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