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Merge branch 'x86/boot' into x86/mm, to avoid conflict
[mirror_ubuntu-focal-kernel.git] / drivers / platform / x86 / asus-wmi.c
CommitLineData
ee027e4a 1/*
e12e6d94 2 * Asus PC WMI hotkey driver
ee027e4a
YW		 3 *
4 * Copyright(C) 2010 Intel Corporation.
57ab7dae 5 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
ee027e4a
YW		 6 *
7 * Portions based on wistron_btns.c:
8 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
9 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
10 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 */
26
81248889
YW		 27#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
28
ee027e4a
YW		 29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/init.h>
32#include <linux/types.h>
a32f3926 33#include <linux/slab.h>
ee027e4a
YW		 34#include <linux/input.h>
35#include <linux/input/sparse-keymap.h>
3d7b1655
YW		 36#include <linux/fb.h>
37#include <linux/backlight.h>
084fca63 38#include <linux/leds.h>
ba48fdb9 39#include <linux/rfkill.h>
afa7c886
CC		 40#include <linux/pci.h>
41#include <linux/pci_hotplug.h>
e07babde
CC		 42#include <linux/hwmon.h>
43#include <linux/hwmon-sysfs.h>
8c1b2d83
CC		 44#include <linux/debugfs.h>
45#include <linux/seq_file.h>
45f2c693 46#include <linux/platform_device.h>
6118b8ad 47#include <linux/thermal.h>
8b48463f 48#include <linux/acpi.h>
d8c66f62 49#include <linux/dmi.h>
272c77d5 50#include <acpi/video.h>
ee027e4a 51
e12e6d94 52#include "asus-wmi.h"
45f2c693 53
5909c654 54MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>, "
e12e6d94
CC		 55 "Yong Wang <yong.y.wang@intel.com>");
56MODULE_DESCRIPTION("Asus Generic WMI Driver");
ee027e4a
YW		 57MODULE_LICENSE("GPL");
58
e12e6d94
CC		 59#define to_asus_wmi_driver(pdrv) \
60 (container_of((pdrv), struct asus_wmi_driver, platform_driver))
ee027e4a 61
e12e6d94 62#define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
ee027e4a 63
33e0e6fe
CC		 64#define NOTIFY_BRNUP_MIN 0x11
65#define NOTIFY_BRNUP_MAX 0x1f
66#define NOTIFY_BRNDOWN_MIN 0x20
67#define NOTIFY_BRNDOWN_MAX 0x2e
e9809c0b
CC		 68#define NOTIFY_KBD_BRTUP 0xc4
69#define NOTIFY_KBD_BRTDWN 0xc5
ee027e4a 70
43815941 71/* WMI Methods */
2f686b54
CC		 72#define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */
73#define ASUS_WMI_METHODID_SFBD 0x44424653 /* Set First Boot Device */
74#define ASUS_WMI_METHODID_GLCD 0x44434C47 /* Get LCD status */
75#define ASUS_WMI_METHODID_GPID 0x44495047 /* Get Panel ID?? (Resol) */
76#define ASUS_WMI_METHODID_QMOD 0x444F4D51 /* Quiet MODe */
77#define ASUS_WMI_METHODID_SPLV 0x4C425053 /* Set Panel Light Value */
53e755c2 78#define ASUS_WMI_METHODID_AGFN 0x4E464741 /* FaN? */
2f686b54
CC		 79#define ASUS_WMI_METHODID_SFUN 0x4E554653 /* FUNCtionalities */
80#define ASUS_WMI_METHODID_SDSP 0x50534453 /* Set DiSPlay output */
81#define ASUS_WMI_METHODID_GDSP 0x50534447 /* Get DiSPlay output */
82#define ASUS_WMI_METHODID_DEVP 0x50564544 /* DEVice Policy */
83#define ASUS_WMI_METHODID_OSVR 0x5256534F /* OS VeRsion */
84#define ASUS_WMI_METHODID_DSTS 0x53544344 /* Device STatuS */
85#define ASUS_WMI_METHODID_DSTS2 0x53545344 /* Device STatuS #2*/
86#define ASUS_WMI_METHODID_BSTS 0x53545342 /* Bios STatuS ? */
87#define ASUS_WMI_METHODID_DEVS 0x53564544 /* DEVice Set */
88#define ASUS_WMI_METHODID_CFVS 0x53564643 /* CPU Frequency Volt Set */
89#define ASUS_WMI_METHODID_KBFT 0x5446424B /* KeyBoard FilTer */
90#define ASUS_WMI_METHODID_INIT 0x54494E49 /* INITialize */
91#define ASUS_WMI_METHODID_HKEY 0x59454B48 /* Hot KEY ?? */
3d7b1655 92
d33da3b6
CC		 93#define ASUS_WMI_UNSUPPORTED_METHOD 0xFFFFFFFE
94
43815941 95/* Wireless */
2f686b54
CC		 96#define ASUS_WMI_DEVID_HW_SWITCH 0x00010001
97#define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002
79ec1172 98#define ASUS_WMI_DEVID_CWAP 0x00010003
e12e6d94 99#define ASUS_WMI_DEVID_WLAN 0x00010011
a50bd128 100#define ASUS_WMI_DEVID_WLAN_LED 0x00010012
e12e6d94 101#define ASUS_WMI_DEVID_BLUETOOTH 0x00010013
2f686b54 102#define ASUS_WMI_DEVID_GPS 0x00010015
e12e6d94
CC		 103#define ASUS_WMI_DEVID_WIMAX 0x00010017
104#define ASUS_WMI_DEVID_WWAN3G 0x00010019
2f686b54
CC		 105#define ASUS_WMI_DEVID_UWB 0x00010021
106
107/* Leds */
108/* 0x000200XX and 0x000400XX */
79ec1172
CC		 109#define ASUS_WMI_DEVID_LED1 0x00020011
110#define ASUS_WMI_DEVID_LED2 0x00020012
111#define ASUS_WMI_DEVID_LED3 0x00020013
112#define ASUS_WMI_DEVID_LED4 0x00020014
113#define ASUS_WMI_DEVID_LED5 0x00020015
114#define ASUS_WMI_DEVID_LED6 0x00020016
43815941
CC		 115
116/* Backlight and Brightness */
aca234f6 117#define ASUS_WMI_DEVID_ALS_ENABLE 0x00050001 /* Ambient Light Sensor */
e12e6d94
CC		 118#define ASUS_WMI_DEVID_BACKLIGHT 0x00050011
119#define ASUS_WMI_DEVID_BRIGHTNESS 0x00050012
2f686b54
CC		 120#define ASUS_WMI_DEVID_KBD_BACKLIGHT 0x00050021
121#define ASUS_WMI_DEVID_LIGHT_SENSOR 0x00050022 /* ?? */
43815941
CC		 122
123/* Misc */
e12e6d94 124#define ASUS_WMI_DEVID_CAMERA 0x00060013
43815941
CC		 125
126/* Storage */
e12e6d94 127#define ASUS_WMI_DEVID_CARDREADER 0x00080013
43815941
CC		 128
129/* Input */
57ab7dae 130#define ASUS_WMI_DEVID_TOUCHPAD 0x00100011
e12e6d94 131#define ASUS_WMI_DEVID_TOUCHPAD_LED 0x00100012
3d7b1655 132
2f686b54
CC		 133/* Fan, Thermal */
134#define ASUS_WMI_DEVID_THERMAL_CTRL 0x00110011
135#define ASUS_WMI_DEVID_FAN_CTRL 0x00110012
136
137/* Power */
138#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012
139
c0b91b6d
AK		 140/* Deep S3 / Resume on LID open */
141#define ASUS_WMI_DEVID_LID_RESUME 0x00120031
142
43815941 143/* DSTS masks */
e12e6d94 144#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
a75fe0d7 145#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002
e12e6d94 146#define ASUS_WMI_DSTS_PRESENCE_BIT 0x00010000
2f686b54
CC		 147#define ASUS_WMI_DSTS_USER_BIT 0x00020000
148#define ASUS_WMI_DSTS_BIOS_BIT 0x00040000
e12e6d94
CC		 149#define ASUS_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF
150#define ASUS_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00
ee027e4a 151
53e755c2
KB		 152#define ASUS_FAN_DESC "cpu_fan"
153#define ASUS_FAN_MFUN 0x13
154#define ASUS_FAN_SFUN_READ 0x06
155#define ASUS_FAN_SFUN_WRITE 0x07
156#define ASUS_FAN_CTRL_MANUAL 1
157#define ASUS_FAN_CTRL_AUTO 2
158
8023eff1
KCH		 159#define USB_INTEL_XUSB2PR 0xD0
160#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
161
71050ae7
JPRV		 162static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
163
3d7b1655 164struct bios_args {
d33da3b6
CC		 165 u32 arg0;
166 u32 arg1;
167} __packed;
3d7b1655 168
53e755c2
KB		 169/*
170 * Struct that's used for all methods called via AGFN. Naming is
171 * identically to the AML code.
172 */
173struct agfn_args {
174 u16 mfun; /* probably "Multi-function" to be called */
175 u16 sfun; /* probably "Sub-function" to be called */
176 u16 len; /* size of the hole struct, including subfunction fields */
177 u8 stas; /* not used by now */
178 u8 err; /* zero on success */
179} __packed;
180
181/* struct used for calling fan read and write methods */
182struct fan_args {
183 struct agfn_args agfn; /* common fields */
184 u8 fan; /* fan number: 0: set auto mode 1: 1st fan */
185 u32 speed; /* read: RPM/100 - write: 0-255 */
186} __packed;
187
8c1b2d83 188/*
e12e6d94 189 * <platform>/ - debugfs root directory
8c1b2d83
CC		 190 * dev_id - current dev_id
191 * ctrl_param - current ctrl_param
ef343491 192 * method_id - current method_id
8c1b2d83
CC		 193 * devs - call DEVS(dev_id, ctrl_param) and print result
194 * dsts - call DSTS(dev_id) and print result
ef343491 195 * call - call method_id(dev_id, ctrl_param) and print result
8c1b2d83 196 */
e12e6d94 197struct asus_wmi_debug {
8c1b2d83 198 struct dentry *root;
ef343491 199 u32 method_id;
8c1b2d83
CC		 200 u32 dev_id;
201 u32 ctrl_param;
202};
203
a7ce3f04
CC		 204struct asus_rfkill {
205 struct asus_wmi *asus;
206 struct rfkill *rfkill;
207 u32 dev_id;
208};
209
e12e6d94 210struct asus_wmi {
1d070f89 211 int dsts_id;
46dbca87
CC		 212 int spec;
213 int sfun;
1d070f89 214
81248889 215 struct input_dev *inputdev;
3d7b1655 216 struct backlight_device *backlight_device;
27c136c8 217 struct platform_device *platform_device;
084fca63 218
6cae06e6
AK		 219 struct led_classdev wlan_led;
220 int wlan_led_wk;
084fca63
CC		 221 struct led_classdev tpd_led;
222 int tpd_led_wk;
e9809c0b
CC		 223 struct led_classdev kbd_led;
224 int kbd_led_wk;
084fca63
CC		 225 struct workqueue_struct *led_workqueue;
226 struct work_struct tpd_led_work;
e9809c0b 227 struct work_struct kbd_led_work;
6cae06e6 228 struct work_struct wlan_led_work;
ba48fdb9 229
a7ce3f04
CC		 230 struct asus_rfkill wlan;
231 struct asus_rfkill bluetooth;
232 struct asus_rfkill wimax;
233 struct asus_rfkill wwan3g;
43be8bde 234 struct asus_rfkill gps;
a912d329 235 struct asus_rfkill uwb;
8c1b2d83 236
53e755c2
KB		 237 bool asus_hwmon_fan_manual_mode;
238 int asus_hwmon_num_fans;
239 int asus_hwmon_pwm;
240
afa7c886
CC		 241 struct hotplug_slot *hotplug_slot;
242 struct mutex hotplug_lock;
279f8f95
CC		 243 struct mutex wmi_lock;
244 struct workqueue_struct *hotplug_workqueue;
245 struct work_struct hotplug_work;
afa7c886 246
e12e6d94
CC		 247 struct asus_wmi_debug debug;
248
249 struct asus_wmi_driver *driver;
81248889
YW		 250};
251
e12e6d94 252static int asus_wmi_input_init(struct asus_wmi *asus)
ee027e4a
YW		 253{
254 int err;
255
e12e6d94
CC		 256 asus->inputdev = input_allocate_device();
257 if (!asus->inputdev)
ee027e4a
YW		 258 return -ENOMEM;
259
58a9f397
CC		 260 asus->inputdev->name = asus->driver->input_name;
261 asus->inputdev->phys = asus->driver->input_phys;
e12e6d94
CC		 262 asus->inputdev->id.bustype = BUS_HOST;
263 asus->inputdev->dev.parent = &asus->platform_device->dev;
39bbde05 264 set_bit(EV_REP, asus->inputdev->evbit);
ee027e4a 265
e12e6d94 266 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
ee027e4a
YW		 267 if (err)
268 goto err_free_dev;
269
e12e6d94 270 err = input_register_device(asus->inputdev);
ee027e4a
YW		 271 if (err)
272 goto err_free_keymap;
273
274 return 0;
275
276err_free_keymap:
e12e6d94 277 sparse_keymap_free(asus->inputdev);
ee027e4a 278err_free_dev:
e12e6d94 279 input_free_device(asus->inputdev);
ee027e4a
YW		 280 return err;
281}
282
e12e6d94 283static void asus_wmi_input_exit(struct asus_wmi *asus)
81248889 284{
e12e6d94
CC		 285 if (asus->inputdev) {
286 sparse_keymap_free(asus->inputdev);
287 input_unregister_device(asus->inputdev);
81248889
YW		 288 }
289
e12e6d94 290 asus->inputdev = NULL;
81248889
YW		 291}
292
d33da3b6
CC		 293static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1,
294 u32 *retval)
3d7b1655 295{
d33da3b6
CC		 296 struct bios_args args = {
297 .arg0 = arg0,
298 .arg1 = arg1,
299 };
300 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
3d7b1655 301 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
3d7b1655 302 acpi_status status;
d33da3b6 303 union acpi_object *obj;
8ad3be1e 304 u32 tmp = 0;
3d7b1655 305
d33da3b6 306 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id,
afa7c886 307 &input, &output);
3d7b1655
YW		 308
309 if (ACPI_FAILURE(status))
d33da3b6 310 goto exit;
3d7b1655
YW		 311
312 obj = (union acpi_object *)output.pointer;
313 if (obj && obj->type == ACPI_TYPE_INTEGER)
e12e6d94 314 tmp = (u32) obj->integer.value;
3d7b1655 315
2a3f0064
CC		 316 if (retval)
317 *retval = tmp;
3d7b1655
YW		 318
319 kfree(obj);
320
d33da3b6
CC		 321exit:
322 if (ACPI_FAILURE(status))
323 return -EIO;
324
325 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
326 return -ENODEV;
3d7b1655 327
d33da3b6 328 return 0;
3d7b1655
YW		 329}
330
53e755c2
KB		 331static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
332{
333 struct acpi_buffer input;
334 u64 phys_addr;
335 u32 retval;
336 u32 status = -1;
337
338 /*
339 * Copy to dma capable address otherwise memory corruption occurs as
340 * bios has to be able to access it.
341 */
342 input.pointer = kzalloc(args.length, GFP_DMA | GFP_KERNEL);
343 input.length = args.length;
344 if (!input.pointer)
345 return -ENOMEM;
346 phys_addr = virt_to_phys(input.pointer);
347 memcpy(input.pointer, args.pointer, args.length);
348
349 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
350 phys_addr, 0, &retval);
351 if (!status)
352 memcpy(args.pointer, input.pointer, args.length);
353
354 kfree(input.pointer);
355 if (status)
356 return -ENXIO;
357
358 return retval;
359}
360
1d070f89 361static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
3d7b1655 362{
1d070f89 363 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
d33da3b6 364}
3d7b1655 365
d33da3b6 366static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
1d070f89 367 u32 *retval)
d33da3b6
CC		 368{
369 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
370 ctrl_param, retval);
3d7b1655
YW		 371}
372
5c95638d 373/* Helper for special devices with magic return codes */
1d070f89
CC		 374static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
375 u32 dev_id, u32 mask)
5c95638d
CC		 376{
377 u32 retval = 0;
d33da3b6 378 int err;
5c95638d 379
1d070f89 380 err = asus_wmi_get_devstate(asus, dev_id, &retval);
5c95638d 381
d33da3b6
CC		 382 if (err < 0)
383 return err;
5c95638d 384
e12e6d94 385 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
5c95638d
CC		 386 return -ENODEV;
387
a75fe0d7
CC		 388 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
389 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
390 return -ENODEV;
391 }
392
b7187265
CC		 393 return retval & mask;
394}
395
1d070f89 396static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
b7187265 397{
1d070f89
CC		 398 return asus_wmi_get_devstate_bits(asus, dev_id,
399 ASUS_WMI_DSTS_STATUS_BIT);
5c95638d
CC		 400}
401
084fca63
CC		 402/*
403 * LEDs
404 */
405/*
406 * These functions actually update the LED's, and are called from a
407 * workqueue. By doing this as separate work rather than when the LED
e12e6d94 408 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
084fca63
CC		 409 * potentially bad time, such as a timer interrupt.
410 */
411static void tpd_led_update(struct work_struct *work)
412{
413 int ctrl_param;
e12e6d94 414 struct asus_wmi *asus;
084fca63 415
e12e6d94 416 asus = container_of(work, struct asus_wmi, tpd_led_work);
084fca63 417
e12e6d94
CC		 418 ctrl_param = asus->tpd_led_wk;
419 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
084fca63
CC		 420}
421
422static void tpd_led_set(struct led_classdev *led_cdev,
423 enum led_brightness value)
424{
e12e6d94 425 struct asus_wmi *asus;
084fca63 426
e12e6d94 427 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
084fca63 428
e12e6d94
CC		 429 asus->tpd_led_wk = !!value;
430 queue_work(asus->led_workqueue, &asus->tpd_led_work);
084fca63
CC		 431}
432
e12e6d94 433static int read_tpd_led_state(struct asus_wmi *asus)
084fca63 434{
1d070f89 435 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
084fca63
CC		 436}
437
438static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
439{
e12e6d94 440 struct asus_wmi *asus;
084fca63 441
e12e6d94 442 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
084fca63 443
e12e6d94 444 return read_tpd_led_state(asus);
084fca63
CC		 445}
446
e9809c0b 447static void kbd_led_update(struct work_struct *work)
084fca63 448{
e9809c0b
CC		 449 int ctrl_param = 0;
450 struct asus_wmi *asus;
084fca63 451
e9809c0b 452 asus = container_of(work, struct asus_wmi, kbd_led_work);
084fca63 453
e9809c0b
CC		 454 /*
455 * bits 0-2: level
456 * bit 7: light on/off
457 */
458 if (asus->kbd_led_wk > 0)
459 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
084fca63 460
e9809c0b
CC		 461 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
462}
084fca63 463
e9809c0b
CC		 464static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
465{
466 int retval;
467
468 /*
469 * bits 0-2: level
470 * bit 7: light on/off
471 * bit 8-10: environment (0: dark, 1: normal, 2: light)
472 * bit 17: status unknown
473 */
474 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
475 0xFFFF);
476
af965e97 477 /* Unknown status is considered as off */
e9809c0b 478 if (retval == 0x8000)
af965e97 479 retval = 0;
e9809c0b
CC		 480
481 if (retval >= 0) {
482 if (level)
c09b2237 483 *level = retval & 0x7F;
e9809c0b
CC		 484 if (env)
485 *env = (retval >> 8) & 0x7F;
486 retval = 0;
084fca63
CC		 487 }
488
e9809c0b
CC		 489 return retval;
490}
491
492static void kbd_led_set(struct led_classdev *led_cdev,
493 enum led_brightness value)
494{
495 struct asus_wmi *asus;
496
497 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
498
499 if (value > asus->kbd_led.max_brightness)
500 value = asus->kbd_led.max_brightness;
501 else if (value < 0)
502 value = 0;
503
504 asus->kbd_led_wk = value;
505 queue_work(asus->led_workqueue, &asus->kbd_led_work);
506}
507
508static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
509{
510 struct asus_wmi *asus;
511 int retval, value;
512
513 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
514
515 retval = kbd_led_read(asus, &value, NULL);
516
517 if (retval < 0)
518 return retval;
519
520 return value;
084fca63
CC		 521}
522
6cae06e6
AK		 523static int wlan_led_unknown_state(struct asus_wmi *asus)
524{
525 u32 result;
526
527 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
528
529 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
530}
531
532static int wlan_led_presence(struct asus_wmi *asus)
533{
534 u32 result;
535
536 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
537
538 return result & ASUS_WMI_DSTS_PRESENCE_BIT;
539}
540
541static void wlan_led_update(struct work_struct *work)
542{
543 int ctrl_param;
544 struct asus_wmi *asus;
545
546 asus = container_of(work, struct asus_wmi, wlan_led_work);
547
548 ctrl_param = asus->wlan_led_wk;
549 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
550}
551
552static void wlan_led_set(struct led_classdev *led_cdev,
553 enum led_brightness value)
554{
555 struct asus_wmi *asus;
556
557 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
558
559 asus->wlan_led_wk = !!value;
560 queue_work(asus->led_workqueue, &asus->wlan_led_work);
561}
562
563static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
564{
565 struct asus_wmi *asus;
566 u32 result;
567
568 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
569 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
570
571 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
572}
573
e12e6d94 574static void asus_wmi_led_exit(struct asus_wmi *asus)
084fca63 575{
e9298028
AL		 576 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
577 led_classdev_unregister(&asus->kbd_led);
578 if (!IS_ERR_OR_NULL(asus->tpd_led.dev))
e12e6d94 579 led_classdev_unregister(&asus->tpd_led);
6cae06e6
AK		 580 if (!IS_ERR_OR_NULL(asus->wlan_led.dev))
581 led_classdev_unregister(&asus->wlan_led);
e12e6d94
CC		 582 if (asus->led_workqueue)
583 destroy_workqueue(asus->led_workqueue);
084fca63
CC		 584}
585
e9809c0b
CC		 586static int asus_wmi_led_init(struct asus_wmi *asus)
587{
30734049 588 int rv = 0, led_val;
e9809c0b
CC		 589
590 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
591 if (!asus->led_workqueue)
592 return -ENOMEM;
593
594 if (read_tpd_led_state(asus) >= 0) {
595 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
596
597 asus->tpd_led.name = "asus::touchpad";
598 asus->tpd_led.brightness_set = tpd_led_set;
599 asus->tpd_led.brightness_get = tpd_led_get;
600 asus->tpd_led.max_brightness = 1;
601
602 rv = led_classdev_register(&asus->platform_device->dev,
603 &asus->tpd_led);
604 if (rv)
605 goto error;
606 }
607
30734049
OR		 608 led_val = kbd_led_read(asus, NULL, NULL);
609 if (led_val >= 0) {
e9809c0b
CC		 610 INIT_WORK(&asus->kbd_led_work, kbd_led_update);
611
30734049 612 asus->kbd_led_wk = led_val;
e9809c0b
CC		 613 asus->kbd_led.name = "asus::kbd_backlight";
614 asus->kbd_led.brightness_set = kbd_led_set;
615 asus->kbd_led.brightness_get = kbd_led_get;
616 asus->kbd_led.max_brightness = 3;
617
618 rv = led_classdev_register(&asus->platform_device->dev,
619 &asus->kbd_led);
6cae06e6
AK		 620 if (rv)
621 goto error;
622 }
623
f515623c 624 if (wlan_led_presence(asus) && (asus->driver->quirks->wapf > 0)) {
6cae06e6
AK		 625 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
626
627 asus->wlan_led.name = "asus::wlan";
628 asus->wlan_led.brightness_set = wlan_led_set;
629 if (!wlan_led_unknown_state(asus))
630 asus->wlan_led.brightness_get = wlan_led_get;
631 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
632 asus->wlan_led.max_brightness = 1;
633 asus->wlan_led.default_trigger = "asus-wlan";
634
635 rv = led_classdev_register(&asus->platform_device->dev,
636 &asus->wlan_led);
e9809c0b
CC		 637 }
638
639error:
640 if (rv)
641 asus_wmi_led_exit(asus);
642
643 return rv;
644}
645
646
afa7c886
CC		 647/*
648 * PCI hotplug (for wlan rfkill)
649 */
e12e6d94 650static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
afa7c886 651{
1d070f89 652 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
afa7c886 653
5c95638d 654 if (result < 0)
afa7c886 655 return false;
5c95638d 656 return !result;
afa7c886
CC		 657}
658
e12e6d94 659static void asus_rfkill_hotplug(struct asus_wmi *asus)
afa7c886
CC		 660{
661 struct pci_dev *dev;
662 struct pci_bus *bus;
279f8f95 663 bool blocked;
afa7c886
CC		 664 bool absent;
665 u32 l;
666
e12e6d94
CC		 667 mutex_lock(&asus->wmi_lock);
668 blocked = asus_wlan_rfkill_blocked(asus);
669 mutex_unlock(&asus->wmi_lock);
afa7c886 670
e12e6d94 671 mutex_lock(&asus->hotplug_lock);
8b9ec1da 672 pci_lock_rescan_remove();
afa7c886 673
a7ce3f04
CC		 674 if (asus->wlan.rfkill)
675 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
279f8f95 676
e12e6d94 677 if (asus->hotplug_slot) {
afa7c886
CC		 678 bus = pci_find_bus(0, 1);
679 if (!bus) {
5ad77dcf 680 pr_warn("Unable to find PCI bus 1?\n");
afa7c886
CC		 681 goto out_unlock;
682 }
683
684 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
685 pr_err("Unable to read PCI config space?\n");
686 goto out_unlock;
687 }
688 absent = (l == 0xffffffff);
689
690 if (blocked != absent) {
5ad77dcf
JP		 691 pr_warn("BIOS says wireless lan is %s, "
692 "but the pci device is %s\n",
693 blocked ? "blocked" : "unblocked",
694 absent ? "absent" : "present");
695 pr_warn("skipped wireless hotplug as probably "
696 "inappropriate for this model\n");
afa7c886
CC		 697 goto out_unlock;
698 }
699
700 if (!blocked) {
701 dev = pci_get_slot(bus, 0);
702 if (dev) {
703 /* Device already present */
704 pci_dev_put(dev);
705 goto out_unlock;
706 }
707 dev = pci_scan_single_device(bus, 0);
708 if (dev) {
709 pci_bus_assign_resources(bus);
c893d133 710 pci_bus_add_device(dev);
afa7c886
CC		 711 }
712 } else {
713 dev = pci_get_slot(bus, 0);
714 if (dev) {
210647af 715 pci_stop_and_remove_bus_device(dev);
afa7c886
CC		 716 pci_dev_put(dev);
717 }
718 }
719 }
720
721out_unlock:
8b9ec1da 722 pci_unlock_rescan_remove();
e12e6d94 723 mutex_unlock(&asus->hotplug_lock);
afa7c886
CC		 724}
725
e12e6d94 726static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
afa7c886 727{
e12e6d94 728 struct asus_wmi *asus = data;
afa7c886
CC		 729
730 if (event != ACPI_NOTIFY_BUS_CHECK)
731 return;
732
279f8f95 733 /*
e12e6d94 734 * We can't call directly asus_rfkill_hotplug because most
279f8f95
CC		 735 * of the time WMBC is still being executed and not reetrant.
736 * There is currently no way to tell ACPICA that we want this
e12e6d94 737 * method to be serialized, we schedule a asus_rfkill_hotplug
279f8f95
CC		 738 * call later, in a safer context.
739 */
e12e6d94 740 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
afa7c886
CC		 741}
742
e12e6d94 743static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
afa7c886
CC		 744{
745 acpi_status status;
746 acpi_handle handle;
747
748 status = acpi_get_handle(NULL, node, &handle);
749
750 if (ACPI_SUCCESS(status)) {
751 status = acpi_install_notify_handler(handle,
752 ACPI_SYSTEM_NOTIFY,
e12e6d94 753 asus_rfkill_notify, asus);
afa7c886 754 if (ACPI_FAILURE(status))
5ad77dcf 755 pr_warn("Failed to register notify on %s\n", node);
afa7c886
CC		 756 } else
757 return -ENODEV;
758
759 return 0;
760}
761
e12e6d94 762static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
afa7c886
CC		 763{
764 acpi_status status = AE_OK;
765 acpi_handle handle;
766
767 status = acpi_get_handle(NULL, node, &handle);
768
769 if (ACPI_SUCCESS(status)) {
770 status = acpi_remove_notify_handler(handle,
e12e6d94
CC		 771 ACPI_SYSTEM_NOTIFY,
772 asus_rfkill_notify);
afa7c886
CC		 773 if (ACPI_FAILURE(status))
774 pr_err("Error removing rfkill notify handler %s\n",
e12e6d94 775 node);
afa7c886
CC		 776 }
777}
778
e12e6d94
CC		 779static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
780 u8 *value)
afa7c886 781{
1d070f89
CC		 782 struct asus_wmi *asus = hotplug_slot->private;
783 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
afa7c886 784
5c95638d
CC		 785 if (result < 0)
786 return result;
afa7c886 787
5c95638d 788 *value = !!result;
afa7c886
CC		 789 return 0;
790}
791
e12e6d94 792static void asus_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot)
afa7c886
CC		 793{
794 kfree(hotplug_slot->info);
795 kfree(hotplug_slot);
796}
797
e12e6d94 798static struct hotplug_slot_ops asus_hotplug_slot_ops = {
afa7c886 799 .owner = THIS_MODULE,
e12e6d94
CC		 800 .get_adapter_status = asus_get_adapter_status,
801 .get_power_status = asus_get_adapter_status,
afa7c886
CC		 802};
803
e12e6d94 804static void asus_hotplug_work(struct work_struct *work)
279f8f95 805{
e12e6d94 806 struct asus_wmi *asus;
279f8f95 807
e12e6d94
CC		 808 asus = container_of(work, struct asus_wmi, hotplug_work);
809 asus_rfkill_hotplug(asus);
279f8f95
CC		 810}
811
e12e6d94 812static int asus_setup_pci_hotplug(struct asus_wmi *asus)
afa7c886
CC		 813{
814 int ret = -ENOMEM;
815 struct pci_bus *bus = pci_find_bus(0, 1);
816
817 if (!bus) {
818 pr_err("Unable to find wifi PCI bus\n");
819 return -ENODEV;
820 }
821
e12e6d94
CC		 822 asus->hotplug_workqueue =
823 create_singlethread_workqueue("hotplug_workqueue");
824 if (!asus->hotplug_workqueue)
279f8f95
CC		 825 goto error_workqueue;
826
e12e6d94 827 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
279f8f95 828
e12e6d94
CC		 829 asus->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
830 if (!asus->hotplug_slot)
afa7c886
CC		 831 goto error_slot;
832
e12e6d94
CC		 833 asus->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
834 GFP_KERNEL);
835 if (!asus->hotplug_slot->info)
afa7c886
CC		 836 goto error_info;
837
e12e6d94
CC		 838 asus->hotplug_slot->private = asus;
839 asus->hotplug_slot->release = &asus_cleanup_pci_hotplug;
840 asus->hotplug_slot->ops = &asus_hotplug_slot_ops;
841 asus_get_adapter_status(asus->hotplug_slot,
842 &asus->hotplug_slot->info->adapter_status);
afa7c886 843
e12e6d94 844 ret = pci_hp_register(asus->hotplug_slot, bus, 0, "asus-wifi");
afa7c886
CC		 845 if (ret) {
846 pr_err("Unable to register hotplug slot - %d\n", ret);
847 goto error_register;
848 }
849
850 return 0;
851
852error_register:
e12e6d94 853 kfree(asus->hotplug_slot->info);
afa7c886 854error_info:
e12e6d94
CC		 855 kfree(asus->hotplug_slot);
856 asus->hotplug_slot = NULL;
afa7c886 857error_slot:
e12e6d94 858 destroy_workqueue(asus->hotplug_workqueue);
279f8f95 859error_workqueue:
afa7c886
CC		 860 return ret;
861}
862
ba48fdb9
CC		 863/*
864 * Rfkill devices
865 */
e12e6d94 866static int asus_rfkill_set(void *data, bool blocked)
ba48fdb9 867{
a7ce3f04 868 struct asus_rfkill *priv = data;
ba48fdb9 869 u32 ctrl_param = !blocked;
a50bd128 870 u32 dev_id = priv->dev_id;
ba48fdb9 871
a50bd128
AK		 872 /*
873 * If the user bit is set, BIOS can't set and record the wlan status,
874 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
875 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
876 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
877 * while setting the wlan status through WMI.
878 * This is also the behavior that windows app will do.
879 */
880 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
881 priv->asus->driver->wlan_ctrl_by_user)
882 dev_id = ASUS_WMI_DEVID_WLAN_LED;
883
884 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
ba48fdb9
CC		 885}
886
e12e6d94 887static void asus_rfkill_query(struct rfkill *rfkill, void *data)
ba48fdb9 888{
a7ce3f04 889 struct asus_rfkill *priv = data;
5c95638d 890 int result;
ba48fdb9 891
1d070f89 892 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
ba48fdb9 893
5c95638d 894 if (result < 0)
e12e6d94 895 return;
ba48fdb9 896
a7ce3f04 897 rfkill_set_sw_state(priv->rfkill, !result);
ba48fdb9
CC		 898}
899
e12e6d94 900static int asus_rfkill_wlan_set(void *data, bool blocked)
279f8f95 901{
a7ce3f04
CC		 902 struct asus_rfkill *priv = data;
903 struct asus_wmi *asus = priv->asus;
279f8f95
CC		 904 int ret;
905
906 /*
907 * This handler is enabled only if hotplug is enabled.
e12e6d94 908 * In this case, the asus_wmi_set_devstate() will
279f8f95
CC		 909 * trigger a wmi notification and we need to wait
910 * this call to finish before being able to call
911 * any wmi method
912 */
e12e6d94 913 mutex_lock(&asus->wmi_lock);
a7ce3f04 914 ret = asus_rfkill_set(data, blocked);
e12e6d94 915 mutex_unlock(&asus->wmi_lock);
279f8f95
CC		 916 return ret;
917}
918
e12e6d94
CC		 919static const struct rfkill_ops asus_rfkill_wlan_ops = {
920 .set_block = asus_rfkill_wlan_set,
a7ce3f04 921 .query = asus_rfkill_query,
279f8f95
CC		 922};
923
e12e6d94
CC		 924static const struct rfkill_ops asus_rfkill_ops = {
925 .set_block = asus_rfkill_set,
926 .query = asus_rfkill_query,
ba48fdb9
CC		 927};
928
e12e6d94 929static int asus_new_rfkill(struct asus_wmi *asus,
a7ce3f04 930 struct asus_rfkill *arfkill,
e12e6d94 931 const char *name, enum rfkill_type type, int dev_id)
ba48fdb9 932{
1d070f89 933 int result = asus_wmi_get_devstate_simple(asus, dev_id);
a7ce3f04 934 struct rfkill **rfkill = &arfkill->rfkill;
ba48fdb9 935
5c95638d
CC		 936 if (result < 0)
937 return result;
ba48fdb9 938
a7ce3f04
CC		 939 arfkill->dev_id = dev_id;
940 arfkill->asus = asus;
941
c87992d1
AK		 942 if (dev_id == ASUS_WMI_DEVID_WLAN &&
943 asus->driver->quirks->hotplug_wireless)
e12e6d94 944 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
a7ce3f04 945 &asus_rfkill_wlan_ops, arfkill);
279f8f95 946 else
e12e6d94 947 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
a7ce3f04 948 &asus_rfkill_ops, arfkill);
ba48fdb9
CC		 949
950 if (!*rfkill)
951 return -EINVAL;
952
e8f56c80 953 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
f515623c 954 (asus->driver->quirks->wapf > 0))
6cae06e6
AK		 955 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
956
5c95638d 957 rfkill_init_sw_state(*rfkill, !result);
ba48fdb9
CC		 958 result = rfkill_register(*rfkill);
959 if (result) {
960 rfkill_destroy(*rfkill);
961 *rfkill = NULL;
962 return result;
963 }
964 return 0;
965}
966
e12e6d94 967static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
ba48fdb9 968{
e12e6d94
CC		 969 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
970 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
971 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
a7ce3f04
CC		 972 if (asus->wlan.rfkill) {
973 rfkill_unregister(asus->wlan.rfkill);
974 rfkill_destroy(asus->wlan.rfkill);
975 asus->wlan.rfkill = NULL;
ba48fdb9 976 }
afa7c886
CC		 977 /*
978 * Refresh pci hotplug in case the rfkill state was changed after
e12e6d94 979 * asus_unregister_rfkill_notifier()
afa7c886 980 */
e12e6d94
CC		 981 asus_rfkill_hotplug(asus);
982 if (asus->hotplug_slot)
983 pci_hp_deregister(asus->hotplug_slot);
984 if (asus->hotplug_workqueue)
985 destroy_workqueue(asus->hotplug_workqueue);
986
a7ce3f04
CC		 987 if (asus->bluetooth.rfkill) {
988 rfkill_unregister(asus->bluetooth.rfkill);
989 rfkill_destroy(asus->bluetooth.rfkill);
990 asus->bluetooth.rfkill = NULL;
ba48fdb9 991 }
a7ce3f04
CC		 992 if (asus->wimax.rfkill) {
993 rfkill_unregister(asus->wimax.rfkill);
994 rfkill_destroy(asus->wimax.rfkill);
995 asus->wimax.rfkill = NULL;
2e9e159d 996 }
a7ce3f04
CC		 997 if (asus->wwan3g.rfkill) {
998 rfkill_unregister(asus->wwan3g.rfkill);
999 rfkill_destroy(asus->wwan3g.rfkill);
1000 asus->wwan3g.rfkill = NULL;
ba48fdb9 1001 }
43be8bde
CC		 1002 if (asus->gps.rfkill) {
1003 rfkill_unregister(asus->gps.rfkill);
1004 rfkill_destroy(asus->gps.rfkill);
1005 asus->gps.rfkill = NULL;
1006 }
a912d329
CC		 1007 if (asus->uwb.rfkill) {
1008 rfkill_unregister(asus->uwb.rfkill);
1009 rfkill_destroy(asus->uwb.rfkill);
1010 asus->uwb.rfkill = NULL;
1011 }
ba48fdb9
CC		 1012}
1013
e12e6d94 1014static int asus_wmi_rfkill_init(struct asus_wmi *asus)
ba48fdb9
CC		 1015{
1016 int result = 0;
1017
e12e6d94
CC		 1018 mutex_init(&asus->hotplug_lock);
1019 mutex_init(&asus->wmi_lock);
afa7c886 1020
a7ce3f04
CC		 1021 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1022 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
ba48fdb9
CC		 1023
1024 if (result && result != -ENODEV)
1025 goto exit;
1026
a7ce3f04 1027 result = asus_new_rfkill(asus, &asus->bluetooth,
e12e6d94
CC		 1028 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1029 ASUS_WMI_DEVID_BLUETOOTH);
ba48fdb9
CC		 1030
1031 if (result && result != -ENODEV)
1032 goto exit;
1033
a7ce3f04
CC		 1034 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
1035 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
2e9e159d
CC		 1036
1037 if (result && result != -ENODEV)
1038 goto exit;
1039
a7ce3f04
CC		 1040 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
1041 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
ba48fdb9
CC		 1042
1043 if (result && result != -ENODEV)
1044 goto exit;
1045
43be8bde
CC		 1046 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
1047 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
1048
1049 if (result && result != -ENODEV)
1050 goto exit;
1051
a912d329
CC		 1052 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
1053 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
1054
1055 if (result && result != -ENODEV)
1056 goto exit;
1057
c87992d1 1058 if (!asus->driver->quirks->hotplug_wireless)
c14d4b8e
CC		 1059 goto exit;
1060
e12e6d94 1061 result = asus_setup_pci_hotplug(asus);
afa7c886
CC		 1062 /*
1063 * If we get -EBUSY then something else is handling the PCI hotplug -
1064 * don't fail in this case
1065 */
1066 if (result == -EBUSY)
1067 result = 0;
1068
e12e6d94
CC		 1069 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1070 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1071 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
afa7c886
CC		 1072 /*
1073 * Refresh pci hotplug in case the rfkill state was changed during
1074 * setup.
1075 */
e12e6d94 1076 asus_rfkill_hotplug(asus);
afa7c886 1077
ba48fdb9
CC		 1078exit:
1079 if (result && result != -ENODEV)
e12e6d94 1080 asus_wmi_rfkill_exit(asus);
ba48fdb9
CC		 1081
1082 if (result == -ENODEV)
1083 result = 0;
1084
1085 return result;
1086}
1087
8023eff1
KCH		 1088static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
1089{
1090 struct pci_dev *xhci_pdev;
1091 u32 orig_ports_available;
1092 u32 ports_available = asus->driver->quirks->xusb2pr;
1093
1094 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1095 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
1096 NULL);
1097
1098 if (!xhci_pdev)
1099 return;
1100
1101 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1102 &orig_ports_available);
1103
1104 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1105 cpu_to_le32(ports_available));
1106
1107 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
1108 orig_ports_available, ports_available);
1109}
1110
e07babde
CC		 1111/*
1112 * Hwmon device
1113 */
53e755c2
KB		 1114static int asus_hwmon_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
1115 int *speed)
1116{
1117 struct fan_args args = {
1118 .agfn.len = sizeof(args),
1119 .agfn.mfun = ASUS_FAN_MFUN,
1120 .agfn.sfun = ASUS_FAN_SFUN_READ,
1121 .fan = fan,
1122 .speed = 0,
1123 };
1124 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1125 int status;
1126
1127 if (fan != 1)
1128 return -EINVAL;
1129
1130 status = asus_wmi_evaluate_method_agfn(input);
1131
1132 if (status || args.agfn.err)
1133 return -ENXIO;
1134
1135 if (speed)
1136 *speed = args.speed;
1137
1138 return 0;
1139}
1140
1141static int asus_hwmon_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
1142 int *speed)
1143{
1144 struct fan_args args = {
1145 .agfn.len = sizeof(args),
1146 .agfn.mfun = ASUS_FAN_MFUN,
1147 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
1148 .fan = fan,
1149 .speed = speed ? *speed : 0,
1150 };
1151 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1152 int status;
1153
1154 /* 1: for setting 1st fan's speed 0: setting auto mode */
1155 if (fan != 1 && fan != 0)
1156 return -EINVAL;
1157
1158 status = asus_wmi_evaluate_method_agfn(input);
1159
1160 if (status || args.agfn.err)
1161 return -ENXIO;
1162
1163 if (speed && fan == 1)
1164 asus->asus_hwmon_pwm = *speed;
1165
1166 return 0;
1167}
1168
1169/*
1170 * Check if we can read the speed of one fan. If true we assume we can also
1171 * control it.
1172 */
1173static int asus_hwmon_get_fan_number(struct asus_wmi *asus, int *num_fans)
1174{
1175 int status;
1176 int speed = 0;
1177
1178 *num_fans = 0;
1179
1180 status = asus_hwmon_agfn_fan_speed_read(asus, 1, &speed);
1181 if (!status)
1182 *num_fans = 1;
1183
1184 return 0;
1185}
1186
1187static int asus_hwmon_fan_set_auto(struct asus_wmi *asus)
1188{
1189 int status;
1190
1191 status = asus_hwmon_agfn_fan_speed_write(asus, 0, NULL);
1192 if (status)
1193 return -ENXIO;
1194
1195 asus->asus_hwmon_fan_manual_mode = false;
1196
1197 return 0;
1198}
1199
1200static int asus_hwmon_fan_rpm_show(struct device *dev, int fan)
e07babde
CC		 1201{
1202 struct asus_wmi *asus = dev_get_drvdata(dev);
53e755c2
KB		 1203 int value;
1204 int ret;
1205
1206 /* no speed readable on manual mode */
1207 if (asus->asus_hwmon_fan_manual_mode)
1208 return -ENXIO;
1209
1210 ret = asus_hwmon_agfn_fan_speed_read(asus, fan+1, &value);
1211 if (ret) {
1212 pr_warn("reading fan speed failed: %d\n", ret);
1213 return -ENXIO;
1214 }
1215
1216 return value;
1217}
1218
1219static void asus_hwmon_pwm_show(struct asus_wmi *asus, int fan, int *value)
1220{
e07babde
CC		 1221 int err;
1222
53e755c2
KB		 1223 if (asus->asus_hwmon_pwm >= 0) {
1224 *value = asus->asus_hwmon_pwm;
1225 return;
1226 }
e07babde 1227
53e755c2 1228 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, value);
e07babde 1229 if (err < 0)
53e755c2 1230 return;
e07babde 1231
53e755c2
KB		 1232 *value &= 0xFF;
1233
1234 if (*value == 1) /* Low Speed */
1235 *value = 85;
1236 else if (*value == 2)
1237 *value = 170;
1238 else if (*value == 3)
1239 *value = 255;
1240 else if (*value) {
1241 pr_err("Unknown fan speed %#x\n", *value);
1242 *value = -1;
e07babde 1243 }
53e755c2
KB		 1244}
1245
1246static ssize_t pwm1_show(struct device *dev,
1247 struct device_attribute *attr,
1248 char *buf)
1249{
1250 struct asus_wmi *asus = dev_get_drvdata(dev);
1251 int value;
1252
1253 asus_hwmon_pwm_show(asus, 0, &value);
e07babde
CC		 1254
1255 return sprintf(buf, "%d\n", value);
1256}
1257
53e755c2
KB		 1258static ssize_t pwm1_store(struct device *dev,
1259 struct device_attribute *attr,
1260 const char *buf, size_t count) {
1261 struct asus_wmi *asus = dev_get_drvdata(dev);
1262 int value;
1263 int state;
1264 int ret;
1265
1266 ret = kstrtouint(buf, 10, &value);
1267
1268 if (ret)
1269 return ret;
1270
1271 value = clamp(value, 0, 255);
1272
1273 state = asus_hwmon_agfn_fan_speed_write(asus, 1, &value);
1274 if (state)
1275 pr_warn("Setting fan speed failed: %d\n", state);
1276 else
1277 asus->asus_hwmon_fan_manual_mode = true;
1278
1279 return count;
1280}
1281
1282static ssize_t fan1_input_show(struct device *dev,
1283 struct device_attribute *attr,
1284 char *buf)
1285{
1286 int value = asus_hwmon_fan_rpm_show(dev, 0);
1287
1288 return sprintf(buf, "%d\n", value < 0 ? -1 : value*100);
1289
1290}
1291
1292static ssize_t pwm1_enable_show(struct device *dev,
1293 struct device_attribute *attr,
1294 char *buf)
1295{
1296 struct asus_wmi *asus = dev_get_drvdata(dev);
1297
1298 if (asus->asus_hwmon_fan_manual_mode)
1299 return sprintf(buf, "%d\n", ASUS_FAN_CTRL_MANUAL);
1300
1301 return sprintf(buf, "%d\n", ASUS_FAN_CTRL_AUTO);
1302}
1303
1304static ssize_t pwm1_enable_store(struct device *dev,
1305 struct device_attribute *attr,
1306 const char *buf, size_t count)
1307{
1308 struct asus_wmi *asus = dev_get_drvdata(dev);
1309 int status = 0;
1310 int state;
1311 int ret;
1312
1313 ret = kstrtouint(buf, 10, &state);
1314
1315 if (ret)
1316 return ret;
1317
1318 if (state == ASUS_FAN_CTRL_MANUAL)
1319 asus->asus_hwmon_fan_manual_mode = true;
1320 else
1321 status = asus_hwmon_fan_set_auto(asus);
1322
1323 if (status)
1324 return status;
1325
1326 return count;
1327}
1328
1329static ssize_t fan1_label_show(struct device *dev,
1330 struct device_attribute *attr,
1331 char *buf)
1332{
1333 return sprintf(buf, "%s\n", ASUS_FAN_DESC);
1334}
1335
6118b8ad
CC		 1336static ssize_t asus_hwmon_temp1(struct device *dev,
1337 struct device_attribute *attr,
1338 char *buf)
1339{
1340 struct asus_wmi *asus = dev_get_drvdata(dev);
1341 u32 value;
1342 int err;
1343
1344 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
1345
1346 if (err < 0)
1347 return err;
1348
e866a2e3 1349 value = DECI_KELVIN_TO_CELSIUS((value & 0xFFFF)) * 1000;
6118b8ad
CC		 1350
1351 return sprintf(buf, "%d\n", value);
1352}
1353
53e755c2
KB		 1354/* Fan1 */
1355static DEVICE_ATTR_RW(pwm1);
1356static DEVICE_ATTR_RW(pwm1_enable);
1357static DEVICE_ATTR_RO(fan1_input);
1358static DEVICE_ATTR_RO(fan1_label);
1359
1360/* Temperature */
50a639fb 1361static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
e07babde
CC		 1362
1363static struct attribute *hwmon_attributes[] = {
50a639fb 1364 &dev_attr_pwm1.attr,
53e755c2
KB		 1365 &dev_attr_pwm1_enable.attr,
1366 &dev_attr_fan1_input.attr,
1367 &dev_attr_fan1_label.attr,
1368
50a639fb 1369 &dev_attr_temp1_input.attr,
e07babde
CC		 1370 NULL
1371};
1372
587a1f16 1373static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
e02431d6 1374 struct attribute *attr, int idx)
e07babde
CC		 1375{
1376 struct device *dev = container_of(kobj, struct device, kobj);
1377 struct platform_device *pdev = to_platform_device(dev->parent);
1378 struct asus_wmi *asus = platform_get_drvdata(pdev);
e07babde 1379 int dev_id = -1;
53e755c2 1380 int fan_attr = -1;
e07babde 1381 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
53e755c2 1382 bool ok = true;
e07babde 1383
50a639fb 1384 if (attr == &dev_attr_pwm1.attr)
e07babde 1385 dev_id = ASUS_WMI_DEVID_FAN_CTRL;
50a639fb 1386 else if (attr == &dev_attr_temp1_input.attr)
e02431d6 1387 dev_id = ASUS_WMI_DEVID_THERMAL_CTRL;
e07babde 1388
53e755c2
KB		 1389
1390 if (attr == &dev_attr_fan1_input.attr
1391 || attr == &dev_attr_fan1_label.attr
1392 || attr == &dev_attr_pwm1.attr
1393 || attr == &dev_attr_pwm1_enable.attr) {
1394 fan_attr = 1;
1395 }
1396
e07babde
CC		 1397 if (dev_id != -1) {
1398 int err = asus_wmi_get_devstate(asus, dev_id, &value);
1399
53e755c2 1400 if (err < 0 && fan_attr == -1)
e772aed3 1401 return 0; /* can't return negative here */
e07babde
CC		 1402 }
1403
1404 if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) {
1405 /*
1406 * We need to find a better way, probably using sfun,
1407 * bits or spec ...
1408 * Currently we disable it if:
1409 * - ASUS_WMI_UNSUPPORTED_METHOD is returned
1410 * - reverved bits are non-zero
1411 * - sfun and presence bit are not set
1412 */
49979d09 1413 if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
e07babde
CC		 1414 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
1415 ok = false;
53e755c2
KB		 1416 else
1417 ok = fan_attr <= asus->asus_hwmon_num_fans;
e02431d6
CC		 1418 } else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) {
1419 /* If value is zero, something is clearly wrong */
53e755c2 1420 if (!value)
e02431d6 1421 ok = false;
53e755c2
KB		 1422 } else if (fan_attr <= asus->asus_hwmon_num_fans && fan_attr != -1) {
1423 ok = true;
1424 } else {
1425 ok = false;
e07babde
CC		 1426 }
1427
1428 return ok ? attr->mode : 0;
1429}
1430
1431static struct attribute_group hwmon_attribute_group = {
1432 .is_visible = asus_hwmon_sysfs_is_visible,
1433 .attrs = hwmon_attributes
1434};
50a639fb 1435__ATTRIBUTE_GROUPS(hwmon_attribute);
e07babde
CC		 1436
1437static int asus_wmi_hwmon_init(struct asus_wmi *asus)
1438{
1439 struct device *hwmon;
e07babde 1440
50a639fb
GR		 1441 hwmon = hwmon_device_register_with_groups(&asus->platform_device->dev,
1442 "asus", asus,
1443 hwmon_attribute_groups);
e07babde
CC		 1444 if (IS_ERR(hwmon)) {
1445 pr_err("Could not register asus hwmon device\n");
1446 return PTR_ERR(hwmon);
1447 }
50a639fb 1448 return 0;
e07babde
CC		 1449}
1450
084fca63
CC		 1451/*
1452 * Backlight
1453 */
1d070f89 1454static int read_backlight_power(struct asus_wmi *asus)
b7187265 1455{
6e0044be
AK		 1456 int ret;
1457 if (asus->driver->quirks->store_backlight_power)
1458 ret = !asus->driver->panel_power;
1459 else
1460 ret = asus_wmi_get_devstate_simple(asus,
1461 ASUS_WMI_DEVID_BACKLIGHT);
b7187265
CC		 1462
1463 if (ret < 0)
1464 return ret;
1465
1466 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
1467}
1468
8fbea019 1469static int read_brightness_max(struct asus_wmi *asus)
3d7b1655 1470{
dfed65d5 1471 u32 retval;
d33da3b6 1472 int err;
3d7b1655 1473
1d070f89 1474 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3d7b1655 1475
8fbea019
CC		 1476 if (err < 0)
1477 return err;
1478
1479 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
1480 retval >>= 8;
1481
1482 if (!retval)
1483 return -ENODEV;
1484
1485 return retval;
1486}
1487
1488static int read_brightness(struct backlight_device *bd)
1489{
1490 struct asus_wmi *asus = bl_get_data(bd);
0986f25f
DC		 1491 u32 retval;
1492 int err;
8fbea019
CC		 1493
1494 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
1495
d33da3b6
CC		 1496 if (err < 0)
1497 return err;
1498
1499 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
3d7b1655
YW		 1500}
1501
c87992d1 1502static u32 get_scalar_command(struct backlight_device *bd)
3d7b1655 1503{
1d070f89 1504 struct asus_wmi *asus = bl_get_data(bd);
c87992d1 1505 u32 ctrl_param = 0;
3d7b1655 1506
c87992d1
AK		 1507 if ((asus->driver->brightness < bd->props.brightness) ||
1508 bd->props.brightness == bd->props.max_brightness)
1509 ctrl_param = 0x00008001;
1510 else if ((asus->driver->brightness > bd->props.brightness) ||
1511 bd->props.brightness == 0)
1512 ctrl_param = 0x00008000;
3d7b1655 1513
c87992d1 1514 asus->driver->brightness = bd->props.brightness;
3d7b1655 1515
c87992d1
AK		 1516 return ctrl_param;
1517}
1518
3d7b1655
YW		 1519static int update_bl_status(struct backlight_device *bd)
1520{
1d070f89 1521 struct asus_wmi *asus = bl_get_data(bd);
dfed65d5 1522 u32 ctrl_param;
6e0044be 1523 int power, err = 0;
b7187265 1524
1d070f89 1525 power = read_backlight_power(asus);
b7187265
CC		 1526 if (power != -ENODEV && bd->props.power != power) {
1527 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
d33da3b6
CC		 1528 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
1529 ctrl_param, NULL);
6e0044be
AK		 1530 if (asus->driver->quirks->store_backlight_power)
1531 asus->driver->panel_power = bd->props.power;
6e0044be 1532
ade28abd
CC		 1533 /* When using scalar brightness, updating the brightness
1534 * will mess with the backlight power */
1535 if (asus->driver->quirks->scalar_panel_brightness)
1536 return err;
b7187265 1537 }
ade28abd
CC		 1538
1539 if (asus->driver->quirks->scalar_panel_brightness)
1540 ctrl_param = get_scalar_command(bd);
1541 else
1542 ctrl_param = bd->props.brightness;
1543
1544 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
1545 ctrl_param, NULL);
1546
8fbea019 1547 return err;
3d7b1655
YW		 1548}
1549
e12e6d94 1550static const struct backlight_ops asus_wmi_bl_ops = {
3d7b1655
YW		 1551 .get_brightness = read_brightness,
1552 .update_status = update_bl_status,
1553};
1554
e12e6d94 1555static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
3d7b1655 1556{
e12e6d94 1557 struct backlight_device *bd = asus->backlight_device;
3d7b1655 1558 int old = bd->props.brightness;
b7670ed6 1559 int new = old;
3d7b1655
YW		 1560
1561 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
1562 new = code - NOTIFY_BRNUP_MIN + 1;
1563 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
1564 new = code - NOTIFY_BRNDOWN_MIN;
1565
1566 bd->props.brightness = new;
1567 backlight_update_status(bd);
1568 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
1569
1570 return old;
1571}
1572
e12e6d94 1573static int asus_wmi_backlight_init(struct asus_wmi *asus)
3d7b1655
YW		 1574{
1575 struct backlight_device *bd;
1576 struct backlight_properties props;
b7187265
CC		 1577 int max;
1578 int power;
1579
8fbea019 1580 max = read_brightness_max(asus);
86ac2735 1581 if (max < 0)
8fbea019
CC		 1582 return max;
1583
1584 power = read_backlight_power(asus);
1585
b7187265
CC		 1586 if (power == -ENODEV)
1587 power = FB_BLANK_UNBLANK;
8fbea019
CC		 1588 else if (power < 0)
1589 return power;
3d7b1655
YW		 1590
1591 memset(&props, 0, sizeof(struct backlight_properties));
60cfa098 1592 props.type = BACKLIGHT_PLATFORM;
b7187265 1593 props.max_brightness = max;
e12e6d94
CC		 1594 bd = backlight_device_register(asus->driver->name,
1595 &asus->platform_device->dev, asus,
1596 &asus_wmi_bl_ops, &props);
3d7b1655
YW		 1597 if (IS_ERR(bd)) {
1598 pr_err("Could not register backlight device\n");
1599 return PTR_ERR(bd);
1600 }
1601
e12e6d94 1602 asus->backlight_device = bd;
3d7b1655 1603
6e0044be
AK		 1604 if (asus->driver->quirks->store_backlight_power)
1605 asus->driver->panel_power = power;
1606
3d7b1655 1607 bd->props.brightness = read_brightness(bd);
b7187265 1608 bd->props.power = power;
3d7b1655
YW		 1609 backlight_update_status(bd);
1610
c87992d1
AK		 1611 asus->driver->brightness = bd->props.brightness;
1612
3d7b1655
YW		 1613 return 0;
1614}
1615
e12e6d94 1616static void asus_wmi_backlight_exit(struct asus_wmi *asus)
3d7b1655 1617{
00981810 1618 backlight_device_unregister(asus->backlight_device);
3d7b1655 1619
e12e6d94 1620 asus->backlight_device = NULL;
3d7b1655
YW		 1621}
1622
a2a96f0c
AK		 1623static int is_display_toggle(int code)
1624{
1625 /* display toggle keys */
1626 if ((code >= 0x61 && code <= 0x67) ||
1627 (code >= 0x8c && code <= 0x93) ||
1628 (code >= 0xa0 && code <= 0xa7) ||
1629 (code >= 0xd0 && code <= 0xd5))
1630 return 1;
1631
1632 return 0;
1633}
1634
e12e6d94 1635static void asus_wmi_notify(u32 value, void *context)
3d7b1655 1636{
e12e6d94 1637 struct asus_wmi *asus = context;
3d7b1655
YW		 1638 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1639 union acpi_object *obj;
1640 acpi_status status;
1641 int code;
1642 int orig_code;
c4453f6a
SF		 1643 unsigned int key_value = 1;
1644 bool autorelease = 1;
3d7b1655
YW		 1645
1646 status = wmi_get_event_data(value, &response);
1647 if (status != AE_OK) {
1648 pr_err("bad event status 0x%x\n", status);
1649 return;
1650 }
1651
1652 obj = (union acpi_object *)response.pointer;
1653
57ab7dae
CC		 1654 if (!obj || obj->type != ACPI_TYPE_INTEGER)
1655 goto exit;
3d7b1655 1656
57ab7dae
CC		 1657 code = obj->integer.value;
1658 orig_code = code;
3d7b1655 1659
c4453f6a
SF		 1660 if (asus->driver->key_filter) {
1661 asus->driver->key_filter(asus->driver, &code, &key_value,
1662 &autorelease);
1663 if (code == ASUS_WMI_KEY_IGNORE)
1664 goto exit;
1665 }
1666
57ab7dae 1667 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3ba0302b 1668 code = ASUS_WMI_BRN_UP;
57ab7dae
CC		 1669 else if (code >= NOTIFY_BRNDOWN_MIN &&
1670 code <= NOTIFY_BRNDOWN_MAX)
3ba0302b 1671 code = ASUS_WMI_BRN_DOWN;
3d7b1655 1672
3ba0302b 1673 if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
62c4aa1a 1674 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
57ab7dae 1675 asus_wmi_backlight_notify(asus, orig_code);
3ba0302b 1676 goto exit;
a2a96f0c 1677 }
a2a96f0c
AK		 1678 }
1679
1680 if (is_display_toggle(code) &&
1681 asus->driver->quirks->no_display_toggle)
1682 goto exit;
1683
1684 if (!sparse_keymap_report_event(asus->inputdev, code,
1685 key_value, autorelease))
57ab7dae 1686 pr_info("Unknown key %x pressed\n", code);
3d7b1655 1687
57ab7dae 1688exit:
3d7b1655
YW		 1689 kfree(obj);
1690}
1691
9e1565bc
CC		 1692/*
1693 * Sys helpers
1694 */
1695static int parse_arg(const char *buf, unsigned long count, int *val)
1696{
1697 if (!count)
1698 return 0;
1699 if (sscanf(buf, "%i", val) != 1)
1700 return -EINVAL;
1701 return count;
1702}
1703
1d070f89
CC		 1704static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
1705 const char *buf, size_t count)
9e1565bc 1706{
9e1565bc 1707 u32 retval;
d33da3b6 1708 int rv, err, value;
9e1565bc 1709
1d070f89 1710 value = asus_wmi_get_devstate_simple(asus, devid);
b8298340 1711 if (value < 0)
9e1565bc
CC		 1712 return value;
1713
1714 rv = parse_arg(buf, count, &value);
d33da3b6
CC		 1715 err = asus_wmi_set_devstate(devid, value, &retval);
1716
1717 if (err < 0)
1718 return err;
9e1565bc 1719
9e1565bc
CC		 1720 return rv;
1721}
1722
1d070f89 1723static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
9e1565bc 1724{
1d070f89 1725 int value = asus_wmi_get_devstate_simple(asus, devid);
9e1565bc
CC		 1726
1727 if (value < 0)
1728 return value;
1729
1730 return sprintf(buf, "%d\n", value);
1731}
1732
e12e6d94 1733#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
9e1565bc
CC		 1734 static ssize_t show_##_name(struct device *dev, \
1735 struct device_attribute *attr, \
1736 char *buf) \
1737 { \
1d070f89
CC		 1738 struct asus_wmi *asus = dev_get_drvdata(dev); \
1739 \
1740 return show_sys_wmi(asus, _cm, buf); \
9e1565bc
CC		 1741 } \
1742 static ssize_t store_##_name(struct device *dev, \
1743 struct device_attribute *attr, \
1744 const char *buf, size_t count) \
1745 { \
1d070f89
CC		 1746 struct asus_wmi *asus = dev_get_drvdata(dev); \
1747 \
1748 return store_sys_wmi(asus, _cm, buf, count); \
9e1565bc
CC		 1749 } \
1750 static struct device_attribute dev_attr_##_name = { \
1751 .attr = { \
1752 .name = __stringify(_name), \
1753 .mode = _mode }, \
1754 .show = show_##_name, \
1755 .store = store_##_name, \
1756 }
1757
e12e6d94
CC		 1758ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
1759ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
1760ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
c0b91b6d 1761ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
aca234f6 1762ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
9e1565bc 1763
67fa38ec
DT		 1764static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
1765 const char *buf, size_t count)
7f80d734 1766{
3df5fdad 1767 int value, rv;
7f80d734
CB		 1768
1769 if (!count || sscanf(buf, "%i", &value) != 1)
1770 return -EINVAL;
1771 if (value < 0 || value > 2)
1772 return -EINVAL;
1773
3df5fdad
CC		 1774 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
1775 if (rv < 0)
1776 return rv;
1777
1778 return count;
7f80d734
CB		 1779}
1780
1781static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
1782
4e37b42d
CC		 1783static struct attribute *platform_attributes[] = {
1784 &dev_attr_cpufv.attr,
9e1565bc
CC		 1785 &dev_attr_camera.attr,
1786 &dev_attr_cardr.attr,
4615bb66 1787 &dev_attr_touchpad.attr,
c0b91b6d 1788 &dev_attr_lid_resume.attr,
aca234f6 1789 &dev_attr_als_enable.attr,
4e37b42d
CC		 1790 NULL
1791};
1792
587a1f16 1793static umode_t asus_sysfs_is_visible(struct kobject *kobj,
e12e6d94 1794 struct attribute *attr, int idx)
9e1565bc 1795{
1d070f89
CC		 1796 struct device *dev = container_of(kobj, struct device, kobj);
1797 struct platform_device *pdev = to_platform_device(dev);
1798 struct asus_wmi *asus = platform_get_drvdata(pdev);
1799 bool ok = true;
9e1565bc
CC		 1800 int devid = -1;
1801
1802 if (attr == &dev_attr_camera.attr)
e12e6d94 1803 devid = ASUS_WMI_DEVID_CAMERA;
9e1565bc 1804 else if (attr == &dev_attr_cardr.attr)
e12e6d94 1805 devid = ASUS_WMI_DEVID_CARDREADER;
4615bb66 1806 else if (attr == &dev_attr_touchpad.attr)
e12e6d94 1807 devid = ASUS_WMI_DEVID_TOUCHPAD;
c0b91b6d
AK		 1808 else if (attr == &dev_attr_lid_resume.attr)
1809 devid = ASUS_WMI_DEVID_LID_RESUME;
aca234f6
OR		 1810 else if (attr == &dev_attr_als_enable.attr)
1811 devid = ASUS_WMI_DEVID_ALS_ENABLE;
9e1565bc
CC		 1812
1813 if (devid != -1)
1d070f89 1814 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
9e1565bc 1815
1d070f89 1816 return ok ? attr->mode : 0;
9e1565bc
CC		 1817}
1818
4e37b42d 1819static struct attribute_group platform_attribute_group = {
e12e6d94
CC		 1820 .is_visible = asus_sysfs_is_visible,
1821 .attrs = platform_attributes
4e37b42d
CC		 1822};
1823
e12e6d94 1824static void asus_wmi_sysfs_exit(struct platform_device *device)
7f80d734 1825{
4e37b42d 1826 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
7f80d734
CB		 1827}
1828
e12e6d94 1829static int asus_wmi_sysfs_init(struct platform_device *device)
7f80d734 1830{
4e37b42d 1831 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
7f80d734
CB		 1832}
1833
27c136c8
CC		 1834/*
1835 * Platform device
1836 */
39ddf3bf 1837static int asus_wmi_platform_init(struct asus_wmi *asus)
ee027e4a 1838{
46dbca87
CC		 1839 int rv;
1840
1841 /* INIT enable hotkeys on some models */
1842 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
0ed60654 1843 pr_info("Initialization: %#x\n", rv);
46dbca87
CC		 1844
1845 /* We don't know yet what to do with this version... */
1846 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
0ed60654 1847 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
46dbca87
CC		 1848 asus->spec = rv;
1849 }
1850
1851 /*
1852 * The SFUN method probably allows the original driver to get the list
1853 * of features supported by a given model. For now, 0x0100 or 0x0800
1854 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
1855 * The significance of others is yet to be found.
1856 */
1857 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
0ed60654 1858 pr_info("SFUN value: %#x\n", rv);
46dbca87
CC		 1859 asus->sfun = rv;
1860 }
1861
1d070f89
CC		 1862 /*
1863 * Eee PC and Notebooks seems to have different method_id for DSTS,
1864 * but it may also be related to the BIOS's SPEC.
1865 * Note, on most Eeepc, there is no way to check if a method exist
1866 * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
1867 * but once again, SPEC may probably be used for that kind of things.
1868 */
1869 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL))
1870 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
63a78bb1 1871 else
1d070f89
CC		 1872 asus->dsts_id = ASUS_WMI_METHODID_DSTS2;
1873
fddbfed5
CC		 1874 /* CWAP allow to define the behavior of the Fn+F2 key,
1875 * this method doesn't seems to be present on Eee PCs */
6a2bcccd 1876 if (asus->driver->quirks->wapf >= 0)
fddbfed5 1877 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
6a2bcccd 1878 asus->driver->quirks->wapf, NULL);
fddbfed5 1879
e12e6d94 1880 return asus_wmi_sysfs_init(asus->platform_device);
27c136c8
CC		 1881}
1882
e12e6d94 1883static void asus_wmi_platform_exit(struct asus_wmi *asus)
27c136c8 1884{
e12e6d94 1885 asus_wmi_sysfs_exit(asus->platform_device);
27c136c8
CC		 1886}
1887
8c1b2d83
CC		 1888/*
1889 * debugfs
1890 */
e12e6d94
CC		 1891struct asus_wmi_debugfs_node {
1892 struct asus_wmi *asus;
8c1b2d83 1893 char *name;
e12e6d94 1894 int (*show) (struct seq_file *m, void *data);
8c1b2d83
CC		 1895};
1896
1897static int show_dsts(struct seq_file *m, void *data)
1898{
e12e6d94 1899 struct asus_wmi *asus = m->private;
d33da3b6 1900 int err;
8c1b2d83
CC		 1901 u32 retval = -1;
1902
1d070f89 1903 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
8c1b2d83 1904
d33da3b6
CC		 1905 if (err < 0)
1906 return err;
8c1b2d83 1907
ef343491 1908 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
8c1b2d83
CC		 1909
1910 return 0;
1911}
1912
1913static int show_devs(struct seq_file *m, void *data)
1914{
e12e6d94 1915 struct asus_wmi *asus = m->private;
d33da3b6 1916 int err;
8c1b2d83
CC		 1917 u32 retval = -1;
1918
d33da3b6
CC		 1919 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
1920 &retval);
1921
1922 if (err < 0)
1923 return err;
8c1b2d83 1924
ef343491 1925 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
e12e6d94 1926 asus->debug.ctrl_param, retval);
8c1b2d83
CC		 1927
1928 return 0;
1929}
1930
ef343491
CC		 1931static int show_call(struct seq_file *m, void *data)
1932{
1933 struct asus_wmi *asus = m->private;
1934 struct bios_args args = {
1935 .arg0 = asus->debug.dev_id,
1936 .arg1 = asus->debug.ctrl_param,
1937 };
1938 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1939 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1940 union acpi_object *obj;
1941 acpi_status status;
1942
1943 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
1944 1, asus->debug.method_id,
1945 &input, &output);
1946
1947 if (ACPI_FAILURE(status))
1948 return -EIO;
1949
1950 obj = (union acpi_object *)output.pointer;
1951 if (obj && obj->type == ACPI_TYPE_INTEGER)
1952 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
1953 asus->debug.dev_id, asus->debug.ctrl_param,
1954 (u32) obj->integer.value);
1955 else
1956 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
1957 asus->debug.dev_id, asus->debug.ctrl_param,
a1d60867 1958 obj ? obj->type : -1);
ef343491
CC		 1959
1960 kfree(obj);
1961
1962 return 0;
1963}
1964
e12e6d94
CC		 1965static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
1966 {NULL, "devs", show_devs},
1967 {NULL, "dsts", show_dsts},
ef343491 1968 {NULL, "call", show_call},
8c1b2d83
CC		 1969};
1970
e12e6d94 1971static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
8c1b2d83 1972{
e12e6d94 1973 struct asus_wmi_debugfs_node *node = inode->i_private;
8c1b2d83 1974
e12e6d94 1975 return single_open(file, node->show, node->asus);
8c1b2d83
CC		 1976}
1977
e12e6d94 1978static const struct file_operations asus_wmi_debugfs_io_ops = {
8c1b2d83 1979 .owner = THIS_MODULE,
e12e6d94 1980 .open = asus_wmi_debugfs_open,
8c1b2d83
CC		 1981 .read = seq_read,
1982 .llseek = seq_lseek,
1983 .release = single_release,
1984};
1985
e12e6d94 1986static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
8c1b2d83 1987{
e12e6d94 1988 debugfs_remove_recursive(asus->debug.root);
8c1b2d83
CC		 1989}
1990
e12e6d94 1991static int asus_wmi_debugfs_init(struct asus_wmi *asus)
8c1b2d83
CC		 1992{
1993 struct dentry *dent;
1994 int i;
1995
e12e6d94
CC		 1996 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
1997 if (!asus->debug.root) {
0ed60654 1998 pr_err("failed to create debugfs directory\n");
8c1b2d83
CC		 1999 goto error_debugfs;
2000 }
2001
ef343491
CC		 2002 dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR,
2003 asus->debug.root, &asus->debug.method_id);
2004 if (!dent)
2005 goto error_debugfs;
2006
e12e6d94
CC		 2007 dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR,
2008 asus->debug.root, &asus->debug.dev_id);
8c1b2d83
CC		 2009 if (!dent)
2010 goto error_debugfs;
2011
e12e6d94
CC		 2012 dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR,
2013 asus->debug.root, &asus->debug.ctrl_param);
8c1b2d83
CC		 2014 if (!dent)
2015 goto error_debugfs;
2016
e12e6d94
CC		 2017 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
2018 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
8c1b2d83 2019
e12e6d94 2020 node->asus = asus;
8c1b2d83 2021 dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO,
e12e6d94
CC		 2022 asus->debug.root, node,
2023 &asus_wmi_debugfs_io_ops);
8c1b2d83
CC		 2024 if (!dent) {
2025 pr_err("failed to create debug file: %s\n", node->name);
2026 goto error_debugfs;
2027 }
2028 }
2029
2030 return 0;
2031
2032error_debugfs:
e12e6d94 2033 asus_wmi_debugfs_exit(asus);
8c1b2d83
CC		 2034 return -ENOMEM;
2035}
2036
53e755c2
KB		 2037static int asus_wmi_fan_init(struct asus_wmi *asus)
2038{
2039 int status;
2040
2041 asus->asus_hwmon_pwm = -1;
2042 asus->asus_hwmon_num_fans = -1;
2043 asus->asus_hwmon_fan_manual_mode = false;
2044
2045 status = asus_hwmon_get_fan_number(asus, &asus->asus_hwmon_num_fans);
2046 if (status) {
2047 asus->asus_hwmon_num_fans = 0;
2048 pr_warn("Could not determine number of fans: %d\n", status);
2049 return -ENXIO;
2050 }
2051
2052 pr_info("Number of fans: %d\n", asus->asus_hwmon_num_fans);
2053 return 0;
2054}
2055
71050ae7
JPRV		 2056static bool ashs_present(void)
2057{
2058 int i = 0;
2059 while (ashs_ids[i]) {
2060 if (acpi_dev_found(ashs_ids[i++]))
2061 return true;
2062 }
2063 return false;
2064}
2065
27c136c8
CC		 2066/*
2067 * WMI Driver
2068 */
e12e6d94 2069static int asus_wmi_add(struct platform_device *pdev)
afa7c886 2070{
e12e6d94
CC		 2071 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2072 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2073 struct asus_wmi *asus;
d8c66f62 2074 const char *chassis_type;
ee027e4a 2075 acpi_status status;
27c136c8 2076 int err;
a50bd128 2077 u32 result;
ee027e4a 2078
e12e6d94
CC		 2079 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
2080 if (!asus)
a04ce290
CC		 2081 return -ENOMEM;
2082
e12e6d94
CC		 2083 asus->driver = wdrv;
2084 asus->platform_device = pdev;
2085 wdrv->platform_device = pdev;
2086 platform_set_drvdata(asus->platform_device, asus);
27c136c8 2087
c87992d1
AK		 2088 if (wdrv->detect_quirks)
2089 wdrv->detect_quirks(asus->driver);
afa7c886 2090
e12e6d94 2091 err = asus_wmi_platform_init(asus);
27c136c8
CC		 2092 if (err)
2093 goto fail_platform;
45f2c693 2094
e12e6d94 2095 err = asus_wmi_input_init(asus);
45f2c693 2096 if (err)
27c136c8 2097 goto fail_input;
3d7b1655 2098
53e755c2
KB		 2099 err = asus_wmi_fan_init(asus); /* probably no problems on error */
2100 asus_hwmon_fan_set_auto(asus);
2101
e07babde
CC		 2102 err = asus_wmi_hwmon_init(asus);
2103 if (err)
2104 goto fail_hwmon;
2105
e12e6d94 2106 err = asus_wmi_led_init(asus);
084fca63
CC		 2107 if (err)
2108 goto fail_leds;
2109
71050ae7
JPRV		 2110 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
2111 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
2112 asus->driver->wlan_ctrl_by_user = 1;
2113
d1c4e9bf 2114 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
a977e59c
JPRV		 2115 err = asus_wmi_rfkill_init(asus);
2116 if (err)
2117 goto fail_rfkill;
2118 }
ba48fdb9 2119
d8c66f62
HG		 2120 /* Some Asus desktop boards export an acpi-video backlight interface,
2121 stop this from showing up */
2122 chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
2123 if (chassis_type && !strcmp(chassis_type, "3"))
62c4aa1a
HG		 2124 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2125
272c77d5 2126 if (asus->driver->quirks->wmi_backlight_power)
62c4aa1a
HG		 2127 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2128
999d4376 2129 if (asus->driver->quirks->wmi_backlight_native)
2130 acpi_video_set_dmi_backlight_type(acpi_backlight_native);
2131
8023eff1
KCH		 2132 if (asus->driver->quirks->xusb2pr)
2133 asus_wmi_set_xusb2pr(asus);
2134
62c4aa1a 2135 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
e12e6d94 2136 err = asus_wmi_backlight_init(asus);
b7187265 2137 if (err && err != -ENODEV)
27c136c8 2138 goto fail_backlight;
62c4aa1a 2139 }
45f2c693 2140
e12e6d94
CC		 2141 status = wmi_install_notify_handler(asus->driver->event_guid,
2142 asus_wmi_notify, asus);
45f2c693 2143 if (ACPI_FAILURE(status)) {
e12e6d94 2144 pr_err("Unable to register notify handler - %d\n", status);
45f2c693 2145 err = -ENODEV;
27c136c8 2146 goto fail_wmi_handler;
45f2c693
YW		 2147 }
2148
e12e6d94 2149 err = asus_wmi_debugfs_init(asus);
8c1b2d83
CC		 2150 if (err)
2151 goto fail_debugfs;
2152
a04ce290 2153 return 0;
45f2c693 2154
8c1b2d83 2155fail_debugfs:
e12e6d94 2156 wmi_remove_notify_handler(asus->driver->event_guid);
27c136c8 2157fail_wmi_handler:
e12e6d94 2158 asus_wmi_backlight_exit(asus);
27c136c8 2159fail_backlight:
e12e6d94 2160 asus_wmi_rfkill_exit(asus);
ba48fdb9 2161fail_rfkill:
e12e6d94 2162 asus_wmi_led_exit(asus);
084fca63 2163fail_leds:
e07babde 2164fail_hwmon:
e12e6d94 2165 asus_wmi_input_exit(asus);
27c136c8 2166fail_input:
e12e6d94 2167 asus_wmi_platform_exit(asus);
27c136c8 2168fail_platform:
e12e6d94 2169 kfree(asus);
a04ce290 2170 return err;
45f2c693
YW		 2171}
2172
e12e6d94 2173static int asus_wmi_remove(struct platform_device *device)
45f2c693 2174{
e12e6d94
CC		 2175 struct asus_wmi *asus;
2176
2177 asus = platform_get_drvdata(device);
2178 wmi_remove_notify_handler(asus->driver->event_guid);
2179 asus_wmi_backlight_exit(asus);
2180 asus_wmi_input_exit(asus);
2181 asus_wmi_led_exit(asus);
2182 asus_wmi_rfkill_exit(asus);
2183 asus_wmi_debugfs_exit(asus);
2184 asus_wmi_platform_exit(asus);
53e755c2 2185 asus_hwmon_fan_set_auto(asus);
e12e6d94
CC		 2186
2187 kfree(asus);
45f2c693
YW		 2188 return 0;
2189}
2190
0773d7f9
CC		 2191/*
2192 * Platform driver - hibernate/resume callbacks
2193 */
e12e6d94 2194static int asus_hotk_thaw(struct device *device)
0773d7f9 2195{
e12e6d94 2196 struct asus_wmi *asus = dev_get_drvdata(device);
0773d7f9 2197
a7ce3f04 2198 if (asus->wlan.rfkill) {
0773d7f9
CC		 2199 bool wlan;
2200
2201 /*
2202 * Work around bios bug - acpi _PTS turns off the wireless led
2203 * during suspend. Normally it restores it on resume, but
2204 * we should kick it ourselves in case hibernation is aborted.
2205 */
1d070f89 2206 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
e12e6d94 2207 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
0773d7f9
CC		 2208 }
2209
2210 return 0;
2211}
2212
30734049
OR		 2213static int asus_hotk_resume(struct device *device)
2214{
2215 struct asus_wmi *asus = dev_get_drvdata(device);
2216
2217 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
2218 queue_work(asus->led_workqueue, &asus->kbd_led_work);
2219
2220 return 0;
2221}
2222
e12e6d94 2223static int asus_hotk_restore(struct device *device)
0773d7f9 2224{
e12e6d94 2225 struct asus_wmi *asus = dev_get_drvdata(device);
0773d7f9
CC		 2226 int bl;
2227
2228 /* Refresh both wlan rfkill state and pci hotplug */
a7ce3f04 2229 if (asus->wlan.rfkill)
e12e6d94 2230 asus_rfkill_hotplug(asus);
0773d7f9 2231
a7ce3f04 2232 if (asus->bluetooth.rfkill) {
1d070f89
CC		 2233 bl = !asus_wmi_get_devstate_simple(asus,
2234 ASUS_WMI_DEVID_BLUETOOTH);
a7ce3f04 2235 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
2e9e159d 2236 }
a7ce3f04 2237 if (asus->wimax.rfkill) {
1d070f89 2238 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
a7ce3f04 2239 rfkill_set_sw_state(asus->wimax.rfkill, bl);
2e9e159d 2240 }
a7ce3f04 2241 if (asus->wwan3g.rfkill) {
1d070f89 2242 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
a7ce3f04 2243 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
0773d7f9 2244 }
43be8bde
CC		 2245 if (asus->gps.rfkill) {
2246 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
2247 rfkill_set_sw_state(asus->gps.rfkill, bl);
2248 }
a912d329
CC		 2249 if (asus->uwb.rfkill) {
2250 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
2251 rfkill_set_sw_state(asus->uwb.rfkill, bl);
2252 }
30734049
OR		 2253 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
2254 queue_work(asus->led_workqueue, &asus->kbd_led_work);
0773d7f9
CC		 2255
2256 return 0;
2257}
2258
e12e6d94
CC		 2259static const struct dev_pm_ops asus_pm_ops = {
2260 .thaw = asus_hotk_thaw,
2261 .restore = asus_hotk_restore,
30734049 2262 .resume = asus_hotk_resume,
45f2c693
YW		 2263};
2264
e12e6d94 2265static int asus_wmi_probe(struct platform_device *pdev)
d358cb55 2266{
e12e6d94
CC		 2267 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2268 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2269 int ret;
d358cb55 2270
e12e6d94 2271 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
5ad77dcf 2272 pr_warn("Management GUID not found\n");
ee027e4a
YW		 2273 return -ENODEV;
2274 }
2275
e12e6d94 2276 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
5ad77dcf 2277 pr_warn("Event GUID not found\n");
d358cb55
CC		 2278 return -ENODEV;
2279 }
2280
e12e6d94
CC		 2281 if (wdrv->probe) {
2282 ret = wdrv->probe(pdev);
2283 if (ret)
2284 return ret;
2285 }
2286
2287 return asus_wmi_add(pdev);
a04ce290 2288}
45f2c693 2289
e12e6d94 2290static bool used;
ee027e4a 2291
8fe8c25e 2292int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
a04ce290 2293{
e12e6d94
CC		 2294 struct platform_driver *platform_driver;
2295 struct platform_device *platform_device;
2296
2297 if (used)
2298 return -EBUSY;
2299
2300 platform_driver = &driver->platform_driver;
2301 platform_driver->remove = asus_wmi_remove;
2302 platform_driver->driver.owner = driver->owner;
2303 platform_driver->driver.name = driver->name;
2304 platform_driver->driver.pm = &asus_pm_ops;
2305
2306 platform_device = platform_create_bundle(platform_driver,
2307 asus_wmi_probe,
a04ce290
CC		 2308 NULL, 0, NULL, 0);
2309 if (IS_ERR(platform_device))
2310 return PTR_ERR(platform_device);
e12e6d94
CC		 2311
2312 used = true;
2313 return 0;
2314}
2315EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
2316
2317void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
2318{
2319 platform_device_unregister(driver->platform_device);
2320 platform_driver_unregister(&driver->platform_driver);
2321 used = false;
2322}
2323EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
2324
2325static int __init asus_wmi_init(void)
2326{
2327 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
0ed60654 2328 pr_info("Asus Management GUID not found\n");
e12e6d94
CC		 2329 return -ENODEV;
2330 }
2331
0ed60654 2332 pr_info("ASUS WMI generic driver loaded\n");
ee027e4a
YW		 2333 return 0;
2334}
2335
e12e6d94 2336static void __exit asus_wmi_exit(void)
ee027e4a 2337{
0ed60654 2338 pr_info("ASUS WMI generic driver unloaded\n");
ee027e4a
YW		 2339}
2340
e12e6d94
CC		 2341module_init(asus_wmi_init);
2342module_exit(asus_wmi_exit);
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