3071
3072 return err;
3073 }
3074
acer_wmi_exit(void)3075 static void __exit acer_wmi_exit(void)
3076 {
3077 if (wmi_has_guid(ACERWMID_EVENT_GUID))
3078 acer_wmi_input_destroy();
3079
3080 if (acer_wmi_accel_dev)
3081 input_unregister_device(acer_wmi_accel_dev);
3082
3083 remove_debugfs();
3084 platform_device_unregister(acer_platform_device);
3085 platform_driver_unregister(&acer_platform_driver);
3086
3087 pr_info("Acer Laptop WMI Extras unloaded\n");
3088 }
3089
3090 module_init(acer_wmi_init);
3091 module_exit(acer_wmi_exit);
3092