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, 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 }; 137 138 static struct input_dev *acer_wmi_input_dev; 139 static struct input_dev *acer_wmi_accel_dev; 140 141 struct 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 */ 175 struct 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; 183 184 struct func_return_value { 185 u8 error_code; /* Error Code */ 186 u8 ec_return_value; /* EC Return Value */ 187 u16 reserved; 188 } __packed; 189 190 struct 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; 196 197 struct 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; 202 203 struct 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; 209 210 struct 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 */ 239 enum 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 0 250 251 static int max_brightness = 0xF; 252 253 static int mailled = -1; 254 static int brightness = -1; 255 static int threeg = -1; 256 static int force_series; 257 static int force_caps = -1; 258 static bool ec_raw_mode; 259 static bool has_type_aa; 260 static u16 commun_func_bitmap; 261 static u8 commun_fn_key_number; 262 263 module_param(mailled, int, 0444); 264 module_param(brightness, int, 0444); 265 module_param(threeg, int, 0444); 266 module_param(force_series, int, 0444); 267 module_param(force_caps, int, 0444); 268 module_param(ec_raw_mode, bool, 0444); 269 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); 270 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); 271 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); 272 MODULE_PARM_DESC(force_series, "Force a different laptop series"); 273 MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value"); 274 MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode"); 275 276 struct acer_data { 277 int mailled; 278 int threeg; 279 int brightness; 280 }; 281 282 struct acer_debug { 283 struct dentry *root; 284 u32 wmid_devices; 285 }; 286 287 static struct rfkill *wireless_rfkill; 288 static struct rfkill *bluetooth_rfkill; 289 static struct rfkill *threeg_rfkill; 290 static bool rfkill_inited; 291 292 /* Each low-level interface must define at least some of the following */ 293 struct 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 */ 308 static 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 */ 315 316 struct 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 }; 325 326 static struct quirk_entry *quirks; 327 328 static 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 } 340 341 static int __init dmi_matched(const struct dmi_system_id *dmi) 342 { 343 quirks = dmi->driver_data; 344 return 1; 345 } 346 347 static 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 } 355 356 static struct quirk_entry quirk_unknown = { 357 }; 358 359 static struct quirk_entry quirk_acer_aspire_1520 = { 360 .brightness = -1, 361 }; 362 363 static struct quirk_entry quirk_acer_travelmate_2490 = { 364 .mailled = 1, 365 }; 366 367 static 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 */ 374 static struct quirk_entry quirk_medion_md_98300 = { 375 .wireless = 1, 376 }; 377 378 static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { 379 .wireless = 2, 380 }; 381 382 static struct quirk_entry quirk_lenovo_ideapad_s205 = { 383 .wireless = 3, 384 }; 385 386 /* The Aspire One has a dummy ACPI-WMI interface - disable it */ 387 static 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 }; 404 405 static 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 */ 431 static 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 One 10 (S1003)", 570 .matches = { 571 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), 572 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"), 573 }, 574 .driver_data = (void *)ACER_CAP_KBD_DOCK, 575 }, 576 {} 577 }; 578 579 /* 580 * This quirk list is for those non-acer machines that have AMW0_GUID1 581 * but supported by acer-wmi in past days. Keeping this quirk list here 582 * is only for backward compatible. Please do not add new machine to 583 * here anymore. Those non-acer machines should be supported by 584 * appropriate wmi drivers. 585 */ 586 static const struct dmi_system_id non_acer_quirks[] __initconst = { 587 { 588 .callback = dmi_matched, 589 .ident = "Fujitsu Siemens Amilo Li 1718", 590 .matches = { 591 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), 592 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), 593 }, 594 .driver_data = &quirk_fujitsu_amilo_li_1718, 595 }, 596 { 597 .callback = dmi_matched, 598 .ident = "Medion MD 98300", 599 .matches = { 600 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), 601 DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), 602 }, 603 .driver_data = &quirk_medion_md_98300, 604 }, 605 { 606 .callback = dmi_matched, 607 .ident = "Lenovo Ideapad S205", 608 .matches = { 609 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 610 DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"), 611 }, 612 .driver_data = &quirk_lenovo_ideapad_s205, 613 }, 614 { 615 .callback = dmi_matched, 616 .ident = "Lenovo Ideapad S205 (Brazos)", 617 .matches = { 618 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 619 DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"), 620 }, 621 .driver_data = &quirk_lenovo_ideapad_s205, 622 }, 623 { 624 .callback = dmi_matched, 625 .ident = "Lenovo 3000 N200", 626 .matches = { 627 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 628 DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"), 629 }, 630 .driver_data = &quirk_fujitsu_amilo_li_1718, 631 }, 632 { 633 .callback = dmi_matched, 634 .ident = "Lenovo Ideapad S205-10382JG", 635 .matches = { 636 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 637 DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"), 638 }, 639 .driver_data = &quirk_lenovo_ideapad_s205, 640 }, 641 { 642 .callback = dmi_matched, 643 .ident = "Lenovo Ideapad S205-1038DPG", 644 .matches = { 645 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), 646 DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"), 647 }, 648 .driver_data = &quirk_lenovo_ideapad_s205, 649 }, 650 {} 651 }; 652 653 /* Find which quirks are needed for a particular vendor/ model pair */ 654 static void __init find_quirks(void) 655 { 656 if (!force_series) { 657 dmi_check_system(acer_quirks); 658 dmi_check_system(non_acer_quirks); 659 } else if (force_series == 2490) { 660 quirks = &quirk_acer_travelmate_2490; 661 } 662 663 if (quirks == NULL) 664 quirks = &quirk_unknown; 665 } 666 667 /* 668 * General interface convenience methods 669 */ 670 671 static bool has_cap(u32 cap) 672 { 673 return interface->capability & cap; 674 } 675 676 /* 677 * AMW0 (V1) interface 678 */ 679 struct wmab_args { 680 u32 eax; 681 u32 ebx; 682 u32 ecx; 683 u32 edx; 684 }; 685 686 struct wmab_ret { 687 u32 eax; 688 u32 ebx; 689 u32 ecx; 690 u32 edx; 691 u32 eex; 692 }; 693 694 static acpi_status wmab_execute(struct wmab_args *regbuf, 695 struct acpi_buffer *result) 696 { 697 struct acpi_buffer input; 698 acpi_status status; 699 input.length = sizeof(struct wmab_args); 700 input.pointer = (u8 *)regbuf; 701 702 status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result); 703 704 return status; 705 } 706 707 static acpi_status AMW0_get_u32(u32 *value, u32 cap) 708 { 709 int err; 710 u8 result; 711 712 switch (cap) { 713 case ACER_CAP_MAILLED: 714 switch (quirks->mailled) { 715 default: 716 err = ec_read(0xA, &result); 717 if (err) 718 return AE_ERROR; 719 *value = (result >> 7) & 0x1; 720 return AE_OK; 721 } 722 break; 723 case ACER_CAP_WIRELESS: 724 switch (quirks->wireless) { 725 case 1: 726 err = ec_read(0x7B, &result); 727 if (err) 728 return AE_ERROR; 729 *value = result & 0x1; 730 return AE_OK; 731 case 2: 732 err = ec_read(0x71, &result); 733 if (err) 734 return AE_ERROR; 735 *value = result & 0x1; 736 return AE_OK; 737 case 3: 738 err = ec_read(0x78, &result); 739 if (err) 740 return AE_ERROR; 741 *value = result & 0x1; 742 return AE_OK; 743 default: 744 err = ec_read(0xA, &result); 745 if (err) 746 return AE_ERROR; 747 *value = (result >> 2) & 0x1; 748 return AE_OK; 749 } 750 break; 751 case ACER_CAP_BLUETOOTH: 752 switch (quirks->bluetooth) { 753 default: 754 err = ec_read(0xA, &result); 755 if (err) 756 return AE_ERROR; 757 *value = (result >> 4) & 0x1; 758 return AE_OK; 759 } 760 break; 761 case ACER_CAP_BRIGHTNESS: 762 switch (quirks->brightness) { 763 default: 764 err = ec_read(0x83, &result); 765 if (err) 766 return AE_ERROR; 767 *value = result; 768 return AE_OK; 769 } 770 break; 771 default: 772 return AE_ERROR; 773 } 774 return AE_OK; 775 } 776 777 static acpi_status AMW0_set_u32(u32 value, u32 cap) 778 { 779 struct wmab_args args; 780 781 args.eax = ACER_AMW0_WRITE; 782 args.ebx = value ? (1<<8) : 0; 783 args.ecx = args.edx = 0; 784 785 switch (cap) { 786 case ACER_CAP_MAILLED: 787 if (value > 1) 788 return AE_BAD_PARAMETER; 789 args.ebx |= ACER_AMW0_MAILLED_MASK; 790 break; 791 case ACER_CAP_WIRELESS: 792 if (value > 1) 793 return AE_BAD_PARAMETER; 794 args.ebx |= ACER_AMW0_WIRELESS_MASK; 795 break; 796 case ACER_CAP_BLUETOOTH: 797 if (value > 1) 798 return AE_BAD_PARAMETER; 799 args.ebx |= ACER_AMW0_BLUETOOTH_MASK; 800 break; 801 case ACER_CAP_BRIGHTNESS: 802 if (value > max_brightness) 803 return AE_BAD_PARAMETER; 804 switch (quirks->brightness) { 805 default: 806 return ec_write(0x83, value); 807 } 808 default: 809 return AE_ERROR; 810 } 811 812 /* Actually do the set */ 813 return wmab_execute(&args, NULL); 814 } 815 816 static acpi_status __init AMW0_find_mailled(void) 817 { 818 struct wmab_args args; 819 struct wmab_ret ret; 820 acpi_status status = AE_OK; 821 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; 822 union acpi_object *obj; 823 824 args.eax = 0x86; 825 args.ebx = args.ecx = args.edx = 0; 826 827 status = wmab_execute(&args, &out); 828 if (ACPI_FAILURE(status)) 829 return status; 830 831 obj = (union acpi_object *) out.pointer; 832 if (obj && obj->type == ACPI_TYPE_BUFFER && 833 obj->buffer.length == sizeof(struct wmab_ret)) { 834 ret = *((struct wmab_ret *) obj->buffer.pointer); 835 } else { 836 kfree(out.pointer); 837 return AE_ERROR; 838 } 839 840 if (ret.eex & 0x1) 841 interface->capability |= ACER_CAP_MAILLED; 842 843 kfree(out.pointer); 844 845 return AE_OK; 846 } 847 848 static const struct acpi_device_id norfkill_ids[] __initconst = { 849 { "VPC2004", 0}, 850 { "IBM0068", 0}, 851 { "LEN0068", 0}, 852 { "SNY5001", 0}, /* sony-laptop in charge */ 853 { "HPQ6601", 0}, 854 { "", 0}, 855 }; 856 857 static int __init AMW0_set_cap_acpi_check_device(void) 858 { 859 const struct acpi_device_id *id; 860 861 for (id = norfkill_ids; id->id[0]; id++) 862 if (acpi_dev_found(id->id)) 863 return true; 864 865 return false; 866 } 867 868 static acpi_status __init AMW0_set_capabilities(void) 869 { 870 struct wmab_args args; 871 struct wmab_ret ret; 872 acpi_status status; 873 struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; 874 union acpi_object *obj; 875 876 /* 877 * On laptops with this strange GUID (non Acer), normal probing doesn't 878 * work. 879 */ 880 if (wmi_has_guid(AMW0_GUID2)) { 881 if ((quirks != &quirk_unknown) || 882 !AMW0_set_cap_acpi_check_device()) 883 interface->capability |= ACER_CAP_WIRELESS; 884 return AE_OK; 885 } 886 887 args.eax = ACER_AMW0_WRITE; 888 args.ecx = args.edx = 0; 889 890 args.ebx = 0xa2 << 8; 891 args.ebx |= ACER_AMW0_WIRELESS_MASK; 892 893 status = wmab_execute(&args, &out); 894 if (ACPI_FAILURE(status)) 895 return status; 896 897 obj = out.pointer; 898 if (obj && obj->type == ACPI_TYPE_BUFFER && 899 obj->buffer.length == sizeof(struct wmab_ret)) { 900 ret = *((struct wmab_ret *) obj->buffer.pointer); 901 } else { 902 status = AE_ERROR; 903 goto out; 904 } 905 906 if (ret.eax & 0x1) 907 interface->capability |= ACER_CAP_WIRELESS; 908 909 args.ebx = 2 << 8; 910 args.ebx |= ACER_AMW0_BLUETOOTH_MASK; 911 912 /* 913 * It's ok to use existing buffer for next wmab_execute call. 914 * But we need to kfree(out.pointer) if next wmab_execute fail. 915 */ 916 status = wmab_execute(&args, &out); 917 if (ACPI_FAILURE(status)) 918 goto out; 919 920 obj = (union acpi_object *) out.pointer; 921 if (obj && obj->type == ACPI_TYPE_BUFFER 922 && obj->buffer.length == sizeof(struct wmab_ret)) { 923 ret = *((struct wmab_ret *) obj->buffer.pointer); 924 } else { 925 status = AE_ERROR; 926 goto out; 927 } 928 929 if (ret.eax & 0x1) 930 interface->capability |= ACER_CAP_BLUETOOTH; 931 932 /* 933 * This appears to be safe to enable, since all Wistron based laptops 934 * appear to use the same EC register for brightness, even if they 935 * differ for wireless, etc 936 */ 937 if (quirks->brightness >= 0) 938 interface->capability |= ACER_CAP_BRIGHTNESS; 939 940 status = AE_OK; 941 out: 942 kfree(out.pointer); 943 return status; 944 } 945 946 static struct wmi_interface AMW0_interface = { 947 .type = ACER_AMW0, 948 }; 949 950 static struct wmi_interface AMW0_V2_interface = { 951 .type = ACER_AMW0_V2, 952 }; 953 954 /* 955 * New interface (The WMID interface) 956 */ 957 static acpi_status 958 WMI_execute_u32(u32 method_id, u32 in, u32 *out) 959 { 960 struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; 961 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; 962 union acpi_object *obj; 963 u32 tmp = 0; 964 acpi_status status; 965 966 status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result); 967 968 if (ACPI_FAILURE(status)) 969 return status; 970 971 obj = (union acpi_object *) result.pointer; 972 if (obj) { 973 if (obj->type == ACPI_TYPE_BUFFER && 974 (obj->buffer.length == sizeof(u32) || 975 obj->buffer.length == sizeof(u64))) { 976 tmp = *((u32 *) obj->buffer.pointer); 977 } else if (obj->type == ACPI_TYPE_INTEGER) { 978 tmp = (u32) obj->integer.value; 979 } 980 } 981 982 if (out) 983 *out = tmp; 984 985 kfree(result.pointer); 986 987 return status; 988 } 989 990 static acpi_status WMID_get_u32(u32 *value, u32 cap) 991 { 992 acpi_status status; 993 u8 tmp; 994 u32 result, method_id = 0; 995 996 switch (cap) { 997 case ACER_CAP_WIRELESS: 998 method_id = ACER_WMID_GET_WIRELESS_METHODID; 999 break; 1000 case ACER_CAP_BLUETOOTH: 1001 method_id = ACER_WMID_GET_BLUETOOTH_METHODID; 1002 break; 1003 case ACER_CAP_BRIGHTNESS: 1004 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; 1005 break; 1006 case ACER_CAP_THREEG: 1007 method_id = ACER_WMID_GET_THREEG_METHODID; 1008 break; 1009 case ACER_CAP_MAILLED: 1010 if (quirks->mailled == 1) { 1011 ec_read(0x9f, &tmp); 1012 *value = tmp & 0x1; 1013 return 0; 1014 } 1015 fallthrough; 1016 default: 1017 return AE_ERROR; 1018 } 1019 status = WMI_execute_u32(method_id, 0, &result); 1020 1021 if (ACPI_SUCCESS(status)) 1022 *value = (u8)result; 1023 1024 return status; 1025 } 1026 1027 static acpi_status WMID_set_u32(u32 value, u32 cap) 1028 { 1029 u32 method_id = 0; 1030 char param; 1031 1032 switch (cap) { 1033 case ACER_CAP_BRIGHTNESS: 1034 if (value > max_brightness) 1035 return AE_BAD_PARAMETER; 1036 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; 1037 break; 1038 case ACER_CAP_WIRELESS: 1039 if (value > 1) 1040 return AE_BAD_PARAMETER; 1041 method_id = ACER_WMID_SET_WIRELESS_METHODID; 1042 break; 1043 case ACER_CAP_BLUETOOTH: 1044 if (value > 1) 1045 return AE_BAD_PARAMETER; 1046 method_id = ACER_WMID_SET_BLUETOOTH_METHODID; 1047 break; 1048 case ACER_CAP_THREEG: 1049 if (value > 1) 1050 return AE_BAD_PARAMETER; 1051 method_id = ACER_WMID_SET_THREEG_METHODID; 1052 break; 1053 case ACER_CAP_MAILLED: 1054 if (value > 1) 1055 return AE_BAD_PARAMETER; 1056 if (quirks->mailled == 1) { 1057 param = value ? 0x92 : 0x93; 1058 i8042_lock_chip(); 1059 i8042_command(¶m, 0x1059); 1060 i8042_unlock_chip(); 1061 return 0; 1062 } 1063 break; 1064 default: 1065 return AE_ERROR; 1066 } 1067 return WMI_execute_u32(method_id, (u32)value, NULL); 1068 } 1069 1070 static acpi_status wmid3_get_device_status(u32 *value, u16 device) 1071 { 1072 struct wmid3_gds_return_value return_value; 1073 acpi_status status; 1074 union acpi_object *obj; 1075 struct wmid3_gds_get_input_param params = { 1076 .function_num = 0x1, 1077 .hotkey_number = commun_fn_key_number, 1078 .devices = device, 1079 }; 1080 struct acpi_buffer input = { 1081 sizeof(struct wmid3_gds_get_input_param), 1082 ¶ms 1083 }; 1084 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 1085 1086 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); 1087 if (ACPI_FAILURE(status)) 1088 return status; 1089 1090 obj = output.pointer; 1091 1092 if (!obj) 1093 return AE_ERROR; 1094 else if (obj->type != ACPI_TYPE_BUFFER) { 1095 kfree(obj); 1096 return AE_ERROR; 1097 } 1098 if (obj->buffer.length != 8) { 1099 pr_warn("Unknown buffer length %d\n", obj->buffer.length); 1100 kfree(obj); 1101 return AE_ERROR; 1102 } 1103 1104 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); 1105 kfree(obj); 1106 1107 if (return_value.error_code || return_value.ec_return_value) 1108 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n", 1109 device, 1110 return_value.error_code, 1111 return_value.ec_return_value); 1112 else 1113 *value = !!(return_value.devices & device); 1114 1115 return status; 1116 } 1117 1118 static acpi_status wmid_v2_get_u32(u32 *value, u32 cap) 1119 { 1120 u16 device; 1121 1122 switch (cap) { 1123 case ACER_CAP_WIRELESS: 1124 device = ACER_WMID3_GDS_WIRELESS; 1125 break; 1126 case ACER_CAP_BLUETOOTH: 1127 device = ACER_WMID3_GDS_BLUETOOTH; 1128 break; 1129 case ACER_CAP_THREEG: 1130 device = ACER_WMID3_GDS_THREEG; 1131 break; 1132 default: 1133 return AE_ERROR; 1134 } 1135 return wmid3_get_device_status(value, device); 1136 } 1137 1138 static acpi_status wmid3_set_device_status(u32 value, u16 device) 1139 { 1140 struct wmid3_gds_return_value return_value; 1141 acpi_status status; 1142 union acpi_object *obj; 1143 u16 devices; 1144 struct wmid3_gds_get_input_param get_params = { 1145 .function_num = 0x1, 1146 .hotkey_number = commun_fn_key_number, 1147 .devices = commun_func_bitmap, 1148 }; 1149 struct acpi_buffer get_input = { 1150 sizeof(struct wmid3_gds_get_input_param), 1151 &get_params 1152 }; 1153 struct wmid3_gds_set_input_param set_params = { 1154 .function_num = 0x2, 1155 .hotkey_number = commun_fn_key_number, 1156 .devices = commun_func_bitmap, 1157 }; 1158 struct acpi_buffer set_input = { 1159 sizeof(struct wmid3_gds_set_input_param), 1160 &set_params 1161 }; 1162 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 1163 struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL }; 1164 1165 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output); 1166 if (ACPI_FAILURE(status)) 1167 return status; 1168 1169 obj = output.pointer; 1170 1171 if (!obj) 1172 return AE_ERROR; 1173 else if (obj->type != ACPI_TYPE_BUFFER) { 1174 kfree(obj); 1175 return AE_ERROR; 1176 } 1177 if (obj->buffer.length != 8) { 1178 pr_warn("Unknown buffer length %d\n", obj->buffer.length); 1179 kfree(obj); 1180 return AE_ERROR; 1181 } 1182 1183 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); 1184 kfree(obj); 1185 1186 if (return_value.error_code || return_value.ec_return_value) { 1187 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n", 1188 return_value.error_code, 1189 return_value.ec_return_value); 1190 return status; 1191 } 1192 1193 devices = return_value.devices; 1194 set_params.devices = (value) ? (devices | device) : (devices & ~device); 1195 1196 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2); 1197 if (ACPI_FAILURE(status)) 1198 return status; 1199 1200 obj = output2.pointer; 1201 1202 if (!obj) 1203 return AE_ERROR; 1204 else if (obj->type != ACPI_TYPE_BUFFER) { 1205 kfree(obj); 1206 return AE_ERROR; 1207 } 1208 if (obj->buffer.length != 4) { 1209 pr_warn("Unknown buffer length %d\n", obj->buffer.length); 1210 kfree(obj); 1211 return AE_ERROR; 1212 } 1213 1214 return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); 1215 kfree(obj); 1216 1217 if (return_value.error_code || return_value.ec_return_value) 1218 pr_warn("Set Device Status failed: 0x%x - 0x%x\n", 1219 return_value.error_code, 1220 return_value.ec_return_value); 1221 1222 return status; 1223 } 1224 1225 static acpi_status wmid_v2_set_u32(u32 value, u32 cap) 1226 { 1227 u16 device; 1228 1229 switch (cap) { 1230 case ACER_CAP_WIRELESS: 1231 device = ACER_WMID3_GDS_WIRELESS; 1232 break; 1233 case ACER_CAP_BLUETOOTH: 1234 device = ACER_WMID3_GDS_BLUETOOTH; 1235 break; 1236 case ACER_CAP_THREEG: 1237 device = ACER_WMID3_GDS_THREEG; 1238 break; 1239 default: 1240 return AE_ERROR; 1241 } 1242 return wmid3_set_device_status(value, device); 1243 } 1244 1245 static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d) 1246 { 1247 struct hotkey_function_type_aa *type_aa; 1248 1249 /* We are looking for OEM-specific Type AAh */ 1250 if (header->type != 0xAA) 1251 return; 1252 1253 has_type_aa = true; 1254 type_aa = (struct hotkey_function_type_aa *) header; 1255 1256 pr_info("Function bitmap for Communication Button: 0x%x\n", 1257 type_aa->commun_func_bitmap); 1258 commun_func_bitmap = type_aa->commun_func_bitmap; 1259 1260 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS) 1261 interface->capability |= ACER_CAP_WIRELESS; 1262 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG) 1263 interface->capability |= ACER_CAP_THREEG; 1264 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH) 1265 interface->capability |= ACER_CAP_BLUETOOTH; 1266 if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN) 1267 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN; 1268 1269 commun_fn_key_number = type_aa->commun_fn_key_number; 1270 } 1271 1272 static acpi_status __init WMID_set_capabilities(void) 1273 { 1274 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; 1275 union acpi_object *obj; 1276 acpi_status status; 1277 u32 devices; 1278 1279 status = wmi_query_block(WMID_GUID2, 0, &out); 1280 if (ACPI_FAILURE(status)) 1281 return status; 1282 1283 obj = (union acpi_object *) out.pointer; 1284 if (obj) { 1285 if (obj->type == ACPI_TYPE_BUFFER && 1286 (obj->buffer.length == sizeof(u32) || 1287 obj->buffer.length == sizeof(u64))) { 1288 devices = *((u32 *) obj->buffer.pointer); 1289 } else if (obj->type == ACPI_TYPE_INTEGER) { 1290 devices = (u32) obj->integer.value; 1291 } else { 1292 kfree(out.pointer); 1293 return AE_ERROR; 1294 } 1295 } else { 1296 kfree(out.pointer); 1297 return AE_ERROR; 1298 } 1299 1300 pr_info("Function bitmap for Communication Device: 0x%x\n", devices); 1301 if (devices & 0x07) 1302 interface->capability |= ACER_CAP_WIRELESS; 1303 if (devices & 0x40) 1304 interface->capability |= ACER_CAP_THREEG; 1305 if (devices & 0x10) 1306 interface->capability |= ACER_CAP_BLUETOOTH; 1307 1308 if (!(devices & 0x20)) 1309 max_brightness = 0x9; 1310 1311 kfree(out.pointer); 1312 return status; 1313 } 1314 1315 static struct wmi_interface wmid_interface = { 1316 .type = ACER_WMID, 1317 }; 1318 1319 static struct wmi_interface wmid_v2_interface = { 1320 .type = ACER_WMID_v2, 1321 }; 1322 1323 /* 1324 * WMID Gaming interface 1325 */ 1326 1327 static acpi_status 1328 WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out) 1329 { 1330 struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) }; 1331 struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; 1332 union acpi_object *obj; 1333 u32 tmp = 0; 1334 acpi_status status; 1335 1336 status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result); 1337 1338 if (ACPI_FAILURE(status)) 1339 return status; 1340 obj = (union acpi_object *) result.pointer; 1341 1342 if (obj) { 1343 if (obj->type == ACPI_TYPE_BUFFER) { 1344 if (obj->buffer.length == sizeof(u32)) 1345 tmp = *((u32 *) obj->buffer.pointer); 1346 else if (obj->buffer.length == sizeof(u64)) 1347 tmp = *((u64 *) obj->buffer.pointer); 1348 } else if (obj->type == ACPI_TYPE_INTEGER) { 1349 tmp = (u64) obj->integer.value; 1350 } 1351 } 1352 1353 if (out) 1354 *out = tmp; 1355 1356 kfree(result.pointer); 1357 1358 return status; 1359 } 1360 1361 static acpi_status WMID_gaming_set_u64(u64 value, u32 cap) 1362 { 1363 u32 method_id = 0; 1364 1365 if (!(interface->capability & cap)) 1366 return AE_BAD_PARAMETER; 1367 1368 switch (cap) { 1369 case ACER_CAP_TURBO_LED: 1370 method_id = ACER_WMID_SET_GAMING_LED_METHODID; 1371 break; 1372 case ACER_CAP_TURBO_FAN: 1373 method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR; 1374 break; 1375 case ACER_CAP_TURBO_OC: 1376 method_id = ACER_WMID_SET_GAMING_MISC_SETTING_METHODID; 1377 break; 1378 default: 1379 return AE_BAD_PARAMETER; 1380 } 1381 1382 return WMI_gaming_execute_u64(method_id, value, NULL); 1383 } 1384 1385 static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap) 1386 { 1387 acpi_status status; 1388 u64 result; 1389 u64 input; 1390 u32 method_id; 1391 1392 if (!(interface->capability & cap)) 1393 return AE_BAD_PARAMETER; 1394 1395 switch (cap) { 1396 case ACER_CAP_TURBO_LED: 1397 method_id = ACER_WMID_GET_GAMING_LED_METHODID; 1398 input = 0x1; 1399 break; 1400 default: 1401 return AE_BAD_PARAMETER; 1402 } 1403 status = WMI_gaming_execute_u64(method_id, input, &result); 1404 if (ACPI_SUCCESS(status)) 1405 *value = (u64) result; 1406 1407 return status; 1408 } 1409 1410 static void WMID_gaming_set_fan_mode(u8 fan_mode) 1411 { 1412 /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/ 1413 u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0; 1414 int i; 1415 1416 if (quirks->cpu_fans > 0) 1417 gpu_fan_config2 |= 1; 1418 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i) 1419 gpu_fan_config2 |= 1 << (i + 1); 1420 for (i = 0; i < quirks->gpu_fans; ++i) 1421 gpu_fan_config2 |= 1 << (i + 3); 1422 if (quirks->cpu_fans > 0) 1423 gpu_fan_config1 |= fan_mode; 1424 for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i) 1425 gpu_fan_config1 |= fan_mode << (2 * i + 2); 1426 for (i = 0; i < quirks->gpu_fans; ++i) 1427 gpu_fan_config1 |= fan_mode << (2 * i + 6); 1428 WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN); 1429 } 1430 1431 /* 1432 * Generic Device (interface-independent) 1433 */ 1434 1435 static acpi_status get_u32(u32 *value, u32 cap) 1436 { 1437 acpi_status status = AE_ERROR; 1438 1439 switch (interface->type) { 1440 case ACER_AMW0: 1441 status = AMW0_get_u32(value, cap); 1442 break; 1443 case ACER_AMW0_V2: 1444 if (cap == ACER_CAP_MAILLED) { 1445 status = AMW0_get_u32(value, cap); 1446 break; 1447 } 1448 fallthrough; 1449 case ACER_WMID: 1450 status = WMID_get_u32(value, cap); 1451 break; 1452 case ACER_WMID_v2: 1453 if (cap & (ACER_CAP_WIRELESS | 1454 ACER_CAP_BLUETOOTH | 1455 ACER_CAP_THREEG)) 1456 status = wmid_v2_get_u32(value, cap); 1457 else if (wmi_has_guid(WMID_GUID2)) 1458 status = WMID_get_u32(value, cap); 1459 break; 1460 } 1461 1462 return status; 1463 } 1464 1465 static acpi_status set_u32(u32 value, u32 cap) 1466 { 1467 acpi_status status; 1468 1469 if (interface->capability & cap) { 1470 switch (interface->type) { 1471 case ACER_AMW0: 1472 return AMW0_set_u32(value, cap); 1473 case ACER_AMW0_V2: 1474 if (cap == ACER_CAP_MAILLED) 1475 return AMW0_set_u32(value, cap); 1476 1477 /* 1478 * On some models, some WMID methods don't toggle 1479 * properly. For those cases, we want to run the AMW0 1480 * method afterwards to be certain we've really toggled 1481 * the device state. 1482 */ 1483 if (cap == ACER_CAP_WIRELESS || 1484 cap == ACER_CAP_BLUETOOTH) { 1485 status = WMID_set_u32(value, cap); 1486 if (ACPI_FAILURE(status)) 1487 return status; 1488 1489 return AMW0_set_u32(value, cap); 1490 } 1491 fallthrough; 1492 case ACER_WMID: 1493 return WMID_set_u32(value, cap); 1494 case ACER_WMID_v2: 1495 if (cap & (ACER_CAP_WIRELESS | 1496 ACER_CAP_BLUETOOTH | 1497 ACER_CAP_THREEG)) 1498 return wmid_v2_set_u32(value, cap); 1499 else if (wmi_has_guid(WMID_GUID2)) 1500 return WMID_set_u32(value, cap); 1501 fallthrough; 1502 default: 1503 return AE_BAD_PARAMETER; 1504 } 1505 } 1506 return AE_BAD_PARAMETER; 1507 } 1508 1509 static void __init acer_commandline_init(void) 1510 { 1511 /* 1512 * These will all fail silently if the value given is invalid, or the 1513 * capability isn't available on the given interface 1514 */ 1515 if (mailled >= 0) 1516 set_u32(mailled, ACER_CAP_MAILLED); 1517 if (!has_type_aa && threeg >= 0) 1518 set_u32(threeg, ACER_CAP_THREEG); 1519 if (brightness >= 0) 1520 set_u32(brightness, ACER_CAP_BRIGHTNESS); 1521 } 1522 1523 /* 1524 * LED device (Mail LED only, no other LEDs known yet) 1525 */ 1526 static void mail_led_set(struct led_classdev *led_cdev, 1527 enum led_brightness value) 1528 { 1529 set_u32(value, ACER_CAP_MAILLED); 1530 } 1531 1532 static struct led_classdev mail_led = { 1533 .name = "acer-wmi::mail", 1534 .brightness_set = mail_led_set, 1535 }; 1536 1537 static int acer_led_init(struct device *dev) 1538 { 1539 return led_classdev_register(dev, &mail_led); 1540 } 1541 1542 static void acer_led_exit(void) 1543 { 1544 set_u32(LED_OFF, ACER_CAP_MAILLED); 1545 led_classdev_unregister(&mail_led); 1546 } 1547 1548 /* 1549 * Backlight device 1550 */ 1551 static struct backlight_device *acer_backlight_device; 1552 1553 static int read_brightness(struct backlight_device *bd) 1554 { 1555 u32 value; 1556 get_u32(&value, ACER_CAP_BRIGHTNESS); 1557 return value; 1558 } 1559 1560 static int update_bl_status(struct backlight_device *bd) 1561 { 1562 int intensity = backlight_get_brightness(bd); 1563 1564 set_u32(intensity, ACER_CAP_BRIGHTNESS); 1565 1566 return 0; 1567 } 1568 1569 static const struct backlight_ops acer_bl_ops = { 1570 .get_brightness = read_brightness, 1571 .update_status = update_bl_status, 1572 }; 1573 1574 static int acer_backlight_init(struct device *dev) 1575 { 1576 struct backlight_properties props; 1577 struct backlight_device *bd; 1578 1579 memset(&props, 0, sizeof(struct backlight_properties)); 1580 props.type = BACKLIGHT_PLATFORM; 1581 props.max_brightness = max_brightness; 1582 bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, 1583 &props); 1584 if (IS_ERR(bd)) { 1585 pr_err("Could not register Acer backlight device\n"); 1586 acer_backlight_device = NULL; 1587 return PTR_ERR(bd); 1588 } 1589 1590 acer_backlight_device = bd; 1591 1592 bd->props.power = FB_BLANK_UNBLANK; 1593 bd->props.brightness = read_brightness(bd); 1594 backlight_update_status(bd); 1595 return 0; 1596 } 1597 1598 static void acer_backlight_exit(void) 1599 { 1600 backlight_device_unregister(acer_backlight_device); 1601 } 1602 1603 /* 1604 * Accelerometer device 1605 */ 1606 static acpi_handle gsensor_handle; 1607 1608 static int acer_gsensor_init(void) 1609 { 1610 acpi_status status; 1611 struct acpi_buffer output; 1612 union acpi_object out_obj; 1613 1614 output.length = sizeof(out_obj); 1615 output.pointer = &out_obj; 1616 status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output); 1617 if (ACPI_FAILURE(status)) 1618 return -1; 1619 1620 return 0; 1621 } 1622 1623 static int acer_gsensor_open(struct input_dev *input) 1624 { 1625 return acer_gsensor_init(); 1626 } 1627 1628 static int acer_gsensor_event(void) 1629 { 1630 acpi_status status; 1631 struct acpi_buffer output; 1632 union acpi_object out_obj[5]; 1633 1634 if (!acer_wmi_accel_dev) 1635 return -1; 1636 1637 output.length = sizeof(out_obj); 1638 output.pointer = out_obj; 1639 1640 status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output); 1641 if (ACPI_FAILURE(status)) 1642 return -1; 1643 1644 if (out_obj->package.count != 4) 1645 return -1; 1646 1647 input_report_abs(acer_wmi_accel_dev, ABS_X, 1648 (s16)out_obj->package.elements[0].integer.value); 1649 input_report_abs(acer_wmi_accel_dev, ABS_Y, 1650 (s16)out_obj->package.elements[1].integer.value); 1651 input_report_abs(acer_wmi_accel_dev, ABS_Z, 1652 (s16)out_obj->package.elements[2].integer.value); 1653 input_sync(acer_wmi_accel_dev); 1654 return 0; 1655 } 1656 1657 /* 1658 * Predator series turbo button 1659 */ 1660 static int acer_toggle_turbo(void) 1661 { 1662 u64 turbo_led_state; 1663 1664 /* Get current state from turbo button */ 1665 if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED))) 1666 return -1; 1667 1668 if (turbo_led_state) { 1669 /* Turn off turbo led */ 1670 WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED); 1671 1672 /* Set FAN mode to auto */ 1673 WMID_gaming_set_fan_mode(0x1); 1674 1675 /* Set OC to normal */ 1676 WMID_gaming_set_u64(0x5, ACER_CAP_TURBO_OC); 1677 WMID_gaming_set_u64(0x7, ACER_CAP_TURBO_OC); 1678 } else { 1679 /* Turn on turbo led */ 1680 WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED); 1681 1682 /* Set FAN mode to turbo */ 1683 WMID_gaming_set_fan_mode(0x2); 1684 1685 /* Set OC to turbo mode */ 1686 WMID_gaming_set_u64(0x205, ACER_CAP_TURBO_OC); 1687 WMID_gaming_set_u64(0x207, ACER_CAP_TURBO_OC); 1688 } 1689 return turbo_led_state; 1690 } 1691 1692 /* 1693 * Switch series keyboard dock status 1694 */ 1695 static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state) 1696 { 1697 switch (kbd_dock_state) { 1698 case 0x01: /* Docked, traditional clamshell laptop mode */ 1699 return 0; 1700 case 0x04: /* Stand-alone tablet */ 1701 case 0x40: /* Docked, tent mode, keyboard not usable */ 1702 return 1; 1703 default: 1704 pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state); 1705 } 1706 1707 return 0; 1708 } 1709 1710 static void acer_kbd_dock_get_initial_state(void) 1711 { 1712 u8 *output, input[8] = { 0x05, 0x00, }; 1713 struct acpi_buffer input_buf = { sizeof(input), input }; 1714 struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL }; 1715 union acpi_object *obj; 1716 acpi_status status; 1717 int sw_tablet_mode; 1718 1719 status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf); 1720 if (ACPI_FAILURE(status)) { 1721 pr_err("Error getting keyboard-dock initial status: %s\n", 1722 acpi_format_exception(status)); 1723 return; 1724 } 1725 1726 obj = output_buf.pointer; 1727 if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) { 1728 pr_err("Unexpected output format getting keyboard-dock initial status\n"); 1729 goto out_free_obj; 1730 } 1731 1732 output = obj->buffer.pointer; 1733 if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) { 1734 pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n", 1735 output[0], output[3]); 1736 goto out_free_obj; 1737 } 1738 1739 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]); 1740 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode); 1741 1742 out_free_obj: 1743 kfree(obj); 1744 } 1745 1746 static void acer_kbd_dock_event(const struct event_return_value *event) 1747 { 1748 int sw_tablet_mode; 1749 1750 if (!has_cap(ACER_CAP_KBD_DOCK)) 1751 return; 1752 1753 sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state); 1754 input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode); 1755 input_sync(acer_wmi_input_dev); 1756 } 1757 1758 /* 1759 * Rfkill devices 1760 */ 1761 static void acer_rfkill_update(struct work_struct *ignored); 1762 static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); 1763 static void acer_rfkill_update(struct work_struct *ignored) 1764 { 1765 u32 state; 1766 acpi_status status; 1767 1768 if (has_cap(ACER_CAP_WIRELESS)) { 1769 status = get_u32(&state, ACER_CAP_WIRELESS); 1770 if (ACPI_SUCCESS(status)) { 1771 if (quirks->wireless == 3) 1772 rfkill_set_hw_state(wireless_rfkill, !state); 1773 else 1774 rfkill_set_sw_state(wireless_rfkill, !state); 1775 } 1776 } 1777 1778 if (has_cap(ACER_CAP_BLUETOOTH)) { 1779 status = get_u32(&state, ACER_CAP_BLUETOOTH); 1780 if (ACPI_SUCCESS(status)) 1781 rfkill_set_sw_state(bluetooth_rfkill, !state); 1782 } 1783 1784 if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) { 1785 status = get_u32(&state, ACER_WMID3_GDS_THREEG); 1786 if (ACPI_SUCCESS(status)) 1787 rfkill_set_sw_state(threeg_rfkill, !state); 1788 } 1789 1790 schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); 1791 } 1792 1793 static int acer_rfkill_set(void *data, bool blocked) 1794 { 1795 acpi_status status; 1796 u32 cap = (unsigned long)data; 1797 1798 if (rfkill_inited) { 1799 status = set_u32(!blocked, cap); 1800 if (ACPI_FAILURE(status)) 1801 return -ENODEV; 1802 } 1803 1804 return 0; 1805 } 1806 1807 static const struct rfkill_ops acer_rfkill_ops = { 1808 .set_block = acer_rfkill_set, 1809 }; 1810 1811 static struct rfkill *acer_rfkill_register(struct device *dev, 1812 enum rfkill_type type, 1813 char *name, u32 cap) 1814 { 1815 int err; 1816 struct rfkill *rfkill_dev; 1817 u32 state; 1818 acpi_status status; 1819 1820 rfkill_dev = rfkill_alloc(name, dev, type, 1821 &acer_rfkill_ops, 1822 (void *)(unsigned long)cap); 1823 if (!rfkill_dev) 1824 return ERR_PTR(-ENOMEM); 1825 1826 status = get_u32(&state, cap); 1827 1828 err = rfkill_register(rfkill_dev); 1829 if (err) { 1830 rfkill_destroy(rfkill_dev); 1831 return ERR_PTR(err); 1832 } 1833 1834 if (ACPI_SUCCESS(status)) 1835 rfkill_set_sw_state(rfkill_dev, !state); 1836 1837 return rfkill_dev; 1838 } 1839 1840 static int acer_rfkill_init(struct device *dev) 1841 { 1842 int err; 1843 1844 if (has_cap(ACER_CAP_WIRELESS)) { 1845 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, 1846 "acer-wireless", ACER_CAP_WIRELESS); 1847 if (IS_ERR(wireless_rfkill)) { 1848 err = PTR_ERR(wireless_rfkill); 1849 goto error_wireless; 1850 } 1851 } 1852 1853 if (has_cap(ACER_CAP_BLUETOOTH)) { 1854 bluetooth_rfkill = acer_rfkill_register(dev, 1855 RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", 1856 ACER_CAP_BLUETOOTH); 1857 if (IS_ERR(bluetooth_rfkill)) { 1858 err = PTR_ERR(bluetooth_rfkill); 1859 goto error_bluetooth; 1860 } 1861 } 1862 1863 if (has_cap(ACER_CAP_THREEG)) { 1864 threeg_rfkill = acer_rfkill_register(dev, 1865 RFKILL_TYPE_WWAN, "acer-threeg", 1866 ACER_CAP_THREEG); 1867 if (IS_ERR(threeg_rfkill)) { 1868 err = PTR_ERR(threeg_rfkill); 1869 goto error_threeg; 1870 } 1871 } 1872 1873 rfkill_inited = true; 1874 1875 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) && 1876 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) 1877 schedule_delayed_work(&acer_rfkill_work, 1878 round_jiffies_relative(HZ)); 1879 1880 return 0; 1881 1882 error_threeg: 1883 if (has_cap(ACER_CAP_BLUETOOTH)) { 1884 rfkill_unregister(bluetooth_rfkill); 1885 rfkill_destroy(bluetooth_rfkill); 1886 } 1887 error_bluetooth: 1888 if (has_cap(ACER_CAP_WIRELESS)) { 1889 rfkill_unregister(wireless_rfkill); 1890 rfkill_destroy(wireless_rfkill); 1891 } 1892 error_wireless: 1893 return err; 1894 } 1895 1896 static void acer_rfkill_exit(void) 1897 { 1898 if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) && 1899 has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG)) 1900 cancel_delayed_work_sync(&acer_rfkill_work); 1901 1902 if (has_cap(ACER_CAP_WIRELESS)) { 1903 rfkill_unregister(wireless_rfkill); 1904 rfkill_destroy(wireless_rfkill); 1905 } 1906 1907 if (has_cap(ACER_CAP_BLUETOOTH)) { 1908 rfkill_unregister(bluetooth_rfkill); 1909 rfkill_destroy(bluetooth_rfkill); 1910 } 1911 1912 if (has_cap(ACER_CAP_THREEG)) { 1913 rfkill_unregister(threeg_rfkill); 1914 rfkill_destroy(threeg_rfkill); 1915 } 1916 return; 1917 } 1918 1919 static void acer_wmi_notify(u32 value, void *context) 1920 { 1921 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; 1922 union acpi_object *obj; 1923 struct event_return_value return_value; 1924 acpi_status status; 1925 u16 device_state; 1926 const struct key_entry *key; 1927 u32 scancode; 1928 1929 status = wmi_get_event_data(value, &response); 1930 if (status != AE_OK) { 1931 pr_warn("bad event status 0x%x\n", status); 1932 return; 1933 } 1934 1935 obj = (union acpi_object *)response.pointer; 1936 1937 if (!obj) 1938 return; 1939 if (obj->type != ACPI_TYPE_BUFFER) { 1940 pr_warn("Unknown response received %d\n", obj->type); 1941 kfree(obj); 1942 return; 1943 } 1944 if (obj->buffer.length != 8) { 1945 pr_warn("Unknown buffer length %d\n", obj->buffer.length); 1946 kfree(obj); 1947 return; 1948 } 1949 1950 return_value = *((struct event_return_value *)obj->buffer.pointer); 1951 kfree(obj); 1952 1953 switch (return_value.function) { 1954 case WMID_HOTKEY_EVENT: 1955 device_state = return_value.device_state; 1956 pr_debug("device state: 0x%x\n", device_state); 1957 1958 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev, 1959 return_value.key_num); 1960 if (!key) { 1961 pr_warn("Unknown key number - 0x%x\n", 1962 return_value.key_num); 1963 } else { 1964 scancode = return_value.key_num; 1965 switch (key->keycode) { 1966 case KEY_WLAN: 1967 case KEY_BLUETOOTH: 1968 if (has_cap(ACER_CAP_WIRELESS)) 1969 rfkill_set_sw_state(wireless_rfkill, 1970 !(device_state & ACER_WMID3_GDS_WIRELESS)); 1971 if (has_cap(ACER_CAP_THREEG)) 1972 rfkill_set_sw_state(threeg_rfkill, 1973 !(device_state & ACER_WMID3_GDS_THREEG)); 1974 if (has_cap(ACER_CAP_BLUETOOTH)) 1975 rfkill_set_sw_state(bluetooth_rfkill, 1976 !(device_state & ACER_WMID3_GDS_BLUETOOTH)); 1977 break; 1978 case KEY_TOUCHPAD_TOGGLE: 1979 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ? 1980 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF; 1981 } 1982 sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true); 1983 } 1984 break; 1985 case WMID_ACCEL_OR_KBD_DOCK_EVENT: 1986 acer_gsensor_event(); 1987 acer_kbd_dock_event(&return_value); 1988 break; 1989 case WMID_GAMING_TURBO_KEY_EVENT: 1990 if (return_value.key_num == 0x4) 1991 acer_toggle_turbo(); 1992 break; 1993 default: 1994 pr_warn("Unknown function number - %d - %d\n", 1995 return_value.function, return_value.key_num); 1996 break; 1997 } 1998 } 1999 2000 static acpi_status __init 2001 wmid3_set_function_mode(struct func_input_params *params, 2002 struct func_return_value *return_value) 2003 { 2004 acpi_status status; 2005 union acpi_object *obj; 2006 2007 struct acpi_buffer input = { sizeof(struct func_input_params), params }; 2008 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 2009 2010 status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output); 2011 if (ACPI_FAILURE(status)) 2012 return status; 2013 2014 obj = output.pointer; 2015 2016 if (!obj) 2017 return AE_ERROR; 2018 else if (obj->type != ACPI_TYPE_BUFFER) { 2019 kfree(obj); 2020 return AE_ERROR; 2021 } 2022 if (obj->buffer.length != 4) { 2023 pr_warn("Unknown buffer length %d\n", obj->buffer.length); 2024 kfree(obj); 2025 return AE_ERROR; 2026 } 2027 2028 *return_value = *((struct func_return_value *)obj->buffer.pointer); 2029 kfree(obj); 2030 2031 return status; 2032 } 2033 2034 static int __init acer_wmi_enable_ec_raw(void) 2035 { 2036 struct func_return_value return_value; 2037 acpi_status status; 2038 struct func_input_params params = { 2039 .function_num = 0x1, 2040 .commun_devices = 0xFFFF, 2041 .devices = 0xFFFF, 2042 .app_status = 0x00, /* Launch Manager Deactive */ 2043 .app_mask = 0x01, 2044 }; 2045 2046 status = wmid3_set_function_mode(¶ms, &return_value); 2047 2048 if (return_value.error_code || return_value.ec_return_value) 2049 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n", 2050 return_value.error_code, 2051 return_value.ec_return_value); 2052 else 2053 pr_info("Enabled EC raw mode\n"); 2054 2055 return status; 2056 } 2057 2058 static int __init acer_wmi_enable_lm(void) 2059 { 2060 struct func_return_value return_value; 2061 acpi_status status; 2062 struct func_input_params params = { 2063 .function_num = 0x1, 2064 .commun_devices = 0xFFFF, 2065 .devices = 0xFFFF, 2066 .app_status = 0x01, /* Launch Manager Active */ 2067 .app_mask = 0x01, 2068 }; 2069 2070 status = wmid3_set_function_mode(¶ms, &return_value); 2071 2072 if (return_value.error_code || return_value.ec_return_value) 2073 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n", 2074 return_value.error_code, 2075 return_value.ec_return_value); 2076 2077 return status; 2078 } 2079 2080 static int __init acer_wmi_enable_rf_button(void) 2081 { 2082 struct func_return_value return_value; 2083 acpi_status status; 2084 struct func_input_params params = { 2085 .function_num = 0x1, 2086 .commun_devices = 0xFFFF, 2087 .devices = 0xFFFF, 2088 .app_status = 0x10, /* RF Button Active */ 2089 .app_mask = 0x10, 2090 }; 2091 2092 status = wmid3_set_function_mode(¶ms, &return_value); 2093 2094 if (return_value.error_code || return_value.ec_return_value) 2095 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n", 2096 return_value.error_code, 2097 return_value.ec_return_value); 2098 2099 return status; 2100 } 2101 2102 static int __init acer_wmi_accel_setup(void) 2103 { 2104 struct acpi_device *adev; 2105 int err; 2106 2107 adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1); 2108 if (!adev) 2109 return -ENODEV; 2110 2111 gsensor_handle = acpi_device_handle(adev); 2112 acpi_dev_put(adev); 2113 2114 acer_wmi_accel_dev = input_allocate_device(); 2115 if (!acer_wmi_accel_dev) 2116 return -ENOMEM; 2117 2118 acer_wmi_accel_dev->open = acer_gsensor_open; 2119 2120 acer_wmi_accel_dev->name = "Acer BMA150 accelerometer"; 2121 acer_wmi_accel_dev->phys = "wmi/input1"; 2122 acer_wmi_accel_dev->id.bustype = BUS_HOST; 2123 acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS); 2124 input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0); 2125 input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0); 2126 input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0); 2127 2128 err = input_register_device(acer_wmi_accel_dev); 2129 if (err) 2130 goto err_free_dev; 2131 2132 return 0; 2133 2134 err_free_dev: 2135 input_free_device(acer_wmi_accel_dev); 2136 return err; 2137 } 2138 2139 static int __init acer_wmi_input_setup(void) 2140 { 2141 acpi_status status; 2142 int err; 2143 2144 acer_wmi_input_dev = input_allocate_device(); 2145 if (!acer_wmi_input_dev) 2146 return -ENOMEM; 2147 2148 acer_wmi_input_dev->name = "Acer WMI hotkeys"; 2149 acer_wmi_input_dev->phys = "wmi/input0"; 2150 acer_wmi_input_dev->id.bustype = BUS_HOST; 2151 2152 err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL); 2153 if (err) 2154 goto err_free_dev; 2155 2156 if (has_cap(ACER_CAP_KBD_DOCK)) 2157 input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE); 2158 2159 status = wmi_install_notify_handler(ACERWMID_EVENT_GUID, 2160 acer_wmi_notify, NULL); 2161 if (ACPI_FAILURE(status)) { 2162 err = -EIO; 2163 goto err_free_dev; 2164 } 2165 2166 if (has_cap(ACER_CAP_KBD_DOCK)) 2167 acer_kbd_dock_get_initial_state(); 2168 2169 err = input_register_device(acer_wmi_input_dev); 2170 if (err) 2171 goto err_uninstall_notifier; 2172 2173 return 0; 2174 2175 err_uninstall_notifier: 2176 wmi_remove_notify_handler(ACERWMID_EVENT_GUID); 2177 err_free_dev: 2178 input_free_device(acer_wmi_input_dev); 2179 return err; 2180 } 2181 2182 static void acer_wmi_input_destroy(void) 2183 { 2184 wmi_remove_notify_handler(ACERWMID_EVENT_GUID); 2185 input_unregister_device(acer_wmi_input_dev); 2186 } 2187 2188 /* 2189 * debugfs functions 2190 */ 2191 static u32 get_wmid_devices(void) 2192 { 2193 struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; 2194 union acpi_object *obj; 2195 acpi_status status; 2196 u32 devices = 0; 2197 2198 status = wmi_query_block(WMID_GUID2, 0, &out); 2199 if (ACPI_FAILURE(status)) 2200 return 0; 2201 2202 obj = (union acpi_object *) out.pointer; 2203 if (obj) { 2204 if (obj->type == ACPI_TYPE_BUFFER && 2205 (obj->buffer.length == sizeof(u32) || 2206 obj->buffer.length == sizeof(u64))) { 2207 devices = *((u32 *) obj->buffer.pointer); 2208 } else if (obj->type == ACPI_TYPE_INTEGER) { 2209 devices = (u32) obj->integer.value; 2210 } 2211 } 2212 2213 kfree(out.pointer); 2214 return devices; 2215 } 2216 2217 /* 2218 * Platform device 2219 */ 2220 static int acer_platform_probe(struct platform_device *device) 2221 { 2222 int err; 2223 2224 if (has_cap(ACER_CAP_MAILLED)) { 2225 err = acer_led_init(&device->dev); 2226 if (err) 2227 goto error_mailled; 2228 } 2229 2230 if (has_cap(ACER_CAP_BRIGHTNESS)) { 2231 err = acer_backlight_init(&device->dev); 2232 if (err) 2233 goto error_brightness; 2234 } 2235 2236 err = acer_rfkill_init(&device->dev); 2237 if (err) 2238 goto error_rfkill; 2239 2240 return err; 2241 2242 error_rfkill: 2243 if (has_cap(ACER_CAP_BRIGHTNESS)) 2244 acer_backlight_exit(); 2245 error_brightness: 2246 if (has_cap(ACER_CAP_MAILLED)) 2247 acer_led_exit(); 2248 error_mailled: 2249 return err; 2250 } 2251 2252 static int acer_platform_remove(struct platform_device *device) 2253 { 2254 if (has_cap(ACER_CAP_MAILLED)) 2255 acer_led_exit(); 2256 if (has_cap(ACER_CAP_BRIGHTNESS)) 2257 acer_backlight_exit(); 2258 2259 acer_rfkill_exit(); 2260 return 0; 2261 } 2262 2263 #ifdef CONFIG_PM_SLEEP 2264 static int acer_suspend(struct device *dev) 2265 { 2266 u32 value; 2267 struct acer_data *data = &interface->data; 2268 2269 if (!data) 2270 return -ENOMEM; 2271 2272 if (has_cap(ACER_CAP_MAILLED)) { 2273 get_u32(&value, ACER_CAP_MAILLED); 2274 set_u32(LED_OFF, ACER_CAP_MAILLED); 2275 data->mailled = value; 2276 } 2277 2278 if (has_cap(ACER_CAP_BRIGHTNESS)) { 2279 get_u32(&value, ACER_CAP_BRIGHTNESS); 2280 data->brightness = value; 2281 } 2282 2283 return 0; 2284 } 2285 2286 static int acer_resume(struct device *dev) 2287 { 2288 struct acer_data *data = &interface->data; 2289 2290 if (!data) 2291 return -ENOMEM; 2292 2293 if (has_cap(ACER_CAP_MAILLED)) 2294 set_u32(data->mailled, ACER_CAP_MAILLED); 2295 2296 if (has_cap(ACER_CAP_BRIGHTNESS)) 2297 set_u32(data->brightness, ACER_CAP_BRIGHTNESS); 2298 2299 if (acer_wmi_accel_dev) 2300 acer_gsensor_init(); 2301 2302 return 0; 2303 } 2304 #else 2305 #define acer_suspend NULL 2306 #define acer_resume NULL 2307 #endif 2308 2309 static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume); 2310 2311 static void acer_platform_shutdown(struct platform_device *device) 2312 { 2313 struct acer_data *data = &interface->data; 2314 2315 if (!data) 2316 return; 2317 2318 if (has_cap(ACER_CAP_MAILLED)) 2319 set_u32(LED_OFF, ACER_CAP_MAILLED); 2320 } 2321 2322 static struct platform_driver acer_platform_driver = { 2323 .driver = { 2324 .name = "acer-wmi", 2325 .pm = &acer_pm, 2326 }, 2327 .probe = acer_platform_probe, 2328 .remove = acer_platform_remove, 2329 .shutdown = acer_platform_shutdown, 2330 }; 2331 2332 static struct platform_device *acer_platform_device; 2333 2334 static void remove_debugfs(void) 2335 { 2336 debugfs_remove_recursive(interface->debug.root); 2337 } 2338 2339 static void __init create_debugfs(void) 2340 { 2341 interface->debug.root = debugfs_create_dir("acer-wmi", NULL); 2342 2343 debugfs_create_u32("devices", S_IRUGO, interface->debug.root, 2344 &interface->debug.wmid_devices); 2345 } 2346 2347 static int __init acer_wmi_init(void) 2348 { 2349 int err; 2350 2351 pr_info("Acer Laptop ACPI-WMI Extras\n"); 2352 2353 if (dmi_check_system(acer_blacklist)) { 2354 pr_info("Blacklisted hardware detected - not loading\n"); 2355 return -ENODEV; 2356 } 2357 2358 find_quirks(); 2359 2360 /* 2361 * The AMW0_GUID1 wmi is not only found on Acer family but also other 2362 * machines like Lenovo, Fujitsu and Medion. In the past days, 2363 * acer-wmi driver handled those non-Acer machines by quirks list. 2364 * But actually acer-wmi driver was loaded on any machines that have 2365 * AMW0_GUID1. This behavior is strange because those machines should 2366 * be supported by appropriate wmi drivers. e.g. fujitsu-laptop, 2367 * ideapad-laptop. So, here checks the machine that has AMW0_GUID1 2368 * should be in Acer/Gateway/Packard Bell white list, or it's already 2369 * in the past quirk list. 2370 */ 2371 if (wmi_has_guid(AMW0_GUID1) && 2372 !dmi_check_system(amw0_whitelist) && 2373 quirks == &quirk_unknown) { 2374 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n"); 2375 return -ENODEV; 2376 } 2377 2378 /* 2379 * Detect which ACPI-WMI interface we're using. 2380 */ 2381 if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) 2382 interface = &AMW0_V2_interface; 2383 2384 if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) 2385 interface = &wmid_interface; 2386 2387 if (wmi_has_guid(WMID_GUID3)) 2388 interface = &wmid_v2_interface; 2389 2390 if (interface) 2391 dmi_walk(type_aa_dmi_decode, NULL); 2392 2393 if (wmi_has_guid(WMID_GUID2) && interface) { 2394 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) { 2395 pr_err("Unable to detect available WMID devices\n"); 2396 return -ENODEV; 2397 } 2398 /* WMID always provides brightness methods */ 2399 interface->capability |= ACER_CAP_BRIGHTNESS; 2400 } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) { 2401 pr_err("No WMID device detection method found\n"); 2402 return -ENODEV; 2403 } 2404 2405 if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { 2406 interface = &AMW0_interface; 2407 2408 if (ACPI_FAILURE(AMW0_set_capabilities())) { 2409 pr_err("Unable to detect available AMW0 devices\n"); 2410 return -ENODEV; 2411 } 2412 } 2413 2414 if (wmi_has_guid(AMW0_GUID1)) 2415 AMW0_find_mailled(); 2416 2417 if (!interface) { 2418 pr_err("No or unsupported WMI interface, unable to load\n"); 2419 return -ENODEV; 2420 } 2421 2422 set_quirks(); 2423 2424 if (acpi_video_get_backlight_type() != acpi_backlight_vendor) 2425 interface->capability &= ~ACER_CAP_BRIGHTNESS; 2426 2427 if (wmi_has_guid(WMID_GUID3)) 2428 interface->capability |= ACER_CAP_SET_FUNCTION_MODE; 2429 2430 if (force_caps != -1) 2431 interface->capability = force_caps; 2432 2433 if (wmi_has_guid(WMID_GUID3) && 2434 (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) { 2435 if (ACPI_FAILURE(acer_wmi_enable_rf_button())) 2436 pr_warn("Cannot enable RF Button Driver\n"); 2437 2438 if (ec_raw_mode) { 2439 if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { 2440 pr_err("Cannot enable EC raw mode\n"); 2441 return -ENODEV; 2442 } 2443 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) { 2444 pr_err("Cannot enable Launch Manager mode\n"); 2445 return -ENODEV; 2446 } 2447 } else if (ec_raw_mode) { 2448 pr_info("No WMID EC raw mode enable method\n"); 2449 } 2450 2451 if (wmi_has_guid(ACERWMID_EVENT_GUID)) { 2452 err = acer_wmi_input_setup(); 2453 if (err) 2454 return err; 2455 err = acer_wmi_accel_setup(); 2456 if (err && err != -ENODEV) 2457 pr_warn("Cannot enable accelerometer\n"); 2458 } 2459 2460 err = platform_driver_register(&acer_platform_driver); 2461 if (err) { 2462 pr_err("Unable to register platform driver\n"); 2463 goto error_platform_register; 2464 } 2465 2466 acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE); 2467 if (!acer_platform_device) { 2468 err = -ENOMEM; 2469 goto error_device_alloc; 2470 } 2471 2472 err = platform_device_add(acer_platform_device); 2473 if (err) 2474 goto error_device_add; 2475 2476 if (wmi_has_guid(WMID_GUID2)) { 2477 interface->debug.wmid_devices = get_wmid_devices(); 2478 create_debugfs(); 2479 } 2480 2481 /* Override any initial settings with values from the commandline */ 2482 acer_commandline_init(); 2483 2484 return 0; 2485 2486 error_device_add: 2487 platform_device_put(acer_platform_device); 2488 error_device_alloc: 2489 platform_driver_unregister(&acer_platform_driver); 2490 error_platform_register: 2491 if (wmi_has_guid(ACERWMID_EVENT_GUID)) 2492 acer_wmi_input_destroy(); 2493 if (acer_wmi_accel_dev) 2494 input_unregister_device(acer_wmi_accel_dev); 2495 2496 return err; 2497 } 2498 2499 static void __exit acer_wmi_exit(void) 2500 { 2501 if (wmi_has_guid(ACERWMID_EVENT_GUID)) 2502 acer_wmi_input_destroy(); 2503 2504 if (acer_wmi_accel_dev) 2505 input_unregister_device(acer_wmi_accel_dev); 2506 2507 remove_debugfs(); 2508 platform_device_unregister(acer_platform_device); 2509 platform_driver_unregister(&acer_platform_driver); 2510 2511 pr_info("Acer Laptop WMI Extras unloaded\n"); 2512 return; 2513 } 2514 2515 module_init(acer_wmi_init); 2516 module_exit(acer_wmi_exit); 2517