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