]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - drivers/platform/x86/asus-wmi.c
projects / mirror_ubuntu-artful-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
[mirror_ubuntu-artful-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 271 if (err)
c2ef3a1c 272 goto err_free_dev;
ee027e4a
YW		 273
274 return 0;
275
ee027e4a 276err_free_dev:
e12e6d94 277 input_free_device(asus->inputdev);
ee027e4a
YW		 278 return err;
279}
280
e12e6d94 281static void asus_wmi_input_exit(struct asus_wmi *asus)
81248889 282{
c2ef3a1c 283 if (asus->inputdev)
e12e6d94 284 input_unregister_device(asus->inputdev);
81248889 285
e12e6d94 286 asus->inputdev = NULL;
81248889
YW		 287}
288
d33da3b6
CC		 289static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1,
290 u32 *retval)
3d7b1655 291{
d33da3b6
CC		 292 struct bios_args args = {
293 .arg0 = arg0,
294 .arg1 = arg1,
295 };
296 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
3d7b1655 297 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
3d7b1655 298 acpi_status status;
d33da3b6 299 union acpi_object *obj;
8ad3be1e 300 u32 tmp = 0;
3d7b1655 301
d33da3b6 302 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id,
afa7c886 303 &input, &output);
3d7b1655
YW		 304
305 if (ACPI_FAILURE(status))
d33da3b6 306 goto exit;
3d7b1655
YW		 307
308 obj = (union acpi_object *)output.pointer;
309 if (obj && obj->type == ACPI_TYPE_INTEGER)
e12e6d94 310 tmp = (u32) obj->integer.value;
3d7b1655 311
2a3f0064
CC		 312 if (retval)
313 *retval = tmp;
3d7b1655
YW		 314
315 kfree(obj);
316
d33da3b6
CC		 317exit:
318 if (ACPI_FAILURE(status))
319 return -EIO;
320
321 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
322 return -ENODEV;
3d7b1655 323
d33da3b6 324 return 0;
3d7b1655
YW		 325}
326
53e755c2
KB		 327static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
328{
329 struct acpi_buffer input;
330 u64 phys_addr;
331 u32 retval;
332 u32 status = -1;
333
334 /*
335 * Copy to dma capable address otherwise memory corruption occurs as
336 * bios has to be able to access it.
337 */
338 input.pointer = kzalloc(args.length, GFP_DMA | GFP_KERNEL);
339 input.length = args.length;
340 if (!input.pointer)
341 return -ENOMEM;
342 phys_addr = virt_to_phys(input.pointer);
343 memcpy(input.pointer, args.pointer, args.length);
344
345 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
346 phys_addr, 0, &retval);
347 if (!status)
348 memcpy(args.pointer, input.pointer, args.length);
349
350 kfree(input.pointer);
351 if (status)
352 return -ENXIO;
353
354 return retval;
355}
356
1d070f89 357static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
3d7b1655 358{
1d070f89 359 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
d33da3b6 360}
3d7b1655 361
d33da3b6 362static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
1d070f89 363 u32 *retval)
d33da3b6
CC		 364{
365 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
366 ctrl_param, retval);
3d7b1655
YW		 367}
368
5c95638d 369/* Helper for special devices with magic return codes */
1d070f89
CC		 370static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
371 u32 dev_id, u32 mask)
5c95638d
CC		 372{
373 u32 retval = 0;
d33da3b6 374 int err;
5c95638d 375
1d070f89 376 err = asus_wmi_get_devstate(asus, dev_id, &retval);
5c95638d 377
d33da3b6
CC		 378 if (err < 0)
379 return err;
5c95638d 380
e12e6d94 381 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
5c95638d
CC		 382 return -ENODEV;
383
a75fe0d7
CC		 384 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
385 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
386 return -ENODEV;
387 }
388
b7187265
CC		 389 return retval & mask;
390}
391
1d070f89 392static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
b7187265 393{
1d070f89
CC		 394 return asus_wmi_get_devstate_bits(asus, dev_id,
395 ASUS_WMI_DSTS_STATUS_BIT);
5c95638d
CC		 396}
397
084fca63
CC		 398/*
399 * LEDs
400 */
401/*
402 * These functions actually update the LED's, and are called from a
403 * workqueue. By doing this as separate work rather than when the LED
e12e6d94 404 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
084fca63
CC		 405 * potentially bad time, such as a timer interrupt.
406 */
407static void tpd_led_update(struct work_struct *work)
408{
409 int ctrl_param;
e12e6d94 410 struct asus_wmi *asus;
084fca63 411
e12e6d94 412 asus = container_of(work, struct asus_wmi, tpd_led_work);
084fca63 413
e12e6d94
CC		 414 ctrl_param = asus->tpd_led_wk;
415 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
084fca63
CC		 416}
417
418static void tpd_led_set(struct led_classdev *led_cdev,
419 enum led_brightness value)
420{
e12e6d94 421 struct asus_wmi *asus;
084fca63 422
e12e6d94 423 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
084fca63 424
e12e6d94
CC		 425 asus->tpd_led_wk = !!value;
426 queue_work(asus->led_workqueue, &asus->tpd_led_work);
084fca63
CC		 427}
428
e12e6d94 429static int read_tpd_led_state(struct asus_wmi *asus)
084fca63 430{
1d070f89 431 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
084fca63
CC		 432}
433
434static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
435{
e12e6d94 436 struct asus_wmi *asus;
084fca63 437
e12e6d94 438 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
084fca63 439
e12e6d94 440 return read_tpd_led_state(asus);
084fca63
CC		 441}
442
e9809c0b 443static void kbd_led_update(struct work_struct *work)
084fca63 444{
e9809c0b
CC		 445 int ctrl_param = 0;
446 struct asus_wmi *asus;
084fca63 447
e9809c0b 448 asus = container_of(work, struct asus_wmi, kbd_led_work);
084fca63 449
e9809c0b
CC		 450 /*
451 * bits 0-2: level
452 * bit 7: light on/off
453 */
454 if (asus->kbd_led_wk > 0)
455 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
084fca63 456
e9809c0b
CC		 457 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
458}
084fca63 459
e9809c0b
CC		 460static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
461{
462 int retval;
463
464 /*
465 * bits 0-2: level
466 * bit 7: light on/off
467 * bit 8-10: environment (0: dark, 1: normal, 2: light)
468 * bit 17: status unknown
469 */
470 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
471 0xFFFF);
472
af965e97 473 /* Unknown status is considered as off */
e9809c0b 474 if (retval == 0x8000)
af965e97 475 retval = 0;
e9809c0b
CC		 476
477 if (retval >= 0) {
478 if (level)
c09b2237 479 *level = retval & 0x7F;
e9809c0b
CC		 480 if (env)
481 *env = (retval >> 8) & 0x7F;
482 retval = 0;
084fca63
CC		 483 }
484
e9809c0b
CC		 485 return retval;
486}
487
488static void kbd_led_set(struct led_classdev *led_cdev,
489 enum led_brightness value)
490{
491 struct asus_wmi *asus;
492
493 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
494
495 if (value > asus->kbd_led.max_brightness)
496 value = asus->kbd_led.max_brightness;
497 else if (value < 0)
498 value = 0;
499
500 asus->kbd_led_wk = value;
501 queue_work(asus->led_workqueue, &asus->kbd_led_work);
502}
503
504static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
505{
506 struct asus_wmi *asus;
507 int retval, value;
508
509 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
510
511 retval = kbd_led_read(asus, &value, NULL);
512
513 if (retval < 0)
514 return retval;
515
516 return value;
084fca63
CC		 517}
518
6cae06e6
AK		 519static int wlan_led_unknown_state(struct asus_wmi *asus)
520{
521 u32 result;
522
523 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
524
525 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
526}
527
528static int wlan_led_presence(struct asus_wmi *asus)
529{
530 u32 result;
531
532 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
533
534 return result & ASUS_WMI_DSTS_PRESENCE_BIT;
535}
536
537static void wlan_led_update(struct work_struct *work)
538{
539 int ctrl_param;
540 struct asus_wmi *asus;
541
542 asus = container_of(work, struct asus_wmi, wlan_led_work);
543
544 ctrl_param = asus->wlan_led_wk;
545 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
546}
547
548static void wlan_led_set(struct led_classdev *led_cdev,
549 enum led_brightness value)
550{
551 struct asus_wmi *asus;
552
553 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
554
555 asus->wlan_led_wk = !!value;
556 queue_work(asus->led_workqueue, &asus->wlan_led_work);
557}
558
559static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
560{
561 struct asus_wmi *asus;
562 u32 result;
563
564 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
565 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
566
567 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
568}
569
e12e6d94 570static void asus_wmi_led_exit(struct asus_wmi *asus)
084fca63 571{
e9298028
AL		 572 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
573 led_classdev_unregister(&asus->kbd_led);
574 if (!IS_ERR_OR_NULL(asus->tpd_led.dev))
e12e6d94 575 led_classdev_unregister(&asus->tpd_led);
6cae06e6
AK		 576 if (!IS_ERR_OR_NULL(asus->wlan_led.dev))
577 led_classdev_unregister(&asus->wlan_led);
e12e6d94
CC		 578 if (asus->led_workqueue)
579 destroy_workqueue(asus->led_workqueue);
084fca63
CC		 580}
581
e9809c0b
CC		 582static int asus_wmi_led_init(struct asus_wmi *asus)
583{
30734049 584 int rv = 0, led_val;
e9809c0b
CC		 585
586 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
587 if (!asus->led_workqueue)
588 return -ENOMEM;
589
590 if (read_tpd_led_state(asus) >= 0) {
591 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
592
593 asus->tpd_led.name = "asus::touchpad";
594 asus->tpd_led.brightness_set = tpd_led_set;
595 asus->tpd_led.brightness_get = tpd_led_get;
596 asus->tpd_led.max_brightness = 1;
597
598 rv = led_classdev_register(&asus->platform_device->dev,
599 &asus->tpd_led);
600 if (rv)
601 goto error;
602 }
603
30734049
OR		 604 led_val = kbd_led_read(asus, NULL, NULL);
605 if (led_val >= 0) {
e9809c0b
CC		 606 INIT_WORK(&asus->kbd_led_work, kbd_led_update);
607
30734049 608 asus->kbd_led_wk = led_val;
e9809c0b
CC		 609 asus->kbd_led.name = "asus::kbd_backlight";
610 asus->kbd_led.brightness_set = kbd_led_set;
611 asus->kbd_led.brightness_get = kbd_led_get;
612 asus->kbd_led.max_brightness = 3;
613
614 rv = led_classdev_register(&asus->platform_device->dev,
615 &asus->kbd_led);
6cae06e6
AK		 616 if (rv)
617 goto error;
618 }
619
f515623c 620 if (wlan_led_presence(asus) && (asus->driver->quirks->wapf > 0)) {
6cae06e6
AK		 621 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
622
623 asus->wlan_led.name = "asus::wlan";
624 asus->wlan_led.brightness_set = wlan_led_set;
625 if (!wlan_led_unknown_state(asus))
626 asus->wlan_led.brightness_get = wlan_led_get;
627 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
628 asus->wlan_led.max_brightness = 1;
629 asus->wlan_led.default_trigger = "asus-wlan";
630
631 rv = led_classdev_register(&asus->platform_device->dev,
632 &asus->wlan_led);
e9809c0b
CC		 633 }
634
635error:
636 if (rv)
637 asus_wmi_led_exit(asus);
638
639 return rv;
640}
641
642
afa7c886
CC		 643/*
644 * PCI hotplug (for wlan rfkill)
645 */
e12e6d94 646static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
afa7c886 647{
1d070f89 648 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
afa7c886 649
5c95638d 650 if (result < 0)
afa7c886 651 return false;
5c95638d 652 return !result;
afa7c886
CC		 653}
654
e12e6d94 655static void asus_rfkill_hotplug(struct asus_wmi *asus)
afa7c886
CC		 656{
657 struct pci_dev *dev;
658 struct pci_bus *bus;
279f8f95 659 bool blocked;
afa7c886
CC		 660 bool absent;
661 u32 l;
662
e12e6d94
CC		 663 mutex_lock(&asus->wmi_lock);
664 blocked = asus_wlan_rfkill_blocked(asus);
665 mutex_unlock(&asus->wmi_lock);
afa7c886 666
e12e6d94 667 mutex_lock(&asus->hotplug_lock);
8b9ec1da 668 pci_lock_rescan_remove();
afa7c886 669
a7ce3f04
CC		 670 if (asus->wlan.rfkill)
671 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
279f8f95 672
e12e6d94 673 if (asus->hotplug_slot) {
afa7c886
CC		 674 bus = pci_find_bus(0, 1);
675 if (!bus) {
5ad77dcf 676 pr_warn("Unable to find PCI bus 1?\n");
afa7c886
CC		 677 goto out_unlock;
678 }
679
680 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
681 pr_err("Unable to read PCI config space?\n");
682 goto out_unlock;
683 }
684 absent = (l == 0xffffffff);
685
686 if (blocked != absent) {
5ad77dcf
JP		 687 pr_warn("BIOS says wireless lan is %s, "
688 "but the pci device is %s\n",
689 blocked ? "blocked" : "unblocked",
690 absent ? "absent" : "present");
691 pr_warn("skipped wireless hotplug as probably "
692 "inappropriate for this model\n");
afa7c886
CC		 693 goto out_unlock;
694 }
695
696 if (!blocked) {
697 dev = pci_get_slot(bus, 0);
698 if (dev) {
699 /* Device already present */
700 pci_dev_put(dev);
701 goto out_unlock;
702 }
703 dev = pci_scan_single_device(bus, 0);
704 if (dev) {
705 pci_bus_assign_resources(bus);
c893d133 706 pci_bus_add_device(dev);
afa7c886
CC		 707 }
708 } else {
709 dev = pci_get_slot(bus, 0);
710 if (dev) {
210647af 711 pci_stop_and_remove_bus_device(dev);
afa7c886
CC		 712 pci_dev_put(dev);
713 }
714 }
715 }
716
717out_unlock:
8b9ec1da 718 pci_unlock_rescan_remove();
e12e6d94 719 mutex_unlock(&asus->hotplug_lock);
afa7c886
CC		 720}
721
e12e6d94 722static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
afa7c886 723{
e12e6d94 724 struct asus_wmi *asus = data;
afa7c886
CC		 725
726 if (event != ACPI_NOTIFY_BUS_CHECK)
727 return;
728
279f8f95 729 /*
e12e6d94 730 * We can't call directly asus_rfkill_hotplug because most
279f8f95
CC		 731 * of the time WMBC is still being executed and not reetrant.
732 * There is currently no way to tell ACPICA that we want this
e12e6d94 733 * method to be serialized, we schedule a asus_rfkill_hotplug
279f8f95
CC		 734 * call later, in a safer context.
735 */
e12e6d94 736 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
afa7c886
CC		 737}
738
e12e6d94 739static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
afa7c886
CC		 740{
741 acpi_status status;
742 acpi_handle handle;
743
744 status = acpi_get_handle(NULL, node, &handle);
745
746 if (ACPI_SUCCESS(status)) {
747 status = acpi_install_notify_handler(handle,
748 ACPI_SYSTEM_NOTIFY,
e12e6d94 749 asus_rfkill_notify, asus);
afa7c886 750 if (ACPI_FAILURE(status))
5ad77dcf 751 pr_warn("Failed to register notify on %s\n", node);
afa7c886
CC		 752 } else
753 return -ENODEV;
754
755 return 0;
756}
757
e12e6d94 758static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
afa7c886
CC		 759{
760 acpi_status status = AE_OK;
761 acpi_handle handle;
762
763 status = acpi_get_handle(NULL, node, &handle);
764
765 if (ACPI_SUCCESS(status)) {
766 status = acpi_remove_notify_handler(handle,
e12e6d94
CC		 767 ACPI_SYSTEM_NOTIFY,
768 asus_rfkill_notify);
afa7c886
CC		 769 if (ACPI_FAILURE(status))
770 pr_err("Error removing rfkill notify handler %s\n",
e12e6d94 771 node);
afa7c886
CC		 772 }
773}
774
e12e6d94
CC		 775static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
776 u8 *value)
afa7c886 777{
1d070f89
CC		 778 struct asus_wmi *asus = hotplug_slot->private;
779 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
afa7c886 780
5c95638d
CC		 781 if (result < 0)
782 return result;
afa7c886 783
5c95638d 784 *value = !!result;
afa7c886
CC		 785 return 0;
786}
787
e12e6d94 788static void asus_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot)
afa7c886
CC		 789{
790 kfree(hotplug_slot->info);
791 kfree(hotplug_slot);
792}
793
e12e6d94 794static struct hotplug_slot_ops asus_hotplug_slot_ops = {
afa7c886 795 .owner = THIS_MODULE,
e12e6d94
CC		 796 .get_adapter_status = asus_get_adapter_status,
797 .get_power_status = asus_get_adapter_status,
afa7c886
CC		 798};
799
e12e6d94 800static void asus_hotplug_work(struct work_struct *work)
279f8f95 801{
e12e6d94 802 struct asus_wmi *asus;
279f8f95 803
e12e6d94
CC		 804 asus = container_of(work, struct asus_wmi, hotplug_work);
805 asus_rfkill_hotplug(asus);
279f8f95
CC		 806}
807
e12e6d94 808static int asus_setup_pci_hotplug(struct asus_wmi *asus)
afa7c886
CC		 809{
810 int ret = -ENOMEM;
811 struct pci_bus *bus = pci_find_bus(0, 1);
812
813 if (!bus) {
814 pr_err("Unable to find wifi PCI bus\n");
815 return -ENODEV;
816 }
817
e12e6d94
CC		 818 asus->hotplug_workqueue =
819 create_singlethread_workqueue("hotplug_workqueue");
820 if (!asus->hotplug_workqueue)
279f8f95
CC		 821 goto error_workqueue;
822
e12e6d94 823 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
279f8f95 824
e12e6d94
CC		 825 asus->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
826 if (!asus->hotplug_slot)
afa7c886
CC		 827 goto error_slot;
828
e12e6d94
CC		 829 asus->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
830 GFP_KERNEL);
831 if (!asus->hotplug_slot->info)
afa7c886
CC		 832 goto error_info;
833
e12e6d94
CC		 834 asus->hotplug_slot->private = asus;
835 asus->hotplug_slot->release = &asus_cleanup_pci_hotplug;
836 asus->hotplug_slot->ops = &asus_hotplug_slot_ops;
837 asus_get_adapter_status(asus->hotplug_slot,
838 &asus->hotplug_slot->info->adapter_status);
afa7c886 839
e12e6d94 840 ret = pci_hp_register(asus->hotplug_slot, bus, 0, "asus-wifi");
afa7c886
CC		 841 if (ret) {
842 pr_err("Unable to register hotplug slot - %d\n", ret);
843 goto error_register;
844 }
845
846 return 0;
847
848error_register:
e12e6d94 849 kfree(asus->hotplug_slot->info);
afa7c886 850error_info:
e12e6d94
CC		 851 kfree(asus->hotplug_slot);
852 asus->hotplug_slot = NULL;
afa7c886 853error_slot:
e12e6d94 854 destroy_workqueue(asus->hotplug_workqueue);
279f8f95 855error_workqueue:
afa7c886
CC		 856 return ret;
857}
858
ba48fdb9
CC		 859/*
860 * Rfkill devices
861 */
e12e6d94 862static int asus_rfkill_set(void *data, bool blocked)
ba48fdb9 863{
a7ce3f04 864 struct asus_rfkill *priv = data;
ba48fdb9 865 u32 ctrl_param = !blocked;
a50bd128 866 u32 dev_id = priv->dev_id;
ba48fdb9 867
a50bd128
AK		 868 /*
869 * If the user bit is set, BIOS can't set and record the wlan status,
870 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
871 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
872 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
873 * while setting the wlan status through WMI.
874 * This is also the behavior that windows app will do.
875 */
876 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
877 priv->asus->driver->wlan_ctrl_by_user)
878 dev_id = ASUS_WMI_DEVID_WLAN_LED;
879
880 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
ba48fdb9
CC		 881}
882
e12e6d94 883static void asus_rfkill_query(struct rfkill *rfkill, void *data)
ba48fdb9 884{
a7ce3f04 885 struct asus_rfkill *priv = data;
5c95638d 886 int result;
ba48fdb9 887
1d070f89 888 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
ba48fdb9 889
5c95638d 890 if (result < 0)
e12e6d94 891 return;
ba48fdb9 892
a7ce3f04 893 rfkill_set_sw_state(priv->rfkill, !result);
ba48fdb9
CC		 894}
895
e12e6d94 896static int asus_rfkill_wlan_set(void *data, bool blocked)
279f8f95 897{
a7ce3f04
CC		 898 struct asus_rfkill *priv = data;
899 struct asus_wmi *asus = priv->asus;
279f8f95
CC		 900 int ret;
901
902 /*
903 * This handler is enabled only if hotplug is enabled.
e12e6d94 904 * In this case, the asus_wmi_set_devstate() will
279f8f95
CC		 905 * trigger a wmi notification and we need to wait
906 * this call to finish before being able to call
907 * any wmi method
908 */
e12e6d94 909 mutex_lock(&asus->wmi_lock);
a7ce3f04 910 ret = asus_rfkill_set(data, blocked);
e12e6d94 911 mutex_unlock(&asus->wmi_lock);
279f8f95
CC		 912 return ret;
913}
914
e12e6d94
CC		 915static const struct rfkill_ops asus_rfkill_wlan_ops = {
916 .set_block = asus_rfkill_wlan_set,
a7ce3f04 917 .query = asus_rfkill_query,
279f8f95
CC		 918};
919
e12e6d94
CC		 920static const struct rfkill_ops asus_rfkill_ops = {
921 .set_block = asus_rfkill_set,
922 .query = asus_rfkill_query,
ba48fdb9
CC		 923};
924
e12e6d94 925static int asus_new_rfkill(struct asus_wmi *asus,
a7ce3f04 926 struct asus_rfkill *arfkill,
e12e6d94 927 const char *name, enum rfkill_type type, int dev_id)
ba48fdb9 928{
1d070f89 929 int result = asus_wmi_get_devstate_simple(asus, dev_id);
a7ce3f04 930 struct rfkill **rfkill = &arfkill->rfkill;
ba48fdb9 931
5c95638d
CC		 932 if (result < 0)
933 return result;
ba48fdb9 934
a7ce3f04
CC		 935 arfkill->dev_id = dev_id;
936 arfkill->asus = asus;
937
c87992d1
AK		 938 if (dev_id == ASUS_WMI_DEVID_WLAN &&
939 asus->driver->quirks->hotplug_wireless)
e12e6d94 940 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
a7ce3f04 941 &asus_rfkill_wlan_ops, arfkill);
279f8f95 942 else
e12e6d94 943 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
a7ce3f04 944 &asus_rfkill_ops, arfkill);
ba48fdb9
CC		 945
946 if (!*rfkill)
947 return -EINVAL;
948
e8f56c80 949 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
f515623c 950 (asus->driver->quirks->wapf > 0))
6cae06e6
AK		 951 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
952
5c95638d 953 rfkill_init_sw_state(*rfkill, !result);
ba48fdb9
CC		 954 result = rfkill_register(*rfkill);
955 if (result) {
956 rfkill_destroy(*rfkill);
957 *rfkill = NULL;
958 return result;
959 }
960 return 0;
961}
962
e12e6d94 963static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
ba48fdb9 964{
e12e6d94
CC		 965 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
966 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
967 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
a7ce3f04
CC		 968 if (asus->wlan.rfkill) {
969 rfkill_unregister(asus->wlan.rfkill);
970 rfkill_destroy(asus->wlan.rfkill);
971 asus->wlan.rfkill = NULL;
ba48fdb9 972 }
afa7c886
CC		 973 /*
974 * Refresh pci hotplug in case the rfkill state was changed after
e12e6d94 975 * asus_unregister_rfkill_notifier()
afa7c886 976 */
e12e6d94
CC		 977 asus_rfkill_hotplug(asus);
978 if (asus->hotplug_slot)
979 pci_hp_deregister(asus->hotplug_slot);
980 if (asus->hotplug_workqueue)
981 destroy_workqueue(asus->hotplug_workqueue);
982
a7ce3f04
CC		 983 if (asus->bluetooth.rfkill) {
984 rfkill_unregister(asus->bluetooth.rfkill);
985 rfkill_destroy(asus->bluetooth.rfkill);
986 asus->bluetooth.rfkill = NULL;
ba48fdb9 987 }
a7ce3f04
CC		 988 if (asus->wimax.rfkill) {
989 rfkill_unregister(asus->wimax.rfkill);
990 rfkill_destroy(asus->wimax.rfkill);
991 asus->wimax.rfkill = NULL;
2e9e159d 992 }
a7ce3f04
CC		 993 if (asus->wwan3g.rfkill) {
994 rfkill_unregister(asus->wwan3g.rfkill);
995 rfkill_destroy(asus->wwan3g.rfkill);
996 asus->wwan3g.rfkill = NULL;
ba48fdb9 997 }
43be8bde
CC		 998 if (asus->gps.rfkill) {
999 rfkill_unregister(asus->gps.rfkill);
1000 rfkill_destroy(asus->gps.rfkill);
1001 asus->gps.rfkill = NULL;
1002 }
a912d329
CC		 1003 if (asus->uwb.rfkill) {
1004 rfkill_unregister(asus->uwb.rfkill);
1005 rfkill_destroy(asus->uwb.rfkill);
1006 asus->uwb.rfkill = NULL;
1007 }
ba48fdb9
CC		 1008}
1009
e12e6d94 1010static int asus_wmi_rfkill_init(struct asus_wmi *asus)
ba48fdb9
CC		 1011{
1012 int result = 0;
1013
e12e6d94
CC		 1014 mutex_init(&asus->hotplug_lock);
1015 mutex_init(&asus->wmi_lock);
afa7c886 1016
a7ce3f04
CC		 1017 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1018 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
ba48fdb9
CC		 1019
1020 if (result && result != -ENODEV)
1021 goto exit;
1022
a7ce3f04 1023 result = asus_new_rfkill(asus, &asus->bluetooth,
e12e6d94
CC		 1024 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1025 ASUS_WMI_DEVID_BLUETOOTH);
ba48fdb9
CC		 1026
1027 if (result && result != -ENODEV)
1028 goto exit;
1029
a7ce3f04
CC		 1030 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
1031 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
2e9e159d
CC		 1032
1033 if (result && result != -ENODEV)
1034 goto exit;
1035
a7ce3f04
CC		 1036 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
1037 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
ba48fdb9
CC		 1038
1039 if (result && result != -ENODEV)
1040 goto exit;
1041
43be8bde
CC		 1042 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
1043 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
1044
1045 if (result && result != -ENODEV)
1046 goto exit;
1047
a912d329
CC		 1048 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
1049 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
1050
1051 if (result && result != -ENODEV)
1052 goto exit;
1053
c87992d1 1054 if (!asus->driver->quirks->hotplug_wireless)
c14d4b8e
CC		 1055 goto exit;
1056
e12e6d94 1057 result = asus_setup_pci_hotplug(asus);
afa7c886
CC		 1058 /*
1059 * If we get -EBUSY then something else is handling the PCI hotplug -
1060 * don't fail in this case
1061 */
1062 if (result == -EBUSY)
1063 result = 0;
1064
e12e6d94
CC		 1065 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1066 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1067 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
afa7c886
CC		 1068 /*
1069 * Refresh pci hotplug in case the rfkill state was changed during
1070 * setup.
1071 */
e12e6d94 1072 asus_rfkill_hotplug(asus);
afa7c886 1073
ba48fdb9
CC		 1074exit:
1075 if (result && result != -ENODEV)
e12e6d94 1076 asus_wmi_rfkill_exit(asus);
ba48fdb9
CC		 1077
1078 if (result == -ENODEV)
1079 result = 0;
1080
1081 return result;
1082}
1083
8023eff1
KCH		 1084static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
1085{
1086 struct pci_dev *xhci_pdev;
1087 u32 orig_ports_available;
1088 u32 ports_available = asus->driver->quirks->xusb2pr;
1089
1090 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1091 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
1092 NULL);
1093
1094 if (!xhci_pdev)
1095 return;
1096
1097 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1098 &orig_ports_available);
1099
1100 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1101 cpu_to_le32(ports_available));
1102
1103 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
1104 orig_ports_available, ports_available);
1105}
1106
e9b61518
OR		 1107/*
1108 * Some devices dont support or have borcken get_als method
1109 * but still support set method.
1110 */
1111static void asus_wmi_set_als(void)
1112{
1113 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
1114}
1115
e07babde
CC		 1116/*
1117 * Hwmon device
1118 */
53e755c2
KB		 1119static int asus_hwmon_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
1120 int *speed)
1121{
1122 struct fan_args args = {
1123 .agfn.len = sizeof(args),
1124 .agfn.mfun = ASUS_FAN_MFUN,
1125 .agfn.sfun = ASUS_FAN_SFUN_READ,
1126 .fan = fan,
1127 .speed = 0,
1128 };
1129 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1130 int status;
1131
1132 if (fan != 1)
1133 return -EINVAL;
1134
1135 status = asus_wmi_evaluate_method_agfn(input);
1136
1137 if (status || args.agfn.err)
1138 return -ENXIO;
1139
1140 if (speed)
1141 *speed = args.speed;
1142
1143 return 0;
1144}
1145
1146static int asus_hwmon_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
1147 int *speed)
1148{
1149 struct fan_args args = {
1150 .agfn.len = sizeof(args),
1151 .agfn.mfun = ASUS_FAN_MFUN,
1152 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
1153 .fan = fan,
1154 .speed = speed ? *speed : 0,
1155 };
1156 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1157 int status;
1158
1159 /* 1: for setting 1st fan's speed 0: setting auto mode */
1160 if (fan != 1 && fan != 0)
1161 return -EINVAL;
1162
1163 status = asus_wmi_evaluate_method_agfn(input);
1164
1165 if (status || args.agfn.err)
1166 return -ENXIO;
1167
1168 if (speed && fan == 1)
1169 asus->asus_hwmon_pwm = *speed;
1170
1171 return 0;
1172}
1173
1174/*
1175 * Check if we can read the speed of one fan. If true we assume we can also
1176 * control it.
1177 */
1178static int asus_hwmon_get_fan_number(struct asus_wmi *asus, int *num_fans)
1179{
1180 int status;
1181 int speed = 0;
1182
1183 *num_fans = 0;
1184
1185 status = asus_hwmon_agfn_fan_speed_read(asus, 1, &speed);
1186 if (!status)
1187 *num_fans = 1;
1188
1189 return 0;
1190}
1191
1192static int asus_hwmon_fan_set_auto(struct asus_wmi *asus)
1193{
1194 int status;
1195
1196 status = asus_hwmon_agfn_fan_speed_write(asus, 0, NULL);
1197 if (status)
1198 return -ENXIO;
1199
1200 asus->asus_hwmon_fan_manual_mode = false;
1201
1202 return 0;
1203}
1204
1205static int asus_hwmon_fan_rpm_show(struct device *dev, int fan)
e07babde
CC		 1206{
1207 struct asus_wmi *asus = dev_get_drvdata(dev);
53e755c2
KB		 1208 int value;
1209 int ret;
1210
1211 /* no speed readable on manual mode */
1212 if (asus->asus_hwmon_fan_manual_mode)
1213 return -ENXIO;
1214
1215 ret = asus_hwmon_agfn_fan_speed_read(asus, fan+1, &value);
1216 if (ret) {
1217 pr_warn("reading fan speed failed: %d\n", ret);
1218 return -ENXIO;
1219 }
1220
1221 return value;
1222}
1223
1224static void asus_hwmon_pwm_show(struct asus_wmi *asus, int fan, int *value)
1225{
e07babde
CC		 1226 int err;
1227
53e755c2
KB		 1228 if (asus->asus_hwmon_pwm >= 0) {
1229 *value = asus->asus_hwmon_pwm;
1230 return;
1231 }
e07babde 1232
53e755c2 1233 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, value);
e07babde 1234 if (err < 0)
53e755c2 1235 return;
e07babde 1236
53e755c2
KB		 1237 *value &= 0xFF;
1238
1239 if (*value == 1) /* Low Speed */
1240 *value = 85;
1241 else if (*value == 2)
1242 *value = 170;
1243 else if (*value == 3)
1244 *value = 255;
1245 else if (*value) {
1246 pr_err("Unknown fan speed %#x\n", *value);
1247 *value = -1;
e07babde 1248 }
53e755c2
KB		 1249}
1250
1251static ssize_t pwm1_show(struct device *dev,
1252 struct device_attribute *attr,
1253 char *buf)
1254{
1255 struct asus_wmi *asus = dev_get_drvdata(dev);
1256 int value;
1257
1258 asus_hwmon_pwm_show(asus, 0, &value);
e07babde
CC		 1259
1260 return sprintf(buf, "%d\n", value);
1261}
1262
53e755c2
KB		 1263static ssize_t pwm1_store(struct device *dev,
1264 struct device_attribute *attr,
1265 const char *buf, size_t count) {
1266 struct asus_wmi *asus = dev_get_drvdata(dev);
1267 int value;
1268 int state;
1269 int ret;
1270
1271 ret = kstrtouint(buf, 10, &value);
1272
1273 if (ret)
1274 return ret;
1275
1276 value = clamp(value, 0, 255);
1277
1278 state = asus_hwmon_agfn_fan_speed_write(asus, 1, &value);
1279 if (state)
1280 pr_warn("Setting fan speed failed: %d\n", state);
1281 else
1282 asus->asus_hwmon_fan_manual_mode = true;
1283
1284 return count;
1285}
1286
1287static ssize_t fan1_input_show(struct device *dev,
1288 struct device_attribute *attr,
1289 char *buf)
1290{
1291 int value = asus_hwmon_fan_rpm_show(dev, 0);
1292
1293 return sprintf(buf, "%d\n", value < 0 ? -1 : value*100);
1294
1295}
1296
1297static ssize_t pwm1_enable_show(struct device *dev,
1298 struct device_attribute *attr,
1299 char *buf)
1300{
1301 struct asus_wmi *asus = dev_get_drvdata(dev);
1302
1303 if (asus->asus_hwmon_fan_manual_mode)
1304 return sprintf(buf, "%d\n", ASUS_FAN_CTRL_MANUAL);
1305
1306 return sprintf(buf, "%d\n", ASUS_FAN_CTRL_AUTO);
1307}
1308
1309static ssize_t pwm1_enable_store(struct device *dev,
1310 struct device_attribute *attr,
1311 const char *buf, size_t count)
1312{
1313 struct asus_wmi *asus = dev_get_drvdata(dev);
1314 int status = 0;
1315 int state;
1316 int ret;
1317
1318 ret = kstrtouint(buf, 10, &state);
1319
1320 if (ret)
1321 return ret;
1322
1323 if (state == ASUS_FAN_CTRL_MANUAL)
1324 asus->asus_hwmon_fan_manual_mode = true;
1325 else
1326 status = asus_hwmon_fan_set_auto(asus);
1327
1328 if (status)
1329 return status;
1330
1331 return count;
1332}
1333
1334static ssize_t fan1_label_show(struct device *dev,
1335 struct device_attribute *attr,
1336 char *buf)
1337{
1338 return sprintf(buf, "%s\n", ASUS_FAN_DESC);
1339}
1340
6118b8ad
CC		 1341static ssize_t asus_hwmon_temp1(struct device *dev,
1342 struct device_attribute *attr,
1343 char *buf)
1344{
1345 struct asus_wmi *asus = dev_get_drvdata(dev);
1346 u32 value;
1347 int err;
1348
1349 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
1350
1351 if (err < 0)
1352 return err;
1353
e866a2e3 1354 value = DECI_KELVIN_TO_CELSIUS((value & 0xFFFF)) * 1000;
6118b8ad
CC		 1355
1356 return sprintf(buf, "%d\n", value);
1357}
1358
53e755c2
KB		 1359/* Fan1 */
1360static DEVICE_ATTR_RW(pwm1);
1361static DEVICE_ATTR_RW(pwm1_enable);
1362static DEVICE_ATTR_RO(fan1_input);
1363static DEVICE_ATTR_RO(fan1_label);
1364
1365/* Temperature */
50a639fb 1366static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
e07babde
CC		 1367
1368static struct attribute *hwmon_attributes[] = {
50a639fb 1369 &dev_attr_pwm1.attr,
53e755c2
KB		 1370 &dev_attr_pwm1_enable.attr,
1371 &dev_attr_fan1_input.attr,
1372 &dev_attr_fan1_label.attr,
1373
50a639fb 1374 &dev_attr_temp1_input.attr,
e07babde
CC		 1375 NULL
1376};
1377
587a1f16 1378static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
e02431d6 1379 struct attribute *attr, int idx)
e07babde
CC		 1380{
1381 struct device *dev = container_of(kobj, struct device, kobj);
1382 struct platform_device *pdev = to_platform_device(dev->parent);
1383 struct asus_wmi *asus = platform_get_drvdata(pdev);
e07babde 1384 int dev_id = -1;
53e755c2 1385 int fan_attr = -1;
e07babde 1386 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
53e755c2 1387 bool ok = true;
e07babde 1388
50a639fb 1389 if (attr == &dev_attr_pwm1.attr)
e07babde 1390 dev_id = ASUS_WMI_DEVID_FAN_CTRL;
50a639fb 1391 else if (attr == &dev_attr_temp1_input.attr)
e02431d6 1392 dev_id = ASUS_WMI_DEVID_THERMAL_CTRL;
e07babde 1393
53e755c2
KB		 1394
1395 if (attr == &dev_attr_fan1_input.attr
1396 || attr == &dev_attr_fan1_label.attr
1397 || attr == &dev_attr_pwm1.attr
1398 || attr == &dev_attr_pwm1_enable.attr) {
1399 fan_attr = 1;
1400 }
1401
e07babde
CC		 1402 if (dev_id != -1) {
1403 int err = asus_wmi_get_devstate(asus, dev_id, &value);
1404
53e755c2 1405 if (err < 0 && fan_attr == -1)
e772aed3 1406 return 0; /* can't return negative here */
e07babde
CC		 1407 }
1408
1409 if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) {
1410 /*
1411 * We need to find a better way, probably using sfun,
1412 * bits or spec ...
1413 * Currently we disable it if:
1414 * - ASUS_WMI_UNSUPPORTED_METHOD is returned
1415 * - reverved bits are non-zero
1416 * - sfun and presence bit are not set
1417 */
49979d09 1418 if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
e07babde
CC		 1419 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
1420 ok = false;
53e755c2
KB		 1421 else
1422 ok = fan_attr <= asus->asus_hwmon_num_fans;
e02431d6
CC		 1423 } else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) {
1424 /* If value is zero, something is clearly wrong */
53e755c2 1425 if (!value)
e02431d6 1426 ok = false;
53e755c2
KB		 1427 } else if (fan_attr <= asus->asus_hwmon_num_fans && fan_attr != -1) {
1428 ok = true;
1429 } else {
1430 ok = false;
e07babde
CC		 1431 }
1432
1433 return ok ? attr->mode : 0;
1434}
1435
e90d9ba8 1436static const struct attribute_group hwmon_attribute_group = {
e07babde
CC		 1437 .is_visible = asus_hwmon_sysfs_is_visible,
1438 .attrs = hwmon_attributes
1439};
50a639fb 1440__ATTRIBUTE_GROUPS(hwmon_attribute);
e07babde
CC		 1441
1442static int asus_wmi_hwmon_init(struct asus_wmi *asus)
1443{
1444 struct device *hwmon;
e07babde 1445
50a639fb
GR		 1446 hwmon = hwmon_device_register_with_groups(&asus->platform_device->dev,
1447 "asus", asus,
1448 hwmon_attribute_groups);
e07babde
CC		 1449 if (IS_ERR(hwmon)) {
1450 pr_err("Could not register asus hwmon device\n");
1451 return PTR_ERR(hwmon);
1452 }
50a639fb 1453 return 0;
e07babde
CC		 1454}
1455
084fca63
CC		 1456/*
1457 * Backlight
1458 */
1d070f89 1459static int read_backlight_power(struct asus_wmi *asus)
b7187265 1460{
6e0044be
AK		 1461 int ret;
1462 if (asus->driver->quirks->store_backlight_power)
1463 ret = !asus->driver->panel_power;
1464 else
1465 ret = asus_wmi_get_devstate_simple(asus,
1466 ASUS_WMI_DEVID_BACKLIGHT);
b7187265
CC		 1467
1468 if (ret < 0)
1469 return ret;
1470
1471 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
1472}
1473
8fbea019 1474static int read_brightness_max(struct asus_wmi *asus)
3d7b1655 1475{
dfed65d5 1476 u32 retval;
d33da3b6 1477 int err;
3d7b1655 1478
1d070f89 1479 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3d7b1655 1480
8fbea019
CC		 1481 if (err < 0)
1482 return err;
1483
1484 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
1485 retval >>= 8;
1486
1487 if (!retval)
1488 return -ENODEV;
1489
1490 return retval;
1491}
1492
1493static int read_brightness(struct backlight_device *bd)
1494{
1495 struct asus_wmi *asus = bl_get_data(bd);
0986f25f
DC		 1496 u32 retval;
1497 int err;
8fbea019
CC		 1498
1499 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
1500
d33da3b6
CC		 1501 if (err < 0)
1502 return err;
1503
1504 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
3d7b1655
YW		 1505}
1506
c87992d1 1507static u32 get_scalar_command(struct backlight_device *bd)
3d7b1655 1508{
1d070f89 1509 struct asus_wmi *asus = bl_get_data(bd);
c87992d1 1510 u32 ctrl_param = 0;
3d7b1655 1511
c87992d1
AK		 1512 if ((asus->driver->brightness < bd->props.brightness) ||
1513 bd->props.brightness == bd->props.max_brightness)
1514 ctrl_param = 0x00008001;
1515 else if ((asus->driver->brightness > bd->props.brightness) ||
1516 bd->props.brightness == 0)
1517 ctrl_param = 0x00008000;
3d7b1655 1518
c87992d1 1519 asus->driver->brightness = bd->props.brightness;
3d7b1655 1520
c87992d1
AK		 1521 return ctrl_param;
1522}
1523
3d7b1655
YW		 1524static int update_bl_status(struct backlight_device *bd)
1525{
1d070f89 1526 struct asus_wmi *asus = bl_get_data(bd);
dfed65d5 1527 u32 ctrl_param;
6e0044be 1528 int power, err = 0;
b7187265 1529
1d070f89 1530 power = read_backlight_power(asus);
b7187265
CC		 1531 if (power != -ENODEV && bd->props.power != power) {
1532 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
d33da3b6
CC		 1533 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
1534 ctrl_param, NULL);
6e0044be
AK		 1535 if (asus->driver->quirks->store_backlight_power)
1536 asus->driver->panel_power = bd->props.power;
6e0044be 1537
ade28abd
CC		 1538 /* When using scalar brightness, updating the brightness
1539 * will mess with the backlight power */
1540 if (asus->driver->quirks->scalar_panel_brightness)
1541 return err;
b7187265 1542 }
ade28abd
CC		 1543
1544 if (asus->driver->quirks->scalar_panel_brightness)
1545 ctrl_param = get_scalar_command(bd);
1546 else
1547 ctrl_param = bd->props.brightness;
1548
1549 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
1550 ctrl_param, NULL);
1551
8fbea019 1552 return err;
3d7b1655
YW		 1553}
1554
e12e6d94 1555static const struct backlight_ops asus_wmi_bl_ops = {
3d7b1655
YW		 1556 .get_brightness = read_brightness,
1557 .update_status = update_bl_status,
1558};
1559
e12e6d94 1560static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
3d7b1655 1561{
e12e6d94 1562 struct backlight_device *bd = asus->backlight_device;
3d7b1655 1563 int old = bd->props.brightness;
b7670ed6 1564 int new = old;
3d7b1655
YW		 1565
1566 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
1567 new = code - NOTIFY_BRNUP_MIN + 1;
1568 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
1569 new = code - NOTIFY_BRNDOWN_MIN;
1570
1571 bd->props.brightness = new;
1572 backlight_update_status(bd);
1573 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
1574
1575 return old;
1576}
1577
e12e6d94 1578static int asus_wmi_backlight_init(struct asus_wmi *asus)
3d7b1655
YW		 1579{
1580 struct backlight_device *bd;
1581 struct backlight_properties props;
b7187265
CC		 1582 int max;
1583 int power;
1584
8fbea019 1585 max = read_brightness_max(asus);
86ac2735 1586 if (max < 0)
8fbea019
CC		 1587 return max;
1588
1589 power = read_backlight_power(asus);
1590
b7187265
CC		 1591 if (power == -ENODEV)
1592 power = FB_BLANK_UNBLANK;
8fbea019
CC		 1593 else if (power < 0)
1594 return power;
3d7b1655
YW		 1595
1596 memset(&props, 0, sizeof(struct backlight_properties));
60cfa098 1597 props.type = BACKLIGHT_PLATFORM;
b7187265 1598 props.max_brightness = max;
e12e6d94
CC		 1599 bd = backlight_device_register(asus->driver->name,
1600 &asus->platform_device->dev, asus,
1601 &asus_wmi_bl_ops, &props);
3d7b1655
YW		 1602 if (IS_ERR(bd)) {
1603 pr_err("Could not register backlight device\n");
1604 return PTR_ERR(bd);
1605 }
1606
e12e6d94 1607 asus->backlight_device = bd;
3d7b1655 1608
6e0044be
AK		 1609 if (asus->driver->quirks->store_backlight_power)
1610 asus->driver->panel_power = power;
1611
3d7b1655 1612 bd->props.brightness = read_brightness(bd);
b7187265 1613 bd->props.power = power;
3d7b1655
YW		 1614 backlight_update_status(bd);
1615
c87992d1
AK		 1616 asus->driver->brightness = bd->props.brightness;
1617
3d7b1655
YW		 1618 return 0;
1619}
1620
e12e6d94 1621static void asus_wmi_backlight_exit(struct asus_wmi *asus)
3d7b1655 1622{
00981810 1623 backlight_device_unregister(asus->backlight_device);
3d7b1655 1624
e12e6d94 1625 asus->backlight_device = NULL;
3d7b1655
YW		 1626}
1627
a2a96f0c
AK		 1628static int is_display_toggle(int code)
1629{
1630 /* display toggle keys */
1631 if ((code >= 0x61 && code <= 0x67) ||
1632 (code >= 0x8c && code <= 0x93) ||
1633 (code >= 0xa0 && code <= 0xa7) ||
1634 (code >= 0xd0 && code <= 0xd5))
1635 return 1;
1636
1637 return 0;
1638}
1639
e12e6d94 1640static void asus_wmi_notify(u32 value, void *context)
3d7b1655 1641{
e12e6d94 1642 struct asus_wmi *asus = context;
3d7b1655
YW		 1643 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1644 union acpi_object *obj;
1645 acpi_status status;
1646 int code;
1647 int orig_code;
c4453f6a
SF		 1648 unsigned int key_value = 1;
1649 bool autorelease = 1;
3d7b1655
YW		 1650
1651 status = wmi_get_event_data(value, &response);
1652 if (status != AE_OK) {
1653 pr_err("bad event status 0x%x\n", status);
1654 return;
1655 }
1656
1657 obj = (union acpi_object *)response.pointer;
1658
57ab7dae
CC		 1659 if (!obj || obj->type != ACPI_TYPE_INTEGER)
1660 goto exit;
3d7b1655 1661
57ab7dae
CC		 1662 code = obj->integer.value;
1663 orig_code = code;
3d7b1655 1664
c4453f6a
SF		 1665 if (asus->driver->key_filter) {
1666 asus->driver->key_filter(asus->driver, &code, &key_value,
1667 &autorelease);
1668 if (code == ASUS_WMI_KEY_IGNORE)
1669 goto exit;
1670 }
1671
57ab7dae 1672 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3ba0302b 1673 code = ASUS_WMI_BRN_UP;
57ab7dae
CC		 1674 else if (code >= NOTIFY_BRNDOWN_MIN &&
1675 code <= NOTIFY_BRNDOWN_MAX)
3ba0302b 1676 code = ASUS_WMI_BRN_DOWN;
3d7b1655 1677
3ba0302b 1678 if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
62c4aa1a 1679 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
57ab7dae 1680 asus_wmi_backlight_notify(asus, orig_code);
3ba0302b 1681 goto exit;
a2a96f0c 1682 }
a2a96f0c
AK		 1683 }
1684
1685 if (is_display_toggle(code) &&
1686 asus->driver->quirks->no_display_toggle)
1687 goto exit;
1688
1689 if (!sparse_keymap_report_event(asus->inputdev, code,
1690 key_value, autorelease))
57ab7dae 1691 pr_info("Unknown key %x pressed\n", code);
3d7b1655 1692
57ab7dae 1693exit:
3d7b1655
YW		 1694 kfree(obj);
1695}
1696
9e1565bc
CC		 1697/*
1698 * Sys helpers
1699 */
1700static int parse_arg(const char *buf, unsigned long count, int *val)
1701{
1702 if (!count)
1703 return 0;
1704 if (sscanf(buf, "%i", val) != 1)
1705 return -EINVAL;
1706 return count;
1707}
1708
1d070f89
CC		 1709static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
1710 const char *buf, size_t count)
9e1565bc 1711{
9e1565bc 1712 u32 retval;
d33da3b6 1713 int rv, err, value;
9e1565bc 1714
1d070f89 1715 value = asus_wmi_get_devstate_simple(asus, devid);
b8298340 1716 if (value < 0)
9e1565bc
CC		 1717 return value;
1718
1719 rv = parse_arg(buf, count, &value);
d33da3b6
CC		 1720 err = asus_wmi_set_devstate(devid, value, &retval);
1721
1722 if (err < 0)
1723 return err;
9e1565bc 1724
9e1565bc
CC		 1725 return rv;
1726}
1727
1d070f89 1728static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
9e1565bc 1729{
1d070f89 1730 int value = asus_wmi_get_devstate_simple(asus, devid);
9e1565bc
CC		 1731
1732 if (value < 0)
1733 return value;
1734
1735 return sprintf(buf, "%d\n", value);
1736}
1737
e12e6d94 1738#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
9e1565bc
CC		 1739 static ssize_t show_##_name(struct device *dev, \
1740 struct device_attribute *attr, \
1741 char *buf) \
1742 { \
1d070f89
CC		 1743 struct asus_wmi *asus = dev_get_drvdata(dev); \
1744 \
1745 return show_sys_wmi(asus, _cm, buf); \
9e1565bc
CC		 1746 } \
1747 static ssize_t store_##_name(struct device *dev, \
1748 struct device_attribute *attr, \
1749 const char *buf, size_t count) \
1750 { \
1d070f89
CC		 1751 struct asus_wmi *asus = dev_get_drvdata(dev); \
1752 \
1753 return store_sys_wmi(asus, _cm, buf, count); \
9e1565bc
CC		 1754 } \
1755 static struct device_attribute dev_attr_##_name = { \
1756 .attr = { \
1757 .name = __stringify(_name), \
1758 .mode = _mode }, \
1759 .show = show_##_name, \
1760 .store = store_##_name, \
1761 }
1762
e12e6d94
CC		 1763ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
1764ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
1765ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
c0b91b6d 1766ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
aca234f6 1767ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
9e1565bc 1768
a8fe3428 1769static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
67fa38ec 1770 const char *buf, size_t count)
7f80d734 1771{
3df5fdad 1772 int value, rv;
7f80d734
CB		 1773
1774 if (!count || sscanf(buf, "%i", &value) != 1)
1775 return -EINVAL;
1776 if (value < 0 || value > 2)
1777 return -EINVAL;
1778
3df5fdad
CC		 1779 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
1780 if (rv < 0)
1781 return rv;
1782
1783 return count;
7f80d734
CB		 1784}
1785
a8fe3428 1786static DEVICE_ATTR_WO(cpufv);
7f80d734 1787
4e37b42d
CC		 1788static struct attribute *platform_attributes[] = {
1789 &dev_attr_cpufv.attr,
9e1565bc
CC		 1790 &dev_attr_camera.attr,
1791 &dev_attr_cardr.attr,
4615bb66 1792 &dev_attr_touchpad.attr,
c0b91b6d 1793 &dev_attr_lid_resume.attr,
aca234f6 1794 &dev_attr_als_enable.attr,
4e37b42d
CC		 1795 NULL
1796};
1797
587a1f16 1798static umode_t asus_sysfs_is_visible(struct kobject *kobj,
e12e6d94 1799 struct attribute *attr, int idx)
9e1565bc 1800{
1d070f89
CC		 1801 struct device *dev = container_of(kobj, struct device, kobj);
1802 struct platform_device *pdev = to_platform_device(dev);
1803 struct asus_wmi *asus = platform_get_drvdata(pdev);
1804 bool ok = true;
9e1565bc
CC		 1805 int devid = -1;
1806
1807 if (attr == &dev_attr_camera.attr)
e12e6d94 1808 devid = ASUS_WMI_DEVID_CAMERA;
9e1565bc 1809 else if (attr == &dev_attr_cardr.attr)
e12e6d94 1810 devid = ASUS_WMI_DEVID_CARDREADER;
4615bb66 1811 else if (attr == &dev_attr_touchpad.attr)
e12e6d94 1812 devid = ASUS_WMI_DEVID_TOUCHPAD;
c0b91b6d
AK		 1813 else if (attr == &dev_attr_lid_resume.attr)
1814 devid = ASUS_WMI_DEVID_LID_RESUME;
aca234f6
OR		 1815 else if (attr == &dev_attr_als_enable.attr)
1816 devid = ASUS_WMI_DEVID_ALS_ENABLE;
9e1565bc
CC		 1817
1818 if (devid != -1)
1d070f89 1819 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
9e1565bc 1820
1d070f89 1821 return ok ? attr->mode : 0;
9e1565bc
CC		 1822}
1823
e90d9ba8 1824static const struct attribute_group platform_attribute_group = {
e12e6d94
CC		 1825 .is_visible = asus_sysfs_is_visible,
1826 .attrs = platform_attributes
4e37b42d
CC		 1827};
1828
e12e6d94 1829static void asus_wmi_sysfs_exit(struct platform_device *device)
7f80d734 1830{
4e37b42d 1831 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
7f80d734
CB		 1832}
1833
e12e6d94 1834static int asus_wmi_sysfs_init(struct platform_device *device)
7f80d734 1835{
4e37b42d 1836 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
7f80d734
CB		 1837}
1838
27c136c8
CC		 1839/*
1840 * Platform device
1841 */
39ddf3bf 1842static int asus_wmi_platform_init(struct asus_wmi *asus)
ee027e4a 1843{
46dbca87
CC		 1844 int rv;
1845
1846 /* INIT enable hotkeys on some models */
1847 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
0ed60654 1848 pr_info("Initialization: %#x\n", rv);
46dbca87
CC		 1849
1850 /* We don't know yet what to do with this version... */
1851 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
0ed60654 1852 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
46dbca87
CC		 1853 asus->spec = rv;
1854 }
1855
1856 /*
1857 * The SFUN method probably allows the original driver to get the list
1858 * of features supported by a given model. For now, 0x0100 or 0x0800
1859 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
1860 * The significance of others is yet to be found.
1861 */
1862 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
0ed60654 1863 pr_info("SFUN value: %#x\n", rv);
46dbca87
CC		 1864 asus->sfun = rv;
1865 }
1866
1d070f89
CC		 1867 /*
1868 * Eee PC and Notebooks seems to have different method_id for DSTS,
1869 * but it may also be related to the BIOS's SPEC.
1870 * Note, on most Eeepc, there is no way to check if a method exist
1871 * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
1872 * but once again, SPEC may probably be used for that kind of things.
1873 */
1874 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL))
1875 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
63a78bb1 1876 else
1d070f89
CC		 1877 asus->dsts_id = ASUS_WMI_METHODID_DSTS2;
1878
fddbfed5
CC		 1879 /* CWAP allow to define the behavior of the Fn+F2 key,
1880 * this method doesn't seems to be present on Eee PCs */
6a2bcccd 1881 if (asus->driver->quirks->wapf >= 0)
fddbfed5 1882 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
6a2bcccd 1883 asus->driver->quirks->wapf, NULL);
fddbfed5 1884
e12e6d94 1885 return asus_wmi_sysfs_init(asus->platform_device);
27c136c8
CC		 1886}
1887
e12e6d94 1888static void asus_wmi_platform_exit(struct asus_wmi *asus)
27c136c8 1889{
e12e6d94 1890 asus_wmi_sysfs_exit(asus->platform_device);
27c136c8
CC		 1891}
1892
8c1b2d83
CC		 1893/*
1894 * debugfs
1895 */
e12e6d94
CC		 1896struct asus_wmi_debugfs_node {
1897 struct asus_wmi *asus;
8c1b2d83 1898 char *name;
e12e6d94 1899 int (*show) (struct seq_file *m, void *data);
8c1b2d83
CC		 1900};
1901
1902static int show_dsts(struct seq_file *m, void *data)
1903{
e12e6d94 1904 struct asus_wmi *asus = m->private;
d33da3b6 1905 int err;
8c1b2d83
CC		 1906 u32 retval = -1;
1907
1d070f89 1908 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
8c1b2d83 1909
d33da3b6
CC		 1910 if (err < 0)
1911 return err;
8c1b2d83 1912
ef343491 1913 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
8c1b2d83
CC		 1914
1915 return 0;
1916}
1917
1918static int show_devs(struct seq_file *m, void *data)
1919{
e12e6d94 1920 struct asus_wmi *asus = m->private;
d33da3b6 1921 int err;
8c1b2d83
CC		 1922 u32 retval = -1;
1923
d33da3b6
CC		 1924 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
1925 &retval);
1926
1927 if (err < 0)
1928 return err;
8c1b2d83 1929
ef343491 1930 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
e12e6d94 1931 asus->debug.ctrl_param, retval);
8c1b2d83
CC		 1932
1933 return 0;
1934}
1935
ef343491
CC		 1936static int show_call(struct seq_file *m, void *data)
1937{
1938 struct asus_wmi *asus = m->private;
1939 struct bios_args args = {
1940 .arg0 = asus->debug.dev_id,
1941 .arg1 = asus->debug.ctrl_param,
1942 };
1943 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1944 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
1945 union acpi_object *obj;
1946 acpi_status status;
1947
1948 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
1949 1, asus->debug.method_id,
1950 &input, &output);
1951
1952 if (ACPI_FAILURE(status))
1953 return -EIO;
1954
1955 obj = (union acpi_object *)output.pointer;
1956 if (obj && obj->type == ACPI_TYPE_INTEGER)
1957 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
1958 asus->debug.dev_id, asus->debug.ctrl_param,
1959 (u32) obj->integer.value);
1960 else
1961 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
1962 asus->debug.dev_id, asus->debug.ctrl_param,
a1d60867 1963 obj ? obj->type : -1);
ef343491
CC		 1964
1965 kfree(obj);
1966
1967 return 0;
1968}
1969
e12e6d94
CC		 1970static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
1971 {NULL, "devs", show_devs},
1972 {NULL, "dsts", show_dsts},
ef343491 1973 {NULL, "call", show_call},
8c1b2d83
CC		 1974};
1975
e12e6d94 1976static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
8c1b2d83 1977{
e12e6d94 1978 struct asus_wmi_debugfs_node *node = inode->i_private;
8c1b2d83 1979
e12e6d94 1980 return single_open(file, node->show, node->asus);
8c1b2d83
CC		 1981}
1982
e12e6d94 1983static const struct file_operations asus_wmi_debugfs_io_ops = {
8c1b2d83 1984 .owner = THIS_MODULE,
e12e6d94 1985 .open = asus_wmi_debugfs_open,
8c1b2d83
CC		 1986 .read = seq_read,
1987 .llseek = seq_lseek,
1988 .release = single_release,
1989};
1990
e12e6d94 1991static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
8c1b2d83 1992{
e12e6d94 1993 debugfs_remove_recursive(asus->debug.root);
8c1b2d83
CC		 1994}
1995
e12e6d94 1996static int asus_wmi_debugfs_init(struct asus_wmi *asus)
8c1b2d83
CC		 1997{
1998 struct dentry *dent;
1999 int i;
2000
e12e6d94
CC		 2001 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
2002 if (!asus->debug.root) {
0ed60654 2003 pr_err("failed to create debugfs directory\n");
8c1b2d83
CC		 2004 goto error_debugfs;
2005 }
2006
ef343491
CC		 2007 dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR,
2008 asus->debug.root, &asus->debug.method_id);
2009 if (!dent)
2010 goto error_debugfs;
2011
e12e6d94
CC		 2012 dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR,
2013 asus->debug.root, &asus->debug.dev_id);
8c1b2d83
CC		 2014 if (!dent)
2015 goto error_debugfs;
2016
e12e6d94
CC		 2017 dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR,
2018 asus->debug.root, &asus->debug.ctrl_param);
8c1b2d83
CC		 2019 if (!dent)
2020 goto error_debugfs;
2021
e12e6d94
CC		 2022 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
2023 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
8c1b2d83 2024
e12e6d94 2025 node->asus = asus;
8c1b2d83 2026 dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO,
e12e6d94
CC		 2027 asus->debug.root, node,
2028 &asus_wmi_debugfs_io_ops);
8c1b2d83
CC		 2029 if (!dent) {
2030 pr_err("failed to create debug file: %s\n", node->name);
2031 goto error_debugfs;
2032 }
2033 }
2034
2035 return 0;
2036
2037error_debugfs:
e12e6d94 2038 asus_wmi_debugfs_exit(asus);
8c1b2d83
CC		 2039 return -ENOMEM;
2040}
2041
53e755c2
KB		 2042static int asus_wmi_fan_init(struct asus_wmi *asus)
2043{
2044 int status;
2045
2046 asus->asus_hwmon_pwm = -1;
2047 asus->asus_hwmon_num_fans = -1;
2048 asus->asus_hwmon_fan_manual_mode = false;
2049
2050 status = asus_hwmon_get_fan_number(asus, &asus->asus_hwmon_num_fans);
2051 if (status) {
2052 asus->asus_hwmon_num_fans = 0;
2053 pr_warn("Could not determine number of fans: %d\n", status);
2054 return -ENXIO;
2055 }
2056
2057 pr_info("Number of fans: %d\n", asus->asus_hwmon_num_fans);
2058 return 0;
2059}
2060
71050ae7
JPRV		 2061static bool ashs_present(void)
2062{
2063 int i = 0;
2064 while (ashs_ids[i]) {
2065 if (acpi_dev_found(ashs_ids[i++]))
2066 return true;
2067 }
2068 return false;
2069}
2070
27c136c8
CC		 2071/*
2072 * WMI Driver
2073 */
e12e6d94 2074static int asus_wmi_add(struct platform_device *pdev)
afa7c886 2075{
e12e6d94
CC		 2076 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2077 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2078 struct asus_wmi *asus;
d8c66f62 2079 const char *chassis_type;
ee027e4a 2080 acpi_status status;
27c136c8 2081 int err;
a50bd128 2082 u32 result;
ee027e4a 2083
e12e6d94
CC		 2084 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
2085 if (!asus)
a04ce290
CC		 2086 return -ENOMEM;
2087
e12e6d94
CC		 2088 asus->driver = wdrv;
2089 asus->platform_device = pdev;
2090 wdrv->platform_device = pdev;
2091 platform_set_drvdata(asus->platform_device, asus);
27c136c8 2092
c87992d1
AK		 2093 if (wdrv->detect_quirks)
2094 wdrv->detect_quirks(asus->driver);
afa7c886 2095
e12e6d94 2096 err = asus_wmi_platform_init(asus);
27c136c8
CC		 2097 if (err)
2098 goto fail_platform;
45f2c693 2099
e12e6d94 2100 err = asus_wmi_input_init(asus);
45f2c693 2101 if (err)
27c136c8 2102 goto fail_input;
3d7b1655 2103
53e755c2
KB		 2104 err = asus_wmi_fan_init(asus); /* probably no problems on error */
2105 asus_hwmon_fan_set_auto(asus);
2106
e07babde
CC		 2107 err = asus_wmi_hwmon_init(asus);
2108 if (err)
2109 goto fail_hwmon;
2110
e12e6d94 2111 err = asus_wmi_led_init(asus);
084fca63
CC		 2112 if (err)
2113 goto fail_leds;
2114
71050ae7
JPRV		 2115 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
2116 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
2117 asus->driver->wlan_ctrl_by_user = 1;
2118
d1c4e9bf 2119 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
a977e59c
JPRV		 2120 err = asus_wmi_rfkill_init(asus);
2121 if (err)
2122 goto fail_rfkill;
2123 }
ba48fdb9 2124
e9b61518
OR		 2125 if (asus->driver->quirks->wmi_force_als_set)
2126 asus_wmi_set_als();
2127
d8c66f62
HG		 2128 /* Some Asus desktop boards export an acpi-video backlight interface,
2129 stop this from showing up */
2130 chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
2131 if (chassis_type && !strcmp(chassis_type, "3"))
62c4aa1a
HG		 2132 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2133
272c77d5 2134 if (asus->driver->quirks->wmi_backlight_power)
62c4aa1a
HG		 2135 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2136
999d4376 2137 if (asus->driver->quirks->wmi_backlight_native)
2138 acpi_video_set_dmi_backlight_type(acpi_backlight_native);
2139
8023eff1
KCH		 2140 if (asus->driver->quirks->xusb2pr)
2141 asus_wmi_set_xusb2pr(asus);
2142
62c4aa1a 2143 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
e12e6d94 2144 err = asus_wmi_backlight_init(asus);
b7187265 2145 if (err && err != -ENODEV)
27c136c8 2146 goto fail_backlight;
62c4aa1a 2147 }
45f2c693 2148
e12e6d94
CC		 2149 status = wmi_install_notify_handler(asus->driver->event_guid,
2150 asus_wmi_notify, asus);
45f2c693 2151 if (ACPI_FAILURE(status)) {
e12e6d94 2152 pr_err("Unable to register notify handler - %d\n", status);
45f2c693 2153 err = -ENODEV;
27c136c8 2154 goto fail_wmi_handler;
45f2c693
YW		 2155 }
2156
e12e6d94 2157 err = asus_wmi_debugfs_init(asus);
8c1b2d83
CC		 2158 if (err)
2159 goto fail_debugfs;
2160
a04ce290 2161 return 0;
45f2c693 2162
8c1b2d83 2163fail_debugfs:
e12e6d94 2164 wmi_remove_notify_handler(asus->driver->event_guid);
27c136c8 2165fail_wmi_handler:
e12e6d94 2166 asus_wmi_backlight_exit(asus);
27c136c8 2167fail_backlight:
e12e6d94 2168 asus_wmi_rfkill_exit(asus);
ba48fdb9 2169fail_rfkill:
e12e6d94 2170 asus_wmi_led_exit(asus);
084fca63 2171fail_leds:
e07babde 2172fail_hwmon:
e12e6d94 2173 asus_wmi_input_exit(asus);
27c136c8 2174fail_input:
e12e6d94 2175 asus_wmi_platform_exit(asus);
27c136c8 2176fail_platform:
e12e6d94 2177 kfree(asus);
a04ce290 2178 return err;
45f2c693
YW		 2179}
2180
e12e6d94 2181static int asus_wmi_remove(struct platform_device *device)
45f2c693 2182{
e12e6d94
CC		 2183 struct asus_wmi *asus;
2184
2185 asus = platform_get_drvdata(device);
2186 wmi_remove_notify_handler(asus->driver->event_guid);
2187 asus_wmi_backlight_exit(asus);
2188 asus_wmi_input_exit(asus);
2189 asus_wmi_led_exit(asus);
2190 asus_wmi_rfkill_exit(asus);
2191 asus_wmi_debugfs_exit(asus);
2192 asus_wmi_platform_exit(asus);
53e755c2 2193 asus_hwmon_fan_set_auto(asus);
e12e6d94
CC		 2194
2195 kfree(asus);
45f2c693
YW		 2196 return 0;
2197}
2198
0773d7f9
CC		 2199/*
2200 * Platform driver - hibernate/resume callbacks
2201 */
e12e6d94 2202static int asus_hotk_thaw(struct device *device)
0773d7f9 2203{
e12e6d94 2204 struct asus_wmi *asus = dev_get_drvdata(device);
0773d7f9 2205
a7ce3f04 2206 if (asus->wlan.rfkill) {
0773d7f9
CC		 2207 bool wlan;
2208
2209 /*
2210 * Work around bios bug - acpi _PTS turns off the wireless led
2211 * during suspend. Normally it restores it on resume, but
2212 * we should kick it ourselves in case hibernation is aborted.
2213 */
1d070f89 2214 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
e12e6d94 2215 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
0773d7f9
CC		 2216 }
2217
2218 return 0;
2219}
2220
30734049
OR		 2221static int asus_hotk_resume(struct device *device)
2222{
2223 struct asus_wmi *asus = dev_get_drvdata(device);
2224
2225 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
2226 queue_work(asus->led_workqueue, &asus->kbd_led_work);
2227
2228 return 0;
2229}
2230
e12e6d94 2231static int asus_hotk_restore(struct device *device)
0773d7f9 2232{
e12e6d94 2233 struct asus_wmi *asus = dev_get_drvdata(device);
0773d7f9
CC		 2234 int bl;
2235
2236 /* Refresh both wlan rfkill state and pci hotplug */
a7ce3f04 2237 if (asus->wlan.rfkill)
e12e6d94 2238 asus_rfkill_hotplug(asus);
0773d7f9 2239
a7ce3f04 2240 if (asus->bluetooth.rfkill) {
1d070f89
CC		 2241 bl = !asus_wmi_get_devstate_simple(asus,
2242 ASUS_WMI_DEVID_BLUETOOTH);
a7ce3f04 2243 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
2e9e159d 2244 }
a7ce3f04 2245 if (asus->wimax.rfkill) {
1d070f89 2246 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
a7ce3f04 2247 rfkill_set_sw_state(asus->wimax.rfkill, bl);
2e9e159d 2248 }
a7ce3f04 2249 if (asus->wwan3g.rfkill) {
1d070f89 2250 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
a7ce3f04 2251 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
0773d7f9 2252 }
43be8bde
CC		 2253 if (asus->gps.rfkill) {
2254 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
2255 rfkill_set_sw_state(asus->gps.rfkill, bl);
2256 }
a912d329
CC		 2257 if (asus->uwb.rfkill) {
2258 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
2259 rfkill_set_sw_state(asus->uwb.rfkill, bl);
2260 }
30734049
OR		 2261 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
2262 queue_work(asus->led_workqueue, &asus->kbd_led_work);
0773d7f9
CC		 2263
2264 return 0;
2265}
2266
e12e6d94
CC		 2267static const struct dev_pm_ops asus_pm_ops = {
2268 .thaw = asus_hotk_thaw,
2269 .restore = asus_hotk_restore,
30734049 2270 .resume = asus_hotk_resume,
45f2c693
YW		 2271};
2272
e12e6d94 2273static int asus_wmi_probe(struct platform_device *pdev)
d358cb55 2274{
e12e6d94
CC		 2275 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2276 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2277 int ret;
d358cb55 2278
e12e6d94 2279 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
5ad77dcf 2280 pr_warn("Management GUID not found\n");
ee027e4a
YW		 2281 return -ENODEV;
2282 }
2283
e12e6d94 2284 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
5ad77dcf 2285 pr_warn("Event GUID not found\n");
d358cb55
CC		 2286 return -ENODEV;
2287 }
2288
e12e6d94
CC		 2289 if (wdrv->probe) {
2290 ret = wdrv->probe(pdev);
2291 if (ret)
2292 return ret;
2293 }
2294
2295 return asus_wmi_add(pdev);
a04ce290 2296}
45f2c693 2297
e12e6d94 2298static bool used;
ee027e4a 2299
8fe8c25e 2300int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
a04ce290 2301{
e12e6d94
CC		 2302 struct platform_driver *platform_driver;
2303 struct platform_device *platform_device;
2304
2305 if (used)
2306 return -EBUSY;
2307
2308 platform_driver = &driver->platform_driver;
2309 platform_driver->remove = asus_wmi_remove;
2310 platform_driver->driver.owner = driver->owner;
2311 platform_driver->driver.name = driver->name;
2312 platform_driver->driver.pm = &asus_pm_ops;
2313
2314 platform_device = platform_create_bundle(platform_driver,
2315 asus_wmi_probe,
a04ce290
CC		 2316 NULL, 0, NULL, 0);
2317 if (IS_ERR(platform_device))
2318 return PTR_ERR(platform_device);
e12e6d94
CC		 2319
2320 used = true;
2321 return 0;
2322}
2323EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
2324
2325void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
2326{
2327 platform_device_unregister(driver->platform_device);
2328 platform_driver_unregister(&driver->platform_driver);
2329 used = false;
2330}
2331EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
2332
2333static int __init asus_wmi_init(void)
2334{
2335 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
0ed60654 2336 pr_info("Asus Management GUID not found\n");
e12e6d94
CC		 2337 return -ENODEV;
2338 }
2339
0ed60654 2340 pr_info("ASUS WMI generic driver loaded\n");
ee027e4a
YW		 2341 return 0;
2342}
2343
e12e6d94 2344static void __exit asus_wmi_exit(void)
ee027e4a 2345{
0ed60654 2346 pr_info("ASUS WMI generic driver unloaded\n");
ee027e4a
YW		 2347}
2348
e12e6d94
CC		 2349module_init(asus_wmi_init);
2350module_exit(asus_wmi_exit);
Ubuntu Artful kernel mirror