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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
[mirror_ubuntu-hirsute-kernel.git] / drivers / platform / x86 / asus-laptop.c
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1a59d1b8 1// SPDX-License-Identifier: GPL-2.0-or-later
85091b71
CC		 2/*
3 * asus-laptop.c - Asus Laptop Support
4 *
85091b71 5 * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
8ec555c2 6 * Copyright (C) 2006-2007 Corentin Chary
8819de7f 7 * Copyright (C) 2011 Wind River Systems
85091b71 8 *
85091b71
CC		 9 * The development page for this driver is located at
10 * http://sourceforge.net/projects/acpi4asus/
11 *
12 * Credits:
13 * Pontus Fuchs - Helper functions, cleanup
14 * Johann Wiesner - Small compile fixes
15 * John Belmonte - ACPI code for Toshiba laptop was a good starting point.
16 * Eric Burghard - LED display support for W1N
17 * Josh Green - Light Sens support
c8440336 18 * Thomas Tuttle - His first patch for led support was very helpful
e539c2f6 19 * Sam Lin - GPS support
85091b71
CC		 20 */
21
2fcc23da
CC		 22#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23
85091b71
CC		 24#include <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/init.h>
27#include <linux/types.h>
28#include <linux/err.h>
29#include <linux/proc_fs.h>
6b7091e7
CC		 30#include <linux/backlight.h>
31#include <linux/fb.h>
be18cdab 32#include <linux/leds.h>
85091b71 33#include <linux/platform_device.h>
060cbce6 34#include <linux/uaccess.h>
034ce90a 35#include <linux/input.h>
66a71dd1 36#include <linux/input/sparse-keymap.h>
8819de7f 37#include <linux/input-polldev.h>
18e1311e 38#include <linux/rfkill.h>
5a0e3ad6 39#include <linux/slab.h>
af96f877 40#include <linux/dmi.h>
8b48463f 41#include <linux/acpi.h>
8b9e6b70 42#include <acpi/video.h>
85091b71 43
91687cc8 44#define ASUS_LAPTOP_VERSION "0.42"
85091b71 45
50a90c4d
CC		 46#define ASUS_LAPTOP_NAME "Asus Laptop Support"
47#define ASUS_LAPTOP_CLASS "hotkey"
48#define ASUS_LAPTOP_DEVICE_NAME "Hotkey"
49#define ASUS_LAPTOP_FILE KBUILD_MODNAME
50#define ASUS_LAPTOP_PREFIX "\\_SB.ATKD."
85091b71 51
85091b71 52MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
50a90c4d 53MODULE_DESCRIPTION(ASUS_LAPTOP_NAME);
85091b71
CC		 54MODULE_LICENSE("GPL");
55
be966660
CC		 56/*
57 * WAPF defines the behavior of the Fn+Fx wlan key
185e5af9
CC		 58 * The significance of values is yet to be found, but
59 * most of the time:
fddbfed5
CC		 60 * Bit | Bluetooth | WLAN
61 * 0 | Hardware | Hardware
62 * 1 | Hardware | Software
63 * 4 | Software | Software
185e5af9
CC		 64 */
65static uint wapf = 1;
c26d85cb 66module_param(wapf, uint, 0444);
185e5af9
CC		 67MODULE_PARM_DESC(wapf, "WAPF value");
68
774b0678
CC		 69static char *wled_type = "unknown";
70static char *bled_type = "unknown";
71
72module_param(wled_type, charp, 0444);
3f5449bf 73MODULE_PARM_DESC(wled_type, "Set the wled type on boot "
774b0678
CC		 74 "(unknown, led or rfkill). "
75 "default is unknown");
76
77module_param(bled_type, charp, 0444);
78MODULE_PARM_DESC(bled_type, "Set the bled type on boot "
79 "(unknown, led or rfkill). "
80 "default is unknown");
81
668f4a03
DC		 82static int wlan_status = 1;
83static int bluetooth_status = 1;
ba1ff5be
CC		 84static int wimax_status = -1;
85static int wwan_status = -1;
abec04db 86static int als_status;
0e875f49 87
c26d85cb 88module_param(wlan_status, int, 0444);
d0930a2d 89MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
0e875f49 90 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 91 "default is -1");
0e875f49 92
c26d85cb 93module_param(bluetooth_status, int, 0444);
0e875f49
CC		 94MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
95 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 96 "default is -1");
0e875f49 97
ba1ff5be
CC		 98module_param(wimax_status, int, 0444);
99MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
100 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 101 "default is -1");
ba1ff5be
CC		 102
103module_param(wwan_status, int, 0444);
104MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
105 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 106 "default is -1");
ba1ff5be 107
abec04db
AR		 108module_param(als_status, int, 0444);
109MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
110 "(0 = disabled, 1 = enabled). "
111 "default is 0");
112
be4ee82d
CC		 113/*
114 * Some events we use, same for all Asus
115 */
2740e1bd
CC		 116#define ATKD_BRNUP_MIN 0x10
117#define ATKD_BRNUP_MAX 0x1f
118#define ATKD_BRNDOWN_MIN 0x20
119#define ATKD_BRNDOWN_MAX 0x2f
120#define ATKD_BRNDOWN 0x20
121#define ATKD_BRNUP 0x2f
be4ee82d
CC		 122#define ATKD_LCD_ON 0x33
123#define ATKD_LCD_OFF 0x34
124
125/*
126 * Known bits returned by \_SB.ATKD.HWRS
127 */
128#define WL_HWRS 0x80
129#define BT_HWRS 0x100
130
131/*
132 * Flags for hotk status
133 * WL_ON and BT_ON are also used for wireless_status()
134 */
17e78f62
CC		 135#define WL_RSTS 0x01 /* internal Wifi */
136#define BT_RSTS 0x02 /* internal Bluetooth */
ba1ff5be
CC		 137#define WM_RSTS 0x08 /* internal wimax */
138#define WW_RSTS 0x20 /* internal wwan */
be4ee82d 139
774b0678
CC		 140/* WLED and BLED type */
141#define TYPE_UNKNOWN 0
142#define TYPE_LED 1
143#define TYPE_RFKILL 2
144
be18cdab 145/* LED */
d99b577c
CC		 146#define METHOD_MLED "MLED"
147#define METHOD_TLED "TLED"
148#define METHOD_RLED "RLED" /* W1JC */
149#define METHOD_PLED "PLED" /* A7J */
150#define METHOD_GLED "GLED" /* G1, G2 (probably) */
be18cdab 151
722ad971 152/* LEDD */
d99b577c 153#define METHOD_LEDD "SLCM"
722ad971 154
be966660
CC		 155/*
156 * Bluetooth and WLAN
4564de17
CC		 157 * WLED and BLED are not handled like other XLED, because in some dsdt
158 * they also control the WLAN/Bluetooth device.
159 */
d99b577c
CC		 160#define METHOD_WLAN "WLED"
161#define METHOD_BLUETOOTH "BLED"
ba1ff5be
CC		 162
163/* WWAN and WIMAX */
164#define METHOD_WWAN "GSMC"
165#define METHOD_WIMAX "WMXC"
166
d99b577c 167#define METHOD_WL_STATUS "RSTS"
4564de17 168
6b7091e7 169/* Brightness */
d99b577c
CC		 170#define METHOD_BRIGHTNESS_SET "SPLV"
171#define METHOD_BRIGHTNESS_GET "GPLV"
6b7091e7 172
78127b4a 173/* Display */
d99b577c 174#define METHOD_SWITCH_DISPLAY "SDSP"
060cbce6 175
d99b577c
CC		 176#define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */
177#define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */
8b857353 178
e539c2f6
CC		 179/* GPS */
180/* R2H use different handle for GPS on/off */
d99b577c
CC		 181#define METHOD_GPS_ON "SDON"
182#define METHOD_GPS_OFF "SDOF"
183#define METHOD_GPS_STATUS "GPST"
e539c2f6 184
b7d3fbc2 185/* Keyboard light */
d99b577c
CC		 186#define METHOD_KBD_LIGHT_SET "SLKB"
187#define METHOD_KBD_LIGHT_GET "GLKB"
b7d3fbc2 188
8819de7f
AR		 189/* For Pegatron Lucid tablet */
190#define DEVICE_NAME_PEGA "Lucid"
33989ba6 191
8819de7f
AR		 192#define METHOD_PEGA_ENABLE "ENPR"
193#define METHOD_PEGA_DISABLE "DAPR"
14908399
AA		 194#define PEGA_WLAN 0x00
195#define PEGA_BLUETOOTH 0x01
196#define PEGA_WWAN 0x02
33989ba6
AR		 197#define PEGA_ALS 0x04
198#define PEGA_ALS_POWER 0x05
199
8819de7f 200#define METHOD_PEGA_READ "RDLN"
33989ba6
AR		 201#define PEGA_READ_ALS_H 0x02
202#define PEGA_READ_ALS_L 0x03
8819de7f 203
b23910c2
AR		 204#define PEGA_ACCEL_NAME "pega_accel"
205#define PEGA_ACCEL_DESC "Pegatron Lucid Tablet Accelerometer"
206#define METHOD_XLRX "XLRX"
207#define METHOD_XLRY "XLRY"
208#define METHOD_XLRZ "XLRZ"
209#define PEGA_ACC_CLAMP 512 /* 1G accel is reported as ~256, so clamp to 2G */
210#define PEGA_ACC_RETRIES 3
211
9129d14d
CC		 212/*
213 * Define a specific led structure to keep the main structure clean
214 */
aee0afb8
CC		 215struct asus_led {
216 int wk;
217 struct work_struct work;
218 struct led_classdev led;
219 struct asus_laptop *asus;
220 const char *method;
9129d14d
CC		 221};
222
14908399
AA		 223/*
224 * Same thing for rfkill
225 */
40969c7d 226struct asus_rfkill {
774b0678
CC		 227 /* type of control. Maps to PEGA_* values or *_RSTS */
228 int control_id;
14908399
AA		 229 struct rfkill *rfkill;
230 struct asus_laptop *asus;
231};
232
85091b71
CC		 233/*
234 * This is the main structure, we can use it to store anything interesting
235 * about the hotk device
236 */
50a90c4d 237struct asus_laptop {
be966660 238 char *name; /* laptop name */
600ad520 239
7c247645 240 struct acpi_table_header *dsdt_info;
600ad520 241 struct platform_device *platform_device;
7c247645
CC		 242 struct acpi_device *device; /* the device we are in */
243 struct backlight_device *backlight_device;
9129d14d 244
7c247645 245 struct input_dev *inputdev;
9129d14d 246 struct key_entry *keymap;
b23910c2 247 struct input_polled_dev *pega_accel_poll;
9129d14d 248
774b0678
CC		 249 struct asus_led wled;
250 struct asus_led bled;
aee0afb8
CC		 251 struct asus_led mled;
252 struct asus_led tled;
253 struct asus_led rled;
254 struct asus_led pled;
255 struct asus_led gled;
256 struct asus_led kled;
257 struct workqueue_struct *led_workqueue;
7c247645 258
774b0678
CC		 259 int wled_type;
260 int bled_type;
aa9df930
CC		 261 int wireless_status;
262 bool have_rsts;
8819de7f 263 bool is_pega_lucid;
b23910c2
AR		 264 bool pega_acc_live;
265 int pega_acc_x;
266 int pega_acc_y;
267 int pega_acc_z;
aa9df930 268
40969c7d
CC		 269 struct asus_rfkill wlan;
270 struct asus_rfkill bluetooth;
271 struct asus_rfkill wwan;
3c8671ff 272 struct asus_rfkill wimax;
40969c7d 273 struct asus_rfkill gps;
14908399 274
be966660 275 acpi_handle handle; /* the handle of the hotk device */
be966660
CC		 276 u32 ledd_status; /* status of the LED display */
277 u8 light_level; /* light sensor level */
278 u8 light_switch; /* light sensor switch value */
279 u16 event_count[128]; /* count for each event TODO make this better */
85091b71
CC		 280};
281
9129d14d 282static const struct key_entry asus_keymap[] = {
a539df5e 283 /* Lenovo SL Specific keycodes */
66a71dd1
CC		 284 {KE_KEY, 0x02, { KEY_SCREENLOCK } },
285 {KE_KEY, 0x05, { KEY_WLAN } },
286 {KE_KEY, 0x08, { KEY_F13 } },
a2d5dd24 287 {KE_KEY, 0x09, { KEY_PROG2 } }, /* Dock */
66a71dd1
CC		 288 {KE_KEY, 0x17, { KEY_ZOOM } },
289 {KE_KEY, 0x1f, { KEY_BATTERY } },
a539df5e 290 /* End of Lenovo SL Specific keycodes */
2740e1bd
CC		 291 {KE_KEY, ATKD_BRNDOWN, { KEY_BRIGHTNESSDOWN } },
292 {KE_KEY, ATKD_BRNUP, { KEY_BRIGHTNESSUP } },
66a71dd1
CC		 293 {KE_KEY, 0x30, { KEY_VOLUMEUP } },
294 {KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
295 {KE_KEY, 0x32, { KEY_MUTE } },
a935eaec
CC		 296 {KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
297 {KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
66a71dd1
CC		 298 {KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
299 {KE_KEY, 0x41, { KEY_NEXTSONG } },
a935eaec 300 {KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
66a71dd1 301 {KE_KEY, 0x45, { KEY_PLAYPAUSE } },
a935eaec 302 {KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
66a71dd1
CC		 303 {KE_KEY, 0x50, { KEY_EMAIL } },
304 {KE_KEY, 0x51, { KEY_WWW } },
305 {KE_KEY, 0x55, { KEY_CALC } },
982d385a
CC		 306 {KE_IGNORE, 0x57, }, /* Battery mode */
307 {KE_IGNORE, 0x58, }, /* AC mode */
66a71dd1 308 {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */
a935eaec
CC		 309 {KE_KEY, 0x5D, { KEY_WLAN } }, /* WLAN Toggle */
310 {KE_KEY, 0x5E, { KEY_WLAN } }, /* WLAN Enable */
311 {KE_KEY, 0x5F, { KEY_WLAN } }, /* WLAN Disable */
19d3ab12 312 {KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
3da4cd20
AK		 313 {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
314 {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
315 {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
316 {KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
317 {KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
318 {KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
319 {KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
97ade769 320 {KE_KEY, 0x6A, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad Fn + F9 */
a935eaec 321 {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad */
a2d5dd24
CC		 322 {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */
323 {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */
982d385a 324 {KE_IGNORE, 0x6E, }, /* Low Battery notification */
a935eaec
CC		 325 {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
326 {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
66a71dd1 327 {KE_KEY, 0x82, { KEY_CAMERA } },
a935eaec
CC		 328 {KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
329 {KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
3da4cd20
AK		 330 {KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
331 {KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
332 {KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
333 {KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
334 {KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
335 {KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
336 {KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
337 {KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
66a71dd1
CC		 338 {KE_KEY, 0x95, { KEY_MEDIA } },
339 {KE_KEY, 0x99, { KEY_PHONE } },
3da4cd20
AK		 340 {KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
341 {KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
342 {KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
343 {KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
344 {KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
345 {KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
346 {KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
347 {KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
a935eaec
CC		 348 {KE_KEY, 0xB5, { KEY_CALC } },
349 {KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
350 {KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
034ce90a
CC		 351 {KE_END, 0},
352};
353
66a71dd1 354
85091b71
CC		 355/*
356 * This function evaluates an ACPI method, given an int as parameter, the
357 * method is searched within the scope of the handle, can be NULL. The output
358 * of the method is written is output, which can also be NULL
359 *
f8d1c94b 360 * returns 0 if write is successful, -1 else.
85091b71 361 */
d8c67323
CC		 362static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
363 struct acpi_buffer *output)
85091b71 364{
be966660
CC		 365 struct acpi_object_list params; /* list of input parameters (an int) */
366 union acpi_object in_obj; /* the only param we use */
85091b71
CC		 367 acpi_status status;
368
f8d1c94b 369 if (!handle)
9fb866f3 370 return -1;
f8d1c94b 371
85091b71
CC		 372 params.count = 1;
373 params.pointer = &in_obj;
374 in_obj.type = ACPI_TYPE_INTEGER;
375 in_obj.integer.value = val;
376
377 status = acpi_evaluate_object(handle, (char *)method, &params, output);
f8d1c94b
CC		 378 if (status == AE_OK)
379 return 0;
380 else
381 return -1;
85091b71
CC		 382}
383
d8c67323
CC		 384static int write_acpi_int(acpi_handle handle, const char *method, int val)
385{
386 return write_acpi_int_ret(handle, method, val, NULL);
387}
388
d99b577c
CC		 389static int acpi_check_handle(acpi_handle handle, const char *method,
390 acpi_handle *ret)
391{
392 acpi_status status;
393
394 if (method == NULL)
395 return -ENODEV;
396
397 if (ret)
398 status = acpi_get_handle(handle, (char *)method,
399 ret);
400 else {
401 acpi_handle dummy;
402
403 status = acpi_get_handle(handle, (char *)method,
404 &dummy);
405 }
406
407 if (status != AE_OK) {
408 if (ret)
5ad77dcf 409 pr_warn("Error finding %s\n", method);
d99b577c
CC		 410 return -ENODEV;
411 }
412 return 0;
413}
414
8819de7f
AR		 415static bool asus_check_pega_lucid(struct asus_laptop *asus)
416{
417 return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
418 !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
419 !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
420 !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
421}
422
33989ba6
AR		 423static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable)
424{
425 char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE;
426 return write_acpi_int(asus->handle, method, unit);
427}
428
b23910c2
AR		 429static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method)
430{
431 int i, delta;
432 unsigned long long val;
433 for (i = 0; i < PEGA_ACC_RETRIES; i++) {
434 acpi_evaluate_integer(asus->handle, method, NULL, &val);
435
436 /* The output is noisy. From reading the ASL
437 * dissassembly, timeout errors are returned with 1's
438 * in the high word, and the lack of locking around
439 * thei hi/lo byte reads means that a transition
440 * between (for example) -1 and 0 could be read as
441 * 0xff00 or 0x00ff. */
442 delta = abs(curr - (short)val);
443 if (delta < 128 && !(val & ~0xffff))
444 break;
445 }
446 return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);
447}
448
449static void pega_accel_poll(struct input_polled_dev *ipd)
450{
451 struct device *parent = ipd->input->dev.parent;
452 struct asus_laptop *asus = dev_get_drvdata(parent);
453
454 /* In some cases, the very first call to poll causes a
455 * recursive fault under the polldev worker. This is
456 * apparently related to very early userspace access to the
457 * device, and perhaps a firmware bug. Fake the first report. */
458 if (!asus->pega_acc_live) {
459 asus->pega_acc_live = true;
460 input_report_abs(ipd->input, ABS_X, 0);
461 input_report_abs(ipd->input, ABS_Y, 0);
462 input_report_abs(ipd->input, ABS_Z, 0);
463 input_sync(ipd->input);
464 return;
465 }
466
467 asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);
468 asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);
469 asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);
470
471 /* Note transform, convert to "right/up/out" in the native
472 * landscape orientation (i.e. the vector is the direction of
473 * "real up" in the device's cartiesian coordinates). */
474 input_report_abs(ipd->input, ABS_X, -asus->pega_acc_x);
475 input_report_abs(ipd->input, ABS_Y, -asus->pega_acc_y);
476 input_report_abs(ipd->input, ABS_Z, asus->pega_acc_z);
477 input_sync(ipd->input);
478}
479
480static void pega_accel_exit(struct asus_laptop *asus)
481{
482 if (asus->pega_accel_poll) {
483 input_unregister_polled_device(asus->pega_accel_poll);
484 input_free_polled_device(asus->pega_accel_poll);
485 }
486 asus->pega_accel_poll = NULL;
487}
488
489static int pega_accel_init(struct asus_laptop *asus)
490{
491 int err;
492 struct input_polled_dev *ipd;
493
494 if (!asus->is_pega_lucid)
495 return -ENODEV;
496
497 if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
498 acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
499 acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
500 return -ENODEV;
501
502 ipd = input_allocate_polled_device();
503 if (!ipd)
504 return -ENOMEM;
505
506 ipd->poll = pega_accel_poll;
507 ipd->poll_interval = 125;
508 ipd->poll_interval_min = 50;
509 ipd->poll_interval_max = 2000;
510
511 ipd->input->name = PEGA_ACCEL_DESC;
512 ipd->input->phys = PEGA_ACCEL_NAME "/input0";
513 ipd->input->dev.parent = &asus->platform_device->dev;
514 ipd->input->id.bustype = BUS_HOST;
515
516 set_bit(EV_ABS, ipd->input->evbit);
517 input_set_abs_params(ipd->input, ABS_X,
518 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
519 input_set_abs_params(ipd->input, ABS_Y,
520 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
521 input_set_abs_params(ipd->input, ABS_Z,
522 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
523
524 err = input_register_polled_device(ipd);
525 if (err)
526 goto exit;
527
528 asus->pega_accel_poll = ipd;
529 return 0;
530
531exit:
532 input_free_polled_device(ipd);
533 return err;
534}
535
17e78f62 536/* Generic LED function */
aee0afb8 537static int asus_led_set(struct asus_laptop *asus, const char *method,
17e78f62 538 int value)
be18cdab 539{
d99b577c 540 if (!strcmp(method, METHOD_MLED))
17e78f62 541 value = !value;
d99b577c 542 else if (!strcmp(method, METHOD_GLED))
17e78f62
CC		 543 value = !value + 1;
544 else
545 value = !!value;
be18cdab 546
e5593bf1 547 return write_acpi_int(asus->handle, method, value);
be18cdab
CC		 548}
549
be4ee82d
CC		 550/*
551 * LEDs
552 */
be18cdab 553/* /sys/class/led handlers */
aee0afb8
CC		 554static void asus_led_cdev_set(struct led_classdev *led_cdev,
555 enum led_brightness value)
556{
557 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
558 struct asus_laptop *asus = led->asus;
559
560 led->wk = !!value;
561 queue_work(asus->led_workqueue, &led->work);
562}
be18cdab 563
aee0afb8
CC		 564static void asus_led_cdev_update(struct work_struct *work)
565{
566 struct asus_led *led = container_of(work, struct asus_led, work);
567 struct asus_laptop *asus = led->asus;
568
569 asus_led_set(asus, led->method, led->wk);
570}
571
572static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev)
573{
574 return led_cdev->brightness;
575}
be18cdab 576
b7d3fbc2 577/*
be4ee82d 578 * Keyboard backlight (also a LED)
b7d3fbc2 579 */
d99b577c 580static int asus_kled_lvl(struct asus_laptop *asus)
b7d3fbc2
CC		 581{
582 unsigned long long kblv;
583 struct acpi_object_list params;
584 union acpi_object in_obj;
585 acpi_status rv;
586
587 params.count = 1;
588 params.pointer = &in_obj;
589 in_obj.type = ACPI_TYPE_INTEGER;
590 in_obj.integer.value = 2;
591
d99b577c
CC		 592 rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,
593 &params, &kblv);
b7d3fbc2 594 if (ACPI_FAILURE(rv)) {
5ad77dcf 595 pr_warn("Error reading kled level\n");
4d441513 596 return -ENODEV;
b7d3fbc2
CC		 597 }
598 return kblv;
599}
600
4d441513 601static int asus_kled_set(struct asus_laptop *asus, int kblv)
b7d3fbc2
CC		 602{
603 if (kblv > 0)
604 kblv = (1 << 7) | (kblv & 0x7F);
605 else
606 kblv = 0;
607
d99b577c 608 if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {
5ad77dcf 609 pr_warn("Keyboard LED display write failed\n");
b7d3fbc2
CC		 610 return -EINVAL;
611 }
612 return 0;
613}
614
aee0afb8
CC		 615static void asus_kled_cdev_set(struct led_classdev *led_cdev,
616 enum led_brightness value)
b7d3fbc2 617{
aee0afb8
CC		 618 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
619 struct asus_laptop *asus = led->asus;
9129d14d 620
060cbce6 621 led->wk = value;
aee0afb8 622 queue_work(asus->led_workqueue, &led->work);
b7d3fbc2
CC		 623}
624
aee0afb8 625static void asus_kled_cdev_update(struct work_struct *work)
b7d3fbc2 626{
aee0afb8
CC		 627 struct asus_led *led = container_of(work, struct asus_led, work);
628 struct asus_laptop *asus = led->asus;
9129d14d 629
aee0afb8 630 asus_kled_set(asus, led->wk);
b7d3fbc2
CC		 631}
632
aee0afb8 633static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
b7d3fbc2 634{
aee0afb8
CC		 635 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
636 struct asus_laptop *asus = led->asus;
d99b577c
CC		 637
638 return asus_kled_lvl(asus);
b7d3fbc2
CC		 639}
640
be4ee82d
CC		 641static void asus_led_exit(struct asus_laptop *asus)
642{
774b0678
CC		 643 if (!IS_ERR_OR_NULL(asus->wled.led.dev))
644 led_classdev_unregister(&asus->wled.led);
645 if (!IS_ERR_OR_NULL(asus->bled.led.dev))
646 led_classdev_unregister(&asus->bled.led);
8fcf71aa 647 if (!IS_ERR_OR_NULL(asus->mled.led.dev))
aee0afb8 648 led_classdev_unregister(&asus->mled.led);
8fcf71aa 649 if (!IS_ERR_OR_NULL(asus->tled.led.dev))
aee0afb8 650 led_classdev_unregister(&asus->tled.led);
8fcf71aa 651 if (!IS_ERR_OR_NULL(asus->pled.led.dev))
aee0afb8 652 led_classdev_unregister(&asus->pled.led);
8fcf71aa 653 if (!IS_ERR_OR_NULL(asus->rled.led.dev))
aee0afb8 654 led_classdev_unregister(&asus->rled.led);
8fcf71aa 655 if (!IS_ERR_OR_NULL(asus->gled.led.dev))
aee0afb8 656 led_classdev_unregister(&asus->gled.led);
8fcf71aa 657 if (!IS_ERR_OR_NULL(asus->kled.led.dev))
aee0afb8
CC		 658 led_classdev_unregister(&asus->kled.led);
659 if (asus->led_workqueue) {
660 destroy_workqueue(asus->led_workqueue);
661 asus->led_workqueue = NULL;
be4ee82d
CC		 662 }
663}
664
665/* Ugly macro, need to fix that later */
aee0afb8
CC		 666static int asus_led_register(struct asus_laptop *asus,
667 struct asus_led *led,
668 const char *name, const char *method)
669{
670 struct led_classdev *led_cdev = &led->led;
671
672 if (!method || acpi_check_handle(asus->handle, method, NULL))
060cbce6 673 return 0; /* Led not present */
aee0afb8
CC		 674
675 led->asus = asus;
676 led->method = method;
677
678 INIT_WORK(&led->work, asus_led_cdev_update);
679 led_cdev->name = name;
680 led_cdev->brightness_set = asus_led_cdev_set;
681 led_cdev->brightness_get = asus_led_cdev_get;
682 led_cdev->max_brightness = 1;
683 return led_classdev_register(&asus->platform_device->dev, led_cdev);
684}
be4ee82d
CC		 685
686static int asus_led_init(struct asus_laptop *asus)
687{
774b0678 688 int r = 0;
be4ee82d 689
8d38e42c
CC		 690 /*
691 * The Pegatron Lucid has no physical leds, but all methods are
692 * available in the DSDT...
693 */
694 if (asus->is_pega_lucid)
695 return 0;
696
be4ee82d
CC		 697 /*
698 * Functions that actually update the LED's are called from a
699 * workqueue. By doing this as separate work rather than when the LED
700 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
701 * potentially bad time, such as a timer interrupt.
702 */
aee0afb8
CC		 703 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
704 if (!asus->led_workqueue)
be4ee82d
CC		 705 return -ENOMEM;
706
774b0678
CC		 707 if (asus->wled_type == TYPE_LED)
708 r = asus_led_register(asus, &asus->wled, "asus::wlan",
709 METHOD_WLAN);
710 if (r)
711 goto error;
712 if (asus->bled_type == TYPE_LED)
713 r = asus_led_register(asus, &asus->bled, "asus::bluetooth",
714 METHOD_BLUETOOTH);
715 if (r)
716 goto error;
aee0afb8
CC		 717 r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
718 if (r)
719 goto error;
720 r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
721 if (r)
722 goto error;
723 r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
724 if (r)
725 goto error;
726 r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
727 if (r)
728 goto error;
729 r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
730 if (r)
731 goto error;
d99b577c 732 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
aee0afb8
CC		 733 !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
734 struct asus_led *led = &asus->kled;
735 struct led_classdev *cdev = &led->led;
736
737 led->asus = asus;
738
739 INIT_WORK(&led->work, asus_kled_cdev_update);
740 cdev->name = "asus::kbd_backlight";
741 cdev->brightness_set = asus_kled_cdev_set;
742 cdev->brightness_get = asus_kled_cdev_get;
743 cdev->max_brightness = 3;
744 r = led_classdev_register(&asus->platform_device->dev, cdev);
745 }
be4ee82d 746error:
aee0afb8 747 if (r)
be4ee82d 748 asus_led_exit(asus);
aee0afb8 749 return r;
be4ee82d
CC		 750}
751
752/*
753 * Backlight device
754 */
4d441513 755static int asus_read_brightness(struct backlight_device *bd)
6b7091e7 756{
d99b577c 757 struct asus_laptop *asus = bl_get_data(bd);
27663c58 758 unsigned long long value;
2ce6d993 759 acpi_status rv;
6b7091e7 760
d99b577c
CC		 761 rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,
762 NULL, &value);
198b618a 763 if (ACPI_FAILURE(rv)) {
5ad77dcf 764 pr_warn("Error reading brightness\n");
198b618a
GS		 765 return 0;
766 }
6b7091e7
CC		 767
768 return value;
769}
770
4d441513 771static int asus_set_brightness(struct backlight_device *bd, int value)
6b7091e7 772{
d99b577c
CC		 773 struct asus_laptop *asus = bl_get_data(bd);
774
775 if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {
5ad77dcf 776 pr_warn("Error changing brightness\n");
e5b50f6a 777 return -EIO;
6b7091e7 778 }
e5b50f6a 779 return 0;
6b7091e7
CC		 780}
781
782static int update_bl_status(struct backlight_device *bd)
783{
599a52d1 784 int value = bd->props.brightness;
6b7091e7 785
3b81cf9d 786 return asus_set_brightness(bd, value);
6b7091e7
CC		 787}
788
acc2472e 789static const struct backlight_ops asusbl_ops = {
4d441513 790 .get_brightness = asus_read_brightness,
be4ee82d
CC		 791 .update_status = update_bl_status,
792};
793
a539df5e
CC		 794static int asus_backlight_notify(struct asus_laptop *asus)
795{
796 struct backlight_device *bd = asus->backlight_device;
797 int old = bd->props.brightness;
798
799 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
800
801 return old;
802}
803
be4ee82d
CC		 804static int asus_backlight_init(struct asus_laptop *asus)
805{
806 struct backlight_device *bd;
a19a6ee6 807 struct backlight_properties props;
be4ee82d 808
71e687dc 809 if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
3b81cf9d 810 acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
71e687dc 811 return 0;
be4ee82d 812
71e687dc
CC		 813 memset(&props, 0, sizeof(struct backlight_properties));
814 props.max_brightness = 15;
bb7ca747 815 props.type = BACKLIGHT_PLATFORM;
be4ee82d 816
71e687dc
CC		 817 bd = backlight_device_register(ASUS_LAPTOP_FILE,
818 &asus->platform_device->dev, asus,
819 &asusbl_ops, &props);
820 if (IS_ERR(bd)) {
821 pr_err("Could not register asus backlight device\n");
822 asus->backlight_device = NULL;
823 return PTR_ERR(bd);
be4ee82d 824 }
71e687dc
CC		 825
826 asus->backlight_device = bd;
827 bd->props.brightness = asus_read_brightness(bd);
828 bd->props.power = FB_BLANK_UNBLANK;
829 backlight_update_status(bd);
be4ee82d
CC		 830 return 0;
831}
832
833static void asus_backlight_exit(struct asus_laptop *asus)
834{
00981810 835 backlight_device_unregister(asus->backlight_device);
a539df5e 836 asus->backlight_device = NULL;
be4ee82d
CC		 837}
838
85091b71
CC		 839/*
840 * Platform device handlers
841 */
842
843/*
844 * We write our info in page, we begin at offset off and cannot write more
845 * than count bytes. We set eof to 1 if we handle those 2 values. We return the
846 * number of bytes written in page
847 */
ed52ccbc
VD		 848static ssize_t infos_show(struct device *dev, struct device_attribute *attr,
849 char *page)
85091b71 850{
9129d14d 851 struct asus_laptop *asus = dev_get_drvdata(dev);
85091b71 852 int len = 0;
27663c58 853 unsigned long long temp;
be966660 854 char buf[16]; /* enough for all info */
2ce6d993 855 acpi_status rv;
9a816850 856
85091b71 857 /*
060cbce6
CC		 858 * We use the easy way, we don't care of off and count,
859 * so we don't set eof to 1
85091b71
CC		 860 */
861
50a90c4d
CC		 862 len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
863 len += sprintf(page + len, "Model reference : %s\n", asus->name);
85091b71
CC		 864 /*
865 * The SFUN method probably allows the original driver to get the list
866 * of features supported by a given model. For now, 0x0100 or 0x0800
867 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
868 * The significance of others is yet to be found.
869 */
50a90c4d 870 rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
9a816850 871 if (!ACPI_FAILURE(rv))
1d4a3800
CC		 872 len += sprintf(page + len, "SFUN value : %#x\n",
873 (uint) temp);
874 /*
875 * The HWRS method return informations about the hardware.
876 * 0x80 bit is for WLAN, 0x100 for Bluetooth.
cb7da022 877 * 0x40 for WWAN, 0x10 for WIMAX.
1d4a3800 878 * The significance of others is yet to be found.
cb7da022
BH		 879 * We don't currently use this for device detection, and it
880 * takes several seconds to run on some systems.
1d4a3800 881 */
8871e99f 882 rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
1d4a3800 883 if (!ACPI_FAILURE(rv))
8871e99f 884 len += sprintf(page + len, "HWRS value : %#x\n",
9a816850 885 (uint) temp);
85091b71
CC		 886 /*
887 * Another value for userspace: the ASYM method returns 0x02 for
888 * battery low and 0x04 for battery critical, its readings tend to be
889 * more accurate than those provided by _BST.
890 * Note: since not all the laptops provide this method, errors are
891 * silently ignored.
892 */
50a90c4d 893 rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
9a816850 894 if (!ACPI_FAILURE(rv))
1d4a3800 895 len += sprintf(page + len, "ASYM value : %#x\n",
9a816850 896 (uint) temp);
7c247645
CC		 897 if (asus->dsdt_info) {
898 snprintf(buf, 16, "%d", asus->dsdt_info->length);
85091b71 899 len += sprintf(page + len, "DSDT length : %s\n", buf);
7c247645 900 snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
85091b71 901 len += sprintf(page + len, "DSDT checksum : %s\n", buf);
7c247645 902 snprintf(buf, 16, "%d", asus->dsdt_info->revision);
85091b71 903 len += sprintf(page + len, "DSDT revision : %s\n", buf);
7c247645 904 snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
85091b71 905 len += sprintf(page + len, "OEM id : %s\n", buf);
7c247645 906 snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
85091b71 907 len += sprintf(page + len, "OEM table id : %s\n", buf);
7c247645 908 snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
85091b71 909 len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
7c247645 910 snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
85091b71 911 len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
7c247645 912 snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
85091b71
CC		 913 len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
914 }
915
916 return len;
917}
ed52ccbc 918static DEVICE_ATTR_RO(infos);
85091b71 919
17e78f62
CC		 920static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
921 const char *buf, size_t count,
d99b577c 922 const char *method)
4564de17
CC		 923{
924 int rv, value;
4564de17 925
6f7e357b
GS		 926 rv = kstrtoint(buf, 0, &value);
927 if (rv < 0)
19d46ee1 928 return rv;
4564de17 929
d99b577c 930 if (write_acpi_int(asus->handle, method, value))
17e78f62 931 return -ENODEV;
6f7e357b 932 return count;
4564de17
CC		 933}
934
722ad971
CC		 935/*
936 * LEDD display
937 */
ed52ccbc
VD		 938static ssize_t ledd_show(struct device *dev, struct device_attribute *attr,
939 char *buf)
722ad971 940{
9129d14d
CC		 941 struct asus_laptop *asus = dev_get_drvdata(dev);
942
50a90c4d 943 return sprintf(buf, "0x%08x\n", asus->ledd_status);
722ad971
CC		 944}
945
ed52ccbc 946static ssize_t ledd_store(struct device *dev, struct device_attribute *attr,
722ad971
CC		 947 const char *buf, size_t count)
948{
9129d14d 949 struct asus_laptop *asus = dev_get_drvdata(dev);
722ad971
CC		 950 int rv, value;
951
6f7e357b
GS		 952 rv = kstrtoint(buf, 0, &value);
953 if (rv < 0)
954 return rv;
955
956 if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {
957 pr_warn("LED display write failed\n");
958 return -ENODEV;
722ad971 959 }
6f7e357b
GS		 960
961 asus->ledd_status = (u32) value;
962 return count;
722ad971 963}
ed52ccbc 964static DEVICE_ATTR_RW(ledd);
722ad971 965
aa9df930
CC		 966/*
967 * Wireless
968 */
969static int asus_wireless_status(struct asus_laptop *asus, int mask)
970{
971 unsigned long long status;
972 acpi_status rv = AE_OK;
973
974 if (!asus->have_rsts)
975 return (asus->wireless_status & mask) ? 1 : 0;
976
d99b577c
CC		 977 rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,
978 NULL, &status);
aa9df930 979 if (ACPI_FAILURE(rv)) {
5ad77dcf 980 pr_warn("Error reading Wireless status\n");
aa9df930
CC		 981 return -EINVAL;
982 }
983 return !!(status & mask);
984}
985
4564de17
CC		 986/*
987 * WLAN
988 */
e5593bf1
CC		 989static int asus_wlan_set(struct asus_laptop *asus, int status)
990{
991 if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {
5ad77dcf 992 pr_warn("Error setting wlan status to %d\n", status);
e5593bf1
CC		 993 return -EIO;
994 }
995 return 0;
996}
997
ed52ccbc
VD		 998static ssize_t wlan_show(struct device *dev, struct device_attribute *attr,
999 char *buf)
4564de17 1000{
9129d14d
CC		 1001 struct asus_laptop *asus = dev_get_drvdata(dev);
1002
17e78f62 1003 return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
4564de17
CC		 1004}
1005
ed52ccbc 1006static ssize_t wlan_store(struct device *dev, struct device_attribute *attr,
4564de17
CC		 1007 const char *buf, size_t count)
1008{
9129d14d
CC		 1009 struct asus_laptop *asus = dev_get_drvdata(dev);
1010
d99b577c 1011 return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
4564de17 1012}
ed52ccbc 1013static DEVICE_ATTR_RW(wlan);
4564de17 1014
774b0678 1015/*e
4564de17
CC		 1016 * Bluetooth
1017 */
e5593bf1
CC		 1018static int asus_bluetooth_set(struct asus_laptop *asus, int status)
1019{
1020 if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {
5ad77dcf 1021 pr_warn("Error setting bluetooth status to %d\n", status);
e5593bf1
CC		 1022 return -EIO;
1023 }
1024 return 0;
1025}
1026
ed52ccbc
VD		 1027static ssize_t bluetooth_show(struct device *dev, struct device_attribute *attr,
1028 char *buf)
4564de17 1029{
9129d14d
CC		 1030 struct asus_laptop *asus = dev_get_drvdata(dev);
1031
17e78f62 1032 return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
4564de17
CC		 1033}
1034
ed52ccbc 1035static ssize_t bluetooth_store(struct device *dev,
8def05fa
LB		 1036 struct device_attribute *attr, const char *buf,
1037 size_t count)
4564de17 1038{
9129d14d
CC		 1039 struct asus_laptop *asus = dev_get_drvdata(dev);
1040
d99b577c 1041 return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH);
4564de17 1042}
ed52ccbc 1043static DEVICE_ATTR_RW(bluetooth);
4564de17 1044
ba1ff5be
CC		 1045/*
1046 * Wimax
1047 */
1048static int asus_wimax_set(struct asus_laptop *asus, int status)
1049{
1050 if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
5ad77dcf 1051 pr_warn("Error setting wimax status to %d\n", status);
ba1ff5be
CC		 1052 return -EIO;
1053 }
1054 return 0;
1055}
1056
ed52ccbc
VD		 1057static ssize_t wimax_show(struct device *dev, struct device_attribute *attr,
1058 char *buf)
ba1ff5be
CC		 1059{
1060 struct asus_laptop *asus = dev_get_drvdata(dev);
1061
1062 return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
1063}
1064
ed52ccbc
VD		 1065static ssize_t wimax_store(struct device *dev, struct device_attribute *attr,
1066 const char *buf, size_t count)
ba1ff5be
CC		 1067{
1068 struct asus_laptop *asus = dev_get_drvdata(dev);
1069
1070 return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
1071}
ed52ccbc 1072static DEVICE_ATTR_RW(wimax);
ba1ff5be
CC		 1073
1074/*
1075 * Wwan
1076 */
1077static int asus_wwan_set(struct asus_laptop *asus, int status)
1078{
1079 if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
5ad77dcf 1080 pr_warn("Error setting wwan status to %d\n", status);
ba1ff5be
CC		 1081 return -EIO;
1082 }
1083 return 0;
1084}
1085
ed52ccbc
VD		 1086static ssize_t wwan_show(struct device *dev, struct device_attribute *attr,
1087 char *buf)
ba1ff5be
CC		 1088{
1089 struct asus_laptop *asus = dev_get_drvdata(dev);
1090
1091 return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
1092}
1093
ed52ccbc
VD		 1094static ssize_t wwan_store(struct device *dev, struct device_attribute *attr,
1095 const char *buf, size_t count)
ba1ff5be
CC		 1096{
1097 struct asus_laptop *asus = dev_get_drvdata(dev);
1098
1099 return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
1100}
ed52ccbc 1101static DEVICE_ATTR_RW(wwan);
ba1ff5be 1102
78127b4a
CC		 1103/*
1104 * Display
1105 */
4d441513 1106static void asus_set_display(struct asus_laptop *asus, int value)
78127b4a
CC		 1107{
1108 /* no sanity check needed for now */
d99b577c 1109 if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))
5ad77dcf 1110 pr_warn("Error setting display\n");
78127b4a
CC		 1111 return;
1112}
1113
78127b4a
CC		 1114/*
1115 * Experimental support for display switching. As of now: 1 should activate
1116 * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
1117 * Any combination (bitwise) of these will suffice. I never actually tested 4
1118 * displays hooked up simultaneously, so be warned. See the acpi4asus README
1119 * for more info.
1120 */
ed52ccbc
VD		 1121static ssize_t display_store(struct device *dev, struct device_attribute *attr,
1122 const char *buf, size_t count)
78127b4a 1123{
9129d14d 1124 struct asus_laptop *asus = dev_get_drvdata(dev);
78127b4a
CC		 1125 int rv, value;
1126
6f7e357b
GS		 1127 rv = kstrtoint(buf, 0, &value);
1128 if (rv < 0)
1129 return rv;
1130
1131 asus_set_display(asus, value);
1132 return count;
78127b4a 1133}
ed52ccbc 1134static DEVICE_ATTR_WO(display);
78127b4a 1135
8b857353
CC		 1136/*
1137 * Light Sens
1138 */
4d441513 1139static void asus_als_switch(struct asus_laptop *asus, int value)
8b857353 1140{
33989ba6
AR		 1141 int ret;
1142
1143 if (asus->is_pega_lucid) {
1144 ret = asus_pega_lucid_set(asus, PEGA_ALS, value);
1145 if (!ret)
1146 ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, value);
1147 } else {
1148 ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
1149 }
1150 if (ret)
1151 pr_warning("Error setting light sensor switch\n");
1152
50a90c4d 1153 asus->light_switch = value;
8b857353
CC		 1154}
1155
ed52ccbc
VD		 1156static ssize_t ls_switch_show(struct device *dev, struct device_attribute *attr,
1157 char *buf)
8b857353 1158{
9129d14d
CC		 1159 struct asus_laptop *asus = dev_get_drvdata(dev);
1160
50a90c4d 1161 return sprintf(buf, "%d\n", asus->light_switch);
8b857353
CC		 1162}
1163
ed52ccbc
VD		 1164static ssize_t ls_switch_store(struct device *dev,
1165 struct device_attribute *attr, const char *buf,
1166 size_t count)
8b857353 1167{
9129d14d 1168 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1169 int rv, value;
1170
6f7e357b
GS		 1171 rv = kstrtoint(buf, 0, &value);
1172 if (rv < 0)
1173 return rv;
8b857353 1174
6f7e357b
GS		 1175 asus_als_switch(asus, value ? 1 : 0);
1176 return count;
8b857353 1177}
ed52ccbc 1178static DEVICE_ATTR_RW(ls_switch);
8b857353 1179
4d441513 1180static void asus_als_level(struct asus_laptop *asus, int value)
8b857353 1181{
d99b577c 1182 if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))
5ad77dcf 1183 pr_warn("Error setting light sensor level\n");
50a90c4d 1184 asus->light_level = value;
8b857353
CC		 1185}
1186
ed52ccbc
VD		 1187static ssize_t ls_level_show(struct device *dev, struct device_attribute *attr,
1188 char *buf)
8b857353 1189{
9129d14d
CC		 1190 struct asus_laptop *asus = dev_get_drvdata(dev);
1191
50a90c4d 1192 return sprintf(buf, "%d\n", asus->light_level);
8b857353
CC		 1193}
1194
ed52ccbc
VD		 1195static ssize_t ls_level_store(struct device *dev, struct device_attribute *attr,
1196 const char *buf, size_t count)
8b857353 1197{
9129d14d 1198 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1199 int rv, value;
1200
6f7e357b
GS		 1201 rv = kstrtoint(buf, 0, &value);
1202 if (rv < 0)
1203 return rv;
1204
1205 value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
1206 /* 0 <= value <= 15 */
1207 asus_als_level(asus, value);
8b857353 1208
6f7e357b 1209 return count;
8b857353 1210}
ed52ccbc 1211static DEVICE_ATTR_RW(ls_level);
8b857353 1212
33989ba6
AR		 1213static int pega_int_read(struct asus_laptop *asus, int arg, int *result)
1214{
1215 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1216 int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,
1217 &buffer);
1218 if (!err) {
1219 union acpi_object *obj = buffer.pointer;
1220 if (obj && obj->type == ACPI_TYPE_INTEGER)
1221 *result = obj->integer.value;
1222 else
1223 err = -EIO;
1224 }
1225 return err;
1226}
1227
ed52ccbc
VD		 1228static ssize_t ls_value_show(struct device *dev, struct device_attribute *attr,
1229 char *buf)
33989ba6
AR		 1230{
1231 struct asus_laptop *asus = dev_get_drvdata(dev);
1232 int err, hi, lo;
1233
1234 err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);
1235 if (!err)
1236 err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
1237 if (!err)
1238 return sprintf(buf, "%d\n", 10 * hi + lo);
1239 return err;
1240}
ed52ccbc 1241static DEVICE_ATTR_RO(ls_value);
33989ba6 1242
e539c2f6
CC		 1243/*
1244 * GPS
1245 */
6358bf2c
CC		 1246static int asus_gps_status(struct asus_laptop *asus)
1247{
1248 unsigned long long status;
2ce6d993 1249 acpi_status rv;
6358bf2c 1250
d99b577c
CC		 1251 rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,
1252 NULL, &status);
6358bf2c 1253 if (ACPI_FAILURE(rv)) {
5ad77dcf 1254 pr_warn("Error reading GPS status\n");
6358bf2c
CC		 1255 return -ENODEV;
1256 }
1257 return !!status;
1258}
1259
1260static int asus_gps_switch(struct asus_laptop *asus, int status)
1261{
d99b577c 1262 const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF;
6358bf2c 1263
d99b577c 1264 if (write_acpi_int(asus->handle, meth, 0x02))
6358bf2c
CC		 1265 return -ENODEV;
1266 return 0;
1267}
1268
ed52ccbc
VD		 1269static ssize_t gps_show(struct device *dev, struct device_attribute *attr,
1270 char *buf)
e539c2f6 1271{
9129d14d
CC		 1272 struct asus_laptop *asus = dev_get_drvdata(dev);
1273
6358bf2c 1274 return sprintf(buf, "%d\n", asus_gps_status(asus));
e539c2f6
CC		 1275}
1276
ed52ccbc 1277static ssize_t gps_store(struct device *dev, struct device_attribute *attr,
e539c2f6
CC		 1278 const char *buf, size_t count)
1279{
060cbce6 1280 struct asus_laptop *asus = dev_get_drvdata(dev);
6358bf2c
CC		 1281 int rv, value;
1282 int ret;
9129d14d 1283
6f7e357b
GS		 1284 rv = kstrtoint(buf, 0, &value);
1285 if (rv < 0)
1286 return rv;
6358bf2c
CC		 1287 ret = asus_gps_switch(asus, !!value);
1288 if (ret)
1289 return ret;
40969c7d 1290 rfkill_set_sw_state(asus->gps.rfkill, !value);
6f7e357b 1291 return count;
e539c2f6 1292}
ed52ccbc 1293static DEVICE_ATTR_RW(gps);
e539c2f6 1294
18e1311e
CC		 1295/*
1296 * rfkill
1297 */
1298static int asus_gps_rfkill_set(void *data, bool blocked)
1299{
23f45c3a 1300 struct asus_laptop *asus = data;
18e1311e 1301
23f45c3a 1302 return asus_gps_switch(asus, !blocked);
18e1311e
CC		 1303}
1304
1305static const struct rfkill_ops asus_gps_rfkill_ops = {
1306 .set_block = asus_gps_rfkill_set,
1307};
1308
774b0678
CC		 1309static int asus_rfkill_set(void *data, bool blocked)
1310{
1311 struct asus_rfkill *rfk = data;
1312 struct asus_laptop *asus = rfk->asus;
1313
1314 if (rfk->control_id == WL_RSTS)
1315 return asus_wlan_set(asus, !blocked);
1316 else if (rfk->control_id == BT_RSTS)
1317 return asus_bluetooth_set(asus, !blocked);
3c8671ff
CC		 1318 else if (rfk->control_id == WM_RSTS)
1319 return asus_wimax_set(asus, !blocked);
1320 else if (rfk->control_id == WW_RSTS)
1321 return asus_wwan_set(asus, !blocked);
774b0678
CC		 1322
1323 return -EINVAL;
1324}
1325
1326static const struct rfkill_ops asus_rfkill_ops = {
1327 .set_block = asus_rfkill_set,
1328};
1329
40969c7d
CC		 1330static void asus_rfkill_terminate(struct asus_rfkill *rfk)
1331{
1332 if (!rfk->rfkill)
1333 return ;
1334
1335 rfkill_unregister(rfk->rfkill);
1336 rfkill_destroy(rfk->rfkill);
1337 rfk->rfkill = NULL;
1338}
1339
18e1311e
CC		 1340static void asus_rfkill_exit(struct asus_laptop *asus)
1341{
40969c7d
CC		 1342 asus_rfkill_terminate(&asus->wwan);
1343 asus_rfkill_terminate(&asus->bluetooth);
1344 asus_rfkill_terminate(&asus->wlan);
1345 asus_rfkill_terminate(&asus->gps);
18e1311e
CC		 1346}
1347
774b0678
CC		 1348static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1349 const char *name, int control_id, int type,
1350 const struct rfkill_ops *ops)
18e1311e
CC		 1351{
1352 int result;
1353
774b0678
CC		 1354 rfk->control_id = control_id;
1355 rfk->asus = asus;
1356 rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
1357 type, ops, rfk);
1358 if (!rfk->rfkill)
18e1311e
CC		 1359 return -EINVAL;
1360
774b0678 1361 result = rfkill_register(rfk->rfkill);
18e1311e 1362 if (result) {
774b0678
CC		 1363 rfkill_destroy(rfk->rfkill);
1364 rfk->rfkill = NULL;
18e1311e
CC		 1365 }
1366
1367 return result;
1368}
1369
774b0678
CC		 1370static int asus_rfkill_init(struct asus_laptop *asus)
1371{
1372 int result = 0;
1373
3c8671ff
CC		 1374 if (asus->is_pega_lucid)
1375 return -ENODEV;
1376
774b0678
CC		 1377 if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
1378 !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
1379 !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
1380 result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
1381 -1, RFKILL_TYPE_GPS,
1382 &asus_gps_rfkill_ops);
1383 if (result)
1384 goto exit;
1385
1386
26594dd4
CC		 1387 if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
1388 asus->wled_type == TYPE_RFKILL)
774b0678
CC		 1389 result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
1390 WL_RSTS, RFKILL_TYPE_WLAN,
1391 &asus_rfkill_ops);
1392 if (result)
1393 goto exit;
1394
26594dd4
CC		 1395 if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
1396 asus->bled_type == TYPE_RFKILL)
774b0678
CC		 1397 result = asus_rfkill_setup(asus, &asus->bluetooth,
1398 "asus-bluetooth", BT_RSTS,
1399 RFKILL_TYPE_BLUETOOTH,
1400 &asus_rfkill_ops);
1401 if (result)
1402 goto exit;
1403
3c8671ff
CC		 1404 if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
1405 result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
1406 WW_RSTS, RFKILL_TYPE_WWAN,
1407 &asus_rfkill_ops);
1408 if (result)
1409 goto exit;
1410
1411 if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
1412 result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
1413 WM_RSTS, RFKILL_TYPE_WIMAX,
1414 &asus_rfkill_ops);
1415 if (result)
1416 goto exit;
1417
774b0678
CC		 1418exit:
1419 if (result)
1420 asus_rfkill_exit(asus);
1421
1422 return result;
1423}
1424
14908399
AA		 1425static int pega_rfkill_set(void *data, bool blocked)
1426{
40969c7d 1427 struct asus_rfkill *rfk = data;
14908399 1428
40969c7d 1429 int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);
14908399
AA		 1430 return ret;
1431}
1432
1433static const struct rfkill_ops pega_rfkill_ops = {
1434 .set_block = pega_rfkill_set,
1435};
1436
40969c7d
CC		 1437static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1438 const char *name, int controlid, int rfkill_type)
14908399 1439{
774b0678
CC		 1440 return asus_rfkill_setup(asus, rfk, name, controlid, rfkill_type,
1441 &pega_rfkill_ops);
14908399
AA		 1442}
1443
1444static int pega_rfkill_init(struct asus_laptop *asus)
1445{
1446 int ret = 0;
1447
1448 if(!asus->is_pega_lucid)
1449 return -ENODEV;
1450
40969c7d
CC		 1451 ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",
1452 PEGA_WLAN, RFKILL_TYPE_WLAN);
14908399 1453 if(ret)
40969c7d
CC		 1454 goto exit;
1455
1456 ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",
1457 PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
14908399 1458 if(ret)
40969c7d 1459 goto exit;
14908399 1460
40969c7d
CC		 1461 ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",
1462 PEGA_WWAN, RFKILL_TYPE_WWAN);
1463
1464exit:
1465 if (ret)
1466 asus_rfkill_exit(asus);
14908399
AA		 1467
1468 return ret;
1469}
1470
034ce90a 1471/*
be4ee82d 1472 * Input device (i.e. hotkeys)
034ce90a 1473 */
be4ee82d
CC		 1474static void asus_input_notify(struct asus_laptop *asus, int event)
1475{
e0ac9133
CC		 1476 if (!asus->inputdev)
1477 return ;
1478 if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
1479 pr_info("Unknown key %x pressed\n", event);
be4ee82d
CC		 1480}
1481
1482static int asus_input_init(struct asus_laptop *asus)
1483{
66a71dd1
CC		 1484 struct input_dev *input;
1485 int error;
be4ee82d 1486
66a71dd1 1487 input = input_allocate_device();
b222cca6 1488 if (!input)
45036ae1 1489 return -ENOMEM;
b222cca6 1490
66a71dd1
CC		 1491 input->name = "Asus Laptop extra buttons";
1492 input->phys = ASUS_LAPTOP_FILE "/input0";
1493 input->id.bustype = BUS_HOST;
1494 input->dev.parent = &asus->platform_device->dev;
66a71dd1
CC		 1495
1496 error = sparse_keymap_setup(input, asus_keymap, NULL);
1497 if (error) {
1498 pr_err("Unable to setup input device keymap\n");
45036ae1 1499 goto err_free_dev;
be4ee82d 1500 }
66a71dd1
CC		 1501 error = input_register_device(input);
1502 if (error) {
40969c7d 1503 pr_warn("Unable to register input device\n");
f118b312 1504 goto err_free_dev;
be4ee82d 1505 }
66a71dd1
CC		 1506
1507 asus->inputdev = input;
1508 return 0;
1509
45036ae1 1510err_free_dev:
66a71dd1
CC		 1511 input_free_device(input);
1512 return error;
be4ee82d
CC		 1513}
1514
1515static void asus_input_exit(struct asus_laptop *asus)
1516{
f118b312 1517 if (asus->inputdev)
be4ee82d 1518 input_unregister_device(asus->inputdev);
71e687dc 1519 asus->inputdev = NULL;
be4ee82d
CC		 1520}
1521
1522/*
1523 * ACPI driver
1524 */
600ad520 1525static void asus_acpi_notify(struct acpi_device *device, u32 event)
85091b71 1526{
9129d14d 1527 struct asus_laptop *asus = acpi_driver_data(device);
6050c8dd 1528 u16 count;
034ce90a 1529
619d8b11 1530 /* TODO Find a better way to handle events count. */
50a90c4d 1531 count = asus->event_count[event % 128]++;
50a90c4d
CC		 1532 acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
1533 dev_name(&asus->device->dev), event,
6050c8dd 1534 count);
85091b71 1535
2740e1bd
CC		 1536 if (event >= ATKD_BRNUP_MIN && event <= ATKD_BRNUP_MAX)
1537 event = ATKD_BRNUP;
1538 else if (event >= ATKD_BRNDOWN_MIN &&
1539 event <= ATKD_BRNDOWN_MAX)
1540 event = ATKD_BRNDOWN;
a539df5e 1541
2740e1bd
CC		 1542 /* Brightness events are special */
1543 if (event == ATKD_BRNDOWN || event == ATKD_BRNUP) {
a539df5e
CC		 1544 if (asus->backlight_device != NULL) {
1545 /* Update the backlight device. */
1546 asus_backlight_notify(asus);
2740e1bd 1547 return ;
a539df5e 1548 }
a539df5e 1549 }
b93f8281
AA		 1550
1551 /* Accelerometer "coarse orientation change" event */
1552 if (asus->pega_accel_poll && event == 0xEA) {
1553 kobject_uevent(&asus->pega_accel_poll->input->dev.kobj,
1554 KOBJ_CHANGE);
1555 return ;
1556 }
1557
be4ee82d 1558 asus_input_notify(asus, event);
85091b71
CC		 1559}
1560
ac9b1e5b
DT		 1561static struct attribute *asus_attributes[] = {
1562 &dev_attr_infos.attr,
1563 &dev_attr_wlan.attr,
1564 &dev_attr_bluetooth.attr,
ba1ff5be
CC		 1565 &dev_attr_wimax.attr,
1566 &dev_attr_wwan.attr,
ac9b1e5b
DT		 1567 &dev_attr_display.attr,
1568 &dev_attr_ledd.attr,
33989ba6 1569 &dev_attr_ls_value.attr,
ac9b1e5b
DT		 1570 &dev_attr_ls_level.attr,
1571 &dev_attr_ls_switch.attr,
1572 &dev_attr_gps.attr,
1573 NULL
1574};
2a1fd64c 1575
587a1f16 1576static umode_t asus_sysfs_is_visible(struct kobject *kobj,
ac9b1e5b
DT		 1577 struct attribute *attr,
1578 int idx)
2a1fd64c 1579{
ac9b1e5b 1580 struct device *dev = container_of(kobj, struct device, kobj);
d605ca29 1581 struct asus_laptop *asus = dev_get_drvdata(dev);
ac9b1e5b
DT		 1582 acpi_handle handle = asus->handle;
1583 bool supported;
1584
33989ba6
AR		 1585 if (asus->is_pega_lucid) {
1586 /* no ls_level interface on the Lucid */
1587 if (attr == &dev_attr_ls_switch.attr)
1588 supported = true;
1589 else if (attr == &dev_attr_ls_level.attr)
1590 supported = false;
1591 else
1592 goto normal;
1593
03070e7c 1594 return supported ? attr->mode : 0;
33989ba6
AR		 1595 }
1596
1597normal:
ac9b1e5b
DT		 1598 if (attr == &dev_attr_wlan.attr) {
1599 supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
1600
1601 } else if (attr == &dev_attr_bluetooth.attr) {
1602 supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
1603
1604 } else if (attr == &dev_attr_display.attr) {
1605 supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
1606
ba1ff5be
CC		 1607 } else if (attr == &dev_attr_wimax.attr) {
1608 supported =
1609 !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
1610
1611 } else if (attr == &dev_attr_wwan.attr) {
1612 supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
1613
ac9b1e5b
DT		 1614 } else if (attr == &dev_attr_ledd.attr) {
1615 supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
1616
1617 } else if (attr == &dev_attr_ls_switch.attr ||
1618 attr == &dev_attr_ls_level.attr) {
1619 supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
33989ba6
AR		 1620 !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
1621 } else if (attr == &dev_attr_ls_value.attr) {
1622 supported = asus->is_pega_lucid;
ac9b1e5b
DT		 1623 } else if (attr == &dev_attr_gps.attr) {
1624 supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
1625 !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
1626 !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
1627 } else {
1628 supported = true;
2a1fd64c
CC		 1629 }
1630
ac9b1e5b
DT		 1631 return supported ? attr->mode : 0;
1632}
2a1fd64c 1633
2a1fd64c 1634
ac9b1e5b
DT		 1635static const struct attribute_group asus_attr_group = {
1636 .is_visible = asus_sysfs_is_visible,
1637 .attrs = asus_attributes,
1638};
85091b71 1639
9129d14d 1640static int asus_platform_init(struct asus_laptop *asus)
600ad520 1641{
71e687dc 1642 int result;
600ad520 1643
50a90c4d
CC		 1644 asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1);
1645 if (!asus->platform_device)
600ad520 1646 return -ENOMEM;
9129d14d 1647 platform_set_drvdata(asus->platform_device, asus);
600ad520 1648
71e687dc
CC		 1649 result = platform_device_add(asus->platform_device);
1650 if (result)
600ad520
CC		 1651 goto fail_platform_device;
1652
ac9b1e5b
DT		 1653 result = sysfs_create_group(&asus->platform_device->dev.kobj,
1654 &asus_attr_group);
71e687dc 1655 if (result)
600ad520 1656 goto fail_sysfs;
ac9b1e5b 1657
600ad520
CC		 1658 return 0;
1659
1660fail_sysfs:
50a90c4d 1661 platform_device_del(asus->platform_device);
600ad520 1662fail_platform_device:
50a90c4d 1663 platform_device_put(asus->platform_device);
71e687dc 1664 return result;
600ad520
CC		 1665}
1666
9129d14d 1667static void asus_platform_exit(struct asus_laptop *asus)
600ad520 1668{
ac9b1e5b 1669 sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);
50a90c4d 1670 platform_device_unregister(asus->platform_device);
600ad520
CC		 1671}
1672
1673static struct platform_driver platform_driver = {
8def05fa 1674 .driver = {
9129d14d 1675 .name = ASUS_LAPTOP_FILE,
b23910c2 1676 },
85091b71
CC		 1677};
1678
85091b71 1679/*
50a90c4d
CC		 1680 * This function is used to initialize the context with right values. In this
1681 * method, we can make all the detection we want, and modify the asus_laptop
1682 * struct
85091b71 1683 */
7c247645 1684static int asus_laptop_get_info(struct asus_laptop *asus)
85091b71
CC		 1685{
1686 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
85091b71 1687 union acpi_object *model = NULL;
cb7da022 1688 unsigned long long bsts_result;
85091b71
CC		 1689 char *string = NULL;
1690 acpi_status status;
1691
1692 /*
1693 * Get DSDT headers early enough to allow for differentiating between
1694 * models, but late enough to allow acpi_bus_register_driver() to fail
1695 * before doing anything ACPI-specific. Should we encounter a machine,
1696 * which needs special handling (i.e. its hotkey device has a different
7c247645 1697 * HID), this bit will be moved.
85091b71 1698 */
7c247645 1699 status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
85091b71 1700 if (ACPI_FAILURE(status))
5ad77dcf 1701 pr_warn("Couldn't get the DSDT table header\n");
85091b71
CC		 1702
1703 /* We have to write 0 on init this far for all ASUS models */
50a90c4d 1704 if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
2fcc23da 1705 pr_err("Hotkey initialization failed\n");
85091b71
CC		 1706 return -ENODEV;
1707 }
1708
1709 /* This needs to be called for some laptops to init properly */
9a816850 1710 status =
50a90c4d 1711 acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
9a816850 1712 if (ACPI_FAILURE(status))
5ad77dcf 1713 pr_warn("Error calling BSTS\n");
85091b71 1714 else if (bsts_result)
2fcc23da 1715 pr_notice("BSTS called, 0x%02x returned\n",
9a816850 1716 (uint) bsts_result);
85091b71 1717
185e5af9 1718 /* This too ... */
e5593bf1
CC		 1719 if (write_acpi_int(asus->handle, "CWAP", wapf))
1720 pr_err("Error calling CWAP(%d)\n", wapf);
85091b71
CC		 1721 /*
1722 * Try to match the object returned by INIT to the specific model.
1723 * Handle every possible object (or the lack of thereof) the DSDT
1724 * writers might throw at us. When in trouble, we pass NULL to
1725 * asus_model_match() and try something completely different.
1726 */
1727 if (buffer.pointer) {
1728 model = buffer.pointer;
1729 switch (model->type) {
1730 case ACPI_TYPE_STRING:
1731 string = model->string.pointer;
1732 break;
1733 case ACPI_TYPE_BUFFER:
1734 string = model->buffer.pointer;
1735 break;
1736 default:
1737 string = "";
1738 break;
1739 }
1740 }
50a90c4d 1741 asus->name = kstrdup(string, GFP_KERNEL);
d8eca110
AL		 1742 if (!asus->name) {
1743 kfree(buffer.pointer);
85091b71 1744 return -ENOMEM;
d8eca110 1745 }
85091b71 1746
9f897484 1747 if (string)
2fcc23da 1748 pr_notice(" %s model detected\n", string);
85091b71 1749
d99b577c 1750 if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
aa9df930 1751 asus->have_rsts = true;
4564de17 1752
85091b71
CC		 1753 kfree(model);
1754
1755 return AE_OK;
1756}
1757
b859f159 1758static int asus_acpi_init(struct asus_laptop *asus)
85091b71 1759{
600ad520 1760 int result = 0;
85091b71 1761
50a90c4d 1762 result = acpi_bus_get_status(asus->device);
600ad520 1763 if (result)
85091b71 1764 return result;
50a90c4d 1765 if (!asus->device->status.present) {
600ad520 1766 pr_err("Hotkey device not present, aborting\n");
85091b71
CC		 1767 return -ENODEV;
1768 }
1769
7c247645 1770 result = asus_laptop_get_info(asus);
034ce90a 1771 if (result)
600ad520 1772 return result;
034ce90a 1773
774b0678
CC		 1774 if (!strcmp(bled_type, "led"))
1775 asus->bled_type = TYPE_LED;
1776 else if (!strcmp(bled_type, "rfkill"))
1777 asus->bled_type = TYPE_RFKILL;
1778
1779 if (!strcmp(wled_type, "led"))
1780 asus->wled_type = TYPE_LED;
1781 else if (!strcmp(wled_type, "rfkill"))
1782 asus->wled_type = TYPE_RFKILL;
1783
be4ee82d 1784 if (bluetooth_status >= 0)
e5593bf1
CC		 1785 asus_bluetooth_set(asus, !!bluetooth_status);
1786
d0930a2d
CC		 1787 if (wlan_status >= 0)
1788 asus_wlan_set(asus, !!wlan_status);
85091b71 1789
ba1ff5be
CC		 1790 if (wimax_status >= 0)
1791 asus_wimax_set(asus, !!wimax_status);
1792
1793 if (wwan_status >= 0)
1794 asus_wwan_set(asus, !!wwan_status);
1795
600ad520 1796 /* Keyboard Backlight is on by default */
d99b577c 1797 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
4d441513 1798 asus_kled_set(asus, 1);
600ad520
CC		 1799
1800 /* LED display is off by default */
50a90c4d 1801 asus->ledd_status = 0xFFF;
600ad520
CC		 1802
1803 /* Set initial values of light sensor and level */
abec04db 1804 asus->light_switch = !!als_status;
be4ee82d 1805 asus->light_level = 5; /* level 5 for sensor sensitivity */
600ad520 1806
33989ba6
AR		 1807 if (asus->is_pega_lucid) {
1808 asus_als_switch(asus, asus->light_switch);
1809 } else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
1810 !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
4d441513 1811 asus_als_switch(asus, asus->light_switch);
4d441513 1812 asus_als_level(asus, asus->light_level);
d99b577c 1813 }
600ad520 1814
600ad520
CC		 1815 return result;
1816}
1817
b859f159 1818static void asus_dmi_check(void)
af96f877
CC		 1819{
1820 const char *model;
1821
1822 model = dmi_get_system_info(DMI_PRODUCT_NAME);
1823 if (!model)
1824 return;
1825
1826 /* On L1400B WLED control the sound card, don't mess with it ... */
1827 if (strncmp(model, "L1400B", 6) == 0) {
1828 wlan_status = -1;
1829 }
1830}
1831
71e687dc
CC		 1832static bool asus_device_present;
1833
b859f159 1834static int asus_acpi_add(struct acpi_device *device)
600ad520 1835{
9129d14d 1836 struct asus_laptop *asus;
600ad520
CC		 1837 int result;
1838
1839 pr_notice("Asus Laptop Support version %s\n",
1840 ASUS_LAPTOP_VERSION);
50a90c4d
CC		 1841 asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL);
1842 if (!asus)
600ad520 1843 return -ENOMEM;
50a90c4d
CC		 1844 asus->handle = device->handle;
1845 strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME);
1846 strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS);
1847 device->driver_data = asus;
1848 asus->device = device;
600ad520 1849
af96f877
CC		 1850 asus_dmi_check();
1851
9129d14d 1852 result = asus_acpi_init(asus);
8def05fa 1853 if (result)
600ad520 1854 goto fail_platform;
85091b71 1855
600ad520 1856 /*
8819de7f
AR		 1857 * Need platform type detection first, then the platform
1858 * device. It is used as a parent for the sub-devices below.
600ad520 1859 */
8819de7f 1860 asus->is_pega_lucid = asus_check_pega_lucid(asus);
9129d14d 1861 result = asus_platform_init(asus);
116bf2e0 1862 if (result)
600ad520 1863 goto fail_platform;
116bf2e0 1864
8b9e6b70 1865 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
9129d14d 1866 result = asus_backlight_init(asus);
116bf2e0
CC		 1867 if (result)
1868 goto fail_backlight;
8b9e6b70 1869 }
116bf2e0 1870
9129d14d 1871 result = asus_input_init(asus);
600ad520
CC		 1872 if (result)
1873 goto fail_input;
1874
9129d14d 1875 result = asus_led_init(asus);
600ad520
CC		 1876 if (result)
1877 goto fail_led;
1878
18e1311e 1879 result = asus_rfkill_init(asus);
3c8671ff 1880 if (result && result != -ENODEV)
18e1311e
CC		 1881 goto fail_rfkill;
1882
b23910c2
AR		 1883 result = pega_accel_init(asus);
1884 if (result && result != -ENODEV)
1885 goto fail_pega_accel;
1886
14908399
AA		 1887 result = pega_rfkill_init(asus);
1888 if (result && result != -ENODEV)
1889 goto fail_pega_rfkill;
1890
600ad520 1891 asus_device_present = true;
8def05fa 1892 return 0;
85091b71 1893
14908399
AA		 1894fail_pega_rfkill:
1895 pega_accel_exit(asus);
b23910c2
AR		 1896fail_pega_accel:
1897 asus_rfkill_exit(asus);
18e1311e
CC		 1898fail_rfkill:
1899 asus_led_exit(asus);
600ad520 1900fail_led:
9129d14d 1901 asus_input_exit(asus);
600ad520 1902fail_input:
9129d14d 1903 asus_backlight_exit(asus);
116bf2e0 1904fail_backlight:
9129d14d 1905 asus_platform_exit(asus);
600ad520 1906fail_platform:
50a90c4d 1907 kfree(asus);
116bf2e0 1908
600ad520
CC		 1909 return result;
1910}
116bf2e0 1911
51fac838 1912static int asus_acpi_remove(struct acpi_device *device)
600ad520 1913{
9129d14d
CC		 1914 struct asus_laptop *asus = acpi_driver_data(device);
1915
1916 asus_backlight_exit(asus);
18e1311e 1917 asus_rfkill_exit(asus);
9129d14d
CC		 1918 asus_led_exit(asus);
1919 asus_input_exit(asus);
b23910c2 1920 pega_accel_exit(asus);
9129d14d 1921 asus_platform_exit(asus);
600ad520 1922
50a90c4d
CC		 1923 kfree(asus->name);
1924 kfree(asus);
600ad520
CC		 1925 return 0;
1926}
1927
1928static const struct acpi_device_id asus_device_ids[] = {
1929 {"ATK0100", 0},
1930 {"ATK0101", 0},
1931 {"", 0},
1932};
1933MODULE_DEVICE_TABLE(acpi, asus_device_ids);
85091b71 1934
600ad520 1935static struct acpi_driver asus_acpi_driver = {
50a90c4d
CC		 1936 .name = ASUS_LAPTOP_NAME,
1937 .class = ASUS_LAPTOP_CLASS,
600ad520
CC		 1938 .owner = THIS_MODULE,
1939 .ids = asus_device_ids,
1940 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
1941 .ops = {
1942 .add = asus_acpi_add,
1943 .remove = asus_acpi_remove,
1944 .notify = asus_acpi_notify,
1945 },
1946};
85091b71 1947
600ad520
CC		 1948static int __init asus_laptop_init(void)
1949{
1950 int result;
85091b71 1951
600ad520
CC		 1952 result = platform_driver_register(&platform_driver);
1953 if (result < 0)
1954 return result;
034ce90a 1955
600ad520
CC		 1956 result = acpi_bus_register_driver(&asus_acpi_driver);
1957 if (result < 0)
1958 goto fail_acpi_driver;
1959 if (!asus_device_present) {
1960 result = -ENODEV;
1961 goto fail_no_device;
1962 }
1963 return 0;
85091b71 1964
600ad520
CC		 1965fail_no_device:
1966 acpi_bus_unregister_driver(&asus_acpi_driver);
1967fail_acpi_driver:
1968 platform_driver_unregister(&platform_driver);
85091b71
CC		 1969 return result;
1970}
1971
600ad520
CC		 1972static void __exit asus_laptop_exit(void)
1973{
1974 acpi_bus_unregister_driver(&asus_acpi_driver);
1975 platform_driver_unregister(&platform_driver);
1976}
1977
85091b71
CC		 1978module_init(asus_laptop_init);
1979module_exit(asus_laptop_exit);
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