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/backlight.h>
  20 #include <linux/leds.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/platform_profile.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 #include <linux/hwmon.h>
  33 #include <linux/bitfield.h>
  34
  35 MODULE_AUTHOR("Carlos Corbacho");
  36 MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
  37 MODULE_LICENSE("GPL");
  38
  39 /*
  40  * Magic Number
  41  * Meaning is unknown - this number is required for writing to ACPI for AMW0
  42  * (it's also used in acerhk when directly accessing the BIOS)
  43  */
  44 #define ACER_AMW0_WRITE 0x9610
  45
  46 /*
  47  * Bit masks for the AMW0 interface
  48  */
  49 #define ACER_AMW0_WIRELESS_MASK  0x35
  50 #define ACER_AMW0_BLUETOOTH_MASK 0x34
  51 #define ACER_AMW0_MAILLED_MASK   0x31
  52
  53 /*
  54  * Method IDs for WMID interface
  55  */
  56 #define ACER_WMID_GET_WIRELESS_METHODID         1
  57 #define ACER_WMID_GET_BLUETOOTH_METHODID        2
  58 #define ACER_WMID_GET_BRIGHTNESS_METHODID       3
  59 #define ACER_WMID_SET_WIRELESS_METHODID         4
  60 #define ACER_WMID_SET_BLUETOOTH_METHODID        5
  61 #define ACER_WMID_SET_BRIGHTNESS_METHODID       6
  62 #define ACER_WMID_GET_THREEG_METHODID           10
  63 #define ACER_WMID_SET_THREEG_METHODID           11
  64
  65 #define ACER_WMID_SET_GAMING_LED_METHODID 2
  66 #define ACER_WMID_GET_GAMING_LED_METHODID 4
  67 #define ACER_WMID_GET_GAMING_SYS_INFO_METHODID 5
  68 #define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14
  69 #define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22
  70
  71 #define ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET 0x54
  72
  73 #define ACER_PREDATOR_V4_FAN_SPEED_READ_BIT_MASK GENMASK(20, 8)
  74
  75 /*
  76  * Acer ACPI method GUIDs
  77  */
  78 #define AMW0_GUID1              "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
  79 #define AMW0_GUID2              "431F16ED-0C2B-444C-B267-27DEB140CF9C"
  80 #define WMID_GUID1              "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
  81 #define WMID_GUID2              "95764E09-FB56-4E83-B31A-37761F60994A"
  82 #define WMID_GUID3              "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
  83 #define WMID_GUID4              "7A4DDFE7-5B5D-40B4-8595-4408E0CC7F56"
  84
  85 /*
  86  * Acer ACPI event GUIDs
  87  */
  88 #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
  89
  90 MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
  91 MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
  92 MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
  93
  94 enum acer_wmi_event_ids {
  95         WMID_HOTKEY_EVENT = 0x1,
  96         WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
  97         WMID_GAMING_TURBO_KEY_EVENT = 0x7,
  98 };
  99
 100 enum acer_wmi_predator_v4_sys_info_command {
 101         ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS = 0x02,
 102         ACER_WMID_CMD_GET_PREDATOR_V4_CPU_FAN_SPEED = 0x0201,
 103         ACER_WMID_CMD_GET_PREDATOR_V4_GPU_FAN_SPEED = 0x0601,
 104 };
 105
 106 static const struct key_entry acer_wmi_keymap[] __initconst = {
 107         {KE_KEY, 0x01, {KEY_WLAN} },     /* WiFi */
 108         {KE_KEY, 0x03, {KEY_WLAN} },     /* WiFi */
 109         {KE_KEY, 0x04, {KEY_WLAN} },     /* WiFi */
 110         {KE_KEY, 0x12, {KEY_BLUETOOTH} },       /* BT */
 111         {KE_KEY, 0x21, {KEY_PROG1} },    /* Backup */
 112         {KE_KEY, 0x22, {KEY_PROG2} },    /* Arcade */
 113         {KE_KEY, 0x23, {KEY_PROG3} },    /* P_Key */
 114         {KE_KEY, 0x24, {KEY_PROG4} },    /* Social networking_Key */
 115         {KE_KEY, 0x27, {KEY_HELP} },
 116         {KE_KEY, 0x29, {KEY_PROG3} },    /* P_Key for TM8372 */
 117         {KE_IGNORE, 0x41, {KEY_MUTE} },
 118         {KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
 119         {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
 120         {KE_IGNORE, 0x43, {KEY_NEXTSONG} },
 121         {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
 122         {KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
 123         {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
 124         {KE_IGNORE, 0x45, {KEY_STOP} },
 125         {KE_IGNORE, 0x50, {KEY_STOP} },
 126         {KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
 127         {KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
 128         {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
 129         /*
 130          * 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event
 131          * with the "Video Bus" input device events. But sometimes it is not
 132          * a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that
 133          * udev/hwdb can override it on systems where it is not a dup.
 134          */
 135         {KE_KEY, 0x61, {KEY_UNKNOWN} },
 136         {KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
 137         {KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
 138         {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
 139         {KE_IGNORE, 0x81, {KEY_SLEEP} },
 140         {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
 141         {KE_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light toggle */
 142         {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
 143         {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
 144         {KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
 145         {KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
 146         {KE_KEY, 0x86, {KEY_WLAN} },
 147         {KE_KEY, 0x87, {KEY_POWER} },
 148         {KE_END, 0}
 149 };
 150
 151 static struct input_dev *acer_wmi_input_dev;
 152 static struct input_dev *acer_wmi_accel_dev;
 153
 154 struct event_return_value {
 155         u8 function;
 156         u8 key_num;
 157         u16 device_state;
 158         u16 reserved1;
 159         u8 kbd_dock_state;
 160         u8 reserved2;
 161 } __packed;
 162
 163 /*
 164  * GUID3 Get Device Status device flags
 165  */
 166 #define ACER_WMID3_GDS_WIRELESS         (1<<0)  /* WiFi */
 167 #define ACER_WMID3_GDS_THREEG           (1<<6)  /* 3G */
 168 #define ACER_WMID3_GDS_WIMAX            (1<<7)  /* WiMAX */
 169 #define ACER_WMID3_GDS_BLUETOOTH        (1<<11) /* BT */
 170 #define ACER_WMID3_GDS_RFBTN            (1<<14) /* RF Button */
 171
 172 #define ACER_WMID3_GDS_TOUCHPAD         (1<<1)  /* Touchpad */
 173
 174 /* Hotkey Customized Setting and Acer Application Status.
 175  * Set Device Default Value and Report Acer Application Status.
 176  * When Acer Application starts, it will run this method to inform
 177  * BIOS/EC that Acer Application is on.
 178  * App Status
 179  *      Bit[0]: Launch Manager Status
 180  *      Bit[1]: ePM Status
 181  *      Bit[2]: Device Control Status
 182  *      Bit[3]: Acer Power Button Utility Status
 183  *      Bit[4]: RF Button Status
 184  *      Bit[5]: ODD PM Status
 185  *      Bit[6]: Device Default Value Control
 186  *      Bit[7]: Hall Sensor Application Status
 187  */
 188 struct func_input_params {
 189         u8 function_num;        /* Function Number */
 190         u16 commun_devices;     /* Communication type devices default status */
 191         u16 devices;            /* Other type devices default status */
 192         u8 app_status;          /* Acer Device Status. LM, ePM, RF Button... */
 193         u8 app_mask;            /* Bit mask to app_status */
 194         u8 reserved;
 195 } __packed;
 196
 197 struct func_return_value {
 198         u8 error_code;          /* Error Code */
 199         u8 ec_return_value;     /* EC Return Value */
 200         u16 reserved;
 201 } __packed;
 202
 203 struct wmid3_gds_set_input_param {     /* Set Device Status input parameter */
 204         u8 function_num;        /* Function Number */
 205         u8 hotkey_number;       /* Hotkey Number */
 206         u16 devices;            /* Set Device */
 207         u8 volume_value;        /* Volume Value */
 208 } __packed;
 209
 210 struct wmid3_gds_get_input_param {     /* Get Device Status input parameter */
 211         u8 function_num;        /* Function Number */
 212         u8 hotkey_number;       /* Hotkey Number */
 213         u16 devices;            /* Get Device */
 214 } __packed;
 215
 216 struct wmid3_gds_return_value { /* Get Device Status return value*/
 217         u8 error_code;          /* Error Code */
 218         u8 ec_return_value;     /* EC Return Value */
 219         u16 devices;            /* Current Device Status */
 220         u32 reserved;
 221 } __packed;
 222
 223 struct hotkey_function_type_aa {
 224         u8 type;
 225         u8 length;
 226         u16 handle;
 227         u16 commun_func_bitmap;
 228         u16 application_func_bitmap;
 229         u16 media_func_bitmap;
 230         u16 display_func_bitmap;
 231         u16 others_func_bitmap;
 232         u8 commun_fn_key_number;
 233 } __packed;
 234
 235 /*
 236  * Interface capability flags
 237  */
 238 #define ACER_CAP_MAILLED                BIT(0)
 239 #define ACER_CAP_WIRELESS               BIT(1)
 240 #define ACER_CAP_BLUETOOTH              BIT(2)
 241 #define ACER_CAP_BRIGHTNESS             BIT(3)
 242 #define ACER_CAP_THREEG                 BIT(4)
 243 #define ACER_CAP_SET_FUNCTION_MODE      BIT(5)
 244 #define ACER_CAP_KBD_DOCK               BIT(6)
 245 #define ACER_CAP_TURBO_OC               BIT(7)
 246 #define ACER_CAP_TURBO_LED              BIT(8)
 247 #define ACER_CAP_TURBO_FAN              BIT(9)
 248 #define ACER_CAP_PLATFORM_PROFILE       BIT(10)
 249 #define ACER_CAP_FAN_SPEED_READ         BIT(11)
 250
 251 /*
 252  * Interface type flags
 253  */
 254 enum interface_flags {
 255         ACER_AMW0,
 256         ACER_AMW0_V2,
 257         ACER_WMID,
 258         ACER_WMID_v2,
 259 };
 260
 261 static int max_brightness = 0xF;
 262
 263 static int mailled = -1;
 264 static int brightness = -1;
 265 static int threeg = -1;
 266 static int force_series;
 267 static int force_caps = -1;
 268 static bool ec_raw_mode;
 269 static bool has_type_aa;
 270 static u16 commun_func_bitmap;
 271 static u8 commun_fn_key_number;
 272 static bool cycle_gaming_thermal_profile = true;
 273 static bool predator_v4;
 274
 275 module_param(mailled, int, 0444);
 276 module_param(brightness, int, 0444);
 277 module_param(threeg, int, 0444);
 278 module_param(force_series, int, 0444);
 279 module_param(force_caps, int, 0444);
 280 module_param(ec_raw_mode, bool, 0444);
 281 module_param(cycle_gaming_thermal_profile, bool, 0644);
 282 module_param(predator_v4, bool, 0444);
 283 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
 284 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
 285 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
 286 MODULE_PARM_DESC(force_series, "Force a different laptop series");
 287 MODULE_PARM_DESC(force_caps, "Force the capability bitmask to this value");
 288 MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
 289 MODULE_PARM_DESC(cycle_gaming_thermal_profile,
 290         "Set thermal mode key in cycle mode. Disabling it sets the mode key in turbo toggle mode");
 291 MODULE_PARM_DESC(predator_v4,
 292         "Enable features for predator laptops that use predator sense v4");
 293
 294 struct acer_data {
 295         int mailled;
 296         int threeg;
 297         int brightness;
 298 };
 299
 300 struct acer_debug {
 301         struct dentry *root;
 302         u32 wmid_devices;
 303 };
 304
 305 static struct rfkill *wireless_rfkill;
 306 static struct rfkill *bluetooth_rfkill;
 307 static struct rfkill *threeg_rfkill;
 308 static bool rfkill_inited;
 309
 310 /* Each low-level interface must define at least some of the following */
 311 struct wmi_interface {
 312         /* The WMI device type */
 313         u32 type;
 314
 315         /* The capabilities this interface provides */
 316         u32 capability;
 317
 318         /* Private data for the current interface */
 319         struct acer_data data;
 320
 321         /* debugfs entries associated with this interface */
 322         struct acer_debug debug;
 323 };
 324
 325 /* The static interface pointer, points to the currently detected interface */
 326 static struct wmi_interface *interface;
 327
 328 /*
 329  * Embedded Controller quirks
 330  * Some laptops require us to directly access the EC to either enable or query
 331  * features that are not available through WMI.
 332  */
 333
 334 struct quirk_entry {
 335         u8 wireless;
 336         u8 mailled;
 337         s8 brightness;
 338         u8 bluetooth;
 339         u8 turbo;
 340         u8 cpu_fans;
 341         u8 gpu_fans;
 342         u8 predator_v4;
 343 };
 344
 345 static struct quirk_entry *quirks;
 346
 347 static void __init set_quirks(void)
 348 {
 349         if (quirks->mailled)
 350                 interface->capability |= ACER_CAP_MAILLED;
 351
 352         if (quirks->brightness)
 353                 interface->capability |= ACER_CAP_BRIGHTNESS;
 354
 355         if (quirks->turbo)
 356                 interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED
 357                                          | ACER_CAP_TURBO_FAN;
 358
 359         if (quirks->predator_v4)
 360                 interface->capability |= ACER_CAP_PLATFORM_PROFILE |
 361                                          ACER_CAP_FAN_SPEED_READ;
 362 }
 363
 364 static int __init dmi_matched(const struct dmi_system_id *dmi)
 365 {
 366         quirks = dmi->driver_data;
 367         return 1;
 368 }
 369
 370 static int __init set_force_caps(const struct dmi_system_id *dmi)
 371 {
 372         if (force_caps == -1) {
 373                 force_caps = (uintptr_t)dmi->driver_data;
 374                 pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
 375         }
 376         return 1;
 377 }
 378
 379 static struct quirk_entry quirk_unknown = {
 380 };
 381
 382 static struct quirk_entry quirk_acer_aspire_1520 = {
 383         .brightness = -1,
 384 };
 385
 386 static struct quirk_entry quirk_acer_travelmate_2490 = {
 387         .mailled = 1,
 388 };
 389
 390 static struct quirk_entry quirk_acer_predator_ph315_53 = {
 391         .turbo = 1,
 392         .cpu_fans = 1,
 393         .gpu_fans = 1,
 394 };
 395
 396 static struct quirk_entry quirk_acer_predator_v4 = {
 397         .predator_v4 = 1,
 398 };
 399
 400 /* This AMW0 laptop has no bluetooth */
 401 static struct quirk_entry quirk_medion_md_98300 = {
 402         .wireless = 1,
 403 };
 404
 405 static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
 406         .wireless = 2,
 407 };
 408
 409 static struct quirk_entry quirk_lenovo_ideapad_s205 = {
 410         .wireless = 3,
 411 };
 412
 413 /* The Aspire One has a dummy ACPI-WMI interface - disable it */
 414 static const struct dmi_system_id acer_blacklist[] __initconst = {
 415         {
 416                 .ident = "Acer Aspire One (SSD)",
 417                 .matches = {
 418                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 419                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
 420                 },
 421         },
 422         {
 423                 .ident = "Acer Aspire One (HDD)",
 424                 .matches = {
 425                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 426                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 427                 },
 428         },
 429         {}
 430 };
 431
 432 static const struct dmi_system_id amw0_whitelist[] __initconst = {
 433         {
 434                 .ident = "Acer",
 435                 .matches = {
 436                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 437                 },
 438         },
 439         {
 440                 .ident = "Gateway",
 441                 .matches = {
 442                         DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
 443                 },
 444         },
 445         {
 446                 .ident = "Packard Bell",
 447                 .matches = {
 448                         DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
 449                 },
 450         },
 451         {}
 452 };
 453
 454 /*
 455  * This quirk table is only for Acer/Gateway/Packard Bell family
 456  * that those machines are supported by acer-wmi driver.
 457  */
 458 static const struct dmi_system_id acer_quirks[] __initconst = {
 459         {
 460                 .callback = dmi_matched,
 461                 .ident = "Acer Aspire 1360",
 462                 .matches = {
 463                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 464                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 465                 },
 466                 .driver_data = &quirk_acer_aspire_1520,
 467         },
 468         {
 469                 .callback = dmi_matched,
 470                 .ident = "Acer Aspire 1520",
 471                 .matches = {
 472                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 473                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
 474                 },
 475                 .driver_data = &quirk_acer_aspire_1520,
 476         },
 477         {
 478                 .callback = dmi_matched,
 479                 .ident = "Acer Aspire 3100",
 480                 .matches = {
 481                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 482                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
 483                 },
 484                 .driver_data = &quirk_acer_travelmate_2490,
 485         },
 486         {
 487                 .callback = dmi_matched,
 488                 .ident = "Acer Aspire 3610",
 489                 .matches = {
 490                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 491                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
 492                 },
 493                 .driver_data = &quirk_acer_travelmate_2490,
 494         },
 495         {
 496                 .callback = dmi_matched,
 497                 .ident = "Acer Aspire 5100",
 498                 .matches = {
 499                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 500                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 501                 },
 502                 .driver_data = &quirk_acer_travelmate_2490,
 503         },
 504         {
 505                 .callback = dmi_matched,
 506                 .ident = "Acer Aspire 5610",
 507                 .matches = {
 508                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 509                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 510                 },
 511                 .driver_data = &quirk_acer_travelmate_2490,
 512         },
 513         {
 514                 .callback = dmi_matched,
 515                 .ident = "Acer Aspire 5630",
 516                 .matches = {
 517                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 518                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 519                 },
 520                 .driver_data = &quirk_acer_travelmate_2490,
 521         },
 522         {
 523                 .callback = dmi_matched,
 524                 .ident = "Acer Aspire 5650",
 525                 .matches = {
 526                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 527                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 528                 },
 529                 .driver_data = &quirk_acer_travelmate_2490,
 530         },
 531         {
 532                 .callback = dmi_matched,
 533                 .ident = "Acer Aspire 5680",
 534                 .matches = {
 535                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 536                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 537                 },
 538                 .driver_data = &quirk_acer_travelmate_2490,
 539         },
 540         {
 541                 .callback = dmi_matched,
 542                 .ident = "Acer Aspire 9110",
 543                 .matches = {
 544                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 545                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 546                 },
 547                 .driver_data = &quirk_acer_travelmate_2490,
 548         },
 549         {
 550                 .callback = dmi_matched,
 551                 .ident = "Acer TravelMate 2490",
 552                 .matches = {
 553                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 554                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 555                 },
 556                 .driver_data = &quirk_acer_travelmate_2490,
 557         },
 558         {
 559                 .callback = dmi_matched,
 560                 .ident = "Acer TravelMate 4200",
 561                 .matches = {
 562                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 563                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
 564                 },
 565                 .driver_data = &quirk_acer_travelmate_2490,
 566         },
 567         {
 568                 .callback = dmi_matched,
 569                 .ident = "Acer Predator PH315-53",
 570                 .matches = {
 571                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 572                         DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"),
 573                 },
 574                 .driver_data = &quirk_acer_predator_ph315_53,
 575         },
 576         {
 577                 .callback = dmi_matched,
 578                 .ident = "Acer Predator PHN16-71",
 579                 .matches = {
 580                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 581                         DMI_MATCH(DMI_PRODUCT_NAME, "Predator PHN16-71"),
 582                 },
 583                 .driver_data = &quirk_acer_predator_v4,
 584         },
 585         {
 586                 .callback = dmi_matched,
 587                 .ident = "Acer Predator PH16-71",
 588                 .matches = {
 589                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 590                         DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH16-71"),
 591                 },
 592                 .driver_data = &quirk_acer_predator_v4,
 593         },
 594         {
 595                 .callback = dmi_matched,
 596                 .ident = "Acer Predator PH18-71",
 597                 .matches = {
 598                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 599                         DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH18-71"),
 600                 },
 601                 .driver_data = &quirk_acer_predator_v4,
 602         },
 603         {
 604                 .callback = set_force_caps,
 605                 .ident = "Acer Aspire Switch 10E SW3-016",
 606                 .matches = {
 607                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 608                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
 609                 },
 610                 .driver_data = (void *)ACER_CAP_KBD_DOCK,
 611         },
 612         {
 613                 .callback = set_force_caps,
 614                 .ident = "Acer Aspire Switch 10 SW5-012",
 615                 .matches = {
 616                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 617                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
 618                 },
 619                 .driver_data = (void *)ACER_CAP_KBD_DOCK,
 620         },
 621         {
 622                 .callback = set_force_caps,
 623                 .ident = "Acer Aspire Switch V 10 SW5-017",
 624                 .matches = {
 625                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 626                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
 627                 },
 628                 .driver_data = (void *)ACER_CAP_KBD_DOCK,
 629         },
 630         {
 631                 .callback = set_force_caps,
 632                 .ident = "Acer One 10 (S1003)",
 633                 .matches = {
 634                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 635                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
 636                 },
 637                 .driver_data = (void *)ACER_CAP_KBD_DOCK,
 638         },
 639         {}
 640 };
 641
 642 /*
 643  * This quirk list is for those non-acer machines that have AMW0_GUID1
 644  * but supported by acer-wmi in past days. Keeping this quirk list here
 645  * is only for backward compatible. Please do not add new machine to
 646  * here anymore. Those non-acer machines should be supported by
 647  * appropriate wmi drivers.
 648  */
 649 static const struct dmi_system_id non_acer_quirks[] __initconst = {
 650         {
 651                 .callback = dmi_matched,
 652                 .ident = "Fujitsu Siemens Amilo Li 1718",
 653                 .matches = {
 654                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 655                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
 656                 },
 657                 .driver_data = &quirk_fujitsu_amilo_li_1718,
 658         },
 659         {
 660                 .callback = dmi_matched,
 661                 .ident = "Medion MD 98300",
 662                 .matches = {
 663                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 664                         DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
 665                 },
 666                 .driver_data = &quirk_medion_md_98300,
 667         },
 668         {
 669                 .callback = dmi_matched,
 670                 .ident = "Lenovo Ideapad S205",
 671                 .matches = {
 672                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 673                         DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
 674                 },
 675                 .driver_data = &quirk_lenovo_ideapad_s205,
 676         },
 677         {
 678                 .callback = dmi_matched,
 679                 .ident = "Lenovo Ideapad S205 (Brazos)",
 680                 .matches = {
 681                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 682                         DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
 683                 },
 684                 .driver_data = &quirk_lenovo_ideapad_s205,
 685         },
 686         {
 687                 .callback = dmi_matched,
 688                 .ident = "Lenovo 3000 N200",
 689                 .matches = {
 690                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 691                         DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
 692                 },
 693                 .driver_data = &quirk_fujitsu_amilo_li_1718,
 694         },
 695         {
 696                 .callback = dmi_matched,
 697                 .ident = "Lenovo Ideapad S205-10382JG",
 698                 .matches = {
 699                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 700                         DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
 701                 },
 702                 .driver_data = &quirk_lenovo_ideapad_s205,
 703         },
 704         {
 705                 .callback = dmi_matched,
 706                 .ident = "Lenovo Ideapad S205-1038DPG",
 707                 .matches = {
 708                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 709                         DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
 710                 },
 711                 .driver_data = &quirk_lenovo_ideapad_s205,
 712         },
 713         {}
 714 };
 715
 716 static struct platform_profile_handler platform_profile_handler;
 717 static bool platform_profile_support;
 718
 719 /*
 720  * The profile used before turbo mode. This variable is needed for
 721  * returning from turbo mode when the mode key is in toggle mode.
 722  */
 723 static int last_non_turbo_profile;
 724
 725 enum acer_predator_v4_thermal_profile_ec {
 726         ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x04,
 727         ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x03,
 728         ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x02,
 729         ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x01,
 730         ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x00,
 731 };
 732
 733 enum acer_predator_v4_thermal_profile_wmi {
 734         ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI = 0x060B,
 735         ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI = 0x050B,
 736         ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI = 0x040B,
 737         ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI = 0x0B,
 738         ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI = 0x010B,
 739 };
 740
 741 /* Find which quirks are needed for a particular vendor/ model pair */
 742 static void __init find_quirks(void)
 743 {
 744         if (predator_v4) {
 745                 quirks = &quirk_acer_predator_v4;
 746         } else if (!force_series) {
 747                 dmi_check_system(acer_quirks);
 748                 dmi_check_system(non_acer_quirks);
 749         } else if (force_series == 2490) {
 750                 quirks = &quirk_acer_travelmate_2490;
 751         }
 752
 753         if (quirks == NULL)
 754                 quirks = &quirk_unknown;
 755 }
 756
 757 /*
 758  * General interface convenience methods
 759  */
 760
 761 static bool has_cap(u32 cap)
 762 {
 763         return interface->capability & cap;
 764 }
 765
 766 /*
 767  * AMW0 (V1) interface
 768  */
 769 struct wmab_args {
 770         u32 eax;
 771         u32 ebx;
 772         u32 ecx;
 773         u32 edx;
 774 };
 775
 776 struct wmab_ret {
 777         u32 eax;
 778         u32 ebx;
 779         u32 ecx;
 780         u32 edx;
 781         u32 eex;
 782 };
 783
 784 static acpi_status wmab_execute(struct wmab_args *regbuf,
 785 struct acpi_buffer *result)
 786 {
 787         struct acpi_buffer input;
 788         acpi_status status;
 789         input.length = sizeof(struct wmab_args);
 790         input.pointer = (u8 *)regbuf;
 791
 792         status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
 793
 794         return status;
 795 }
 796
 797 static acpi_status AMW0_get_u32(u32 *value, u32 cap)
 798 {
 799         int err;
 800         u8 result;
 801
 802         switch (cap) {
 803         case ACER_CAP_MAILLED:
 804                 switch (quirks->mailled) {
 805                 default:
 806                         err = ec_read(0xA, &result);
 807                         if (err)
 808                                 return AE_ERROR;
 809                         *value = (result >> 7) & 0x1;
 810                         return AE_OK;
 811                 }
 812                 break;
 813         case ACER_CAP_WIRELESS:
 814                 switch (quirks->wireless) {
 815                 case 1:
 816                         err = ec_read(0x7B, &result);
 817                         if (err)
 818                                 return AE_ERROR;
 819                         *value = result & 0x1;
 820                         return AE_OK;
 821                 case 2:
 822                         err = ec_read(0x71, &result);
 823                         if (err)
 824                                 return AE_ERROR;
 825                         *value = result & 0x1;
 826                         return AE_OK;
 827                 case 3:
 828                         err = ec_read(0x78, &result);
 829                         if (err)
 830                                 return AE_ERROR;
 831                         *value = result & 0x1;
 832                         return AE_OK;
 833                 default:
 834                         err = ec_read(0xA, &result);
 835                         if (err)
 836                                 return AE_ERROR;
 837                         *value = (result >> 2) & 0x1;
 838                         return AE_OK;
 839                 }
 840                 break;
 841         case ACER_CAP_BLUETOOTH:
 842                 switch (quirks->bluetooth) {
 843                 default:
 844                         err = ec_read(0xA, &result);
 845                         if (err)
 846                                 return AE_ERROR;
 847                         *value = (result >> 4) & 0x1;
 848                         return AE_OK;
 849                 }
 850                 break;
 851         case ACER_CAP_BRIGHTNESS:
 852                 switch (quirks->brightness) {
 853                 default:
 854                         err = ec_read(0x83, &result);
 855                         if (err)
 856                                 return AE_ERROR;
 857                         *value = result;
 858                         return AE_OK;
 859                 }
 860                 break;
 861         default:
 862                 return AE_ERROR;
 863         }
 864         return AE_OK;
 865 }
 866
 867 static acpi_status AMW0_set_u32(u32 value, u32 cap)
 868 {
 869         struct wmab_args args;
 870
 871         args.eax = ACER_AMW0_WRITE;
 872         args.ebx = value ? (1<<8) : 0;
 873         args.ecx = args.edx = 0;
 874
 875         switch (cap) {
 876         case ACER_CAP_MAILLED:
 877                 if (value > 1)
 878                         return AE_BAD_PARAMETER;
 879                 args.ebx |= ACER_AMW0_MAILLED_MASK;
 880                 break;
 881         case ACER_CAP_WIRELESS:
 882                 if (value > 1)
 883                         return AE_BAD_PARAMETER;
 884                 args.ebx |= ACER_AMW0_WIRELESS_MASK;
 885                 break;
 886         case ACER_CAP_BLUETOOTH:
 887                 if (value > 1)
 888                         return AE_BAD_PARAMETER;
 889                 args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
 890                 break;
 891         case ACER_CAP_BRIGHTNESS:
 892                 if (value > max_brightness)
 893                         return AE_BAD_PARAMETER;
 894                 switch (quirks->brightness) {
 895                 default:
 896                         return ec_write(0x83, value);
 897                 }
 898         default:
 899                 return AE_ERROR;
 900         }
 901
 902         /* Actually do the set */
 903         return wmab_execute(&args, NULL);
 904 }
 905
 906 static acpi_status __init AMW0_find_mailled(void)
 907 {
 908         struct wmab_args args;
 909         struct wmab_ret ret;
 910         acpi_status status = AE_OK;
 911         struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
 912         union acpi_object *obj;
 913
 914         args.eax = 0x86;
 915         args.ebx = args.ecx = args.edx = 0;
 916
 917         status = wmab_execute(&args, &out);
 918         if (ACPI_FAILURE(status))
 919                 return status;
 920
 921         obj = (union acpi_object *) out.pointer;
 922         if (obj && obj->type == ACPI_TYPE_BUFFER &&
 923         obj->buffer.length == sizeof(struct wmab_ret)) {
 924                 ret = *((struct wmab_ret *) obj->buffer.pointer);
 925         } else {
 926                 kfree(out.pointer);
 927                 return AE_ERROR;
 928         }
 929
 930         if (ret.eex & 0x1)
 931                 interface->capability |= ACER_CAP_MAILLED;
 932
 933         kfree(out.pointer);
 934
 935         return AE_OK;
 936 }
 937
 938 static const struct acpi_device_id norfkill_ids[] __initconst = {
 939         { "VPC2004", 0},
 940         { "IBM0068", 0},
 941         { "LEN0068", 0},
 942         { "SNY5001", 0},        /* sony-laptop in charge */
 943         { "HPQ6601", 0},
 944         { "", 0},
 945 };
 946
 947 static int __init AMW0_set_cap_acpi_check_device(void)
 948 {
 949         const struct acpi_device_id *id;
 950
 951         for (id = norfkill_ids; id->id[0]; id++)
 952                 if (acpi_dev_found(id->id))
 953                         return true;
 954
 955         return false;
 956 }
 957
 958 static acpi_status __init AMW0_set_capabilities(void)
 959 {
 960         struct wmab_args args;
 961         struct wmab_ret ret;
 962         acpi_status status;
 963         struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
 964         union acpi_object *obj;
 965
 966         /*
 967          * On laptops with this strange GUID (non Acer), normal probing doesn't
 968          * work.
 969          */
 970         if (wmi_has_guid(AMW0_GUID2)) {
 971                 if ((quirks != &quirk_unknown) ||
 972                     !AMW0_set_cap_acpi_check_device())
 973                         interface->capability |= ACER_CAP_WIRELESS;
 974                 return AE_OK;
 975         }
 976
 977         args.eax = ACER_AMW0_WRITE;
 978         args.ecx = args.edx = 0;
 979
 980         args.ebx = 0xa2 << 8;
 981         args.ebx |= ACER_AMW0_WIRELESS_MASK;
 982
 983         status = wmab_execute(&args, &out);
 984         if (ACPI_FAILURE(status))
 985                 return status;
 986
 987         obj = out.pointer;
 988         if (obj && obj->type == ACPI_TYPE_BUFFER &&
 989         obj->buffer.length == sizeof(struct wmab_ret)) {
 990                 ret = *((struct wmab_ret *) obj->buffer.pointer);
 991         } else {
 992                 status = AE_ERROR;
 993                 goto out;
 994         }
 995
 996         if (ret.eax & 0x1)
 997                 interface->capability |= ACER_CAP_WIRELESS;
 998
 999         args.ebx = 2 << 8;
1000         args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
1001
1002         /*
1003          * It's ok to use existing buffer for next wmab_execute call.
1004          * But we need to kfree(out.pointer) if next wmab_execute fail.
1005          */
1006         status = wmab_execute(&args, &out);
1007         if (ACPI_FAILURE(status))
1008                 goto out;
1009
1010         obj = (union acpi_object *) out.pointer;
1011         if (obj && obj->type == ACPI_TYPE_BUFFER
1012         && obj->buffer.length == sizeof(struct wmab_ret)) {
1013                 ret = *((struct wmab_ret *) obj->buffer.pointer);
1014         } else {
1015                 status = AE_ERROR;
1016                 goto out;
1017         }
1018
1019         if (ret.eax & 0x1)
1020                 interface->capability |= ACER_CAP_BLUETOOTH;
1021
1022         /*
1023          * This appears to be safe to enable, since all Wistron based laptops
1024          * appear to use the same EC register for brightness, even if they
1025          * differ for wireless, etc
1026          */
1027         if (quirks->brightness >= 0)
1028                 interface->capability |= ACER_CAP_BRIGHTNESS;
1029
1030         status = AE_OK;
1031 out:
1032         kfree(out.pointer);
1033         return status;
1034 }
1035
1036 static struct wmi_interface AMW0_interface = {
1037         .type = ACER_AMW0,
1038 };
1039
1040 static struct wmi_interface AMW0_V2_interface = {
1041         .type = ACER_AMW0_V2,
1042 };
1043
1044 /*
1045  * New interface (The WMID interface)
1046  */
1047 static acpi_status
1048 WMI_execute_u32(u32 method_id, u32 in, u32 *out)
1049 {
1050         struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
1051         struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1052         union acpi_object *obj;
1053         u32 tmp = 0;
1054         acpi_status status;
1055
1056         status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
1057
1058         if (ACPI_FAILURE(status))
1059                 return status;
1060
1061         obj = (union acpi_object *) result.pointer;
1062         if (obj) {
1063                 if (obj->type == ACPI_TYPE_BUFFER &&
1064                         (obj->buffer.length == sizeof(u32) ||
1065                         obj->buffer.length == sizeof(u64))) {
1066                         tmp = *((u32 *) obj->buffer.pointer);
1067                 } else if (obj->type == ACPI_TYPE_INTEGER) {
1068                         tmp = (u32) obj->integer.value;
1069                 }
1070         }
1071
1072         if (out)
1073                 *out = tmp;
1074
1075         kfree(result.pointer);
1076
1077         return status;
1078 }
1079
1080 static acpi_status WMID_get_u32(u32 *value, u32 cap)
1081 {
1082         acpi_status status;
1083         u8 tmp;
1084         u32 result, method_id = 0;
1085
1086         switch (cap) {
1087         case ACER_CAP_WIRELESS:
1088                 method_id = ACER_WMID_GET_WIRELESS_METHODID;
1089                 break;
1090         case ACER_CAP_BLUETOOTH:
1091                 method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
1092                 break;
1093         case ACER_CAP_BRIGHTNESS:
1094                 method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
1095                 break;
1096         case ACER_CAP_THREEG:
1097                 method_id = ACER_WMID_GET_THREEG_METHODID;
1098                 break;
1099         case ACER_CAP_MAILLED:
1100                 if (quirks->mailled == 1) {
1101                         ec_read(0x9f, &tmp);
1102                         *value = tmp & 0x1;
1103                         return 0;
1104                 }
1105                 fallthrough;
1106         default:
1107                 return AE_ERROR;
1108         }
1109         status = WMI_execute_u32(method_id, 0, &result);
1110
1111         if (ACPI_SUCCESS(status))
1112                 *value = (u8)result;
1113
1114         return status;
1115 }
1116
1117 static acpi_status WMID_set_u32(u32 value, u32 cap)
1118 {
1119         u32 method_id = 0;
1120         char param;
1121
1122         switch (cap) {
1123         case ACER_CAP_BRIGHTNESS:
1124                 if (value > max_brightness)
1125                         return AE_BAD_PARAMETER;
1126                 method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
1127                 break;
1128         case ACER_CAP_WIRELESS:
1129                 if (value > 1)
1130                         return AE_BAD_PARAMETER;
1131                 method_id = ACER_WMID_SET_WIRELESS_METHODID;
1132                 break;
1133         case ACER_CAP_BLUETOOTH:
1134                 if (value > 1)
1135                         return AE_BAD_PARAMETER;
1136                 method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
1137                 break;
1138         case ACER_CAP_THREEG:
1139                 if (value > 1)
1140                         return AE_BAD_PARAMETER;
1141                 method_id = ACER_WMID_SET_THREEG_METHODID;
1142                 break;
1143         case ACER_CAP_MAILLED:
1144                 if (value > 1)
1145                         return AE_BAD_PARAMETER;
1146                 if (quirks->mailled == 1) {
1147                         param = value ? 0x92 : 0x93;
1148                         i8042_lock_chip();
1149                         i8042_command(&param, 0x1059);
1150                         i8042_unlock_chip();
1151                         return 0;
1152                 }
1153                 break;
1154         default:
1155                 return AE_ERROR;
1156         }
1157         return WMI_execute_u32(method_id, (u32)value, NULL);
1158 }
1159
1160 static acpi_status wmid3_get_device_status(u32 *value, u16 device)
1161 {
1162         struct wmid3_gds_return_value return_value;
1163         acpi_status status;
1164         union acpi_object *obj;
1165         struct wmid3_gds_get_input_param params = {
1166                 .function_num = 0x1,
1167                 .hotkey_number = commun_fn_key_number,
1168                 .devices = device,
1169         };
1170         struct acpi_buffer input = {
1171                 sizeof(struct wmid3_gds_get_input_param),
1172                 &params
1173         };
1174         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1175
1176         status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
1177         if (ACPI_FAILURE(status))
1178                 return status;
1179
1180         obj = output.pointer;
1181
1182         if (!obj)
1183                 return AE_ERROR;
1184         else if (obj->type != ACPI_TYPE_BUFFER) {
1185                 kfree(obj);
1186                 return AE_ERROR;
1187         }
1188         if (obj->buffer.length != 8) {
1189                 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1190                 kfree(obj);
1191                 return AE_ERROR;
1192         }
1193
1194         return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1195         kfree(obj);
1196
1197         if (return_value.error_code || return_value.ec_return_value)
1198                 pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
1199                         device,
1200                         return_value.error_code,
1201                         return_value.ec_return_value);
1202         else
1203                 *value = !!(return_value.devices & device);
1204
1205         return status;
1206 }
1207
1208 static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
1209 {
1210         u16 device;
1211
1212         switch (cap) {
1213         case ACER_CAP_WIRELESS:
1214                 device = ACER_WMID3_GDS_WIRELESS;
1215                 break;
1216         case ACER_CAP_BLUETOOTH:
1217                 device = ACER_WMID3_GDS_BLUETOOTH;
1218                 break;
1219         case ACER_CAP_THREEG:
1220                 device = ACER_WMID3_GDS_THREEG;
1221                 break;
1222         default:
1223                 return AE_ERROR;
1224         }
1225         return wmid3_get_device_status(value, device);
1226 }
1227
1228 static acpi_status wmid3_set_device_status(u32 value, u16 device)
1229 {
1230         struct wmid3_gds_return_value return_value;
1231         acpi_status status;
1232         union acpi_object *obj;
1233         u16 devices;
1234         struct wmid3_gds_get_input_param get_params = {
1235                 .function_num = 0x1,
1236                 .hotkey_number = commun_fn_key_number,
1237                 .devices = commun_func_bitmap,
1238         };
1239         struct acpi_buffer get_input = {
1240                 sizeof(struct wmid3_gds_get_input_param),
1241                 &get_params
1242         };
1243         struct wmid3_gds_set_input_param set_params = {
1244                 .function_num = 0x2,
1245                 .hotkey_number = commun_fn_key_number,
1246                 .devices = commun_func_bitmap,
1247         };
1248         struct acpi_buffer set_input = {
1249                 sizeof(struct wmid3_gds_set_input_param),
1250                 &set_params
1251         };
1252         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1253         struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
1254
1255         status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
1256         if (ACPI_FAILURE(status))
1257                 return status;
1258
1259         obj = output.pointer;
1260
1261         if (!obj)
1262                 return AE_ERROR;
1263         else if (obj->type != ACPI_TYPE_BUFFER) {
1264                 kfree(obj);
1265                 return AE_ERROR;
1266         }
1267         if (obj->buffer.length != 8) {
1268                 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1269                 kfree(obj);
1270                 return AE_ERROR;
1271         }
1272
1273         return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1274         kfree(obj);
1275
1276         if (return_value.error_code || return_value.ec_return_value) {
1277                 pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
1278                         return_value.error_code,
1279                         return_value.ec_return_value);
1280                 return status;
1281         }
1282
1283         devices = return_value.devices;
1284         set_params.devices = (value) ? (devices | device) : (devices & ~device);
1285
1286         status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
1287         if (ACPI_FAILURE(status))
1288                 return status;
1289
1290         obj = output2.pointer;
1291
1292         if (!obj)
1293                 return AE_ERROR;
1294         else if (obj->type != ACPI_TYPE_BUFFER) {
1295                 kfree(obj);
1296                 return AE_ERROR;
1297         }
1298         if (obj->buffer.length != 4) {
1299                 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
1300                 kfree(obj);
1301                 return AE_ERROR;
1302         }
1303
1304         return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
1305         kfree(obj);
1306
1307         if (return_value.error_code || return_value.ec_return_value)
1308                 pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
1309                         return_value.error_code,
1310                         return_value.ec_return_value);
1311
1312         return status;
1313 }
1314
1315 static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
1316 {
1317         u16 device;
1318
1319         switch (cap) {
1320         case ACER_CAP_WIRELESS:
1321                 device = ACER_WMID3_GDS_WIRELESS;
1322                 break;
1323         case ACER_CAP_BLUETOOTH:
1324                 device = ACER_WMID3_GDS_BLUETOOTH;
1325                 break;
1326         case ACER_CAP_THREEG:
1327                 device = ACER_WMID3_GDS_THREEG;
1328                 break;
1329         default:
1330                 return AE_ERROR;
1331         }
1332         return wmid3_set_device_status(value, device);
1333 }
1334
1335 static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
1336 {
1337         struct hotkey_function_type_aa *type_aa;
1338
1339         /* We are looking for OEM-specific Type AAh */
1340         if (header->type != 0xAA)
1341                 return;
1342
1343         has_type_aa = true;
1344         type_aa = (struct hotkey_function_type_aa *) header;
1345
1346         pr_info("Function bitmap for Communication Button: 0x%x\n",
1347                 type_aa->commun_func_bitmap);
1348         commun_func_bitmap = type_aa->commun_func_bitmap;
1349
1350         if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
1351                 interface->capability |= ACER_CAP_WIRELESS;
1352         if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
1353                 interface->capability |= ACER_CAP_THREEG;
1354         if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
1355                 interface->capability |= ACER_CAP_BLUETOOTH;
1356         if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
1357                 commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
1358
1359         commun_fn_key_number = type_aa->commun_fn_key_number;
1360 }
1361
1362 static acpi_status __init WMID_set_capabilities(void)
1363 {
1364         struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
1365         union acpi_object *obj;
1366         acpi_status status;
1367         u32 devices;
1368
1369         status = wmi_query_block(WMID_GUID2, 0, &out);
1370         if (ACPI_FAILURE(status))
1371                 return status;
1372
1373         obj = (union acpi_object *) out.pointer;
1374         if (obj) {
1375                 if (obj->type == ACPI_TYPE_BUFFER &&
1376                         (obj->buffer.length == sizeof(u32) ||
1377                         obj->buffer.length == sizeof(u64))) {
1378                         devices = *((u32 *) obj->buffer.pointer);
1379                 } else if (obj->type == ACPI_TYPE_INTEGER) {
1380                         devices = (u32) obj->integer.value;
1381                 } else {
1382                         kfree(out.pointer);
1383                         return AE_ERROR;
1384                 }
1385         } else {
1386                 kfree(out.pointer);
1387                 return AE_ERROR;
1388         }
1389
1390         pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
1391         if (devices & 0x07)
1392                 interface->capability |= ACER_CAP_WIRELESS;
1393         if (devices & 0x40)
1394                 interface->capability |= ACER_CAP_THREEG;
1395         if (devices & 0x10)
1396                 interface->capability |= ACER_CAP_BLUETOOTH;
1397
1398         if (!(devices & 0x20))
1399                 max_brightness = 0x9;
1400
1401         kfree(out.pointer);
1402         return status;
1403 }
1404
1405 static struct wmi_interface wmid_interface = {
1406         .type = ACER_WMID,
1407 };
1408
1409 static struct wmi_interface wmid_v2_interface = {
1410         .type = ACER_WMID_v2,
1411 };
1412
1413 /*
1414  * WMID Gaming interface
1415  */
1416
1417 static acpi_status
1418 WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out)
1419 {
1420         struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) };
1421         struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
1422         union acpi_object *obj;
1423         u64 tmp = 0;
1424         acpi_status status;
1425
1426         status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
1427
1428         if (ACPI_FAILURE(status))
1429                 return status;
1430         obj = (union acpi_object *) result.pointer;
1431
1432         if (obj) {
1433                 if (obj->type == ACPI_TYPE_BUFFER) {
1434                         if (obj->buffer.length == sizeof(u32))
1435                                 tmp = *((u32 *) obj->buffer.pointer);
1436                         else if (obj->buffer.length == sizeof(u64))
1437                                 tmp = *((u64 *) obj->buffer.pointer);
1438                 } else if (obj->type == ACPI_TYPE_INTEGER) {
1439                         tmp = (u64) obj->integer.value;
1440                 }
1441         }
1442
1443         if (out)
1444                 *out = tmp;
1445
1446         kfree(result.pointer);
1447
1448         return status;
1449 }
1450
1451 static acpi_status WMID_gaming_set_u64(u64 value, u32 cap)
1452 {
1453         u32 method_id = 0;
1454
1455         if (!(interface->capability & cap))
1456                 return AE_BAD_PARAMETER;
1457
1458         switch (cap) {
1459         case ACER_CAP_TURBO_LED:
1460                 method_id = ACER_WMID_SET_GAMING_LED_METHODID;
1461                 break;
1462         case ACER_CAP_TURBO_FAN:
1463                 method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR;
1464                 break;
1465         case ACER_CAP_TURBO_OC:
1466                 method_id = ACER_WMID_SET_GAMING_MISC_SETTING_METHODID;
1467                 break;
1468         default:
1469                 return AE_BAD_PARAMETER;
1470         }
1471
1472         return WMI_gaming_execute_u64(method_id, value, NULL);
1473 }
1474
1475 static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap)
1476 {
1477         acpi_status status;
1478         u64 result;
1479         u64 input;
1480         u32 method_id;
1481
1482         if (!(interface->capability & cap))
1483                 return AE_BAD_PARAMETER;
1484
1485         switch (cap) {
1486         case ACER_CAP_TURBO_LED:
1487                 method_id = ACER_WMID_GET_GAMING_LED_METHODID;
1488                 input = 0x1;
1489                 break;
1490         default:
1491                 return AE_BAD_PARAMETER;
1492         }
1493         status = WMI_gaming_execute_u64(method_id, input, &result);
1494         if (ACPI_SUCCESS(status))
1495                 *value = (u64) result;
1496
1497         return status;
1498 }
1499
1500 static void WMID_gaming_set_fan_mode(u8 fan_mode)
1501 {
1502         /* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/
1503         u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0;
1504         int i;
1505
1506         if (quirks->cpu_fans > 0)
1507                 gpu_fan_config2 |= 1;
1508         for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1509                 gpu_fan_config2 |= 1 << (i + 1);
1510         for (i = 0; i < quirks->gpu_fans; ++i)
1511                 gpu_fan_config2 |= 1 << (i + 3);
1512         if (quirks->cpu_fans > 0)
1513                 gpu_fan_config1 |= fan_mode;
1514         for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
1515                 gpu_fan_config1 |= fan_mode << (2 * i + 2);
1516         for (i = 0; i < quirks->gpu_fans; ++i)
1517                 gpu_fan_config1 |= fan_mode << (2 * i + 6);
1518         WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN);
1519 }
1520
1521 /*
1522  * Generic Device (interface-independent)
1523  */
1524
1525 static acpi_status get_u32(u32 *value, u32 cap)
1526 {
1527         acpi_status status = AE_ERROR;
1528
1529         switch (interface->type) {
1530         case ACER_AMW0:
1531                 status = AMW0_get_u32(value, cap);
1532                 break;
1533         case ACER_AMW0_V2:
1534                 if (cap == ACER_CAP_MAILLED) {
1535                         status = AMW0_get_u32(value, cap);
1536                         break;
1537                 }
1538                 fallthrough;
1539         case ACER_WMID:
1540                 status = WMID_get_u32(value, cap);
1541                 break;
1542         case ACER_WMID_v2:
1543                 if (cap & (ACER_CAP_WIRELESS |
1544                            ACER_CAP_BLUETOOTH |
1545                            ACER_CAP_THREEG))
1546                         status = wmid_v2_get_u32(value, cap);
1547                 else if (wmi_has_guid(WMID_GUID2))
1548                         status = WMID_get_u32(value, cap);
1549                 break;
1550         }
1551
1552         return status;
1553 }
1554
1555 static acpi_status set_u32(u32 value, u32 cap)
1556 {
1557         acpi_status status;
1558
1559         if (interface->capability & cap) {
1560                 switch (interface->type) {
1561                 case ACER_AMW0:
1562                         return AMW0_set_u32(value, cap);
1563                 case ACER_AMW0_V2:
1564                         if (cap == ACER_CAP_MAILLED)
1565                                 return AMW0_set_u32(value, cap);
1566
1567                         /*
1568                          * On some models, some WMID methods don't toggle
1569                          * properly. For those cases, we want to run the AMW0
1570                          * method afterwards to be certain we've really toggled
1571                          * the device state.
1572                          */
1573                         if (cap == ACER_CAP_WIRELESS ||
1574                                 cap == ACER_CAP_BLUETOOTH) {
1575                                 status = WMID_set_u32(value, cap);
1576                                 if (ACPI_FAILURE(status))
1577                                         return status;
1578
1579                                 return AMW0_set_u32(value, cap);
1580                         }
1581                         fallthrough;
1582                 case ACER_WMID:
1583                         return WMID_set_u32(value, cap);
1584                 case ACER_WMID_v2:
1585                         if (cap & (ACER_CAP_WIRELESS |
1586                                    ACER_CAP_BLUETOOTH |
1587                                    ACER_CAP_THREEG))
1588                                 return wmid_v2_set_u32(value, cap);
1589                         else if (wmi_has_guid(WMID_GUID2))
1590                                 return WMID_set_u32(value, cap);
1591                         fallthrough;
1592                 default:
1593                         return AE_BAD_PARAMETER;
1594                 }
1595         }
1596         return AE_BAD_PARAMETER;
1597 }
1598
1599 static void __init acer_commandline_init(void)
1600 {
1601         /*
1602          * These will all fail silently if the value given is invalid, or the
1603          * capability isn't available on the given interface
1604          */
1605         if (mailled >= 0)
1606                 set_u32(mailled, ACER_CAP_MAILLED);
1607         if (!has_type_aa && threeg >= 0)
1608                 set_u32(threeg, ACER_CAP_THREEG);
1609         if (brightness >= 0)
1610                 set_u32(brightness, ACER_CAP_BRIGHTNESS);
1611 }
1612
1613 /*
1614  * LED device (Mail LED only, no other LEDs known yet)
1615  */
1616 static void mail_led_set(struct led_classdev *led_cdev,
1617 enum led_brightness value)
1618 {
1619         set_u32(value, ACER_CAP_MAILLED);
1620 }
1621
1622 static struct led_classdev mail_led = {
1623         .name = "acer-wmi::mail",
1624         .brightness_set = mail_led_set,
1625 };
1626
1627 static int acer_led_init(struct device *dev)
1628 {
1629         return led_classdev_register(dev, &mail_led);
1630 }
1631
1632 static void acer_led_exit(void)
1633 {
1634         set_u32(LED_OFF, ACER_CAP_MAILLED);
1635         led_classdev_unregister(&mail_led);
1636 }
1637
1638 /*
1639  * Backlight device
1640  */
1641 static struct backlight_device *acer_backlight_device;
1642
1643 static int read_brightness(struct backlight_device *bd)
1644 {
1645         u32 value;
1646         get_u32(&value, ACER_CAP_BRIGHTNESS);
1647         return value;
1648 }
1649
1650 static int update_bl_status(struct backlight_device *bd)
1651 {
1652         int intensity = backlight_get_brightness(bd);
1653
1654         set_u32(intensity, ACER_CAP_BRIGHTNESS);
1655
1656         return 0;
1657 }
1658
1659 static const struct backlight_ops acer_bl_ops = {
1660         .get_brightness = read_brightness,
1661         .update_status = update_bl_status,
1662 };
1663
1664 static int acer_backlight_init(struct device *dev)
1665 {
1666         struct backlight_properties props;
1667         struct backlight_device *bd;
1668
1669         memset(&props, 0, sizeof(struct backlight_properties));
1670         props.type = BACKLIGHT_PLATFORM;
1671         props.max_brightness = max_brightness;
1672         bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
1673                                        &props);
1674         if (IS_ERR(bd)) {
1675                 pr_err("Could not register Acer backlight device\n");
1676                 acer_backlight_device = NULL;
1677                 return PTR_ERR(bd);
1678         }
1679
1680         acer_backlight_device = bd;
1681
1682         bd->props.power = BACKLIGHT_POWER_ON;
1683         bd->props.brightness = read_brightness(bd);
1684         backlight_update_status(bd);
1685         return 0;
1686 }
1687
1688 static void acer_backlight_exit(void)
1689 {
1690         backlight_device_unregister(acer_backlight_device);
1691 }
1692
1693 /*
1694  * Accelerometer device
1695  */
1696 static acpi_handle gsensor_handle;
1697
1698 static int acer_gsensor_init(void)
1699 {
1700         acpi_status status;
1701         struct acpi_buffer output;
1702         union acpi_object out_obj;
1703
1704         output.length = sizeof(out_obj);
1705         output.pointer = &out_obj;
1706         status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
1707         if (ACPI_FAILURE(status))
1708                 return -1;
1709
1710         return 0;
1711 }
1712
1713 static int acer_gsensor_open(struct input_dev *input)
1714 {
1715         return acer_gsensor_init();
1716 }
1717
1718 static int acer_gsensor_event(void)
1719 {
1720         acpi_status status;
1721         struct acpi_buffer output;
1722         union acpi_object out_obj[5];
1723
1724         if (!acer_wmi_accel_dev)
1725                 return -1;
1726
1727         output.length = sizeof(out_obj);
1728         output.pointer = out_obj;
1729
1730         status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
1731         if (ACPI_FAILURE(status))
1732                 return -1;
1733
1734         if (out_obj->package.count != 4)
1735                 return -1;
1736
1737         input_report_abs(acer_wmi_accel_dev, ABS_X,
1738                 (s16)out_obj->package.elements[0].integer.value);
1739         input_report_abs(acer_wmi_accel_dev, ABS_Y,
1740                 (s16)out_obj->package.elements[1].integer.value);
1741         input_report_abs(acer_wmi_accel_dev, ABS_Z,
1742                 (s16)out_obj->package.elements[2].integer.value);
1743         input_sync(acer_wmi_accel_dev);
1744         return 0;
1745 }
1746
1747 static int acer_get_fan_speed(int fan)
1748 {
1749         if (quirks->predator_v4) {
1750                 acpi_status status;
1751                 u64 fanspeed;
1752
1753                 status = WMI_gaming_execute_u64(
1754                         ACER_WMID_GET_GAMING_SYS_INFO_METHODID,
1755                         fan == 0 ? ACER_WMID_CMD_GET_PREDATOR_V4_CPU_FAN_SPEED :
1756                                    ACER_WMID_CMD_GET_PREDATOR_V4_GPU_FAN_SPEED,
1757                         &fanspeed);
1758
1759                 if (ACPI_FAILURE(status))
1760                         return -EIO;
1761
1762                 return FIELD_GET(ACER_PREDATOR_V4_FAN_SPEED_READ_BIT_MASK, fanspeed);
1763         }
1764         return -EOPNOTSUPP;
1765 }
1766
1767 /*
1768  *  Predator series turbo button
1769  */
1770 static int acer_toggle_turbo(void)
1771 {
1772         u64 turbo_led_state;
1773
1774         /* Get current state from turbo button */
1775         if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED)))
1776                 return -1;
1777
1778         if (turbo_led_state) {
1779                 /* Turn off turbo led */
1780                 WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
1781
1782                 /* Set FAN mode to auto */
1783                 WMID_gaming_set_fan_mode(0x1);
1784
1785                 /* Set OC to normal */
1786                 WMID_gaming_set_u64(0x5, ACER_CAP_TURBO_OC);
1787                 WMID_gaming_set_u64(0x7, ACER_CAP_TURBO_OC);
1788         } else {
1789                 /* Turn on turbo led */
1790                 WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED);
1791
1792                 /* Set FAN mode to turbo */
1793                 WMID_gaming_set_fan_mode(0x2);
1794
1795                 /* Set OC to turbo mode */
1796                 WMID_gaming_set_u64(0x205, ACER_CAP_TURBO_OC);
1797                 WMID_gaming_set_u64(0x207, ACER_CAP_TURBO_OC);
1798         }
1799         return turbo_led_state;
1800 }
1801
1802 static int
1803 acer_predator_v4_platform_profile_get(struct platform_profile_handler *pprof,
1804                                       enum platform_profile_option *profile)
1805 {
1806         u8 tp;
1807         int err;
1808
1809         err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET, &tp);
1810
1811         if (err < 0)
1812                 return err;
1813
1814         switch (tp) {
1815         case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1816                 *profile = PLATFORM_PROFILE_PERFORMANCE;
1817                 break;
1818         case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1819                 *profile = PLATFORM_PROFILE_BALANCED_PERFORMANCE;
1820                 break;
1821         case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1822                 *profile = PLATFORM_PROFILE_BALANCED;
1823                 break;
1824         case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1825                 *profile = PLATFORM_PROFILE_QUIET;
1826                 break;
1827         case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1828                 *profile = PLATFORM_PROFILE_LOW_POWER;
1829                 break;
1830         default:
1831                 return -EOPNOTSUPP;
1832         }
1833
1834         return 0;
1835 }
1836
1837 static int
1838 acer_predator_v4_platform_profile_set(struct platform_profile_handler *pprof,
1839                                       enum platform_profile_option profile)
1840 {
1841         int tp;
1842         acpi_status status;
1843
1844         switch (profile) {
1845         case PLATFORM_PROFILE_PERFORMANCE:
1846                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1847                 break;
1848         case PLATFORM_PROFILE_BALANCED_PERFORMANCE:
1849                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI;
1850                 break;
1851         case PLATFORM_PROFILE_BALANCED:
1852                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1853                 break;
1854         case PLATFORM_PROFILE_QUIET:
1855                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI;
1856                 break;
1857         case PLATFORM_PROFILE_LOW_POWER:
1858                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1859                 break;
1860         default:
1861                 return -EOPNOTSUPP;
1862         }
1863
1864         status = WMI_gaming_execute_u64(
1865                 ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL);
1866
1867         if (ACPI_FAILURE(status))
1868                 return -EIO;
1869
1870         if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI)
1871                 last_non_turbo_profile = tp;
1872
1873         return 0;
1874 }
1875
1876 static int acer_platform_profile_setup(void)
1877 {
1878         if (quirks->predator_v4) {
1879                 int err;
1880
1881                 platform_profile_handler.profile_get =
1882                         acer_predator_v4_platform_profile_get;
1883                 platform_profile_handler.profile_set =
1884                         acer_predator_v4_platform_profile_set;
1885
1886                 set_bit(PLATFORM_PROFILE_PERFORMANCE,
1887                         platform_profile_handler.choices);
1888                 set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE,
1889                         platform_profile_handler.choices);
1890                 set_bit(PLATFORM_PROFILE_BALANCED,
1891                         platform_profile_handler.choices);
1892                 set_bit(PLATFORM_PROFILE_QUIET,
1893                         platform_profile_handler.choices);
1894                 set_bit(PLATFORM_PROFILE_LOW_POWER,
1895                         platform_profile_handler.choices);
1896
1897                 err = platform_profile_register(&platform_profile_handler);
1898                 if (err)
1899                         return err;
1900
1901                 platform_profile_support = true;
1902
1903                 /* Set default non-turbo profile  */
1904                 last_non_turbo_profile =
1905                         ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1906         }
1907         return 0;
1908 }
1909
1910 static int acer_thermal_profile_change(void)
1911 {
1912         /*
1913          * This mode key can rotate each mode or toggle turbo mode.
1914          * On battery, only ECO and BALANCED mode are available.
1915          */
1916         if (quirks->predator_v4) {
1917                 u8 current_tp;
1918                 int tp, err;
1919                 u64 on_AC;
1920                 acpi_status status;
1921
1922                 err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET,
1923                               &current_tp);
1924
1925                 if (err < 0)
1926                         return err;
1927
1928                 /* Check power source */
1929                 status = WMI_gaming_execute_u64(
1930                         ACER_WMID_GET_GAMING_SYS_INFO_METHODID,
1931                         ACER_WMID_CMD_GET_PREDATOR_V4_BAT_STATUS, &on_AC);
1932
1933                 if (ACPI_FAILURE(status))
1934                         return -EIO;
1935
1936                 switch (current_tp) {
1937                 case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO:
1938                         if (!on_AC)
1939                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1940                         else if (cycle_gaming_thermal_profile)
1941                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1942                         else
1943                                 tp = last_non_turbo_profile;
1944                         break;
1945                 case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE:
1946                         if (!on_AC)
1947                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1948                         else
1949                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1950                         break;
1951                 case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED:
1952                         if (!on_AC)
1953                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI;
1954                         else if (cycle_gaming_thermal_profile)
1955                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI;
1956                         else
1957                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1958                         break;
1959                 case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET:
1960                         if (!on_AC)
1961                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1962                         else if (cycle_gaming_thermal_profile)
1963                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1964                         else
1965                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1966                         break;
1967                 case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO:
1968                         if (!on_AC)
1969                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI;
1970                         else if (cycle_gaming_thermal_profile)
1971                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI;
1972                         else
1973                                 tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI;
1974                         break;
1975                 default:
1976                         return -EOPNOTSUPP;
1977                 }
1978
1979                 status = WMI_gaming_execute_u64(
1980                         ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL);
1981
1982                 if (ACPI_FAILURE(status))
1983                         return -EIO;
1984
1985                 /* Store non-turbo profile for turbo mode toggle*/
1986                 if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI)
1987                         last_non_turbo_profile = tp;
1988
1989                 platform_profile_notify();
1990         }
1991
1992         return 0;
1993 }
1994
1995 /*
1996  * Switch series keyboard dock status
1997  */
1998 static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
1999 {
2000         switch (kbd_dock_state) {
2001         case 0x01: /* Docked, traditional clamshell laptop mode */
2002                 return 0;
2003         case 0x04: /* Stand-alone tablet */
2004         case 0x40: /* Docked, tent mode, keyboard not usable */
2005                 return 1;
2006         default:
2007                 pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
2008         }
2009
2010         return 0;
2011 }
2012
2013 static void acer_kbd_dock_get_initial_state(void)
2014 {
2015         u8 *output, input[8] = { 0x05, 0x00, };
2016         struct acpi_buffer input_buf = { sizeof(input), input };
2017         struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
2018         union acpi_object *obj;
2019         acpi_status status;
2020         int sw_tablet_mode;
2021
2022         status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
2023         if (ACPI_FAILURE(status)) {
2024                 pr_err("Error getting keyboard-dock initial status: %s\n",
2025                        acpi_format_exception(status));
2026                 return;
2027         }
2028
2029         obj = output_buf.pointer;
2030         if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
2031                 pr_err("Unexpected output format getting keyboard-dock initial status\n");
2032                 goto out_free_obj;
2033         }
2034
2035         output = obj->buffer.pointer;
2036         if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
2037                 pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
2038                        output[0], output[3]);
2039                 goto out_free_obj;
2040         }
2041
2042         sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
2043         input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2044
2045 out_free_obj:
2046         kfree(obj);
2047 }
2048
2049 static void acer_kbd_dock_event(const struct event_return_value *event)
2050 {
2051         int sw_tablet_mode;
2052
2053         if (!has_cap(ACER_CAP_KBD_DOCK))
2054                 return;
2055
2056         sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
2057         input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
2058         input_sync(acer_wmi_input_dev);
2059 }
2060
2061 /*
2062  * Rfkill devices
2063  */
2064 static void acer_rfkill_update(struct work_struct *ignored);
2065 static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
2066 static void acer_rfkill_update(struct work_struct *ignored)
2067 {
2068         u32 state;
2069         acpi_status status;
2070
2071         if (has_cap(ACER_CAP_WIRELESS)) {
2072                 status = get_u32(&state, ACER_CAP_WIRELESS);
2073                 if (ACPI_SUCCESS(status)) {
2074                         if (quirks->wireless == 3)
2075                                 rfkill_set_hw_state(wireless_rfkill, !state);
2076                         else
2077                                 rfkill_set_sw_state(wireless_rfkill, !state);
2078                 }
2079         }
2080
2081         if (has_cap(ACER_CAP_BLUETOOTH)) {
2082                 status = get_u32(&state, ACER_CAP_BLUETOOTH);
2083                 if (ACPI_SUCCESS(status))
2084                         rfkill_set_sw_state(bluetooth_rfkill, !state);
2085         }
2086
2087         if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
2088                 status = get_u32(&state, ACER_WMID3_GDS_THREEG);
2089                 if (ACPI_SUCCESS(status))
2090                         rfkill_set_sw_state(threeg_rfkill, !state);
2091         }
2092
2093         schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
2094 }
2095
2096 static int acer_rfkill_set(void *data, bool blocked)
2097 {
2098         acpi_status status;
2099         u32 cap = (unsigned long)data;
2100
2101         if (rfkill_inited) {
2102                 status = set_u32(!blocked, cap);
2103                 if (ACPI_FAILURE(status))
2104                         return -ENODEV;
2105         }
2106
2107         return 0;
2108 }
2109
2110 static const struct rfkill_ops acer_rfkill_ops = {
2111         .set_block = acer_rfkill_set,
2112 };
2113
2114 static struct rfkill *acer_rfkill_register(struct device *dev,
2115                                            enum rfkill_type type,
2116                                            char *name, u32 cap)
2117 {
2118         int err;
2119         struct rfkill *rfkill_dev;
2120         u32 state;
2121         acpi_status status;
2122
2123         rfkill_dev = rfkill_alloc(name, dev, type,
2124                                   &acer_rfkill_ops,
2125                                   (void *)(unsigned long)cap);
2126         if (!rfkill_dev)
2127                 return ERR_PTR(-ENOMEM);
2128
2129         status = get_u32(&state, cap);
2130
2131         err = rfkill_register(rfkill_dev);
2132         if (err) {
2133                 rfkill_destroy(rfkill_dev);
2134                 return ERR_PTR(err);
2135         }
2136
2137         if (ACPI_SUCCESS(status))
2138                 rfkill_set_sw_state(rfkill_dev, !state);
2139
2140         return rfkill_dev;
2141 }
2142
2143 static int acer_rfkill_init(struct device *dev)
2144 {
2145         int err;
2146
2147         if (has_cap(ACER_CAP_WIRELESS)) {
2148                 wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
2149                         "acer-wireless", ACER_CAP_WIRELESS);
2150                 if (IS_ERR(wireless_rfkill)) {
2151                         err = PTR_ERR(wireless_rfkill);
2152                         goto error_wireless;
2153                 }
2154         }
2155
2156         if (has_cap(ACER_CAP_BLUETOOTH)) {
2157                 bluetooth_rfkill = acer_rfkill_register(dev,
2158                         RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
2159                         ACER_CAP_BLUETOOTH);
2160                 if (IS_ERR(bluetooth_rfkill)) {
2161                         err = PTR_ERR(bluetooth_rfkill);
2162                         goto error_bluetooth;
2163                 }
2164         }
2165
2166         if (has_cap(ACER_CAP_THREEG)) {
2167                 threeg_rfkill = acer_rfkill_register(dev,
2168                         RFKILL_TYPE_WWAN, "acer-threeg",
2169                         ACER_CAP_THREEG);
2170                 if (IS_ERR(threeg_rfkill)) {
2171                         err = PTR_ERR(threeg_rfkill);
2172                         goto error_threeg;
2173                 }
2174         }
2175
2176         rfkill_inited = true;
2177
2178         if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2179             has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2180                 schedule_delayed_work(&acer_rfkill_work,
2181                         round_jiffies_relative(HZ));
2182
2183         return 0;
2184
2185 error_threeg:
2186         if (has_cap(ACER_CAP_BLUETOOTH)) {
2187                 rfkill_unregister(bluetooth_rfkill);
2188                 rfkill_destroy(bluetooth_rfkill);
2189         }
2190 error_bluetooth:
2191         if (has_cap(ACER_CAP_WIRELESS)) {
2192                 rfkill_unregister(wireless_rfkill);
2193                 rfkill_destroy(wireless_rfkill);
2194         }
2195 error_wireless:
2196         return err;
2197 }
2198
2199 static void acer_rfkill_exit(void)
2200 {
2201         if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
2202             has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
2203                 cancel_delayed_work_sync(&acer_rfkill_work);
2204
2205         if (has_cap(ACER_CAP_WIRELESS)) {
2206                 rfkill_unregister(wireless_rfkill);
2207                 rfkill_destroy(wireless_rfkill);
2208         }
2209
2210         if (has_cap(ACER_CAP_BLUETOOTH)) {
2211                 rfkill_unregister(bluetooth_rfkill);
2212                 rfkill_destroy(bluetooth_rfkill);
2213         }
2214
2215         if (has_cap(ACER_CAP_THREEG)) {
2216                 rfkill_unregister(threeg_rfkill);
2217                 rfkill_destroy(threeg_rfkill);
2218         }
2219 }
2220
2221 static void acer_wmi_notify(union acpi_object *obj, void *context)
2222 {
2223         struct event_return_value return_value;
2224         u16 device_state;
2225         const struct key_entry *key;
2226         u32 scancode;
2227
2228         if (!obj)
2229                 return;
2230         if (obj->type != ACPI_TYPE_BUFFER) {
2231                 pr_warn("Unknown response received %d\n", obj->type);
2232                 return;
2233         }
2234         if (obj->buffer.length != 8) {
2235                 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2236                 return;
2237         }
2238
2239         return_value = *((struct event_return_value *)obj->buffer.pointer);
2240
2241         switch (return_value.function) {
2242         case WMID_HOTKEY_EVENT:
2243                 device_state = return_value.device_state;
2244                 pr_debug("device state: 0x%x\n", device_state);
2245
2246                 key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
2247                                                         return_value.key_num);
2248                 if (!key) {
2249                         pr_warn("Unknown key number - 0x%x\n",
2250                                 return_value.key_num);
2251                 } else {
2252                         scancode = return_value.key_num;
2253                         switch (key->keycode) {
2254                         case KEY_WLAN:
2255                         case KEY_BLUETOOTH:
2256                                 if (has_cap(ACER_CAP_WIRELESS))
2257                                         rfkill_set_sw_state(wireless_rfkill,
2258                                                 !(device_state & ACER_WMID3_GDS_WIRELESS));
2259                                 if (has_cap(ACER_CAP_THREEG))
2260                                         rfkill_set_sw_state(threeg_rfkill,
2261                                                 !(device_state & ACER_WMID3_GDS_THREEG));
2262                                 if (has_cap(ACER_CAP_BLUETOOTH))
2263                                         rfkill_set_sw_state(bluetooth_rfkill,
2264                                                 !(device_state & ACER_WMID3_GDS_BLUETOOTH));
2265                                 break;
2266                         case KEY_TOUCHPAD_TOGGLE:
2267                                 scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
2268                                                 KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
2269                         }
2270                         sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
2271                 }
2272                 break;
2273         case WMID_ACCEL_OR_KBD_DOCK_EVENT:
2274                 acer_gsensor_event();
2275                 acer_kbd_dock_event(&return_value);
2276                 break;
2277         case WMID_GAMING_TURBO_KEY_EVENT:
2278                 if (return_value.key_num == 0x4)
2279                         acer_toggle_turbo();
2280                 if (return_value.key_num == 0x5 && has_cap(ACER_CAP_PLATFORM_PROFILE))
2281                         acer_thermal_profile_change();
2282                 break;
2283         default:
2284                 pr_warn("Unknown function number - %d - %d\n",
2285                         return_value.function, return_value.key_num);
2286                 break;
2287         }
2288 }
2289
2290 static acpi_status __init
2291 wmid3_set_function_mode(struct func_input_params *params,
2292                         struct func_return_value *return_value)
2293 {
2294         acpi_status status;
2295         union acpi_object *obj;
2296
2297         struct acpi_buffer input = { sizeof(struct func_input_params), params };
2298         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2299
2300         status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
2301         if (ACPI_FAILURE(status))
2302                 return status;
2303
2304         obj = output.pointer;
2305
2306         if (!obj)
2307                 return AE_ERROR;
2308         else if (obj->type != ACPI_TYPE_BUFFER) {
2309                 kfree(obj);
2310                 return AE_ERROR;
2311         }
2312         if (obj->buffer.length != 4) {
2313                 pr_warn("Unknown buffer length %d\n", obj->buffer.length);
2314                 kfree(obj);
2315                 return AE_ERROR;
2316         }
2317
2318         *return_value = *((struct func_return_value *)obj->buffer.pointer);
2319         kfree(obj);
2320
2321         return status;
2322 }
2323
2324 static int __init acer_wmi_enable_ec_raw(void)
2325 {
2326         struct func_return_value return_value;
2327         acpi_status status;
2328         struct func_input_params params = {
2329                 .function_num = 0x1,
2330                 .commun_devices = 0xFFFF,
2331                 .devices = 0xFFFF,
2332                 .app_status = 0x00,             /* Launch Manager Deactive */
2333                 .app_mask = 0x01,
2334         };
2335
2336         status = wmid3_set_function_mode(&params, &return_value);
2337
2338         if (return_value.error_code || return_value.ec_return_value)
2339                 pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
2340                         return_value.error_code,
2341                         return_value.ec_return_value);
2342         else
2343                 pr_info("Enabled EC raw mode\n");
2344
2345         return status;
2346 }
2347
2348 static int __init acer_wmi_enable_lm(void)
2349 {
2350         struct func_return_value return_value;
2351         acpi_status status;
2352         struct func_input_params params = {
2353                 .function_num = 0x1,
2354                 .commun_devices = 0xFFFF,
2355                 .devices = 0xFFFF,
2356                 .app_status = 0x01,            /* Launch Manager Active */
2357                 .app_mask = 0x01,
2358         };
2359
2360         status = wmid3_set_function_mode(&params, &return_value);
2361
2362         if (return_value.error_code || return_value.ec_return_value)
2363                 pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
2364                         return_value.error_code,
2365                         return_value.ec_return_value);
2366
2367         return status;
2368 }
2369
2370 static int __init acer_wmi_enable_rf_button(void)
2371 {
2372         struct func_return_value return_value;
2373         acpi_status status;
2374         struct func_input_params params = {
2375                 .function_num = 0x1,
2376                 .commun_devices = 0xFFFF,
2377                 .devices = 0xFFFF,
2378                 .app_status = 0x10,            /* RF Button Active */
2379                 .app_mask = 0x10,
2380         };
2381
2382         status = wmid3_set_function_mode(&params, &return_value);
2383
2384         if (return_value.error_code || return_value.ec_return_value)
2385                 pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
2386                         return_value.error_code,
2387                         return_value.ec_return_value);
2388
2389         return status;
2390 }
2391
2392 static int __init acer_wmi_accel_setup(void)
2393 {
2394         struct acpi_device *adev;
2395         int err;
2396
2397         adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1);
2398         if (!adev)
2399                 return -ENODEV;
2400
2401         gsensor_handle = acpi_device_handle(adev);
2402         acpi_dev_put(adev);
2403
2404         acer_wmi_accel_dev = input_allocate_device();
2405         if (!acer_wmi_accel_dev)
2406                 return -ENOMEM;
2407
2408         acer_wmi_accel_dev->open = acer_gsensor_open;
2409
2410         acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
2411         acer_wmi_accel_dev->phys = "wmi/input1";
2412         acer_wmi_accel_dev->id.bustype = BUS_HOST;
2413         acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
2414         input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
2415         input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
2416         input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
2417
2418         err = input_register_device(acer_wmi_accel_dev);
2419         if (err)
2420                 goto err_free_dev;
2421
2422         return 0;
2423
2424 err_free_dev:
2425         input_free_device(acer_wmi_accel_dev);
2426         return err;
2427 }
2428
2429 static int __init acer_wmi_input_setup(void)
2430 {
2431         acpi_status status;
2432         int err;
2433
2434         acer_wmi_input_dev = input_allocate_device();
2435         if (!acer_wmi_input_dev)
2436                 return -ENOMEM;
2437
2438         acer_wmi_input_dev->name = "Acer WMI hotkeys";
2439         acer_wmi_input_dev->phys = "wmi/input0";
2440         acer_wmi_input_dev->id.bustype = BUS_HOST;
2441
2442         err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
2443         if (err)
2444                 goto err_free_dev;
2445
2446         if (has_cap(ACER_CAP_KBD_DOCK))
2447                 input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
2448
2449         status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
2450                                                 acer_wmi_notify, NULL);
2451         if (ACPI_FAILURE(status)) {
2452                 err = -EIO;
2453                 goto err_free_dev;
2454         }
2455
2456         if (has_cap(ACER_CAP_KBD_DOCK))
2457                 acer_kbd_dock_get_initial_state();
2458
2459         err = input_register_device(acer_wmi_input_dev);
2460         if (err)
2461                 goto err_uninstall_notifier;
2462
2463         return 0;
2464
2465 err_uninstall_notifier:
2466         wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2467 err_free_dev:
2468         input_free_device(acer_wmi_input_dev);
2469         return err;
2470 }
2471
2472 static void acer_wmi_input_destroy(void)
2473 {
2474         wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
2475         input_unregister_device(acer_wmi_input_dev);
2476 }
2477
2478 /*
2479  * debugfs functions
2480  */
2481 static u32 get_wmid_devices(void)
2482 {
2483         struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
2484         union acpi_object *obj;
2485         acpi_status status;
2486         u32 devices = 0;
2487
2488         status = wmi_query_block(WMID_GUID2, 0, &out);
2489         if (ACPI_FAILURE(status))
2490                 return 0;
2491
2492         obj = (union acpi_object *) out.pointer;
2493         if (obj) {
2494                 if (obj->type == ACPI_TYPE_BUFFER &&
2495                         (obj->buffer.length == sizeof(u32) ||
2496                         obj->buffer.length == sizeof(u64))) {
2497                         devices = *((u32 *) obj->buffer.pointer);
2498                 } else if (obj->type == ACPI_TYPE_INTEGER) {
2499                         devices = (u32) obj->integer.value;
2500                 }
2501         }
2502
2503         kfree(out.pointer);
2504         return devices;
2505 }
2506
2507 static int acer_wmi_hwmon_init(void);
2508
2509 /*
2510  * Platform device
2511  */
2512 static int acer_platform_probe(struct platform_device *device)
2513 {
2514         int err;
2515
2516         if (has_cap(ACER_CAP_MAILLED)) {
2517                 err = acer_led_init(&device->dev);
2518                 if (err)
2519                         goto error_mailled;
2520         }
2521
2522         if (has_cap(ACER_CAP_BRIGHTNESS)) {
2523                 err = acer_backlight_init(&device->dev);
2524                 if (err)
2525                         goto error_brightness;
2526         }
2527
2528         err = acer_rfkill_init(&device->dev);
2529         if (err)
2530                 goto error_rfkill;
2531
2532         if (has_cap(ACER_CAP_PLATFORM_PROFILE)) {
2533                 err = acer_platform_profile_setup();
2534                 if (err)
2535                         goto error_platform_profile;
2536         }
2537
2538         if (has_cap(ACER_CAP_FAN_SPEED_READ)) {
2539                 err = acer_wmi_hwmon_init();
2540                 if (err)
2541                         goto error_hwmon;
2542         }
2543
2544         return 0;
2545
2546 error_hwmon:
2547         if (platform_profile_support)
2548                 platform_profile_remove();
2549 error_platform_profile:
2550         acer_rfkill_exit();
2551 error_rfkill:
2552         if (has_cap(ACER_CAP_BRIGHTNESS))
2553                 acer_backlight_exit();
2554 error_brightness:
2555         if (has_cap(ACER_CAP_MAILLED))
2556                 acer_led_exit();
2557 error_mailled:
2558         return err;
2559 }
2560
2561 static void acer_platform_remove(struct platform_device *device)
2562 {
2563         if (has_cap(ACER_CAP_MAILLED))
2564                 acer_led_exit();
2565         if (has_cap(ACER_CAP_BRIGHTNESS))
2566                 acer_backlight_exit();
2567
2568         acer_rfkill_exit();
2569
2570         if (platform_profile_support)
2571                 platform_profile_remove();
2572 }
2573
2574 #ifdef CONFIG_PM_SLEEP
2575 static int acer_suspend(struct device *dev)
2576 {
2577         u32 value;
2578         struct acer_data *data = &interface->data;
2579
2580         if (!data)
2581                 return -ENOMEM;
2582
2583         if (has_cap(ACER_CAP_MAILLED)) {
2584                 get_u32(&value, ACER_CAP_MAILLED);
2585                 set_u32(LED_OFF, ACER_CAP_MAILLED);
2586                 data->mailled = value;
2587         }
2588
2589         if (has_cap(ACER_CAP_BRIGHTNESS)) {
2590                 get_u32(&value, ACER_CAP_BRIGHTNESS);
2591                 data->brightness = value;
2592         }
2593
2594         return 0;
2595 }
2596
2597 static int acer_resume(struct device *dev)
2598 {
2599         struct acer_data *data = &interface->data;
2600
2601         if (!data)
2602                 return -ENOMEM;
2603
2604         if (has_cap(ACER_CAP_MAILLED))
2605                 set_u32(data->mailled, ACER_CAP_MAILLED);
2606
2607         if (has_cap(ACER_CAP_BRIGHTNESS))
2608                 set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
2609
2610         if (acer_wmi_accel_dev)
2611                 acer_gsensor_init();
2612
2613         return 0;
2614 }
2615 #else
2616 #define acer_suspend    NULL
2617 #define acer_resume     NULL
2618 #endif
2619
2620 static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
2621
2622 static void acer_platform_shutdown(struct platform_device *device)
2623 {
2624         struct acer_data *data = &interface->data;
2625
2626         if (!data)
2627                 return;
2628
2629         if (has_cap(ACER_CAP_MAILLED))
2630                 set_u32(LED_OFF, ACER_CAP_MAILLED);
2631 }
2632
2633 static struct platform_driver acer_platform_driver = {
2634         .driver = {
2635                 .name = "acer-wmi",
2636                 .pm = &acer_pm,
2637         },
2638         .probe = acer_platform_probe,
2639         .remove = acer_platform_remove,
2640         .shutdown = acer_platform_shutdown,
2641 };
2642
2643 static struct platform_device *acer_platform_device;
2644
2645 static void remove_debugfs(void)
2646 {
2647         debugfs_remove_recursive(interface->debug.root);
2648 }
2649
2650 static void __init create_debugfs(void)
2651 {
2652         interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
2653
2654         debugfs_create_u32("devices", S_IRUGO, interface->debug.root,
2655                            &interface->debug.wmid_devices);
2656 }
2657
2658 static umode_t acer_wmi_hwmon_is_visible(const void *data,
2659                                          enum hwmon_sensor_types type, u32 attr,
2660                                          int channel)
2661 {
2662         switch (type) {
2663         case hwmon_fan:
2664                 if (acer_get_fan_speed(channel) >= 0)
2665                         return 0444;
2666                 break;
2667         default:
2668                 return 0;
2669         }
2670
2671         return 0;
2672 }
2673
2674 static int acer_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2675                                u32 attr, int channel, long *val)
2676 {
2677         int ret;
2678
2679         switch (type) {
2680         case hwmon_fan:
2681                 ret = acer_get_fan_speed(channel);
2682                 if (ret < 0)
2683                         return ret;
2684                 *val = ret;
2685                 break;
2686         default:
2687                 return -EOPNOTSUPP;
2688         }
2689
2690         return 0;
2691 }
2692
2693 static const struct hwmon_channel_info *const acer_wmi_hwmon_info[] = {
2694         HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT, HWMON_F_INPUT), NULL
2695 };
2696
2697 static const struct hwmon_ops acer_wmi_hwmon_ops = {
2698         .read = acer_wmi_hwmon_read,
2699         .is_visible = acer_wmi_hwmon_is_visible,
2700 };
2701
2702 static const struct hwmon_chip_info acer_wmi_hwmon_chip_info = {
2703         .ops = &acer_wmi_hwmon_ops,
2704         .info = acer_wmi_hwmon_info,
2705 };
2706
2707 static int acer_wmi_hwmon_init(void)
2708 {
2709         struct device *dev = &acer_platform_device->dev;
2710         struct device *hwmon;
2711
2712         hwmon = devm_hwmon_device_register_with_info(dev, "acer",
2713                                                      &acer_platform_driver,
2714                                                      &acer_wmi_hwmon_chip_info,
2715                                                      NULL);
2716
2717         if (IS_ERR(hwmon)) {
2718                 dev_err(dev, "Could not register acer hwmon device\n");
2719                 return PTR_ERR(hwmon);
2720         }
2721
2722         return 0;
2723 }
2724
2725 static int __init acer_wmi_init(void)
2726 {
2727         int err;
2728
2729         pr_info("Acer Laptop ACPI-WMI Extras\n");
2730
2731         if (dmi_check_system(acer_blacklist)) {
2732                 pr_info("Blacklisted hardware detected - not loading\n");
2733                 return -ENODEV;
2734         }
2735
2736         find_quirks();
2737
2738         /*
2739          * The AMW0_GUID1 wmi is not only found on Acer family but also other
2740          * machines like Lenovo, Fujitsu and Medion. In the past days,
2741          * acer-wmi driver handled those non-Acer machines by quirks list.
2742          * But actually acer-wmi driver was loaded on any machines that have
2743          * AMW0_GUID1. This behavior is strange because those machines should
2744          * be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
2745          * ideapad-laptop. So, here checks the machine that has AMW0_GUID1
2746          * should be in Acer/Gateway/Packard Bell white list, or it's already
2747          * in the past quirk list.
2748          */
2749         if (wmi_has_guid(AMW0_GUID1) &&
2750             !dmi_check_system(amw0_whitelist) &&
2751             quirks == &quirk_unknown) {
2752                 pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
2753                 return -ENODEV;
2754         }
2755
2756         /*
2757          * Detect which ACPI-WMI interface we're using.
2758          */
2759         if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2760                 interface = &AMW0_V2_interface;
2761
2762         if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
2763                 interface = &wmid_interface;
2764
2765         if (wmi_has_guid(WMID_GUID3))
2766                 interface = &wmid_v2_interface;
2767
2768         if (interface)
2769                 dmi_walk(type_aa_dmi_decode, NULL);
2770
2771         if (wmi_has_guid(WMID_GUID2) && interface) {
2772                 if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
2773                         pr_err("Unable to detect available WMID devices\n");
2774                         return -ENODEV;
2775                 }
2776                 /* WMID always provides brightness methods */
2777                 interface->capability |= ACER_CAP_BRIGHTNESS;
2778         } else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
2779                 pr_err("No WMID device detection method found\n");
2780                 return -ENODEV;
2781         }
2782
2783         if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
2784                 interface = &AMW0_interface;
2785
2786                 if (ACPI_FAILURE(AMW0_set_capabilities())) {
2787                         pr_err("Unable to detect available AMW0 devices\n");
2788                         return -ENODEV;
2789                 }
2790         }
2791
2792         if (wmi_has_guid(AMW0_GUID1))
2793                 AMW0_find_mailled();
2794
2795         if (!interface) {
2796                 pr_err("No or unsupported WMI interface, unable to load\n");
2797                 return -ENODEV;
2798         }
2799
2800         set_quirks();
2801
2802         if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
2803                 interface->capability &= ~ACER_CAP_BRIGHTNESS;
2804
2805         if (wmi_has_guid(WMID_GUID3))
2806                 interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
2807
2808         if (force_caps != -1)
2809                 interface->capability = force_caps;
2810
2811         if (wmi_has_guid(WMID_GUID3) &&
2812             (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
2813                 if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
2814                         pr_warn("Cannot enable RF Button Driver\n");
2815
2816                 if (ec_raw_mode) {
2817                         if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
2818                                 pr_err("Cannot enable EC raw mode\n");
2819                                 return -ENODEV;
2820                         }
2821                 } else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
2822                         pr_err("Cannot enable Launch Manager mode\n");
2823                         return -ENODEV;
2824                 }
2825         } else if (ec_raw_mode) {
2826                 pr_info("No WMID EC raw mode enable method\n");
2827         }
2828
2829         if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
2830                 err = acer_wmi_input_setup();
2831                 if (err)
2832                         return err;
2833                 err = acer_wmi_accel_setup();
2834                 if (err && err != -ENODEV)
2835                         pr_warn("Cannot enable accelerometer\n");
2836         }
2837
2838         err = platform_driver_register(&acer_platform_driver);
2839         if (err) {
2840                 pr_err("Unable to register platform driver\n");
2841                 goto error_platform_register;
2842         }
2843
2844         acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE);
2845         if (!acer_platform_device) {
2846                 err = -ENOMEM;
2847                 goto error_device_alloc;
2848         }
2849
2850         err = platform_device_add(acer_platform_device);
2851         if (err)
2852                 goto error_device_add;
2853
2854         if (wmi_has_guid(WMID_GUID2)) {
2855                 interface->debug.wmid_devices = get_wmid_devices();
2856                 create_debugfs();
2857         }
2858
2859         /* Override any initial settings with values from the commandline */
2860         acer_commandline_init();
2861
2862         return 0;
2863
2864 error_device_add:
2865         platform_device_put(acer_platform_device);
2866 error_device_alloc:
2867         platform_driver_unregister(&acer_platform_driver);
2868 error_platform_register:
2869         if (wmi_has_guid(ACERWMID_EVENT_GUID))
2870                 acer_wmi_input_destroy();
2871         if (acer_wmi_accel_dev)
2872                 input_unregister_device(acer_wmi_accel_dev);
2873
2874         return err;
2875 }
2876
2877 static void __exit acer_wmi_exit(void)
2878 {
2879         if (wmi_has_guid(ACERWMID_EVENT_GUID))
2880                 acer_wmi_input_destroy();
2881
2882         if (acer_wmi_accel_dev)
2883                 input_unregister_device(acer_wmi_accel_dev);
2884
2885         remove_debugfs();
2886         platform_device_unregister(acer_platform_device);
2887         platform_driver_unregister(&acer_platform_driver);
2888
2889         pr_info("Acer Laptop WMI Extras unloaded\n");
2890 }
2891
2892 module_init(acer_wmi_init);
2893 module_exit(acer_wmi_exit);