drivers/platform/x86/acer-wmi.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Acer WMI Laptop Extras
   4  *
   5  *  Copyright (C) 2007-2009     Carlos Corbacho <[email protected]>
   6  *
   7  *  Based on acer_acpi:
   8  *    Copyright (C) 2005-2007   E.M. Smith
   9  *    Copyright (C) 2007-2008   Carlos Corbacho <[email protected]>
  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(&param, 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                 &params
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(&params, &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(&params, &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(&params, &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);