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 */ 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 */ 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 */ 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 } 470 471 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 } 488 489 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 } 505 506 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 } 518 519 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 } 528 529 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 } 554 555 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 } 572 573 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 } 584 585 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 } 608 609 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 } 620 621 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 } 633 634 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 } 644 645 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 } 657 658 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 } 670 671 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 } 681 682 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 } 692 693 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 } 701 702 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 }; 717 718 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 } 729 730 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 } 741 742 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 }; 757 758 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 } 787 788 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 } 797 798 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 } 807 808 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 } 817 818 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 } 827 828 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 } 837 838 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 } 848 849 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 } 866 867 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 } 889 890 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); 934 935 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 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 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 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 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 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 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 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 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 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 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 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 1438 static int thermal_profile_get(void) 1439 { 1440 return hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY); 1441 } 1442 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 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 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 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 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 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 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 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 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 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 */ 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 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 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 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 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 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 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 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 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 1886 static inline void omen_unregister_powersource_event_handler(void) 1887 { 1888 unregister_acpi_notifier(&platform_power_source_nb); 1889 } 1890 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 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 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 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 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 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 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 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 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 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 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