1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * HP WMI hotkeys
4 *
5 * Copyright (C) 2008 Red Hat <mjg@redhat.com>
6 * Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi>
7 *
8 * Portions based on wistron_btns.c:
9 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
10 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
11 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
12 */
13
14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15
16 #include <linux/kernel.h>
17 #include <linux/module.h>
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/types.h>
21 #include <linux/input.h>
22 #include <linux/input/sparse-keymap.h>
23 #include <linux/platform_device.h>
24 #include <linux/platform_profile.h>
25 #include <linux/hwmon.h>
26 #include <linux/acpi.h>
27 #include <linux/mutex.h>
28 #include <linux/cleanup.h>
29 #include <linux/power_supply.h>
30 #include <linux/rfkill.h>
31 #include <linux/string.h>
32 #include <linux/dmi.h>
33
34 MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>");
35 MODULE_DESCRIPTION("HP laptop WMI driver");
36 MODULE_LICENSE("GPL");
37
38 MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C");
39 MODULE_ALIAS("wmi:5FB7F034-2C63-45E9-BE91-3D44E2C707E4");
40
41 #define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
42 #define HPWMI_BIOS_GUID "5FB7F034-2C63-45E9-BE91-3D44E2C707E4"
43
44 #define HP_OMEN_EC_THERMAL_PROFILE_FLAGS_OFFSET 0x62
45 #define HP_OMEN_EC_THERMAL_PROFILE_TIMER_OFFSET 0x63
46 #define HP_OMEN_EC_THERMAL_PROFILE_OFFSET 0x95
47
48 #define HP_FAN_SPEED_AUTOMATIC 0x00
49 #define HP_POWER_LIMIT_DEFAULT 0x00
50 #define HP_POWER_LIMIT_NO_CHANGE 0xFF
51
52 #define ACPI_AC_CLASS "ac_adapter"
53
54 #define zero_if_sup(tmp) (zero_insize_support?0:sizeof(tmp)) // use when zero insize is required
55
56 /* DMI board names of devices that should use the omen specific path for
57 * thermal profiles.
58 * This was obtained by taking a look in the windows omen command center
59 * app and parsing a json file that they use to figure out what capabilities
60 * the device should have.
61 * A device is considered an omen if the DisplayName in that list contains
62 * "OMEN", and it can use the thermal profile stuff if the "Feature" array
63 * contains "PerformanceControl".
64 */
65 static const char * const omen_thermal_profile_boards[] = {
66 "84DA", "84DB", "84DC", "8574", "8575", "860A", "87B5", "8572", "8573",
67 "8600", "8601", "8602", "8605", "8606", "8607", "8746", "8747", "8749",
68 "874A", "8603", "8604", "8748", "886B", "886C", "878A", "878B", "878C",
69 "88C8", "88CB", "8786", "8787", "8788", "88D1", "88D2", "88F4", "88FD",
70 "88F5", "88F6", "88F7", "88FE", "88FF", "8900", "8901", "8902", "8912",
71 "8917", "8918", "8949", "894A", "89EB", "8BAD", "8A42", "8A15"
72 };
73
74 /* DMI Board names of Omen laptops that are specifically set to be thermal
75 * profile version 0 by the Omen Command Center app, regardless of what
76 * the get system design information WMI call returns
77 */
78 static const char * const omen_thermal_profile_force_v0_boards[] = {
79 "8607", "8746", "8747", "8749", "874A", "8748"
80 };
81
82 /* DMI board names of Omen laptops that have a thermal profile timer which will
83 * cause the embedded controller to set the thermal profile back to
84 * "balanced" when reaching zero.
85 */
86 static const char * const omen_timed_thermal_profile_boards[] = {
87 "8BAD", "8A42", "8A15"
88 };
89
90 /* DMI Board names of Victus 16-d1xxx laptops */
91 static const char * const victus_thermal_profile_boards[] = {
92 "8A25"
93 };
94
95 /* DMI Board names of Victus 16-r and Victus 16-s laptops */
96 static const char * const victus_s_thermal_profile_boards[] = {
97 "8BBE", "8BD4", "8BD5",
98 "8C78", "8C99", "8C9C",
99 "8D41",
100 };
101
102 enum hp_wmi_radio {
103 HPWMI_WIFI = 0x0,
104 HPWMI_BLUETOOTH = 0x1,
105 HPWMI_WWAN = 0x2,
106 HPWMI_GPS = 0x3,
107 };
108
109 enum hp_wmi_event_ids {
110 HPWMI_DOCK_EVENT = 0x01,
111 HPWMI_PARK_HDD = 0x02,
112 HPWMI_SMART_ADAPTER = 0x03,
113 HPWMI_BEZEL_BUTTON = 0x04,
114 HPWMI_WIRELESS = 0x05,
115 HPWMI_CPU_BATTERY_THROTTLE = 0x06,
116 HPWMI_LOCK_SWITCH = 0x07,
117 HPWMI_LID_SWITCH = 0x08,
118 HPWMI_SCREEN_ROTATION = 0x09,
119 HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A,
120 HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B,
121 HPWMI_PROXIMITY_SENSOR = 0x0C,
122 HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D,
123 HPWMI_PEAKSHIFT_PERIOD = 0x0F,
124 HPWMI_BATTERY_CHARGE_PERIOD = 0x10,
125 HPWMI_SANITIZATION_MODE = 0x17,
126 HPWMI_CAMERA_TOGGLE = 0x1A,
127 HPWMI_FN_P_HOTKEY = 0x1B,
128 HPWMI_OMEN_KEY = 0x1D,
129 HPWMI_SMART_EXPERIENCE_APP = 0x21,
130 };
131
132 /*
133 * struct bios_args buffer is dynamically allocated. New WMI command types
134 * were introduced that exceeds 128-byte data size. Changes to handle
135 * the data size allocation scheme were kept in hp_wmi_perform_qurey function.
136 */
137 struct bios_args {
138 u32 signature;
139 u32 command;
140 u32 commandtype;
141 u32 datasize;
142 u8 data[];
143 };
144
145 enum hp_wmi_commandtype {
146 HPWMI_DISPLAY_QUERY = 0x01,
147 HPWMI_HDDTEMP_QUERY = 0x02,
148 HPWMI_ALS_QUERY = 0x03,
149 HPWMI_HARDWARE_QUERY = 0x04,
150 HPWMI_WIRELESS_QUERY = 0x05,
151 HPWMI_BATTERY_QUERY = 0x07,
152 HPWMI_BIOS_QUERY = 0x09,
153 HPWMI_FEATURE_QUERY = 0x0b,
154 HPWMI_HOTKEY_QUERY = 0x0c,
155 HPWMI_FEATURE2_QUERY = 0x0d,
156 HPWMI_WIRELESS2_QUERY = 0x1b,
157 HPWMI_POSTCODEERROR_QUERY = 0x2a,
158 HPWMI_SYSTEM_DEVICE_MODE = 0x40,
159 HPWMI_THERMAL_PROFILE_QUERY = 0x4c,
160 };
161
162 struct victus_power_limits {
163 u8 pl1;
164 u8 pl2;
165 u8 pl4;
166 u8 cpu_gpu_concurrent_limit;
167 };
168
169 struct victus_gpu_power_modes {
170 u8 ctgp_enable;
171 u8 ppab_enable;
172 u8 dstate;
173 u8 gpu_slowdown_temp;
174 };
175
176 enum hp_wmi_gm_commandtype {
177 HPWMI_FAN_SPEED_GET_QUERY = 0x11,
178 HPWMI_SET_PERFORMANCE_MODE = 0x1A,
179 HPWMI_FAN_SPEED_MAX_GET_QUERY = 0x26,
180 HPWMI_FAN_SPEED_MAX_SET_QUERY = 0x27,
181 HPWMI_GET_SYSTEM_DESIGN_DATA = 0x28,
182 HPWMI_FAN_COUNT_GET_QUERY = 0x10,
183 HPWMI_GET_GPU_THERMAL_MODES_QUERY = 0x21,
184 HPWMI_SET_GPU_THERMAL_MODES_QUERY = 0x22,
185 HPWMI_SET_POWER_LIMITS_QUERY = 0x29,
186 HPWMI_VICTUS_S_FAN_SPEED_GET_QUERY = 0x2D,
187 HPWMI_FAN_SPEED_SET_QUERY = 0x2E,
188 };
189
190 enum hp_wmi_command {
191 HPWMI_READ = 0x01,
192 HPWMI_WRITE = 0x02,
193 HPWMI_ODM = 0x03,
194 HPWMI_GM = 0x20008,
195 };
196
197 enum hp_wmi_hardware_mask {
198 HPWMI_DOCK_MASK = 0x01,
199 HPWMI_TABLET_MASK = 0x04,
200 };
201
202 struct bios_return {
203 u32 sigpass;
204 u32 return_code;
205 };
206
207 enum hp_return_value {
208 HPWMI_RET_WRONG_SIGNATURE = 0x02,
209 HPWMI_RET_UNKNOWN_COMMAND = 0x03,
210 HPWMI_RET_UNKNOWN_CMDTYPE = 0x04,
211 HPWMI_RET_INVALID_PARAMETERS = 0x05,
212 };
213
214 enum hp_wireless2_bits {
215 HPWMI_POWER_STATE = 0x01,
216 HPWMI_POWER_SOFT = 0x02,
217 HPWMI_POWER_BIOS = 0x04,
218 HPWMI_POWER_HARD = 0x08,
219 HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
220 };
221
222 enum hp_thermal_profile_omen_v0 {
223 HP_OMEN_V0_THERMAL_PROFILE_DEFAULT = 0x00,
224 HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE = 0x01,
225 HP_OMEN_V0_THERMAL_PROFILE_COOL = 0x02,
226 };
227
228 enum hp_thermal_profile_omen_v1 {
229 HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0x30,
230 HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0x31,
231 HP_OMEN_V1_THERMAL_PROFILE_COOL = 0x50,
232 };
233
234 enum hp_thermal_profile_omen_flags {
235 HP_OMEN_EC_FLAGS_TURBO = 0x04,
236 HP_OMEN_EC_FLAGS_NOTIMER = 0x02,
237 HP_OMEN_EC_FLAGS_JUSTSET = 0x01,
238 };
239
240 enum hp_thermal_profile_victus {
241 HP_VICTUS_THERMAL_PROFILE_DEFAULT = 0x00,
242 HP_VICTUS_THERMAL_PROFILE_PERFORMANCE = 0x01,
243 HP_VICTUS_THERMAL_PROFILE_QUIET = 0x03,
244 };
245
246 enum hp_thermal_profile_victus_s {
247 HP_VICTUS_S_THERMAL_PROFILE_DEFAULT = 0x00,
248 HP_VICTUS_S_THERMAL_PROFILE_PERFORMANCE = 0x01,
249 };
250
251 enum hp_thermal_profile {
252 HP_THERMAL_PROFILE_PERFORMANCE = 0x00,
253 HP_THERMAL_PROFILE_DEFAULT = 0x01,
254 HP_THERMAL_PROFILE_COOL = 0x02,
255 HP_THERMAL_PROFILE_QUIET = 0x03,
256 };
257
258 #define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
259 #define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
260
261 struct bios_rfkill2_device_state {
262 u8 radio_type;
263 u8 bus_type;
264 u16 vendor_id;
265 u16 product_id;
266 u16 subsys_vendor_id;
267 u16 subsys_product_id;
268 u8 rfkill_id;
269 u8 power;
270 u8 unknown[4];
271 };
272
273 /* 7 devices fit into the 128 byte buffer */
274 #define HPWMI_MAX_RFKILL2_DEVICES 7
275
276 struct bios_rfkill2_state {
277 u8 unknown[7];
278 u8 count;
279 u8 pad[8];
280 struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES];
281 };
282
283 static const struct key_entry hp_wmi_keymap[] = {
284 { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } },
285 { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } },
286 { KE_KEY, 0x270, { KEY_MICMUTE } },
287 { KE_KEY, 0x20e6, { KEY_PROG1 } },
288 { KE_KEY, 0x20e8, { KEY_MEDIA } },
289 { KE_KEY, 0x2142, { KEY_MEDIA } },
290 { KE_KEY, 0x213b, { KEY_INFO } },
291 { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } },
292 { KE_KEY, 0x216a, { KEY_SETUP } },
293 { KE_IGNORE, 0x21a4, }, /* Win Lock On */
294 { KE_IGNORE, 0x121a4, }, /* Win Lock Off */
295 { KE_KEY, 0x21a5, { KEY_PROG2 } }, /* HP Omen Key */
296 { KE_KEY, 0x21a7, { KEY_FN_ESC } },
297 { KE_KEY, 0x21a8, { KEY_PROG2 } }, /* HP Envy x360 programmable key */
298 { KE_KEY, 0x21a9, { KEY_TOUCHPAD_OFF } },
299 { KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } },
300 { KE_KEY, 0x231b, { KEY_HELP } },
301 { KE_END, 0 }
302 };
303
304 /*
305 * Mutex for the active_platform_profile variable,
306 * see omen_powersource_event.
307 */
308 static DEFINE_MUTEX(active_platform_profile_lock);
309
310 static struct input_dev *hp_wmi_input_dev;
311 static struct input_dev *camera_shutter_input_dev;
312 static struct platform_device *hp_wmi_platform_dev;
313 static struct device *platform_profile_device;
314 static struct notifier_block platform_power_source_nb;
315 static enum platform_profile_option active_platform_profile;
316 static bool platform_profile_support;
317 static bool zero_insize_support;
318
319 static struct rfkill *wifi_rfkill;
320 static struct rfkill *bluetooth_rfkill;
321 static struct rfkill *wwan_rfkill;
322
323 struct rfkill2_device {
324 u8 id;
325 int num;
326 struct rfkill *rfkill;
327 };
328
329 static int rfkill2_count;
330 static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES];
331
332 /*
333 * Chassis Types values were obtained from SMBIOS reference
334 * specification version 3.00. A complete list of system enclosures
335 * and chassis types is available on Table 17.
336 */
337 static const char * const tablet_chassis_types[] = {
338 "30", /* Tablet*/
339 "31", /* Convertible */
340 "32" /* Detachable */
341 };
342
343 #define DEVICE_MODE_TABLET 0x06
344
345 /* map output size to the corresponding WMI method id */
encode_outsize_for_pvsz(int outsize)346 static inline int encode_outsize_for_pvsz(int outsize)
347 {
348 if (outsize > 4096)
349 return -EINVAL;
350 if (outsize > 1024)
351 return 5;
352 if (outsize > 128)
353 return 4;
354 if (outsize > 4)
355 return 3;
356 if (outsize > 0)
357 return 2;
358 return 1;
359 }
360
361 /*
362 * hp_wmi_perform_query
363 *
364 * query: The commandtype (enum hp_wmi_commandtype)
365 * write: The command (enum hp_wmi_command)
366 * buffer: Buffer used as input and/or output
367 * insize: Size of input buffer
368 * outsize: Size of output buffer
369 *
370 * returns zero on success
371 * an HP WMI query specific error code (which is positive)
372 * -EINVAL if the query was not successful at all
373 * -EINVAL if the output buffer size exceeds buffersize
374 *
375 * Note: The buffersize must at least be the maximum of the input and output
376 * size. E.g. Battery info query is defined to have 1 byte input
377 * and 128 byte output. The caller would do:
378 * buffer = kzalloc(128, GFP_KERNEL);
379 * ret = hp_wmi_perform_query(HPWMI_BATTERY_QUERY, HPWMI_READ, buffer, 1, 128)
380 */
hp_wmi_perform_query(int query,enum hp_wmi_command command,void * buffer,int insize,int outsize)381 static int hp_wmi_perform_query(int query, enum hp_wmi_command command,
382 void *buffer, int insize, int outsize)
383 {
384 struct acpi_buffer input, output = { ACPI_ALLOCATE_BUFFER, NULL };
385 struct bios_return *bios_return;
386 union acpi_object *obj = NULL;
387 struct bios_args *args = NULL;
388 int mid, actual_insize, actual_outsize;
389 size_t bios_args_size;
390 int ret;
391
392 mid = encode_outsize_for_pvsz(outsize);
393 if (WARN_ON(mid < 0))
394 return mid;
395
396 actual_insize = max(insize, 128);
397 bios_args_size = struct_size(args, data, actual_insize);
398 args = kmalloc(bios_args_size, GFP_KERNEL);
399 if (!args)
400 return -ENOMEM;
401
402 input.length = bios_args_size;
403 input.pointer = args;
404
405 args->signature = 0x55434553;
406 args->command = command;
407 args->commandtype = query;
408 args->datasize = insize;
409 memcpy(args->data, buffer, flex_array_size(args, data, insize));
410
411 ret = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, mid, &input, &output);
412 if (ret)
413 goto out_free;
414
415 obj = output.pointer;
416 if (!obj) {
417 ret = -EINVAL;
418 goto out_free;
419 }
420
421 if (obj->type != ACPI_TYPE_BUFFER) {
422 pr_warn("query 0x%x returned an invalid object 0x%x\n", query, ret);
423 ret = -EINVAL;
424 goto out_free;
425 }
426
427 bios_return = (struct bios_return *)obj->buffer.pointer;
428 ret = bios_return->return_code;
429
430 if (ret) {
431 if (ret != HPWMI_RET_UNKNOWN_COMMAND &&
432 ret != HPWMI_RET_UNKNOWN_CMDTYPE)
433 pr_warn("query 0x%x returned error 0x%x\n", query, ret);
434 goto out_free;
435 }
436
437 /* Ignore output data of zero size */
438 if (!outsize)
439 goto out_free;
440
441 actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return)));
442 memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize);
443 memset(buffer + actual_outsize, 0, outsize - actual_outsize);
444
445 out_free:
446 kfree(obj);
447 kfree(args);
448 return ret;
449 }
450
451 /*
452 * Calling this hp_wmi_get_fan_count_userdefine_trigger function also enables
453 * and/or maintains the laptop in user defined thermal and fan states, instead
454 * of using a fallback state. After a 120 seconds timeout however, the laptop
455 * goes back to its fallback state.
456 */
hp_wmi_get_fan_count_userdefine_trigger(void)457 static int hp_wmi_get_fan_count_userdefine_trigger(void)
458 {
459 u8 fan_data[4] = {};
460 int ret;
461
462 ret = hp_wmi_perform_query(HPWMI_FAN_COUNT_GET_QUERY, HPWMI_GM,
463 &fan_data, sizeof(u8),
464 sizeof(fan_data));
465 if (ret != 0)
466 return -EINVAL;
467
468 return fan_data[0]; /* Others bytes aren't providing fan count */
469 }
470
hp_wmi_get_fan_speed(int fan)471 static int hp_wmi_get_fan_speed(int fan)
472 {
473 u8 fsh, fsl;
474 char fan_data[4] = { fan, 0, 0, 0 };
475
476 int ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_GET_QUERY, HPWMI_GM,
477 &fan_data, sizeof(char),
478 sizeof(fan_data));
479
480 if (ret != 0)
481 return -EINVAL;
482
483 fsh = fan_data[2];
484 fsl = fan_data[3];
485
486 return (fsh << 8) | fsl;
487 }
488
hp_wmi_get_fan_speed_victus_s(int fan)489 static int hp_wmi_get_fan_speed_victus_s(int fan)
490 {
491 u8 fan_data[128] = {};
492 int ret;
493
494 if (fan < 0 || fan >= sizeof(fan_data))
495 return -EINVAL;
496
497 ret = hp_wmi_perform_query(HPWMI_VICTUS_S_FAN_SPEED_GET_QUERY,
498 HPWMI_GM, &fan_data, sizeof(u8),
499 sizeof(fan_data));
500 if (ret != 0)
501 return -EINVAL;
502
503 return fan_data[fan] * 100;
504 }
505
hp_wmi_read_int(int query)506 static int hp_wmi_read_int(int query)
507 {
508 int val = 0, ret;
509
510 ret = hp_wmi_perform_query(query, HPWMI_READ, &val,
511 zero_if_sup(val), sizeof(val));
512
513 if (ret)
514 return ret < 0 ? ret : -EINVAL;
515
516 return val;
517 }
518
hp_wmi_get_dock_state(void)519 static int hp_wmi_get_dock_state(void)
520 {
521 int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY);
522
523 if (state < 0)
524 return state;
525
526 return !!(state & HPWMI_DOCK_MASK);
527 }
528
hp_wmi_get_tablet_mode(void)529 static int hp_wmi_get_tablet_mode(void)
530 {
531 char system_device_mode[4] = { 0 };
532 const char *chassis_type;
533 bool tablet_found;
534 int ret;
535
536 chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
537 if (!chassis_type)
538 return -ENODEV;
539
540 tablet_found = match_string(tablet_chassis_types,
541 ARRAY_SIZE(tablet_chassis_types),
542 chassis_type) >= 0;
543 if (!tablet_found)
544 return -ENODEV;
545
546 ret = hp_wmi_perform_query(HPWMI_SYSTEM_DEVICE_MODE, HPWMI_READ,
547 system_device_mode, zero_if_sup(system_device_mode),
548 sizeof(system_device_mode));
549 if (ret < 0)
550 return ret;
551
552 return system_device_mode[0] == DEVICE_MODE_TABLET;
553 }
554
omen_thermal_profile_set(int mode)555 static int omen_thermal_profile_set(int mode)
556 {
557 /* The Omen Control Center actively sets the first byte of the buffer to
558 * 255, so let's mimic this behaviour to be as close as possible to
559 * the original software.
560 */
561 char buffer[2] = {-1, mode};
562 int ret;
563
564 ret = hp_wmi_perform_query(HPWMI_SET_PERFORMANCE_MODE, HPWMI_GM,
565 &buffer, sizeof(buffer), 0);
566
567 if (ret)
568 return ret < 0 ? ret : -EINVAL;
569
570 return mode;
571 }
572
is_omen_thermal_profile(void)573 static bool is_omen_thermal_profile(void)
574 {
575 const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
576
577 if (!board_name)
578 return false;
579
580 return match_string(omen_thermal_profile_boards,
581 ARRAY_SIZE(omen_thermal_profile_boards),
582 board_name) >= 0;
583 }
584
omen_get_thermal_policy_version(void)585 static int omen_get_thermal_policy_version(void)
586 {
587 unsigned char buffer[8] = { 0 };
588 int ret;
589
590 const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
591
592 if (board_name) {
593 int matches = match_string(omen_thermal_profile_force_v0_boards,
594 ARRAY_SIZE(omen_thermal_profile_force_v0_boards),
595 board_name);
596 if (matches >= 0)
597 return 0;
598 }
599
600 ret = hp_wmi_perform_query(HPWMI_GET_SYSTEM_DESIGN_DATA, HPWMI_GM,
601 &buffer, sizeof(buffer), sizeof(buffer));
602
603 if (ret)
604 return ret < 0 ? ret : -EINVAL;
605
606 return buffer[3];
607 }
608
omen_thermal_profile_get(void)609 static int omen_thermal_profile_get(void)
610 {
611 u8 data;
612
613 int ret = ec_read(HP_OMEN_EC_THERMAL_PROFILE_OFFSET, &data);
614
615 if (ret)
616 return ret;
617
618 return data;
619 }
620
hp_wmi_fan_speed_max_set(int enabled)621 static int hp_wmi_fan_speed_max_set(int enabled)
622 {
623 int ret;
624
625 ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_MAX_SET_QUERY, HPWMI_GM,
626 &enabled, sizeof(enabled), 0);
627
628 if (ret)
629 return ret < 0 ? ret : -EINVAL;
630
631 return enabled;
632 }
633
hp_wmi_fan_speed_reset(void)634 static int hp_wmi_fan_speed_reset(void)
635 {
636 u8 fan_speed[2] = { HP_FAN_SPEED_AUTOMATIC, HP_FAN_SPEED_AUTOMATIC };
637 int ret;
638
639 ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_SET_QUERY, HPWMI_GM,
640 &fan_speed, sizeof(fan_speed), 0);
641
642 return ret;
643 }
644
hp_wmi_fan_speed_max_reset(void)645 static int hp_wmi_fan_speed_max_reset(void)
646 {
647 int ret;
648
649 ret = hp_wmi_fan_speed_max_set(0);
650 if (ret)
651 return ret;
652
653 /* Disabling max fan speed on Victus s1xxx laptops needs a 2nd step: */
654 ret = hp_wmi_fan_speed_reset();
655 return ret;
656 }
657
hp_wmi_fan_speed_max_get(void)658 static int hp_wmi_fan_speed_max_get(void)
659 {
660 int val = 0, ret;
661
662 ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_MAX_GET_QUERY, HPWMI_GM,
663 &val, zero_if_sup(val), sizeof(val));
664
665 if (ret)
666 return ret < 0 ? ret : -EINVAL;
667
668 return val;
669 }
670
hp_wmi_bios_2008_later(void)671 static int __init hp_wmi_bios_2008_later(void)
672 {
673 int state = 0;
674 int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, HPWMI_READ, &state,
675 zero_if_sup(state), sizeof(state));
676 if (!ret)
677 return 1;
678
679 return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
680 }
681
hp_wmi_bios_2009_later(void)682 static int __init hp_wmi_bios_2009_later(void)
683 {
684 u8 state[128];
685 int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, HPWMI_READ, &state,
686 zero_if_sup(state), sizeof(state));
687 if (!ret)
688 return 1;
689
690 return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
691 }
692
hp_wmi_enable_hotkeys(void)693 static int __init hp_wmi_enable_hotkeys(void)
694 {
695 int value = 0x6e;
696 int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, HPWMI_WRITE, &value,
697 sizeof(value), 0);
698
699 return ret <= 0 ? ret : -EINVAL;
700 }
701
hp_wmi_set_block(void * data,bool blocked)702 static int hp_wmi_set_block(void *data, bool blocked)
703 {
704 enum hp_wmi_radio r = (long)data;
705 int query = BIT(r + 8) | ((!blocked) << r);
706 int ret;
707
708 ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE,
709 &query, sizeof(query), 0);
710
711 return ret <= 0 ? ret : -EINVAL;
712 }
713
714 static const struct rfkill_ops hp_wmi_rfkill_ops = {
715 .set_block = hp_wmi_set_block,
716 };
717
hp_wmi_get_sw_state(enum hp_wmi_radio r)718 static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
719 {
720 int mask = 0x200 << (r * 8);
721
722 int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
723
724 /* TBD: Pass error */
725 WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY");
726
727 return !(wireless & mask);
728 }
729
hp_wmi_get_hw_state(enum hp_wmi_radio r)730 static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
731 {
732 int mask = 0x800 << (r * 8);
733
734 int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
735
736 /* TBD: Pass error */
737 WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY");
738
739 return !(wireless & mask);
740 }
741
hp_wmi_rfkill2_set_block(void * data,bool blocked)742 static int hp_wmi_rfkill2_set_block(void *data, bool blocked)
743 {
744 int rfkill_id = (int)(long)data;
745 char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked };
746 int ret;
747
748 ret = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_WRITE,
749 buffer, sizeof(buffer), 0);
750
751 return ret <= 0 ? ret : -EINVAL;
752 }
753
754 static const struct rfkill_ops hp_wmi_rfkill2_ops = {
755 .set_block = hp_wmi_rfkill2_set_block,
756 };
757
hp_wmi_rfkill2_refresh(void)758 static int hp_wmi_rfkill2_refresh(void)
759 {
760 struct bios_rfkill2_state state;
761 int err, i;
762
763 err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state,
764 zero_if_sup(state), sizeof(state));
765 if (err)
766 return err;
767
768 for (i = 0; i < rfkill2_count; i++) {
769 int num = rfkill2[i].num;
770 struct bios_rfkill2_device_state *devstate;
771
772 devstate = &state.device[num];
773
774 if (num >= state.count ||
775 devstate->rfkill_id != rfkill2[i].id) {
776 pr_warn("power configuration of the wireless devices unexpectedly changed\n");
777 continue;
778 }
779
780 rfkill_set_states(rfkill2[i].rfkill,
781 IS_SWBLOCKED(devstate->power),
782 IS_HWBLOCKED(devstate->power));
783 }
784
785 return 0;
786 }
787
display_show(struct device * dev,struct device_attribute * attr,char * buf)788 static ssize_t display_show(struct device *dev, struct device_attribute *attr,
789 char *buf)
790 {
791 int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY);
792
793 if (value < 0)
794 return value;
795 return sysfs_emit(buf, "%d\n", value);
796 }
797
hddtemp_show(struct device * dev,struct device_attribute * attr,char * buf)798 static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
799 char *buf)
800 {
801 int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY);
802
803 if (value < 0)
804 return value;
805 return sysfs_emit(buf, "%d\n", value);
806 }
807
als_show(struct device * dev,struct device_attribute * attr,char * buf)808 static ssize_t als_show(struct device *dev, struct device_attribute *attr,
809 char *buf)
810 {
811 int value = hp_wmi_read_int(HPWMI_ALS_QUERY);
812
813 if (value < 0)
814 return value;
815 return sysfs_emit(buf, "%d\n", value);
816 }
817
dock_show(struct device * dev,struct device_attribute * attr,char * buf)818 static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
819 char *buf)
820 {
821 int value = hp_wmi_get_dock_state();
822
823 if (value < 0)
824 return value;
825 return sysfs_emit(buf, "%d\n", value);
826 }
827
tablet_show(struct device * dev,struct device_attribute * attr,char * buf)828 static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
829 char *buf)
830 {
831 int value = hp_wmi_get_tablet_mode();
832
833 if (value < 0)
834 return value;
835 return sysfs_emit(buf, "%d\n", value);
836 }
837
postcode_show(struct device * dev,struct device_attribute * attr,char * buf)838 static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
839 char *buf)
840 {
841 /* Get the POST error code of previous boot failure. */
842 int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY);
843
844 if (value < 0)
845 return value;
846 return sysfs_emit(buf, "0x%x\n", value);
847 }
848
als_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)849 static ssize_t als_store(struct device *dev, struct device_attribute *attr,
850 const char *buf, size_t count)
851 {
852 u32 tmp;
853 int ret;
854
855 ret = kstrtou32(buf, 10, &tmp);
856 if (ret)
857 return ret;
858
859 ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp,
860 sizeof(tmp), 0);
861 if (ret)
862 return ret < 0 ? ret : -EINVAL;
863
864 return count;
865 }
866
postcode_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)867 static ssize_t postcode_store(struct device *dev, struct device_attribute *attr,
868 const char *buf, size_t count)
869 {
870 u32 tmp = 1;
871 bool clear;
872 int ret;
873
874 ret = kstrtobool(buf, &clear);
875 if (ret)
876 return ret;
877
878 if (clear == false)
879 return -EINVAL;
880
881 /* Clear the POST error code. It is kept until cleared. */
882 ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp,
883 sizeof(tmp), 0);
884 if (ret)
885 return ret < 0 ? ret : -EINVAL;
886
887 return count;
888 }
889
camera_shutter_input_setup(void)890 static int camera_shutter_input_setup(void)
891 {
892 int err;
893
894 camera_shutter_input_dev = input_allocate_device();
895 if (!camera_shutter_input_dev)
896 return -ENOMEM;
897
898 camera_shutter_input_dev->name = "HP WMI camera shutter";
899 camera_shutter_input_dev->phys = "wmi/input1";
900 camera_shutter_input_dev->id.bustype = BUS_HOST;
901
902 __set_bit(EV_SW, camera_shutter_input_dev->evbit);
903 __set_bit(SW_CAMERA_LENS_COVER, camera_shutter_input_dev->swbit);
904
905 err = input_register_device(camera_shutter_input_dev);
906 if (err)
907 goto err_free_dev;
908
909 return 0;
910
911 err_free_dev:
912 input_free_device(camera_shutter_input_dev);
913 camera_shutter_input_dev = NULL;
914 return err;
915 }
916
917 static DEVICE_ATTR_RO(display);
918 static DEVICE_ATTR_RO(hddtemp);
919 static DEVICE_ATTR_RW(als);
920 static DEVICE_ATTR_RO(dock);
921 static DEVICE_ATTR_RO(tablet);
922 static DEVICE_ATTR_RW(postcode);
923
924 static struct attribute *hp_wmi_attrs[] = {
925 &dev_attr_display.attr,
926 &dev_attr_hddtemp.attr,
927 &dev_attr_als.attr,
928 &dev_attr_dock.attr,
929 &dev_attr_tablet.attr,
930 &dev_attr_postcode.attr,
931 NULL,
932 };
933 ATTRIBUTE_GROUPS(hp_wmi);
934
hp_wmi_notify(union acpi_object * obj,void * context)935 static void hp_wmi_notify(union acpi_object *obj, void *context)
936 {
937 u32 event_id, event_data;
938 u32 *location;
939 int key_code;
940
941 if (!obj)
942 return;
943 if (obj->type != ACPI_TYPE_BUFFER) {
944 pr_info("Unknown response received %d\n", obj->type);
945 return;
946 }
947
948 /*
949 * Depending on ACPI version the concatenation of id and event data
950 * inside _WED function will result in a 8 or 16 byte buffer.
951 */
952 location = (u32 *)obj->buffer.pointer;
953 if (obj->buffer.length == 8) {
954 event_id = *location;
955 event_data = *(location + 1);
956 } else if (obj->buffer.length == 16) {
957 event_id = *location;
958 event_data = *(location + 2);
959 } else {
960 pr_info("Unknown buffer length %d\n", obj->buffer.length);
961 return;
962 }
963
964 switch (event_id) {
965 case HPWMI_DOCK_EVENT:
966 if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
967 input_report_switch(hp_wmi_input_dev, SW_DOCK,
968 hp_wmi_get_dock_state());
969 if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
970 input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
971 hp_wmi_get_tablet_mode());
972 input_sync(hp_wmi_input_dev);
973 break;
974 case HPWMI_PARK_HDD:
975 break;
976 case HPWMI_SMART_ADAPTER:
977 break;
978 case HPWMI_BEZEL_BUTTON:
979 key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
980 if (key_code < 0)
981 break;
982
983 if (!sparse_keymap_report_event(hp_wmi_input_dev,
984 key_code, 1, true))
985 pr_info("Unknown key code - 0x%x\n", key_code);
986 break;
987 case HPWMI_FN_P_HOTKEY:
988 platform_profile_cycle();
989 break;
990 case HPWMI_OMEN_KEY:
991 if (event_data) /* Only should be true for HP Omen */
992 key_code = event_data;
993 else
994 key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
995
996 if (!sparse_keymap_report_event(hp_wmi_input_dev,
997 key_code, 1, true))
998 pr_info("Unknown key code - 0x%x\n", key_code);
999 break;
1000 case HPWMI_WIRELESS:
1001 if (rfkill2_count) {
1002 hp_wmi_rfkill2_refresh();
1003 break;
1004 }
1005
1006 if (wifi_rfkill)
1007 rfkill_set_states(wifi_rfkill,
1008 hp_wmi_get_sw_state(HPWMI_WIFI),
1009 hp_wmi_get_hw_state(HPWMI_WIFI));
1010 if (bluetooth_rfkill)
1011 rfkill_set_states(bluetooth_rfkill,
1012 hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
1013 hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
1014 if (wwan_rfkill)
1015 rfkill_set_states(wwan_rfkill,
1016 hp_wmi_get_sw_state(HPWMI_WWAN),
1017 hp_wmi_get_hw_state(HPWMI_WWAN));
1018 break;
1019 case HPWMI_CPU_BATTERY_THROTTLE:
1020 pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n");
1021 break;
1022 case HPWMI_LOCK_SWITCH:
1023 break;
1024 case HPWMI_LID_SWITCH:
1025 break;
1026 case HPWMI_SCREEN_ROTATION:
1027 break;
1028 case HPWMI_COOLSENSE_SYSTEM_MOBILE:
1029 break;
1030 case HPWMI_COOLSENSE_SYSTEM_HOT:
1031 break;
1032 case HPWMI_PROXIMITY_SENSOR:
1033 break;
1034 case HPWMI_BACKLIT_KB_BRIGHTNESS:
1035 break;
1036 case HPWMI_PEAKSHIFT_PERIOD:
1037 break;
1038 case HPWMI_BATTERY_CHARGE_PERIOD:
1039 break;
1040 case HPWMI_SANITIZATION_MODE:
1041 break;
1042 case HPWMI_CAMERA_TOGGLE:
1043 if (!camera_shutter_input_dev)
1044 if (camera_shutter_input_setup()) {
1045 pr_err("Failed to setup camera shutter input device\n");
1046 break;
1047 }
1048 if (event_data == 0xff)
1049 input_report_switch(camera_shutter_input_dev, SW_CAMERA_LENS_COVER, 1);
1050 else if (event_data == 0xfe)
1051 input_report_switch(camera_shutter_input_dev, SW_CAMERA_LENS_COVER, 0);
1052 else
1053 pr_warn("Unknown camera shutter state - 0x%x\n", event_data);
1054 input_sync(camera_shutter_input_dev);
1055 break;
1056 case HPWMI_SMART_EXPERIENCE_APP:
1057 break;
1058 default:
1059 pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data);
1060 break;
1061 }
1062 }
1063
hp_wmi_input_setup(void)1064 static int __init hp_wmi_input_setup(void)
1065 {
1066 acpi_status status;
1067 int err, val;
1068
1069 hp_wmi_input_dev = input_allocate_device();
1070 if (!hp_wmi_input_dev)
1071 return -ENOMEM;
1072
1073 hp_wmi_input_dev->name = "HP WMI hotkeys";
1074 hp_wmi_input_dev->phys = "wmi/input0";
1075 hp_wmi_input_dev->id.bustype = BUS_HOST;
1076
1077 __set_bit(EV_SW, hp_wmi_input_dev->evbit);
1078
1079 /* Dock */
1080 val = hp_wmi_get_dock_state();
1081 if (!(val < 0)) {
1082 __set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
1083 input_report_switch(hp_wmi_input_dev, SW_DOCK, val);
1084 }
1085
1086 /* Tablet mode */
1087 val = hp_wmi_get_tablet_mode();
1088 if (!(val < 0)) {
1089 __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
1090 input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val);
1091 }
1092
1093 err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL);
1094 if (err)
1095 goto err_free_dev;
1096
1097 /* Set initial hardware state */
1098 input_sync(hp_wmi_input_dev);
1099
1100 if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later())
1101 hp_wmi_enable_hotkeys();
1102
1103 status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
1104 if (ACPI_FAILURE(status)) {
1105 err = -EIO;
1106 goto err_free_dev;
1107 }
1108
1109 err = input_register_device(hp_wmi_input_dev);
1110 if (err)
1111 goto err_uninstall_notifier;
1112
1113 return 0;
1114
1115 err_uninstall_notifier:
1116 wmi_remove_notify_handler(HPWMI_EVENT_GUID);
1117 err_free_dev:
1118 input_free_device(hp_wmi_input_dev);
1119 return err;
1120 }
1121
hp_wmi_input_destroy(void)1122 static void hp_wmi_input_destroy(void)
1123 {
1124 wmi_remove_notify_handler(HPWMI_EVENT_GUID);
1125 input_unregister_device(hp_wmi_input_dev);
1126 }
1127
hp_wmi_rfkill_setup(struct platform_device * device)1128 static int __init hp_wmi_rfkill_setup(struct platform_device *device)
1129 {
1130 int err, wireless;
1131
1132 wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
1133 if (wireless < 0)
1134 return wireless;
1135
1136 err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &wireless,
1137 sizeof(wireless), 0);
1138 if (err)
1139 return err;
1140
1141 if (wireless & 0x1) {
1142 wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
1143 RFKILL_TYPE_WLAN,
1144 &hp_wmi_rfkill_ops,
1145 (void *) HPWMI_WIFI);
1146 if (!wifi_rfkill)
1147 return -ENOMEM;
1148 rfkill_init_sw_state(wifi_rfkill,
1149 hp_wmi_get_sw_state(HPWMI_WIFI));
1150 rfkill_set_hw_state(wifi_rfkill,
1151 hp_wmi_get_hw_state(HPWMI_WIFI));
1152 err = rfkill_register(wifi_rfkill);
1153 if (err)
1154 goto register_wifi_error;
1155 }
1156
1157 if (wireless & 0x2) {
1158 bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev,
1159 RFKILL_TYPE_BLUETOOTH,
1160 &hp_wmi_rfkill_ops,
1161 (void *) HPWMI_BLUETOOTH);
1162 if (!bluetooth_rfkill) {
1163 err = -ENOMEM;
1164 goto register_bluetooth_error;
1165 }
1166 rfkill_init_sw_state(bluetooth_rfkill,
1167 hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
1168 rfkill_set_hw_state(bluetooth_rfkill,
1169 hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
1170 err = rfkill_register(bluetooth_rfkill);
1171 if (err)
1172 goto register_bluetooth_error;
1173 }
1174
1175 if (wireless & 0x4) {
1176 wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev,
1177 RFKILL_TYPE_WWAN,
1178 &hp_wmi_rfkill_ops,
1179 (void *) HPWMI_WWAN);
1180 if (!wwan_rfkill) {
1181 err = -ENOMEM;
1182 goto register_wwan_error;
1183 }
1184 rfkill_init_sw_state(wwan_rfkill,
1185 hp_wmi_get_sw_state(HPWMI_WWAN));
1186 rfkill_set_hw_state(wwan_rfkill,
1187 hp_wmi_get_hw_state(HPWMI_WWAN));
1188 err = rfkill_register(wwan_rfkill);
1189 if (err)
1190 goto register_wwan_error;
1191 }
1192
1193 return 0;
1194
1195 register_wwan_error:
1196 rfkill_destroy(wwan_rfkill);
1197 wwan_rfkill = NULL;
1198 if (bluetooth_rfkill)
1199 rfkill_unregister(bluetooth_rfkill);
1200 register_bluetooth_error:
1201 rfkill_destroy(bluetooth_rfkill);
1202 bluetooth_rfkill = NULL;
1203 if (wifi_rfkill)
1204 rfkill_unregister(wifi_rfkill);
1205 register_wifi_error:
1206 rfkill_destroy(wifi_rfkill);
1207 wifi_rfkill = NULL;
1208 return err;
1209 }
1210
hp_wmi_rfkill2_setup(struct platform_device * device)1211 static int __init hp_wmi_rfkill2_setup(struct platform_device *device)
1212 {
1213 struct bios_rfkill2_state state;
1214 int err, i;
1215
1216 err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state,
1217 zero_if_sup(state), sizeof(state));
1218 if (err)
1219 return err < 0 ? err : -EINVAL;
1220
1221 if (state.count > HPWMI_MAX_RFKILL2_DEVICES) {
1222 pr_warn("unable to parse 0x1b query output\n");
1223 return -EINVAL;
1224 }
1225
1226 for (i = 0; i < state.count; i++) {
1227 struct rfkill *rfkill;
1228 enum rfkill_type type;
1229 char *name;
1230
1231 switch (state.device[i].radio_type) {
1232 case HPWMI_WIFI:
1233 type = RFKILL_TYPE_WLAN;
1234 name = "hp-wifi";
1235 break;
1236 case HPWMI_BLUETOOTH:
1237 type = RFKILL_TYPE_BLUETOOTH;
1238 name = "hp-bluetooth";
1239 break;
1240 case HPWMI_WWAN:
1241 type = RFKILL_TYPE_WWAN;
1242 name = "hp-wwan";
1243 break;
1244 case HPWMI_GPS:
1245 type = RFKILL_TYPE_GPS;
1246 name = "hp-gps";
1247 break;
1248 default:
1249 pr_warn("unknown device type 0x%x\n",
1250 state.device[i].radio_type);
1251 continue;
1252 }
1253
1254 if (!state.device[i].vendor_id) {
1255 pr_warn("zero device %d while %d reported\n",
1256 i, state.count);
1257 continue;
1258 }
1259
1260 rfkill = rfkill_alloc(name, &device->dev, type,
1261 &hp_wmi_rfkill2_ops, (void *)(long)i);
1262 if (!rfkill) {
1263 err = -ENOMEM;
1264 goto fail;
1265 }
1266
1267 rfkill2[rfkill2_count].id = state.device[i].rfkill_id;
1268 rfkill2[rfkill2_count].num = i;
1269 rfkill2[rfkill2_count].rfkill = rfkill;
1270
1271 rfkill_init_sw_state(rfkill,
1272 IS_SWBLOCKED(state.device[i].power));
1273 rfkill_set_hw_state(rfkill,
1274 IS_HWBLOCKED(state.device[i].power));
1275
1276 if (!(state.device[i].power & HPWMI_POWER_BIOS))
1277 pr_info("device %s blocked by BIOS\n", name);
1278
1279 err = rfkill_register(rfkill);
1280 if (err) {
1281 rfkill_destroy(rfkill);
1282 goto fail;
1283 }
1284
1285 rfkill2_count++;
1286 }
1287
1288 return 0;
1289 fail:
1290 for (; rfkill2_count > 0; rfkill2_count--) {
1291 rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill);
1292 rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill);
1293 }
1294 return err;
1295 }
1296
platform_profile_omen_get_ec(enum platform_profile_option * profile)1297 static int platform_profile_omen_get_ec(enum platform_profile_option *profile)
1298 {
1299 int tp;
1300
1301 tp = omen_thermal_profile_get();
1302 if (tp < 0)
1303 return tp;
1304
1305 switch (tp) {
1306 case HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE:
1307 case HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE:
1308 *profile = PLATFORM_PROFILE_PERFORMANCE;
1309 break;
1310 case HP_OMEN_V0_THERMAL_PROFILE_DEFAULT:
1311 case HP_OMEN_V1_THERMAL_PROFILE_DEFAULT:
1312 *profile = PLATFORM_PROFILE_BALANCED;
1313 break;
1314 case HP_OMEN_V0_THERMAL_PROFILE_COOL:
1315 case HP_OMEN_V1_THERMAL_PROFILE_COOL:
1316 *profile = PLATFORM_PROFILE_COOL;
1317 break;
1318 default:
1319 return -EINVAL;
1320 }
1321
1322 return 0;
1323 }
1324
platform_profile_omen_get(struct device * dev,enum platform_profile_option * profile)1325 static int platform_profile_omen_get(struct device *dev,
1326 enum platform_profile_option *profile)
1327 {
1328 /*
1329 * We directly return the stored platform profile, as the embedded
1330 * controller will not accept switching to the performance option when
1331 * the conditions are not met (e.g. the laptop is not plugged in).
1332 *
1333 * If we directly return what the EC reports, the platform profile will
1334 * immediately "switch back" to normal mode, which is against the
1335 * expected behaviour from a userspace point of view, as described in
1336 * the Platform Profile Section page of the kernel documentation.
1337 *
1338 * See also omen_powersource_event.
1339 */
1340 guard(mutex)(&active_platform_profile_lock);
1341 *profile = active_platform_profile;
1342
1343 return 0;
1344 }
1345
has_omen_thermal_profile_ec_timer(void)1346 static bool has_omen_thermal_profile_ec_timer(void)
1347 {
1348 const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
1349
1350 if (!board_name)
1351 return false;
1352
1353 return match_string(omen_timed_thermal_profile_boards,
1354 ARRAY_SIZE(omen_timed_thermal_profile_boards),
1355 board_name) >= 0;
1356 }
1357
omen_thermal_profile_ec_flags_set(enum hp_thermal_profile_omen_flags flags)1358 inline int omen_thermal_profile_ec_flags_set(enum hp_thermal_profile_omen_flags flags)
1359 {
1360 return ec_write(HP_OMEN_EC_THERMAL_PROFILE_FLAGS_OFFSET, flags);
1361 }
1362
omen_thermal_profile_ec_timer_set(u8 value)1363 inline int omen_thermal_profile_ec_timer_set(u8 value)
1364 {
1365 return ec_write(HP_OMEN_EC_THERMAL_PROFILE_TIMER_OFFSET, value);
1366 }
1367
platform_profile_omen_set_ec(enum platform_profile_option profile)1368 static int platform_profile_omen_set_ec(enum platform_profile_option profile)
1369 {
1370 int err, tp, tp_version;
1371 enum hp_thermal_profile_omen_flags flags = 0;
1372
1373 tp_version = omen_get_thermal_policy_version();
1374
1375 if (tp_version < 0 || tp_version > 1)
1376 return -EOPNOTSUPP;
1377
1378 switch (profile) {
1379 case PLATFORM_PROFILE_PERFORMANCE:
1380 if (tp_version == 0)
1381 tp = HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE;
1382 else
1383 tp = HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE;
1384 break;
1385 case PLATFORM_PROFILE_BALANCED:
1386 if (tp_version == 0)
1387 tp = HP_OMEN_V0_THERMAL_PROFILE_DEFAULT;
1388 else
1389 tp = HP_OMEN_V1_THERMAL_PROFILE_DEFAULT;
1390 break;
1391 case PLATFORM_PROFILE_COOL:
1392 if (tp_version == 0)
1393 tp = HP_OMEN_V0_THERMAL_PROFILE_COOL;
1394 else
1395 tp = HP_OMEN_V1_THERMAL_PROFILE_COOL;
1396 break;
1397 default:
1398 return -EOPNOTSUPP;
1399 }
1400
1401 err = omen_thermal_profile_set(tp);
1402 if (err < 0)
1403 return err;
1404
1405 if (has_omen_thermal_profile_ec_timer()) {
1406 err = omen_thermal_profile_ec_timer_set(0);
1407 if (err < 0)
1408 return err;
1409
1410 if (profile == PLATFORM_PROFILE_PERFORMANCE)
1411 flags = HP_OMEN_EC_FLAGS_NOTIMER |
1412 HP_OMEN_EC_FLAGS_TURBO;
1413
1414 err = omen_thermal_profile_ec_flags_set(flags);
1415 if (err < 0)
1416 return err;
1417 }
1418
1419 return 0;
1420 }
1421
platform_profile_omen_set(struct device * dev,enum platform_profile_option profile)1422 static int platform_profile_omen_set(struct device *dev,
1423 enum platform_profile_option profile)
1424 {
1425 int err;
1426
1427 guard(mutex)(&active_platform_profile_lock);
1428
1429 err = platform_profile_omen_set_ec(profile);
1430 if (err < 0)
1431 return err;
1432
1433 active_platform_profile = profile;
1434
1435 return 0;
1436 }
1437
thermal_profile_get(void)1438 static int thermal_profile_get(void)
1439 {
1440 return hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY);
1441 }
1442
thermal_profile_set(int thermal_profile)1443 static int thermal_profile_set(int thermal_profile)
1444 {
1445 return hp_wmi_perform_query(HPWMI_THERMAL_PROFILE_QUERY, HPWMI_WRITE, &thermal_profile,
1446 sizeof(thermal_profile), 0);
1447 }
1448
hp_wmi_platform_profile_get(struct device * dev,enum platform_profile_option * profile)1449 static int hp_wmi_platform_profile_get(struct device *dev,
1450 enum platform_profile_option *profile)
1451 {
1452 int tp;
1453
1454 tp = thermal_profile_get();
1455 if (tp < 0)
1456 return tp;
1457
1458 switch (tp) {
1459 case HP_THERMAL_PROFILE_PERFORMANCE:
1460 *profile = PLATFORM_PROFILE_PERFORMANCE;
1461 break;
1462 case HP_THERMAL_PROFILE_DEFAULT:
1463 *profile = PLATFORM_PROFILE_BALANCED;
1464 break;
1465 case HP_THERMAL_PROFILE_COOL:
1466 *profile = PLATFORM_PROFILE_COOL;
1467 break;
1468 case HP_THERMAL_PROFILE_QUIET:
1469 *profile = PLATFORM_PROFILE_QUIET;
1470 break;
1471 default:
1472 return -EINVAL;
1473 }
1474
1475 return 0;
1476 }
1477
hp_wmi_platform_profile_set(struct device * dev,enum platform_profile_option profile)1478 static int hp_wmi_platform_profile_set(struct device *dev,
1479 enum platform_profile_option profile)
1480 {
1481 int err, tp;
1482
1483 switch (profile) {
1484 case PLATFORM_PROFILE_PERFORMANCE:
1485 tp = HP_THERMAL_PROFILE_PERFORMANCE;
1486 break;
1487 case PLATFORM_PROFILE_BALANCED:
1488 tp = HP_THERMAL_PROFILE_DEFAULT;
1489 break;
1490 case PLATFORM_PROFILE_COOL:
1491 tp = HP_THERMAL_PROFILE_COOL;
1492 break;
1493 case PLATFORM_PROFILE_QUIET:
1494 tp = HP_THERMAL_PROFILE_QUIET;
1495 break;
1496 default:
1497 return -EOPNOTSUPP;
1498 }
1499
1500 err = thermal_profile_set(tp);
1501 if (err)
1502 return err;
1503
1504 return 0;
1505 }
1506
is_victus_thermal_profile(void)1507 static bool is_victus_thermal_profile(void)
1508 {
1509 const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
1510
1511 if (!board_name)
1512 return false;
1513
1514 return match_string(victus_thermal_profile_boards,
1515 ARRAY_SIZE(victus_thermal_profile_boards),
1516 board_name) >= 0;
1517 }
1518
platform_profile_victus_get_ec(enum platform_profile_option * profile)1519 static int platform_profile_victus_get_ec(enum platform_profile_option *profile)
1520 {
1521 int tp;
1522
1523 tp = omen_thermal_profile_get();
1524 if (tp < 0)
1525 return tp;
1526
1527 switch (tp) {
1528 case HP_VICTUS_THERMAL_PROFILE_PERFORMANCE:
1529 *profile = PLATFORM_PROFILE_PERFORMANCE;
1530 break;
1531 case HP_VICTUS_THERMAL_PROFILE_DEFAULT:
1532 *profile = PLATFORM_PROFILE_BALANCED;
1533 break;
1534 case HP_VICTUS_THERMAL_PROFILE_QUIET:
1535 *profile = PLATFORM_PROFILE_QUIET;
1536 break;
1537 default:
1538 return -EOPNOTSUPP;
1539 }
1540
1541 return 0;
1542 }
1543
platform_profile_victus_get(struct device * dev,enum platform_profile_option * profile)1544 static int platform_profile_victus_get(struct device *dev,
1545 enum platform_profile_option *profile)
1546 {
1547 /* Same behaviour as platform_profile_omen_get */
1548 return platform_profile_omen_get(dev, profile);
1549 }
1550
platform_profile_victus_set_ec(enum platform_profile_option profile)1551 static int platform_profile_victus_set_ec(enum platform_profile_option profile)
1552 {
1553 int err, tp;
1554
1555 switch (profile) {
1556 case PLATFORM_PROFILE_PERFORMANCE:
1557 tp = HP_VICTUS_THERMAL_PROFILE_PERFORMANCE;
1558 break;
1559 case PLATFORM_PROFILE_BALANCED:
1560 tp = HP_VICTUS_THERMAL_PROFILE_DEFAULT;
1561 break;
1562 case PLATFORM_PROFILE_QUIET:
1563 tp = HP_VICTUS_THERMAL_PROFILE_QUIET;
1564 break;
1565 default:
1566 return -EOPNOTSUPP;
1567 }
1568
1569 err = omen_thermal_profile_set(tp);
1570 if (err < 0)
1571 return err;
1572
1573 return 0;
1574 }
1575
is_victus_s_thermal_profile(void)1576 static bool is_victus_s_thermal_profile(void)
1577 {
1578 const char *board_name;
1579
1580 board_name = dmi_get_system_info(DMI_BOARD_NAME);
1581 if (!board_name)
1582 return false;
1583
1584 return match_string(victus_s_thermal_profile_boards,
1585 ARRAY_SIZE(victus_s_thermal_profile_boards),
1586 board_name) >= 0;
1587 }
1588
victus_s_gpu_thermal_profile_get(bool * ctgp_enable,bool * ppab_enable,u8 * dstate,u8 * gpu_slowdown_temp)1589 static int victus_s_gpu_thermal_profile_get(bool *ctgp_enable,
1590 bool *ppab_enable,
1591 u8 *dstate,
1592 u8 *gpu_slowdown_temp)
1593 {
1594 struct victus_gpu_power_modes gpu_power_modes;
1595 int ret;
1596
1597 ret = hp_wmi_perform_query(HPWMI_GET_GPU_THERMAL_MODES_QUERY, HPWMI_GM,
1598 &gpu_power_modes, sizeof(gpu_power_modes),
1599 sizeof(gpu_power_modes));
1600 if (ret == 0) {
1601 *ctgp_enable = gpu_power_modes.ctgp_enable ? true : false;
1602 *ppab_enable = gpu_power_modes.ppab_enable ? true : false;
1603 *dstate = gpu_power_modes.dstate;
1604 *gpu_slowdown_temp = gpu_power_modes.gpu_slowdown_temp;
1605 }
1606
1607 return ret;
1608 }
1609
victus_s_gpu_thermal_profile_set(bool ctgp_enable,bool ppab_enable,u8 dstate)1610 static int victus_s_gpu_thermal_profile_set(bool ctgp_enable,
1611 bool ppab_enable,
1612 u8 dstate)
1613 {
1614 struct victus_gpu_power_modes gpu_power_modes;
1615 int ret;
1616
1617 bool current_ctgp_state, current_ppab_state;
1618 u8 current_dstate, current_gpu_slowdown_temp;
1619
1620 /* Retrieving GPU slowdown temperature, in order to keep it unchanged */
1621 ret = victus_s_gpu_thermal_profile_get(¤t_ctgp_state,
1622 ¤t_ppab_state,
1623 ¤t_dstate,
1624 ¤t_gpu_slowdown_temp);
1625 if (ret < 0) {
1626 pr_warn("GPU modes not updated, unable to get slowdown temp\n");
1627 return ret;
1628 }
1629
1630 gpu_power_modes.ctgp_enable = ctgp_enable ? 0x01 : 0x00;
1631 gpu_power_modes.ppab_enable = ppab_enable ? 0x01 : 0x00;
1632 gpu_power_modes.dstate = dstate;
1633 gpu_power_modes.gpu_slowdown_temp = current_gpu_slowdown_temp;
1634
1635
1636 ret = hp_wmi_perform_query(HPWMI_SET_GPU_THERMAL_MODES_QUERY, HPWMI_GM,
1637 &gpu_power_modes, sizeof(gpu_power_modes), 0);
1638
1639 return ret;
1640 }
1641
1642 /* Note: HP_POWER_LIMIT_DEFAULT can be used to restore default PL1 and PL2 */
victus_s_set_cpu_pl1_pl2(u8 pl1,u8 pl2)1643 static int victus_s_set_cpu_pl1_pl2(u8 pl1, u8 pl2)
1644 {
1645 struct victus_power_limits power_limits;
1646 int ret;
1647
1648 /* We need to know both PL1 and PL2 values in order to check them */
1649 if (pl1 == HP_POWER_LIMIT_NO_CHANGE || pl2 == HP_POWER_LIMIT_NO_CHANGE)
1650 return -EINVAL;
1651
1652 /* PL2 is not supposed to be lower than PL1 */
1653 if (pl2 < pl1)
1654 return -EINVAL;
1655
1656 power_limits.pl1 = pl1;
1657 power_limits.pl2 = pl2;
1658 power_limits.pl4 = HP_POWER_LIMIT_NO_CHANGE;
1659 power_limits.cpu_gpu_concurrent_limit = HP_POWER_LIMIT_NO_CHANGE;
1660
1661 ret = hp_wmi_perform_query(HPWMI_SET_POWER_LIMITS_QUERY, HPWMI_GM,
1662 &power_limits, sizeof(power_limits), 0);
1663
1664 return ret;
1665 }
1666
platform_profile_victus_s_set_ec(enum platform_profile_option profile)1667 static int platform_profile_victus_s_set_ec(enum platform_profile_option profile)
1668 {
1669 bool gpu_ctgp_enable, gpu_ppab_enable;
1670 u8 gpu_dstate; /* Test shows 1 = 100%, 2 = 50%, 3 = 25%, 4 = 12.5% */
1671 int err, tp;
1672
1673 switch (profile) {
1674 case PLATFORM_PROFILE_PERFORMANCE:
1675 tp = HP_VICTUS_S_THERMAL_PROFILE_PERFORMANCE;
1676 gpu_ctgp_enable = true;
1677 gpu_ppab_enable = true;
1678 gpu_dstate = 1;
1679 break;
1680 case PLATFORM_PROFILE_BALANCED:
1681 tp = HP_VICTUS_S_THERMAL_PROFILE_DEFAULT;
1682 gpu_ctgp_enable = false;
1683 gpu_ppab_enable = true;
1684 gpu_dstate = 1;
1685 break;
1686 case PLATFORM_PROFILE_LOW_POWER:
1687 tp = HP_VICTUS_S_THERMAL_PROFILE_DEFAULT;
1688 gpu_ctgp_enable = false;
1689 gpu_ppab_enable = false;
1690 gpu_dstate = 1;
1691 break;
1692 default:
1693 return -EOPNOTSUPP;
1694 }
1695
1696 hp_wmi_get_fan_count_userdefine_trigger();
1697
1698 err = omen_thermal_profile_set(tp);
1699 if (err < 0) {
1700 pr_err("Failed to set platform profile %d: %d\n", profile, err);
1701 return err;
1702 }
1703
1704 err = victus_s_gpu_thermal_profile_set(gpu_ctgp_enable,
1705 gpu_ppab_enable,
1706 gpu_dstate);
1707 if (err < 0) {
1708 pr_err("Failed to set GPU profile %d: %d\n", profile, err);
1709 return err;
1710 }
1711
1712 return 0;
1713 }
1714
platform_profile_victus_s_set(struct device * dev,enum platform_profile_option profile)1715 static int platform_profile_victus_s_set(struct device *dev,
1716 enum platform_profile_option profile)
1717 {
1718 int err;
1719
1720 guard(mutex)(&active_platform_profile_lock);
1721
1722 err = platform_profile_victus_s_set_ec(profile);
1723 if (err < 0)
1724 return err;
1725
1726 active_platform_profile = profile;
1727
1728 return 0;
1729 }
1730
platform_profile_victus_set(struct device * dev,enum platform_profile_option profile)1731 static int platform_profile_victus_set(struct device *dev,
1732 enum platform_profile_option profile)
1733 {
1734 int err;
1735
1736 guard(mutex)(&active_platform_profile_lock);
1737
1738 err = platform_profile_victus_set_ec(profile);
1739 if (err < 0)
1740 return err;
1741
1742 active_platform_profile = profile;
1743
1744 return 0;
1745 }
1746
hp_wmi_platform_profile_probe(void * drvdata,unsigned long * choices)1747 static int hp_wmi_platform_profile_probe(void *drvdata, unsigned long *choices)
1748 {
1749 if (is_omen_thermal_profile()) {
1750 set_bit(PLATFORM_PROFILE_COOL, choices);
1751 } else if (is_victus_thermal_profile()) {
1752 set_bit(PLATFORM_PROFILE_QUIET, choices);
1753 } else if (is_victus_s_thermal_profile()) {
1754 /* Adding an equivalent to HP Omen software ECO mode: */
1755 set_bit(PLATFORM_PROFILE_LOW_POWER, choices);
1756 } else {
1757 set_bit(PLATFORM_PROFILE_QUIET, choices);
1758 set_bit(PLATFORM_PROFILE_COOL, choices);
1759 }
1760
1761 set_bit(PLATFORM_PROFILE_BALANCED, choices);
1762 set_bit(PLATFORM_PROFILE_PERFORMANCE, choices);
1763
1764 return 0;
1765 }
1766
omen_powersource_event(struct notifier_block * nb,unsigned long value,void * data)1767 static int omen_powersource_event(struct notifier_block *nb,
1768 unsigned long value,
1769 void *data)
1770 {
1771 struct acpi_bus_event *event_entry = data;
1772 enum platform_profile_option actual_profile;
1773 int err;
1774
1775 if (strcmp(event_entry->device_class, ACPI_AC_CLASS) != 0)
1776 return NOTIFY_DONE;
1777
1778 pr_debug("Received power source device event\n");
1779
1780 guard(mutex)(&active_platform_profile_lock);
1781
1782 /*
1783 * This handler can only be called on Omen and Victus models, so
1784 * there's no need to call is_victus_thermal_profile() here.
1785 */
1786 if (is_omen_thermal_profile())
1787 err = platform_profile_omen_get_ec(&actual_profile);
1788 else
1789 err = platform_profile_victus_get_ec(&actual_profile);
1790
1791 if (err < 0) {
1792 /*
1793 * Although we failed to get the current platform profile, we
1794 * still want the other event consumers to process it.
1795 */
1796 pr_warn("Failed to read current platform profile (%d)\n", err);
1797 return NOTIFY_DONE;
1798 }
1799
1800 /*
1801 * If we're back on AC and that the user-chosen power profile is
1802 * different from what the EC reports, we restore the user-chosen
1803 * one.
1804 */
1805 if (power_supply_is_system_supplied() <= 0 ||
1806 active_platform_profile == actual_profile) {
1807 pr_debug("Platform profile update skipped, conditions unmet\n");
1808 return NOTIFY_DONE;
1809 }
1810
1811 if (is_omen_thermal_profile())
1812 err = platform_profile_omen_set_ec(active_platform_profile);
1813 else
1814 err = platform_profile_victus_set_ec(active_platform_profile);
1815
1816 if (err < 0) {
1817 pr_warn("Failed to restore platform profile (%d)\n", err);
1818 return NOTIFY_DONE;
1819 }
1820
1821 return NOTIFY_OK;
1822 }
1823
victus_s_powersource_event(struct notifier_block * nb,unsigned long value,void * data)1824 static int victus_s_powersource_event(struct notifier_block *nb,
1825 unsigned long value,
1826 void *data)
1827 {
1828 struct acpi_bus_event *event_entry = data;
1829 int err;
1830
1831 if (strcmp(event_entry->device_class, ACPI_AC_CLASS) != 0)
1832 return NOTIFY_DONE;
1833
1834 pr_debug("Received power source device event\n");
1835
1836 /*
1837 * Switching to battery power source while Performance mode is active
1838 * needs manual triggering of CPU power limits. Same goes when switching
1839 * to AC power source while Performance mode is active. Other modes
1840 * however are automatically behaving without any manual action.
1841 * Seen on HP 16-s1034nf (board 8C9C) with F.11 and F.13 BIOS versions.
1842 */
1843
1844 if (active_platform_profile == PLATFORM_PROFILE_PERFORMANCE) {
1845 pr_debug("Triggering CPU PL1/PL2 actualization\n");
1846 err = victus_s_set_cpu_pl1_pl2(HP_POWER_LIMIT_DEFAULT,
1847 HP_POWER_LIMIT_DEFAULT);
1848 if (err)
1849 pr_warn("Failed to actualize power limits: %d\n", err);
1850
1851 return NOTIFY_DONE;
1852 }
1853
1854 return NOTIFY_OK;
1855 }
1856
omen_register_powersource_event_handler(void)1857 static int omen_register_powersource_event_handler(void)
1858 {
1859 int err;
1860
1861 platform_power_source_nb.notifier_call = omen_powersource_event;
1862 err = register_acpi_notifier(&platform_power_source_nb);
1863
1864 if (err < 0) {
1865 pr_warn("Failed to install ACPI power source notify handler\n");
1866 return err;
1867 }
1868
1869 return 0;
1870 }
1871
victus_s_register_powersource_event_handler(void)1872 static int victus_s_register_powersource_event_handler(void)
1873 {
1874 int err;
1875
1876 platform_power_source_nb.notifier_call = victus_s_powersource_event;
1877 err = register_acpi_notifier(&platform_power_source_nb);
1878 if (err < 0) {
1879 pr_warn("Failed to install ACPI power source notify handler\n");
1880 return err;
1881 }
1882
1883 return 0;
1884 }
1885
omen_unregister_powersource_event_handler(void)1886 static inline void omen_unregister_powersource_event_handler(void)
1887 {
1888 unregister_acpi_notifier(&platform_power_source_nb);
1889 }
1890
victus_s_unregister_powersource_event_handler(void)1891 static inline void victus_s_unregister_powersource_event_handler(void)
1892 {
1893 unregister_acpi_notifier(&platform_power_source_nb);
1894 }
1895
1896 static const struct platform_profile_ops platform_profile_omen_ops = {
1897 .probe = hp_wmi_platform_profile_probe,
1898 .profile_get = platform_profile_omen_get,
1899 .profile_set = platform_profile_omen_set,
1900 };
1901
1902 static const struct platform_profile_ops platform_profile_victus_ops = {
1903 .probe = hp_wmi_platform_profile_probe,
1904 .profile_get = platform_profile_victus_get,
1905 .profile_set = platform_profile_victus_set,
1906 };
1907
1908 static const struct platform_profile_ops platform_profile_victus_s_ops = {
1909 .probe = hp_wmi_platform_profile_probe,
1910 .profile_get = platform_profile_omen_get,
1911 .profile_set = platform_profile_victus_s_set,
1912 };
1913
1914 static const struct platform_profile_ops hp_wmi_platform_profile_ops = {
1915 .probe = hp_wmi_platform_profile_probe,
1916 .profile_get = hp_wmi_platform_profile_get,
1917 .profile_set = hp_wmi_platform_profile_set,
1918 };
1919
thermal_profile_setup(struct platform_device * device)1920 static int thermal_profile_setup(struct platform_device *device)
1921 {
1922 const struct platform_profile_ops *ops;
1923 int err, tp;
1924
1925 if (is_omen_thermal_profile()) {
1926 err = platform_profile_omen_get_ec(&active_platform_profile);
1927 if (err < 0)
1928 return err;
1929
1930 /*
1931 * call thermal profile write command to ensure that the
1932 * firmware correctly sets the OEM variables
1933 */
1934 err = platform_profile_omen_set_ec(active_platform_profile);
1935 if (err < 0)
1936 return err;
1937
1938 ops = &platform_profile_omen_ops;
1939 } else if (is_victus_thermal_profile()) {
1940 err = platform_profile_victus_get_ec(&active_platform_profile);
1941 if (err < 0)
1942 return err;
1943
1944 /*
1945 * call thermal profile write command to ensure that the
1946 * firmware correctly sets the OEM variables
1947 */
1948 err = platform_profile_victus_set_ec(active_platform_profile);
1949 if (err < 0)
1950 return err;
1951
1952 ops = &platform_profile_victus_ops;
1953 } else if (is_victus_s_thermal_profile()) {
1954 /*
1955 * Being unable to retrieve laptop's current thermal profile,
1956 * during this setup, we set it to Balanced by default.
1957 */
1958 active_platform_profile = PLATFORM_PROFILE_BALANCED;
1959
1960 err = platform_profile_victus_s_set_ec(active_platform_profile);
1961 if (err < 0)
1962 return err;
1963
1964 ops = &platform_profile_victus_s_ops;
1965 } else {
1966 tp = thermal_profile_get();
1967
1968 if (tp < 0)
1969 return tp;
1970
1971 /*
1972 * call thermal profile write command to ensure that the
1973 * firmware correctly sets the OEM variables for the DPTF
1974 */
1975 err = thermal_profile_set(tp);
1976 if (err)
1977 return err;
1978
1979 ops = &hp_wmi_platform_profile_ops;
1980 }
1981
1982 platform_profile_device = devm_platform_profile_register(&device->dev, "hp-wmi",
1983 NULL, ops);
1984 if (IS_ERR(platform_profile_device))
1985 return PTR_ERR(platform_profile_device);
1986
1987 pr_info("Registered as platform profile handler\n");
1988 platform_profile_support = true;
1989
1990 return 0;
1991 }
1992
1993 static int hp_wmi_hwmon_init(void);
1994
hp_wmi_bios_setup(struct platform_device * device)1995 static int __init hp_wmi_bios_setup(struct platform_device *device)
1996 {
1997 int err;
1998 /* clear detected rfkill devices */
1999 wifi_rfkill = NULL;
2000 bluetooth_rfkill = NULL;
2001 wwan_rfkill = NULL;
2002 rfkill2_count = 0;
2003
2004 /*
2005 * In pre-2009 BIOS, command 1Bh return 0x4 to indicate that
2006 * BIOS no longer controls the power for the wireless
2007 * devices. All features supported by this command will no
2008 * longer be supported.
2009 */
2010 if (!hp_wmi_bios_2009_later()) {
2011 if (hp_wmi_rfkill_setup(device))
2012 hp_wmi_rfkill2_setup(device);
2013 }
2014
2015 err = hp_wmi_hwmon_init();
2016
2017 if (err < 0)
2018 return err;
2019
2020 thermal_profile_setup(device);
2021
2022 return 0;
2023 }
2024
hp_wmi_bios_remove(struct platform_device * device)2025 static void __exit hp_wmi_bios_remove(struct platform_device *device)
2026 {
2027 int i;
2028
2029 for (i = 0; i < rfkill2_count; i++) {
2030 rfkill_unregister(rfkill2[i].rfkill);
2031 rfkill_destroy(rfkill2[i].rfkill);
2032 }
2033
2034 if (wifi_rfkill) {
2035 rfkill_unregister(wifi_rfkill);
2036 rfkill_destroy(wifi_rfkill);
2037 }
2038 if (bluetooth_rfkill) {
2039 rfkill_unregister(bluetooth_rfkill);
2040 rfkill_destroy(bluetooth_rfkill);
2041 }
2042 if (wwan_rfkill) {
2043 rfkill_unregister(wwan_rfkill);
2044 rfkill_destroy(wwan_rfkill);
2045 }
2046 }
2047
hp_wmi_resume_handler(struct device * device)2048 static int hp_wmi_resume_handler(struct device *device)
2049 {
2050 /*
2051 * Hardware state may have changed while suspended, so trigger
2052 * input events for the current state. As this is a switch,
2053 * the input layer will only actually pass it on if the state
2054 * changed.
2055 */
2056 if (hp_wmi_input_dev) {
2057 if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
2058 input_report_switch(hp_wmi_input_dev, SW_DOCK,
2059 hp_wmi_get_dock_state());
2060 if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
2061 input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
2062 hp_wmi_get_tablet_mode());
2063 input_sync(hp_wmi_input_dev);
2064 }
2065
2066 if (rfkill2_count)
2067 hp_wmi_rfkill2_refresh();
2068
2069 if (wifi_rfkill)
2070 rfkill_set_states(wifi_rfkill,
2071 hp_wmi_get_sw_state(HPWMI_WIFI),
2072 hp_wmi_get_hw_state(HPWMI_WIFI));
2073 if (bluetooth_rfkill)
2074 rfkill_set_states(bluetooth_rfkill,
2075 hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
2076 hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
2077 if (wwan_rfkill)
2078 rfkill_set_states(wwan_rfkill,
2079 hp_wmi_get_sw_state(HPWMI_WWAN),
2080 hp_wmi_get_hw_state(HPWMI_WWAN));
2081
2082 return 0;
2083 }
2084
2085 static const struct dev_pm_ops hp_wmi_pm_ops = {
2086 .resume = hp_wmi_resume_handler,
2087 .restore = hp_wmi_resume_handler,
2088 };
2089
2090 /*
2091 * hp_wmi_bios_remove() lives in .exit.text. For drivers registered via
2092 * module_platform_driver_probe() this is ok because they cannot get unbound at
2093 * runtime. So mark the driver struct with __refdata to prevent modpost
2094 * triggering a section mismatch warning.
2095 */
2096 static struct platform_driver hp_wmi_driver __refdata = {
2097 .driver = {
2098 .name = "hp-wmi",
2099 .pm = &hp_wmi_pm_ops,
2100 .dev_groups = hp_wmi_groups,
2101 },
2102 .remove = __exit_p(hp_wmi_bios_remove),
2103 };
2104
hp_wmi_hwmon_is_visible(const void * data,enum hwmon_sensor_types type,u32 attr,int channel)2105 static umode_t hp_wmi_hwmon_is_visible(const void *data,
2106 enum hwmon_sensor_types type,
2107 u32 attr, int channel)
2108 {
2109 switch (type) {
2110 case hwmon_pwm:
2111 return 0644;
2112 case hwmon_fan:
2113 if (is_victus_s_thermal_profile()) {
2114 if (hp_wmi_get_fan_speed_victus_s(channel) >= 0)
2115 return 0444;
2116 } else {
2117 if (hp_wmi_get_fan_speed(channel) >= 0)
2118 return 0444;
2119 }
2120 break;
2121 default:
2122 return 0;
2123 }
2124
2125 return 0;
2126 }
2127
hp_wmi_hwmon_read(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long * val)2128 static int hp_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2129 u32 attr, int channel, long *val)
2130 {
2131 int ret;
2132
2133 switch (type) {
2134 case hwmon_fan:
2135 if (is_victus_s_thermal_profile())
2136 ret = hp_wmi_get_fan_speed_victus_s(channel);
2137 else
2138 ret = hp_wmi_get_fan_speed(channel);
2139 if (ret < 0)
2140 return ret;
2141 *val = ret;
2142 return 0;
2143 case hwmon_pwm:
2144 switch (hp_wmi_fan_speed_max_get()) {
2145 case 0:
2146 /* 0 is automatic fan, which is 2 for hwmon */
2147 *val = 2;
2148 return 0;
2149 case 1:
2150 /* 1 is max fan, which is 0
2151 * (no fan speed control) for hwmon
2152 */
2153 *val = 0;
2154 return 0;
2155 default:
2156 /* shouldn't happen */
2157 return -ENODATA;
2158 }
2159 default:
2160 return -EINVAL;
2161 }
2162 }
2163
hp_wmi_hwmon_write(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long val)2164 static int hp_wmi_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
2165 u32 attr, int channel, long val)
2166 {
2167 switch (type) {
2168 case hwmon_pwm:
2169 switch (val) {
2170 case 0:
2171 if (is_victus_s_thermal_profile())
2172 hp_wmi_get_fan_count_userdefine_trigger();
2173 /* 0 is no fan speed control (max), which is 1 for us */
2174 return hp_wmi_fan_speed_max_set(1);
2175 case 2:
2176 /* 2 is automatic speed control, which is 0 for us */
2177 if (is_victus_s_thermal_profile()) {
2178 hp_wmi_get_fan_count_userdefine_trigger();
2179 return hp_wmi_fan_speed_max_reset();
2180 } else
2181 return hp_wmi_fan_speed_max_set(0);
2182 default:
2183 /* we don't support manual fan speed control */
2184 return -EINVAL;
2185 }
2186 default:
2187 return -EOPNOTSUPP;
2188 }
2189 }
2190
2191 static const struct hwmon_channel_info * const info[] = {
2192 HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT, HWMON_F_INPUT),
2193 HWMON_CHANNEL_INFO(pwm, HWMON_PWM_ENABLE),
2194 NULL
2195 };
2196
2197 static const struct hwmon_ops ops = {
2198 .is_visible = hp_wmi_hwmon_is_visible,
2199 .read = hp_wmi_hwmon_read,
2200 .write = hp_wmi_hwmon_write,
2201 };
2202
2203 static const struct hwmon_chip_info chip_info = {
2204 .ops = &ops,
2205 .info = info,
2206 };
2207
hp_wmi_hwmon_init(void)2208 static int hp_wmi_hwmon_init(void)
2209 {
2210 struct device *dev = &hp_wmi_platform_dev->dev;
2211 struct device *hwmon;
2212
2213 hwmon = devm_hwmon_device_register_with_info(dev, "hp", &hp_wmi_driver,
2214 &chip_info, NULL);
2215
2216 if (IS_ERR(hwmon)) {
2217 dev_err(dev, "Could not register hp hwmon device\n");
2218 return PTR_ERR(hwmon);
2219 }
2220
2221 return 0;
2222 }
2223
hp_wmi_init(void)2224 static int __init hp_wmi_init(void)
2225 {
2226 int event_capable = wmi_has_guid(HPWMI_EVENT_GUID);
2227 int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID);
2228 int err, tmp = 0;
2229
2230 if (!bios_capable && !event_capable)
2231 return -ENODEV;
2232
2233 if (hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, HPWMI_READ, &tmp,
2234 sizeof(tmp), sizeof(tmp)) == HPWMI_RET_INVALID_PARAMETERS)
2235 zero_insize_support = true;
2236
2237 if (event_capable) {
2238 err = hp_wmi_input_setup();
2239 if (err)
2240 return err;
2241 }
2242
2243 if (bios_capable) {
2244 hp_wmi_platform_dev =
2245 platform_device_register_simple("hp-wmi", PLATFORM_DEVID_NONE, NULL, 0);
2246 if (IS_ERR(hp_wmi_platform_dev)) {
2247 err = PTR_ERR(hp_wmi_platform_dev);
2248 goto err_destroy_input;
2249 }
2250
2251 err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup);
2252 if (err)
2253 goto err_unregister_device;
2254 }
2255
2256 if (is_omen_thermal_profile() || is_victus_thermal_profile()) {
2257 err = omen_register_powersource_event_handler();
2258 if (err)
2259 goto err_unregister_device;
2260 } else if (is_victus_s_thermal_profile()) {
2261 err = victus_s_register_powersource_event_handler();
2262 if (err)
2263 goto err_unregister_device;
2264 }
2265
2266 return 0;
2267
2268 err_unregister_device:
2269 platform_device_unregister(hp_wmi_platform_dev);
2270 err_destroy_input:
2271 if (event_capable)
2272 hp_wmi_input_destroy();
2273
2274 return err;
2275 }
2276 module_init(hp_wmi_init);
2277
hp_wmi_exit(void)2278 static void __exit hp_wmi_exit(void)
2279 {
2280 if (is_omen_thermal_profile() || is_victus_thermal_profile())
2281 omen_unregister_powersource_event_handler();
2282
2283 if (is_victus_s_thermal_profile())
2284 victus_s_unregister_powersource_event_handler();
2285
2286 if (wmi_has_guid(HPWMI_EVENT_GUID))
2287 hp_wmi_input_destroy();
2288
2289 if (camera_shutter_input_dev)
2290 input_unregister_device(camera_shutter_input_dev);
2291
2292 if (hp_wmi_platform_dev) {
2293 platform_device_unregister(hp_wmi_platform_dev);
2294 platform_driver_unregister(&hp_wmi_driver);
2295 }
2296 }
2297 module_exit(hp_wmi_exit);
2298