drivers/platform/x86/asus-wmi.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Asus PC WMI hotkey driver
   4  *
   5  * Copyright(C) 2010 Intel Corporation.
   6  * Copyright(C) 2010-2011 Corentin Chary <[email protected]>
   7  *
   8  * Portions based on wistron_btns.c:
   9  * Copyright (C) 2005 Miloslav Trmac <[email protected]>
  10  * Copyright (C) 2005 Bernhard Rosenkraenzer <[email protected]>
  11  * Copyright (C) 2005 Dmitry Torokhov <[email protected]>
  12  */
  13
  14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  15
  16 #include <linux/acpi.h>
  17 #include <linux/backlight.h>
  18 #include <linux/debugfs.h>
  19 #include <linux/delay.h>
  20 #include <linux/dmi.h>
  21 #include <linux/hwmon.h>
  22 #include <linux/hwmon-sysfs.h>
  23 #include <linux/init.h>
  24 #include <linux/input.h>
  25 #include <linux/input/sparse-keymap.h>
  26 #include <linux/kernel.h>
  27 #include <linux/leds.h>
  28 #include <linux/minmax.h>
  29 #include <linux/module.h>
  30 #include <linux/pci.h>
  31 #include <linux/pci_hotplug.h>
  32 #include <linux/platform_data/x86/asus-wmi.h>
  33 #include <linux/platform_device.h>
  34 #include <linux/platform_profile.h>
  35 #include <linux/power_supply.h>
  36 #include <linux/rfkill.h>
  37 #include <linux/seq_file.h>
  38 #include <linux/slab.h>
  39 #include <linux/types.h>
  40 #include <linux/units.h>
  41
  42 #include <acpi/battery.h>
  43 #include <acpi/video.h>
  44
  45 #include "asus-wmi.h"
  46
  47 MODULE_AUTHOR("Corentin Chary <[email protected]>");
  48 MODULE_AUTHOR("Yong Wang <[email protected]>");
  49 MODULE_DESCRIPTION("Asus Generic WMI Driver");
  50 MODULE_LICENSE("GPL");
  51
  52 static bool fnlock_default = true;
  53 module_param(fnlock_default, bool, 0444);
  54
  55 #define to_asus_wmi_driver(pdrv)                                        \
  56         (container_of((pdrv), struct asus_wmi_driver, platform_driver))
  57
  58 #define ASUS_WMI_MGMT_GUID      "97845ED0-4E6D-11DE-8A39-0800200C9A66"
  59
  60 #define NOTIFY_BRNUP_MIN                0x11
  61 #define NOTIFY_BRNUP_MAX                0x1f
  62 #define NOTIFY_BRNDOWN_MIN              0x20
  63 #define NOTIFY_BRNDOWN_MAX              0x2e
  64 #define NOTIFY_FNLOCK_TOGGLE            0x4e
  65 #define NOTIFY_KBD_DOCK_CHANGE          0x75
  66 #define NOTIFY_KBD_BRTUP                0xc4
  67 #define NOTIFY_KBD_BRTDWN               0xc5
  68 #define NOTIFY_KBD_BRTTOGGLE            0xc7
  69 #define NOTIFY_KBD_FBM                  0x99
  70 #define NOTIFY_KBD_TTP                  0xae
  71 #define NOTIFY_LID_FLIP                 0xfa
  72 #define NOTIFY_LID_FLIP_ROG             0xbd
  73
  74 #define ASUS_WMI_FNLOCK_BIOS_DISABLED   BIT(0)
  75
  76 #define ASUS_MID_FAN_DESC               "mid_fan"
  77 #define ASUS_GPU_FAN_DESC               "gpu_fan"
  78 #define ASUS_FAN_DESC                   "cpu_fan"
  79 #define ASUS_FAN_MFUN                   0x13
  80 #define ASUS_FAN_SFUN_READ              0x06
  81 #define ASUS_FAN_SFUN_WRITE             0x07
  82
  83 /* Based on standard hwmon pwmX_enable values */
  84 #define ASUS_FAN_CTRL_FULLSPEED         0
  85 #define ASUS_FAN_CTRL_MANUAL            1
  86 #define ASUS_FAN_CTRL_AUTO              2
  87
  88 #define ASUS_FAN_BOOST_MODE_NORMAL              0
  89 #define ASUS_FAN_BOOST_MODE_OVERBOOST           1
  90 #define ASUS_FAN_BOOST_MODE_OVERBOOST_MASK      0x01
  91 #define ASUS_FAN_BOOST_MODE_SILENT              2
  92 #define ASUS_FAN_BOOST_MODE_SILENT_MASK         0x02
  93 #define ASUS_FAN_BOOST_MODES_MASK               0x03
  94
  95 #define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT    0
  96 #define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST  1
  97 #define ASUS_THROTTLE_THERMAL_POLICY_SILENT     2
  98
  99 #define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT_VIVO       0
 100 #define ASUS_THROTTLE_THERMAL_POLICY_SILENT_VIVO        1
 101 #define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST_VIVO     2
 102
 103 #define PLATFORM_PROFILE_MAX 2
 104
 105 #define USB_INTEL_XUSB2PR               0xD0
 106 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI   0x9c31
 107
 108 #define ASUS_ACPI_UID_ASUSWMI           "ASUSWMI"
 109
 110 #define WMI_EVENT_MASK                  0xFFFF
 111
 112 #define FAN_CURVE_POINTS                8
 113 #define FAN_CURVE_BUF_LEN               32
 114 #define FAN_CURVE_DEV_CPU               0x00
 115 #define FAN_CURVE_DEV_GPU               0x01
 116 #define FAN_CURVE_DEV_MID               0x02
 117 /* Mask to determine if setting temperature or percentage */
 118 #define FAN_CURVE_PWM_MASK              0x04
 119
 120 /* Limits for tunables available on ASUS ROG laptops */
 121 #define PPT_TOTAL_MIN           5
 122 #define PPT_TOTAL_MAX           250
 123 #define PPT_CPU_MIN                     5
 124 #define PPT_CPU_MAX                     130
 125 #define NVIDIA_BOOST_MIN        5
 126 #define NVIDIA_BOOST_MAX        25
 127 #define NVIDIA_TEMP_MIN         75
 128 #define NVIDIA_TEMP_MAX         87
 129
 130 #define ASUS_SCREENPAD_BRIGHT_MIN 20
 131 #define ASUS_SCREENPAD_BRIGHT_MAX 255
 132 #define ASUS_SCREENPAD_BRIGHT_DEFAULT 60
 133
 134 #define ASUS_MINI_LED_MODE_MASK         0x03
 135 /* Standard modes for devices with only on/off */
 136 #define ASUS_MINI_LED_OFF               0x00
 137 #define ASUS_MINI_LED_ON                0x01
 138 /* New mode on some devices, define here to clarify remapping later */
 139 #define ASUS_MINI_LED_STRONG_MODE       0x02
 140 /* New modes for devices with 3 mini-led mode types */
 141 #define ASUS_MINI_LED_2024_WEAK         0x00
 142 #define ASUS_MINI_LED_2024_STRONG       0x01
 143 #define ASUS_MINI_LED_2024_OFF          0x02
 144
 145 /* Controls the power state of the USB0 hub on ROG Ally which input is on */
 146 #define ASUS_USB0_PWR_EC0_CSEE "\\_SB.PCI0.SBRG.EC0.CSEE"
 147 /* 300ms so far seems to produce a reliable result on AC and battery */
 148 #define ASUS_USB0_PWR_EC0_CSEE_WAIT 1500
 149
 150 static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
 151
 152 static int throttle_thermal_policy_write(struct asus_wmi *);
 153
 154 static const struct dmi_system_id asus_ally_mcu_quirk[] = {
 155         {
 156                 .matches = {
 157                         DMI_MATCH(DMI_BOARD_NAME, "RC71L"),
 158                 },
 159         },
 160         {
 161                 .matches = {
 162                         DMI_MATCH(DMI_BOARD_NAME, "RC72L"),
 163                 },
 164         },
 165         { },
 166 };
 167
 168 static bool ashs_present(void)
 169 {
 170         int i = 0;
 171         while (ashs_ids[i]) {
 172                 if (acpi_dev_found(ashs_ids[i++]))
 173                         return true;
 174         }
 175         return false;
 176 }
 177
 178 struct bios_args {
 179         u32 arg0;
 180         u32 arg1;
 181         u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
 182         u32 arg3;
 183         u32 arg4; /* Some ROG laptops require a full 5 input args */
 184         u32 arg5;
 185 } __packed;
 186
 187 /*
 188  * Struct that's used for all methods called via AGFN. Naming is
 189  * identically to the AML code.
 190  */
 191 struct agfn_args {
 192         u16 mfun; /* probably "Multi-function" to be called */
 193         u16 sfun; /* probably "Sub-function" to be called */
 194         u16 len;  /* size of the hole struct, including subfunction fields */
 195         u8 stas;  /* not used by now */
 196         u8 err;   /* zero on success */
 197 } __packed;
 198
 199 /* struct used for calling fan read and write methods */
 200 struct agfn_fan_args {
 201         struct agfn_args agfn;  /* common fields */
 202         u8 fan;                 /* fan number: 0: set auto mode 1: 1st fan */
 203         u32 speed;              /* read: RPM/100 - write: 0-255 */
 204 } __packed;
 205
 206 /*
 207  * <platform>/    - debugfs root directory
 208  *   dev_id      - current dev_id
 209  *   ctrl_param  - current ctrl_param
 210  *   method_id   - current method_id
 211  *   devs        - call DEVS(dev_id, ctrl_param) and print result
 212  *   dsts        - call DSTS(dev_id)  and print result
 213  *   call        - call method_id(dev_id, ctrl_param) and print result
 214  */
 215 struct asus_wmi_debug {
 216         struct dentry *root;
 217         u32 method_id;
 218         u32 dev_id;
 219         u32 ctrl_param;
 220 };
 221
 222 struct asus_rfkill {
 223         struct asus_wmi *asus;
 224         struct rfkill *rfkill;
 225         u32 dev_id;
 226 };
 227
 228 enum fan_type {
 229         FAN_TYPE_NONE = 0,
 230         FAN_TYPE_AGFN,          /* deprecated on newer platforms */
 231         FAN_TYPE_SPEC83,        /* starting in Spec 8.3, use CPU_FAN_CTRL */
 232 };
 233
 234 struct fan_curve_data {
 235         bool enabled;
 236         u32 device_id;
 237         u8 temps[FAN_CURVE_POINTS];
 238         u8 percents[FAN_CURVE_POINTS];
 239 };
 240
 241 struct asus_wmi {
 242         int dsts_id;
 243         int spec;
 244         int sfun;
 245
 246         struct input_dev *inputdev;
 247         struct backlight_device *backlight_device;
 248         struct backlight_device *screenpad_backlight_device;
 249         struct platform_device *platform_device;
 250
 251         struct led_classdev wlan_led;
 252         int wlan_led_wk;
 253         struct led_classdev tpd_led;
 254         int tpd_led_wk;
 255         struct led_classdev kbd_led;
 256         int kbd_led_wk;
 257         struct led_classdev lightbar_led;
 258         int lightbar_led_wk;
 259         struct led_classdev micmute_led;
 260         struct led_classdev camera_led;
 261         struct workqueue_struct *led_workqueue;
 262         struct work_struct tpd_led_work;
 263         struct work_struct wlan_led_work;
 264         struct work_struct lightbar_led_work;
 265
 266         struct asus_rfkill wlan;
 267         struct asus_rfkill bluetooth;
 268         struct asus_rfkill wimax;
 269         struct asus_rfkill wwan3g;
 270         struct asus_rfkill gps;
 271         struct asus_rfkill uwb;
 272
 273         int tablet_switch_event_code;
 274         u32 tablet_switch_dev_id;
 275         bool tablet_switch_inverted;
 276
 277         /* The ROG Ally device requires the MCU USB device be disconnected before suspend */
 278         bool ally_mcu_usb_switch;
 279
 280         enum fan_type fan_type;
 281         enum fan_type gpu_fan_type;
 282         enum fan_type mid_fan_type;
 283         int fan_pwm_mode;
 284         int gpu_fan_pwm_mode;
 285         int mid_fan_pwm_mode;
 286         int agfn_pwm;
 287
 288         bool fan_boost_mode_available;
 289         u8 fan_boost_mode_mask;
 290         u8 fan_boost_mode;
 291
 292         bool egpu_enable_available;
 293         bool dgpu_disable_available;
 294         u32 gpu_mux_dev;
 295
 296         /* Tunables provided by ASUS for gaming laptops */
 297         u32 ppt_pl2_sppt;
 298         u32 ppt_pl1_spl;
 299         u32 ppt_apu_sppt;
 300         u32 ppt_platform_sppt;
 301         u32 ppt_fppt;
 302         u32 nv_dynamic_boost;
 303         u32 nv_temp_target;
 304
 305         u32 kbd_rgb_dev;
 306         bool kbd_rgb_state_available;
 307
 308         u8 throttle_thermal_policy_mode;
 309         u32 throttle_thermal_policy_dev;
 310
 311         bool cpu_fan_curve_available;
 312         bool gpu_fan_curve_available;
 313         bool mid_fan_curve_available;
 314         struct fan_curve_data custom_fan_curves[3];
 315
 316         struct device *ppdev;
 317         bool platform_profile_support;
 318
 319         // The RSOC controls the maximum charging percentage.
 320         bool battery_rsoc_available;
 321
 322         bool panel_overdrive_available;
 323         u32 mini_led_dev_id;
 324
 325         struct hotplug_slot hotplug_slot;
 326         struct mutex hotplug_lock;
 327         struct mutex wmi_lock;
 328         struct workqueue_struct *hotplug_workqueue;
 329         struct work_struct hotplug_work;
 330
 331         bool fnlock_locked;
 332
 333         struct asus_wmi_debug debug;
 334
 335         struct asus_wmi_driver *driver;
 336 };
 337
 338 /* WMI ************************************************************************/
 339
 340 static int asus_wmi_evaluate_method3(u32 method_id,
 341                 u32 arg0, u32 arg1, u32 arg2, u32 *retval)
 342 {
 343         struct bios_args args = {
 344                 .arg0 = arg0,
 345                 .arg1 = arg1,
 346                 .arg2 = arg2,
 347         };
 348         struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
 349         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 350         acpi_status status;
 351         union acpi_object *obj;
 352         u32 tmp = 0;
 353
 354         status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
 355                                      &input, &output);
 356
 357         pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x, 0x%08x\n",
 358                 __func__, method_id, arg0, arg1, arg2);
 359         if (ACPI_FAILURE(status)) {
 360                 pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
 361                         __func__, method_id, arg0, -EIO);
 362                 return -EIO;
 363         }
 364
 365         obj = (union acpi_object *)output.pointer;
 366         if (obj && obj->type == ACPI_TYPE_INTEGER)
 367                 tmp = (u32) obj->integer.value;
 368
 369         pr_debug("Result: 0x%08x\n", tmp);
 370         if (retval)
 371                 *retval = tmp;
 372
 373         kfree(obj);
 374
 375         if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) {
 376                 pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
 377                         __func__, method_id, arg0, -ENODEV);
 378                 return -ENODEV;
 379         }
 380
 381         return 0;
 382 }
 383
 384 int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
 385 {
 386         return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
 387 }
 388 EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
 389
 390 static int asus_wmi_evaluate_method5(u32 method_id,
 391                 u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 *retval)
 392 {
 393         struct bios_args args = {
 394                 .arg0 = arg0,
 395                 .arg1 = arg1,
 396                 .arg2 = arg2,
 397                 .arg3 = arg3,
 398                 .arg4 = arg4,
 399         };
 400         struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
 401         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 402         acpi_status status;
 403         union acpi_object *obj;
 404         u32 tmp = 0;
 405
 406         status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
 407                                      &input, &output);
 408
 409         pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
 410                 __func__, method_id, arg0, arg1, arg2, arg3, arg4);
 411         if (ACPI_FAILURE(status)) {
 412                 pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
 413                         __func__, method_id, arg0, -EIO);
 414                 return -EIO;
 415         }
 416
 417         obj = (union acpi_object *)output.pointer;
 418         if (obj && obj->type == ACPI_TYPE_INTEGER)
 419                 tmp = (u32) obj->integer.value;
 420
 421         pr_debug("Result: %x\n", tmp);
 422         if (retval)
 423                 *retval = tmp;
 424
 425         kfree(obj);
 426
 427         if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) {
 428                 pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
 429                         __func__, method_id, arg0, -ENODEV);
 430                 return -ENODEV;
 431         }
 432
 433         return 0;
 434 }
 435
 436 /*
 437  * Returns as an error if the method output is not a buffer. Typically this
 438  * means that the method called is unsupported.
 439  */
 440 static int asus_wmi_evaluate_method_buf(u32 method_id,
 441                 u32 arg0, u32 arg1, u8 *ret_buffer, size_t size)
 442 {
 443         struct bios_args args = {
 444                 .arg0 = arg0,
 445                 .arg1 = arg1,
 446                 .arg2 = 0,
 447         };
 448         struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
 449         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 450         acpi_status status;
 451         union acpi_object *obj;
 452         int err = 0;
 453
 454         status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
 455                                      &input, &output);
 456
 457         pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x\n",
 458                 __func__, method_id, arg0, arg1);
 459         if (ACPI_FAILURE(status)) {
 460                 pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
 461                         __func__, method_id, arg0, -EIO);
 462                 return -EIO;
 463         }
 464
 465         obj = (union acpi_object *)output.pointer;
 466
 467         switch (obj->type) {
 468         case ACPI_TYPE_BUFFER:
 469                 if (obj->buffer.length > size) {
 470                         err = -ENOSPC;
 471                         break;
 472                 }
 473                 if (obj->buffer.length == 0) {
 474                         err = -ENODATA;
 475                         break;
 476                 }
 477
 478                 memcpy(ret_buffer, obj->buffer.pointer, obj->buffer.length);
 479                 break;
 480         case ACPI_TYPE_INTEGER:
 481                 err = (u32)obj->integer.value;
 482
 483                 if (err == ASUS_WMI_UNSUPPORTED_METHOD)
 484                         err = -ENODEV;
 485                 /*
 486                  * At least one method returns a 0 with no buffer if no arg
 487                  * is provided, such as ASUS_WMI_DEVID_CPU_FAN_CURVE
 488                  */
 489                 if (err == 0)
 490                         err = -ENODATA;
 491                 break;
 492         default:
 493                 err = -ENODATA;
 494                 break;
 495         }
 496
 497         kfree(obj);
 498
 499         if (err) {
 500                 pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n",
 501                         __func__, method_id, arg0, err);
 502                 return err;
 503         }
 504
 505         return 0;
 506 }
 507
 508 static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
 509 {
 510         struct acpi_buffer input;
 511         u64 phys_addr;
 512         u32 retval;
 513         u32 status;
 514
 515         /*
 516          * Copy to dma capable address otherwise memory corruption occurs as
 517          * bios has to be able to access it.
 518          */
 519         input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL);
 520         input.length = args.length;
 521         if (!input.pointer)
 522                 return -ENOMEM;
 523         phys_addr = virt_to_phys(input.pointer);
 524
 525         status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
 526                                         phys_addr, 0, &retval);
 527         if (!status)
 528                 memcpy(args.pointer, input.pointer, args.length);
 529
 530         kfree(input.pointer);
 531         if (status)
 532                 return -ENXIO;
 533
 534         return retval;
 535 }
 536
 537 static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
 538 {
 539         int err;
 540
 541         err = asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
 542
 543         if (err)
 544                 return err;
 545
 546         if (*retval == ~0)
 547                 return -ENODEV;
 548
 549         return 0;
 550 }
 551
 552 static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
 553                                  u32 *retval)
 554 {
 555         return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
 556                                         ctrl_param, retval);
 557 }
 558
 559 /* Helper for special devices with magic return codes */
 560 static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
 561                                       u32 dev_id, u32 mask)
 562 {
 563         u32 retval = 0;
 564         int err;
 565
 566         err = asus_wmi_get_devstate(asus, dev_id, &retval);
 567         if (err < 0)
 568                 return err;
 569
 570         if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
 571                 return -ENODEV;
 572
 573         if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
 574                 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
 575                         return -ENODEV;
 576         }
 577
 578         return retval & mask;
 579 }
 580
 581 static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
 582 {
 583         return asus_wmi_get_devstate_bits(asus, dev_id,
 584                                           ASUS_WMI_DSTS_STATUS_BIT);
 585 }
 586
 587 static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
 588 {
 589         u32 retval;
 590         int status = asus_wmi_get_devstate(asus, dev_id, &retval);
 591         pr_debug("%s called (0x%08x), retval: 0x%08x\n", __func__, dev_id, retval);
 592
 593         return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
 594 }
 595
 596 /* Input **********************************************************************/
 597 static void asus_wmi_tablet_sw_report(struct asus_wmi *asus, bool value)
 598 {
 599         input_report_switch(asus->inputdev, SW_TABLET_MODE,
 600                             asus->tablet_switch_inverted ? !value : value);
 601         input_sync(asus->inputdev);
 602 }
 603
 604 static void asus_wmi_tablet_sw_init(struct asus_wmi *asus, u32 dev_id, int event_code)
 605 {
 606         struct device *dev = &asus->platform_device->dev;
 607         int result;
 608
 609         result = asus_wmi_get_devstate_simple(asus, dev_id);
 610         if (result >= 0) {
 611                 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
 612                 asus_wmi_tablet_sw_report(asus, result);
 613                 asus->tablet_switch_dev_id = dev_id;
 614                 asus->tablet_switch_event_code = event_code;
 615         } else if (result == -ENODEV) {
 616                 dev_err(dev, "This device has tablet-mode-switch quirk but got ENODEV checking it. This is a bug.");
 617         } else {
 618                 dev_err(dev, "Error checking for tablet-mode-switch: %d\n", result);
 619         }
 620 }
 621
 622 static int asus_wmi_input_init(struct asus_wmi *asus)
 623 {
 624         struct device *dev = &asus->platform_device->dev;
 625         int err;
 626
 627         asus->inputdev = input_allocate_device();
 628         if (!asus->inputdev)
 629                 return -ENOMEM;
 630
 631         asus->inputdev->name = asus->driver->input_name;
 632         asus->inputdev->phys = asus->driver->input_phys;
 633         asus->inputdev->id.bustype = BUS_HOST;
 634         asus->inputdev->dev.parent = dev;
 635         set_bit(EV_REP, asus->inputdev->evbit);
 636
 637         err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
 638         if (err)
 639                 goto err_free_dev;
 640
 641         switch (asus->driver->quirks->tablet_switch_mode) {
 642         case asus_wmi_no_tablet_switch:
 643                 break;
 644         case asus_wmi_kbd_dock_devid:
 645                 asus->tablet_switch_inverted = true;
 646                 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_KBD_DOCK, NOTIFY_KBD_DOCK_CHANGE);
 647                 break;
 648         case asus_wmi_lid_flip_devid:
 649                 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP, NOTIFY_LID_FLIP);
 650                 break;
 651         case asus_wmi_lid_flip_rog_devid:
 652                 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP_ROG, NOTIFY_LID_FLIP_ROG);
 653                 break;
 654         }
 655
 656         err = input_register_device(asus->inputdev);
 657         if (err)
 658                 goto err_free_dev;
 659
 660         return 0;
 661
 662 err_free_dev:
 663         input_free_device(asus->inputdev);
 664         return err;
 665 }
 666
 667 static void asus_wmi_input_exit(struct asus_wmi *asus)
 668 {
 669         if (asus->inputdev)
 670                 input_unregister_device(asus->inputdev);
 671
 672         asus->inputdev = NULL;
 673 }
 674
 675 /* Tablet mode ****************************************************************/
 676
 677 static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus)
 678 {
 679         int result;
 680
 681         if (!asus->tablet_switch_dev_id)
 682                 return;
 683
 684         result = asus_wmi_get_devstate_simple(asus, asus->tablet_switch_dev_id);
 685         if (result >= 0)
 686                 asus_wmi_tablet_sw_report(asus, result);
 687 }
 688
 689 /* Charging mode, 1=Barrel, 2=USB ******************************************/
 690 static ssize_t charge_mode_show(struct device *dev,
 691                                    struct device_attribute *attr, char *buf)
 692 {
 693         struct asus_wmi *asus = dev_get_drvdata(dev);
 694         int result, value;
 695
 696         result = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CHARGE_MODE, &value);
 697         if (result < 0)
 698                 return result;
 699
 700         return sysfs_emit(buf, "%d\n", value & 0xff);
 701 }
 702
 703 static DEVICE_ATTR_RO(charge_mode);
 704
 705 /* dGPU ********************************************************************/
 706 static ssize_t dgpu_disable_show(struct device *dev,
 707                                    struct device_attribute *attr, char *buf)
 708 {
 709         struct asus_wmi *asus = dev_get_drvdata(dev);
 710         int result;
 711
 712         result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
 713         if (result < 0)
 714                 return result;
 715
 716         return sysfs_emit(buf, "%d\n", result);
 717 }
 718
 719 /*
 720  * A user may be required to store the value twice, typcial store first, then
 721  * rescan PCI bus to activate power, then store a second time to save correctly.
 722  * The reason for this is that an extra code path in the ACPI is enabled when
 723  * the device and bus are powered.
 724  */
 725 static ssize_t dgpu_disable_store(struct device *dev,
 726                                     struct device_attribute *attr,
 727                                     const char *buf, size_t count)
 728 {
 729         int result, err;
 730         u32 disable;
 731
 732         struct asus_wmi *asus = dev_get_drvdata(dev);
 733
 734         result = kstrtou32(buf, 10, &disable);
 735         if (result)
 736                 return result;
 737
 738         if (disable > 1)
 739                 return -EINVAL;
 740
 741         if (asus->gpu_mux_dev) {
 742                 result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
 743                 if (result < 0)
 744                         /* An error here may signal greater failure of GPU handling */
 745                         return result;
 746                 if (!result && disable) {
 747                         err = -ENODEV;
 748                         pr_warn("Can not disable dGPU when the MUX is in dGPU mode: %d\n", err);
 749                         return err;
 750                 }
 751         }
 752
 753         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, disable, &result);
 754         if (err) {
 755                 pr_warn("Failed to set dgpu disable: %d\n", err);
 756                 return err;
 757         }
 758
 759         if (result > 1) {
 760                 pr_warn("Failed to set dgpu disable (result): 0x%x\n", result);
 761                 return -EIO;
 762         }
 763
 764         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable");
 765
 766         return count;
 767 }
 768 static DEVICE_ATTR_RW(dgpu_disable);
 769
 770 /* eGPU ********************************************************************/
 771 static ssize_t egpu_enable_show(struct device *dev,
 772                                    struct device_attribute *attr, char *buf)
 773 {
 774         struct asus_wmi *asus = dev_get_drvdata(dev);
 775         int result;
 776
 777         result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
 778         if (result < 0)
 779                 return result;
 780
 781         return sysfs_emit(buf, "%d\n", result);
 782 }
 783
 784 /* The ACPI call to enable the eGPU also disables the internal dGPU */
 785 static ssize_t egpu_enable_store(struct device *dev,
 786                                     struct device_attribute *attr,
 787                                     const char *buf, size_t count)
 788 {
 789         int result, err;
 790         u32 enable;
 791
 792         struct asus_wmi *asus = dev_get_drvdata(dev);
 793
 794         err = kstrtou32(buf, 10, &enable);
 795         if (err)
 796                 return err;
 797
 798         if (enable > 1)
 799                 return -EINVAL;
 800
 801         err = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
 802         if (err < 0) {
 803                 pr_warn("Failed to get egpu connection status: %d\n", err);
 804                 return err;
 805         }
 806
 807         if (asus->gpu_mux_dev) {
 808                 result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
 809                 if (result < 0) {
 810                         /* An error here may signal greater failure of GPU handling */
 811                         pr_warn("Failed to get gpu mux status: %d\n", result);
 812                         return result;
 813                 }
 814                 if (!result && enable) {
 815                         err = -ENODEV;
 816                         pr_warn("Can not enable eGPU when the MUX is in dGPU mode: %d\n", err);
 817                         return err;
 818                 }
 819         }
 820
 821         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result);
 822         if (err) {
 823                 pr_warn("Failed to set egpu state: %d\n", err);
 824                 return err;
 825         }
 826
 827         if (result > 1) {
 828                 pr_warn("Failed to set egpu state (retval): 0x%x\n", result);
 829                 return -EIO;
 830         }
 831
 832         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
 833
 834         return count;
 835 }
 836 static DEVICE_ATTR_RW(egpu_enable);
 837
 838 /* Is eGPU connected? *********************************************************/
 839 static ssize_t egpu_connected_show(struct device *dev,
 840                                    struct device_attribute *attr, char *buf)
 841 {
 842         struct asus_wmi *asus = dev_get_drvdata(dev);
 843         int result;
 844
 845         result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
 846         if (result < 0)
 847                 return result;
 848
 849         return sysfs_emit(buf, "%d\n", result);
 850 }
 851
 852 static DEVICE_ATTR_RO(egpu_connected);
 853
 854 /* gpu mux switch *************************************************************/
 855 static ssize_t gpu_mux_mode_show(struct device *dev,
 856                                  struct device_attribute *attr, char *buf)
 857 {
 858         struct asus_wmi *asus = dev_get_drvdata(dev);
 859         int result;
 860
 861         result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
 862         if (result < 0)
 863                 return result;
 864
 865         return sysfs_emit(buf, "%d\n", result);
 866 }
 867
 868 static ssize_t gpu_mux_mode_store(struct device *dev,
 869                                   struct device_attribute *attr,
 870                                   const char *buf, size_t count)
 871 {
 872         struct asus_wmi *asus = dev_get_drvdata(dev);
 873         int result, err;
 874         u32 optimus;
 875
 876         err = kstrtou32(buf, 10, &optimus);
 877         if (err)
 878                 return err;
 879
 880         if (optimus > 1)
 881                 return -EINVAL;
 882
 883         if (asus->dgpu_disable_available) {
 884                 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
 885                 if (result < 0)
 886                         /* An error here may signal greater failure of GPU handling */
 887                         return result;
 888                 if (result && !optimus) {
 889                         err = -ENODEV;
 890                         pr_warn("Can not switch MUX to dGPU mode when dGPU is disabled: %d\n", err);
 891                         return err;
 892                 }
 893         }
 894
 895         if (asus->egpu_enable_available) {
 896                 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
 897                 if (result < 0)
 898                         /* An error here may signal greater failure of GPU handling */
 899                         return result;
 900                 if (result && !optimus) {
 901                         err = -ENODEV;
 902                         pr_warn("Can not switch MUX to dGPU mode when eGPU is enabled: %d\n", err);
 903                         return err;
 904                 }
 905         }
 906
 907         err = asus_wmi_set_devstate(asus->gpu_mux_dev, optimus, &result);
 908         if (err) {
 909                 dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
 910                 return err;
 911         }
 912         /* !1 is considered a fail by ASUS */
 913         if (result != 1) {
 914                 dev_warn(dev, "Failed to set GPU MUX mode (result): 0x%x\n", result);
 915                 return -EIO;
 916         }
 917
 918         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "gpu_mux_mode");
 919
 920         return count;
 921 }
 922 static DEVICE_ATTR_RW(gpu_mux_mode);
 923
 924 /* TUF Laptop Keyboard RGB Modes **********************************************/
 925 static ssize_t kbd_rgb_mode_store(struct device *dev,
 926                                  struct device_attribute *attr,
 927                                  const char *buf, size_t count)
 928 {
 929         u32 cmd, mode, r, g, b, speed;
 930         struct led_classdev *led;
 931         struct asus_wmi *asus;
 932         int err;
 933
 934         led = dev_get_drvdata(dev);
 935         asus = container_of(led, struct asus_wmi, kbd_led);
 936
 937         if (sscanf(buf, "%d %d %d %d %d %d", &cmd, &mode, &r, &g, &b, &speed) != 6)
 938                 return -EINVAL;
 939
 940         /* B3 is set and B4 is save to BIOS */
 941         switch (cmd) {
 942         case 0:
 943                 cmd = 0xb3;
 944                 break;
 945         case 1:
 946                 cmd = 0xb4;
 947                 break;
 948         default:
 949                 return -EINVAL;
 950         }
 951
 952         /* These are the known usable modes across all TUF/ROG */
 953         if (mode >= 12 || mode == 9)
 954                 mode = 10;
 955
 956         switch (speed) {
 957         case 0:
 958                 speed = 0xe1;
 959                 break;
 960         case 1:
 961                 speed = 0xeb;
 962                 break;
 963         case 2:
 964                 speed = 0xf5;
 965                 break;
 966         default:
 967                 speed = 0xeb;
 968         }
 969
 970         err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, asus->kbd_rgb_dev,
 971                         cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL);
 972         if (err)
 973                 return err;
 974
 975         return count;
 976 }
 977 static DEVICE_ATTR_WO(kbd_rgb_mode);
 978
 979 static DEVICE_STRING_ATTR_RO(kbd_rgb_mode_index, 0444,
 980                              "cmd mode red green blue speed");
 981
 982 static struct attribute *kbd_rgb_mode_attrs[] = {
 983         &dev_attr_kbd_rgb_mode.attr,
 984         &dev_attr_kbd_rgb_mode_index.attr.attr,
 985         NULL,
 986 };
 987
 988 static const struct attribute_group kbd_rgb_mode_group = {
 989         .attrs = kbd_rgb_mode_attrs,
 990 };
 991
 992 /* TUF Laptop Keyboard RGB State **********************************************/
 993 static ssize_t kbd_rgb_state_store(struct device *dev,
 994                                  struct device_attribute *attr,
 995                                  const char *buf, size_t count)
 996 {
 997         u32 flags, cmd, boot, awake, sleep, keyboard;
 998         int err;
 999
1000         if (sscanf(buf, "%d %d %d %d %d", &cmd, &boot, &awake, &sleep, &keyboard) != 5)
1001                 return -EINVAL;
1002
1003         if (cmd)
1004                 cmd = BIT(2);
1005
1006         flags = 0;
1007         if (boot)
1008                 flags |= BIT(1);
1009         if (awake)
1010                 flags |= BIT(3);
1011         if (sleep)
1012                 flags |= BIT(5);
1013         if (keyboard)
1014                 flags |= BIT(7);
1015
1016         /* 0xbd is the required default arg0 for the method. Nothing happens otherwise */
1017         err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS,
1018                         ASUS_WMI_DEVID_TUF_RGB_STATE, 0xbd | cmd << 8 | (flags << 16), 0, NULL);
1019         if (err)
1020                 return err;
1021
1022         return count;
1023 }
1024 static DEVICE_ATTR_WO(kbd_rgb_state);
1025
1026 static DEVICE_STRING_ATTR_RO(kbd_rgb_state_index, 0444,
1027                              "cmd boot awake sleep keyboard");
1028
1029 static struct attribute *kbd_rgb_state_attrs[] = {
1030         &dev_attr_kbd_rgb_state.attr,
1031         &dev_attr_kbd_rgb_state_index.attr.attr,
1032         NULL,
1033 };
1034
1035 static const struct attribute_group kbd_rgb_state_group = {
1036         .attrs = kbd_rgb_state_attrs,
1037 };
1038
1039 static const struct attribute_group *kbd_rgb_mode_groups[] = {
1040         NULL,
1041         NULL,
1042         NULL,
1043 };
1044
1045 /* Tunable: PPT: Intel=PL1, AMD=SPPT *****************************************/
1046 static ssize_t ppt_pl2_sppt_store(struct device *dev,
1047                                     struct device_attribute *attr,
1048                                     const char *buf, size_t count)
1049 {
1050         struct asus_wmi *asus = dev_get_drvdata(dev);
1051         int result, err;
1052         u32 value;
1053
1054         result = kstrtou32(buf, 10, &value);
1055         if (result)
1056                 return result;
1057
1058         if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX)
1059                 return -EINVAL;
1060
1061         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PL2_SPPT, value, &result);
1062         if (err) {
1063                 pr_warn("Failed to set ppt_pl2_sppt: %d\n", err);
1064                 return err;
1065         }
1066
1067         if (result > 1) {
1068                 pr_warn("Failed to set ppt_pl2_sppt (result): 0x%x\n", result);
1069                 return -EIO;
1070         }
1071
1072         asus->ppt_pl2_sppt = value;
1073         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl2_sppt");
1074
1075         return count;
1076 }
1077
1078 static ssize_t ppt_pl2_sppt_show(struct device *dev,
1079                                        struct device_attribute *attr,
1080                                        char *buf)
1081 {
1082         struct asus_wmi *asus = dev_get_drvdata(dev);
1083
1084         return sysfs_emit(buf, "%u\n", asus->ppt_pl2_sppt);
1085 }
1086 static DEVICE_ATTR_RW(ppt_pl2_sppt);
1087
1088 /* Tunable: PPT, Intel=PL1, AMD=SPL ******************************************/
1089 static ssize_t ppt_pl1_spl_store(struct device *dev,
1090                                     struct device_attribute *attr,
1091                                     const char *buf, size_t count)
1092 {
1093         struct asus_wmi *asus = dev_get_drvdata(dev);
1094         int result, err;
1095         u32 value;
1096
1097         result = kstrtou32(buf, 10, &value);
1098         if (result)
1099                 return result;
1100
1101         if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX)
1102                 return -EINVAL;
1103
1104         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PL1_SPL, value, &result);
1105         if (err) {
1106                 pr_warn("Failed to set ppt_pl1_spl: %d\n", err);
1107                 return err;
1108         }
1109
1110         if (result > 1) {
1111                 pr_warn("Failed to set ppt_pl1_spl (result): 0x%x\n", result);
1112                 return -EIO;
1113         }
1114
1115         asus->ppt_pl1_spl = value;
1116         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl1_spl");
1117
1118         return count;
1119 }
1120 static ssize_t ppt_pl1_spl_show(struct device *dev,
1121                                  struct device_attribute *attr,
1122                                  char *buf)
1123 {
1124         struct asus_wmi *asus = dev_get_drvdata(dev);
1125
1126         return sysfs_emit(buf, "%u\n", asus->ppt_pl1_spl);
1127 }
1128 static DEVICE_ATTR_RW(ppt_pl1_spl);
1129
1130 /* Tunable: PPT APU FPPT ******************************************************/
1131 static ssize_t ppt_fppt_store(struct device *dev,
1132                                     struct device_attribute *attr,
1133                                     const char *buf, size_t count)
1134 {
1135         struct asus_wmi *asus = dev_get_drvdata(dev);
1136         int result, err;
1137         u32 value;
1138
1139         result = kstrtou32(buf, 10, &value);
1140         if (result)
1141                 return result;
1142
1143         if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX)
1144                 return -EINVAL;
1145
1146         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_FPPT, value, &result);
1147         if (err) {
1148                 pr_warn("Failed to set ppt_fppt: %d\n", err);
1149                 return err;
1150         }
1151
1152         if (result > 1) {
1153                 pr_warn("Failed to set ppt_fppt (result): 0x%x\n", result);
1154                 return -EIO;
1155         }
1156
1157         asus->ppt_fppt = value;
1158         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_fpu_sppt");
1159
1160         return count;
1161 }
1162
1163 static ssize_t ppt_fppt_show(struct device *dev,
1164                                 struct device_attribute *attr,
1165                                 char *buf)
1166 {
1167         struct asus_wmi *asus = dev_get_drvdata(dev);
1168
1169         return sysfs_emit(buf, "%u\n", asus->ppt_fppt);
1170 }
1171 static DEVICE_ATTR_RW(ppt_fppt);
1172
1173 /* Tunable: PPT APU SPPT *****************************************************/
1174 static ssize_t ppt_apu_sppt_store(struct device *dev,
1175                                     struct device_attribute *attr,
1176                                     const char *buf, size_t count)
1177 {
1178         struct asus_wmi *asus = dev_get_drvdata(dev);
1179         int result, err;
1180         u32 value;
1181
1182         result = kstrtou32(buf, 10, &value);
1183         if (result)
1184                 return result;
1185
1186         if (value < PPT_CPU_MIN || value > PPT_CPU_MAX)
1187                 return -EINVAL;
1188
1189         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_APU_SPPT, value, &result);
1190         if (err) {
1191                 pr_warn("Failed to set ppt_apu_sppt: %d\n", err);
1192                 return err;
1193         }
1194
1195         if (result > 1) {
1196                 pr_warn("Failed to set ppt_apu_sppt (result): 0x%x\n", result);
1197                 return -EIO;
1198         }
1199
1200         asus->ppt_apu_sppt = value;
1201         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_apu_sppt");
1202
1203         return count;
1204 }
1205
1206 static ssize_t ppt_apu_sppt_show(struct device *dev,
1207                              struct device_attribute *attr,
1208                              char *buf)
1209 {
1210         struct asus_wmi *asus = dev_get_drvdata(dev);
1211
1212         return sysfs_emit(buf, "%u\n", asus->ppt_apu_sppt);
1213 }
1214 static DEVICE_ATTR_RW(ppt_apu_sppt);
1215
1216 /* Tunable: PPT platform SPPT ************************************************/
1217 static ssize_t ppt_platform_sppt_store(struct device *dev,
1218                                     struct device_attribute *attr,
1219                                     const char *buf, size_t count)
1220 {
1221         struct asus_wmi *asus = dev_get_drvdata(dev);
1222         int result, err;
1223         u32 value;
1224
1225         result = kstrtou32(buf, 10, &value);
1226         if (result)
1227                 return result;
1228
1229         if (value < PPT_CPU_MIN || value > PPT_CPU_MAX)
1230                 return -EINVAL;
1231
1232         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PLAT_SPPT, value, &result);
1233         if (err) {
1234                 pr_warn("Failed to set ppt_platform_sppt: %d\n", err);
1235                 return err;
1236         }
1237
1238         if (result > 1) {
1239                 pr_warn("Failed to set ppt_platform_sppt (result): 0x%x\n", result);
1240                 return -EIO;
1241         }
1242
1243         asus->ppt_platform_sppt = value;
1244         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_platform_sppt");
1245
1246         return count;
1247 }
1248
1249 static ssize_t ppt_platform_sppt_show(struct device *dev,
1250                                  struct device_attribute *attr,
1251                                  char *buf)
1252 {
1253         struct asus_wmi *asus = dev_get_drvdata(dev);
1254
1255         return sysfs_emit(buf, "%u\n", asus->ppt_platform_sppt);
1256 }
1257 static DEVICE_ATTR_RW(ppt_platform_sppt);
1258
1259 /* Tunable: NVIDIA dynamic boost *********************************************/
1260 static ssize_t nv_dynamic_boost_store(struct device *dev,
1261                                     struct device_attribute *attr,
1262                                     const char *buf, size_t count)
1263 {
1264         struct asus_wmi *asus = dev_get_drvdata(dev);
1265         int result, err;
1266         u32 value;
1267
1268         result = kstrtou32(buf, 10, &value);
1269         if (result)
1270                 return result;
1271
1272         if (value < NVIDIA_BOOST_MIN || value > NVIDIA_BOOST_MAX)
1273                 return -EINVAL;
1274
1275         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_NV_DYN_BOOST, value, &result);
1276         if (err) {
1277                 pr_warn("Failed to set nv_dynamic_boost: %d\n", err);
1278                 return err;
1279         }
1280
1281         if (result > 1) {
1282                 pr_warn("Failed to set nv_dynamic_boost (result): 0x%x\n", result);
1283                 return -EIO;
1284         }
1285
1286         asus->nv_dynamic_boost = value;
1287         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_dynamic_boost");
1288
1289         return count;
1290 }
1291
1292 static ssize_t nv_dynamic_boost_show(struct device *dev,
1293                                       struct device_attribute *attr,
1294                                       char *buf)
1295 {
1296         struct asus_wmi *asus = dev_get_drvdata(dev);
1297
1298         return sysfs_emit(buf, "%u\n", asus->nv_dynamic_boost);
1299 }
1300 static DEVICE_ATTR_RW(nv_dynamic_boost);
1301
1302 /* Tunable: NVIDIA temperature target ****************************************/
1303 static ssize_t nv_temp_target_store(struct device *dev,
1304                                     struct device_attribute *attr,
1305                                     const char *buf, size_t count)
1306 {
1307         struct asus_wmi *asus = dev_get_drvdata(dev);
1308         int result, err;
1309         u32 value;
1310
1311         result = kstrtou32(buf, 10, &value);
1312         if (result)
1313                 return result;
1314
1315         if (value < NVIDIA_TEMP_MIN || value > NVIDIA_TEMP_MAX)
1316                 return -EINVAL;
1317
1318         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_NV_THERM_TARGET, value, &result);
1319         if (err) {
1320                 pr_warn("Failed to set nv_temp_target: %d\n", err);
1321                 return err;
1322         }
1323
1324         if (result > 1) {
1325                 pr_warn("Failed to set nv_temp_target (result): 0x%x\n", result);
1326                 return -EIO;
1327         }
1328
1329         asus->nv_temp_target = value;
1330         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_temp_target");
1331
1332         return count;
1333 }
1334
1335 static ssize_t nv_temp_target_show(struct device *dev,
1336                                      struct device_attribute *attr,
1337                                      char *buf)
1338 {
1339         struct asus_wmi *asus = dev_get_drvdata(dev);
1340
1341         return sysfs_emit(buf, "%u\n", asus->nv_temp_target);
1342 }
1343 static DEVICE_ATTR_RW(nv_temp_target);
1344
1345 /* Ally MCU Powersave ********************************************************/
1346 static ssize_t mcu_powersave_show(struct device *dev,
1347                                    struct device_attribute *attr, char *buf)
1348 {
1349         struct asus_wmi *asus = dev_get_drvdata(dev);
1350         int result;
1351
1352         result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MCU_POWERSAVE);
1353         if (result < 0)
1354                 return result;
1355
1356         return sysfs_emit(buf, "%d\n", result);
1357 }
1358
1359 static ssize_t mcu_powersave_store(struct device *dev,
1360                                     struct device_attribute *attr,
1361                                     const char *buf, size_t count)
1362 {
1363         int result, err;
1364         u32 enable;
1365
1366         struct asus_wmi *asus = dev_get_drvdata(dev);
1367
1368         result = kstrtou32(buf, 10, &enable);
1369         if (result)
1370                 return result;
1371
1372         if (enable > 1)
1373                 return -EINVAL;
1374
1375         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MCU_POWERSAVE, enable, &result);
1376         if (err) {
1377                 pr_warn("Failed to set MCU powersave: %d\n", err);
1378                 return err;
1379         }
1380
1381         if (result > 1) {
1382                 pr_warn("Failed to set MCU powersave (result): 0x%x\n", result);
1383                 return -EIO;
1384         }
1385
1386         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mcu_powersave");
1387
1388         return count;
1389 }
1390 static DEVICE_ATTR_RW(mcu_powersave);
1391
1392 /* Battery ********************************************************************/
1393
1394 /* The battery maximum charging percentage */
1395 static int charge_end_threshold;
1396
1397 static ssize_t charge_control_end_threshold_store(struct device *dev,
1398                                                   struct device_attribute *attr,
1399                                                   const char *buf, size_t count)
1400 {
1401         int value, ret, rv;
1402
1403         ret = kstrtouint(buf, 10, &value);
1404         if (ret)
1405                 return ret;
1406
1407         if (value < 0 || value > 100)
1408                 return -EINVAL;
1409
1410         ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv);
1411         if (ret)
1412                 return ret;
1413
1414         if (rv != 1)
1415                 return -EIO;
1416
1417         /* There isn't any method in the DSDT to read the threshold, so we
1418          * save the threshold.
1419          */
1420         charge_end_threshold = value;
1421         return count;
1422 }
1423
1424 static ssize_t charge_control_end_threshold_show(struct device *device,
1425                                                  struct device_attribute *attr,
1426                                                  char *buf)
1427 {
1428         return sysfs_emit(buf, "%d\n", charge_end_threshold);
1429 }
1430
1431 static DEVICE_ATTR_RW(charge_control_end_threshold);
1432
1433 static int asus_wmi_battery_add(struct power_supply *battery, struct acpi_battery_hook *hook)
1434 {
1435         /* The WMI method does not provide a way to specific a battery, so we
1436          * just assume it is the first battery.
1437          * Note: On some newer ASUS laptops (Zenbook UM431DA), the primary/first
1438          * battery is named BATT.
1439          */
1440         if (strcmp(battery->desc->name, "BAT0") != 0 &&
1441             strcmp(battery->desc->name, "BAT1") != 0 &&
1442             strcmp(battery->desc->name, "BATC") != 0 &&
1443             strcmp(battery->desc->name, "BATT") != 0)
1444                 return -ENODEV;
1445
1446         if (device_create_file(&battery->dev,
1447             &dev_attr_charge_control_end_threshold))
1448                 return -ENODEV;
1449
1450         /* The charge threshold is only reset when the system is power cycled,
1451          * and we can't get the current threshold so let set it to 100% when
1452          * a battery is added.
1453          */
1454         asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL);
1455         charge_end_threshold = 100;
1456
1457         return 0;
1458 }
1459
1460 static int asus_wmi_battery_remove(struct power_supply *battery, struct acpi_battery_hook *hook)
1461 {
1462         device_remove_file(&battery->dev,
1463                            &dev_attr_charge_control_end_threshold);
1464         return 0;
1465 }
1466
1467 static struct acpi_battery_hook battery_hook = {
1468         .add_battery = asus_wmi_battery_add,
1469         .remove_battery = asus_wmi_battery_remove,
1470         .name = "ASUS Battery Extension",
1471 };
1472
1473 static void asus_wmi_battery_init(struct asus_wmi *asus)
1474 {
1475         asus->battery_rsoc_available = false;
1476         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
1477                 asus->battery_rsoc_available = true;
1478                 battery_hook_register(&battery_hook);
1479         }
1480 }
1481
1482 static void asus_wmi_battery_exit(struct asus_wmi *asus)
1483 {
1484         if (asus->battery_rsoc_available)
1485                 battery_hook_unregister(&battery_hook);
1486 }
1487
1488 /* LEDs ***********************************************************************/
1489
1490 /*
1491  * These functions actually update the LED's, and are called from a
1492  * workqueue. By doing this as separate work rather than when the LED
1493  * subsystem asks, we avoid messing with the Asus ACPI stuff during a
1494  * potentially bad time, such as a timer interrupt.
1495  */
1496 static void tpd_led_update(struct work_struct *work)
1497 {
1498         int ctrl_param;
1499         struct asus_wmi *asus;
1500
1501         asus = container_of(work, struct asus_wmi, tpd_led_work);
1502
1503         ctrl_param = asus->tpd_led_wk;
1504         asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
1505 }
1506
1507 static void tpd_led_set(struct led_classdev *led_cdev,
1508                         enum led_brightness value)
1509 {
1510         struct asus_wmi *asus;
1511
1512         asus = container_of(led_cdev, struct asus_wmi, tpd_led);
1513
1514         asus->tpd_led_wk = !!value;
1515         queue_work(asus->led_workqueue, &asus->tpd_led_work);
1516 }
1517
1518 static int read_tpd_led_state(struct asus_wmi *asus)
1519 {
1520         return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
1521 }
1522
1523 static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
1524 {
1525         struct asus_wmi *asus;
1526
1527         asus = container_of(led_cdev, struct asus_wmi, tpd_led);
1528
1529         return read_tpd_led_state(asus);
1530 }
1531
1532 static void kbd_led_update(struct asus_wmi *asus)
1533 {
1534         int ctrl_param = 0;
1535
1536         ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
1537         asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
1538 }
1539
1540 static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
1541 {
1542         int retval;
1543
1544         /*
1545          * bits 0-2: level
1546          * bit 7: light on/off
1547          * bit 8-10: environment (0: dark, 1: normal, 2: light)
1548          * bit 17: status unknown
1549          */
1550         retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
1551                                             0xFFFF);
1552
1553         /* Unknown status is considered as off */
1554         if (retval == 0x8000)
1555                 retval = 0;
1556
1557         if (retval < 0)
1558                 return retval;
1559
1560         if (level)
1561                 *level = retval & 0x7F;
1562         if (env)
1563                 *env = (retval >> 8) & 0x7F;
1564         return 0;
1565 }
1566
1567 static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
1568 {
1569         struct asus_wmi *asus;
1570         int max_level;
1571
1572         asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1573         max_level = asus->kbd_led.max_brightness;
1574
1575         asus->kbd_led_wk = clamp_val(value, 0, max_level);
1576         kbd_led_update(asus);
1577 }
1578
1579 static void kbd_led_set(struct led_classdev *led_cdev,
1580                         enum led_brightness value)
1581 {
1582         /* Prevent disabling keyboard backlight on module unregister */
1583         if (led_cdev->flags & LED_UNREGISTERING)
1584                 return;
1585
1586         do_kbd_led_set(led_cdev, value);
1587 }
1588
1589 static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value)
1590 {
1591         struct led_classdev *led_cdev = &asus->kbd_led;
1592
1593         do_kbd_led_set(led_cdev, value);
1594         led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk);
1595 }
1596
1597 static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
1598 {
1599         struct asus_wmi *asus;
1600         int retval, value;
1601
1602         asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1603
1604         retval = kbd_led_read(asus, &value, NULL);
1605         if (retval < 0)
1606                 return retval;
1607
1608         return value;
1609 }
1610
1611 static int wlan_led_unknown_state(struct asus_wmi *asus)
1612 {
1613         u32 result;
1614
1615         asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1616
1617         return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
1618 }
1619
1620 static void wlan_led_update(struct work_struct *work)
1621 {
1622         int ctrl_param;
1623         struct asus_wmi *asus;
1624
1625         asus = container_of(work, struct asus_wmi, wlan_led_work);
1626
1627         ctrl_param = asus->wlan_led_wk;
1628         asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
1629 }
1630
1631 static void wlan_led_set(struct led_classdev *led_cdev,
1632                          enum led_brightness value)
1633 {
1634         struct asus_wmi *asus;
1635
1636         asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1637
1638         asus->wlan_led_wk = !!value;
1639         queue_work(asus->led_workqueue, &asus->wlan_led_work);
1640 }
1641
1642 static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
1643 {
1644         struct asus_wmi *asus;
1645         u32 result;
1646
1647         asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1648         asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1649
1650         return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
1651 }
1652
1653 static void lightbar_led_update(struct work_struct *work)
1654 {
1655         struct asus_wmi *asus;
1656         int ctrl_param;
1657
1658         asus = container_of(work, struct asus_wmi, lightbar_led_work);
1659
1660         ctrl_param = asus->lightbar_led_wk;
1661         asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL);
1662 }
1663
1664 static void lightbar_led_set(struct led_classdev *led_cdev,
1665                              enum led_brightness value)
1666 {
1667         struct asus_wmi *asus;
1668
1669         asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1670
1671         asus->lightbar_led_wk = !!value;
1672         queue_work(asus->led_workqueue, &asus->lightbar_led_work);
1673 }
1674
1675 static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
1676 {
1677         struct asus_wmi *asus;
1678         u32 result;
1679
1680         asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1681         asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
1682
1683         return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
1684 }
1685
1686 static int micmute_led_set(struct led_classdev *led_cdev,
1687                            enum led_brightness brightness)
1688 {
1689         int state = brightness != LED_OFF;
1690         int err;
1691
1692         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL);
1693         return err < 0 ? err : 0;
1694 }
1695
1696 static enum led_brightness camera_led_get(struct led_classdev *led_cdev)
1697 {
1698         struct asus_wmi *asus;
1699         u32 result;
1700
1701         asus = container_of(led_cdev, struct asus_wmi, camera_led);
1702         asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CAMERA_LED, &result);
1703
1704         return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
1705 }
1706
1707 static int camera_led_set(struct led_classdev *led_cdev,
1708                            enum led_brightness brightness)
1709 {
1710         int state = brightness != LED_OFF;
1711         int err;
1712
1713         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_CAMERA_LED, state, NULL);
1714         return err < 0 ? err : 0;
1715 }
1716
1717 static void asus_wmi_led_exit(struct asus_wmi *asus)
1718 {
1719         led_classdev_unregister(&asus->kbd_led);
1720         led_classdev_unregister(&asus->tpd_led);
1721         led_classdev_unregister(&asus->wlan_led);
1722         led_classdev_unregister(&asus->lightbar_led);
1723         led_classdev_unregister(&asus->micmute_led);
1724         led_classdev_unregister(&asus->camera_led);
1725
1726         if (asus->led_workqueue)
1727                 destroy_workqueue(asus->led_workqueue);
1728 }
1729
1730 static int asus_wmi_led_init(struct asus_wmi *asus)
1731 {
1732         int rv = 0, num_rgb_groups = 0, led_val;
1733
1734         if (asus->kbd_rgb_dev)
1735                 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group;
1736         if (asus->kbd_rgb_state_available)
1737                 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group;
1738
1739         asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
1740         if (!asus->led_workqueue)
1741                 return -ENOMEM;
1742
1743         if (read_tpd_led_state(asus) >= 0) {
1744                 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
1745
1746                 asus->tpd_led.name = "asus::touchpad";
1747                 asus->tpd_led.brightness_set = tpd_led_set;
1748                 asus->tpd_led.brightness_get = tpd_led_get;
1749                 asus->tpd_led.max_brightness = 1;
1750
1751                 rv = led_classdev_register(&asus->platform_device->dev,
1752                                            &asus->tpd_led);
1753                 if (rv)
1754                         goto error;
1755         }
1756
1757         if (!kbd_led_read(asus, &led_val, NULL) && !dmi_check_system(asus_use_hid_led_dmi_ids)) {
1758                 pr_info("using asus-wmi for asus::kbd_backlight\n");
1759                 asus->kbd_led_wk = led_val;
1760                 asus->kbd_led.name = "asus::kbd_backlight";
1761                 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
1762                 asus->kbd_led.brightness_set = kbd_led_set;
1763                 asus->kbd_led.brightness_get = kbd_led_get;
1764                 asus->kbd_led.max_brightness = 3;
1765
1766                 if (num_rgb_groups != 0)
1767                         asus->kbd_led.groups = kbd_rgb_mode_groups;
1768
1769                 rv = led_classdev_register(&asus->platform_device->dev,
1770                                            &asus->kbd_led);
1771                 if (rv)
1772                         goto error;
1773         }
1774
1775         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
1776                         && (asus->driver->quirks->wapf > 0)) {
1777                 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
1778
1779                 asus->wlan_led.name = "asus::wlan";
1780                 asus->wlan_led.brightness_set = wlan_led_set;
1781                 if (!wlan_led_unknown_state(asus))
1782                         asus->wlan_led.brightness_get = wlan_led_get;
1783                 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
1784                 asus->wlan_led.max_brightness = 1;
1785                 asus->wlan_led.default_trigger = "asus-wlan";
1786
1787                 rv = led_classdev_register(&asus->platform_device->dev,
1788                                            &asus->wlan_led);
1789                 if (rv)
1790                         goto error;
1791         }
1792
1793         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
1794                 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
1795
1796                 asus->lightbar_led.name = "asus::lightbar";
1797                 asus->lightbar_led.brightness_set = lightbar_led_set;
1798                 asus->lightbar_led.brightness_get = lightbar_led_get;
1799                 asus->lightbar_led.max_brightness = 1;
1800
1801                 rv = led_classdev_register(&asus->platform_device->dev,
1802                                            &asus->lightbar_led);
1803         }
1804
1805         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) {
1806                 asus->micmute_led.name = "platform::micmute";
1807                 asus->micmute_led.max_brightness = 1;
1808                 asus->micmute_led.brightness_set_blocking = micmute_led_set;
1809                 asus->micmute_led.default_trigger = "audio-micmute";
1810
1811                 rv = led_classdev_register(&asus->platform_device->dev,
1812                                                 &asus->micmute_led);
1813                 if (rv)
1814                         goto error;
1815         }
1816
1817         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CAMERA_LED)) {
1818                 asus->camera_led.name = "asus::camera";
1819                 asus->camera_led.max_brightness = 1;
1820                 asus->camera_led.brightness_get = camera_led_get;
1821                 asus->camera_led.brightness_set_blocking = camera_led_set;
1822
1823                 rv = led_classdev_register(&asus->platform_device->dev,
1824                                                 &asus->camera_led);
1825                 if (rv)
1826                         goto error;
1827         }
1828
1829         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_OOBE)) {
1830                 /*
1831                  * Disable OOBE state, so that e.g. the keyboard backlight
1832                  * works.
1833                  */
1834                 rv = asus_wmi_set_devstate(ASUS_WMI_DEVID_OOBE, 1, NULL);
1835                 if (rv)
1836                         goto error;
1837         }
1838
1839 error:
1840         if (rv)
1841                 asus_wmi_led_exit(asus);
1842
1843         return rv;
1844 }
1845
1846 /* RF *************************************************************************/
1847
1848 /*
1849  * PCI hotplug (for wlan rfkill)
1850  */
1851 static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
1852 {
1853         int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1854
1855         if (result < 0)
1856                 return false;
1857         return !result;
1858 }
1859
1860 static void asus_rfkill_hotplug(struct asus_wmi *asus)
1861 {
1862         struct pci_dev *dev;
1863         struct pci_bus *bus;
1864         bool blocked;
1865         bool absent;
1866         u32 l;
1867
1868         mutex_lock(&asus->wmi_lock);
1869         blocked = asus_wlan_rfkill_blocked(asus);
1870         mutex_unlock(&asus->wmi_lock);
1871
1872         mutex_lock(&asus->hotplug_lock);
1873         pci_lock_rescan_remove();
1874
1875         if (asus->wlan.rfkill)
1876                 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
1877
1878         if (asus->hotplug_slot.ops) {
1879                 bus = pci_find_bus(0, 1);
1880                 if (!bus) {
1881                         pr_warn("Unable to find PCI bus 1?\n");
1882                         goto out_unlock;
1883                 }
1884
1885                 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
1886                         pr_err("Unable to read PCI config space?\n");
1887                         goto out_unlock;
1888                 }
1889                 absent = (l == 0xffffffff);
1890
1891                 if (blocked != absent) {
1892                         pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n",
1893                                 blocked ? "blocked" : "unblocked",
1894                                 absent ? "absent" : "present");
1895                         pr_warn("skipped wireless hotplug as probably inappropriate for this model\n");
1896                         goto out_unlock;
1897                 }
1898
1899                 if (!blocked) {
1900                         dev = pci_get_slot(bus, 0);
1901                         if (dev) {
1902                                 /* Device already present */
1903                                 pci_dev_put(dev);
1904                                 goto out_unlock;
1905                         }
1906                         dev = pci_scan_single_device(bus, 0);
1907                         if (dev) {
1908                                 pci_bus_assign_resources(bus);
1909                                 pci_bus_add_device(dev);
1910                         }
1911                 } else {
1912                         dev = pci_get_slot(bus, 0);
1913                         if (dev) {
1914                                 pci_stop_and_remove_bus_device(dev);
1915                                 pci_dev_put(dev);
1916                         }
1917                 }
1918         }
1919
1920 out_unlock:
1921         pci_unlock_rescan_remove();
1922         mutex_unlock(&asus->hotplug_lock);
1923 }
1924
1925 static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
1926 {
1927         struct asus_wmi *asus = data;
1928
1929         if (event != ACPI_NOTIFY_BUS_CHECK)
1930                 return;
1931
1932         /*
1933          * We can't call directly asus_rfkill_hotplug because most
1934          * of the time WMBC is still being executed and not reetrant.
1935          * There is currently no way to tell ACPICA that  we want this
1936          * method to be serialized, we schedule a asus_rfkill_hotplug
1937          * call later, in a safer context.
1938          */
1939         queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
1940 }
1941
1942 static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
1943 {
1944         acpi_status status;
1945         acpi_handle handle;
1946
1947         status = acpi_get_handle(NULL, node, &handle);
1948         if (ACPI_FAILURE(status))
1949                 return -ENODEV;
1950
1951         status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1952                                              asus_rfkill_notify, asus);
1953         if (ACPI_FAILURE(status))
1954                 pr_warn("Failed to register notify on %s\n", node);
1955
1956         return 0;
1957 }
1958
1959 static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
1960 {
1961         acpi_status status = AE_OK;
1962         acpi_handle handle;
1963
1964         status = acpi_get_handle(NULL, node, &handle);
1965         if (ACPI_FAILURE(status))
1966                 return;
1967
1968         status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1969                                             asus_rfkill_notify);
1970         if (ACPI_FAILURE(status))
1971                 pr_err("Error removing rfkill notify handler %s\n", node);
1972 }
1973
1974 static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
1975                                    u8 *value)
1976 {
1977         struct asus_wmi *asus = container_of(hotplug_slot,
1978                                              struct asus_wmi, hotplug_slot);
1979         int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1980
1981         if (result < 0)
1982                 return result;
1983
1984         *value = !!result;
1985         return 0;
1986 }
1987
1988 static const struct hotplug_slot_ops asus_hotplug_slot_ops = {
1989         .get_adapter_status = asus_get_adapter_status,
1990         .get_power_status = asus_get_adapter_status,
1991 };
1992
1993 static void asus_hotplug_work(struct work_struct *work)
1994 {
1995         struct asus_wmi *asus;
1996
1997         asus = container_of(work, struct asus_wmi, hotplug_work);
1998         asus_rfkill_hotplug(asus);
1999 }
2000
2001 static int asus_setup_pci_hotplug(struct asus_wmi *asus)
2002 {
2003         int ret = -ENOMEM;
2004         struct pci_bus *bus = pci_find_bus(0, 1);
2005
2006         if (!bus) {
2007                 pr_err("Unable to find wifi PCI bus\n");
2008                 return -ENODEV;
2009         }
2010
2011         asus->hotplug_workqueue =
2012             create_singlethread_workqueue("hotplug_workqueue");
2013         if (!asus->hotplug_workqueue)
2014                 goto error_workqueue;
2015
2016         INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
2017
2018         asus->hotplug_slot.ops = &asus_hotplug_slot_ops;
2019
2020         ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi");
2021         if (ret) {
2022                 pr_err("Unable to register hotplug slot - %d\n", ret);
2023                 goto error_register;
2024         }
2025
2026         return 0;
2027
2028 error_register:
2029         asus->hotplug_slot.ops = NULL;
2030         destroy_workqueue(asus->hotplug_workqueue);
2031 error_workqueue:
2032         return ret;
2033 }
2034
2035 /*
2036  * Rfkill devices
2037  */
2038 static int asus_rfkill_set(void *data, bool blocked)
2039 {
2040         struct asus_rfkill *priv = data;
2041         u32 ctrl_param = !blocked;
2042         u32 dev_id = priv->dev_id;
2043
2044         /*
2045          * If the user bit is set, BIOS can't set and record the wlan status,
2046          * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
2047          * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
2048          * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
2049          * while setting the wlan status through WMI.
2050          * This is also the behavior that windows app will do.
2051          */
2052         if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
2053              priv->asus->driver->wlan_ctrl_by_user)
2054                 dev_id = ASUS_WMI_DEVID_WLAN_LED;
2055
2056         return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
2057 }
2058
2059 static void asus_rfkill_query(struct rfkill *rfkill, void *data)
2060 {
2061         struct asus_rfkill *priv = data;
2062         int result;
2063
2064         result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
2065
2066         if (result < 0)
2067                 return;
2068
2069         rfkill_set_sw_state(priv->rfkill, !result);
2070 }
2071
2072 static int asus_rfkill_wlan_set(void *data, bool blocked)
2073 {
2074         struct asus_rfkill *priv = data;
2075         struct asus_wmi *asus = priv->asus;
2076         int ret;
2077
2078         /*
2079          * This handler is enabled only if hotplug is enabled.
2080          * In this case, the asus_wmi_set_devstate() will
2081          * trigger a wmi notification and we need to wait
2082          * this call to finish before being able to call
2083          * any wmi method
2084          */
2085         mutex_lock(&asus->wmi_lock);
2086         ret = asus_rfkill_set(data, blocked);
2087         mutex_unlock(&asus->wmi_lock);
2088         return ret;
2089 }
2090
2091 static const struct rfkill_ops asus_rfkill_wlan_ops = {
2092         .set_block = asus_rfkill_wlan_set,
2093         .query = asus_rfkill_query,
2094 };
2095
2096 static const struct rfkill_ops asus_rfkill_ops = {
2097         .set_block = asus_rfkill_set,
2098         .query = asus_rfkill_query,
2099 };
2100
2101 static int asus_new_rfkill(struct asus_wmi *asus,
2102                            struct asus_rfkill *arfkill,
2103                            const char *name, enum rfkill_type type, int dev_id)
2104 {
2105         int result = asus_wmi_get_devstate_simple(asus, dev_id);
2106         struct rfkill **rfkill = &arfkill->rfkill;
2107
2108         if (result < 0)
2109                 return result;
2110
2111         arfkill->dev_id = dev_id;
2112         arfkill->asus = asus;
2113
2114         if (dev_id == ASUS_WMI_DEVID_WLAN &&
2115             asus->driver->quirks->hotplug_wireless)
2116                 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
2117                                        &asus_rfkill_wlan_ops, arfkill);
2118         else
2119                 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
2120                                        &asus_rfkill_ops, arfkill);
2121
2122         if (!*rfkill)
2123                 return -EINVAL;
2124
2125         if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
2126                         (asus->driver->quirks->wapf > 0))
2127                 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
2128
2129         rfkill_init_sw_state(*rfkill, !result);
2130         result = rfkill_register(*rfkill);
2131         if (result) {
2132                 rfkill_destroy(*rfkill);
2133                 *rfkill = NULL;
2134                 return result;
2135         }
2136         return 0;
2137 }
2138
2139 static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
2140 {
2141         if (asus->driver->wlan_ctrl_by_user && ashs_present())
2142                 return;
2143
2144         asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
2145         asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
2146         asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
2147         if (asus->wlan.rfkill) {
2148                 rfkill_unregister(asus->wlan.rfkill);
2149                 rfkill_destroy(asus->wlan.rfkill);
2150                 asus->wlan.rfkill = NULL;
2151         }
2152         /*
2153          * Refresh pci hotplug in case the rfkill state was changed after
2154          * asus_unregister_rfkill_notifier()
2155          */
2156         asus_rfkill_hotplug(asus);
2157         if (asus->hotplug_slot.ops)
2158                 pci_hp_deregister(&asus->hotplug_slot);
2159         if (asus->hotplug_workqueue)
2160                 destroy_workqueue(asus->hotplug_workqueue);
2161
2162         if (asus->bluetooth.rfkill) {
2163                 rfkill_unregister(asus->bluetooth.rfkill);
2164                 rfkill_destroy(asus->bluetooth.rfkill);
2165                 asus->bluetooth.rfkill = NULL;
2166         }
2167         if (asus->wimax.rfkill) {
2168                 rfkill_unregister(asus->wimax.rfkill);
2169                 rfkill_destroy(asus->wimax.rfkill);
2170                 asus->wimax.rfkill = NULL;
2171         }
2172         if (asus->wwan3g.rfkill) {
2173                 rfkill_unregister(asus->wwan3g.rfkill);
2174                 rfkill_destroy(asus->wwan3g.rfkill);
2175                 asus->wwan3g.rfkill = NULL;
2176         }
2177         if (asus->gps.rfkill) {
2178                 rfkill_unregister(asus->gps.rfkill);
2179                 rfkill_destroy(asus->gps.rfkill);
2180                 asus->gps.rfkill = NULL;
2181         }
2182         if (asus->uwb.rfkill) {
2183                 rfkill_unregister(asus->uwb.rfkill);
2184                 rfkill_destroy(asus->uwb.rfkill);
2185                 asus->uwb.rfkill = NULL;
2186         }
2187 }
2188
2189 static int asus_wmi_rfkill_init(struct asus_wmi *asus)
2190 {
2191         int result = 0;
2192
2193         mutex_init(&asus->hotplug_lock);
2194         mutex_init(&asus->wmi_lock);
2195
2196         result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
2197                                  RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
2198
2199         if (result && result != -ENODEV)
2200                 goto exit;
2201
2202         result = asus_new_rfkill(asus, &asus->bluetooth,
2203                                  "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
2204                                  ASUS_WMI_DEVID_BLUETOOTH);
2205
2206         if (result && result != -ENODEV)
2207                 goto exit;
2208
2209         result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
2210                                  RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
2211
2212         if (result && result != -ENODEV)
2213                 goto exit;
2214
2215         result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
2216                                  RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
2217
2218         if (result && result != -ENODEV)
2219                 goto exit;
2220
2221         result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
2222                                  RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
2223
2224         if (result && result != -ENODEV)
2225                 goto exit;
2226
2227         result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
2228                                  RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
2229
2230         if (result && result != -ENODEV)
2231                 goto exit;
2232
2233         if (!asus->driver->quirks->hotplug_wireless)
2234                 goto exit;
2235
2236         result = asus_setup_pci_hotplug(asus);
2237         /*
2238          * If we get -EBUSY then something else is handling the PCI hotplug -
2239          * don't fail in this case
2240          */
2241         if (result == -EBUSY)
2242                 result = 0;
2243
2244         asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
2245         asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
2246         asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
2247         /*
2248          * Refresh pci hotplug in case the rfkill state was changed during
2249          * setup.
2250          */
2251         asus_rfkill_hotplug(asus);
2252
2253 exit:
2254         if (result && result != -ENODEV)
2255                 asus_wmi_rfkill_exit(asus);
2256
2257         if (result == -ENODEV)
2258                 result = 0;
2259
2260         return result;
2261 }
2262
2263 /* Panel Overdrive ************************************************************/
2264 static ssize_t panel_od_show(struct device *dev,
2265                                    struct device_attribute *attr, char *buf)
2266 {
2267         struct asus_wmi *asus = dev_get_drvdata(dev);
2268         int result;
2269
2270         result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_PANEL_OD);
2271         if (result < 0)
2272                 return result;
2273
2274         return sysfs_emit(buf, "%d\n", result);
2275 }
2276
2277 static ssize_t panel_od_store(struct device *dev,
2278                                     struct device_attribute *attr,
2279                                     const char *buf, size_t count)
2280 {
2281         int result, err;
2282         u32 overdrive;
2283
2284         struct asus_wmi *asus = dev_get_drvdata(dev);
2285
2286         result = kstrtou32(buf, 10, &overdrive);
2287         if (result)
2288                 return result;
2289
2290         if (overdrive > 1)
2291                 return -EINVAL;
2292
2293         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, overdrive, &result);
2294
2295         if (err) {
2296                 pr_warn("Failed to set panel overdrive: %d\n", err);
2297                 return err;
2298         }
2299
2300         if (result > 1) {
2301                 pr_warn("Failed to set panel overdrive (result): 0x%x\n", result);
2302                 return -EIO;
2303         }
2304
2305         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od");
2306
2307         return count;
2308 }
2309 static DEVICE_ATTR_RW(panel_od);
2310
2311 /* Bootup sound ***************************************************************/
2312
2313 static ssize_t boot_sound_show(struct device *dev,
2314                              struct device_attribute *attr, char *buf)
2315 {
2316         struct asus_wmi *asus = dev_get_drvdata(dev);
2317         int result;
2318
2319         result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BOOT_SOUND);
2320         if (result < 0)
2321                 return result;
2322
2323         return sysfs_emit(buf, "%d\n", result);
2324 }
2325
2326 static ssize_t boot_sound_store(struct device *dev,
2327                               struct device_attribute *attr,
2328                               const char *buf, size_t count)
2329 {
2330         int result, err;
2331         u32 snd;
2332
2333         struct asus_wmi *asus = dev_get_drvdata(dev);
2334
2335         result = kstrtou32(buf, 10, &snd);
2336         if (result)
2337                 return result;
2338
2339         if (snd > 1)
2340                 return -EINVAL;
2341
2342         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BOOT_SOUND, snd, &result);
2343         if (err) {
2344                 pr_warn("Failed to set boot sound: %d\n", err);
2345                 return err;
2346         }
2347
2348         if (result > 1) {
2349                 pr_warn("Failed to set panel boot sound (result): 0x%x\n", result);
2350                 return -EIO;
2351         }
2352
2353         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "boot_sound");
2354
2355         return count;
2356 }
2357 static DEVICE_ATTR_RW(boot_sound);
2358
2359 /* Mini-LED mode **************************************************************/
2360 static ssize_t mini_led_mode_show(struct device *dev,
2361                                    struct device_attribute *attr, char *buf)
2362 {
2363         struct asus_wmi *asus = dev_get_drvdata(dev);
2364         u32 value;
2365         int err;
2366
2367         err = asus_wmi_get_devstate(asus, asus->mini_led_dev_id, &value);
2368         if (err < 0)
2369                 return err;
2370         value = value & ASUS_MINI_LED_MODE_MASK;
2371
2372         /*
2373          * Remap the mode values to match previous generation mini-led. The last gen
2374          * WMI 0 == off, while on this version WMI 2 ==off (flipped).
2375          */
2376         if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2) {
2377                 switch (value) {
2378                 case ASUS_MINI_LED_2024_WEAK:
2379                         value = ASUS_MINI_LED_ON;
2380                         break;
2381                 case ASUS_MINI_LED_2024_STRONG:
2382                         value = ASUS_MINI_LED_STRONG_MODE;
2383                         break;
2384                 case ASUS_MINI_LED_2024_OFF:
2385                         value = ASUS_MINI_LED_OFF;
2386                         break;
2387                 }
2388         }
2389
2390         return sysfs_emit(buf, "%d\n", value);
2391 }
2392
2393 static ssize_t mini_led_mode_store(struct device *dev,
2394                                     struct device_attribute *attr,
2395                                     const char *buf, size_t count)
2396 {
2397         int result, err;
2398         u32 mode;
2399
2400         struct asus_wmi *asus = dev_get_drvdata(dev);
2401
2402         result = kstrtou32(buf, 10, &mode);
2403         if (result)
2404                 return result;
2405
2406         if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE &&
2407             mode > ASUS_MINI_LED_ON)
2408                 return -EINVAL;
2409         if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2 &&
2410             mode > ASUS_MINI_LED_STRONG_MODE)
2411                 return -EINVAL;
2412
2413         /*
2414          * Remap the mode values so expected behaviour is the same as the last
2415          * generation of mini-LED with 0 == off, 1 == on.
2416          */
2417         if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2) {
2418                 switch (mode) {
2419                 case ASUS_MINI_LED_OFF:
2420                         mode = ASUS_MINI_LED_2024_OFF;
2421                         break;
2422                 case ASUS_MINI_LED_ON:
2423                         mode = ASUS_MINI_LED_2024_WEAK;
2424                         break;
2425                 case ASUS_MINI_LED_STRONG_MODE:
2426                         mode = ASUS_MINI_LED_2024_STRONG;
2427                         break;
2428                 }
2429         }
2430
2431         err = asus_wmi_set_devstate(asus->mini_led_dev_id, mode, &result);
2432         if (err) {
2433                 pr_warn("Failed to set mini-LED: %d\n", err);
2434                 return err;
2435         }
2436
2437         if (result > 1) {
2438                 pr_warn("Failed to set mini-LED mode (result): 0x%x\n", result);
2439                 return -EIO;
2440         }
2441
2442         sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mini_led_mode");
2443
2444         return count;
2445 }
2446 static DEVICE_ATTR_RW(mini_led_mode);
2447
2448 static ssize_t available_mini_led_mode_show(struct device *dev,
2449                                   struct device_attribute *attr, char *buf)
2450 {
2451         struct asus_wmi *asus = dev_get_drvdata(dev);
2452
2453         switch (asus->mini_led_dev_id) {
2454         case ASUS_WMI_DEVID_MINI_LED_MODE:
2455                 return sysfs_emit(buf, "0 1\n");
2456         case ASUS_WMI_DEVID_MINI_LED_MODE2:
2457                 return sysfs_emit(buf, "0 1 2\n");
2458         }
2459
2460         return sysfs_emit(buf, "0\n");
2461 }
2462
2463 static DEVICE_ATTR_RO(available_mini_led_mode);
2464
2465 /* Quirks *********************************************************************/
2466
2467 static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
2468 {
2469         struct pci_dev *xhci_pdev;
2470         u32 orig_ports_available;
2471         u32 ports_available = asus->driver->quirks->xusb2pr;
2472
2473         xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
2474                         PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
2475                         NULL);
2476
2477         if (!xhci_pdev)
2478                 return;
2479
2480         pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
2481                                 &orig_ports_available);
2482
2483         pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
2484                                 cpu_to_le32(ports_available));
2485
2486         pci_dev_put(xhci_pdev);
2487
2488         pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
2489                         orig_ports_available, ports_available);
2490 }
2491
2492 /*
2493  * Some devices dont support or have borcken get_als method
2494  * but still support set method.
2495  */
2496 static void asus_wmi_set_als(void)
2497 {
2498         asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
2499 }
2500
2501 /* Hwmon device ***************************************************************/
2502
2503 static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
2504                                           int *speed)
2505 {
2506         struct agfn_fan_args args = {
2507                 .agfn.len = sizeof(args),
2508                 .agfn.mfun = ASUS_FAN_MFUN,
2509                 .agfn.sfun = ASUS_FAN_SFUN_READ,
2510                 .fan = fan,
2511                 .speed = 0,
2512         };
2513         struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
2514         int status;
2515
2516         if (fan != 1)
2517                 return -EINVAL;
2518
2519         status = asus_wmi_evaluate_method_agfn(input);
2520
2521         if (status || args.agfn.err)
2522                 return -ENXIO;
2523
2524         if (speed)
2525                 *speed = args.speed;
2526
2527         return 0;
2528 }
2529
2530 static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
2531                                      int *speed)
2532 {
2533         struct agfn_fan_args args = {
2534                 .agfn.len = sizeof(args),
2535                 .agfn.mfun = ASUS_FAN_MFUN,
2536                 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
2537                 .fan = fan,
2538                 .speed = speed ?  *speed : 0,
2539         };
2540         struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
2541         int status;
2542
2543         /* 1: for setting 1st fan's speed 0: setting auto mode */
2544         if (fan != 1 && fan != 0)
2545                 return -EINVAL;
2546
2547         status = asus_wmi_evaluate_method_agfn(input);
2548
2549         if (status || args.agfn.err)
2550                 return -ENXIO;
2551
2552         if (speed && fan == 1)
2553                 asus->agfn_pwm = *speed;
2554
2555         return 0;
2556 }
2557
2558 /*
2559  * Check if we can read the speed of one fan. If true we assume we can also
2560  * control it.
2561  */
2562 static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus)
2563 {
2564         int status;
2565         int speed;
2566         u32 value;
2567
2568         status = asus_agfn_fan_speed_read(asus, 1, &speed);
2569         if (status != 0)
2570                 return false;
2571
2572         status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
2573         if (status != 0)
2574                 return false;
2575
2576         /*
2577          * We need to find a better way, probably using sfun,
2578          * bits or spec ...
2579          * Currently we disable it if:
2580          * - ASUS_WMI_UNSUPPORTED_METHOD is returned
2581          * - reverved bits are non-zero
2582          * - sfun and presence bit are not set
2583          */
2584         return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
2585                  || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)));
2586 }
2587
2588 static int asus_fan_set_auto(struct asus_wmi *asus)
2589 {
2590         int status;
2591         u32 retval;
2592
2593         switch (asus->fan_type) {
2594         case FAN_TYPE_SPEC83:
2595                 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
2596                                                0, &retval);
2597                 if (status)
2598                         return status;
2599
2600                 if (retval != 1)
2601                         return -EIO;
2602                 break;
2603
2604         case FAN_TYPE_AGFN:
2605                 status = asus_agfn_fan_speed_write(asus, 0, NULL);
2606                 if (status)
2607                         return -ENXIO;
2608                 break;
2609
2610         default:
2611                 return -ENXIO;
2612         }
2613
2614         /*
2615          * Modern models like the G713 also have GPU fan control (this is not AGFN)
2616          */
2617         if (asus->gpu_fan_type == FAN_TYPE_SPEC83) {
2618                 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
2619                                                0, &retval);
2620                 if (status)
2621                         return status;
2622
2623                 if (retval != 1)
2624                         return -EIO;
2625         }
2626
2627         return 0;
2628 }
2629
2630 static ssize_t pwm1_show(struct device *dev,
2631                                struct device_attribute *attr,
2632                                char *buf)
2633 {
2634         struct asus_wmi *asus = dev_get_drvdata(dev);
2635         int err;
2636         int value;
2637
2638         /* If we already set a value then just return it */
2639         if (asus->agfn_pwm >= 0)
2640                 return sysfs_emit(buf, "%d\n", asus->agfn_pwm);
2641
2642         /*
2643          * If we haven't set already set a value through the AGFN interface,
2644          * we read a current value through the (now-deprecated) FAN_CTRL device.
2645          */
2646         err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
2647         if (err < 0)
2648                 return err;
2649
2650         value &= 0xFF;
2651
2652         if (value == 1) /* Low Speed */
2653                 value = 85;
2654         else if (value == 2)
2655                 value = 170;
2656         else if (value == 3)
2657                 value = 255;
2658         else if (value) {
2659                 pr_err("Unknown fan speed %#x\n", value);
2660                 value = -1;
2661         }
2662
2663         return sysfs_emit(buf, "%d\n", value);
2664 }
2665
2666 static ssize_t pwm1_store(struct device *dev,
2667                                      struct device_attribute *attr,
2668                                      const char *buf, size_t count) {
2669         struct asus_wmi *asus = dev_get_drvdata(dev);
2670         int value;
2671         int state;
2672         int ret;
2673
2674         ret = kstrtouint(buf, 10, &value);
2675         if (ret)
2676                 return ret;
2677
2678         value = clamp(value, 0, 255);
2679
2680         state = asus_agfn_fan_speed_write(asus, 1, &value);
2681         if (state)
2682                 pr_warn("Setting fan speed failed: %d\n", state);
2683         else
2684                 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL;
2685
2686         return count;
2687 }
2688
2689 static ssize_t fan1_input_show(struct device *dev,
2690                                         struct device_attribute *attr,
2691                                         char *buf)
2692 {
2693         struct asus_wmi *asus = dev_get_drvdata(dev);
2694         int value;
2695         int ret;
2696
2697         switch (asus->fan_type) {
2698         case FAN_TYPE_SPEC83:
2699                 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL,
2700                                             &value);
2701                 if (ret < 0)
2702                         return ret;
2703
2704                 value &= 0xffff;
2705                 break;
2706
2707         case FAN_TYPE_AGFN:
2708                 /* no speed readable on manual mode */
2709                 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL)
2710                         return -ENXIO;
2711
2712                 ret = asus_agfn_fan_speed_read(asus, 1, &value);
2713                 if (ret) {
2714                         pr_warn("reading fan speed failed: %d\n", ret);
2715                         return -ENXIO;
2716                 }
2717                 break;
2718
2719         default:
2720                 return -ENXIO;
2721         }
2722
2723         return sysfs_emit(buf, "%d\n", value < 0 ? -1 : value * 100);
2724 }
2725
2726 static ssize_t pwm1_enable_show(struct device *dev,
2727                                                  struct device_attribute *attr,
2728                                                  char *buf)
2729 {
2730         struct asus_wmi *asus = dev_get_drvdata(dev);
2731
2732         /*
2733          * Just read back the cached pwm mode.
2734          *
2735          * For the CPU_FAN device, the spec indicates that we should be
2736          * able to read the device status and consult bit 19 to see if we
2737          * are in Full On or Automatic mode. However, this does not work
2738          * in practice on X532FL at least (the bit is always 0) and there's
2739          * also nothing in the DSDT to indicate that this behaviour exists.
2740          */
2741         return sysfs_emit(buf, "%d\n", asus->fan_pwm_mode);
2742 }
2743
2744 static ssize_t pwm1_enable_store(struct device *dev,
2745                                                   struct device_attribute *attr,
2746                                                   const char *buf, size_t count)
2747 {
2748         struct asus_wmi *asus = dev_get_drvdata(dev);
2749         int status = 0;
2750         int state;
2751         int value;
2752         int ret;
2753         u32 retval;
2754
2755         ret = kstrtouint(buf, 10, &state);
2756         if (ret)
2757                 return ret;
2758
2759         if (asus->fan_type == FAN_TYPE_SPEC83) {
2760                 switch (state) { /* standard documented hwmon values */
2761                 case ASUS_FAN_CTRL_FULLSPEED:
2762                         value = 1;
2763                         break;
2764                 case ASUS_FAN_CTRL_AUTO:
2765                         value = 0;
2766                         break;
2767                 default:
2768                         return -EINVAL;
2769                 }
2770
2771                 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
2772                                             value, &retval);
2773                 if (ret)
2774                         return ret;
2775
2776                 if (retval != 1)
2777                         return -EIO;
2778         } else if (asus->fan_type == FAN_TYPE_AGFN) {
2779                 switch (state) {
2780                 case ASUS_FAN_CTRL_MANUAL:
2781                         break;
2782
2783                 case ASUS_FAN_CTRL_AUTO:
2784                         status = asus_fan_set_auto(asus);
2785                         if (status)
2786                                 return status;
2787                         break;
2788
2789                 default:
2790                         return -EINVAL;
2791                 }
2792         }
2793
2794         asus->fan_pwm_mode = state;
2795
2796         /* Must set to disabled if mode is toggled */
2797         if (asus->cpu_fan_curve_available)
2798                 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
2799         if (asus->gpu_fan_curve_available)
2800                 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
2801         if (asus->mid_fan_curve_available)
2802                 asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false;
2803
2804         return count;
2805 }
2806
2807 static ssize_t asus_hwmon_temp1(struct device *dev,
2808                                 struct device_attribute *attr,
2809                                 char *buf)
2810 {
2811         struct asus_wmi *asus = dev_get_drvdata(dev);
2812         u32 value;
2813         int err;
2814
2815         err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
2816         if (err < 0)
2817                 return err;
2818
2819         return sysfs_emit(buf, "%ld\n",
2820                           deci_kelvin_to_millicelsius(value & 0xFFFF));
2821 }
2822
2823 /* GPU fan on modern ROG laptops */
2824 static ssize_t fan2_input_show(struct device *dev,
2825                                         struct device_attribute *attr,
2826                                         char *buf)
2827 {
2828         struct asus_wmi *asus = dev_get_drvdata(dev);
2829         int value;
2830         int ret;
2831
2832         ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL, &value);
2833         if (ret < 0)
2834                 return ret;
2835
2836         value &= 0xffff;
2837
2838         return sysfs_emit(buf, "%d\n", value * 100);
2839 }
2840
2841 /* Middle/Center fan on modern ROG laptops */
2842 static ssize_t fan3_input_show(struct device *dev,
2843                                         struct device_attribute *attr,
2844                                         char *buf)
2845 {
2846         struct asus_wmi *asus = dev_get_drvdata(dev);
2847         int value;
2848         int ret;
2849
2850         ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_MID_FAN_CTRL, &value);
2851         if (ret < 0)
2852                 return ret;
2853
2854         value &= 0xffff;
2855
2856         return sysfs_emit(buf, "%d\n", value * 100);
2857 }
2858
2859 static ssize_t pwm2_enable_show(struct device *dev,
2860                                 struct device_attribute *attr,
2861                                 char *buf)
2862 {
2863         struct asus_wmi *asus = dev_get_drvdata(dev);
2864
2865         return sysfs_emit(buf, "%d\n", asus->gpu_fan_pwm_mode);
2866 }
2867
2868 static ssize_t pwm2_enable_store(struct device *dev,
2869                                  struct device_attribute *attr,
2870                                  const char *buf, size_t count)
2871 {
2872         struct asus_wmi *asus = dev_get_drvdata(dev);
2873         int state;
2874         int value;
2875         int ret;
2876         u32 retval;
2877
2878         ret = kstrtouint(buf, 10, &state);
2879         if (ret)
2880                 return ret;
2881
2882         switch (state) { /* standard documented hwmon values */
2883         case ASUS_FAN_CTRL_FULLSPEED:
2884                 value = 1;
2885                 break;
2886         case ASUS_FAN_CTRL_AUTO:
2887                 value = 0;
2888                 break;
2889         default:
2890                 return -EINVAL;
2891         }
2892
2893         ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
2894                                     value, &retval);
2895         if (ret)
2896                 return ret;
2897
2898         if (retval != 1)
2899                 return -EIO;
2900
2901         asus->gpu_fan_pwm_mode = state;
2902         return count;
2903 }
2904
2905 static ssize_t pwm3_enable_show(struct device *dev,
2906                                 struct device_attribute *attr,
2907                                 char *buf)
2908 {
2909         struct asus_wmi *asus = dev_get_drvdata(dev);
2910
2911         return sysfs_emit(buf, "%d\n", asus->mid_fan_pwm_mode);
2912 }
2913
2914 static ssize_t pwm3_enable_store(struct device *dev,
2915                                  struct device_attribute *attr,
2916                                  const char *buf, size_t count)
2917 {
2918         struct asus_wmi *asus = dev_get_drvdata(dev);
2919         int state;
2920         int value;
2921         int ret;
2922         u32 retval;
2923
2924         ret = kstrtouint(buf, 10, &state);
2925         if (ret)
2926                 return ret;
2927
2928         switch (state) { /* standard documented hwmon values */
2929         case ASUS_FAN_CTRL_FULLSPEED:
2930                 value = 1;
2931                 break;
2932         case ASUS_FAN_CTRL_AUTO:
2933                 value = 0;
2934                 break;
2935         default:
2936                 return -EINVAL;
2937         }
2938
2939         ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_MID_FAN_CTRL,
2940                                     value, &retval);
2941         if (ret)
2942                 return ret;
2943
2944         if (retval != 1)
2945                 return -EIO;
2946
2947         asus->mid_fan_pwm_mode = state;
2948         return count;
2949 }
2950
2951 /* Fan1 */
2952 static DEVICE_ATTR_RW(pwm1);
2953 static DEVICE_ATTR_RW(pwm1_enable);
2954 static DEVICE_ATTR_RO(fan1_input);
2955 static DEVICE_STRING_ATTR_RO(fan1_label, 0444, ASUS_FAN_DESC);
2956
2957 /* Fan2 - GPU fan */
2958 static DEVICE_ATTR_RW(pwm2_enable);
2959 static DEVICE_ATTR_RO(fan2_input);
2960 static DEVICE_STRING_ATTR_RO(fan2_label, 0444, ASUS_GPU_FAN_DESC);
2961 /* Fan3 - Middle/center fan */
2962 static DEVICE_ATTR_RW(pwm3_enable);
2963 static DEVICE_ATTR_RO(fan3_input);
2964 static DEVICE_STRING_ATTR_RO(fan3_label, 0444, ASUS_MID_FAN_DESC);
2965
2966 /* Temperature */
2967 static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
2968
2969 static struct attribute *hwmon_attributes[] = {
2970         &dev_attr_pwm1.attr,
2971         &dev_attr_pwm1_enable.attr,
2972         &dev_attr_pwm2_enable.attr,
2973         &dev_attr_pwm3_enable.attr,
2974         &dev_attr_fan1_input.attr,
2975         &dev_attr_fan1_label.attr.attr,
2976         &dev_attr_fan2_input.attr,
2977         &dev_attr_fan2_label.attr.attr,
2978         &dev_attr_fan3_input.attr,
2979         &dev_attr_fan3_label.attr.attr,
2980
2981         &dev_attr_temp1_input.attr,
2982         NULL
2983 };
2984
2985 static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
2986                                           struct attribute *attr, int idx)
2987 {
2988         struct device *dev = kobj_to_dev(kobj);
2989         struct asus_wmi *asus = dev_get_drvdata(dev->parent);
2990         u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
2991
2992         if (attr == &dev_attr_pwm1.attr) {
2993                 if (asus->fan_type != FAN_TYPE_AGFN)
2994                         return 0;
2995         } else if (attr == &dev_attr_fan1_input.attr
2996             || attr == &dev_attr_fan1_label.attr.attr
2997             || attr == &dev_attr_pwm1_enable.attr) {
2998                 if (asus->fan_type == FAN_TYPE_NONE)
2999                         return 0;
3000         } else if (attr == &dev_attr_fan2_input.attr
3001             || attr == &dev_attr_fan2_label.attr.attr
3002             || attr == &dev_attr_pwm2_enable.attr) {
3003                 if (asus->gpu_fan_type == FAN_TYPE_NONE)
3004                         return 0;
3005         } else if (attr == &dev_attr_fan3_input.attr
3006             || attr == &dev_attr_fan3_label.attr.attr
3007             || attr == &dev_attr_pwm3_enable.attr) {
3008                 if (asus->mid_fan_type == FAN_TYPE_NONE)
3009                         return 0;
3010         } else if (attr == &dev_attr_temp1_input.attr) {
3011                 int err = asus_wmi_get_devstate(asus,
3012                                                 ASUS_WMI_DEVID_THERMAL_CTRL,
3013                                                 &value);
3014
3015                 if (err < 0)
3016                         return 0; /* can't return negative here */
3017
3018                 /*
3019                  * If the temperature value in deci-Kelvin is near the absolute
3020                  * zero temperature, something is clearly wrong
3021                  */
3022                 if (value == 0 || value == 1)
3023                         return 0;
3024         }
3025
3026         return attr->mode;
3027 }
3028
3029 static const struct attribute_group hwmon_attribute_group = {
3030         .is_visible = asus_hwmon_sysfs_is_visible,
3031         .attrs = hwmon_attributes
3032 };
3033 __ATTRIBUTE_GROUPS(hwmon_attribute);
3034
3035 static int asus_wmi_hwmon_init(struct asus_wmi *asus)
3036 {
3037         struct device *dev = &asus->platform_device->dev;
3038         struct device *hwmon;
3039
3040         hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
3041                         hwmon_attribute_groups);
3042
3043         if (IS_ERR(hwmon)) {
3044                 pr_err("Could not register asus hwmon device\n");
3045                 return PTR_ERR(hwmon);
3046         }
3047         return 0;
3048 }
3049
3050 static int asus_wmi_fan_init(struct asus_wmi *asus)
3051 {
3052         asus->gpu_fan_type = FAN_TYPE_NONE;
3053         asus->mid_fan_type = FAN_TYPE_NONE;
3054         asus->fan_type = FAN_TYPE_NONE;
3055         asus->agfn_pwm = -1;
3056
3057         if (asus->driver->quirks->wmi_ignore_fan)
3058                 asus->fan_type = FAN_TYPE_NONE;
3059         else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
3060                 asus->fan_type = FAN_TYPE_SPEC83;
3061         else if (asus_wmi_has_agfn_fan(asus))
3062                 asus->fan_type = FAN_TYPE_AGFN;
3063
3064         /*  Modern models like G713 also have GPU fan control */
3065         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL))
3066                 asus->gpu_fan_type = FAN_TYPE_SPEC83;
3067
3068         /* Some models also have a center/middle fan */
3069         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MID_FAN_CTRL))
3070                 asus->mid_fan_type = FAN_TYPE_SPEC83;
3071
3072         if (asus->fan_type == FAN_TYPE_NONE)
3073                 return -ENODEV;
3074
3075         asus_fan_set_auto(asus);
3076         asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO;
3077         return 0;
3078 }
3079
3080 /* Fan mode *******************************************************************/
3081
3082 static int fan_boost_mode_check_present(struct asus_wmi *asus)
3083 {
3084         u32 result;
3085         int err;
3086
3087         asus->fan_boost_mode_available = false;
3088
3089         err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
3090                                     &result);
3091         if (err) {
3092                 if (err == -ENODEV)
3093                         return 0;
3094                 else
3095                         return err;
3096         }
3097
3098         if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
3099                         (result & ASUS_FAN_BOOST_MODES_MASK)) {
3100                 asus->fan_boost_mode_available = true;
3101                 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
3102         }
3103
3104         return 0;
3105 }
3106
3107 static int fan_boost_mode_write(struct asus_wmi *asus)
3108 {
3109         u32 retval;
3110         u8 value;
3111         int err;
3112
3113         value = asus->fan_boost_mode;
3114
3115         pr_info("Set fan boost mode: %u\n", value);
3116         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
3117                                     &retval);
3118
3119         sysfs_notify(&asus->platform_device->dev.kobj, NULL,
3120                         "fan_boost_mode");
3121
3122         if (err) {
3123                 pr_warn("Failed to set fan boost mode: %d\n", err);
3124                 return err;
3125         }
3126
3127         if (retval != 1) {
3128                 pr_warn("Failed to set fan boost mode (retval): 0x%x\n",
3129                         retval);
3130                 return -EIO;
3131         }
3132
3133         return 0;
3134 }
3135
3136 static int fan_boost_mode_switch_next(struct asus_wmi *asus)
3137 {
3138         u8 mask = asus->fan_boost_mode_mask;
3139
3140         if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) {
3141                 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)
3142                         asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST;
3143                 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
3144                         asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
3145         } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
3146                 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
3147                         asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
3148                 else
3149                         asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
3150         } else {
3151                 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
3152         }
3153
3154         return fan_boost_mode_write(asus);
3155 }
3156
3157 static ssize_t fan_boost_mode_show(struct device *dev,
3158                                    struct device_attribute *attr, char *buf)
3159 {
3160         struct asus_wmi *asus = dev_get_drvdata(dev);
3161
3162         return sysfs_emit(buf, "%d\n", asus->fan_boost_mode);
3163 }
3164
3165 static ssize_t fan_boost_mode_store(struct device *dev,
3166                                     struct device_attribute *attr,
3167                                     const char *buf, size_t count)
3168 {
3169         struct asus_wmi *asus = dev_get_drvdata(dev);
3170         u8 mask = asus->fan_boost_mode_mask;
3171         u8 new_mode;
3172         int result;
3173
3174         result = kstrtou8(buf, 10, &new_mode);
3175         if (result < 0) {
3176                 pr_warn("Trying to store invalid value\n");
3177                 return result;
3178         }
3179
3180         if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
3181                 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK))
3182                         return -EINVAL;
3183         } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) {
3184                 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK))
3185                         return -EINVAL;
3186         } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) {
3187                 return -EINVAL;
3188         }
3189
3190         asus->fan_boost_mode = new_mode;
3191         fan_boost_mode_write(asus);
3192
3193         return count;
3194 }
3195
3196 // Fan boost mode: 0 - normal, 1 - overboost, 2 - silent
3197 static DEVICE_ATTR_RW(fan_boost_mode);
3198
3199 /* Custom fan curves **********************************************************/
3200
3201 static void fan_curve_copy_from_buf(struct fan_curve_data *data, u8 *buf)
3202 {
3203         int i;
3204
3205         for (i = 0; i < FAN_CURVE_POINTS; i++) {
3206                 data->temps[i] = buf[i];
3207         }
3208
3209         for (i = 0; i < FAN_CURVE_POINTS; i++) {
3210                 data->percents[i] =
3211                         255 * buf[i + FAN_CURVE_POINTS] / 100;
3212         }
3213 }
3214
3215 static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev)
3216 {
3217         struct fan_curve_data *curves;
3218         u8 buf[FAN_CURVE_BUF_LEN];
3219         int err, fan_idx;
3220         u8 mode = 0;
3221
3222         if (asus->throttle_thermal_policy_dev)
3223                 mode = asus->throttle_thermal_policy_mode;
3224         /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */
3225         if (mode == 2)
3226                 mode = 1;
3227         else if (mode == 1)
3228                 mode = 2;
3229
3230         err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf,
3231                                            FAN_CURVE_BUF_LEN);
3232         if (err) {
3233                 pr_warn("%s (0x%08x) failed: %d\n", __func__, fan_dev, err);
3234                 return err;
3235         }
3236
3237         fan_idx = FAN_CURVE_DEV_CPU;
3238         if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE)
3239                 fan_idx = FAN_CURVE_DEV_GPU;
3240
3241         if (fan_dev == ASUS_WMI_DEVID_MID_FAN_CURVE)
3242                 fan_idx = FAN_CURVE_DEV_MID;
3243
3244         curves = &asus->custom_fan_curves[fan_idx];
3245         curves->device_id = fan_dev;
3246
3247         fan_curve_copy_from_buf(curves, buf);
3248         return 0;
3249 }
3250
3251 /* Check if capability exists, and populate defaults */
3252 static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
3253                                    u32 fan_dev)
3254 {
3255         int err;
3256
3257         *available = false;
3258
3259         if (asus->fan_type == FAN_TYPE_NONE)
3260                 return 0;
3261
3262         err = fan_curve_get_factory_default(asus, fan_dev);
3263         if (err) {
3264                 return 0;
3265         }
3266
3267         *available = true;
3268         return 0;
3269 }
3270
3271 /* Determine which fan the attribute is for if SENSOR_ATTR */
3272 static struct fan_curve_data *fan_curve_attr_select(struct asus_wmi *asus,
3273                                               struct device_attribute *attr)
3274 {
3275         int index = to_sensor_dev_attr(attr)->index;
3276
3277         return &asus->custom_fan_curves[index];
3278 }
3279
3280 /* Determine which fan the attribute is for if SENSOR_ATTR_2 */
3281 static struct fan_curve_data *fan_curve_attr_2_select(struct asus_wmi *asus,
3282                                             struct device_attribute *attr)
3283 {
3284         int nr = to_sensor_dev_attr_2(attr)->nr;
3285
3286         return &asus->custom_fan_curves[nr & ~FAN_CURVE_PWM_MASK];
3287 }
3288
3289 static ssize_t fan_curve_show(struct device *dev,
3290                               struct device_attribute *attr, char *buf)
3291 {
3292         struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
3293         struct asus_wmi *asus = dev_get_drvdata(dev);
3294         struct fan_curve_data *data;
3295         int value, pwm, index;
3296
3297         data = fan_curve_attr_2_select(asus, attr);
3298         pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
3299         index = dev_attr->index;
3300
3301         if (pwm)
3302                 value = data->percents[index];
3303         else
3304                 value = data->temps[index];
3305
3306         return sysfs_emit(buf, "%d\n", value);
3307 }
3308
3309 /*
3310  * "fan_dev" is the related WMI method such as ASUS_WMI_DEVID_CPU_FAN_CURVE.
3311  */
3312 static int fan_curve_write(struct asus_wmi *asus,
3313                            struct fan_curve_data *data)
3314 {
3315         u32 arg1 = 0, arg2 = 0, arg3 = 0, arg4 = 0;
3316         u8 *percents = data->percents;
3317         u8 *temps = data->temps;
3318         int ret, i, shift = 0;
3319
3320         if (!data->enabled)
3321                 return 0;
3322
3323         for (i = 0; i < FAN_CURVE_POINTS / 2; i++) {
3324                 arg1 += (temps[i]) << shift;
3325                 arg2 += (temps[i + 4]) << shift;
3326                 /* Scale to percentage for device */
3327                 arg3 += (100 * percents[i] / 255) << shift;
3328                 arg4 += (100 * percents[i + 4] / 255) << shift;
3329                 shift += 8;
3330         }
3331
3332         return asus_wmi_evaluate_method5(ASUS_WMI_METHODID_DEVS,
3333                                          data->device_id,
3334                                          arg1, arg2, arg3, arg4, &ret);
3335 }
3336
3337 static ssize_t fan_curve_store(struct device *dev,
3338                                struct device_attribute *attr, const char *buf,
3339                                size_t count)
3340 {
3341         struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
3342         struct asus_wmi *asus = dev_get_drvdata(dev);
3343         struct fan_curve_data *data;
3344         int err, pwm, index;
3345         u8 value;
3346
3347         data = fan_curve_attr_2_select(asus, attr);
3348         pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
3349         index = dev_attr->index;
3350
3351         err = kstrtou8(buf, 10, &value);
3352         if (err < 0)
3353                 return err;
3354
3355         if (pwm)
3356                 data->percents[index] = value;
3357         else
3358                 data->temps[index] = value;
3359
3360         /*
3361          * Mark as disabled so the user has to explicitly enable to apply a
3362          * changed fan curve. This prevents potential lockups from writing out
3363          * many changes as one-write-per-change.
3364          */
3365         data->enabled = false;
3366
3367         return count;
3368 }
3369
3370 static ssize_t fan_curve_enable_show(struct device *dev,
3371                                      struct device_attribute *attr, char *buf)
3372 {
3373         struct asus_wmi *asus = dev_get_drvdata(dev);
3374         struct fan_curve_data *data;
3375         int out = 2;
3376
3377         data = fan_curve_attr_select(asus, attr);
3378
3379         if (data->enabled)
3380                 out = 1;
3381
3382         return sysfs_emit(buf, "%d\n", out);
3383 }
3384
3385 static ssize_t fan_curve_enable_store(struct device *dev,
3386                                       struct device_attribute *attr,
3387                                       const char *buf, size_t count)
3388 {
3389         struct asus_wmi *asus = dev_get_drvdata(dev);
3390         struct fan_curve_data *data;
3391         int value, err;
3392
3393         data = fan_curve_attr_select(asus, attr);
3394
3395         err = kstrtoint(buf, 10, &value);
3396         if (err < 0)
3397                 return err;
3398
3399         switch (value) {
3400         case 1:
3401                 data->enabled = true;
3402                 break;
3403         case 2:
3404                 data->enabled = false;
3405                 break;
3406         /*
3407          * Auto + reset the fan curve data to defaults. Make it an explicit
3408          * option so that users don't accidentally overwrite a set fan curve.
3409          */
3410         case 3:
3411                 err = fan_curve_get_factory_default(asus, data->device_id);
3412                 if (err)
3413                         return err;
3414                 data->enabled = false;
3415                 break;
3416         default:
3417                 return -EINVAL;
3418         }
3419
3420         if (data->enabled) {
3421                 err = fan_curve_write(asus, data);
3422                 if (err)
3423                         return err;
3424         } else {
3425                 /*
3426                  * For machines with throttle this is the only way to reset fans
3427                  * to default mode of operation (does not erase curve data).
3428                  */
3429                 if (asus->throttle_thermal_policy_dev) {
3430                         err = throttle_thermal_policy_write(asus);
3431                         if (err)
3432                                 return err;
3433                 /* Similar is true for laptops with this fan */
3434                 } else if (asus->fan_type == FAN_TYPE_SPEC83) {
3435                         err = asus_fan_set_auto(asus);
3436                         if (err)
3437                                 return err;
3438                 } else {
3439                         /* Safeguard against fautly ACPI tables */
3440                         err = fan_curve_get_factory_default(asus, data->device_id);
3441                         if (err)
3442                                 return err;
3443                         err = fan_curve_write(asus, data);
3444                         if (err)
3445                                 return err;
3446                 }
3447         }
3448         return count;
3449 }
3450
3451 /* CPU */
3452 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, fan_curve_enable, FAN_CURVE_DEV_CPU);
3453 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_temp, fan_curve,
3454                                FAN_CURVE_DEV_CPU, 0);
3455 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_temp, fan_curve,
3456                                FAN_CURVE_DEV_CPU, 1);
3457 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_temp, fan_curve,
3458                                FAN_CURVE_DEV_CPU, 2);
3459 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_temp, fan_curve,
3460                                FAN_CURVE_DEV_CPU, 3);
3461 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_temp, fan_curve,
3462                                FAN_CURVE_DEV_CPU, 4);
3463 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_temp, fan_curve,
3464                                FAN_CURVE_DEV_CPU, 5);
3465 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_temp, fan_curve,
3466                                FAN_CURVE_DEV_CPU, 6);
3467 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_temp, fan_curve,
3468                                FAN_CURVE_DEV_CPU, 7);
3469
3470 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_pwm, fan_curve,
3471                                 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 0);
3472 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_pwm, fan_curve,
3473                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 1);
3474 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_pwm, fan_curve,
3475                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 2);
3476 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_pwm, fan_curve,
3477                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 3);
3478 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_pwm, fan_curve,
3479                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 4);
3480 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_pwm, fan_curve,
3481                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 5);
3482 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_pwm, fan_curve,
3483                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 6);
3484 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_pwm, fan_curve,
3485                                FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 7);
3486
3487 /* GPU */
3488 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, fan_curve_enable, FAN_CURVE_DEV_GPU);
3489 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_temp, fan_curve,
3490                                FAN_CURVE_DEV_GPU, 0);
3491 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_temp, fan_curve,
3492                                FAN_CURVE_DEV_GPU, 1);
3493 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_temp, fan_curve,
3494                                FAN_CURVE_DEV_GPU, 2);
3495 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_temp, fan_curve,
3496                                FAN_CURVE_DEV_GPU, 3);
3497 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_temp, fan_curve,
3498                                FAN_CURVE_DEV_GPU, 4);
3499 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_temp, fan_curve,
3500                                FAN_CURVE_DEV_GPU, 5);
3501 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_temp, fan_curve,
3502                                FAN_CURVE_DEV_GPU, 6);
3503 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_temp, fan_curve,
3504                                FAN_CURVE_DEV_GPU, 7);
3505
3506 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_pwm, fan_curve,
3507                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0);
3508 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_pwm, fan_curve,
3509                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1);
3510 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_pwm, fan_curve,
3511                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2);
3512 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_pwm, fan_curve,
3513                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3);
3514 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_pwm, fan_curve,
3515                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4);
3516 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_pwm, fan_curve,
3517                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5);
3518 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve,
3519                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6);
3520 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve,
3521                                FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
3522
3523 /* MID */
3524 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, fan_curve_enable, FAN_CURVE_DEV_MID);
3525 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_temp, fan_curve,
3526                                FAN_CURVE_DEV_MID, 0);
3527 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_temp, fan_curve,
3528                                FAN_CURVE_DEV_MID, 1);
3529 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_temp, fan_curve,
3530                                FAN_CURVE_DEV_MID, 2);
3531 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_temp, fan_curve,
3532                                FAN_CURVE_DEV_MID, 3);
3533 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_temp, fan_curve,
3534                                FAN_CURVE_DEV_MID, 4);
3535 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_temp, fan_curve,
3536                                FAN_CURVE_DEV_MID, 5);
3537 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_temp, fan_curve,
3538                                FAN_CURVE_DEV_MID, 6);
3539 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_temp, fan_curve,
3540                                FAN_CURVE_DEV_MID, 7);
3541
3542 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_pwm, fan_curve,
3543                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 0);
3544 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_pwm, fan_curve,
3545                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 1);
3546 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_pwm, fan_curve,
3547                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 2);
3548 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_pwm, fan_curve,
3549                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 3);
3550 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_pwm, fan_curve,
3551                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 4);
3552 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_pwm, fan_curve,
3553                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 5);
3554 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_pwm, fan_curve,
3555                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 6);
3556 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_pwm, fan_curve,
3557                                FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 7);
3558
3559 static struct attribute *asus_fan_curve_attr[] = {
3560         /* CPU */
3561         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
3562         &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
3563         &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
3564         &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
3565         &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
3566         &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
3567         &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
3568         &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
3569         &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
3570         &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
3571         &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
3572         &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
3573         &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
3574         &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
3575         &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
3576         &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
3577         &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
3578         /* GPU */
3579         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
3580         &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
3581         &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
3582         &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
3583         &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
3584         &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr,
3585         &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr,
3586         &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr,
3587         &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr,
3588         &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
3589         &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
3590         &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
3591         &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
3592         &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr,
3593         &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
3594         &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
3595         &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
3596         /* MID */
3597         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
3598         &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
3599         &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
3600         &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
3601         &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
3602         &sensor_dev_attr_pwm3_auto_point5_temp.dev_attr.attr,
3603         &sensor_dev_attr_pwm3_auto_point6_temp.dev_attr.attr,
3604         &sensor_dev_attr_pwm3_auto_point7_temp.dev_attr.attr,
3605         &sensor_dev_attr_pwm3_auto_point8_temp.dev_attr.attr,
3606         &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
3607         &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
3608         &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
3609         &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
3610         &sensor_dev_attr_pwm3_auto_point5_pwm.dev_attr.attr,
3611         &sensor_dev_attr_pwm3_auto_point6_pwm.dev_attr.attr,
3612         &sensor_dev_attr_pwm3_auto_point7_pwm.dev_attr.attr,
3613         &sensor_dev_attr_pwm3_auto_point8_pwm.dev_attr.attr,
3614         NULL
3615 };
3616
3617 static umode_t asus_fan_curve_is_visible(struct kobject *kobj,
3618                                          struct attribute *attr, int idx)
3619 {
3620         struct device *dev = kobj_to_dev(kobj);
3621         struct asus_wmi *asus = dev_get_drvdata(dev->parent);
3622
3623         /*
3624          * Check the char instead of casting attr as there are two attr types
3625          * involved here (attr1 and attr2)
3626          */
3627         if (asus->cpu_fan_curve_available && attr->name[3] == '1')
3628                 return 0644;
3629
3630         if (asus->gpu_fan_curve_available && attr->name[3] == '2')
3631                 return 0644;
3632
3633         if (asus->mid_fan_curve_available && attr->name[3] == '3')
3634                 return 0644;
3635
3636         return 0;
3637 }
3638
3639 static const struct attribute_group asus_fan_curve_attr_group = {
3640         .is_visible = asus_fan_curve_is_visible,
3641         .attrs = asus_fan_curve_attr,
3642 };
3643 __ATTRIBUTE_GROUPS(asus_fan_curve_attr);
3644
3645 /*
3646  * Must be initialised after throttle_thermal_policy_dev is set as
3647  * we check the status of throttle_thermal_policy_dev during init.
3648  */
3649 static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
3650 {
3651         struct device *dev = &asus->platform_device->dev;
3652         struct device *hwmon;
3653         int err;
3654
3655         err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available,
3656                                       ASUS_WMI_DEVID_CPU_FAN_CURVE);
3657         if (err) {
3658                 pr_debug("%s, checked 0x%08x, failed: %d\n",
3659                         __func__, ASUS_WMI_DEVID_CPU_FAN_CURVE, err);
3660                 return err;
3661         }
3662
3663         err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available,
3664                                       ASUS_WMI_DEVID_GPU_FAN_CURVE);
3665         if (err) {
3666                 pr_debug("%s, checked 0x%08x, failed: %d\n",
3667                         __func__, ASUS_WMI_DEVID_GPU_FAN_CURVE, err);
3668                 return err;
3669         }
3670
3671         err = fan_curve_check_present(asus, &asus->mid_fan_curve_available,
3672                                       ASUS_WMI_DEVID_MID_FAN_CURVE);
3673         if (err) {
3674                 pr_debug("%s, checked 0x%08x, failed: %d\n",
3675                         __func__, ASUS_WMI_DEVID_MID_FAN_CURVE, err);
3676                 return err;
3677         }
3678
3679         if (!asus->cpu_fan_curve_available
3680                 && !asus->gpu_fan_curve_available
3681                 && !asus->mid_fan_curve_available)
3682                 return 0;
3683
3684         hwmon = devm_hwmon_device_register_with_groups(
3685                 dev, "asus_custom_fan_curve", asus, asus_fan_curve_attr_groups);
3686
3687         if (IS_ERR(hwmon)) {
3688                 dev_err(dev,
3689                         "Could not register asus_custom_fan_curve device\n");
3690                 return PTR_ERR(hwmon);
3691         }
3692
3693         return 0;
3694 }
3695
3696 /* Throttle thermal policy ****************************************************/
3697 static int throttle_thermal_policy_write(struct asus_wmi *asus)
3698 {
3699         u8 value;
3700         int err;
3701
3702         if (asus->throttle_thermal_policy_dev == ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO) {
3703                 switch (asus->throttle_thermal_policy_mode) {
3704                 case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT:
3705                         value = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT_VIVO;
3706                         break;
3707                 case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST:
3708                         value = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST_VIVO;
3709                         break;
3710                 case ASUS_THROTTLE_THERMAL_POLICY_SILENT:
3711                         value = ASUS_THROTTLE_THERMAL_POLICY_SILENT_VIVO;
3712                         break;
3713                 default:
3714                         return -EINVAL;
3715                 }
3716         } else {
3717                 value = asus->throttle_thermal_policy_mode;
3718         }
3719
3720         /* Some machines do not return an error code as a result, so we ignore it */
3721         err = asus_wmi_set_devstate(asus->throttle_thermal_policy_dev, value, NULL);
3722
3723         sysfs_notify(&asus->platform_device->dev.kobj, NULL,
3724                         "throttle_thermal_policy");
3725
3726         if (err) {
3727                 pr_warn("Failed to set throttle thermal policy: %d\n", err);
3728                 return err;
3729         }
3730
3731         /* Must set to disabled if mode is toggled */
3732         if (asus->cpu_fan_curve_available)
3733                 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
3734         if (asus->gpu_fan_curve_available)
3735                 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
3736         if (asus->mid_fan_curve_available)
3737                 asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false;
3738
3739         return 0;
3740 }
3741
3742 static int throttle_thermal_policy_set_default(struct asus_wmi *asus)
3743 {
3744         if (!asus->throttle_thermal_policy_dev)
3745                 return 0;
3746
3747         asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
3748         return throttle_thermal_policy_write(asus);
3749 }
3750
3751 static ssize_t throttle_thermal_policy_show(struct device *dev,
3752                                    struct device_attribute *attr, char *buf)
3753 {
3754         struct asus_wmi *asus = dev_get_drvdata(dev);
3755         u8 mode = asus->throttle_thermal_policy_mode;
3756
3757         return sysfs_emit(buf, "%d\n", mode);
3758 }
3759
3760 static ssize_t throttle_thermal_policy_store(struct device *dev,
3761                                     struct device_attribute *attr,
3762                                     const char *buf, size_t count)
3763 {
3764         struct asus_wmi *asus = dev_get_drvdata(dev);
3765         u8 new_mode;
3766         int result;
3767         int err;
3768
3769         result = kstrtou8(buf, 10, &new_mode);
3770         if (result < 0)
3771                 return result;
3772
3773         if (new_mode > PLATFORM_PROFILE_MAX)
3774                 return -EINVAL;
3775
3776         asus->throttle_thermal_policy_mode = new_mode;
3777         err = throttle_thermal_policy_write(asus);
3778         if (err)
3779                 return err;
3780
3781         /*
3782          * Ensure that platform_profile updates userspace with the change to ensure
3783          * that platform_profile and throttle_thermal_policy_mode are in sync.
3784          */
3785         platform_profile_notify(asus->ppdev);
3786
3787         return count;
3788 }
3789
3790 /*
3791  * Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent
3792  */
3793 static DEVICE_ATTR_RW(throttle_thermal_policy);
3794
3795 /* Platform profile ***********************************************************/
3796 static int asus_wmi_platform_profile_get(struct device *dev,
3797                                         enum platform_profile_option *profile)
3798 {
3799         struct asus_wmi *asus;
3800         int tp;
3801
3802         asus = dev_get_drvdata(dev);
3803         tp = asus->throttle_thermal_policy_mode;
3804
3805         switch (tp) {
3806         case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT:
3807                 *profile = PLATFORM_PROFILE_BALANCED;
3808                 break;
3809         case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST:
3810                 *profile = PLATFORM_PROFILE_PERFORMANCE;
3811                 break;
3812         case ASUS_THROTTLE_THERMAL_POLICY_SILENT:
3813                 *profile = PLATFORM_PROFILE_QUIET;
3814                 break;
3815         default:
3816                 return -EINVAL;
3817         }
3818
3819         return 0;
3820 }
3821
3822 static int asus_wmi_platform_profile_set(struct device *dev,
3823                                         enum platform_profile_option profile)
3824 {
3825         struct asus_wmi *asus;
3826         int tp;
3827
3828         asus = dev_get_drvdata(dev);
3829
3830         switch (profile) {
3831         case PLATFORM_PROFILE_PERFORMANCE:
3832                 tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST;
3833                 break;
3834         case PLATFORM_PROFILE_BALANCED:
3835                 tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
3836                 break;
3837         case PLATFORM_PROFILE_QUIET:
3838                 tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT;
3839                 break;
3840         default:
3841                 return -EOPNOTSUPP;
3842         }
3843
3844         asus->throttle_thermal_policy_mode = tp;
3845         return throttle_thermal_policy_write(asus);
3846 }
3847
3848 static int asus_wmi_platform_profile_probe(void *drvdata, unsigned long *choices)
3849 {
3850         set_bit(PLATFORM_PROFILE_QUIET, choices);
3851         set_bit(PLATFORM_PROFILE_BALANCED, choices);
3852         set_bit(PLATFORM_PROFILE_PERFORMANCE, choices);
3853
3854         return 0;
3855 }
3856
3857 static const struct platform_profile_ops asus_wmi_platform_profile_ops = {
3858         .probe = asus_wmi_platform_profile_probe,
3859         .profile_get = asus_wmi_platform_profile_get,
3860         .profile_set = asus_wmi_platform_profile_set,
3861 };
3862
3863 static int platform_profile_setup(struct asus_wmi *asus)
3864 {
3865         struct device *dev = &asus->platform_device->dev;
3866         int err;
3867
3868         /*
3869          * Not an error if a component platform_profile relies on is unavailable
3870          * so early return, skipping the setup of platform_profile.
3871          */
3872         if (!asus->throttle_thermal_policy_dev)
3873                 return 0;
3874
3875         /*
3876          * We need to set the default thermal profile during probe or otherwise
3877          * the system will often remain in silent mode, causing low performance.
3878          */
3879         err = throttle_thermal_policy_set_default(asus);
3880         if (err < 0) {
3881                 pr_warn("Failed to set default thermal profile\n");
3882                 return err;
3883         }
3884
3885         dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n");
3886
3887         asus->ppdev = devm_platform_profile_register(dev, "asus-wmi", asus,
3888                                                      &asus_wmi_platform_profile_ops);
3889         if (IS_ERR(asus->ppdev)) {
3890                 dev_err(dev, "Failed to register a platform_profile class device\n");
3891                 return PTR_ERR(asus->ppdev);
3892         }
3893
3894         asus->platform_profile_support = true;
3895         return 0;
3896 }
3897
3898 /* Backlight ******************************************************************/
3899
3900 static int read_backlight_power(struct asus_wmi *asus)
3901 {
3902         int ret;
3903
3904         if (asus->driver->quirks->store_backlight_power)
3905                 ret = !asus->driver->panel_power;
3906         else
3907                 ret = asus_wmi_get_devstate_simple(asus,
3908                                                    ASUS_WMI_DEVID_BACKLIGHT);
3909
3910         if (ret < 0)
3911                 return ret;
3912
3913         return ret ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF;
3914 }
3915
3916 static int read_brightness_max(struct asus_wmi *asus)
3917 {
3918         u32 retval;
3919         int err;
3920
3921         err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3922         if (err < 0)
3923                 return err;
3924
3925         retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
3926         retval >>= 8;
3927
3928         if (!retval)
3929                 return -ENODEV;
3930
3931         return retval;
3932 }
3933
3934 static int read_brightness(struct backlight_device *bd)
3935 {
3936         struct asus_wmi *asus = bl_get_data(bd);
3937         u32 retval;
3938         int err;
3939
3940         err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3941         if (err < 0)
3942                 return err;
3943
3944         return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
3945 }
3946
3947 static u32 get_scalar_command(struct backlight_device *bd)
3948 {
3949         struct asus_wmi *asus = bl_get_data(bd);
3950         u32 ctrl_param = 0;
3951
3952         if ((asus->driver->brightness < bd->props.brightness) ||
3953             bd->props.brightness == bd->props.max_brightness)
3954                 ctrl_param = 0x00008001;
3955         else if ((asus->driver->brightness > bd->props.brightness) ||
3956                  bd->props.brightness == 0)
3957                 ctrl_param = 0x00008000;
3958
3959         asus->driver->brightness = bd->props.brightness;
3960
3961         return ctrl_param;
3962 }
3963
3964 static int update_bl_status(struct backlight_device *bd)
3965 {
3966         struct asus_wmi *asus = bl_get_data(bd);
3967         u32 ctrl_param;
3968         int power, err = 0;
3969
3970         power = read_backlight_power(asus);
3971         if (power != -ENODEV && bd->props.power != power) {
3972                 ctrl_param = !!(bd->props.power == BACKLIGHT_POWER_ON);
3973                 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
3974                                             ctrl_param, NULL);
3975                 if (asus->driver->quirks->store_backlight_power)
3976                         asus->driver->panel_power = bd->props.power;
3977
3978                 /* When using scalar brightness, updating the brightness
3979                  * will mess with the backlight power */
3980                 if (asus->driver->quirks->scalar_panel_brightness)
3981                         return err;
3982         }
3983
3984         if (asus->driver->quirks->scalar_panel_brightness)
3985                 ctrl_param = get_scalar_command(bd);
3986         else
3987                 ctrl_param = bd->props.brightness;
3988
3989         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
3990                                     ctrl_param, NULL);
3991
3992         return err;
3993 }
3994
3995 static const struct backlight_ops asus_wmi_bl_ops = {
3996         .get_brightness = read_brightness,
3997         .update_status = update_bl_status,
3998 };
3999
4000 static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
4001 {
4002         struct backlight_device *bd = asus->backlight_device;
4003         int old = bd->props.brightness;
4004         int new = old;
4005
4006         if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
4007                 new = code - NOTIFY_BRNUP_MIN + 1;
4008         else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
4009                 new = code - NOTIFY_BRNDOWN_MIN;
4010
4011         bd->props.brightness = new;
4012         backlight_update_status(bd);
4013         backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
4014
4015         return old;
4016 }
4017
4018 static int asus_wmi_backlight_init(struct asus_wmi *asus)
4019 {
4020         struct backlight_device *bd;
4021         struct backlight_properties props;
4022         int max;
4023         int power;
4024
4025         max = read_brightness_max(asus);
4026         if (max < 0)
4027                 return max;
4028
4029         power = read_backlight_power(asus);
4030         if (power == -ENODEV)
4031                 power = BACKLIGHT_POWER_ON;
4032         else if (power < 0)
4033                 return power;
4034
4035         memset(&props, 0, sizeof(struct backlight_properties));
4036         props.type = BACKLIGHT_PLATFORM;
4037         props.max_brightness = max;
4038         bd = backlight_device_register(asus->driver->name,
4039                                        &asus->platform_device->dev, asus,
4040                                        &asus_wmi_bl_ops, &props);
4041         if (IS_ERR(bd)) {
4042                 pr_err("Could not register backlight device\n");
4043                 return PTR_ERR(bd);
4044         }
4045
4046         asus->backlight_device = bd;
4047
4048         if (asus->driver->quirks->store_backlight_power)
4049                 asus->driver->panel_power = power;
4050
4051         bd->props.brightness = read_brightness(bd);
4052         bd->props.power = power;
4053         backlight_update_status(bd);
4054
4055         asus->driver->brightness = bd->props.brightness;
4056
4057         return 0;
4058 }
4059
4060 static void asus_wmi_backlight_exit(struct asus_wmi *asus)
4061 {
4062         backlight_device_unregister(asus->backlight_device);
4063
4064         asus->backlight_device = NULL;
4065 }
4066
4067 static int is_display_toggle(int code)
4068 {
4069         /* display toggle keys */
4070         if ((code >= 0x61 && code <= 0x67) ||
4071             (code >= 0x8c && code <= 0x93) ||
4072             (code >= 0xa0 && code <= 0xa7) ||
4073             (code >= 0xd0 && code <= 0xd5))
4074                 return 1;
4075
4076         return 0;
4077 }
4078
4079 /* Screenpad backlight *******************************************************/
4080
4081 static int read_screenpad_backlight_power(struct asus_wmi *asus)
4082 {
4083         int ret;
4084
4085         ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_SCREENPAD_POWER);
4086         if (ret < 0)
4087                 return ret;
4088         /* 1 == powered */
4089         return ret ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF;
4090 }
4091
4092 static int read_screenpad_brightness(struct backlight_device *bd)
4093 {
4094         struct asus_wmi *asus = bl_get_data(bd);
4095         u32 retval;
4096         int err;
4097
4098         err = read_screenpad_backlight_power(asus);
4099         if (err < 0)
4100                 return err;
4101         /* The device brightness can only be read if powered, so return stored */
4102         if (err == BACKLIGHT_POWER_OFF)
4103                 return asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN;
4104
4105         err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &retval);
4106         if (err < 0)
4107                 return err;
4108
4109         return (retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK) - ASUS_SCREENPAD_BRIGHT_MIN;
4110 }
4111
4112 static int update_screenpad_bl_status(struct backlight_device *bd)
4113 {
4114         struct asus_wmi *asus = bl_get_data(bd);
4115         int power, err = 0;
4116         u32 ctrl_param;
4117
4118         power = read_screenpad_backlight_power(asus);
4119         if (power < 0)
4120                 return power;
4121
4122         if (bd->props.power != power) {
4123                 if (power != BACKLIGHT_POWER_ON) {
4124                         /* Only brightness > 0 can power it back on */
4125                         ctrl_param = asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN;
4126                         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT,
4127                                                     ctrl_param, NULL);
4128                 } else {
4129                         err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_POWER, 0, NULL);
4130                 }
4131         } else if (power == BACKLIGHT_POWER_ON) {
4132                 /* Only set brightness if powered on or we get invalid/unsync state */
4133                 ctrl_param = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN;
4134                 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT, ctrl_param, NULL);
4135         }
4136
4137         /* Ensure brightness is stored to turn back on with */
4138         if (err == 0)
4139                 asus->driver->screenpad_brightness = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN;
4140
4141         return err;
4142 }
4143
4144 static const struct backlight_ops asus_screenpad_bl_ops = {
4145         .get_brightness = read_screenpad_brightness,
4146         .update_status = update_screenpad_bl_status,
4147         .options = BL_CORE_SUSPENDRESUME,
4148 };
4149
4150 static int asus_screenpad_init(struct asus_wmi *asus)
4151 {
4152         struct backlight_device *bd;
4153         struct backlight_properties props;
4154         int err, power;
4155         int brightness = 0;
4156
4157         power = read_screenpad_backlight_power(asus);
4158         if (power < 0)
4159                 return power;
4160
4161         if (power != BACKLIGHT_POWER_OFF) {
4162                 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &brightness);
4163                 if (err < 0)
4164                         return err;
4165         }
4166         /* default to an acceptable min brightness on boot if too low */
4167         if (brightness < ASUS_SCREENPAD_BRIGHT_MIN)
4168                 brightness = ASUS_SCREENPAD_BRIGHT_DEFAULT;
4169
4170         memset(&props, 0, sizeof(struct backlight_properties));
4171         props.type = BACKLIGHT_RAW; /* ensure this bd is last to be picked */
4172         props.max_brightness = ASUS_SCREENPAD_BRIGHT_MAX - ASUS_SCREENPAD_BRIGHT_MIN;
4173         bd = backlight_device_register("asus_screenpad",
4174                                        &asus->platform_device->dev, asus,
4175                                        &asus_screenpad_bl_ops, &props);
4176         if (IS_ERR(bd)) {
4177                 pr_err("Could not register backlight device\n");
4178                 return PTR_ERR(bd);
4179         }
4180
4181         asus->screenpad_backlight_device = bd;
4182         asus->driver->screenpad_brightness = brightness;
4183         bd->props.brightness = brightness - ASUS_SCREENPAD_BRIGHT_MIN;
4184         bd->props.power = power;
4185         backlight_update_status(bd);
4186
4187         return 0;
4188 }
4189
4190 static void asus_screenpad_exit(struct asus_wmi *asus)
4191 {
4192         backlight_device_unregister(asus->screenpad_backlight_device);
4193
4194         asus->screenpad_backlight_device = NULL;
4195 }
4196
4197 /* Fn-lock ********************************************************************/
4198
4199 static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
4200 {
4201         u32 result;
4202
4203         asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
4204
4205         return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
4206                 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
4207 }
4208
4209 static void asus_wmi_fnlock_update(struct asus_wmi *asus)
4210 {
4211         int mode = asus->fnlock_locked;
4212
4213         asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
4214 }
4215
4216 /* WMI events *****************************************************************/
4217
4218 static int asus_wmi_get_event_code(union acpi_object *obj)
4219 {
4220         int code;
4221
4222         if (obj && obj->type == ACPI_TYPE_INTEGER)
4223                 code = (int)(obj->integer.value & WMI_EVENT_MASK);
4224         else
4225                 code = -EIO;
4226
4227         return code;
4228 }
4229
4230 static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
4231 {
4232         unsigned int key_value = 1;
4233         bool autorelease = 1;
4234
4235         if (asus->driver->key_filter) {
4236                 asus->driver->key_filter(asus->driver, &code, &key_value,
4237                                          &autorelease);
4238                 if (code == ASUS_WMI_KEY_IGNORE)
4239                         return;
4240         }
4241
4242         if (acpi_video_get_backlight_type() == acpi_backlight_vendor &&
4243             code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNDOWN_MAX) {
4244                 asus_wmi_backlight_notify(asus, code);
4245                 return;
4246         }
4247
4248         if (code == NOTIFY_KBD_BRTUP) {
4249                 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
4250                 return;
4251         }
4252         if (code == NOTIFY_KBD_BRTDWN) {
4253                 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
4254                 return;
4255         }
4256         if (code == NOTIFY_KBD_BRTTOGGLE) {
4257                 if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
4258                         kbd_led_set_by_kbd(asus, 0);
4259                 else
4260                         kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
4261                 return;
4262         }
4263
4264         if (code == NOTIFY_FNLOCK_TOGGLE) {
4265                 asus->fnlock_locked = !asus->fnlock_locked;
4266                 asus_wmi_fnlock_update(asus);
4267                 return;
4268         }
4269
4270         if (code == asus->tablet_switch_event_code) {
4271                 asus_wmi_tablet_mode_get_state(asus);
4272                 return;
4273         }
4274
4275         if (code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_TTP) {
4276                 if (asus->fan_boost_mode_available)
4277                         fan_boost_mode_switch_next(asus);
4278                 if (asus->throttle_thermal_policy_dev)
4279                         platform_profile_cycle();
4280                 return;
4281
4282         }
4283
4284         if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
4285                 return;
4286
4287         if (!sparse_keymap_report_event(asus->inputdev, code,
4288                                         key_value, autorelease))
4289                 pr_info("Unknown key code 0x%x\n", code);
4290 }
4291
4292 static void asus_wmi_notify(union acpi_object *obj, void *context)
4293 {
4294         struct asus_wmi *asus = context;
4295         int code = asus_wmi_get_event_code(obj);
4296
4297         if (code < 0) {
4298                 pr_warn("Failed to get notify code: %d\n", code);
4299                 return;
4300         }
4301
4302         asus_wmi_handle_event_code(code, asus);
4303 }
4304
4305 /* Sysfs **********************************************************************/
4306
4307 static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
4308                              const char *buf, size_t count)
4309 {
4310         u32 retval;
4311         int err, value;
4312
4313         value = asus_wmi_get_devstate_simple(asus, devid);
4314         if (value < 0)
4315                 return value;
4316
4317         err = kstrtoint(buf, 0, &value);
4318         if (err)
4319                 return err;
4320
4321         err = asus_wmi_set_devstate(devid, value, &retval);
4322         if (err < 0)
4323                 return err;
4324
4325         return count;
4326 }
4327
4328 static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
4329 {
4330         int value = asus_wmi_get_devstate_simple(asus, devid);
4331
4332         if (value < 0)
4333                 return value;
4334
4335         return sysfs_emit(buf, "%d\n", value);
4336 }
4337
4338 #define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm)                  \
4339         static ssize_t show_##_name(struct device *dev,                 \
4340                                     struct device_attribute *attr,      \
4341                                     char *buf)                          \
4342         {                                                               \
4343                 struct asus_wmi *asus = dev_get_drvdata(dev);           \
4344                                                                         \
4345                 return show_sys_wmi(asus, _cm, buf);                    \
4346         }                                                               \
4347         static ssize_t store_##_name(struct device *dev,                \
4348                                      struct device_attribute *attr,     \
4349                                      const char *buf, size_t count)     \
4350         {                                                               \
4351                 struct asus_wmi *asus = dev_get_drvdata(dev);           \
4352                                                                         \
4353                 return store_sys_wmi(asus, _cm, buf, count);            \
4354         }                                                               \
4355         static struct device_attribute dev_attr_##_name = {             \
4356                 .attr = {                                               \
4357                         .name = __stringify(_name),                     \
4358                         .mode = _mode },                                \
4359                 .show   = show_##_name,                                 \
4360                 .store  = store_##_name,                                \
4361         }
4362
4363 ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
4364 ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
4365 ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
4366 ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
4367 ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
4368
4369 static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
4370                            const char *buf, size_t count)
4371 {
4372         int value, rv;
4373
4374         rv = kstrtoint(buf, 0, &value);
4375         if (rv)
4376                 return rv;
4377
4378         if (value < 0 || value > 2)
4379                 return -EINVAL;
4380
4381         rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
4382         if (rv < 0)
4383                 return rv;
4384
4385         return count;
4386 }
4387
4388 static DEVICE_ATTR_WO(cpufv);
4389
4390 static struct attribute *platform_attributes[] = {
4391         &dev_attr_cpufv.attr,
4392         &dev_attr_camera.attr,
4393         &dev_attr_cardr.attr,
4394         &dev_attr_touchpad.attr,
4395         &dev_attr_charge_mode.attr,
4396         &dev_attr_egpu_enable.attr,
4397         &dev_attr_egpu_connected.attr,
4398         &dev_attr_dgpu_disable.attr,
4399         &dev_attr_gpu_mux_mode.attr,
4400         &dev_attr_lid_resume.attr,
4401         &dev_attr_als_enable.attr,
4402         &dev_attr_fan_boost_mode.attr,
4403         &dev_attr_throttle_thermal_policy.attr,
4404         &dev_attr_ppt_pl2_sppt.attr,
4405         &dev_attr_ppt_pl1_spl.attr,
4406         &dev_attr_ppt_fppt.attr,
4407         &dev_attr_ppt_apu_sppt.attr,
4408         &dev_attr_ppt_platform_sppt.attr,
4409         &dev_attr_nv_dynamic_boost.attr,
4410         &dev_attr_nv_temp_target.attr,
4411         &dev_attr_mcu_powersave.attr,
4412         &dev_attr_boot_sound.attr,
4413         &dev_attr_panel_od.attr,
4414         &dev_attr_mini_led_mode.attr,
4415         &dev_attr_available_mini_led_mode.attr,
4416         NULL
4417 };
4418
4419 static umode_t asus_sysfs_is_visible(struct kobject *kobj,
4420                                     struct attribute *attr, int idx)
4421 {
4422         struct device *dev = kobj_to_dev(kobj);
4423         struct asus_wmi *asus = dev_get_drvdata(dev);
4424         bool ok = true;
4425         int devid = -1;
4426
4427         if (attr == &dev_attr_camera.attr)
4428                 devid = ASUS_WMI_DEVID_CAMERA;
4429         else if (attr == &dev_attr_cardr.attr)
4430                 devid = ASUS_WMI_DEVID_CARDREADER;
4431         else if (attr == &dev_attr_touchpad.attr)
4432                 devid = ASUS_WMI_DEVID_TOUCHPAD;
4433         else if (attr == &dev_attr_lid_resume.attr)
4434                 devid = ASUS_WMI_DEVID_LID_RESUME;
4435         else if (attr == &dev_attr_als_enable.attr)
4436                 devid = ASUS_WMI_DEVID_ALS_ENABLE;
4437         else if (attr == &dev_attr_charge_mode.attr)
4438                 devid = ASUS_WMI_DEVID_CHARGE_MODE;
4439         else if (attr == &dev_attr_egpu_enable.attr)
4440                 ok = asus->egpu_enable_available;
4441         else if (attr == &dev_attr_egpu_connected.attr)
4442                 devid = ASUS_WMI_DEVID_EGPU_CONNECTED;
4443         else if (attr == &dev_attr_dgpu_disable.attr)
4444                 ok = asus->dgpu_disable_available;
4445         else if (attr == &dev_attr_gpu_mux_mode.attr)
4446                 ok = asus->gpu_mux_dev != 0;
4447         else if (attr == &dev_attr_fan_boost_mode.attr)
4448                 ok = asus->fan_boost_mode_available;
4449         else if (attr == &dev_attr_throttle_thermal_policy.attr)
4450                 ok = asus->throttle_thermal_policy_dev != 0;
4451         else if (attr == &dev_attr_ppt_pl2_sppt.attr)
4452                 devid = ASUS_WMI_DEVID_PPT_PL2_SPPT;
4453         else if (attr == &dev_attr_ppt_pl1_spl.attr)
4454                 devid = ASUS_WMI_DEVID_PPT_PL1_SPL;
4455         else if (attr == &dev_attr_ppt_fppt.attr)
4456                 devid = ASUS_WMI_DEVID_PPT_FPPT;
4457         else if (attr == &dev_attr_ppt_apu_sppt.attr)
4458                 devid = ASUS_WMI_DEVID_PPT_APU_SPPT;
4459         else if (attr == &dev_attr_ppt_platform_sppt.attr)
4460                 devid = ASUS_WMI_DEVID_PPT_PLAT_SPPT;
4461         else if (attr == &dev_attr_nv_dynamic_boost.attr)
4462                 devid = ASUS_WMI_DEVID_NV_DYN_BOOST;
4463         else if (attr == &dev_attr_nv_temp_target.attr)
4464                 devid = ASUS_WMI_DEVID_NV_THERM_TARGET;
4465         else if (attr == &dev_attr_mcu_powersave.attr)
4466                 devid = ASUS_WMI_DEVID_MCU_POWERSAVE;
4467         else if (attr == &dev_attr_boot_sound.attr)
4468                 devid = ASUS_WMI_DEVID_BOOT_SOUND;
4469         else if (attr == &dev_attr_panel_od.attr)
4470                 devid = ASUS_WMI_DEVID_PANEL_OD;
4471         else if (attr == &dev_attr_mini_led_mode.attr)
4472                 ok = asus->mini_led_dev_id != 0;
4473         else if (attr == &dev_attr_available_mini_led_mode.attr)
4474                 ok = asus->mini_led_dev_id != 0;
4475
4476         if (devid != -1) {
4477                 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
4478                 pr_debug("%s called 0x%08x, ok: %x\n", __func__, devid, ok);
4479         }
4480
4481         return ok ? attr->mode : 0;
4482 }
4483
4484 static const struct attribute_group platform_attribute_group = {
4485         .is_visible = asus_sysfs_is_visible,
4486         .attrs = platform_attributes
4487 };
4488
4489 static void asus_wmi_sysfs_exit(struct platform_device *device)
4490 {
4491         sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
4492 }
4493
4494 static int asus_wmi_sysfs_init(struct platform_device *device)
4495 {
4496         return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
4497 }
4498
4499 /* Platform device ************************************************************/
4500
4501 static int asus_wmi_platform_init(struct asus_wmi *asus)
4502 {
4503         struct device *dev = &asus->platform_device->dev;
4504         char *wmi_uid;
4505         int rv;
4506
4507         /* INIT enable hotkeys on some models */
4508         if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
4509                 pr_info("Initialization: %#x\n", rv);
4510
4511         /* We don't know yet what to do with this version... */
4512         if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
4513                 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
4514                 asus->spec = rv;
4515         }
4516
4517         /*
4518          * The SFUN method probably allows the original driver to get the list
4519          * of features supported by a given model. For now, 0x0100 or 0x0800
4520          * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
4521          * The significance of others is yet to be found.
4522          */
4523         if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
4524                 pr_info("SFUN value: %#x\n", rv);
4525                 asus->sfun = rv;
4526         }
4527
4528         /*
4529          * Eee PC and Notebooks seems to have different method_id for DSTS,
4530          * but it may also be related to the BIOS's SPEC.
4531          * Note, on most Eeepc, there is no way to check if a method exist
4532          * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
4533          * but once again, SPEC may probably be used for that kind of things.
4534          *
4535          * Additionally at least TUF Gaming series laptops return nothing for
4536          * unknown methods, so the detection in this way is not possible.
4537          *
4538          * There is strong indication that only ACPI WMI devices that have _UID
4539          * equal to "ASUSWMI" use DCTS whereas those with "ATK" use DSTS.
4540          */
4541         wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
4542         if (!wmi_uid)
4543                 return -ENODEV;
4544
4545         if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
4546                 dev_info(dev, "Detected ASUSWMI, use DCTS\n");
4547                 asus->dsts_id = ASUS_WMI_METHODID_DCTS;
4548         } else {
4549                 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
4550                 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
4551         }
4552
4553         /* CWAP allow to define the behavior of the Fn+F2 key,
4554          * this method doesn't seems to be present on Eee PCs */
4555         if (asus->driver->quirks->wapf >= 0)
4556                 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
4557                                       asus->driver->quirks->wapf, NULL);
4558
4559         return 0;
4560 }
4561
4562 /* debugfs ********************************************************************/
4563
4564 struct asus_wmi_debugfs_node {
4565         struct asus_wmi *asus;
4566         char *name;
4567         int (*show) (struct seq_file *m, void *data);
4568 };
4569
4570 static int show_dsts(struct seq_file *m, void *data)
4571 {
4572         struct asus_wmi *asus = m->private;
4573         int err;
4574         u32 retval = -1;
4575
4576         err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
4577         if (err < 0)
4578                 return err;
4579
4580         seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
4581
4582         return 0;
4583 }
4584
4585 static int show_devs(struct seq_file *m, void *data)
4586 {
4587         struct asus_wmi *asus = m->private;
4588         int err;
4589         u32 retval = -1;
4590
4591         err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
4592                                     &retval);
4593         if (err < 0)
4594                 return err;
4595
4596         seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
4597                    asus->debug.ctrl_param, retval);
4598
4599         return 0;
4600 }
4601
4602 static int show_call(struct seq_file *m, void *data)
4603 {
4604         struct asus_wmi *asus = m->private;
4605         struct bios_args args = {
4606                 .arg0 = asus->debug.dev_id,
4607                 .arg1 = asus->debug.ctrl_param,
4608         };
4609         struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
4610         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
4611         union acpi_object *obj;
4612         acpi_status status;
4613
4614         status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
4615                                      0, asus->debug.method_id,
4616                                      &input, &output);
4617
4618         if (ACPI_FAILURE(status))
4619                 return -EIO;
4620
4621         obj = (union acpi_object *)output.pointer;
4622         if (obj && obj->type == ACPI_TYPE_INTEGER)
4623                 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
4624                            asus->debug.dev_id, asus->debug.ctrl_param,
4625                            (u32) obj->integer.value);
4626         else
4627                 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
4628                            asus->debug.dev_id, asus->debug.ctrl_param,
4629                            obj ? obj->type : -1);
4630
4631         kfree(obj);
4632
4633         return 0;
4634 }
4635
4636 static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
4637         {NULL, "devs", show_devs},
4638         {NULL, "dsts", show_dsts},
4639         {NULL, "call", show_call},
4640 };
4641
4642 static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
4643 {
4644         struct asus_wmi_debugfs_node *node = inode->i_private;
4645
4646         return single_open(file, node->show, node->asus);
4647 }
4648
4649 static const struct file_operations asus_wmi_debugfs_io_ops = {
4650         .owner = THIS_MODULE,
4651         .open = asus_wmi_debugfs_open,
4652         .read = seq_read,
4653         .llseek = seq_lseek,
4654         .release = single_release,
4655 };
4656
4657 static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
4658 {
4659         debugfs_remove_recursive(asus->debug.root);
4660 }
4661
4662 static void asus_wmi_debugfs_init(struct asus_wmi *asus)
4663 {
4664         int i;
4665
4666         asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
4667
4668         debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
4669                            &asus->debug.method_id);
4670
4671         debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
4672                            &asus->debug.dev_id);
4673
4674         debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
4675                            &asus->debug.ctrl_param);
4676
4677         for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
4678                 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
4679
4680                 node->asus = asus;
4681                 debugfs_create_file(node->name, S_IFREG | S_IRUGO,
4682                                     asus->debug.root, node,
4683                                     &asus_wmi_debugfs_io_ops);
4684         }
4685 }
4686
4687 /* Init / exit ****************************************************************/
4688
4689 static int asus_wmi_add(struct platform_device *pdev)
4690 {
4691         struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
4692         struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
4693         struct asus_wmi *asus;
4694         acpi_status status;
4695         int err;
4696         u32 result;
4697
4698         asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
4699         if (!asus)
4700                 return -ENOMEM;
4701
4702         asus->driver = wdrv;
4703         asus->platform_device = pdev;
4704         wdrv->platform_device = pdev;
4705         platform_set_drvdata(asus->platform_device, asus);
4706
4707         if (wdrv->detect_quirks)
4708                 wdrv->detect_quirks(asus->driver);
4709
4710         err = asus_wmi_platform_init(asus);
4711         if (err)
4712                 goto fail_platform;
4713
4714         /* ensure defaults for tunables */
4715         asus->ppt_pl2_sppt = 5;
4716         asus->ppt_pl1_spl = 5;
4717         asus->ppt_apu_sppt = 5;
4718         asus->ppt_platform_sppt = 5;
4719         asus->ppt_fppt = 5;
4720         asus->nv_dynamic_boost = 5;
4721         asus->nv_temp_target = 75;
4722
4723         asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU);
4724         asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU);
4725         asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
4726         asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE)
4727                                                 && dmi_check_system(asus_ally_mcu_quirk);
4728
4729         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE))
4730                 asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE;
4731         else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE2))
4732                 asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE2;
4733
4734         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX))
4735                 asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX;
4736         else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX_VIVO))
4737                 asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX_VIVO;
4738
4739         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE))
4740                 asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE;
4741         else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE2))
4742                 asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE2;
4743
4744         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY))
4745                 asus->throttle_thermal_policy_dev = ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY;
4746         else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO))
4747                 asus->throttle_thermal_policy_dev = ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO;
4748
4749         err = fan_boost_mode_check_present(asus);
4750         if (err)
4751                 goto fail_fan_boost_mode;
4752
4753         err = platform_profile_setup(asus);
4754         if (err)
4755                 goto fail_platform_profile_setup;
4756
4757         err = asus_wmi_sysfs_init(asus->platform_device);
4758         if (err)
4759                 goto fail_sysfs;
4760
4761         err = asus_wmi_input_init(asus);
4762         if (err)
4763                 goto fail_input;
4764
4765         err = asus_wmi_fan_init(asus); /* probably no problems on error */
4766
4767         err = asus_wmi_hwmon_init(asus);
4768         if (err)
4769                 goto fail_hwmon;
4770
4771         err = asus_wmi_custom_fan_curve_init(asus);
4772         if (err)
4773                 goto fail_custom_fan_curve;
4774
4775         err = asus_wmi_led_init(asus);
4776         if (err)
4777                 goto fail_leds;
4778
4779         asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
4780         if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
4781                 asus->driver->wlan_ctrl_by_user = 1;
4782
4783         if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
4784                 err = asus_wmi_rfkill_init(asus);
4785                 if (err)
4786                         goto fail_rfkill;
4787         }
4788
4789         if (asus->driver->quirks->wmi_force_als_set)
4790                 asus_wmi_set_als();
4791
4792         if (asus->driver->quirks->xusb2pr)
4793                 asus_wmi_set_xusb2pr(asus);
4794
4795         if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
4796                 err = asus_wmi_backlight_init(asus);
4797                 if (err && err != -ENODEV)
4798                         goto fail_backlight;
4799         } else if (asus->driver->quirks->wmi_backlight_set_devstate)
4800                 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
4801
4802         if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT)) {
4803                 err = asus_screenpad_init(asus);
4804                 if (err && err != -ENODEV)
4805                         goto fail_screenpad;
4806         }
4807
4808         if (asus_wmi_has_fnlock_key(asus)) {
4809                 asus->fnlock_locked = fnlock_default;
4810                 asus_wmi_fnlock_update(asus);
4811         }
4812
4813         status = wmi_install_notify_handler(asus->driver->event_guid,
4814                                             asus_wmi_notify, asus);
4815         if (ACPI_FAILURE(status)) {
4816                 pr_err("Unable to register notify handler - %d\n", status);
4817                 err = -ENODEV;
4818                 goto fail_wmi_handler;
4819         }
4820
4821         if (asus->driver->i8042_filter) {
4822                 err = i8042_install_filter(asus->driver->i8042_filter, NULL);
4823                 if (err)
4824                         pr_warn("Unable to install key filter - %d\n", err);
4825         }
4826
4827         asus_wmi_battery_init(asus);
4828
4829         asus_wmi_debugfs_init(asus);
4830
4831         return 0;
4832
4833 fail_wmi_handler:
4834         asus_wmi_backlight_exit(asus);
4835 fail_backlight:
4836         asus_wmi_rfkill_exit(asus);
4837 fail_screenpad:
4838         asus_screenpad_exit(asus);
4839 fail_rfkill:
4840         asus_wmi_led_exit(asus);
4841 fail_leds:
4842 fail_hwmon:
4843         asus_wmi_input_exit(asus);
4844 fail_input:
4845         asus_wmi_sysfs_exit(asus->platform_device);
4846 fail_sysfs:
4847 fail_custom_fan_curve:
4848 fail_platform_profile_setup:
4849 fail_fan_boost_mode:
4850 fail_platform:
4851         kfree(asus);
4852         return err;
4853 }
4854
4855 static void asus_wmi_remove(struct platform_device *device)
4856 {
4857         struct asus_wmi *asus;
4858
4859         asus = platform_get_drvdata(device);
4860         if (asus->driver->i8042_filter)
4861                 i8042_remove_filter(asus->driver->i8042_filter);
4862         wmi_remove_notify_handler(asus->driver->event_guid);
4863         asus_wmi_backlight_exit(asus);
4864         asus_screenpad_exit(asus);
4865         asus_wmi_input_exit(asus);
4866         asus_wmi_led_exit(asus);
4867         asus_wmi_rfkill_exit(asus);
4868         asus_wmi_debugfs_exit(asus);
4869         asus_wmi_sysfs_exit(asus->platform_device);
4870         asus_fan_set_auto(asus);
4871         throttle_thermal_policy_set_default(asus);
4872         asus_wmi_battery_exit(asus);
4873
4874         kfree(asus);
4875 }
4876
4877 /* Platform driver - hibernate/resume callbacks *******************************/
4878
4879 static int asus_hotk_thaw(struct device *device)
4880 {
4881         struct asus_wmi *asus = dev_get_drvdata(device);
4882
4883         if (asus->wlan.rfkill) {
4884                 bool wlan;
4885
4886                 /*
4887                  * Work around bios bug - acpi _PTS turns off the wireless led
4888                  * during suspend.  Normally it restores it on resume, but
4889                  * we should kick it ourselves in case hibernation is aborted.
4890                  */
4891                 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
4892                 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
4893         }
4894
4895         return 0;
4896 }
4897
4898 static int asus_hotk_resume(struct device *device)
4899 {
4900         struct asus_wmi *asus = dev_get_drvdata(device);
4901
4902         if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
4903                 kbd_led_update(asus);
4904
4905         if (asus_wmi_has_fnlock_key(asus))
4906                 asus_wmi_fnlock_update(asus);
4907
4908         asus_wmi_tablet_mode_get_state(asus);
4909
4910         return 0;
4911 }
4912
4913 static int asus_hotk_resume_early(struct device *device)
4914 {
4915         struct asus_wmi *asus = dev_get_drvdata(device);
4916
4917         if (asus->ally_mcu_usb_switch) {
4918                 /* sleep required to prevent USB0 being yanked then reappearing rapidly */
4919                 if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB8)))
4920                         dev_err(device, "ROG Ally MCU failed to connect USB dev\n");
4921                 else
4922                         msleep(ASUS_USB0_PWR_EC0_CSEE_WAIT);
4923         }
4924         return 0;
4925 }
4926
4927 static int asus_hotk_prepare(struct device *device)
4928 {
4929         struct asus_wmi *asus = dev_get_drvdata(device);
4930
4931         if (asus->ally_mcu_usb_switch) {
4932                 /* sleep required to ensure USB0 is disabled before sleep continues */
4933                 if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB7)))
4934                         dev_err(device, "ROG Ally MCU failed to disconnect USB dev\n");
4935                 else
4936                         msleep(ASUS_USB0_PWR_EC0_CSEE_WAIT);
4937         }
4938         return 0;
4939 }
4940
4941 static int asus_hotk_restore(struct device *device)
4942 {
4943         struct asus_wmi *asus = dev_get_drvdata(device);
4944         int bl;
4945
4946         /* Refresh both wlan rfkill state and pci hotplug */
4947         if (asus->wlan.rfkill)
4948                 asus_rfkill_hotplug(asus);
4949
4950         if (asus->bluetooth.rfkill) {
4951                 bl = !asus_wmi_get_devstate_simple(asus,
4952                                                    ASUS_WMI_DEVID_BLUETOOTH);
4953                 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
4954         }
4955         if (asus->wimax.rfkill) {
4956                 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
4957                 rfkill_set_sw_state(asus->wimax.rfkill, bl);
4958         }
4959         if (asus->wwan3g.rfkill) {
4960                 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
4961                 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
4962         }
4963         if (asus->gps.rfkill) {
4964                 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
4965                 rfkill_set_sw_state(asus->gps.rfkill, bl);
4966         }
4967         if (asus->uwb.rfkill) {
4968                 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
4969                 rfkill_set_sw_state(asus->uwb.rfkill, bl);
4970         }
4971         if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
4972                 kbd_led_update(asus);
4973
4974         if (asus_wmi_has_fnlock_key(asus))
4975                 asus_wmi_fnlock_update(asus);
4976
4977         asus_wmi_tablet_mode_get_state(asus);
4978         return 0;
4979 }
4980
4981 static const struct dev_pm_ops asus_pm_ops = {
4982         .thaw = asus_hotk_thaw,
4983         .restore = asus_hotk_restore,
4984         .resume = asus_hotk_resume,
4985         .resume_early = asus_hotk_resume_early,
4986         .prepare = asus_hotk_prepare,
4987 };
4988
4989 /* Registration ***************************************************************/
4990
4991 static int asus_wmi_probe(struct platform_device *pdev)
4992 {
4993         struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
4994         struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
4995         int ret;
4996
4997         if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
4998                 pr_warn("ASUS Management GUID not found\n");
4999                 return -ENODEV;
5000         }
5001
5002         if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
5003                 pr_warn("ASUS Event GUID not found\n");
5004                 return -ENODEV;
5005         }
5006
5007         if (wdrv->probe) {
5008                 ret = wdrv->probe(pdev);
5009                 if (ret)
5010                         return ret;
5011         }
5012
5013         return asus_wmi_add(pdev);
5014 }
5015
5016 static bool used;
5017
5018 int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
5019 {
5020         struct platform_driver *platform_driver;
5021         struct platform_device *platform_device;
5022
5023         if (used)
5024                 return -EBUSY;
5025
5026         platform_driver = &driver->platform_driver;
5027         platform_driver->remove = asus_wmi_remove;
5028         platform_driver->driver.owner = driver->owner;
5029         platform_driver->driver.name = driver->name;
5030         platform_driver->driver.pm = &asus_pm_ops;
5031
5032         platform_device = platform_create_bundle(platform_driver,
5033                                                  asus_wmi_probe,
5034                                                  NULL, 0, NULL, 0);
5035         if (IS_ERR(platform_device))
5036                 return PTR_ERR(platform_device);
5037
5038         used = true;
5039         return 0;
5040 }
5041 EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
5042
5043 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
5044 {
5045         platform_device_unregister(driver->platform_device);
5046         platform_driver_unregister(&driver->platform_driver);
5047         used = false;
5048 }
5049 EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
5050
5051 static int __init asus_wmi_init(void)
5052 {
5053         pr_info("ASUS WMI generic driver loaded\n");
5054         return 0;
5055 }
5056
5057 static void __exit asus_wmi_exit(void)
5058 {
5059         pr_info("ASUS WMI generic driver unloaded\n");
5060 }
5061
5062 module_init(asus_wmi_init);
5063 module_exit(asus_wmi_exit);