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 <corentin.chary@gmail.com> 7 * 8 * Portions based on wistron_btns.c: 9 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> 10 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> 11 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> 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/dmi.h> 20 #include <linux/fb.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/module.h> 29 #include <linux/pci.h> 30 #include <linux/pci_hotplug.h> 31 #include <linux/platform_data/x86/asus-wmi.h> 32 #include <linux/platform_device.h> 33 #include <linux/platform_profile.h> 34 #include <linux/power_supply.h> 35 #include <linux/rfkill.h> 36 #include <linux/seq_file.h> 37 #include <linux/slab.h> 38 #include <linux/types.h> 39 #include <linux/units.h> 40 41 #include <acpi/battery.h> 42 #include <acpi/video.h> 43 44 #include "asus-wmi.h" 45 46 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>"); 47 MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>"); 48 MODULE_DESCRIPTION("Asus Generic WMI Driver"); 49 MODULE_LICENSE("GPL"); 50 51 static bool fnlock_default = true; 52 module_param(fnlock_default, bool, 0444); 53 54 #define to_asus_wmi_driver(pdrv) \ 55 (container_of((pdrv), struct asus_wmi_driver, platform_driver)) 56 57 #define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66" 58 59 #define NOTIFY_BRNUP_MIN 0x11 60 #define NOTIFY_BRNUP_MAX 0x1f 61 #define NOTIFY_BRNDOWN_MIN 0x20 62 #define NOTIFY_BRNDOWN_MAX 0x2e 63 #define NOTIFY_FNLOCK_TOGGLE 0x4e 64 #define NOTIFY_KBD_DOCK_CHANGE 0x75 65 #define NOTIFY_KBD_BRTUP 0xc4 66 #define NOTIFY_KBD_BRTDWN 0xc5 67 #define NOTIFY_KBD_BRTTOGGLE 0xc7 68 #define NOTIFY_KBD_FBM 0x99 69 #define NOTIFY_KBD_TTP 0xae 70 #define NOTIFY_LID_FLIP 0xfa 71 #define NOTIFY_LID_FLIP_ROG 0xbd 72 73 #define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0) 74 75 #define ASUS_MID_FAN_DESC "mid_fan" 76 #define ASUS_GPU_FAN_DESC "gpu_fan" 77 #define ASUS_FAN_DESC "cpu_fan" 78 #define ASUS_FAN_MFUN 0x13 79 #define ASUS_FAN_SFUN_READ 0x06 80 #define ASUS_FAN_SFUN_WRITE 0x07 81 82 /* Based on standard hwmon pwmX_enable values */ 83 #define ASUS_FAN_CTRL_FULLSPEED 0 84 #define ASUS_FAN_CTRL_MANUAL 1 85 #define ASUS_FAN_CTRL_AUTO 2 86 87 #define ASUS_FAN_BOOST_MODE_NORMAL 0 88 #define ASUS_FAN_BOOST_MODE_OVERBOOST 1 89 #define ASUS_FAN_BOOST_MODE_OVERBOOST_MASK 0x01 90 #define ASUS_FAN_BOOST_MODE_SILENT 2 91 #define ASUS_FAN_BOOST_MODE_SILENT_MASK 0x02 92 #define ASUS_FAN_BOOST_MODES_MASK 0x03 93 94 #define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT 0 95 #define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST 1 96 #define ASUS_THROTTLE_THERMAL_POLICY_SILENT 2 97 98 #define USB_INTEL_XUSB2PR 0xD0 99 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 100 101 #define ASUS_ACPI_UID_ASUSWMI "ASUSWMI" 102 #define ASUS_ACPI_UID_ATK "ATK" 103 104 #define WMI_EVENT_QUEUE_SIZE 0x10 105 #define WMI_EVENT_QUEUE_END 0x1 106 #define WMI_EVENT_MASK 0xFFFF 107 /* The WMI hotkey event value is always the same. */ 108 #define WMI_EVENT_VALUE_ATK 0xFF 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 static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL }; 131 132 static int throttle_thermal_policy_write(struct asus_wmi *); 133 134 static bool ashs_present(void) 135 { 136 int i = 0; 137 while (ashs_ids[i]) { 138 if (acpi_dev_found(ashs_ids[i++])) 139 return true; 140 } 141 return false; 142 } 143 144 struct bios_args { 145 u32 arg0; 146 u32 arg1; 147 u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */ 148 u32 arg3; 149 u32 arg4; /* Some ROG laptops require a full 5 input args */ 150 u32 arg5; 151 } __packed; 152 153 /* 154 * Struct that's used for all methods called via AGFN. Naming is 155 * identically to the AML code. 156 */ 157 struct agfn_args { 158 u16 mfun; /* probably "Multi-function" to be called */ 159 u16 sfun; /* probably "Sub-function" to be called */ 160 u16 len; /* size of the hole struct, including subfunction fields */ 161 u8 stas; /* not used by now */ 162 u8 err; /* zero on success */ 163 } __packed; 164 165 /* struct used for calling fan read and write methods */ 166 struct agfn_fan_args { 167 struct agfn_args agfn; /* common fields */ 168 u8 fan; /* fan number: 0: set auto mode 1: 1st fan */ 169 u32 speed; /* read: RPM/100 - write: 0-255 */ 170 } __packed; 171 172 /* 173 * <platform>/ - debugfs root directory 174 * dev_id - current dev_id 175 * ctrl_param - current ctrl_param 176 * method_id - current method_id 177 * devs - call DEVS(dev_id, ctrl_param) and print result 178 * dsts - call DSTS(dev_id) and print result 179 * call - call method_id(dev_id, ctrl_param) and print result 180 */ 181 struct asus_wmi_debug { 182 struct dentry *root; 183 u32 method_id; 184 u32 dev_id; 185 u32 ctrl_param; 186 }; 187 188 struct asus_rfkill { 189 struct asus_wmi *asus; 190 struct rfkill *rfkill; 191 u32 dev_id; 192 }; 193 194 enum fan_type { 195 FAN_TYPE_NONE = 0, 196 FAN_TYPE_AGFN, /* deprecated on newer platforms */ 197 FAN_TYPE_SPEC83, /* starting in Spec 8.3, use CPU_FAN_CTRL */ 198 }; 199 200 struct fan_curve_data { 201 bool enabled; 202 u32 device_id; 203 u8 temps[FAN_CURVE_POINTS]; 204 u8 percents[FAN_CURVE_POINTS]; 205 }; 206 207 struct asus_wmi { 208 int dsts_id; 209 int spec; 210 int sfun; 211 bool wmi_event_queue; 212 213 struct input_dev *inputdev; 214 struct backlight_device *backlight_device; 215 struct platform_device *platform_device; 216 217 struct led_classdev wlan_led; 218 int wlan_led_wk; 219 struct led_classdev tpd_led; 220 int tpd_led_wk; 221 struct led_classdev kbd_led; 222 int kbd_led_wk; 223 struct led_classdev lightbar_led; 224 int lightbar_led_wk; 225 struct led_classdev micmute_led; 226 struct workqueue_struct *led_workqueue; 227 struct work_struct tpd_led_work; 228 struct work_struct wlan_led_work; 229 struct work_struct lightbar_led_work; 230 231 struct asus_rfkill wlan; 232 struct asus_rfkill bluetooth; 233 struct asus_rfkill wimax; 234 struct asus_rfkill wwan3g; 235 struct asus_rfkill gps; 236 struct asus_rfkill uwb; 237 238 int tablet_switch_event_code; 239 u32 tablet_switch_dev_id; 240 bool tablet_switch_inverted; 241 242 enum fan_type fan_type; 243 enum fan_type gpu_fan_type; 244 enum fan_type mid_fan_type; 245 int fan_pwm_mode; 246 int gpu_fan_pwm_mode; 247 int mid_fan_pwm_mode; 248 int agfn_pwm; 249 250 bool fan_boost_mode_available; 251 u8 fan_boost_mode_mask; 252 u8 fan_boost_mode; 253 254 bool charge_mode_available; 255 bool egpu_enable_available; 256 bool egpu_connect_available; 257 bool dgpu_disable_available; 258 bool gpu_mux_mode_available; 259 260 /* Tunables provided by ASUS for gaming laptops */ 261 bool ppt_pl2_sppt_available; 262 bool ppt_pl1_spl_available; 263 bool ppt_apu_sppt_available; 264 bool ppt_plat_sppt_available; 265 bool ppt_fppt_available; 266 bool nv_dyn_boost_available; 267 bool nv_temp_tgt_available; 268 269 bool kbd_rgb_mode_available; 270 bool kbd_rgb_state_available; 271 272 bool throttle_thermal_policy_available; 273 u8 throttle_thermal_policy_mode; 274 275 bool cpu_fan_curve_available; 276 bool gpu_fan_curve_available; 277 bool mid_fan_curve_available; 278 struct fan_curve_data custom_fan_curves[3]; 279 280 struct platform_profile_handler platform_profile_handler; 281 bool platform_profile_support; 282 283 // The RSOC controls the maximum charging percentage. 284 bool battery_rsoc_available; 285 286 bool panel_overdrive_available; 287 bool mini_led_mode_available; 288 289 struct hotplug_slot hotplug_slot; 290 struct mutex hotplug_lock; 291 struct mutex wmi_lock; 292 struct workqueue_struct *hotplug_workqueue; 293 struct work_struct hotplug_work; 294 295 bool fnlock_locked; 296 297 struct asus_wmi_debug debug; 298 299 struct asus_wmi_driver *driver; 300 }; 301 302 /* WMI ************************************************************************/ 303 304 static int asus_wmi_evaluate_method3(u32 method_id, 305 u32 arg0, u32 arg1, u32 arg2, u32 *retval) 306 { 307 struct bios_args args = { 308 .arg0 = arg0, 309 .arg1 = arg1, 310 .arg2 = arg2, 311 }; 312 struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; 313 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 314 acpi_status status; 315 union acpi_object *obj; 316 u32 tmp = 0; 317 318 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, 319 &input, &output); 320 321 if (ACPI_FAILURE(status)) 322 return -EIO; 323 324 obj = (union acpi_object *)output.pointer; 325 if (obj && obj->type == ACPI_TYPE_INTEGER) 326 tmp = (u32) obj->integer.value; 327 328 if (retval) 329 *retval = tmp; 330 331 kfree(obj); 332 333 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) 334 return -ENODEV; 335 336 return 0; 337 } 338 339 int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval) 340 { 341 return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval); 342 } 343 EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method); 344 345 static int asus_wmi_evaluate_method5(u32 method_id, 346 u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 *retval) 347 { 348 struct bios_args args = { 349 .arg0 = arg0, 350 .arg1 = arg1, 351 .arg2 = arg2, 352 .arg3 = arg3, 353 .arg4 = arg4, 354 }; 355 struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; 356 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 357 acpi_status status; 358 union acpi_object *obj; 359 u32 tmp = 0; 360 361 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, 362 &input, &output); 363 364 if (ACPI_FAILURE(status)) 365 return -EIO; 366 367 obj = (union acpi_object *)output.pointer; 368 if (obj && obj->type == ACPI_TYPE_INTEGER) 369 tmp = (u32) obj->integer.value; 370 371 if (retval) 372 *retval = tmp; 373 374 kfree(obj); 375 376 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) 377 return -ENODEV; 378 379 return 0; 380 } 381 382 /* 383 * Returns as an error if the method output is not a buffer. Typically this 384 * means that the method called is unsupported. 385 */ 386 static int asus_wmi_evaluate_method_buf(u32 method_id, 387 u32 arg0, u32 arg1, u8 *ret_buffer, size_t size) 388 { 389 struct bios_args args = { 390 .arg0 = arg0, 391 .arg1 = arg1, 392 .arg2 = 0, 393 }; 394 struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; 395 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 396 acpi_status status; 397 union acpi_object *obj; 398 int err = 0; 399 400 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, 401 &input, &output); 402 403 if (ACPI_FAILURE(status)) 404 return -EIO; 405 406 obj = (union acpi_object *)output.pointer; 407 408 switch (obj->type) { 409 case ACPI_TYPE_BUFFER: 410 if (obj->buffer.length > size) { 411 err = -ENOSPC; 412 break; 413 } 414 if (obj->buffer.length == 0) { 415 err = -ENODATA; 416 break; 417 } 418 419 memcpy(ret_buffer, obj->buffer.pointer, obj->buffer.length); 420 break; 421 case ACPI_TYPE_INTEGER: 422 err = (u32)obj->integer.value; 423 424 if (err == ASUS_WMI_UNSUPPORTED_METHOD) 425 err = -ENODEV; 426 /* 427 * At least one method returns a 0 with no buffer if no arg 428 * is provided, such as ASUS_WMI_DEVID_CPU_FAN_CURVE 429 */ 430 if (err == 0) 431 err = -ENODATA; 432 break; 433 default: 434 err = -ENODATA; 435 break; 436 } 437 438 kfree(obj); 439 440 if (err) 441 return err; 442 443 return 0; 444 } 445 446 static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args) 447 { 448 struct acpi_buffer input; 449 u64 phys_addr; 450 u32 retval; 451 u32 status; 452 453 /* 454 * Copy to dma capable address otherwise memory corruption occurs as 455 * bios has to be able to access it. 456 */ 457 input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL); 458 input.length = args.length; 459 if (!input.pointer) 460 return -ENOMEM; 461 phys_addr = virt_to_phys(input.pointer); 462 463 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN, 464 phys_addr, 0, &retval); 465 if (!status) 466 memcpy(args.pointer, input.pointer, args.length); 467 468 kfree(input.pointer); 469 if (status) 470 return -ENXIO; 471 472 return retval; 473 } 474 475 static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval) 476 { 477 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); 478 } 479 480 static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param, 481 u32 *retval) 482 { 483 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id, 484 ctrl_param, retval); 485 } 486 487 /* Helper for special devices with magic return codes */ 488 static int asus_wmi_get_devstate_bits(struct asus_wmi *asus, 489 u32 dev_id, u32 mask) 490 { 491 u32 retval = 0; 492 int err; 493 494 err = asus_wmi_get_devstate(asus, dev_id, &retval); 495 if (err < 0) 496 return err; 497 498 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT)) 499 return -ENODEV; 500 501 if (mask == ASUS_WMI_DSTS_STATUS_BIT) { 502 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT) 503 return -ENODEV; 504 } 505 506 return retval & mask; 507 } 508 509 static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id) 510 { 511 return asus_wmi_get_devstate_bits(asus, dev_id, 512 ASUS_WMI_DSTS_STATUS_BIT); 513 } 514 515 static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id) 516 { 517 u32 retval; 518 int status = asus_wmi_get_devstate(asus, dev_id, &retval); 519 520 return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT); 521 } 522 523 /* Input **********************************************************************/ 524 static void asus_wmi_tablet_sw_report(struct asus_wmi *asus, bool value) 525 { 526 input_report_switch(asus->inputdev, SW_TABLET_MODE, 527 asus->tablet_switch_inverted ? !value : value); 528 input_sync(asus->inputdev); 529 } 530 531 static void asus_wmi_tablet_sw_init(struct asus_wmi *asus, u32 dev_id, int event_code) 532 { 533 struct device *dev = &asus->platform_device->dev; 534 int result; 535 536 result = asus_wmi_get_devstate_simple(asus, dev_id); 537 if (result >= 0) { 538 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE); 539 asus_wmi_tablet_sw_report(asus, result); 540 asus->tablet_switch_dev_id = dev_id; 541 asus->tablet_switch_event_code = event_code; 542 } else if (result == -ENODEV) { 543 dev_err(dev, "This device has tablet-mode-switch quirk but got ENODEV checking it. This is a bug."); 544 } else { 545 dev_err(dev, "Error checking for tablet-mode-switch: %d\n", result); 546 } 547 } 548 549 static int asus_wmi_input_init(struct asus_wmi *asus) 550 { 551 struct device *dev = &asus->platform_device->dev; 552 int err; 553 554 asus->inputdev = input_allocate_device(); 555 if (!asus->inputdev) 556 return -ENOMEM; 557 558 asus->inputdev->name = asus->driver->input_name; 559 asus->inputdev->phys = asus->driver->input_phys; 560 asus->inputdev->id.bustype = BUS_HOST; 561 asus->inputdev->dev.parent = dev; 562 set_bit(EV_REP, asus->inputdev->evbit); 563 564 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL); 565 if (err) 566 goto err_free_dev; 567 568 switch (asus->driver->quirks->tablet_switch_mode) { 569 case asus_wmi_no_tablet_switch: 570 break; 571 case asus_wmi_kbd_dock_devid: 572 asus->tablet_switch_inverted = true; 573 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_KBD_DOCK, NOTIFY_KBD_DOCK_CHANGE); 574 break; 575 case asus_wmi_lid_flip_devid: 576 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP, NOTIFY_LID_FLIP); 577 break; 578 case asus_wmi_lid_flip_rog_devid: 579 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP_ROG, NOTIFY_LID_FLIP_ROG); 580 break; 581 } 582 583 err = input_register_device(asus->inputdev); 584 if (err) 585 goto err_free_dev; 586 587 return 0; 588 589 err_free_dev: 590 input_free_device(asus->inputdev); 591 return err; 592 } 593 594 static void asus_wmi_input_exit(struct asus_wmi *asus) 595 { 596 if (asus->inputdev) 597 input_unregister_device(asus->inputdev); 598 599 asus->inputdev = NULL; 600 } 601 602 /* Tablet mode ****************************************************************/ 603 604 static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus) 605 { 606 int result; 607 608 if (!asus->tablet_switch_dev_id) 609 return; 610 611 result = asus_wmi_get_devstate_simple(asus, asus->tablet_switch_dev_id); 612 if (result >= 0) 613 asus_wmi_tablet_sw_report(asus, result); 614 } 615 616 /* Charging mode, 1=Barrel, 2=USB ******************************************/ 617 static ssize_t charge_mode_show(struct device *dev, 618 struct device_attribute *attr, char *buf) 619 { 620 struct asus_wmi *asus = dev_get_drvdata(dev); 621 int result, value; 622 623 result = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CHARGE_MODE, &value); 624 if (result < 0) 625 return result; 626 627 return sysfs_emit(buf, "%d\n", value & 0xff); 628 } 629 630 static DEVICE_ATTR_RO(charge_mode); 631 632 /* dGPU ********************************************************************/ 633 static ssize_t dgpu_disable_show(struct device *dev, 634 struct device_attribute *attr, char *buf) 635 { 636 struct asus_wmi *asus = dev_get_drvdata(dev); 637 int result; 638 639 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU); 640 if (result < 0) 641 return result; 642 643 return sysfs_emit(buf, "%d\n", result); 644 } 645 646 /* 647 * A user may be required to store the value twice, typcial store first, then 648 * rescan PCI bus to activate power, then store a second time to save correctly. 649 * The reason for this is that an extra code path in the ACPI is enabled when 650 * the device and bus are powered. 651 */ 652 static ssize_t dgpu_disable_store(struct device *dev, 653 struct device_attribute *attr, 654 const char *buf, size_t count) 655 { 656 int result, err; 657 u32 disable; 658 659 struct asus_wmi *asus = dev_get_drvdata(dev); 660 661 result = kstrtou32(buf, 10, &disable); 662 if (result) 663 return result; 664 665 if (disable > 1) 666 return -EINVAL; 667 668 if (asus->gpu_mux_mode_available) { 669 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX); 670 if (result < 0) 671 /* An error here may signal greater failure of GPU handling */ 672 return result; 673 if (!result && disable) { 674 err = -ENODEV; 675 pr_warn("Can not disable dGPU when the MUX is in dGPU mode: %d\n", err); 676 return err; 677 } 678 } 679 680 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, disable, &result); 681 if (err) { 682 pr_warn("Failed to set dgpu disable: %d\n", err); 683 return err; 684 } 685 686 if (result > 1) { 687 pr_warn("Failed to set dgpu disable (result): 0x%x\n", result); 688 return -EIO; 689 } 690 691 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable"); 692 693 return count; 694 } 695 static DEVICE_ATTR_RW(dgpu_disable); 696 697 /* eGPU ********************************************************************/ 698 static ssize_t egpu_enable_show(struct device *dev, 699 struct device_attribute *attr, char *buf) 700 { 701 struct asus_wmi *asus = dev_get_drvdata(dev); 702 int result; 703 704 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU); 705 if (result < 0) 706 return result; 707 708 return sysfs_emit(buf, "%d\n", result); 709 } 710 711 /* The ACPI call to enable the eGPU also disables the internal dGPU */ 712 static ssize_t egpu_enable_store(struct device *dev, 713 struct device_attribute *attr, 714 const char *buf, size_t count) 715 { 716 int result, err; 717 u32 enable; 718 719 struct asus_wmi *asus = dev_get_drvdata(dev); 720 721 err = kstrtou32(buf, 10, &enable); 722 if (err) 723 return err; 724 725 if (enable > 1) 726 return -EINVAL; 727 728 err = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); 729 if (err < 0) { 730 pr_warn("Failed to get egpu connection status: %d\n", err); 731 return err; 732 } 733 734 if (asus->gpu_mux_mode_available) { 735 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX); 736 if (result < 0) { 737 /* An error here may signal greater failure of GPU handling */ 738 pr_warn("Failed to get gpu mux status: %d\n", result); 739 return result; 740 } 741 if (!result && enable) { 742 err = -ENODEV; 743 pr_warn("Can not enable eGPU when the MUX is in dGPU mode: %d\n", err); 744 return err; 745 } 746 } 747 748 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result); 749 if (err) { 750 pr_warn("Failed to set egpu state: %d\n", err); 751 return err; 752 } 753 754 if (result > 1) { 755 pr_warn("Failed to set egpu state (retval): 0x%x\n", result); 756 return -EIO; 757 } 758 759 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable"); 760 761 return count; 762 } 763 static DEVICE_ATTR_RW(egpu_enable); 764 765 /* Is eGPU connected? *********************************************************/ 766 static ssize_t egpu_connected_show(struct device *dev, 767 struct device_attribute *attr, char *buf) 768 { 769 struct asus_wmi *asus = dev_get_drvdata(dev); 770 int result; 771 772 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); 773 if (result < 0) 774 return result; 775 776 return sysfs_emit(buf, "%d\n", result); 777 } 778 779 static DEVICE_ATTR_RO(egpu_connected); 780 781 /* gpu mux switch *************************************************************/ 782 static ssize_t gpu_mux_mode_show(struct device *dev, 783 struct device_attribute *attr, char *buf) 784 { 785 struct asus_wmi *asus = dev_get_drvdata(dev); 786 int result; 787 788 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX); 789 if (result < 0) 790 return result; 791 792 return sysfs_emit(buf, "%d\n", result); 793 } 794 795 static ssize_t gpu_mux_mode_store(struct device *dev, 796 struct device_attribute *attr, 797 const char *buf, size_t count) 798 { 799 struct asus_wmi *asus = dev_get_drvdata(dev); 800 int result, err; 801 u32 optimus; 802 803 err = kstrtou32(buf, 10, &optimus); 804 if (err) 805 return err; 806 807 if (optimus > 1) 808 return -EINVAL; 809 810 if (asus->dgpu_disable_available) { 811 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU); 812 if (result < 0) 813 /* An error here may signal greater failure of GPU handling */ 814 return result; 815 if (result && !optimus) { 816 err = -ENODEV; 817 pr_warn("Can not switch MUX to dGPU mode when dGPU is disabled: %d\n", err); 818 return err; 819 } 820 } 821 822 if (asus->egpu_enable_available) { 823 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU); 824 if (result < 0) 825 /* An error here may signal greater failure of GPU handling */ 826 return result; 827 if (result && !optimus) { 828 err = -ENODEV; 829 pr_warn("Can not switch MUX to dGPU mode when eGPU is enabled: %d\n", err); 830 return err; 831 } 832 } 833 834 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result); 835 if (err) { 836 dev_err(dev, "Failed to set GPU MUX mode: %d\n", err); 837 return err; 838 } 839 /* !1 is considered a fail by ASUS */ 840 if (result != 1) { 841 dev_warn(dev, "Failed to set GPU MUX mode (result): 0x%x\n", result); 842 return -EIO; 843 } 844 845 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "gpu_mux_mode"); 846 847 return count; 848 } 849 static DEVICE_ATTR_RW(gpu_mux_mode); 850 851 /* TUF Laptop Keyboard RGB Modes **********************************************/ 852 static ssize_t kbd_rgb_mode_store(struct device *dev, 853 struct device_attribute *attr, 854 const char *buf, size_t count) 855 { 856 u32 cmd, mode, r, g, b, speed; 857 int err; 858 859 if (sscanf(buf, "%d %d %d %d %d %d", &cmd, &mode, &r, &g, &b, &speed) != 6) 860 return -EINVAL; 861 862 /* B3 is set and B4 is save to BIOS */ 863 switch (cmd) { 864 case 0: 865 cmd = 0xb3; 866 break; 867 case 1: 868 cmd = 0xb4; 869 break; 870 default: 871 return -EINVAL; 872 } 873 874 /* These are the known usable modes across all TUF/ROG */ 875 if (mode >= 12 || mode == 9) 876 mode = 10; 877 878 switch (speed) { 879 case 0: 880 speed = 0xe1; 881 break; 882 case 1: 883 speed = 0xeb; 884 break; 885 case 2: 886 speed = 0xf5; 887 break; 888 default: 889 speed = 0xeb; 890 } 891 892 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE, 893 cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL); 894 if (err) 895 return err; 896 897 return count; 898 } 899 static DEVICE_ATTR_WO(kbd_rgb_mode); 900 901 static ssize_t kbd_rgb_mode_index_show(struct device *device, 902 struct device_attribute *attr, 903 char *buf) 904 { 905 return sysfs_emit(buf, "%s\n", "cmd mode red green blue speed"); 906 } 907 static DEVICE_ATTR_RO(kbd_rgb_mode_index); 908 909 static struct attribute *kbd_rgb_mode_attrs[] = { 910 &dev_attr_kbd_rgb_mode.attr, 911 &dev_attr_kbd_rgb_mode_index.attr, 912 NULL, 913 }; 914 915 static const struct attribute_group kbd_rgb_mode_group = { 916 .attrs = kbd_rgb_mode_attrs, 917 }; 918 919 /* TUF Laptop Keyboard RGB State **********************************************/ 920 static ssize_t kbd_rgb_state_store(struct device *dev, 921 struct device_attribute *attr, 922 const char *buf, size_t count) 923 { 924 u32 flags, cmd, boot, awake, sleep, keyboard; 925 int err; 926 927 if (sscanf(buf, "%d %d %d %d %d", &cmd, &boot, &awake, &sleep, &keyboard) != 5) 928 return -EINVAL; 929 930 if (cmd) 931 cmd = BIT(2); 932 933 flags = 0; 934 if (boot) 935 flags |= BIT(1); 936 if (awake) 937 flags |= BIT(3); 938 if (sleep) 939 flags |= BIT(5); 940 if (keyboard) 941 flags |= BIT(7); 942 943 /* 0xbd is the required default arg0 for the method. Nothing happens otherwise */ 944 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, 945 ASUS_WMI_DEVID_TUF_RGB_STATE, 0xbd | cmd << 8 | (flags << 16), 0, NULL); 946 if (err) 947 return err; 948 949 return count; 950 } 951 static DEVICE_ATTR_WO(kbd_rgb_state); 952 953 static ssize_t kbd_rgb_state_index_show(struct device *device, 954 struct device_attribute *attr, 955 char *buf) 956 { 957 return sysfs_emit(buf, "%s\n", "cmd boot awake sleep keyboard"); 958 } 959 static DEVICE_ATTR_RO(kbd_rgb_state_index); 960 961 static struct attribute *kbd_rgb_state_attrs[] = { 962 &dev_attr_kbd_rgb_state.attr, 963 &dev_attr_kbd_rgb_state_index.attr, 964 NULL, 965 }; 966 967 static const struct attribute_group kbd_rgb_state_group = { 968 .attrs = kbd_rgb_state_attrs, 969 }; 970 971 static const struct attribute_group *kbd_rgb_mode_groups[] = { 972 NULL, 973 NULL, 974 NULL, 975 }; 976 977 /* Tunable: PPT: Intel=PL1, AMD=SPPT *****************************************/ 978 static ssize_t ppt_pl2_sppt_store(struct device *dev, 979 struct device_attribute *attr, 980 const char *buf, size_t count) 981 { 982 int result, err; 983 u32 value; 984 985 struct asus_wmi *asus = dev_get_drvdata(dev); 986 987 result = kstrtou32(buf, 10, &value); 988 if (result) 989 return result; 990 991 if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX) 992 return -EINVAL; 993 994 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PL2_SPPT, value, &result); 995 if (err) { 996 pr_warn("Failed to set ppt_pl2_sppt: %d\n", err); 997 return err; 998 } 999 1000 if (result > 1) { 1001 pr_warn("Failed to set ppt_pl2_sppt (result): 0x%x\n", result); 1002 return -EIO; 1003 } 1004 1005 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl2_sppt"); 1006 1007 return count; 1008 } 1009 static DEVICE_ATTR_WO(ppt_pl2_sppt); 1010 1011 /* Tunable: PPT, Intel=PL1, AMD=SPL ******************************************/ 1012 static ssize_t ppt_pl1_spl_store(struct device *dev, 1013 struct device_attribute *attr, 1014 const char *buf, size_t count) 1015 { 1016 int result, err; 1017 u32 value; 1018 1019 struct asus_wmi *asus = dev_get_drvdata(dev); 1020 1021 result = kstrtou32(buf, 10, &value); 1022 if (result) 1023 return result; 1024 1025 if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX) 1026 return -EINVAL; 1027 1028 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PL1_SPL, value, &result); 1029 if (err) { 1030 pr_warn("Failed to set ppt_pl1_spl: %d\n", err); 1031 return err; 1032 } 1033 1034 if (result > 1) { 1035 pr_warn("Failed to set ppt_pl1_spl (result): 0x%x\n", result); 1036 return -EIO; 1037 } 1038 1039 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl1_spl"); 1040 1041 return count; 1042 } 1043 static DEVICE_ATTR_WO(ppt_pl1_spl); 1044 1045 /* Tunable: PPT APU FPPT ******************************************************/ 1046 static ssize_t ppt_fppt_store(struct device *dev, 1047 struct device_attribute *attr, 1048 const char *buf, size_t count) 1049 { 1050 int result, err; 1051 u32 value; 1052 1053 struct asus_wmi *asus = dev_get_drvdata(dev); 1054 1055 result = kstrtou32(buf, 10, &value); 1056 if (result) 1057 return result; 1058 1059 if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX) 1060 return -EINVAL; 1061 1062 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_FPPT, value, &result); 1063 if (err) { 1064 pr_warn("Failed to set ppt_fppt: %d\n", err); 1065 return err; 1066 } 1067 1068 if (result > 1) { 1069 pr_warn("Failed to set ppt_fppt (result): 0x%x\n", result); 1070 return -EIO; 1071 } 1072 1073 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_fpu_sppt"); 1074 1075 return count; 1076 } 1077 static DEVICE_ATTR_WO(ppt_fppt); 1078 1079 /* Tunable: PPT APU SPPT *****************************************************/ 1080 static ssize_t ppt_apu_sppt_store(struct device *dev, 1081 struct device_attribute *attr, 1082 const char *buf, size_t count) 1083 { 1084 int result, err; 1085 u32 value; 1086 1087 struct asus_wmi *asus = dev_get_drvdata(dev); 1088 1089 result = kstrtou32(buf, 10, &value); 1090 if (result) 1091 return result; 1092 1093 if (value < PPT_CPU_MIN || value > PPT_CPU_MAX) 1094 return -EINVAL; 1095 1096 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_APU_SPPT, value, &result); 1097 if (err) { 1098 pr_warn("Failed to set ppt_apu_sppt: %d\n", err); 1099 return err; 1100 } 1101 1102 if (result > 1) { 1103 pr_warn("Failed to set ppt_apu_sppt (result): 0x%x\n", result); 1104 return -EIO; 1105 } 1106 1107 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_apu_sppt"); 1108 1109 return count; 1110 } 1111 static DEVICE_ATTR_WO(ppt_apu_sppt); 1112 1113 /* Tunable: PPT platform SPPT ************************************************/ 1114 static ssize_t ppt_platform_sppt_store(struct device *dev, 1115 struct device_attribute *attr, 1116 const char *buf, size_t count) 1117 { 1118 int result, err; 1119 u32 value; 1120 1121 struct asus_wmi *asus = dev_get_drvdata(dev); 1122 1123 result = kstrtou32(buf, 10, &value); 1124 if (result) 1125 return result; 1126 1127 if (value < PPT_CPU_MIN || value > PPT_CPU_MAX) 1128 return -EINVAL; 1129 1130 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PLAT_SPPT, value, &result); 1131 if (err) { 1132 pr_warn("Failed to set ppt_platform_sppt: %d\n", err); 1133 return err; 1134 } 1135 1136 if (result > 1) { 1137 pr_warn("Failed to set ppt_platform_sppt (result): 0x%x\n", result); 1138 return -EIO; 1139 } 1140 1141 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_platform_sppt"); 1142 1143 return count; 1144 } 1145 static DEVICE_ATTR_WO(ppt_platform_sppt); 1146 1147 /* Tunable: NVIDIA dynamic boost *********************************************/ 1148 static ssize_t nv_dynamic_boost_store(struct device *dev, 1149 struct device_attribute *attr, 1150 const char *buf, size_t count) 1151 { 1152 int result, err; 1153 u32 value; 1154 1155 struct asus_wmi *asus = dev_get_drvdata(dev); 1156 1157 result = kstrtou32(buf, 10, &value); 1158 if (result) 1159 return result; 1160 1161 if (value < NVIDIA_BOOST_MIN || value > NVIDIA_BOOST_MAX) 1162 return -EINVAL; 1163 1164 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_NV_DYN_BOOST, value, &result); 1165 if (err) { 1166 pr_warn("Failed to set nv_dynamic_boost: %d\n", err); 1167 return err; 1168 } 1169 1170 if (result > 1) { 1171 pr_warn("Failed to set nv_dynamic_boost (result): 0x%x\n", result); 1172 return -EIO; 1173 } 1174 1175 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_dynamic_boost"); 1176 1177 return count; 1178 } 1179 static DEVICE_ATTR_WO(nv_dynamic_boost); 1180 1181 /* Tunable: NVIDIA temperature target ****************************************/ 1182 static ssize_t nv_temp_target_store(struct device *dev, 1183 struct device_attribute *attr, 1184 const char *buf, size_t count) 1185 { 1186 int result, err; 1187 u32 value; 1188 1189 struct asus_wmi *asus = dev_get_drvdata(dev); 1190 1191 result = kstrtou32(buf, 10, &value); 1192 if (result) 1193 return result; 1194 1195 if (value < NVIDIA_TEMP_MIN || value > NVIDIA_TEMP_MAX) 1196 return -EINVAL; 1197 1198 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_NV_THERM_TARGET, value, &result); 1199 if (err) { 1200 pr_warn("Failed to set nv_temp_target: %d\n", err); 1201 return err; 1202 } 1203 1204 if (result > 1) { 1205 pr_warn("Failed to set nv_temp_target (result): 0x%x\n", result); 1206 return -EIO; 1207 } 1208 1209 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_temp_target"); 1210 1211 return count; 1212 } 1213 static DEVICE_ATTR_WO(nv_temp_target); 1214 1215 /* Battery ********************************************************************/ 1216 1217 /* The battery maximum charging percentage */ 1218 static int charge_end_threshold; 1219 1220 static ssize_t charge_control_end_threshold_store(struct device *dev, 1221 struct device_attribute *attr, 1222 const char *buf, size_t count) 1223 { 1224 int value, ret, rv; 1225 1226 ret = kstrtouint(buf, 10, &value); 1227 if (ret) 1228 return ret; 1229 1230 if (value < 0 || value > 100) 1231 return -EINVAL; 1232 1233 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv); 1234 if (ret) 1235 return ret; 1236 1237 if (rv != 1) 1238 return -EIO; 1239 1240 /* There isn't any method in the DSDT to read the threshold, so we 1241 * save the threshold. 1242 */ 1243 charge_end_threshold = value; 1244 return count; 1245 } 1246 1247 static ssize_t charge_control_end_threshold_show(struct device *device, 1248 struct device_attribute *attr, 1249 char *buf) 1250 { 1251 return sysfs_emit(buf, "%d\n", charge_end_threshold); 1252 } 1253 1254 static DEVICE_ATTR_RW(charge_control_end_threshold); 1255 1256 static int asus_wmi_battery_add(struct power_supply *battery, struct acpi_battery_hook *hook) 1257 { 1258 /* The WMI method does not provide a way to specific a battery, so we 1259 * just assume it is the first battery. 1260 * Note: On some newer ASUS laptops (Zenbook UM431DA), the primary/first 1261 * battery is named BATT. 1262 */ 1263 if (strcmp(battery->desc->name, "BAT0") != 0 && 1264 strcmp(battery->desc->name, "BAT1") != 0 && 1265 strcmp(battery->desc->name, "BATC") != 0 && 1266 strcmp(battery->desc->name, "BATT") != 0) 1267 return -ENODEV; 1268 1269 if (device_create_file(&battery->dev, 1270 &dev_attr_charge_control_end_threshold)) 1271 return -ENODEV; 1272 1273 /* The charge threshold is only reset when the system is power cycled, 1274 * and we can't get the current threshold so let set it to 100% when 1275 * a battery is added. 1276 */ 1277 asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL); 1278 charge_end_threshold = 100; 1279 1280 return 0; 1281 } 1282 1283 static int asus_wmi_battery_remove(struct power_supply *battery, struct acpi_battery_hook *hook) 1284 { 1285 device_remove_file(&battery->dev, 1286 &dev_attr_charge_control_end_threshold); 1287 return 0; 1288 } 1289 1290 static struct acpi_battery_hook battery_hook = { 1291 .add_battery = asus_wmi_battery_add, 1292 .remove_battery = asus_wmi_battery_remove, 1293 .name = "ASUS Battery Extension", 1294 }; 1295 1296 static void asus_wmi_battery_init(struct asus_wmi *asus) 1297 { 1298 asus->battery_rsoc_available = false; 1299 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) { 1300 asus->battery_rsoc_available = true; 1301 battery_hook_register(&battery_hook); 1302 } 1303 } 1304 1305 static void asus_wmi_battery_exit(struct asus_wmi *asus) 1306 { 1307 if (asus->battery_rsoc_available) 1308 battery_hook_unregister(&battery_hook); 1309 } 1310 1311 /* LEDs ***********************************************************************/ 1312 1313 /* 1314 * These functions actually update the LED's, and are called from a 1315 * workqueue. By doing this as separate work rather than when the LED 1316 * subsystem asks, we avoid messing with the Asus ACPI stuff during a 1317 * potentially bad time, such as a timer interrupt. 1318 */ 1319 static void tpd_led_update(struct work_struct *work) 1320 { 1321 int ctrl_param; 1322 struct asus_wmi *asus; 1323 1324 asus = container_of(work, struct asus_wmi, tpd_led_work); 1325 1326 ctrl_param = asus->tpd_led_wk; 1327 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL); 1328 } 1329 1330 static void tpd_led_set(struct led_classdev *led_cdev, 1331 enum led_brightness value) 1332 { 1333 struct asus_wmi *asus; 1334 1335 asus = container_of(led_cdev, struct asus_wmi, tpd_led); 1336 1337 asus->tpd_led_wk = !!value; 1338 queue_work(asus->led_workqueue, &asus->tpd_led_work); 1339 } 1340 1341 static int read_tpd_led_state(struct asus_wmi *asus) 1342 { 1343 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED); 1344 } 1345 1346 static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) 1347 { 1348 struct asus_wmi *asus; 1349 1350 asus = container_of(led_cdev, struct asus_wmi, tpd_led); 1351 1352 return read_tpd_led_state(asus); 1353 } 1354 1355 static void kbd_led_update(struct asus_wmi *asus) 1356 { 1357 int ctrl_param = 0; 1358 1359 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F); 1360 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL); 1361 } 1362 1363 static int kbd_led_read(struct asus_wmi *asus, int *level, int *env) 1364 { 1365 int retval; 1366 1367 /* 1368 * bits 0-2: level 1369 * bit 7: light on/off 1370 * bit 8-10: environment (0: dark, 1: normal, 2: light) 1371 * bit 17: status unknown 1372 */ 1373 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT, 1374 0xFFFF); 1375 1376 /* Unknown status is considered as off */ 1377 if (retval == 0x8000) 1378 retval = 0; 1379 1380 if (retval < 0) 1381 return retval; 1382 1383 if (level) 1384 *level = retval & 0x7F; 1385 if (env) 1386 *env = (retval >> 8) & 0x7F; 1387 return 0; 1388 } 1389 1390 static void do_kbd_led_set(struct led_classdev *led_cdev, int value) 1391 { 1392 struct asus_wmi *asus; 1393 int max_level; 1394 1395 asus = container_of(led_cdev, struct asus_wmi, kbd_led); 1396 max_level = asus->kbd_led.max_brightness; 1397 1398 asus->kbd_led_wk = clamp_val(value, 0, max_level); 1399 kbd_led_update(asus); 1400 } 1401 1402 static void kbd_led_set(struct led_classdev *led_cdev, 1403 enum led_brightness value) 1404 { 1405 /* Prevent disabling keyboard backlight on module unregister */ 1406 if (led_cdev->flags & LED_UNREGISTERING) 1407 return; 1408 1409 do_kbd_led_set(led_cdev, value); 1410 } 1411 1412 static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value) 1413 { 1414 struct led_classdev *led_cdev = &asus->kbd_led; 1415 1416 do_kbd_led_set(led_cdev, value); 1417 led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk); 1418 } 1419 1420 static enum led_brightness kbd_led_get(struct led_classdev *led_cdev) 1421 { 1422 struct asus_wmi *asus; 1423 int retval, value; 1424 1425 asus = container_of(led_cdev, struct asus_wmi, kbd_led); 1426 1427 retval = kbd_led_read(asus, &value, NULL); 1428 if (retval < 0) 1429 return retval; 1430 1431 return value; 1432 } 1433 1434 static int wlan_led_unknown_state(struct asus_wmi *asus) 1435 { 1436 u32 result; 1437 1438 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); 1439 1440 return result & ASUS_WMI_DSTS_UNKNOWN_BIT; 1441 } 1442 1443 static void wlan_led_update(struct work_struct *work) 1444 { 1445 int ctrl_param; 1446 struct asus_wmi *asus; 1447 1448 asus = container_of(work, struct asus_wmi, wlan_led_work); 1449 1450 ctrl_param = asus->wlan_led_wk; 1451 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL); 1452 } 1453 1454 static void wlan_led_set(struct led_classdev *led_cdev, 1455 enum led_brightness value) 1456 { 1457 struct asus_wmi *asus; 1458 1459 asus = container_of(led_cdev, struct asus_wmi, wlan_led); 1460 1461 asus->wlan_led_wk = !!value; 1462 queue_work(asus->led_workqueue, &asus->wlan_led_work); 1463 } 1464 1465 static enum led_brightness wlan_led_get(struct led_classdev *led_cdev) 1466 { 1467 struct asus_wmi *asus; 1468 u32 result; 1469 1470 asus = container_of(led_cdev, struct asus_wmi, wlan_led); 1471 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result); 1472 1473 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK; 1474 } 1475 1476 static void lightbar_led_update(struct work_struct *work) 1477 { 1478 struct asus_wmi *asus; 1479 int ctrl_param; 1480 1481 asus = container_of(work, struct asus_wmi, lightbar_led_work); 1482 1483 ctrl_param = asus->lightbar_led_wk; 1484 asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL); 1485 } 1486 1487 static void lightbar_led_set(struct led_classdev *led_cdev, 1488 enum led_brightness value) 1489 { 1490 struct asus_wmi *asus; 1491 1492 asus = container_of(led_cdev, struct asus_wmi, lightbar_led); 1493 1494 asus->lightbar_led_wk = !!value; 1495 queue_work(asus->led_workqueue, &asus->lightbar_led_work); 1496 } 1497 1498 static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev) 1499 { 1500 struct asus_wmi *asus; 1501 u32 result; 1502 1503 asus = container_of(led_cdev, struct asus_wmi, lightbar_led); 1504 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result); 1505 1506 return result & ASUS_WMI_DSTS_LIGHTBAR_MASK; 1507 } 1508 1509 static int micmute_led_set(struct led_classdev *led_cdev, 1510 enum led_brightness brightness) 1511 { 1512 int state = brightness != LED_OFF; 1513 int err; 1514 1515 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL); 1516 return err < 0 ? err : 0; 1517 } 1518 1519 static void asus_wmi_led_exit(struct asus_wmi *asus) 1520 { 1521 led_classdev_unregister(&asus->kbd_led); 1522 led_classdev_unregister(&asus->tpd_led); 1523 led_classdev_unregister(&asus->wlan_led); 1524 led_classdev_unregister(&asus->lightbar_led); 1525 led_classdev_unregister(&asus->micmute_led); 1526 1527 if (asus->led_workqueue) 1528 destroy_workqueue(asus->led_workqueue); 1529 } 1530 1531 static int asus_wmi_led_init(struct asus_wmi *asus) 1532 { 1533 int rv = 0, num_rgb_groups = 0, led_val; 1534 1535 if (asus->kbd_rgb_mode_available) 1536 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group; 1537 if (asus->kbd_rgb_state_available) 1538 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group; 1539 1540 asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); 1541 if (!asus->led_workqueue) 1542 return -ENOMEM; 1543 1544 if (read_tpd_led_state(asus) >= 0) { 1545 INIT_WORK(&asus->tpd_led_work, tpd_led_update); 1546 1547 asus->tpd_led.name = "asus::touchpad"; 1548 asus->tpd_led.brightness_set = tpd_led_set; 1549 asus->tpd_led.brightness_get = tpd_led_get; 1550 asus->tpd_led.max_brightness = 1; 1551 1552 rv = led_classdev_register(&asus->platform_device->dev, 1553 &asus->tpd_led); 1554 if (rv) 1555 goto error; 1556 } 1557 1558 if (!kbd_led_read(asus, &led_val, NULL)) { 1559 asus->kbd_led_wk = led_val; 1560 asus->kbd_led.name = "asus::kbd_backlight"; 1561 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED; 1562 asus->kbd_led.brightness_set = kbd_led_set; 1563 asus->kbd_led.brightness_get = kbd_led_get; 1564 asus->kbd_led.max_brightness = 3; 1565 1566 if (num_rgb_groups != 0) 1567 asus->kbd_led.groups = kbd_rgb_mode_groups; 1568 1569 rv = led_classdev_register(&asus->platform_device->dev, 1570 &asus->kbd_led); 1571 if (rv) 1572 goto error; 1573 } 1574 1575 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED) 1576 && (asus->driver->quirks->wapf > 0)) { 1577 INIT_WORK(&asus->wlan_led_work, wlan_led_update); 1578 1579 asus->wlan_led.name = "asus::wlan"; 1580 asus->wlan_led.brightness_set = wlan_led_set; 1581 if (!wlan_led_unknown_state(asus)) 1582 asus->wlan_led.brightness_get = wlan_led_get; 1583 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME; 1584 asus->wlan_led.max_brightness = 1; 1585 asus->wlan_led.default_trigger = "asus-wlan"; 1586 1587 rv = led_classdev_register(&asus->platform_device->dev, 1588 &asus->wlan_led); 1589 if (rv) 1590 goto error; 1591 } 1592 1593 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) { 1594 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update); 1595 1596 asus->lightbar_led.name = "asus::lightbar"; 1597 asus->lightbar_led.brightness_set = lightbar_led_set; 1598 asus->lightbar_led.brightness_get = lightbar_led_get; 1599 asus->lightbar_led.max_brightness = 1; 1600 1601 rv = led_classdev_register(&asus->platform_device->dev, 1602 &asus->lightbar_led); 1603 } 1604 1605 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) { 1606 asus->micmute_led.name = "platform::micmute"; 1607 asus->micmute_led.max_brightness = 1; 1608 asus->micmute_led.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE); 1609 asus->micmute_led.brightness_set_blocking = micmute_led_set; 1610 asus->micmute_led.default_trigger = "audio-micmute"; 1611 1612 rv = led_classdev_register(&asus->platform_device->dev, 1613 &asus->micmute_led); 1614 if (rv) 1615 goto error; 1616 } 1617 1618 error: 1619 if (rv) 1620 asus_wmi_led_exit(asus); 1621 1622 return rv; 1623 } 1624 1625 /* RF *************************************************************************/ 1626 1627 /* 1628 * PCI hotplug (for wlan rfkill) 1629 */ 1630 static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus) 1631 { 1632 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); 1633 1634 if (result < 0) 1635 return false; 1636 return !result; 1637 } 1638 1639 static void asus_rfkill_hotplug(struct asus_wmi *asus) 1640 { 1641 struct pci_dev *dev; 1642 struct pci_bus *bus; 1643 bool blocked; 1644 bool absent; 1645 u32 l; 1646 1647 mutex_lock(&asus->wmi_lock); 1648 blocked = asus_wlan_rfkill_blocked(asus); 1649 mutex_unlock(&asus->wmi_lock); 1650 1651 mutex_lock(&asus->hotplug_lock); 1652 pci_lock_rescan_remove(); 1653 1654 if (asus->wlan.rfkill) 1655 rfkill_set_sw_state(asus->wlan.rfkill, blocked); 1656 1657 if (asus->hotplug_slot.ops) { 1658 bus = pci_find_bus(0, 1); 1659 if (!bus) { 1660 pr_warn("Unable to find PCI bus 1?\n"); 1661 goto out_unlock; 1662 } 1663 1664 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { 1665 pr_err("Unable to read PCI config space?\n"); 1666 goto out_unlock; 1667 } 1668 absent = (l == 0xffffffff); 1669 1670 if (blocked != absent) { 1671 pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n", 1672 blocked ? "blocked" : "unblocked", 1673 absent ? "absent" : "present"); 1674 pr_warn("skipped wireless hotplug as probably inappropriate for this model\n"); 1675 goto out_unlock; 1676 } 1677 1678 if (!blocked) { 1679 dev = pci_get_slot(bus, 0); 1680 if (dev) { 1681 /* Device already present */ 1682 pci_dev_put(dev); 1683 goto out_unlock; 1684 } 1685 dev = pci_scan_single_device(bus, 0); 1686 if (dev) { 1687 pci_bus_assign_resources(bus); 1688 pci_bus_add_device(dev); 1689 } 1690 } else { 1691 dev = pci_get_slot(bus, 0); 1692 if (dev) { 1693 pci_stop_and_remove_bus_device(dev); 1694 pci_dev_put(dev); 1695 } 1696 } 1697 } 1698 1699 out_unlock: 1700 pci_unlock_rescan_remove(); 1701 mutex_unlock(&asus->hotplug_lock); 1702 } 1703 1704 static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data) 1705 { 1706 struct asus_wmi *asus = data; 1707 1708 if (event != ACPI_NOTIFY_BUS_CHECK) 1709 return; 1710 1711 /* 1712 * We can't call directly asus_rfkill_hotplug because most 1713 * of the time WMBC is still being executed and not reetrant. 1714 * There is currently no way to tell ACPICA that we want this 1715 * method to be serialized, we schedule a asus_rfkill_hotplug 1716 * call later, in a safer context. 1717 */ 1718 queue_work(asus->hotplug_workqueue, &asus->hotplug_work); 1719 } 1720 1721 static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node) 1722 { 1723 acpi_status status; 1724 acpi_handle handle; 1725 1726 status = acpi_get_handle(NULL, node, &handle); 1727 if (ACPI_FAILURE(status)) 1728 return -ENODEV; 1729 1730 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, 1731 asus_rfkill_notify, asus); 1732 if (ACPI_FAILURE(status)) 1733 pr_warn("Failed to register notify on %s\n", node); 1734 1735 return 0; 1736 } 1737 1738 static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node) 1739 { 1740 acpi_status status = AE_OK; 1741 acpi_handle handle; 1742 1743 status = acpi_get_handle(NULL, node, &handle); 1744 if (ACPI_FAILURE(status)) 1745 return; 1746 1747 status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY, 1748 asus_rfkill_notify); 1749 if (ACPI_FAILURE(status)) 1750 pr_err("Error removing rfkill notify handler %s\n", node); 1751 } 1752 1753 static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot, 1754 u8 *value) 1755 { 1756 struct asus_wmi *asus = container_of(hotplug_slot, 1757 struct asus_wmi, hotplug_slot); 1758 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); 1759 1760 if (result < 0) 1761 return result; 1762 1763 *value = !!result; 1764 return 0; 1765 } 1766 1767 static const struct hotplug_slot_ops asus_hotplug_slot_ops = { 1768 .get_adapter_status = asus_get_adapter_status, 1769 .get_power_status = asus_get_adapter_status, 1770 }; 1771 1772 static void asus_hotplug_work(struct work_struct *work) 1773 { 1774 struct asus_wmi *asus; 1775 1776 asus = container_of(work, struct asus_wmi, hotplug_work); 1777 asus_rfkill_hotplug(asus); 1778 } 1779 1780 static int asus_setup_pci_hotplug(struct asus_wmi *asus) 1781 { 1782 int ret = -ENOMEM; 1783 struct pci_bus *bus = pci_find_bus(0, 1); 1784 1785 if (!bus) { 1786 pr_err("Unable to find wifi PCI bus\n"); 1787 return -ENODEV; 1788 } 1789 1790 asus->hotplug_workqueue = 1791 create_singlethread_workqueue("hotplug_workqueue"); 1792 if (!asus->hotplug_workqueue) 1793 goto error_workqueue; 1794 1795 INIT_WORK(&asus->hotplug_work, asus_hotplug_work); 1796 1797 asus->hotplug_slot.ops = &asus_hotplug_slot_ops; 1798 1799 ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi"); 1800 if (ret) { 1801 pr_err("Unable to register hotplug slot - %d\n", ret); 1802 goto error_register; 1803 } 1804 1805 return 0; 1806 1807 error_register: 1808 asus->hotplug_slot.ops = NULL; 1809 destroy_workqueue(asus->hotplug_workqueue); 1810 error_workqueue: 1811 return ret; 1812 } 1813 1814 /* 1815 * Rfkill devices 1816 */ 1817 static int asus_rfkill_set(void *data, bool blocked) 1818 { 1819 struct asus_rfkill *priv = data; 1820 u32 ctrl_param = !blocked; 1821 u32 dev_id = priv->dev_id; 1822 1823 /* 1824 * If the user bit is set, BIOS can't set and record the wlan status, 1825 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED 1826 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN). 1827 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED 1828 * while setting the wlan status through WMI. 1829 * This is also the behavior that windows app will do. 1830 */ 1831 if ((dev_id == ASUS_WMI_DEVID_WLAN) && 1832 priv->asus->driver->wlan_ctrl_by_user) 1833 dev_id = ASUS_WMI_DEVID_WLAN_LED; 1834 1835 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL); 1836 } 1837 1838 static void asus_rfkill_query(struct rfkill *rfkill, void *data) 1839 { 1840 struct asus_rfkill *priv = data; 1841 int result; 1842 1843 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id); 1844 1845 if (result < 0) 1846 return; 1847 1848 rfkill_set_sw_state(priv->rfkill, !result); 1849 } 1850 1851 static int asus_rfkill_wlan_set(void *data, bool blocked) 1852 { 1853 struct asus_rfkill *priv = data; 1854 struct asus_wmi *asus = priv->asus; 1855 int ret; 1856 1857 /* 1858 * This handler is enabled only if hotplug is enabled. 1859 * In this case, the asus_wmi_set_devstate() will 1860 * trigger a wmi notification and we need to wait 1861 * this call to finish before being able to call 1862 * any wmi method 1863 */ 1864 mutex_lock(&asus->wmi_lock); 1865 ret = asus_rfkill_set(data, blocked); 1866 mutex_unlock(&asus->wmi_lock); 1867 return ret; 1868 } 1869 1870 static const struct rfkill_ops asus_rfkill_wlan_ops = { 1871 .set_block = asus_rfkill_wlan_set, 1872 .query = asus_rfkill_query, 1873 }; 1874 1875 static const struct rfkill_ops asus_rfkill_ops = { 1876 .set_block = asus_rfkill_set, 1877 .query = asus_rfkill_query, 1878 }; 1879 1880 static int asus_new_rfkill(struct asus_wmi *asus, 1881 struct asus_rfkill *arfkill, 1882 const char *name, enum rfkill_type type, int dev_id) 1883 { 1884 int result = asus_wmi_get_devstate_simple(asus, dev_id); 1885 struct rfkill **rfkill = &arfkill->rfkill; 1886 1887 if (result < 0) 1888 return result; 1889 1890 arfkill->dev_id = dev_id; 1891 arfkill->asus = asus; 1892 1893 if (dev_id == ASUS_WMI_DEVID_WLAN && 1894 asus->driver->quirks->hotplug_wireless) 1895 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, 1896 &asus_rfkill_wlan_ops, arfkill); 1897 else 1898 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, 1899 &asus_rfkill_ops, arfkill); 1900 1901 if (!*rfkill) 1902 return -EINVAL; 1903 1904 if ((dev_id == ASUS_WMI_DEVID_WLAN) && 1905 (asus->driver->quirks->wapf > 0)) 1906 rfkill_set_led_trigger_name(*rfkill, "asus-wlan"); 1907 1908 rfkill_init_sw_state(*rfkill, !result); 1909 result = rfkill_register(*rfkill); 1910 if (result) { 1911 rfkill_destroy(*rfkill); 1912 *rfkill = NULL; 1913 return result; 1914 } 1915 return 0; 1916 } 1917 1918 static void asus_wmi_rfkill_exit(struct asus_wmi *asus) 1919 { 1920 if (asus->driver->wlan_ctrl_by_user && ashs_present()) 1921 return; 1922 1923 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); 1924 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); 1925 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); 1926 if (asus->wlan.rfkill) { 1927 rfkill_unregister(asus->wlan.rfkill); 1928 rfkill_destroy(asus->wlan.rfkill); 1929 asus->wlan.rfkill = NULL; 1930 } 1931 /* 1932 * Refresh pci hotplug in case the rfkill state was changed after 1933 * asus_unregister_rfkill_notifier() 1934 */ 1935 asus_rfkill_hotplug(asus); 1936 if (asus->hotplug_slot.ops) 1937 pci_hp_deregister(&asus->hotplug_slot); 1938 if (asus->hotplug_workqueue) 1939 destroy_workqueue(asus->hotplug_workqueue); 1940 1941 if (asus->bluetooth.rfkill) { 1942 rfkill_unregister(asus->bluetooth.rfkill); 1943 rfkill_destroy(asus->bluetooth.rfkill); 1944 asus->bluetooth.rfkill = NULL; 1945 } 1946 if (asus->wimax.rfkill) { 1947 rfkill_unregister(asus->wimax.rfkill); 1948 rfkill_destroy(asus->wimax.rfkill); 1949 asus->wimax.rfkill = NULL; 1950 } 1951 if (asus->wwan3g.rfkill) { 1952 rfkill_unregister(asus->wwan3g.rfkill); 1953 rfkill_destroy(asus->wwan3g.rfkill); 1954 asus->wwan3g.rfkill = NULL; 1955 } 1956 if (asus->gps.rfkill) { 1957 rfkill_unregister(asus->gps.rfkill); 1958 rfkill_destroy(asus->gps.rfkill); 1959 asus->gps.rfkill = NULL; 1960 } 1961 if (asus->uwb.rfkill) { 1962 rfkill_unregister(asus->uwb.rfkill); 1963 rfkill_destroy(asus->uwb.rfkill); 1964 asus->uwb.rfkill = NULL; 1965 } 1966 } 1967 1968 static int asus_wmi_rfkill_init(struct asus_wmi *asus) 1969 { 1970 int result = 0; 1971 1972 mutex_init(&asus->hotplug_lock); 1973 mutex_init(&asus->wmi_lock); 1974 1975 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan", 1976 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN); 1977 1978 if (result && result != -ENODEV) 1979 goto exit; 1980 1981 result = asus_new_rfkill(asus, &asus->bluetooth, 1982 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH, 1983 ASUS_WMI_DEVID_BLUETOOTH); 1984 1985 if (result && result != -ENODEV) 1986 goto exit; 1987 1988 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax", 1989 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX); 1990 1991 if (result && result != -ENODEV) 1992 goto exit; 1993 1994 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g", 1995 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G); 1996 1997 if (result && result != -ENODEV) 1998 goto exit; 1999 2000 result = asus_new_rfkill(asus, &asus->gps, "asus-gps", 2001 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS); 2002 2003 if (result && result != -ENODEV) 2004 goto exit; 2005 2006 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb", 2007 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB); 2008 2009 if (result && result != -ENODEV) 2010 goto exit; 2011 2012 if (!asus->driver->quirks->hotplug_wireless) 2013 goto exit; 2014 2015 result = asus_setup_pci_hotplug(asus); 2016 /* 2017 * If we get -EBUSY then something else is handling the PCI hotplug - 2018 * don't fail in this case 2019 */ 2020 if (result == -EBUSY) 2021 result = 0; 2022 2023 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); 2024 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); 2025 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); 2026 /* 2027 * Refresh pci hotplug in case the rfkill state was changed during 2028 * setup. 2029 */ 2030 asus_rfkill_hotplug(asus); 2031 2032 exit: 2033 if (result && result != -ENODEV) 2034 asus_wmi_rfkill_exit(asus); 2035 2036 if (result == -ENODEV) 2037 result = 0; 2038 2039 return result; 2040 } 2041 2042 /* Panel Overdrive ************************************************************/ 2043 static ssize_t panel_od_show(struct device *dev, 2044 struct device_attribute *attr, char *buf) 2045 { 2046 struct asus_wmi *asus = dev_get_drvdata(dev); 2047 int result; 2048 2049 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_PANEL_OD); 2050 if (result < 0) 2051 return result; 2052 2053 return sysfs_emit(buf, "%d\n", result); 2054 } 2055 2056 static ssize_t panel_od_store(struct device *dev, 2057 struct device_attribute *attr, 2058 const char *buf, size_t count) 2059 { 2060 int result, err; 2061 u32 overdrive; 2062 2063 struct asus_wmi *asus = dev_get_drvdata(dev); 2064 2065 result = kstrtou32(buf, 10, &overdrive); 2066 if (result) 2067 return result; 2068 2069 if (overdrive > 1) 2070 return -EINVAL; 2071 2072 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, overdrive, &result); 2073 2074 if (err) { 2075 pr_warn("Failed to set panel overdrive: %d\n", err); 2076 return err; 2077 } 2078 2079 if (result > 1) { 2080 pr_warn("Failed to set panel overdrive (result): 0x%x\n", result); 2081 return -EIO; 2082 } 2083 2084 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od"); 2085 2086 return count; 2087 } 2088 static DEVICE_ATTR_RW(panel_od); 2089 2090 /* Mini-LED mode **************************************************************/ 2091 static ssize_t mini_led_mode_show(struct device *dev, 2092 struct device_attribute *attr, char *buf) 2093 { 2094 struct asus_wmi *asus = dev_get_drvdata(dev); 2095 int result; 2096 2097 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MINI_LED_MODE); 2098 if (result < 0) 2099 return result; 2100 2101 return sysfs_emit(buf, "%d\n", result); 2102 } 2103 2104 static ssize_t mini_led_mode_store(struct device *dev, 2105 struct device_attribute *attr, 2106 const char *buf, size_t count) 2107 { 2108 int result, err; 2109 u32 mode; 2110 2111 struct asus_wmi *asus = dev_get_drvdata(dev); 2112 2113 result = kstrtou32(buf, 10, &mode); 2114 if (result) 2115 return result; 2116 2117 if (mode > 1) 2118 return -EINVAL; 2119 2120 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MINI_LED_MODE, mode, &result); 2121 2122 if (err) { 2123 pr_warn("Failed to set mini-LED: %d\n", err); 2124 return err; 2125 } 2126 2127 if (result > 1) { 2128 pr_warn("Failed to set mini-LED mode (result): 0x%x\n", result); 2129 return -EIO; 2130 } 2131 2132 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mini_led_mode"); 2133 2134 return count; 2135 } 2136 static DEVICE_ATTR_RW(mini_led_mode); 2137 2138 /* Quirks *********************************************************************/ 2139 2140 static void asus_wmi_set_xusb2pr(struct asus_wmi *asus) 2141 { 2142 struct pci_dev *xhci_pdev; 2143 u32 orig_ports_available; 2144 u32 ports_available = asus->driver->quirks->xusb2pr; 2145 2146 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 2147 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI, 2148 NULL); 2149 2150 if (!xhci_pdev) 2151 return; 2152 2153 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, 2154 &orig_ports_available); 2155 2156 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, 2157 cpu_to_le32(ports_available)); 2158 2159 pci_dev_put(xhci_pdev); 2160 2161 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n", 2162 orig_ports_available, ports_available); 2163 } 2164 2165 /* 2166 * Some devices dont support or have borcken get_als method 2167 * but still support set method. 2168 */ 2169 static void asus_wmi_set_als(void) 2170 { 2171 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL); 2172 } 2173 2174 /* Hwmon device ***************************************************************/ 2175 2176 static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan, 2177 int *speed) 2178 { 2179 struct agfn_fan_args args = { 2180 .agfn.len = sizeof(args), 2181 .agfn.mfun = ASUS_FAN_MFUN, 2182 .agfn.sfun = ASUS_FAN_SFUN_READ, 2183 .fan = fan, 2184 .speed = 0, 2185 }; 2186 struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; 2187 int status; 2188 2189 if (fan != 1) 2190 return -EINVAL; 2191 2192 status = asus_wmi_evaluate_method_agfn(input); 2193 2194 if (status || args.agfn.err) 2195 return -ENXIO; 2196 2197 if (speed) 2198 *speed = args.speed; 2199 2200 return 0; 2201 } 2202 2203 static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan, 2204 int *speed) 2205 { 2206 struct agfn_fan_args args = { 2207 .agfn.len = sizeof(args), 2208 .agfn.mfun = ASUS_FAN_MFUN, 2209 .agfn.sfun = ASUS_FAN_SFUN_WRITE, 2210 .fan = fan, 2211 .speed = speed ? *speed : 0, 2212 }; 2213 struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; 2214 int status; 2215 2216 /* 1: for setting 1st fan's speed 0: setting auto mode */ 2217 if (fan != 1 && fan != 0) 2218 return -EINVAL; 2219 2220 status = asus_wmi_evaluate_method_agfn(input); 2221 2222 if (status || args.agfn.err) 2223 return -ENXIO; 2224 2225 if (speed && fan == 1) 2226 asus->agfn_pwm = *speed; 2227 2228 return 0; 2229 } 2230 2231 /* 2232 * Check if we can read the speed of one fan. If true we assume we can also 2233 * control it. 2234 */ 2235 static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus) 2236 { 2237 int status; 2238 int speed; 2239 u32 value; 2240 2241 status = asus_agfn_fan_speed_read(asus, 1, &speed); 2242 if (status != 0) 2243 return false; 2244 2245 status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value); 2246 if (status != 0) 2247 return false; 2248 2249 /* 2250 * We need to find a better way, probably using sfun, 2251 * bits or spec ... 2252 * Currently we disable it if: 2253 * - ASUS_WMI_UNSUPPORTED_METHOD is returned 2254 * - reverved bits are non-zero 2255 * - sfun and presence bit are not set 2256 */ 2257 return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000 2258 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT))); 2259 } 2260 2261 static int asus_fan_set_auto(struct asus_wmi *asus) 2262 { 2263 int status; 2264 u32 retval; 2265 2266 switch (asus->fan_type) { 2267 case FAN_TYPE_SPEC83: 2268 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL, 2269 0, &retval); 2270 if (status) 2271 return status; 2272 2273 if (retval != 1) 2274 return -EIO; 2275 break; 2276 2277 case FAN_TYPE_AGFN: 2278 status = asus_agfn_fan_speed_write(asus, 0, NULL); 2279 if (status) 2280 return -ENXIO; 2281 break; 2282 2283 default: 2284 return -ENXIO; 2285 } 2286 2287 /* 2288 * Modern models like the G713 also have GPU fan control (this is not AGFN) 2289 */ 2290 if (asus->gpu_fan_type == FAN_TYPE_SPEC83) { 2291 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL, 2292 0, &retval); 2293 if (status) 2294 return status; 2295 2296 if (retval != 1) 2297 return -EIO; 2298 } 2299 2300 return 0; 2301 } 2302 2303 static ssize_t pwm1_show(struct device *dev, 2304 struct device_attribute *attr, 2305 char *buf) 2306 { 2307 struct asus_wmi *asus = dev_get_drvdata(dev); 2308 int err; 2309 int value; 2310 2311 /* If we already set a value then just return it */ 2312 if (asus->agfn_pwm >= 0) 2313 return sprintf(buf, "%d\n", asus->agfn_pwm); 2314 2315 /* 2316 * If we haven't set already set a value through the AGFN interface, 2317 * we read a current value through the (now-deprecated) FAN_CTRL device. 2318 */ 2319 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value); 2320 if (err < 0) 2321 return err; 2322 2323 value &= 0xFF; 2324 2325 if (value == 1) /* Low Speed */ 2326 value = 85; 2327 else if (value == 2) 2328 value = 170; 2329 else if (value == 3) 2330 value = 255; 2331 else if (value) { 2332 pr_err("Unknown fan speed %#x\n", value); 2333 value = -1; 2334 } 2335 2336 return sysfs_emit(buf, "%d\n", value); 2337 } 2338 2339 static ssize_t pwm1_store(struct device *dev, 2340 struct device_attribute *attr, 2341 const char *buf, size_t count) { 2342 struct asus_wmi *asus = dev_get_drvdata(dev); 2343 int value; 2344 int state; 2345 int ret; 2346 2347 ret = kstrtouint(buf, 10, &value); 2348 if (ret) 2349 return ret; 2350 2351 value = clamp(value, 0, 255); 2352 2353 state = asus_agfn_fan_speed_write(asus, 1, &value); 2354 if (state) 2355 pr_warn("Setting fan speed failed: %d\n", state); 2356 else 2357 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL; 2358 2359 return count; 2360 } 2361 2362 static ssize_t fan1_input_show(struct device *dev, 2363 struct device_attribute *attr, 2364 char *buf) 2365 { 2366 struct asus_wmi *asus = dev_get_drvdata(dev); 2367 int value; 2368 int ret; 2369 2370 switch (asus->fan_type) { 2371 case FAN_TYPE_SPEC83: 2372 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL, 2373 &value); 2374 if (ret < 0) 2375 return ret; 2376 2377 value &= 0xffff; 2378 break; 2379 2380 case FAN_TYPE_AGFN: 2381 /* no speed readable on manual mode */ 2382 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL) 2383 return -ENXIO; 2384 2385 ret = asus_agfn_fan_speed_read(asus, 1, &value); 2386 if (ret) { 2387 pr_warn("reading fan speed failed: %d\n", ret); 2388 return -ENXIO; 2389 } 2390 break; 2391 2392 default: 2393 return -ENXIO; 2394 } 2395 2396 return sysfs_emit(buf, "%d\n", value < 0 ? -1 : value * 100); 2397 } 2398 2399 static ssize_t pwm1_enable_show(struct device *dev, 2400 struct device_attribute *attr, 2401 char *buf) 2402 { 2403 struct asus_wmi *asus = dev_get_drvdata(dev); 2404 2405 /* 2406 * Just read back the cached pwm mode. 2407 * 2408 * For the CPU_FAN device, the spec indicates that we should be 2409 * able to read the device status and consult bit 19 to see if we 2410 * are in Full On or Automatic mode. However, this does not work 2411 * in practice on X532FL at least (the bit is always 0) and there's 2412 * also nothing in the DSDT to indicate that this behaviour exists. 2413 */ 2414 return sysfs_emit(buf, "%d\n", asus->fan_pwm_mode); 2415 } 2416 2417 static ssize_t pwm1_enable_store(struct device *dev, 2418 struct device_attribute *attr, 2419 const char *buf, size_t count) 2420 { 2421 struct asus_wmi *asus = dev_get_drvdata(dev); 2422 int status = 0; 2423 int state; 2424 int value; 2425 int ret; 2426 u32 retval; 2427 2428 ret = kstrtouint(buf, 10, &state); 2429 if (ret) 2430 return ret; 2431 2432 if (asus->fan_type == FAN_TYPE_SPEC83) { 2433 switch (state) { /* standard documented hwmon values */ 2434 case ASUS_FAN_CTRL_FULLSPEED: 2435 value = 1; 2436 break; 2437 case ASUS_FAN_CTRL_AUTO: 2438 value = 0; 2439 break; 2440 default: 2441 return -EINVAL; 2442 } 2443 2444 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL, 2445 value, &retval); 2446 if (ret) 2447 return ret; 2448 2449 if (retval != 1) 2450 return -EIO; 2451 } else if (asus->fan_type == FAN_TYPE_AGFN) { 2452 switch (state) { 2453 case ASUS_FAN_CTRL_MANUAL: 2454 break; 2455 2456 case ASUS_FAN_CTRL_AUTO: 2457 status = asus_fan_set_auto(asus); 2458 if (status) 2459 return status; 2460 break; 2461 2462 default: 2463 return -EINVAL; 2464 } 2465 } 2466 2467 asus->fan_pwm_mode = state; 2468 2469 /* Must set to disabled if mode is toggled */ 2470 if (asus->cpu_fan_curve_available) 2471 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false; 2472 if (asus->gpu_fan_curve_available) 2473 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false; 2474 if (asus->mid_fan_curve_available) 2475 asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false; 2476 2477 return count; 2478 } 2479 2480 static ssize_t fan1_label_show(struct device *dev, 2481 struct device_attribute *attr, 2482 char *buf) 2483 { 2484 return sysfs_emit(buf, "%s\n", ASUS_FAN_DESC); 2485 } 2486 2487 static ssize_t asus_hwmon_temp1(struct device *dev, 2488 struct device_attribute *attr, 2489 char *buf) 2490 { 2491 struct asus_wmi *asus = dev_get_drvdata(dev); 2492 u32 value; 2493 int err; 2494 2495 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value); 2496 if (err < 0) 2497 return err; 2498 2499 return sprintf(buf, "%ld\n", 2500 deci_kelvin_to_millicelsius(value & 0xFFFF)); 2501 } 2502 2503 /* GPU fan on modern ROG laptops */ 2504 static ssize_t fan2_input_show(struct device *dev, 2505 struct device_attribute *attr, 2506 char *buf) 2507 { 2508 struct asus_wmi *asus = dev_get_drvdata(dev); 2509 int value; 2510 int ret; 2511 2512 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL, &value); 2513 if (ret < 0) 2514 return ret; 2515 2516 value &= 0xffff; 2517 2518 return sysfs_emit(buf, "%d\n", value * 100); 2519 } 2520 2521 static ssize_t fan2_label_show(struct device *dev, 2522 struct device_attribute *attr, 2523 char *buf) 2524 { 2525 return sysfs_emit(buf, "%s\n", ASUS_GPU_FAN_DESC); 2526 } 2527 2528 /* Middle/Center fan on modern ROG laptops */ 2529 static ssize_t fan3_input_show(struct device *dev, 2530 struct device_attribute *attr, 2531 char *buf) 2532 { 2533 struct asus_wmi *asus = dev_get_drvdata(dev); 2534 int value; 2535 int ret; 2536 2537 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_MID_FAN_CTRL, &value); 2538 if (ret < 0) 2539 return ret; 2540 2541 value &= 0xffff; 2542 2543 return sysfs_emit(buf, "%d\n", value * 100); 2544 } 2545 2546 static ssize_t fan3_label_show(struct device *dev, 2547 struct device_attribute *attr, 2548 char *buf) 2549 { 2550 return sysfs_emit(buf, "%s\n", ASUS_MID_FAN_DESC); 2551 } 2552 2553 static ssize_t pwm2_enable_show(struct device *dev, 2554 struct device_attribute *attr, 2555 char *buf) 2556 { 2557 struct asus_wmi *asus = dev_get_drvdata(dev); 2558 2559 return sysfs_emit(buf, "%d\n", asus->gpu_fan_pwm_mode); 2560 } 2561 2562 static ssize_t pwm2_enable_store(struct device *dev, 2563 struct device_attribute *attr, 2564 const char *buf, size_t count) 2565 { 2566 struct asus_wmi *asus = dev_get_drvdata(dev); 2567 int state; 2568 int value; 2569 int ret; 2570 u32 retval; 2571 2572 ret = kstrtouint(buf, 10, &state); 2573 if (ret) 2574 return ret; 2575 2576 switch (state) { /* standard documented hwmon values */ 2577 case ASUS_FAN_CTRL_FULLSPEED: 2578 value = 1; 2579 break; 2580 case ASUS_FAN_CTRL_AUTO: 2581 value = 0; 2582 break; 2583 default: 2584 return -EINVAL; 2585 } 2586 2587 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL, 2588 value, &retval); 2589 if (ret) 2590 return ret; 2591 2592 if (retval != 1) 2593 return -EIO; 2594 2595 asus->gpu_fan_pwm_mode = state; 2596 return count; 2597 } 2598 2599 static ssize_t pwm3_enable_show(struct device *dev, 2600 struct device_attribute *attr, 2601 char *buf) 2602 { 2603 struct asus_wmi *asus = dev_get_drvdata(dev); 2604 2605 return sysfs_emit(buf, "%d\n", asus->mid_fan_pwm_mode); 2606 } 2607 2608 static ssize_t pwm3_enable_store(struct device *dev, 2609 struct device_attribute *attr, 2610 const char *buf, size_t count) 2611 { 2612 struct asus_wmi *asus = dev_get_drvdata(dev); 2613 int state; 2614 int value; 2615 int ret; 2616 u32 retval; 2617 2618 ret = kstrtouint(buf, 10, &state); 2619 if (ret) 2620 return ret; 2621 2622 switch (state) { /* standard documented hwmon values */ 2623 case ASUS_FAN_CTRL_FULLSPEED: 2624 value = 1; 2625 break; 2626 case ASUS_FAN_CTRL_AUTO: 2627 value = 0; 2628 break; 2629 default: 2630 return -EINVAL; 2631 } 2632 2633 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_MID_FAN_CTRL, 2634 value, &retval); 2635 if (ret) 2636 return ret; 2637 2638 if (retval != 1) 2639 return -EIO; 2640 2641 asus->mid_fan_pwm_mode = state; 2642 return count; 2643 } 2644 2645 /* Fan1 */ 2646 static DEVICE_ATTR_RW(pwm1); 2647 static DEVICE_ATTR_RW(pwm1_enable); 2648 static DEVICE_ATTR_RO(fan1_input); 2649 static DEVICE_ATTR_RO(fan1_label); 2650 /* Fan2 - GPU fan */ 2651 static DEVICE_ATTR_RW(pwm2_enable); 2652 static DEVICE_ATTR_RO(fan2_input); 2653 static DEVICE_ATTR_RO(fan2_label); 2654 /* Fan3 - Middle/center fan */ 2655 static DEVICE_ATTR_RW(pwm3_enable); 2656 static DEVICE_ATTR_RO(fan3_input); 2657 static DEVICE_ATTR_RO(fan3_label); 2658 2659 /* Temperature */ 2660 static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL); 2661 2662 static struct attribute *hwmon_attributes[] = { 2663 &dev_attr_pwm1.attr, 2664 &dev_attr_pwm1_enable.attr, 2665 &dev_attr_pwm2_enable.attr, 2666 &dev_attr_pwm3_enable.attr, 2667 &dev_attr_fan1_input.attr, 2668 &dev_attr_fan1_label.attr, 2669 &dev_attr_fan2_input.attr, 2670 &dev_attr_fan2_label.attr, 2671 &dev_attr_fan3_input.attr, 2672 &dev_attr_fan3_label.attr, 2673 2674 &dev_attr_temp1_input.attr, 2675 NULL 2676 }; 2677 2678 static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, 2679 struct attribute *attr, int idx) 2680 { 2681 struct device *dev = kobj_to_dev(kobj); 2682 struct asus_wmi *asus = dev_get_drvdata(dev->parent); 2683 u32 value = ASUS_WMI_UNSUPPORTED_METHOD; 2684 2685 if (attr == &dev_attr_pwm1.attr) { 2686 if (asus->fan_type != FAN_TYPE_AGFN) 2687 return 0; 2688 } else if (attr == &dev_attr_fan1_input.attr 2689 || attr == &dev_attr_fan1_label.attr 2690 || attr == &dev_attr_pwm1_enable.attr) { 2691 if (asus->fan_type == FAN_TYPE_NONE) 2692 return 0; 2693 } else if (attr == &dev_attr_fan2_input.attr 2694 || attr == &dev_attr_fan2_label.attr 2695 || attr == &dev_attr_pwm2_enable.attr) { 2696 if (asus->gpu_fan_type == FAN_TYPE_NONE) 2697 return 0; 2698 } else if (attr == &dev_attr_fan3_input.attr 2699 || attr == &dev_attr_fan3_label.attr 2700 || attr == &dev_attr_pwm3_enable.attr) { 2701 if (asus->mid_fan_type == FAN_TYPE_NONE) 2702 return 0; 2703 } else if (attr == &dev_attr_temp1_input.attr) { 2704 int err = asus_wmi_get_devstate(asus, 2705 ASUS_WMI_DEVID_THERMAL_CTRL, 2706 &value); 2707 2708 if (err < 0) 2709 return 0; /* can't return negative here */ 2710 2711 /* 2712 * If the temperature value in deci-Kelvin is near the absolute 2713 * zero temperature, something is clearly wrong 2714 */ 2715 if (value == 0 || value == 1) 2716 return 0; 2717 } 2718 2719 return attr->mode; 2720 } 2721 2722 static const struct attribute_group hwmon_attribute_group = { 2723 .is_visible = asus_hwmon_sysfs_is_visible, 2724 .attrs = hwmon_attributes 2725 }; 2726 __ATTRIBUTE_GROUPS(hwmon_attribute); 2727 2728 static int asus_wmi_hwmon_init(struct asus_wmi *asus) 2729 { 2730 struct device *dev = &asus->platform_device->dev; 2731 struct device *hwmon; 2732 2733 hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus, 2734 hwmon_attribute_groups); 2735 2736 if (IS_ERR(hwmon)) { 2737 pr_err("Could not register asus hwmon device\n"); 2738 return PTR_ERR(hwmon); 2739 } 2740 return 0; 2741 } 2742 2743 static int asus_wmi_fan_init(struct asus_wmi *asus) 2744 { 2745 asus->gpu_fan_type = FAN_TYPE_NONE; 2746 asus->mid_fan_type = FAN_TYPE_NONE; 2747 asus->fan_type = FAN_TYPE_NONE; 2748 asus->agfn_pwm = -1; 2749 2750 if (asus->driver->quirks->wmi_ignore_fan) 2751 asus->fan_type = FAN_TYPE_NONE; 2752 else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL)) 2753 asus->fan_type = FAN_TYPE_SPEC83; 2754 else if (asus_wmi_has_agfn_fan(asus)) 2755 asus->fan_type = FAN_TYPE_AGFN; 2756 2757 /* Modern models like G713 also have GPU fan control */ 2758 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL)) 2759 asus->gpu_fan_type = FAN_TYPE_SPEC83; 2760 2761 /* Some models also have a center/middle fan */ 2762 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MID_FAN_CTRL)) 2763 asus->mid_fan_type = FAN_TYPE_SPEC83; 2764 2765 if (asus->fan_type == FAN_TYPE_NONE) 2766 return -ENODEV; 2767 2768 asus_fan_set_auto(asus); 2769 asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO; 2770 return 0; 2771 } 2772 2773 /* Fan mode *******************************************************************/ 2774 2775 static int fan_boost_mode_check_present(struct asus_wmi *asus) 2776 { 2777 u32 result; 2778 int err; 2779 2780 asus->fan_boost_mode_available = false; 2781 2782 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE, 2783 &result); 2784 if (err) { 2785 if (err == -ENODEV) 2786 return 0; 2787 else 2788 return err; 2789 } 2790 2791 if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) && 2792 (result & ASUS_FAN_BOOST_MODES_MASK)) { 2793 asus->fan_boost_mode_available = true; 2794 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK; 2795 } 2796 2797 return 0; 2798 } 2799 2800 static int fan_boost_mode_write(struct asus_wmi *asus) 2801 { 2802 u32 retval; 2803 u8 value; 2804 int err; 2805 2806 value = asus->fan_boost_mode; 2807 2808 pr_info("Set fan boost mode: %u\n", value); 2809 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value, 2810 &retval); 2811 2812 sysfs_notify(&asus->platform_device->dev.kobj, NULL, 2813 "fan_boost_mode"); 2814 2815 if (err) { 2816 pr_warn("Failed to set fan boost mode: %d\n", err); 2817 return err; 2818 } 2819 2820 if (retval != 1) { 2821 pr_warn("Failed to set fan boost mode (retval): 0x%x\n", 2822 retval); 2823 return -EIO; 2824 } 2825 2826 return 0; 2827 } 2828 2829 static int fan_boost_mode_switch_next(struct asus_wmi *asus) 2830 { 2831 u8 mask = asus->fan_boost_mode_mask; 2832 2833 if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) { 2834 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK) 2835 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST; 2836 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK) 2837 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT; 2838 } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) { 2839 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK) 2840 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT; 2841 else 2842 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL; 2843 } else { 2844 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL; 2845 } 2846 2847 return fan_boost_mode_write(asus); 2848 } 2849 2850 static ssize_t fan_boost_mode_show(struct device *dev, 2851 struct device_attribute *attr, char *buf) 2852 { 2853 struct asus_wmi *asus = dev_get_drvdata(dev); 2854 2855 return sysfs_emit(buf, "%d\n", asus->fan_boost_mode); 2856 } 2857 2858 static ssize_t fan_boost_mode_store(struct device *dev, 2859 struct device_attribute *attr, 2860 const char *buf, size_t count) 2861 { 2862 struct asus_wmi *asus = dev_get_drvdata(dev); 2863 u8 mask = asus->fan_boost_mode_mask; 2864 u8 new_mode; 2865 int result; 2866 2867 result = kstrtou8(buf, 10, &new_mode); 2868 if (result < 0) { 2869 pr_warn("Trying to store invalid value\n"); 2870 return result; 2871 } 2872 2873 if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) { 2874 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)) 2875 return -EINVAL; 2876 } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) { 2877 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)) 2878 return -EINVAL; 2879 } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) { 2880 return -EINVAL; 2881 } 2882 2883 asus->fan_boost_mode = new_mode; 2884 fan_boost_mode_write(asus); 2885 2886 return count; 2887 } 2888 2889 // Fan boost mode: 0 - normal, 1 - overboost, 2 - silent 2890 static DEVICE_ATTR_RW(fan_boost_mode); 2891 2892 /* Custom fan curves **********************************************************/ 2893 2894 static void fan_curve_copy_from_buf(struct fan_curve_data *data, u8 *buf) 2895 { 2896 int i; 2897 2898 for (i = 0; i < FAN_CURVE_POINTS; i++) { 2899 data->temps[i] = buf[i]; 2900 } 2901 2902 for (i = 0; i < FAN_CURVE_POINTS; i++) { 2903 data->percents[i] = 2904 255 * buf[i + FAN_CURVE_POINTS] / 100; 2905 } 2906 } 2907 2908 static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev) 2909 { 2910 struct fan_curve_data *curves; 2911 u8 buf[FAN_CURVE_BUF_LEN]; 2912 int err, fan_idx; 2913 u8 mode = 0; 2914 2915 if (asus->throttle_thermal_policy_available) 2916 mode = asus->throttle_thermal_policy_mode; 2917 /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */ 2918 if (mode == 2) 2919 mode = 1; 2920 else if (mode == 1) 2921 mode = 2; 2922 2923 err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf, 2924 FAN_CURVE_BUF_LEN); 2925 if (err) { 2926 pr_warn("%s (0x%08x) failed: %d\n", __func__, fan_dev, err); 2927 return err; 2928 } 2929 2930 fan_idx = FAN_CURVE_DEV_CPU; 2931 if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE) 2932 fan_idx = FAN_CURVE_DEV_GPU; 2933 2934 if (fan_dev == ASUS_WMI_DEVID_MID_FAN_CURVE) 2935 fan_idx = FAN_CURVE_DEV_MID; 2936 2937 curves = &asus->custom_fan_curves[fan_idx]; 2938 curves->device_id = fan_dev; 2939 2940 fan_curve_copy_from_buf(curves, buf); 2941 return 0; 2942 } 2943 2944 /* Check if capability exists, and populate defaults */ 2945 static int fan_curve_check_present(struct asus_wmi *asus, bool *available, 2946 u32 fan_dev) 2947 { 2948 int err; 2949 2950 *available = false; 2951 2952 if (asus->fan_type == FAN_TYPE_NONE) 2953 return 0; 2954 2955 err = fan_curve_get_factory_default(asus, fan_dev); 2956 if (err) { 2957 return 0; 2958 } 2959 2960 *available = true; 2961 return 0; 2962 } 2963 2964 /* Determine which fan the attribute is for if SENSOR_ATTR */ 2965 static struct fan_curve_data *fan_curve_attr_select(struct asus_wmi *asus, 2966 struct device_attribute *attr) 2967 { 2968 int index = to_sensor_dev_attr(attr)->index; 2969 2970 return &asus->custom_fan_curves[index]; 2971 } 2972 2973 /* Determine which fan the attribute is for if SENSOR_ATTR_2 */ 2974 static struct fan_curve_data *fan_curve_attr_2_select(struct asus_wmi *asus, 2975 struct device_attribute *attr) 2976 { 2977 int nr = to_sensor_dev_attr_2(attr)->nr; 2978 2979 return &asus->custom_fan_curves[nr & ~FAN_CURVE_PWM_MASK]; 2980 } 2981 2982 static ssize_t fan_curve_show(struct device *dev, 2983 struct device_attribute *attr, char *buf) 2984 { 2985 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr); 2986 struct asus_wmi *asus = dev_get_drvdata(dev); 2987 struct fan_curve_data *data; 2988 int value, pwm, index; 2989 2990 data = fan_curve_attr_2_select(asus, attr); 2991 pwm = dev_attr->nr & FAN_CURVE_PWM_MASK; 2992 index = dev_attr->index; 2993 2994 if (pwm) 2995 value = data->percents[index]; 2996 else 2997 value = data->temps[index]; 2998 2999 return sysfs_emit(buf, "%d\n", value); 3000 } 3001 3002 /* 3003 * "fan_dev" is the related WMI method such as ASUS_WMI_DEVID_CPU_FAN_CURVE. 3004 */ 3005 static int fan_curve_write(struct asus_wmi *asus, 3006 struct fan_curve_data *data) 3007 { 3008 u32 arg1 = 0, arg2 = 0, arg3 = 0, arg4 = 0; 3009 u8 *percents = data->percents; 3010 u8 *temps = data->temps; 3011 int ret, i, shift = 0; 3012 3013 if (!data->enabled) 3014 return 0; 3015 3016 for (i = 0; i < FAN_CURVE_POINTS / 2; i++) { 3017 arg1 += (temps[i]) << shift; 3018 arg2 += (temps[i + 4]) << shift; 3019 /* Scale to percentage for device */ 3020 arg3 += (100 * percents[i] / 255) << shift; 3021 arg4 += (100 * percents[i + 4] / 255) << shift; 3022 shift += 8; 3023 } 3024 3025 return asus_wmi_evaluate_method5(ASUS_WMI_METHODID_DEVS, 3026 data->device_id, 3027 arg1, arg2, arg3, arg4, &ret); 3028 } 3029 3030 static ssize_t fan_curve_store(struct device *dev, 3031 struct device_attribute *attr, const char *buf, 3032 size_t count) 3033 { 3034 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr); 3035 struct asus_wmi *asus = dev_get_drvdata(dev); 3036 struct fan_curve_data *data; 3037 int err, pwm, index; 3038 u8 value; 3039 3040 data = fan_curve_attr_2_select(asus, attr); 3041 pwm = dev_attr->nr & FAN_CURVE_PWM_MASK; 3042 index = dev_attr->index; 3043 3044 err = kstrtou8(buf, 10, &value); 3045 if (err < 0) 3046 return err; 3047 3048 if (pwm) 3049 data->percents[index] = value; 3050 else 3051 data->temps[index] = value; 3052 3053 /* 3054 * Mark as disabled so the user has to explicitly enable to apply a 3055 * changed fan curve. This prevents potential lockups from writing out 3056 * many changes as one-write-per-change. 3057 */ 3058 data->enabled = false; 3059 3060 return count; 3061 } 3062 3063 static ssize_t fan_curve_enable_show(struct device *dev, 3064 struct device_attribute *attr, char *buf) 3065 { 3066 struct asus_wmi *asus = dev_get_drvdata(dev); 3067 struct fan_curve_data *data; 3068 int out = 2; 3069 3070 data = fan_curve_attr_select(asus, attr); 3071 3072 if (data->enabled) 3073 out = 1; 3074 3075 return sysfs_emit(buf, "%d\n", out); 3076 } 3077 3078 static ssize_t fan_curve_enable_store(struct device *dev, 3079 struct device_attribute *attr, 3080 const char *buf, size_t count) 3081 { 3082 struct asus_wmi *asus = dev_get_drvdata(dev); 3083 struct fan_curve_data *data; 3084 int value, err; 3085 3086 data = fan_curve_attr_select(asus, attr); 3087 3088 err = kstrtoint(buf, 10, &value); 3089 if (err < 0) 3090 return err; 3091 3092 switch (value) { 3093 case 1: 3094 data->enabled = true; 3095 break; 3096 case 2: 3097 data->enabled = false; 3098 break; 3099 /* 3100 * Auto + reset the fan curve data to defaults. Make it an explicit 3101 * option so that users don't accidentally overwrite a set fan curve. 3102 */ 3103 case 3: 3104 err = fan_curve_get_factory_default(asus, data->device_id); 3105 if (err) 3106 return err; 3107 data->enabled = false; 3108 break; 3109 default: 3110 return -EINVAL; 3111 } 3112 3113 if (data->enabled) { 3114 err = fan_curve_write(asus, data); 3115 if (err) 3116 return err; 3117 } else { 3118 /* 3119 * For machines with throttle this is the only way to reset fans 3120 * to default mode of operation (does not erase curve data). 3121 */ 3122 if (asus->throttle_thermal_policy_available) { 3123 err = throttle_thermal_policy_write(asus); 3124 if (err) 3125 return err; 3126 /* Similar is true for laptops with this fan */ 3127 } else if (asus->fan_type == FAN_TYPE_SPEC83) { 3128 err = asus_fan_set_auto(asus); 3129 if (err) 3130 return err; 3131 } else { 3132 /* Safeguard against fautly ACPI tables */ 3133 err = fan_curve_get_factory_default(asus, data->device_id); 3134 if (err) 3135 return err; 3136 err = fan_curve_write(asus, data); 3137 if (err) 3138 return err; 3139 } 3140 } 3141 return count; 3142 } 3143 3144 /* CPU */ 3145 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, fan_curve_enable, FAN_CURVE_DEV_CPU); 3146 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_temp, fan_curve, 3147 FAN_CURVE_DEV_CPU, 0); 3148 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_temp, fan_curve, 3149 FAN_CURVE_DEV_CPU, 1); 3150 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_temp, fan_curve, 3151 FAN_CURVE_DEV_CPU, 2); 3152 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_temp, fan_curve, 3153 FAN_CURVE_DEV_CPU, 3); 3154 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_temp, fan_curve, 3155 FAN_CURVE_DEV_CPU, 4); 3156 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_temp, fan_curve, 3157 FAN_CURVE_DEV_CPU, 5); 3158 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_temp, fan_curve, 3159 FAN_CURVE_DEV_CPU, 6); 3160 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_temp, fan_curve, 3161 FAN_CURVE_DEV_CPU, 7); 3162 3163 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_pwm, fan_curve, 3164 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 0); 3165 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_pwm, fan_curve, 3166 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 1); 3167 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_pwm, fan_curve, 3168 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 2); 3169 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_pwm, fan_curve, 3170 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 3); 3171 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_pwm, fan_curve, 3172 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 4); 3173 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_pwm, fan_curve, 3174 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 5); 3175 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_pwm, fan_curve, 3176 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 6); 3177 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_pwm, fan_curve, 3178 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 7); 3179 3180 /* GPU */ 3181 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, fan_curve_enable, FAN_CURVE_DEV_GPU); 3182 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_temp, fan_curve, 3183 FAN_CURVE_DEV_GPU, 0); 3184 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_temp, fan_curve, 3185 FAN_CURVE_DEV_GPU, 1); 3186 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_temp, fan_curve, 3187 FAN_CURVE_DEV_GPU, 2); 3188 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_temp, fan_curve, 3189 FAN_CURVE_DEV_GPU, 3); 3190 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_temp, fan_curve, 3191 FAN_CURVE_DEV_GPU, 4); 3192 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_temp, fan_curve, 3193 FAN_CURVE_DEV_GPU, 5); 3194 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_temp, fan_curve, 3195 FAN_CURVE_DEV_GPU, 6); 3196 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_temp, fan_curve, 3197 FAN_CURVE_DEV_GPU, 7); 3198 3199 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_pwm, fan_curve, 3200 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0); 3201 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_pwm, fan_curve, 3202 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1); 3203 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_pwm, fan_curve, 3204 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2); 3205 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_pwm, fan_curve, 3206 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3); 3207 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_pwm, fan_curve, 3208 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4); 3209 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_pwm, fan_curve, 3210 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5); 3211 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve, 3212 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6); 3213 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve, 3214 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7); 3215 3216 /* MID */ 3217 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, fan_curve_enable, FAN_CURVE_DEV_MID); 3218 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_temp, fan_curve, 3219 FAN_CURVE_DEV_MID, 0); 3220 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_temp, fan_curve, 3221 FAN_CURVE_DEV_MID, 1); 3222 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_temp, fan_curve, 3223 FAN_CURVE_DEV_MID, 2); 3224 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_temp, fan_curve, 3225 FAN_CURVE_DEV_MID, 3); 3226 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_temp, fan_curve, 3227 FAN_CURVE_DEV_MID, 4); 3228 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_temp, fan_curve, 3229 FAN_CURVE_DEV_MID, 5); 3230 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_temp, fan_curve, 3231 FAN_CURVE_DEV_MID, 6); 3232 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_temp, fan_curve, 3233 FAN_CURVE_DEV_MID, 7); 3234 3235 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_pwm, fan_curve, 3236 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 0); 3237 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_pwm, fan_curve, 3238 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 1); 3239 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_pwm, fan_curve, 3240 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 2); 3241 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_pwm, fan_curve, 3242 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 3); 3243 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_pwm, fan_curve, 3244 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 4); 3245 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_pwm, fan_curve, 3246 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 5); 3247 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_pwm, fan_curve, 3248 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 6); 3249 static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_pwm, fan_curve, 3250 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 7); 3251 3252 static struct attribute *asus_fan_curve_attr[] = { 3253 /* CPU */ 3254 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 3255 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr, 3256 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr, 3257 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr, 3258 &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr, 3259 &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr, 3260 &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr, 3261 &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr, 3262 &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr, 3263 &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, 3264 &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, 3265 &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr, 3266 &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr, 3267 &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr, 3268 &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr, 3269 &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr, 3270 &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr, 3271 /* GPU */ 3272 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 3273 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr, 3274 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr, 3275 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr, 3276 &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr, 3277 &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr, 3278 &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr, 3279 &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr, 3280 &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr, 3281 &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, 3282 &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, 3283 &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr, 3284 &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr, 3285 &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr, 3286 &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr, 3287 &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr, 3288 &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr, 3289 /* MID */ 3290 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 3291 &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr, 3292 &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr, 3293 &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr, 3294 &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr, 3295 &sensor_dev_attr_pwm3_auto_point5_temp.dev_attr.attr, 3296 &sensor_dev_attr_pwm3_auto_point6_temp.dev_attr.attr, 3297 &sensor_dev_attr_pwm3_auto_point7_temp.dev_attr.attr, 3298 &sensor_dev_attr_pwm3_auto_point8_temp.dev_attr.attr, 3299 &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, 3300 &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, 3301 &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr, 3302 &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr, 3303 &sensor_dev_attr_pwm3_auto_point5_pwm.dev_attr.attr, 3304 &sensor_dev_attr_pwm3_auto_point6_pwm.dev_attr.attr, 3305 &sensor_dev_attr_pwm3_auto_point7_pwm.dev_attr.attr, 3306 &sensor_dev_attr_pwm3_auto_point8_pwm.dev_attr.attr, 3307 NULL 3308 }; 3309 3310 static umode_t asus_fan_curve_is_visible(struct kobject *kobj, 3311 struct attribute *attr, int idx) 3312 { 3313 struct device *dev = kobj_to_dev(kobj); 3314 struct asus_wmi *asus = dev_get_drvdata(dev->parent); 3315 3316 /* 3317 * Check the char instead of casting attr as there are two attr types 3318 * involved here (attr1 and attr2) 3319 */ 3320 if (asus->cpu_fan_curve_available && attr->name[3] == '1') 3321 return 0644; 3322 3323 if (asus->gpu_fan_curve_available && attr->name[3] == '2') 3324 return 0644; 3325 3326 if (asus->mid_fan_curve_available && attr->name[3] == '3') 3327 return 0644; 3328 3329 return 0; 3330 } 3331 3332 static const struct attribute_group asus_fan_curve_attr_group = { 3333 .is_visible = asus_fan_curve_is_visible, 3334 .attrs = asus_fan_curve_attr, 3335 }; 3336 __ATTRIBUTE_GROUPS(asus_fan_curve_attr); 3337 3338 /* 3339 * Must be initialised after throttle_thermal_policy_check_present() as 3340 * we check the status of throttle_thermal_policy_available during init. 3341 */ 3342 static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus) 3343 { 3344 struct device *dev = &asus->platform_device->dev; 3345 struct device *hwmon; 3346 int err; 3347 3348 err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available, 3349 ASUS_WMI_DEVID_CPU_FAN_CURVE); 3350 if (err) 3351 return err; 3352 3353 err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available, 3354 ASUS_WMI_DEVID_GPU_FAN_CURVE); 3355 if (err) 3356 return err; 3357 3358 err = fan_curve_check_present(asus, &asus->mid_fan_curve_available, 3359 ASUS_WMI_DEVID_MID_FAN_CURVE); 3360 if (err) 3361 return err; 3362 3363 if (!asus->cpu_fan_curve_available 3364 && !asus->gpu_fan_curve_available 3365 && !asus->mid_fan_curve_available) 3366 return 0; 3367 3368 hwmon = devm_hwmon_device_register_with_groups( 3369 dev, "asus_custom_fan_curve", asus, asus_fan_curve_attr_groups); 3370 3371 if (IS_ERR(hwmon)) { 3372 dev_err(dev, 3373 "Could not register asus_custom_fan_curve device\n"); 3374 return PTR_ERR(hwmon); 3375 } 3376 3377 return 0; 3378 } 3379 3380 /* Throttle thermal policy ****************************************************/ 3381 3382 static int throttle_thermal_policy_check_present(struct asus_wmi *asus) 3383 { 3384 u32 result; 3385 int err; 3386 3387 asus->throttle_thermal_policy_available = false; 3388 3389 err = asus_wmi_get_devstate(asus, 3390 ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY, 3391 &result); 3392 if (err) { 3393 if (err == -ENODEV) 3394 return 0; 3395 return err; 3396 } 3397 3398 if (result & ASUS_WMI_DSTS_PRESENCE_BIT) 3399 asus->throttle_thermal_policy_available = true; 3400 3401 return 0; 3402 } 3403 3404 static int throttle_thermal_policy_write(struct asus_wmi *asus) 3405 { 3406 int err; 3407 u8 value; 3408 u32 retval; 3409 3410 value = asus->throttle_thermal_policy_mode; 3411 3412 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY, 3413 value, &retval); 3414 3415 sysfs_notify(&asus->platform_device->dev.kobj, NULL, 3416 "throttle_thermal_policy"); 3417 3418 if (err) { 3419 pr_warn("Failed to set throttle thermal policy: %d\n", err); 3420 return err; 3421 } 3422 3423 if (retval != 1) { 3424 pr_warn("Failed to set throttle thermal policy (retval): 0x%x\n", 3425 retval); 3426 return -EIO; 3427 } 3428 3429 /* Must set to disabled if mode is toggled */ 3430 if (asus->cpu_fan_curve_available) 3431 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false; 3432 if (asus->gpu_fan_curve_available) 3433 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false; 3434 if (asus->mid_fan_curve_available) 3435 asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false; 3436 3437 return 0; 3438 } 3439 3440 static int throttle_thermal_policy_set_default(struct asus_wmi *asus) 3441 { 3442 if (!asus->throttle_thermal_policy_available) 3443 return 0; 3444 3445 asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; 3446 return throttle_thermal_policy_write(asus); 3447 } 3448 3449 static int throttle_thermal_policy_switch_next(struct asus_wmi *asus) 3450 { 3451 u8 new_mode = asus->throttle_thermal_policy_mode + 1; 3452 int err; 3453 3454 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT) 3455 new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; 3456 3457 asus->throttle_thermal_policy_mode = new_mode; 3458 err = throttle_thermal_policy_write(asus); 3459 if (err) 3460 return err; 3461 3462 /* 3463 * Ensure that platform_profile updates userspace with the change to ensure 3464 * that platform_profile and throttle_thermal_policy_mode are in sync. 3465 */ 3466 platform_profile_notify(); 3467 3468 return 0; 3469 } 3470 3471 static ssize_t throttle_thermal_policy_show(struct device *dev, 3472 struct device_attribute *attr, char *buf) 3473 { 3474 struct asus_wmi *asus = dev_get_drvdata(dev); 3475 u8 mode = asus->throttle_thermal_policy_mode; 3476 3477 return sysfs_emit(buf, "%d\n", mode); 3478 } 3479 3480 static ssize_t throttle_thermal_policy_store(struct device *dev, 3481 struct device_attribute *attr, 3482 const char *buf, size_t count) 3483 { 3484 struct asus_wmi *asus = dev_get_drvdata(dev); 3485 u8 new_mode; 3486 int result; 3487 int err; 3488 3489 result = kstrtou8(buf, 10, &new_mode); 3490 if (result < 0) 3491 return result; 3492 3493 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT) 3494 return -EINVAL; 3495 3496 asus->throttle_thermal_policy_mode = new_mode; 3497 err = throttle_thermal_policy_write(asus); 3498 if (err) 3499 return err; 3500 3501 /* 3502 * Ensure that platform_profile updates userspace with the change to ensure 3503 * that platform_profile and throttle_thermal_policy_mode are in sync. 3504 */ 3505 platform_profile_notify(); 3506 3507 return count; 3508 } 3509 3510 // Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent 3511 static DEVICE_ATTR_RW(throttle_thermal_policy); 3512 3513 /* Platform profile ***********************************************************/ 3514 static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof, 3515 enum platform_profile_option *profile) 3516 { 3517 struct asus_wmi *asus; 3518 int tp; 3519 3520 asus = container_of(pprof, struct asus_wmi, platform_profile_handler); 3521 3522 tp = asus->throttle_thermal_policy_mode; 3523 3524 switch (tp) { 3525 case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT: 3526 *profile = PLATFORM_PROFILE_BALANCED; 3527 break; 3528 case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST: 3529 *profile = PLATFORM_PROFILE_PERFORMANCE; 3530 break; 3531 case ASUS_THROTTLE_THERMAL_POLICY_SILENT: 3532 *profile = PLATFORM_PROFILE_QUIET; 3533 break; 3534 default: 3535 return -EINVAL; 3536 } 3537 3538 return 0; 3539 } 3540 3541 static int asus_wmi_platform_profile_set(struct platform_profile_handler *pprof, 3542 enum platform_profile_option profile) 3543 { 3544 struct asus_wmi *asus; 3545 int tp; 3546 3547 asus = container_of(pprof, struct asus_wmi, platform_profile_handler); 3548 3549 switch (profile) { 3550 case PLATFORM_PROFILE_PERFORMANCE: 3551 tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST; 3552 break; 3553 case PLATFORM_PROFILE_BALANCED: 3554 tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; 3555 break; 3556 case PLATFORM_PROFILE_QUIET: 3557 tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT; 3558 break; 3559 default: 3560 return -EOPNOTSUPP; 3561 } 3562 3563 asus->throttle_thermal_policy_mode = tp; 3564 return throttle_thermal_policy_write(asus); 3565 } 3566 3567 static int platform_profile_setup(struct asus_wmi *asus) 3568 { 3569 struct device *dev = &asus->platform_device->dev; 3570 int err; 3571 3572 /* 3573 * Not an error if a component platform_profile relies on is unavailable 3574 * so early return, skipping the setup of platform_profile. 3575 */ 3576 if (!asus->throttle_thermal_policy_available) 3577 return 0; 3578 3579 dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n"); 3580 3581 asus->platform_profile_handler.profile_get = asus_wmi_platform_profile_get; 3582 asus->platform_profile_handler.profile_set = asus_wmi_platform_profile_set; 3583 3584 set_bit(PLATFORM_PROFILE_QUIET, asus->platform_profile_handler.choices); 3585 set_bit(PLATFORM_PROFILE_BALANCED, 3586 asus->platform_profile_handler.choices); 3587 set_bit(PLATFORM_PROFILE_PERFORMANCE, 3588 asus->platform_profile_handler.choices); 3589 3590 err = platform_profile_register(&asus->platform_profile_handler); 3591 if (err) 3592 return err; 3593 3594 asus->platform_profile_support = true; 3595 return 0; 3596 } 3597 3598 /* Backlight ******************************************************************/ 3599 3600 static int read_backlight_power(struct asus_wmi *asus) 3601 { 3602 int ret; 3603 3604 if (asus->driver->quirks->store_backlight_power) 3605 ret = !asus->driver->panel_power; 3606 else 3607 ret = asus_wmi_get_devstate_simple(asus, 3608 ASUS_WMI_DEVID_BACKLIGHT); 3609 3610 if (ret < 0) 3611 return ret; 3612 3613 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; 3614 } 3615 3616 static int read_brightness_max(struct asus_wmi *asus) 3617 { 3618 u32 retval; 3619 int err; 3620 3621 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); 3622 if (err < 0) 3623 return err; 3624 3625 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK; 3626 retval >>= 8; 3627 3628 if (!retval) 3629 return -ENODEV; 3630 3631 return retval; 3632 } 3633 3634 static int read_brightness(struct backlight_device *bd) 3635 { 3636 struct asus_wmi *asus = bl_get_data(bd); 3637 u32 retval; 3638 int err; 3639 3640 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); 3641 if (err < 0) 3642 return err; 3643 3644 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK; 3645 } 3646 3647 static u32 get_scalar_command(struct backlight_device *bd) 3648 { 3649 struct asus_wmi *asus = bl_get_data(bd); 3650 u32 ctrl_param = 0; 3651 3652 if ((asus->driver->brightness < bd->props.brightness) || 3653 bd->props.brightness == bd->props.max_brightness) 3654 ctrl_param = 0x00008001; 3655 else if ((asus->driver->brightness > bd->props.brightness) || 3656 bd->props.brightness == 0) 3657 ctrl_param = 0x00008000; 3658 3659 asus->driver->brightness = bd->props.brightness; 3660 3661 return ctrl_param; 3662 } 3663 3664 static int update_bl_status(struct backlight_device *bd) 3665 { 3666 struct asus_wmi *asus = bl_get_data(bd); 3667 u32 ctrl_param; 3668 int power, err = 0; 3669 3670 power = read_backlight_power(asus); 3671 if (power != -ENODEV && bd->props.power != power) { 3672 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK); 3673 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 3674 ctrl_param, NULL); 3675 if (asus->driver->quirks->store_backlight_power) 3676 asus->driver->panel_power = bd->props.power; 3677 3678 /* When using scalar brightness, updating the brightness 3679 * will mess with the backlight power */ 3680 if (asus->driver->quirks->scalar_panel_brightness) 3681 return err; 3682 } 3683 3684 if (asus->driver->quirks->scalar_panel_brightness) 3685 ctrl_param = get_scalar_command(bd); 3686 else 3687 ctrl_param = bd->props.brightness; 3688 3689 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS, 3690 ctrl_param, NULL); 3691 3692 return err; 3693 } 3694 3695 static const struct backlight_ops asus_wmi_bl_ops = { 3696 .get_brightness = read_brightness, 3697 .update_status = update_bl_status, 3698 }; 3699 3700 static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code) 3701 { 3702 struct backlight_device *bd = asus->backlight_device; 3703 int old = bd->props.brightness; 3704 int new = old; 3705 3706 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) 3707 new = code - NOTIFY_BRNUP_MIN + 1; 3708 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX) 3709 new = code - NOTIFY_BRNDOWN_MIN; 3710 3711 bd->props.brightness = new; 3712 backlight_update_status(bd); 3713 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); 3714 3715 return old; 3716 } 3717 3718 static int asus_wmi_backlight_init(struct asus_wmi *asus) 3719 { 3720 struct backlight_device *bd; 3721 struct backlight_properties props; 3722 int max; 3723 int power; 3724 3725 max = read_brightness_max(asus); 3726 if (max < 0) 3727 return max; 3728 3729 power = read_backlight_power(asus); 3730 if (power == -ENODEV) 3731 power = FB_BLANK_UNBLANK; 3732 else if (power < 0) 3733 return power; 3734 3735 memset(&props, 0, sizeof(struct backlight_properties)); 3736 props.type = BACKLIGHT_PLATFORM; 3737 props.max_brightness = max; 3738 bd = backlight_device_register(asus->driver->name, 3739 &asus->platform_device->dev, asus, 3740 &asus_wmi_bl_ops, &props); 3741 if (IS_ERR(bd)) { 3742 pr_err("Could not register backlight device\n"); 3743 return PTR_ERR(bd); 3744 } 3745 3746 asus->backlight_device = bd; 3747 3748 if (asus->driver->quirks->store_backlight_power) 3749 asus->driver->panel_power = power; 3750 3751 bd->props.brightness = read_brightness(bd); 3752 bd->props.power = power; 3753 backlight_update_status(bd); 3754 3755 asus->driver->brightness = bd->props.brightness; 3756 3757 return 0; 3758 } 3759 3760 static void asus_wmi_backlight_exit(struct asus_wmi *asus) 3761 { 3762 backlight_device_unregister(asus->backlight_device); 3763 3764 asus->backlight_device = NULL; 3765 } 3766 3767 static int is_display_toggle(int code) 3768 { 3769 /* display toggle keys */ 3770 if ((code >= 0x61 && code <= 0x67) || 3771 (code >= 0x8c && code <= 0x93) || 3772 (code >= 0xa0 && code <= 0xa7) || 3773 (code >= 0xd0 && code <= 0xd5)) 3774 return 1; 3775 3776 return 0; 3777 } 3778 3779 /* Fn-lock ********************************************************************/ 3780 3781 static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus) 3782 { 3783 u32 result; 3784 3785 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result); 3786 3787 return (result & ASUS_WMI_DSTS_PRESENCE_BIT) && 3788 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED); 3789 } 3790 3791 static void asus_wmi_fnlock_update(struct asus_wmi *asus) 3792 { 3793 int mode = asus->fnlock_locked; 3794 3795 asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL); 3796 } 3797 3798 /* WMI events *****************************************************************/ 3799 3800 static int asus_wmi_get_event_code(u32 value) 3801 { 3802 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; 3803 union acpi_object *obj; 3804 acpi_status status; 3805 int code; 3806 3807 status = wmi_get_event_data(value, &response); 3808 if (ACPI_FAILURE(status)) { 3809 pr_warn("Failed to get WMI notify code: %s\n", 3810 acpi_format_exception(status)); 3811 return -EIO; 3812 } 3813 3814 obj = (union acpi_object *)response.pointer; 3815 3816 if (obj && obj->type == ACPI_TYPE_INTEGER) 3817 code = (int)(obj->integer.value & WMI_EVENT_MASK); 3818 else 3819 code = -EIO; 3820 3821 kfree(obj); 3822 return code; 3823 } 3824 3825 static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus) 3826 { 3827 unsigned int key_value = 1; 3828 bool autorelease = 1; 3829 3830 if (asus->driver->key_filter) { 3831 asus->driver->key_filter(asus->driver, &code, &key_value, 3832 &autorelease); 3833 if (code == ASUS_WMI_KEY_IGNORE) 3834 return; 3835 } 3836 3837 if (acpi_video_get_backlight_type() == acpi_backlight_vendor && 3838 code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNDOWN_MAX) { 3839 asus_wmi_backlight_notify(asus, code); 3840 return; 3841 } 3842 3843 if (code == NOTIFY_KBD_BRTUP) { 3844 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1); 3845 return; 3846 } 3847 if (code == NOTIFY_KBD_BRTDWN) { 3848 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1); 3849 return; 3850 } 3851 if (code == NOTIFY_KBD_BRTTOGGLE) { 3852 if (asus->kbd_led_wk == asus->kbd_led.max_brightness) 3853 kbd_led_set_by_kbd(asus, 0); 3854 else 3855 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1); 3856 return; 3857 } 3858 3859 if (code == NOTIFY_FNLOCK_TOGGLE) { 3860 asus->fnlock_locked = !asus->fnlock_locked; 3861 asus_wmi_fnlock_update(asus); 3862 return; 3863 } 3864 3865 if (code == asus->tablet_switch_event_code) { 3866 asus_wmi_tablet_mode_get_state(asus); 3867 return; 3868 } 3869 3870 if (code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_TTP) { 3871 if (asus->fan_boost_mode_available) 3872 fan_boost_mode_switch_next(asus); 3873 if (asus->throttle_thermal_policy_available) 3874 throttle_thermal_policy_switch_next(asus); 3875 return; 3876 3877 } 3878 3879 if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle) 3880 return; 3881 3882 if (!sparse_keymap_report_event(asus->inputdev, code, 3883 key_value, autorelease)) 3884 pr_info("Unknown key code 0x%x\n", code); 3885 } 3886 3887 static void asus_wmi_notify(u32 value, void *context) 3888 { 3889 struct asus_wmi *asus = context; 3890 int code; 3891 int i; 3892 3893 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) { 3894 code = asus_wmi_get_event_code(value); 3895 if (code < 0) { 3896 pr_warn("Failed to get notify code: %d\n", code); 3897 return; 3898 } 3899 3900 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK) 3901 return; 3902 3903 asus_wmi_handle_event_code(code, asus); 3904 3905 /* 3906 * Double check that queue is present: 3907 * ATK (with queue) uses 0xff, ASUSWMI (without) 0xd2. 3908 */ 3909 if (!asus->wmi_event_queue || value != WMI_EVENT_VALUE_ATK) 3910 return; 3911 } 3912 3913 pr_warn("Failed to process event queue, last code: 0x%x\n", code); 3914 } 3915 3916 static int asus_wmi_notify_queue_flush(struct asus_wmi *asus) 3917 { 3918 int code; 3919 int i; 3920 3921 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) { 3922 code = asus_wmi_get_event_code(WMI_EVENT_VALUE_ATK); 3923 if (code < 0) { 3924 pr_warn("Failed to get event during flush: %d\n", code); 3925 return code; 3926 } 3927 3928 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK) 3929 return 0; 3930 } 3931 3932 pr_warn("Failed to flush event queue\n"); 3933 return -EIO; 3934 } 3935 3936 /* Sysfs **********************************************************************/ 3937 3938 static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid, 3939 const char *buf, size_t count) 3940 { 3941 u32 retval; 3942 int err, value; 3943 3944 value = asus_wmi_get_devstate_simple(asus, devid); 3945 if (value < 0) 3946 return value; 3947 3948 err = kstrtoint(buf, 0, &value); 3949 if (err) 3950 return err; 3951 3952 err = asus_wmi_set_devstate(devid, value, &retval); 3953 if (err < 0) 3954 return err; 3955 3956 return count; 3957 } 3958 3959 static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf) 3960 { 3961 int value = asus_wmi_get_devstate_simple(asus, devid); 3962 3963 if (value < 0) 3964 return value; 3965 3966 return sprintf(buf, "%d\n", value); 3967 } 3968 3969 #define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ 3970 static ssize_t show_##_name(struct device *dev, \ 3971 struct device_attribute *attr, \ 3972 char *buf) \ 3973 { \ 3974 struct asus_wmi *asus = dev_get_drvdata(dev); \ 3975 \ 3976 return show_sys_wmi(asus, _cm, buf); \ 3977 } \ 3978 static ssize_t store_##_name(struct device *dev, \ 3979 struct device_attribute *attr, \ 3980 const char *buf, size_t count) \ 3981 { \ 3982 struct asus_wmi *asus = dev_get_drvdata(dev); \ 3983 \ 3984 return store_sys_wmi(asus, _cm, buf, count); \ 3985 } \ 3986 static struct device_attribute dev_attr_##_name = { \ 3987 .attr = { \ 3988 .name = __stringify(_name), \ 3989 .mode = _mode }, \ 3990 .show = show_##_name, \ 3991 .store = store_##_name, \ 3992 } 3993 3994 ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD); 3995 ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA); 3996 ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER); 3997 ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME); 3998 ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE); 3999 4000 static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr, 4001 const char *buf, size_t count) 4002 { 4003 int value, rv; 4004 4005 rv = kstrtoint(buf, 0, &value); 4006 if (rv) 4007 return rv; 4008 4009 if (value < 0 || value > 2) 4010 return -EINVAL; 4011 4012 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL); 4013 if (rv < 0) 4014 return rv; 4015 4016 return count; 4017 } 4018 4019 static DEVICE_ATTR_WO(cpufv); 4020 4021 static struct attribute *platform_attributes[] = { 4022 &dev_attr_cpufv.attr, 4023 &dev_attr_camera.attr, 4024 &dev_attr_cardr.attr, 4025 &dev_attr_touchpad.attr, 4026 &dev_attr_charge_mode.attr, 4027 &dev_attr_egpu_enable.attr, 4028 &dev_attr_egpu_connected.attr, 4029 &dev_attr_dgpu_disable.attr, 4030 &dev_attr_gpu_mux_mode.attr, 4031 &dev_attr_lid_resume.attr, 4032 &dev_attr_als_enable.attr, 4033 &dev_attr_fan_boost_mode.attr, 4034 &dev_attr_throttle_thermal_policy.attr, 4035 &dev_attr_ppt_pl2_sppt.attr, 4036 &dev_attr_ppt_pl1_spl.attr, 4037 &dev_attr_ppt_fppt.attr, 4038 &dev_attr_ppt_apu_sppt.attr, 4039 &dev_attr_ppt_platform_sppt.attr, 4040 &dev_attr_nv_dynamic_boost.attr, 4041 &dev_attr_nv_temp_target.attr, 4042 &dev_attr_panel_od.attr, 4043 &dev_attr_mini_led_mode.attr, 4044 NULL 4045 }; 4046 4047 static umode_t asus_sysfs_is_visible(struct kobject *kobj, 4048 struct attribute *attr, int idx) 4049 { 4050 struct device *dev = kobj_to_dev(kobj); 4051 struct asus_wmi *asus = dev_get_drvdata(dev); 4052 bool ok = true; 4053 int devid = -1; 4054 4055 if (attr == &dev_attr_camera.attr) 4056 devid = ASUS_WMI_DEVID_CAMERA; 4057 else if (attr == &dev_attr_cardr.attr) 4058 devid = ASUS_WMI_DEVID_CARDREADER; 4059 else if (attr == &dev_attr_touchpad.attr) 4060 devid = ASUS_WMI_DEVID_TOUCHPAD; 4061 else if (attr == &dev_attr_lid_resume.attr) 4062 devid = ASUS_WMI_DEVID_LID_RESUME; 4063 else if (attr == &dev_attr_als_enable.attr) 4064 devid = ASUS_WMI_DEVID_ALS_ENABLE; 4065 else if (attr == &dev_attr_charge_mode.attr) 4066 ok = asus->charge_mode_available; 4067 else if (attr == &dev_attr_egpu_enable.attr) 4068 ok = asus->egpu_enable_available; 4069 else if (attr == &dev_attr_egpu_connected.attr) 4070 ok = asus->egpu_connect_available; 4071 else if (attr == &dev_attr_dgpu_disable.attr) 4072 ok = asus->dgpu_disable_available; 4073 else if (attr == &dev_attr_gpu_mux_mode.attr) 4074 ok = asus->gpu_mux_mode_available; 4075 else if (attr == &dev_attr_fan_boost_mode.attr) 4076 ok = asus->fan_boost_mode_available; 4077 else if (attr == &dev_attr_throttle_thermal_policy.attr) 4078 ok = asus->throttle_thermal_policy_available; 4079 else if (attr == &dev_attr_ppt_pl2_sppt.attr) 4080 ok = asus->ppt_pl2_sppt_available; 4081 else if (attr == &dev_attr_ppt_pl1_spl.attr) 4082 ok = asus->ppt_pl1_spl_available; 4083 else if (attr == &dev_attr_ppt_fppt.attr) 4084 ok = asus->ppt_fppt_available; 4085 else if (attr == &dev_attr_ppt_apu_sppt.attr) 4086 ok = asus->ppt_apu_sppt_available; 4087 else if (attr == &dev_attr_ppt_platform_sppt.attr) 4088 ok = asus->ppt_plat_sppt_available; 4089 else if (attr == &dev_attr_nv_dynamic_boost.attr) 4090 ok = asus->nv_dyn_boost_available; 4091 else if (attr == &dev_attr_nv_temp_target.attr) 4092 ok = asus->nv_temp_tgt_available; 4093 else if (attr == &dev_attr_panel_od.attr) 4094 ok = asus->panel_overdrive_available; 4095 else if (attr == &dev_attr_mini_led_mode.attr) 4096 ok = asus->mini_led_mode_available; 4097 4098 if (devid != -1) 4099 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); 4100 4101 return ok ? attr->mode : 0; 4102 } 4103 4104 static const struct attribute_group platform_attribute_group = { 4105 .is_visible = asus_sysfs_is_visible, 4106 .attrs = platform_attributes 4107 }; 4108 4109 static void asus_wmi_sysfs_exit(struct platform_device *device) 4110 { 4111 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group); 4112 } 4113 4114 static int asus_wmi_sysfs_init(struct platform_device *device) 4115 { 4116 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group); 4117 } 4118 4119 /* Platform device ************************************************************/ 4120 4121 static int asus_wmi_platform_init(struct asus_wmi *asus) 4122 { 4123 struct device *dev = &asus->platform_device->dev; 4124 char *wmi_uid; 4125 int rv; 4126 4127 /* INIT enable hotkeys on some models */ 4128 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv)) 4129 pr_info("Initialization: %#x\n", rv); 4130 4131 /* We don't know yet what to do with this version... */ 4132 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) { 4133 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF); 4134 asus->spec = rv; 4135 } 4136 4137 /* 4138 * The SFUN method probably allows the original driver to get the list 4139 * of features supported by a given model. For now, 0x0100 or 0x0800 4140 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. 4141 * The significance of others is yet to be found. 4142 */ 4143 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) { 4144 pr_info("SFUN value: %#x\n", rv); 4145 asus->sfun = rv; 4146 } 4147 4148 /* 4149 * Eee PC and Notebooks seems to have different method_id for DSTS, 4150 * but it may also be related to the BIOS's SPEC. 4151 * Note, on most Eeepc, there is no way to check if a method exist 4152 * or note, while on notebooks, they returns 0xFFFFFFFE on failure, 4153 * but once again, SPEC may probably be used for that kind of things. 4154 * 4155 * Additionally at least TUF Gaming series laptops return nothing for 4156 * unknown methods, so the detection in this way is not possible. 4157 * 4158 * There is strong indication that only ACPI WMI devices that have _UID 4159 * equal to "ASUSWMI" use DCTS whereas those with "ATK" use DSTS. 4160 */ 4161 wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID); 4162 if (!wmi_uid) 4163 return -ENODEV; 4164 4165 if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) { 4166 dev_info(dev, "Detected ASUSWMI, use DCTS\n"); 4167 asus->dsts_id = ASUS_WMI_METHODID_DCTS; 4168 } else { 4169 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid); 4170 asus->dsts_id = ASUS_WMI_METHODID_DSTS; 4171 } 4172 4173 /* 4174 * Some devices can have multiple event codes stored in a queue before 4175 * the module load if it was unloaded intermittently after calling 4176 * the INIT method (enables event handling). The WMI notify handler is 4177 * expected to retrieve all event codes until a retrieved code equals 4178 * queue end marker (One or Ones). Old codes are flushed from the queue 4179 * upon module load. Not enabling this when it should be has minimal 4180 * visible impact so fall back if anything goes wrong. 4181 */ 4182 wmi_uid = wmi_get_acpi_device_uid(asus->driver->event_guid); 4183 if (wmi_uid && !strcmp(wmi_uid, ASUS_ACPI_UID_ATK)) { 4184 dev_info(dev, "Detected ATK, enable event queue\n"); 4185 4186 if (!asus_wmi_notify_queue_flush(asus)) 4187 asus->wmi_event_queue = true; 4188 } 4189 4190 /* CWAP allow to define the behavior of the Fn+F2 key, 4191 * this method doesn't seems to be present on Eee PCs */ 4192 if (asus->driver->quirks->wapf >= 0) 4193 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP, 4194 asus->driver->quirks->wapf, NULL); 4195 4196 return 0; 4197 } 4198 4199 /* debugfs ********************************************************************/ 4200 4201 struct asus_wmi_debugfs_node { 4202 struct asus_wmi *asus; 4203 char *name; 4204 int (*show) (struct seq_file *m, void *data); 4205 }; 4206 4207 static int show_dsts(struct seq_file *m, void *data) 4208 { 4209 struct asus_wmi *asus = m->private; 4210 int err; 4211 u32 retval = -1; 4212 4213 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); 4214 if (err < 0) 4215 return err; 4216 4217 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval); 4218 4219 return 0; 4220 } 4221 4222 static int show_devs(struct seq_file *m, void *data) 4223 { 4224 struct asus_wmi *asus = m->private; 4225 int err; 4226 u32 retval = -1; 4227 4228 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, 4229 &retval); 4230 if (err < 0) 4231 return err; 4232 4233 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id, 4234 asus->debug.ctrl_param, retval); 4235 4236 return 0; 4237 } 4238 4239 static int show_call(struct seq_file *m, void *data) 4240 { 4241 struct asus_wmi *asus = m->private; 4242 struct bios_args args = { 4243 .arg0 = asus->debug.dev_id, 4244 .arg1 = asus->debug.ctrl_param, 4245 }; 4246 struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; 4247 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 4248 union acpi_object *obj; 4249 acpi_status status; 4250 4251 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 4252 0, asus->debug.method_id, 4253 &input, &output); 4254 4255 if (ACPI_FAILURE(status)) 4256 return -EIO; 4257 4258 obj = (union acpi_object *)output.pointer; 4259 if (obj && obj->type == ACPI_TYPE_INTEGER) 4260 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id, 4261 asus->debug.dev_id, asus->debug.ctrl_param, 4262 (u32) obj->integer.value); 4263 else 4264 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id, 4265 asus->debug.dev_id, asus->debug.ctrl_param, 4266 obj ? obj->type : -1); 4267 4268 kfree(obj); 4269 4270 return 0; 4271 } 4272 4273 static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = { 4274 {NULL, "devs", show_devs}, 4275 {NULL, "dsts", show_dsts}, 4276 {NULL, "call", show_call}, 4277 }; 4278 4279 static int asus_wmi_debugfs_open(struct inode *inode, struct file *file) 4280 { 4281 struct asus_wmi_debugfs_node *node = inode->i_private; 4282 4283 return single_open(file, node->show, node->asus); 4284 } 4285 4286 static const struct file_operations asus_wmi_debugfs_io_ops = { 4287 .owner = THIS_MODULE, 4288 .open = asus_wmi_debugfs_open, 4289 .read = seq_read, 4290 .llseek = seq_lseek, 4291 .release = single_release, 4292 }; 4293 4294 static void asus_wmi_debugfs_exit(struct asus_wmi *asus) 4295 { 4296 debugfs_remove_recursive(asus->debug.root); 4297 } 4298 4299 static void asus_wmi_debugfs_init(struct asus_wmi *asus) 4300 { 4301 int i; 4302 4303 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL); 4304 4305 debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root, 4306 &asus->debug.method_id); 4307 4308 debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root, 4309 &asus->debug.dev_id); 4310 4311 debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root, 4312 &asus->debug.ctrl_param); 4313 4314 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) { 4315 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i]; 4316 4317 node->asus = asus; 4318 debugfs_create_file(node->name, S_IFREG | S_IRUGO, 4319 asus->debug.root, node, 4320 &asus_wmi_debugfs_io_ops); 4321 } 4322 } 4323 4324 /* Init / exit ****************************************************************/ 4325 4326 static int asus_wmi_add(struct platform_device *pdev) 4327 { 4328 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); 4329 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); 4330 struct asus_wmi *asus; 4331 acpi_status status; 4332 int err; 4333 u32 result; 4334 4335 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL); 4336 if (!asus) 4337 return -ENOMEM; 4338 4339 asus->driver = wdrv; 4340 asus->platform_device = pdev; 4341 wdrv->platform_device = pdev; 4342 platform_set_drvdata(asus->platform_device, asus); 4343 4344 if (wdrv->detect_quirks) 4345 wdrv->detect_quirks(asus->driver); 4346 4347 err = asus_wmi_platform_init(asus); 4348 if (err) 4349 goto fail_platform; 4350 4351 asus->charge_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CHARGE_MODE); 4352 asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU); 4353 asus->egpu_connect_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); 4354 asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU); 4355 asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX); 4356 asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE); 4357 asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE); 4358 asus->ppt_pl2_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL2_SPPT); 4359 asus->ppt_pl1_spl_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL1_SPL); 4360 asus->ppt_fppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_FPPT); 4361 asus->ppt_apu_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_APU_SPPT); 4362 asus->ppt_plat_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PLAT_SPPT); 4363 asus->nv_dyn_boost_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_DYN_BOOST); 4364 asus->nv_temp_tgt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_THERM_TARGET); 4365 asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD); 4366 asus->mini_led_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE); 4367 4368 err = fan_boost_mode_check_present(asus); 4369 if (err) 4370 goto fail_fan_boost_mode; 4371 4372 err = throttle_thermal_policy_check_present(asus); 4373 if (err) 4374 goto fail_throttle_thermal_policy; 4375 else 4376 throttle_thermal_policy_set_default(asus); 4377 4378 err = platform_profile_setup(asus); 4379 if (err) 4380 goto fail_platform_profile_setup; 4381 4382 err = asus_wmi_sysfs_init(asus->platform_device); 4383 if (err) 4384 goto fail_sysfs; 4385 4386 err = asus_wmi_input_init(asus); 4387 if (err) 4388 goto fail_input; 4389 4390 err = asus_wmi_fan_init(asus); /* probably no problems on error */ 4391 4392 err = asus_wmi_hwmon_init(asus); 4393 if (err) 4394 goto fail_hwmon; 4395 4396 err = asus_wmi_custom_fan_curve_init(asus); 4397 if (err) 4398 goto fail_custom_fan_curve; 4399 4400 err = asus_wmi_led_init(asus); 4401 if (err) 4402 goto fail_leds; 4403 4404 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); 4405 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) 4406 asus->driver->wlan_ctrl_by_user = 1; 4407 4408 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) { 4409 err = asus_wmi_rfkill_init(asus); 4410 if (err) 4411 goto fail_rfkill; 4412 } 4413 4414 if (asus->driver->quirks->wmi_force_als_set) 4415 asus_wmi_set_als(); 4416 4417 if (asus->driver->quirks->xusb2pr) 4418 asus_wmi_set_xusb2pr(asus); 4419 4420 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { 4421 err = asus_wmi_backlight_init(asus); 4422 if (err && err != -ENODEV) 4423 goto fail_backlight; 4424 } else if (asus->driver->quirks->wmi_backlight_set_devstate) 4425 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL); 4426 4427 if (asus_wmi_has_fnlock_key(asus)) { 4428 asus->fnlock_locked = fnlock_default; 4429 asus_wmi_fnlock_update(asus); 4430 } 4431 4432 status = wmi_install_notify_handler(asus->driver->event_guid, 4433 asus_wmi_notify, asus); 4434 if (ACPI_FAILURE(status)) { 4435 pr_err("Unable to register notify handler - %d\n", status); 4436 err = -ENODEV; 4437 goto fail_wmi_handler; 4438 } 4439 4440 asus_wmi_battery_init(asus); 4441 4442 asus_wmi_debugfs_init(asus); 4443 4444 return 0; 4445 4446 fail_wmi_handler: 4447 asus_wmi_backlight_exit(asus); 4448 fail_backlight: 4449 asus_wmi_rfkill_exit(asus); 4450 fail_rfkill: 4451 asus_wmi_led_exit(asus); 4452 fail_leds: 4453 fail_hwmon: 4454 asus_wmi_input_exit(asus); 4455 fail_input: 4456 asus_wmi_sysfs_exit(asus->platform_device); 4457 fail_sysfs: 4458 fail_throttle_thermal_policy: 4459 fail_custom_fan_curve: 4460 fail_platform_profile_setup: 4461 if (asus->platform_profile_support) 4462 platform_profile_remove(); 4463 fail_fan_boost_mode: 4464 fail_platform: 4465 kfree(asus); 4466 return err; 4467 } 4468 4469 static int asus_wmi_remove(struct platform_device *device) 4470 { 4471 struct asus_wmi *asus; 4472 4473 asus = platform_get_drvdata(device); 4474 wmi_remove_notify_handler(asus->driver->event_guid); 4475 asus_wmi_backlight_exit(asus); 4476 asus_wmi_input_exit(asus); 4477 asus_wmi_led_exit(asus); 4478 asus_wmi_rfkill_exit(asus); 4479 asus_wmi_debugfs_exit(asus); 4480 asus_wmi_sysfs_exit(asus->platform_device); 4481 asus_fan_set_auto(asus); 4482 throttle_thermal_policy_set_default(asus); 4483 asus_wmi_battery_exit(asus); 4484 4485 if (asus->platform_profile_support) 4486 platform_profile_remove(); 4487 4488 kfree(asus); 4489 return 0; 4490 } 4491 4492 /* Platform driver - hibernate/resume callbacks *******************************/ 4493 4494 static int asus_hotk_thaw(struct device *device) 4495 { 4496 struct asus_wmi *asus = dev_get_drvdata(device); 4497 4498 if (asus->wlan.rfkill) { 4499 bool wlan; 4500 4501 /* 4502 * Work around bios bug - acpi _PTS turns off the wireless led 4503 * during suspend. Normally it restores it on resume, but 4504 * we should kick it ourselves in case hibernation is aborted. 4505 */ 4506 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); 4507 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL); 4508 } 4509 4510 return 0; 4511 } 4512 4513 static int asus_hotk_resume(struct device *device) 4514 { 4515 struct asus_wmi *asus = dev_get_drvdata(device); 4516 4517 if (!IS_ERR_OR_NULL(asus->kbd_led.dev)) 4518 kbd_led_update(asus); 4519 4520 if (asus_wmi_has_fnlock_key(asus)) 4521 asus_wmi_fnlock_update(asus); 4522 4523 asus_wmi_tablet_mode_get_state(asus); 4524 return 0; 4525 } 4526 4527 static int asus_hotk_restore(struct device *device) 4528 { 4529 struct asus_wmi *asus = dev_get_drvdata(device); 4530 int bl; 4531 4532 /* Refresh both wlan rfkill state and pci hotplug */ 4533 if (asus->wlan.rfkill) 4534 asus_rfkill_hotplug(asus); 4535 4536 if (asus->bluetooth.rfkill) { 4537 bl = !asus_wmi_get_devstate_simple(asus, 4538 ASUS_WMI_DEVID_BLUETOOTH); 4539 rfkill_set_sw_state(asus->bluetooth.rfkill, bl); 4540 } 4541 if (asus->wimax.rfkill) { 4542 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX); 4543 rfkill_set_sw_state(asus->wimax.rfkill, bl); 4544 } 4545 if (asus->wwan3g.rfkill) { 4546 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G); 4547 rfkill_set_sw_state(asus->wwan3g.rfkill, bl); 4548 } 4549 if (asus->gps.rfkill) { 4550 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS); 4551 rfkill_set_sw_state(asus->gps.rfkill, bl); 4552 } 4553 if (asus->uwb.rfkill) { 4554 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB); 4555 rfkill_set_sw_state(asus->uwb.rfkill, bl); 4556 } 4557 if (!IS_ERR_OR_NULL(asus->kbd_led.dev)) 4558 kbd_led_update(asus); 4559 4560 if (asus_wmi_has_fnlock_key(asus)) 4561 asus_wmi_fnlock_update(asus); 4562 4563 asus_wmi_tablet_mode_get_state(asus); 4564 return 0; 4565 } 4566 4567 static const struct dev_pm_ops asus_pm_ops = { 4568 .thaw = asus_hotk_thaw, 4569 .restore = asus_hotk_restore, 4570 .resume = asus_hotk_resume, 4571 }; 4572 4573 /* Registration ***************************************************************/ 4574 4575 static int asus_wmi_probe(struct platform_device *pdev) 4576 { 4577 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); 4578 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); 4579 int ret; 4580 4581 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { 4582 pr_warn("ASUS Management GUID not found\n"); 4583 return -ENODEV; 4584 } 4585 4586 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) { 4587 pr_warn("ASUS Event GUID not found\n"); 4588 return -ENODEV; 4589 } 4590 4591 if (wdrv->probe) { 4592 ret = wdrv->probe(pdev); 4593 if (ret) 4594 return ret; 4595 } 4596 4597 return asus_wmi_add(pdev); 4598 } 4599 4600 static bool used; 4601 4602 int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver) 4603 { 4604 struct platform_driver *platform_driver; 4605 struct platform_device *platform_device; 4606 4607 if (used) 4608 return -EBUSY; 4609 4610 platform_driver = &driver->platform_driver; 4611 platform_driver->remove = asus_wmi_remove; 4612 platform_driver->driver.owner = driver->owner; 4613 platform_driver->driver.name = driver->name; 4614 platform_driver->driver.pm = &asus_pm_ops; 4615 4616 platform_device = platform_create_bundle(platform_driver, 4617 asus_wmi_probe, 4618 NULL, 0, NULL, 0); 4619 if (IS_ERR(platform_device)) 4620 return PTR_ERR(platform_device); 4621 4622 used = true; 4623 return 0; 4624 } 4625 EXPORT_SYMBOL_GPL(asus_wmi_register_driver); 4626 4627 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver) 4628 { 4629 platform_device_unregister(driver->platform_device); 4630 platform_driver_unregister(&driver->platform_driver); 4631 used = false; 4632 } 4633 EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver); 4634 4635 static int __init asus_wmi_init(void) 4636 { 4637 pr_info("ASUS WMI generic driver loaded\n"); 4638 return 0; 4639 } 4640 4641 static void __exit asus_wmi_exit(void) 4642 { 4643 pr_info("ASUS WMI generic driver unloaded\n"); 4644 } 4645 4646 module_init(asus_wmi_init); 4647 module_exit(asus_wmi_exit); 4648