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Merge tag 'pm-6.12-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
[linux-2.6-block.git] / drivers / platform / x86 / asus-laptop.c
CommitLineData
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 30#include <linux/backlight.h>
be18cdab 31#include <linux/leds.h>
85091b71 32#include <linux/platform_device.h>
060cbce6 33#include <linux/uaccess.h>
034ce90a 34#include <linux/input.h>
66a71dd1 35#include <linux/input/sparse-keymap.h>
18e1311e 36#include <linux/rfkill.h>
5a0e3ad6 37#include <linux/slab.h>
af96f877 38#include <linux/dmi.h>
8b48463f 39#include <linux/acpi.h>
8b9e6b70 40#include <acpi/video.h>
85091b71 41
91687cc8 42#define ASUS_LAPTOP_VERSION "0.42"
85091b71 43
50a90c4d
CC		 44#define ASUS_LAPTOP_NAME "Asus Laptop Support"
45#define ASUS_LAPTOP_CLASS "hotkey"
46#define ASUS_LAPTOP_DEVICE_NAME "Hotkey"
47#define ASUS_LAPTOP_FILE KBUILD_MODNAME
48#define ASUS_LAPTOP_PREFIX "\\_SB.ATKD."
85091b71 49
85091b71 50MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
50a90c4d 51MODULE_DESCRIPTION(ASUS_LAPTOP_NAME);
85091b71
CC		 52MODULE_LICENSE("GPL");
53
be966660
CC		 54/*
55 * WAPF defines the behavior of the Fn+Fx wlan key
185e5af9
CC		 56 * The significance of values is yet to be found, but
57 * most of the time:
fddbfed5
CC		 58 * Bit | Bluetooth | WLAN
59 * 0 | Hardware | Hardware
60 * 1 | Hardware | Software
61 * 4 | Software | Software
185e5af9
CC		 62 */
63static uint wapf = 1;
c26d85cb 64module_param(wapf, uint, 0444);
185e5af9
CC		 65MODULE_PARM_DESC(wapf, "WAPF value");
66
774b0678
CC		 67static char *wled_type = "unknown";
68static char *bled_type = "unknown";
69
70module_param(wled_type, charp, 0444);
3f5449bf 71MODULE_PARM_DESC(wled_type, "Set the wled type on boot "
774b0678
CC		 72 "(unknown, led or rfkill). "
73 "default is unknown");
74
75module_param(bled_type, charp, 0444);
76MODULE_PARM_DESC(bled_type, "Set the bled type on boot "
77 "(unknown, led or rfkill). "
78 "default is unknown");
79
668f4a03
DC		 80static int wlan_status = 1;
81static int bluetooth_status = 1;
ba1ff5be
CC		 82static int wimax_status = -1;
83static int wwan_status = -1;
abec04db 84static int als_status;
0e875f49 85
c26d85cb 86module_param(wlan_status, int, 0444);
d0930a2d 87MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
0e875f49 88 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 89 "default is -1");
0e875f49 90
c26d85cb 91module_param(bluetooth_status, int, 0444);
0e875f49
CC		 92MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
93 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 94 "default is -1");
0e875f49 95
ba1ff5be
CC		 96module_param(wimax_status, int, 0444);
97MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
98 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 99 "default is -1");
ba1ff5be
CC		 100
101module_param(wwan_status, int, 0444);
102MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
103 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 104 "default is -1");
ba1ff5be 105
abec04db
AR		 106module_param(als_status, int, 0444);
107MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
108 "(0 = disabled, 1 = enabled). "
109 "default is 0");
110
be4ee82d
CC		 111/*
112 * Some events we use, same for all Asus
113 */
2740e1bd
CC		 114#define ATKD_BRNUP_MIN 0x10
115#define ATKD_BRNUP_MAX 0x1f
116#define ATKD_BRNDOWN_MIN 0x20
117#define ATKD_BRNDOWN_MAX 0x2f
118#define ATKD_BRNDOWN 0x20
119#define ATKD_BRNUP 0x2f
be4ee82d
CC		 120#define ATKD_LCD_ON 0x33
121#define ATKD_LCD_OFF 0x34
122
123/*
124 * Known bits returned by \_SB.ATKD.HWRS
125 */
126#define WL_HWRS 0x80
127#define BT_HWRS 0x100
128
129/*
130 * Flags for hotk status
131 * WL_ON and BT_ON are also used for wireless_status()
132 */
17e78f62
CC		 133#define WL_RSTS 0x01 /* internal Wifi */
134#define BT_RSTS 0x02 /* internal Bluetooth */
ba1ff5be
CC		 135#define WM_RSTS 0x08 /* internal wimax */
136#define WW_RSTS 0x20 /* internal wwan */
be4ee82d 137
774b0678
CC		 138/* WLED and BLED type */
139#define TYPE_UNKNOWN 0
140#define TYPE_LED 1
141#define TYPE_RFKILL 2
142
be18cdab 143/* LED */
d99b577c
CC		 144#define METHOD_MLED "MLED"
145#define METHOD_TLED "TLED"
146#define METHOD_RLED "RLED" /* W1JC */
147#define METHOD_PLED "PLED" /* A7J */
148#define METHOD_GLED "GLED" /* G1, G2 (probably) */
be18cdab 149
722ad971 150/* LEDD */
d99b577c 151#define METHOD_LEDD "SLCM"
722ad971 152
be966660
CC		 153/*
154 * Bluetooth and WLAN
4564de17
CC		 155 * WLED and BLED are not handled like other XLED, because in some dsdt
156 * they also control the WLAN/Bluetooth device.
157 */
d99b577c
CC		 158#define METHOD_WLAN "WLED"
159#define METHOD_BLUETOOTH "BLED"
ba1ff5be
CC		 160
161/* WWAN and WIMAX */
162#define METHOD_WWAN "GSMC"
163#define METHOD_WIMAX "WMXC"
164
d99b577c 165#define METHOD_WL_STATUS "RSTS"
4564de17 166
6b7091e7 167/* Brightness */
d99b577c
CC		 168#define METHOD_BRIGHTNESS_SET "SPLV"
169#define METHOD_BRIGHTNESS_GET "GPLV"
6b7091e7 170
78127b4a 171/* Display */
d99b577c 172#define METHOD_SWITCH_DISPLAY "SDSP"
060cbce6 173
d99b577c
CC		 174#define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */
175#define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */
8b857353 176
e539c2f6
CC		 177/* GPS */
178/* R2H use different handle for GPS on/off */
d99b577c
CC		 179#define METHOD_GPS_ON "SDON"
180#define METHOD_GPS_OFF "SDOF"
181#define METHOD_GPS_STATUS "GPST"
e539c2f6 182
b7d3fbc2 183/* Keyboard light */
d99b577c
CC		 184#define METHOD_KBD_LIGHT_SET "SLKB"
185#define METHOD_KBD_LIGHT_GET "GLKB"
b7d3fbc2 186
8819de7f
AR		 187/* For Pegatron Lucid tablet */
188#define DEVICE_NAME_PEGA "Lucid"
33989ba6 189
8819de7f
AR		 190#define METHOD_PEGA_ENABLE "ENPR"
191#define METHOD_PEGA_DISABLE "DAPR"
14908399
AA		 192#define PEGA_WLAN 0x00
193#define PEGA_BLUETOOTH 0x01
194#define PEGA_WWAN 0x02
33989ba6
AR		 195#define PEGA_ALS 0x04
196#define PEGA_ALS_POWER 0x05
197
8819de7f 198#define METHOD_PEGA_READ "RDLN"
33989ba6
AR		 199#define PEGA_READ_ALS_H 0x02
200#define PEGA_READ_ALS_L 0x03
8819de7f 201
b23910c2
AR		 202#define PEGA_ACCEL_NAME "pega_accel"
203#define PEGA_ACCEL_DESC "Pegatron Lucid Tablet Accelerometer"
204#define METHOD_XLRX "XLRX"
205#define METHOD_XLRY "XLRY"
206#define METHOD_XLRZ "XLRZ"
207#define PEGA_ACC_CLAMP 512 /* 1G accel is reported as ~256, so clamp to 2G */
208#define PEGA_ACC_RETRIES 3
209
9129d14d
CC		 210/*
211 * Define a specific led structure to keep the main structure clean
212 */
aee0afb8
CC		 213struct asus_led {
214 int wk;
215 struct work_struct work;
216 struct led_classdev led;
217 struct asus_laptop *asus;
218 const char *method;
9129d14d
CC		 219};
220
14908399
AA		 221/*
222 * Same thing for rfkill
223 */
40969c7d 224struct asus_rfkill {
774b0678
CC		 225 /* type of control. Maps to PEGA_* values or *_RSTS */
226 int control_id;
14908399
AA		 227 struct rfkill *rfkill;
228 struct asus_laptop *asus;
229};
230
85091b71
CC		 231/*
232 * This is the main structure, we can use it to store anything interesting
233 * about the hotk device
234 */
50a90c4d 235struct asus_laptop {
be966660 236 char *name; /* laptop name */
600ad520 237
7c247645 238 struct acpi_table_header *dsdt_info;
600ad520 239 struct platform_device *platform_device;
7c247645
CC		 240 struct acpi_device *device; /* the device we are in */
241 struct backlight_device *backlight_device;
9129d14d 242
7c247645 243 struct input_dev *inputdev;
9129d14d 244 struct key_entry *keymap;
2011176d 245 struct input_dev *pega_accel_poll;
9129d14d 246
774b0678
CC		 247 struct asus_led wled;
248 struct asus_led bled;
aee0afb8
CC		 249 struct asus_led mled;
250 struct asus_led tled;
251 struct asus_led rled;
252 struct asus_led pled;
253 struct asus_led gled;
254 struct asus_led kled;
255 struct workqueue_struct *led_workqueue;
7c247645 256
774b0678
CC		 257 int wled_type;
258 int bled_type;
aa9df930
CC		 259 int wireless_status;
260 bool have_rsts;
8819de7f 261 bool is_pega_lucid;
b23910c2
AR		 262 bool pega_acc_live;
263 int pega_acc_x;
264 int pega_acc_y;
265 int pega_acc_z;
aa9df930 266
40969c7d
CC		 267 struct asus_rfkill wlan;
268 struct asus_rfkill bluetooth;
269 struct asus_rfkill wwan;
3c8671ff 270 struct asus_rfkill wimax;
40969c7d 271 struct asus_rfkill gps;
14908399 272
be966660 273 acpi_handle handle; /* the handle of the hotk device */
be966660
CC		 274 u32 ledd_status; /* status of the LED display */
275 u8 light_level; /* light sensor level */
276 u8 light_switch; /* light sensor switch value */
277 u16 event_count[128]; /* count for each event TODO make this better */
85091b71
CC		 278};
279
9129d14d 280static const struct key_entry asus_keymap[] = {
a539df5e 281 /* Lenovo SL Specific keycodes */
66a71dd1
CC		 282 {KE_KEY, 0x02, { KEY_SCREENLOCK } },
283 {KE_KEY, 0x05, { KEY_WLAN } },
284 {KE_KEY, 0x08, { KEY_F13 } },
a2d5dd24 285 {KE_KEY, 0x09, { KEY_PROG2 } }, /* Dock */
66a71dd1
CC		 286 {KE_KEY, 0x17, { KEY_ZOOM } },
287 {KE_KEY, 0x1f, { KEY_BATTERY } },
a539df5e 288 /* End of Lenovo SL Specific keycodes */
2740e1bd
CC		 289 {KE_KEY, ATKD_BRNDOWN, { KEY_BRIGHTNESSDOWN } },
290 {KE_KEY, ATKD_BRNUP, { KEY_BRIGHTNESSUP } },
66a71dd1
CC		 291 {KE_KEY, 0x30, { KEY_VOLUMEUP } },
292 {KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
293 {KE_KEY, 0x32, { KEY_MUTE } },
a935eaec
CC		 294 {KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
295 {KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
66a71dd1
CC		 296 {KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
297 {KE_KEY, 0x41, { KEY_NEXTSONG } },
a935eaec 298 {KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
66a71dd1 299 {KE_KEY, 0x45, { KEY_PLAYPAUSE } },
a935eaec 300 {KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
66a71dd1
CC		 301 {KE_KEY, 0x50, { KEY_EMAIL } },
302 {KE_KEY, 0x51, { KEY_WWW } },
303 {KE_KEY, 0x55, { KEY_CALC } },
982d385a
CC		 304 {KE_IGNORE, 0x57, }, /* Battery mode */
305 {KE_IGNORE, 0x58, }, /* AC mode */
66a71dd1 306 {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */
a935eaec
CC		 307 {KE_KEY, 0x5D, { KEY_WLAN } }, /* WLAN Toggle */
308 {KE_KEY, 0x5E, { KEY_WLAN } }, /* WLAN Enable */
309 {KE_KEY, 0x5F, { KEY_WLAN } }, /* WLAN Disable */
19d3ab12 310 {KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
3da4cd20
AK		 311 {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
312 {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
313 {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
314 {KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
315 {KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
316 {KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
317 {KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
97ade769 318 {KE_KEY, 0x6A, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad Fn + F9 */
a935eaec 319 {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad */
a2d5dd24
CC		 320 {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */
321 {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */
982d385a 322 {KE_IGNORE, 0x6E, }, /* Low Battery notification */
a935eaec
CC		 323 {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
324 {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
66a71dd1 325 {KE_KEY, 0x82, { KEY_CAMERA } },
a935eaec
CC		 326 {KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
327 {KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
3da4cd20
AK		 328 {KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
329 {KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
330 {KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
331 {KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
332 {KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
333 {KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
334 {KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
335 {KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
66a71dd1
CC		 336 {KE_KEY, 0x95, { KEY_MEDIA } },
337 {KE_KEY, 0x99, { KEY_PHONE } },
3da4cd20
AK		 338 {KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
339 {KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
340 {KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
341 {KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
342 {KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
343 {KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
344 {KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
345 {KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
a935eaec
CC		 346 {KE_KEY, 0xB5, { KEY_CALC } },
347 {KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
348 {KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
034ce90a
CC		 349 {KE_END, 0},
350};
351
66a71dd1 352
85091b71
CC		 353/*
354 * This function evaluates an ACPI method, given an int as parameter, the
355 * method is searched within the scope of the handle, can be NULL. The output
356 * of the method is written is output, which can also be NULL
357 *
f8d1c94b 358 * returns 0 if write is successful, -1 else.
85091b71 359 */
d8c67323
CC		 360static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
361 struct acpi_buffer *output)
85091b71 362{
be966660
CC		 363 struct acpi_object_list params; /* list of input parameters (an int) */
364 union acpi_object in_obj; /* the only param we use */
85091b71
CC		 365 acpi_status status;
366
f8d1c94b 367 if (!handle)
9fb866f3 368 return -1;
f8d1c94b 369
85091b71
CC		 370 params.count = 1;
371 params.pointer = &in_obj;
372 in_obj.type = ACPI_TYPE_INTEGER;
373 in_obj.integer.value = val;
374
375 status = acpi_evaluate_object(handle, (char *)method, &params, output);
f8d1c94b
CC		 376 if (status == AE_OK)
377 return 0;
378 else
379 return -1;
85091b71
CC		 380}
381
d8c67323
CC		 382static int write_acpi_int(acpi_handle handle, const char *method, int val)
383{
384 return write_acpi_int_ret(handle, method, val, NULL);
385}
386
d99b577c
CC		 387static int acpi_check_handle(acpi_handle handle, const char *method,
388 acpi_handle *ret)
389{
390 acpi_status status;
391
392 if (method == NULL)
393 return -ENODEV;
394
395 if (ret)
396 status = acpi_get_handle(handle, (char *)method,
397 ret);
398 else {
399 acpi_handle dummy;
400
401 status = acpi_get_handle(handle, (char *)method,
402 &dummy);
403 }
404
405 if (status != AE_OK) {
406 if (ret)
5ad77dcf 407 pr_warn("Error finding %s\n", method);
d99b577c
CC		 408 return -ENODEV;
409 }
410 return 0;
411}
412
8819de7f
AR		 413static bool asus_check_pega_lucid(struct asus_laptop *asus)
414{
415 return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
416 !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
417 !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
418 !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
419}
420
33989ba6
AR		 421static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable)
422{
423 char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE;
424 return write_acpi_int(asus->handle, method, unit);
425}
426
b23910c2
AR		 427static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method)
428{
429 int i, delta;
430 unsigned long long val;
431 for (i = 0; i < PEGA_ACC_RETRIES; i++) {
432 acpi_evaluate_integer(asus->handle, method, NULL, &val);
433
434 /* The output is noisy. From reading the ASL
435 * dissassembly, timeout errors are returned with 1's
436 * in the high word, and the lack of locking around
437 * thei hi/lo byte reads means that a transition
438 * between (for example) -1 and 0 could be read as
439 * 0xff00 or 0x00ff. */
440 delta = abs(curr - (short)val);
441 if (delta < 128 && !(val & ~0xffff))
442 break;
443 }
444 return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);
445}
446
2011176d 447static void pega_accel_poll(struct input_dev *input)
b23910c2 448{
2011176d 449 struct device *parent = input->dev.parent;
b23910c2
AR		 450 struct asus_laptop *asus = dev_get_drvdata(parent);
451
452 /* In some cases, the very first call to poll causes a
453 * recursive fault under the polldev worker. This is
454 * apparently related to very early userspace access to the
455 * device, and perhaps a firmware bug. Fake the first report. */
456 if (!asus->pega_acc_live) {
457 asus->pega_acc_live = true;
2011176d
DT		 458 input_report_abs(input, ABS_X, 0);
459 input_report_abs(input, ABS_Y, 0);
460 input_report_abs(input, ABS_Z, 0);
461 input_sync(input);
b23910c2
AR		 462 return;
463 }
464
465 asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);
466 asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);
467 asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);
468
469 /* Note transform, convert to "right/up/out" in the native
470 * landscape orientation (i.e. the vector is the direction of
471 * "real up" in the device's cartiesian coordinates). */
2011176d
DT		 472 input_report_abs(input, ABS_X, -asus->pega_acc_x);
473 input_report_abs(input, ABS_Y, -asus->pega_acc_y);
474 input_report_abs(input, ABS_Z, asus->pega_acc_z);
475 input_sync(input);
b23910c2
AR		 476}
477
478static void pega_accel_exit(struct asus_laptop *asus)
479{
480 if (asus->pega_accel_poll) {
2011176d
DT		 481 input_unregister_device(asus->pega_accel_poll);
482 asus->pega_accel_poll = NULL;
b23910c2 483 }
b23910c2
AR		 484}
485
486static int pega_accel_init(struct asus_laptop *asus)
487{
488 int err;
2011176d 489 struct input_dev *input;
b23910c2
AR		 490
491 if (!asus->is_pega_lucid)
492 return -ENODEV;
493
494 if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
495 acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
496 acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
497 return -ENODEV;
498
2011176d
DT		 499 input = input_allocate_device();
500 if (!input)
b23910c2
AR		 501 return -ENOMEM;
502
2011176d
DT		 503 input->name = PEGA_ACCEL_DESC;
504 input->phys = PEGA_ACCEL_NAME "/input0";
505 input->dev.parent = &asus->platform_device->dev;
506 input->id.bustype = BUS_HOST;
b23910c2 507
2011176d 508 input_set_abs_params(input, ABS_X,
b23910c2 509 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
2011176d 510 input_set_abs_params(input, ABS_Y,
b23910c2 511 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
2011176d 512 input_set_abs_params(input, ABS_Z,
b23910c2
AR		 513 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
514
2011176d 515 err = input_setup_polling(input, pega_accel_poll);
b23910c2
AR		 516 if (err)
517 goto exit;
518
2011176d
DT		 519 input_set_poll_interval(input, 125);
520 input_set_min_poll_interval(input, 50);
521 input_set_max_poll_interval(input, 2000);
522
523 err = input_register_device(input);
524 if (err)
525 goto exit;
526
527 asus->pega_accel_poll = input;
b23910c2
AR		 528 return 0;
529
530exit:
2011176d 531 input_free_device(input);
b23910c2
AR		 532 return err;
533}
534
17e78f62 535/* Generic LED function */
aee0afb8 536static int asus_led_set(struct asus_laptop *asus, const char *method,
17e78f62 537 int value)
be18cdab 538{
d99b577c 539 if (!strcmp(method, METHOD_MLED))
17e78f62 540 value = !value;
d99b577c 541 else if (!strcmp(method, METHOD_GLED))
17e78f62
CC		 542 value = !value + 1;
543 else
544 value = !!value;
be18cdab 545
e5593bf1 546 return write_acpi_int(asus->handle, method, value);
be18cdab
CC		 547}
548
be4ee82d
CC		 549/*
550 * LEDs
551 */
be18cdab 552/* /sys/class/led handlers */
aee0afb8
CC		 553static void asus_led_cdev_set(struct led_classdev *led_cdev,
554 enum led_brightness value)
555{
556 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
557 struct asus_laptop *asus = led->asus;
558
559 led->wk = !!value;
560 queue_work(asus->led_workqueue, &led->work);
561}
be18cdab 562
aee0afb8
CC		 563static void asus_led_cdev_update(struct work_struct *work)
564{
565 struct asus_led *led = container_of(work, struct asus_led, work);
566 struct asus_laptop *asus = led->asus;
567
568 asus_led_set(asus, led->method, led->wk);
569}
570
571static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev)
572{
573 return led_cdev->brightness;
574}
be18cdab 575
b7d3fbc2 576/*
be4ee82d 577 * Keyboard backlight (also a LED)
b7d3fbc2 578 */
d99b577c 579static int asus_kled_lvl(struct asus_laptop *asus)
b7d3fbc2
CC		 580{
581 unsigned long long kblv;
582 struct acpi_object_list params;
583 union acpi_object in_obj;
584 acpi_status rv;
585
586 params.count = 1;
587 params.pointer = &in_obj;
588 in_obj.type = ACPI_TYPE_INTEGER;
589 in_obj.integer.value = 2;
590
d99b577c
CC		 591 rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,
592 &params, &kblv);
b7d3fbc2 593 if (ACPI_FAILURE(rv)) {
5ad77dcf 594 pr_warn("Error reading kled level\n");
4d441513 595 return -ENODEV;
b7d3fbc2
CC		 596 }
597 return kblv;
598}
599
4d441513 600static int asus_kled_set(struct asus_laptop *asus, int kblv)
b7d3fbc2
CC		 601{
602 if (kblv > 0)
603 kblv = (1 << 7) | (kblv & 0x7F);
604 else
605 kblv = 0;
606
d99b577c 607 if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {
5ad77dcf 608 pr_warn("Keyboard LED display write failed\n");
b7d3fbc2
CC		 609 return -EINVAL;
610 }
611 return 0;
612}
613
aee0afb8
CC		 614static void asus_kled_cdev_set(struct led_classdev *led_cdev,
615 enum led_brightness value)
b7d3fbc2 616{
aee0afb8
CC		 617 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
618 struct asus_laptop *asus = led->asus;
9129d14d 619
060cbce6 620 led->wk = value;
aee0afb8 621 queue_work(asus->led_workqueue, &led->work);
b7d3fbc2
CC		 622}
623
aee0afb8 624static void asus_kled_cdev_update(struct work_struct *work)
b7d3fbc2 625{
aee0afb8
CC		 626 struct asus_led *led = container_of(work, struct asus_led, work);
627 struct asus_laptop *asus = led->asus;
9129d14d 628
aee0afb8 629 asus_kled_set(asus, led->wk);
b7d3fbc2
CC		 630}
631
aee0afb8 632static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
b7d3fbc2 633{
aee0afb8
CC		 634 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
635 struct asus_laptop *asus = led->asus;
d99b577c
CC		 636
637 return asus_kled_lvl(asus);
b7d3fbc2
CC		 638}
639
be4ee82d
CC		 640static void asus_led_exit(struct asus_laptop *asus)
641{
55523aba
AS		 642 led_classdev_unregister(&asus->wled.led);
643 led_classdev_unregister(&asus->bled.led);
644 led_classdev_unregister(&asus->mled.led);
645 led_classdev_unregister(&asus->tled.led);
646 led_classdev_unregister(&asus->pled.led);
647 led_classdev_unregister(&asus->rled.led);
648 led_classdev_unregister(&asus->gled.led);
649 led_classdev_unregister(&asus->kled.led);
650
aee0afb8
CC		 651 if (asus->led_workqueue) {
652 destroy_workqueue(asus->led_workqueue);
653 asus->led_workqueue = NULL;
be4ee82d
CC		 654 }
655}
656
657/* Ugly macro, need to fix that later */
aee0afb8
CC		 658static int asus_led_register(struct asus_laptop *asus,
659 struct asus_led *led,
660 const char *name, const char *method)
661{
662 struct led_classdev *led_cdev = &led->led;
663
664 if (!method || acpi_check_handle(asus->handle, method, NULL))
060cbce6 665 return 0; /* Led not present */
aee0afb8
CC		 666
667 led->asus = asus;
668 led->method = method;
669
670 INIT_WORK(&led->work, asus_led_cdev_update);
671 led_cdev->name = name;
672 led_cdev->brightness_set = asus_led_cdev_set;
673 led_cdev->brightness_get = asus_led_cdev_get;
674 led_cdev->max_brightness = 1;
675 return led_classdev_register(&asus->platform_device->dev, led_cdev);
676}
be4ee82d
CC		 677
678static int asus_led_init(struct asus_laptop *asus)
679{
774b0678 680 int r = 0;
be4ee82d 681
8d38e42c
CC		 682 /*
683 * The Pegatron Lucid has no physical leds, but all methods are
684 * available in the DSDT...
685 */
686 if (asus->is_pega_lucid)
687 return 0;
688
be4ee82d
CC		 689 /*
690 * Functions that actually update the LED's are called from a
691 * workqueue. By doing this as separate work rather than when the LED
692 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
693 * potentially bad time, such as a timer interrupt.
694 */
aee0afb8
CC		 695 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
696 if (!asus->led_workqueue)
be4ee82d
CC		 697 return -ENOMEM;
698
774b0678
CC		 699 if (asus->wled_type == TYPE_LED)
700 r = asus_led_register(asus, &asus->wled, "asus::wlan",
701 METHOD_WLAN);
702 if (r)
703 goto error;
704 if (asus->bled_type == TYPE_LED)
705 r = asus_led_register(asus, &asus->bled, "asus::bluetooth",
706 METHOD_BLUETOOTH);
707 if (r)
708 goto error;
aee0afb8
CC		 709 r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
710 if (r)
711 goto error;
712 r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
713 if (r)
714 goto error;
715 r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
716 if (r)
717 goto error;
718 r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
719 if (r)
720 goto error;
721 r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
722 if (r)
723 goto error;
d99b577c 724 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
aee0afb8
CC		 725 !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
726 struct asus_led *led = &asus->kled;
727 struct led_classdev *cdev = &led->led;
728
729 led->asus = asus;
730
731 INIT_WORK(&led->work, asus_kled_cdev_update);
732 cdev->name = "asus::kbd_backlight";
733 cdev->brightness_set = asus_kled_cdev_set;
734 cdev->brightness_get = asus_kled_cdev_get;
735 cdev->max_brightness = 3;
736 r = led_classdev_register(&asus->platform_device->dev, cdev);
737 }
be4ee82d 738error:
aee0afb8 739 if (r)
be4ee82d 740 asus_led_exit(asus);
aee0afb8 741 return r;
be4ee82d
CC		 742}
743
744/*
745 * Backlight device
746 */
4d441513 747static int asus_read_brightness(struct backlight_device *bd)
6b7091e7 748{
d99b577c 749 struct asus_laptop *asus = bl_get_data(bd);
27663c58 750 unsigned long long value;
2ce6d993 751 acpi_status rv;
6b7091e7 752
d99b577c
CC		 753 rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,
754 NULL, &value);
198b618a 755 if (ACPI_FAILURE(rv)) {
5ad77dcf 756 pr_warn("Error reading brightness\n");
198b618a
GS		 757 return 0;
758 }
6b7091e7
CC		 759
760 return value;
761}
762
4d441513 763static int asus_set_brightness(struct backlight_device *bd, int value)
6b7091e7 764{
d99b577c
CC		 765 struct asus_laptop *asus = bl_get_data(bd);
766
767 if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {
5ad77dcf 768 pr_warn("Error changing brightness\n");
e5b50f6a 769 return -EIO;
6b7091e7 770 }
e5b50f6a 771 return 0;
6b7091e7
CC		 772}
773
774static int update_bl_status(struct backlight_device *bd)
775{
599a52d1 776 int value = bd->props.brightness;
6b7091e7 777
3b81cf9d 778 return asus_set_brightness(bd, value);
6b7091e7
CC		 779}
780
acc2472e 781static const struct backlight_ops asusbl_ops = {
4d441513 782 .get_brightness = asus_read_brightness,
be4ee82d
CC		 783 .update_status = update_bl_status,
784};
785
a539df5e
CC		 786static int asus_backlight_notify(struct asus_laptop *asus)
787{
788 struct backlight_device *bd = asus->backlight_device;
789 int old = bd->props.brightness;
790
791 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
792
793 return old;
794}
795
be4ee82d
CC		 796static int asus_backlight_init(struct asus_laptop *asus)
797{
798 struct backlight_device *bd;
a19a6ee6 799 struct backlight_properties props;
be4ee82d 800
71e687dc 801 if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
3b81cf9d 802 acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
71e687dc 803 return 0;
be4ee82d 804
71e687dc
CC		 805 memset(&props, 0, sizeof(struct backlight_properties));
806 props.max_brightness = 15;
bb7ca747 807 props.type = BACKLIGHT_PLATFORM;
be4ee82d 808
71e687dc
CC		 809 bd = backlight_device_register(ASUS_LAPTOP_FILE,
810 &asus->platform_device->dev, asus,
811 &asusbl_ops, &props);
812 if (IS_ERR(bd)) {
813 pr_err("Could not register asus backlight device\n");
814 asus->backlight_device = NULL;
815 return PTR_ERR(bd);
be4ee82d 816 }
71e687dc
CC		 817
818 asus->backlight_device = bd;
819 bd->props.brightness = asus_read_brightness(bd);
101cc8c6 820 bd->props.power = BACKLIGHT_POWER_ON;
71e687dc 821 backlight_update_status(bd);
be4ee82d
CC		 822 return 0;
823}
824
825static void asus_backlight_exit(struct asus_laptop *asus)
826{
00981810 827 backlight_device_unregister(asus->backlight_device);
a539df5e 828 asus->backlight_device = NULL;
be4ee82d
CC		 829}
830
85091b71
CC		 831/*
832 * Platform device handlers
833 */
834
835/*
836 * We write our info in page, we begin at offset off and cannot write more
837 * than count bytes. We set eof to 1 if we handle those 2 values. We return the
838 * number of bytes written in page
839 */
ed52ccbc
VD		 840static ssize_t infos_show(struct device *dev, struct device_attribute *attr,
841 char *page)
85091b71 842{
9129d14d 843 struct asus_laptop *asus = dev_get_drvdata(dev);
85091b71 844 int len = 0;
27663c58 845 unsigned long long temp;
be966660 846 char buf[16]; /* enough for all info */
2ce6d993 847 acpi_status rv;
9a816850 848
85091b71 849 /*
060cbce6
CC		 850 * We use the easy way, we don't care of off and count,
851 * so we don't set eof to 1
85091b71
CC		 852 */
853
5c94664c 854 len += sysfs_emit_at(page, len, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
855 len += sysfs_emit_at(page, len, "Model reference : %s\n", asus->name);
85091b71
CC		 856 /*
857 * The SFUN method probably allows the original driver to get the list
858 * of features supported by a given model. For now, 0x0100 or 0x0800
859 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
860 * The significance of others is yet to be found.
861 */
50a90c4d 862 rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
10e92724 863 if (ACPI_SUCCESS(rv))
5c94664c 864 len += sysfs_emit_at(page, len, "SFUN value : %#x\n",
1d4a3800
CC		 865 (uint) temp);
866 /*
867 * The HWRS method return informations about the hardware.
868 * 0x80 bit is for WLAN, 0x100 for Bluetooth.
cb7da022 869 * 0x40 for WWAN, 0x10 for WIMAX.
1d4a3800 870 * The significance of others is yet to be found.
cb7da022
BH		 871 * We don't currently use this for device detection, and it
872 * takes several seconds to run on some systems.
1d4a3800 873 */
8871e99f 874 rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
10e92724 875 if (ACPI_SUCCESS(rv))
5c94664c 876 len += sysfs_emit_at(page, len, "HWRS value : %#x\n",
9a816850 877 (uint) temp);
85091b71
CC		 878 /*
879 * Another value for userspace: the ASYM method returns 0x02 for
880 * battery low and 0x04 for battery critical, its readings tend to be
881 * more accurate than those provided by _BST.
882 * Note: since not all the laptops provide this method, errors are
883 * silently ignored.
884 */
50a90c4d 885 rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
10e92724 886 if (ACPI_SUCCESS(rv))
5c94664c 887 len += sysfs_emit_at(page, len, "ASYM value : %#x\n",
9a816850 888 (uint) temp);
7c247645
CC		 889 if (asus->dsdt_info) {
890 snprintf(buf, 16, "%d", asus->dsdt_info->length);
5c94664c 891 len += sysfs_emit_at(page, len, "DSDT length : %s\n", buf);
7c247645 892 snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
5c94664c 893 len += sysfs_emit_at(page, len, "DSDT checksum : %s\n", buf);
7c247645 894 snprintf(buf, 16, "%d", asus->dsdt_info->revision);
5c94664c 895 len += sysfs_emit_at(page, len, "DSDT revision : %s\n", buf);
7c247645 896 snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
5c94664c 897 len += sysfs_emit_at(page, len, "OEM id : %s\n", buf);
7c247645 898 snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
5c94664c 899 len += sysfs_emit_at(page, len, "OEM table id : %s\n", buf);
7c247645 900 snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
5c94664c 901 len += sysfs_emit_at(page, len, "OEM revision : 0x%s\n", buf);
7c247645 902 snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
5c94664c 903 len += sysfs_emit_at(page, len, "ASL comp vendor id : %s\n", buf);
7c247645 904 snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
5c94664c 905 len += sysfs_emit_at(page, len, "ASL comp revision : 0x%s\n", buf);
85091b71
CC		 906 }
907
908 return len;
909}
ed52ccbc 910static DEVICE_ATTR_RO(infos);
85091b71 911
17e78f62
CC		 912static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
913 const char *buf, size_t count,
d99b577c 914 const char *method)
4564de17
CC		 915{
916 int rv, value;
4564de17 917
6f7e357b
GS		 918 rv = kstrtoint(buf, 0, &value);
919 if (rv < 0)
19d46ee1 920 return rv;
4564de17 921
d99b577c 922 if (write_acpi_int(asus->handle, method, value))
17e78f62 923 return -ENODEV;
6f7e357b 924 return count;
4564de17
CC		 925}
926
722ad971
CC		 927/*
928 * LEDD display
929 */
ed52ccbc
VD		 930static ssize_t ledd_show(struct device *dev, struct device_attribute *attr,
931 char *buf)
722ad971 932{
9129d14d
CC		 933 struct asus_laptop *asus = dev_get_drvdata(dev);
934
5c94664c 935 return sysfs_emit(buf, "0x%08x\n", asus->ledd_status);
722ad971
CC		 936}
937
ed52ccbc 938static ssize_t ledd_store(struct device *dev, struct device_attribute *attr,
722ad971
CC		 939 const char *buf, size_t count)
940{
9129d14d 941 struct asus_laptop *asus = dev_get_drvdata(dev);
722ad971
CC		 942 int rv, value;
943
6f7e357b
GS		 944 rv = kstrtoint(buf, 0, &value);
945 if (rv < 0)
946 return rv;
947
948 if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {
949 pr_warn("LED display write failed\n");
950 return -ENODEV;
722ad971 951 }
6f7e357b
GS		 952
953 asus->ledd_status = (u32) value;
954 return count;
722ad971 955}
ed52ccbc 956static DEVICE_ATTR_RW(ledd);
722ad971 957
aa9df930
CC		 958/*
959 * Wireless
960 */
961static int asus_wireless_status(struct asus_laptop *asus, int mask)
962{
963 unsigned long long status;
964 acpi_status rv = AE_OK;
965
966 if (!asus->have_rsts)
967 return (asus->wireless_status & mask) ? 1 : 0;
968
d99b577c
CC		 969 rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,
970 NULL, &status);
aa9df930 971 if (ACPI_FAILURE(rv)) {
5ad77dcf 972 pr_warn("Error reading Wireless status\n");
aa9df930
CC		 973 return -EINVAL;
974 }
975 return !!(status & mask);
976}
977
4564de17
CC		 978/*
979 * WLAN
980 */
e5593bf1
CC		 981static int asus_wlan_set(struct asus_laptop *asus, int status)
982{
983 if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {
5ad77dcf 984 pr_warn("Error setting wlan status to %d\n", status);
e5593bf1
CC		 985 return -EIO;
986 }
987 return 0;
988}
989
ed52ccbc
VD		 990static ssize_t wlan_show(struct device *dev, struct device_attribute *attr,
991 char *buf)
4564de17 992{
9129d14d
CC		 993 struct asus_laptop *asus = dev_get_drvdata(dev);
994
5c94664c 995 return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
4564de17
CC		 996}
997
ed52ccbc 998static ssize_t wlan_store(struct device *dev, struct device_attribute *attr,
4564de17
CC		 999 const char *buf, size_t count)
1000{
9129d14d
CC		 1001 struct asus_laptop *asus = dev_get_drvdata(dev);
1002
d99b577c 1003 return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
4564de17 1004}
ed52ccbc 1005static DEVICE_ATTR_RW(wlan);
4564de17 1006
774b0678 1007/*e
4564de17
CC		 1008 * Bluetooth
1009 */
e5593bf1
CC		 1010static int asus_bluetooth_set(struct asus_laptop *asus, int status)
1011{
1012 if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {
5ad77dcf 1013 pr_warn("Error setting bluetooth status to %d\n", status);
e5593bf1
CC		 1014 return -EIO;
1015 }
1016 return 0;
1017}
1018
ed52ccbc
VD		 1019static ssize_t bluetooth_show(struct device *dev, struct device_attribute *attr,
1020 char *buf)
4564de17 1021{
9129d14d
CC		 1022 struct asus_laptop *asus = dev_get_drvdata(dev);
1023
5c94664c 1024 return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
4564de17
CC		 1025}
1026
ed52ccbc 1027static ssize_t bluetooth_store(struct device *dev,
8def05fa
LB		 1028 struct device_attribute *attr, const char *buf,
1029 size_t count)
4564de17 1030{
9129d14d
CC		 1031 struct asus_laptop *asus = dev_get_drvdata(dev);
1032
d99b577c 1033 return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH);
4564de17 1034}
ed52ccbc 1035static DEVICE_ATTR_RW(bluetooth);
4564de17 1036
ba1ff5be
CC		 1037/*
1038 * Wimax
1039 */
1040static int asus_wimax_set(struct asus_laptop *asus, int status)
1041{
1042 if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
5ad77dcf 1043 pr_warn("Error setting wimax status to %d\n", status);
ba1ff5be
CC		 1044 return -EIO;
1045 }
1046 return 0;
1047}
1048
ed52ccbc
VD		 1049static ssize_t wimax_show(struct device *dev, struct device_attribute *attr,
1050 char *buf)
ba1ff5be
CC		 1051{
1052 struct asus_laptop *asus = dev_get_drvdata(dev);
1053
5c94664c 1054 return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
ba1ff5be
CC		 1055}
1056
ed52ccbc
VD		 1057static ssize_t wimax_store(struct device *dev, struct device_attribute *attr,
1058 const char *buf, size_t count)
ba1ff5be
CC		 1059{
1060 struct asus_laptop *asus = dev_get_drvdata(dev);
1061
1062 return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
1063}
ed52ccbc 1064static DEVICE_ATTR_RW(wimax);
ba1ff5be
CC		 1065
1066/*
1067 * Wwan
1068 */
1069static int asus_wwan_set(struct asus_laptop *asus, int status)
1070{
1071 if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
5ad77dcf 1072 pr_warn("Error setting wwan status to %d\n", status);
ba1ff5be
CC		 1073 return -EIO;
1074 }
1075 return 0;
1076}
1077
ed52ccbc
VD		 1078static ssize_t wwan_show(struct device *dev, struct device_attribute *attr,
1079 char *buf)
ba1ff5be
CC		 1080{
1081 struct asus_laptop *asus = dev_get_drvdata(dev);
1082
5c94664c 1083 return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
ba1ff5be
CC		 1084}
1085
ed52ccbc
VD		 1086static ssize_t wwan_store(struct device *dev, struct device_attribute *attr,
1087 const char *buf, size_t count)
ba1ff5be
CC		 1088{
1089 struct asus_laptop *asus = dev_get_drvdata(dev);
1090
1091 return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
1092}
ed52ccbc 1093static DEVICE_ATTR_RW(wwan);
ba1ff5be 1094
78127b4a
CC		 1095/*
1096 * Display
1097 */
4d441513 1098static void asus_set_display(struct asus_laptop *asus, int value)
78127b4a
CC		 1099{
1100 /* no sanity check needed for now */
d99b577c 1101 if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))
5ad77dcf 1102 pr_warn("Error setting display\n");
78127b4a
CC		 1103 return;
1104}
1105
78127b4a
CC		 1106/*
1107 * Experimental support for display switching. As of now: 1 should activate
1108 * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
1109 * Any combination (bitwise) of these will suffice. I never actually tested 4
1110 * displays hooked up simultaneously, so be warned. See the acpi4asus README
1111 * for more info.
1112 */
ed52ccbc
VD		 1113static ssize_t display_store(struct device *dev, struct device_attribute *attr,
1114 const char *buf, size_t count)
78127b4a 1115{
9129d14d 1116 struct asus_laptop *asus = dev_get_drvdata(dev);
78127b4a
CC		 1117 int rv, value;
1118
6f7e357b
GS		 1119 rv = kstrtoint(buf, 0, &value);
1120 if (rv < 0)
1121 return rv;
1122
1123 asus_set_display(asus, value);
1124 return count;
78127b4a 1125}
ed52ccbc 1126static DEVICE_ATTR_WO(display);
78127b4a 1127
8b857353
CC		 1128/*
1129 * Light Sens
1130 */
4d441513 1131static void asus_als_switch(struct asus_laptop *asus, int value)
8b857353 1132{
33989ba6
AR		 1133 int ret;
1134
1135 if (asus->is_pega_lucid) {
1136 ret = asus_pega_lucid_set(asus, PEGA_ALS, value);
1137 if (!ret)
1138 ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, value);
1139 } else {
1140 ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
1141 }
1142 if (ret)
ab556109 1143 pr_warn("Error setting light sensor switch\n");
33989ba6 1144
50a90c4d 1145 asus->light_switch = value;
8b857353
CC		 1146}
1147
ed52ccbc
VD		 1148static ssize_t ls_switch_show(struct device *dev, struct device_attribute *attr,
1149 char *buf)
8b857353 1150{
9129d14d
CC		 1151 struct asus_laptop *asus = dev_get_drvdata(dev);
1152
5c94664c 1153 return sysfs_emit(buf, "%d\n", asus->light_switch);
8b857353
CC		 1154}
1155
ed52ccbc
VD		 1156static ssize_t ls_switch_store(struct device *dev,
1157 struct device_attribute *attr, const char *buf,
1158 size_t count)
8b857353 1159{
9129d14d 1160 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1161 int rv, value;
1162
6f7e357b
GS		 1163 rv = kstrtoint(buf, 0, &value);
1164 if (rv < 0)
1165 return rv;
8b857353 1166
6f7e357b
GS		 1167 asus_als_switch(asus, value ? 1 : 0);
1168 return count;
8b857353 1169}
ed52ccbc 1170static DEVICE_ATTR_RW(ls_switch);
8b857353 1171
4d441513 1172static void asus_als_level(struct asus_laptop *asus, int value)
8b857353 1173{
d99b577c 1174 if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))
5ad77dcf 1175 pr_warn("Error setting light sensor level\n");
50a90c4d 1176 asus->light_level = value;
8b857353
CC		 1177}
1178
ed52ccbc
VD		 1179static ssize_t ls_level_show(struct device *dev, struct device_attribute *attr,
1180 char *buf)
8b857353 1181{
9129d14d
CC		 1182 struct asus_laptop *asus = dev_get_drvdata(dev);
1183
5c94664c 1184 return sysfs_emit(buf, "%d\n", asus->light_level);
8b857353
CC		 1185}
1186
ed52ccbc
VD		 1187static ssize_t ls_level_store(struct device *dev, struct device_attribute *attr,
1188 const char *buf, size_t count)
8b857353 1189{
9129d14d 1190 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1191 int rv, value;
1192
6f7e357b
GS		 1193 rv = kstrtoint(buf, 0, &value);
1194 if (rv < 0)
1195 return rv;
1196
1197 value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
1198 /* 0 <= value <= 15 */
1199 asus_als_level(asus, value);
8b857353 1200
6f7e357b 1201 return count;
8b857353 1202}
ed52ccbc 1203static DEVICE_ATTR_RW(ls_level);
8b857353 1204
33989ba6
AR		 1205static int pega_int_read(struct asus_laptop *asus, int arg, int *result)
1206{
1207 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1208 int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,
1209 &buffer);
1210 if (!err) {
1211 union acpi_object *obj = buffer.pointer;
1212 if (obj && obj->type == ACPI_TYPE_INTEGER)
1213 *result = obj->integer.value;
1214 else
1215 err = -EIO;
1216 }
1217 return err;
1218}
1219
ed52ccbc
VD		 1220static ssize_t ls_value_show(struct device *dev, struct device_attribute *attr,
1221 char *buf)
33989ba6
AR		 1222{
1223 struct asus_laptop *asus = dev_get_drvdata(dev);
1224 int err, hi, lo;
1225
1226 err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);
1227 if (!err)
1228 err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
1229 if (!err)
5c94664c 1230 return sysfs_emit(buf, "%d\n", 10 * hi + lo);
33989ba6
AR		 1231 return err;
1232}
ed52ccbc 1233static DEVICE_ATTR_RO(ls_value);
33989ba6 1234
e539c2f6
CC		 1235/*
1236 * GPS
1237 */
6358bf2c
CC		 1238static int asus_gps_status(struct asus_laptop *asus)
1239{
1240 unsigned long long status;
2ce6d993 1241 acpi_status rv;
6358bf2c 1242
d99b577c
CC		 1243 rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,
1244 NULL, &status);
6358bf2c 1245 if (ACPI_FAILURE(rv)) {
5ad77dcf 1246 pr_warn("Error reading GPS status\n");
6358bf2c
CC		 1247 return -ENODEV;
1248 }
1249 return !!status;
1250}
1251
1252static int asus_gps_switch(struct asus_laptop *asus, int status)
1253{
d99b577c 1254 const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF;
6358bf2c 1255
d99b577c 1256 if (write_acpi_int(asus->handle, meth, 0x02))
6358bf2c
CC		 1257 return -ENODEV;
1258 return 0;
1259}
1260
ed52ccbc
VD		 1261static ssize_t gps_show(struct device *dev, struct device_attribute *attr,
1262 char *buf)
e539c2f6 1263{
9129d14d
CC		 1264 struct asus_laptop *asus = dev_get_drvdata(dev);
1265
5c94664c 1266 return sysfs_emit(buf, "%d\n", asus_gps_status(asus));
e539c2f6
CC		 1267}
1268
ed52ccbc 1269static ssize_t gps_store(struct device *dev, struct device_attribute *attr,
e539c2f6
CC		 1270 const char *buf, size_t count)
1271{
060cbce6 1272 struct asus_laptop *asus = dev_get_drvdata(dev);
6358bf2c
CC		 1273 int rv, value;
1274 int ret;
9129d14d 1275
6f7e357b
GS		 1276 rv = kstrtoint(buf, 0, &value);
1277 if (rv < 0)
1278 return rv;
6358bf2c
CC		 1279 ret = asus_gps_switch(asus, !!value);
1280 if (ret)
1281 return ret;
40969c7d 1282 rfkill_set_sw_state(asus->gps.rfkill, !value);
6f7e357b 1283 return count;
e539c2f6 1284}
ed52ccbc 1285static DEVICE_ATTR_RW(gps);
e539c2f6 1286
18e1311e
CC		 1287/*
1288 * rfkill
1289 */
1290static int asus_gps_rfkill_set(void *data, bool blocked)
1291{
23f45c3a 1292 struct asus_laptop *asus = data;
18e1311e 1293
23f45c3a 1294 return asus_gps_switch(asus, !blocked);
18e1311e
CC		 1295}
1296
1297static const struct rfkill_ops asus_gps_rfkill_ops = {
1298 .set_block = asus_gps_rfkill_set,
1299};
1300
774b0678
CC		 1301static int asus_rfkill_set(void *data, bool blocked)
1302{
1303 struct asus_rfkill *rfk = data;
1304 struct asus_laptop *asus = rfk->asus;
1305
1306 if (rfk->control_id == WL_RSTS)
1307 return asus_wlan_set(asus, !blocked);
1308 else if (rfk->control_id == BT_RSTS)
1309 return asus_bluetooth_set(asus, !blocked);
3c8671ff
CC		 1310 else if (rfk->control_id == WM_RSTS)
1311 return asus_wimax_set(asus, !blocked);
1312 else if (rfk->control_id == WW_RSTS)
1313 return asus_wwan_set(asus, !blocked);
774b0678
CC		 1314
1315 return -EINVAL;
1316}
1317
1318static const struct rfkill_ops asus_rfkill_ops = {
1319 .set_block = asus_rfkill_set,
1320};
1321
40969c7d
CC		 1322static void asus_rfkill_terminate(struct asus_rfkill *rfk)
1323{
1324 if (!rfk->rfkill)
1325 return ;
1326
1327 rfkill_unregister(rfk->rfkill);
1328 rfkill_destroy(rfk->rfkill);
1329 rfk->rfkill = NULL;
1330}
1331
18e1311e
CC		 1332static void asus_rfkill_exit(struct asus_laptop *asus)
1333{
40969c7d
CC		 1334 asus_rfkill_terminate(&asus->wwan);
1335 asus_rfkill_terminate(&asus->bluetooth);
1336 asus_rfkill_terminate(&asus->wlan);
1337 asus_rfkill_terminate(&asus->gps);
18e1311e
CC		 1338}
1339
774b0678
CC		 1340static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1341 const char *name, int control_id, int type,
1342 const struct rfkill_ops *ops)
18e1311e
CC		 1343{
1344 int result;
1345
774b0678
CC		 1346 rfk->control_id = control_id;
1347 rfk->asus = asus;
1348 rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
1349 type, ops, rfk);
1350 if (!rfk->rfkill)
18e1311e
CC		 1351 return -EINVAL;
1352
774b0678 1353 result = rfkill_register(rfk->rfkill);
18e1311e 1354 if (result) {
774b0678
CC		 1355 rfkill_destroy(rfk->rfkill);
1356 rfk->rfkill = NULL;
18e1311e
CC		 1357 }
1358
1359 return result;
1360}
1361
774b0678
CC		 1362static int asus_rfkill_init(struct asus_laptop *asus)
1363{
1364 int result = 0;
1365
3c8671ff
CC		 1366 if (asus->is_pega_lucid)
1367 return -ENODEV;
1368
774b0678
CC		 1369 if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
1370 !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
1371 !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
1372 result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
1373 -1, RFKILL_TYPE_GPS,
1374 &asus_gps_rfkill_ops);
1375 if (result)
1376 goto exit;
1377
1378
26594dd4
CC		 1379 if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
1380 asus->wled_type == TYPE_RFKILL)
774b0678
CC		 1381 result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
1382 WL_RSTS, RFKILL_TYPE_WLAN,
1383 &asus_rfkill_ops);
1384 if (result)
1385 goto exit;
1386
26594dd4
CC		 1387 if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
1388 asus->bled_type == TYPE_RFKILL)
774b0678
CC		 1389 result = asus_rfkill_setup(asus, &asus->bluetooth,
1390 "asus-bluetooth", BT_RSTS,
1391 RFKILL_TYPE_BLUETOOTH,
1392 &asus_rfkill_ops);
1393 if (result)
1394 goto exit;
1395
3c8671ff
CC		 1396 if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
1397 result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
1398 WW_RSTS, RFKILL_TYPE_WWAN,
1399 &asus_rfkill_ops);
1400 if (result)
1401 goto exit;
1402
1403 if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
1404 result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
1405 WM_RSTS, RFKILL_TYPE_WIMAX,
1406 &asus_rfkill_ops);
1407 if (result)
1408 goto exit;
1409
774b0678
CC		 1410exit:
1411 if (result)
1412 asus_rfkill_exit(asus);
1413
1414 return result;
1415}
1416
14908399
AA		 1417static int pega_rfkill_set(void *data, bool blocked)
1418{
40969c7d 1419 struct asus_rfkill *rfk = data;
14908399 1420
40969c7d 1421 int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);
14908399
AA		 1422 return ret;
1423}
1424
1425static const struct rfkill_ops pega_rfkill_ops = {
1426 .set_block = pega_rfkill_set,
1427};
1428
40969c7d
CC		 1429static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1430 const char *name, int controlid, int rfkill_type)
14908399 1431{
774b0678
CC		 1432 return asus_rfkill_setup(asus, rfk, name, controlid, rfkill_type,
1433 &pega_rfkill_ops);
14908399
AA		 1434}
1435
1436static int pega_rfkill_init(struct asus_laptop *asus)
1437{
1438 int ret = 0;
1439
1440 if(!asus->is_pega_lucid)
1441 return -ENODEV;
1442
40969c7d
CC		 1443 ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",
1444 PEGA_WLAN, RFKILL_TYPE_WLAN);
14908399 1445 if(ret)
40969c7d
CC		 1446 goto exit;
1447
1448 ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",
1449 PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
14908399 1450 if(ret)
40969c7d 1451 goto exit;
14908399 1452
40969c7d
CC		 1453 ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",
1454 PEGA_WWAN, RFKILL_TYPE_WWAN);
1455
1456exit:
1457 if (ret)
1458 asus_rfkill_exit(asus);
14908399
AA		 1459
1460 return ret;
1461}
1462
034ce90a 1463/*
be4ee82d 1464 * Input device (i.e. hotkeys)
034ce90a 1465 */
be4ee82d
CC		 1466static void asus_input_notify(struct asus_laptop *asus, int event)
1467{
e0ac9133
CC		 1468 if (!asus->inputdev)
1469 return ;
1470 if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
1471 pr_info("Unknown key %x pressed\n", event);
be4ee82d
CC		 1472}
1473
1474static int asus_input_init(struct asus_laptop *asus)
1475{
66a71dd1
CC		 1476 struct input_dev *input;
1477 int error;
be4ee82d 1478
66a71dd1 1479 input = input_allocate_device();
b222cca6 1480 if (!input)
45036ae1 1481 return -ENOMEM;
b222cca6 1482
66a71dd1
CC		 1483 input->name = "Asus Laptop extra buttons";
1484 input->phys = ASUS_LAPTOP_FILE "/input0";
1485 input->id.bustype = BUS_HOST;
1486 input->dev.parent = &asus->platform_device->dev;
66a71dd1
CC		 1487
1488 error = sparse_keymap_setup(input, asus_keymap, NULL);
1489 if (error) {
1490 pr_err("Unable to setup input device keymap\n");
45036ae1 1491 goto err_free_dev;
be4ee82d 1492 }
66a71dd1
CC		 1493 error = input_register_device(input);
1494 if (error) {
40969c7d 1495 pr_warn("Unable to register input device\n");
f118b312 1496 goto err_free_dev;
be4ee82d 1497 }
66a71dd1
CC		 1498
1499 asus->inputdev = input;
1500 return 0;
1501
45036ae1 1502err_free_dev:
66a71dd1
CC		 1503 input_free_device(input);
1504 return error;
be4ee82d
CC		 1505}
1506
1507static void asus_input_exit(struct asus_laptop *asus)
1508{
f118b312 1509 if (asus->inputdev)
be4ee82d 1510 input_unregister_device(asus->inputdev);
71e687dc 1511 asus->inputdev = NULL;
be4ee82d
CC		 1512}
1513
1514/*
1515 * ACPI driver
1516 */
600ad520 1517static void asus_acpi_notify(struct acpi_device *device, u32 event)
85091b71 1518{
9129d14d 1519 struct asus_laptop *asus = acpi_driver_data(device);
6050c8dd 1520 u16 count;
034ce90a 1521
619d8b11 1522 /* TODO Find a better way to handle events count. */
50a90c4d 1523 count = asus->event_count[event % 128]++;
50a90c4d
CC		 1524 acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
1525 dev_name(&asus->device->dev), event,
6050c8dd 1526 count);
85091b71 1527
2740e1bd
CC		 1528 if (event >= ATKD_BRNUP_MIN && event <= ATKD_BRNUP_MAX)
1529 event = ATKD_BRNUP;
1530 else if (event >= ATKD_BRNDOWN_MIN &&
1531 event <= ATKD_BRNDOWN_MAX)
1532 event = ATKD_BRNDOWN;
a539df5e 1533
2740e1bd
CC		 1534 /* Brightness events are special */
1535 if (event == ATKD_BRNDOWN || event == ATKD_BRNUP) {
a539df5e
CC		 1536 if (asus->backlight_device != NULL) {
1537 /* Update the backlight device. */
1538 asus_backlight_notify(asus);
2740e1bd 1539 return ;
a539df5e 1540 }
a539df5e 1541 }
b93f8281
AA		 1542
1543 /* Accelerometer "coarse orientation change" event */
1544 if (asus->pega_accel_poll && event == 0xEA) {
2011176d 1545 kobject_uevent(&asus->pega_accel_poll->dev.kobj, KOBJ_CHANGE);
b93f8281
AA		 1546 return ;
1547 }
1548
be4ee82d 1549 asus_input_notify(asus, event);
85091b71
CC		 1550}
1551
ac9b1e5b
DT		 1552static struct attribute *asus_attributes[] = {
1553 &dev_attr_infos.attr,
1554 &dev_attr_wlan.attr,
1555 &dev_attr_bluetooth.attr,
ba1ff5be
CC		 1556 &dev_attr_wimax.attr,
1557 &dev_attr_wwan.attr,
ac9b1e5b
DT		 1558 &dev_attr_display.attr,
1559 &dev_attr_ledd.attr,
33989ba6 1560 &dev_attr_ls_value.attr,
ac9b1e5b
DT		 1561 &dev_attr_ls_level.attr,
1562 &dev_attr_ls_switch.attr,
1563 &dev_attr_gps.attr,
1564 NULL
1565};
2a1fd64c 1566
587a1f16 1567static umode_t asus_sysfs_is_visible(struct kobject *kobj,
ac9b1e5b
DT		 1568 struct attribute *attr,
1569 int idx)
2a1fd64c 1570{
70505a71 1571 struct device *dev = kobj_to_dev(kobj);
d605ca29 1572 struct asus_laptop *asus = dev_get_drvdata(dev);
ac9b1e5b
DT		 1573 acpi_handle handle = asus->handle;
1574 bool supported;
1575
33989ba6
AR		 1576 if (asus->is_pega_lucid) {
1577 /* no ls_level interface on the Lucid */
1578 if (attr == &dev_attr_ls_switch.attr)
1579 supported = true;
1580 else if (attr == &dev_attr_ls_level.attr)
1581 supported = false;
1582 else
1583 goto normal;
1584
03070e7c 1585 return supported ? attr->mode : 0;
33989ba6
AR		 1586 }
1587
1588normal:
ac9b1e5b
DT		 1589 if (attr == &dev_attr_wlan.attr) {
1590 supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
1591
1592 } else if (attr == &dev_attr_bluetooth.attr) {
1593 supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
1594
1595 } else if (attr == &dev_attr_display.attr) {
1596 supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
1597
ba1ff5be
CC		 1598 } else if (attr == &dev_attr_wimax.attr) {
1599 supported =
1600 !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
1601
1602 } else if (attr == &dev_attr_wwan.attr) {
1603 supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
1604
ac9b1e5b
DT		 1605 } else if (attr == &dev_attr_ledd.attr) {
1606 supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
1607
1608 } else if (attr == &dev_attr_ls_switch.attr ||
1609 attr == &dev_attr_ls_level.attr) {
1610 supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
33989ba6
AR		 1611 !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
1612 } else if (attr == &dev_attr_ls_value.attr) {
1613 supported = asus->is_pega_lucid;
ac9b1e5b
DT		 1614 } else if (attr == &dev_attr_gps.attr) {
1615 supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
1616 !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
1617 !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
1618 } else {
1619 supported = true;
2a1fd64c
CC		 1620 }
1621
ac9b1e5b
DT		 1622 return supported ? attr->mode : 0;
1623}
2a1fd64c 1624
2a1fd64c 1625
ac9b1e5b
DT		 1626static const struct attribute_group asus_attr_group = {
1627 .is_visible = asus_sysfs_is_visible,
1628 .attrs = asus_attributes,
1629};
85091b71 1630
9129d14d 1631static int asus_platform_init(struct asus_laptop *asus)
600ad520 1632{
71e687dc 1633 int result;
600ad520 1634
8d05fc03 1635 asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, PLATFORM_DEVID_NONE);
50a90c4d 1636 if (!asus->platform_device)
600ad520 1637 return -ENOMEM;
9129d14d 1638 platform_set_drvdata(asus->platform_device, asus);
600ad520 1639
71e687dc
CC		 1640 result = platform_device_add(asus->platform_device);
1641 if (result)
600ad520
CC		 1642 goto fail_platform_device;
1643
ac9b1e5b
DT		 1644 result = sysfs_create_group(&asus->platform_device->dev.kobj,
1645 &asus_attr_group);
71e687dc 1646 if (result)
600ad520 1647 goto fail_sysfs;
ac9b1e5b 1648
600ad520
CC		 1649 return 0;
1650
1651fail_sysfs:
50a90c4d 1652 platform_device_del(asus->platform_device);
600ad520 1653fail_platform_device:
50a90c4d 1654 platform_device_put(asus->platform_device);
71e687dc 1655 return result;
600ad520
CC		 1656}
1657
9129d14d 1658static void asus_platform_exit(struct asus_laptop *asus)
600ad520 1659{
ac9b1e5b 1660 sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);
50a90c4d 1661 platform_device_unregister(asus->platform_device);
600ad520
CC		 1662}
1663
1664static struct platform_driver platform_driver = {
8def05fa 1665 .driver = {
9129d14d 1666 .name = ASUS_LAPTOP_FILE,
b23910c2 1667 },
85091b71
CC		 1668};
1669
85091b71 1670/*
50a90c4d
CC		 1671 * This function is used to initialize the context with right values. In this
1672 * method, we can make all the detection we want, and modify the asus_laptop
1673 * struct
85091b71 1674 */
7c247645 1675static int asus_laptop_get_info(struct asus_laptop *asus)
85091b71
CC		 1676{
1677 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
85091b71 1678 union acpi_object *model = NULL;
cb7da022 1679 unsigned long long bsts_result;
85091b71
CC		 1680 char *string = NULL;
1681 acpi_status status;
1682
1683 /*
1684 * Get DSDT headers early enough to allow for differentiating between
1685 * models, but late enough to allow acpi_bus_register_driver() to fail
1686 * before doing anything ACPI-specific. Should we encounter a machine,
1687 * which needs special handling (i.e. its hotkey device has a different
7c247645 1688 * HID), this bit will be moved.
85091b71 1689 */
7c247645 1690 status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
85091b71 1691 if (ACPI_FAILURE(status))
5ad77dcf 1692 pr_warn("Couldn't get the DSDT table header\n");
85091b71
CC		 1693
1694 /* We have to write 0 on init this far for all ASUS models */
50a90c4d 1695 if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
2fcc23da 1696 pr_err("Hotkey initialization failed\n");
85091b71
CC		 1697 return -ENODEV;
1698 }
1699
1700 /* This needs to be called for some laptops to init properly */
9a816850 1701 status =
50a90c4d 1702 acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
9a816850 1703 if (ACPI_FAILURE(status))
5ad77dcf 1704 pr_warn("Error calling BSTS\n");
85091b71 1705 else if (bsts_result)
2fcc23da 1706 pr_notice("BSTS called, 0x%02x returned\n",
9a816850 1707 (uint) bsts_result);
85091b71 1708
185e5af9 1709 /* This too ... */
e5593bf1
CC		 1710 if (write_acpi_int(asus->handle, "CWAP", wapf))
1711 pr_err("Error calling CWAP(%d)\n", wapf);
85091b71
CC		 1712 /*
1713 * Try to match the object returned by INIT to the specific model.
1714 * Handle every possible object (or the lack of thereof) the DSDT
1715 * writers might throw at us. When in trouble, we pass NULL to
1716 * asus_model_match() and try something completely different.
1717 */
1718 if (buffer.pointer) {
1719 model = buffer.pointer;
1720 switch (model->type) {
1721 case ACPI_TYPE_STRING:
1722 string = model->string.pointer;
1723 break;
1724 case ACPI_TYPE_BUFFER:
1725 string = model->buffer.pointer;
1726 break;
1727 default:
1728 string = "";
1729 break;
1730 }
1731 }
50a90c4d 1732 asus->name = kstrdup(string, GFP_KERNEL);
d8eca110
AL		 1733 if (!asus->name) {
1734 kfree(buffer.pointer);
85091b71 1735 return -ENOMEM;
d8eca110 1736 }
85091b71 1737
9f897484 1738 if (string)
2fcc23da 1739 pr_notice(" %s model detected\n", string);
85091b71 1740
d99b577c 1741 if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
aa9df930 1742 asus->have_rsts = true;
4564de17 1743
85091b71
CC		 1744 kfree(model);
1745
1746 return AE_OK;
1747}
1748
b859f159 1749static int asus_acpi_init(struct asus_laptop *asus)
85091b71 1750{
600ad520 1751 int result = 0;
85091b71 1752
50a90c4d 1753 result = acpi_bus_get_status(asus->device);
600ad520 1754 if (result)
85091b71 1755 return result;
50a90c4d 1756 if (!asus->device->status.present) {
600ad520 1757 pr_err("Hotkey device not present, aborting\n");
85091b71
CC		 1758 return -ENODEV;
1759 }
1760
7c247645 1761 result = asus_laptop_get_info(asus);
034ce90a 1762 if (result)
600ad520 1763 return result;
034ce90a 1764
774b0678
CC		 1765 if (!strcmp(bled_type, "led"))
1766 asus->bled_type = TYPE_LED;
1767 else if (!strcmp(bled_type, "rfkill"))
1768 asus->bled_type = TYPE_RFKILL;
1769
1770 if (!strcmp(wled_type, "led"))
1771 asus->wled_type = TYPE_LED;
1772 else if (!strcmp(wled_type, "rfkill"))
1773 asus->wled_type = TYPE_RFKILL;
1774
be4ee82d 1775 if (bluetooth_status >= 0)
e5593bf1
CC		 1776 asus_bluetooth_set(asus, !!bluetooth_status);
1777
d0930a2d
CC		 1778 if (wlan_status >= 0)
1779 asus_wlan_set(asus, !!wlan_status);
85091b71 1780
ba1ff5be
CC		 1781 if (wimax_status >= 0)
1782 asus_wimax_set(asus, !!wimax_status);
1783
1784 if (wwan_status >= 0)
1785 asus_wwan_set(asus, !!wwan_status);
1786
600ad520 1787 /* Keyboard Backlight is on by default */
d99b577c 1788 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
4d441513 1789 asus_kled_set(asus, 1);
600ad520
CC		 1790
1791 /* LED display is off by default */
50a90c4d 1792 asus->ledd_status = 0xFFF;
600ad520
CC		 1793
1794 /* Set initial values of light sensor and level */
abec04db 1795 asus->light_switch = !!als_status;
be4ee82d 1796 asus->light_level = 5; /* level 5 for sensor sensitivity */
600ad520 1797
33989ba6
AR		 1798 if (asus->is_pega_lucid) {
1799 asus_als_switch(asus, asus->light_switch);
1800 } else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
1801 !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
4d441513 1802 asus_als_switch(asus, asus->light_switch);
4d441513 1803 asus_als_level(asus, asus->light_level);
d99b577c 1804 }
600ad520 1805
600ad520
CC		 1806 return result;
1807}
1808
b859f159 1809static void asus_dmi_check(void)
af96f877
CC		 1810{
1811 const char *model;
1812
1813 model = dmi_get_system_info(DMI_PRODUCT_NAME);
1814 if (!model)
1815 return;
1816
1817 /* On L1400B WLED control the sound card, don't mess with it ... */
3799b5d2 1818 if (strncmp(model, "L1400B", 6) == 0)
af96f877 1819 wlan_status = -1;
af96f877
CC		 1820}
1821
71e687dc
CC		 1822static bool asus_device_present;
1823
b859f159 1824static int asus_acpi_add(struct acpi_device *device)
600ad520 1825{
9129d14d 1826 struct asus_laptop *asus;
600ad520
CC		 1827 int result;
1828
1829 pr_notice("Asus Laptop Support version %s\n",
1830 ASUS_LAPTOP_VERSION);
50a90c4d
CC		 1831 asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL);
1832 if (!asus)
600ad520 1833 return -ENOMEM;
50a90c4d
CC		 1834 asus->handle = device->handle;
1835 strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME);
1836 strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS);
1837 device->driver_data = asus;
1838 asus->device = device;
600ad520 1839
af96f877
CC		 1840 asus_dmi_check();
1841
9129d14d 1842 result = asus_acpi_init(asus);
8def05fa 1843 if (result)
600ad520 1844 goto fail_platform;
85091b71 1845
600ad520 1846 /*
8819de7f
AR		 1847 * Need platform type detection first, then the platform
1848 * device. It is used as a parent for the sub-devices below.
600ad520 1849 */
8819de7f 1850 asus->is_pega_lucid = asus_check_pega_lucid(asus);
9129d14d 1851 result = asus_platform_init(asus);
116bf2e0 1852 if (result)
600ad520 1853 goto fail_platform;
116bf2e0 1854
8b9e6b70 1855 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
9129d14d 1856 result = asus_backlight_init(asus);
116bf2e0
CC		 1857 if (result)
1858 goto fail_backlight;
8b9e6b70 1859 }
116bf2e0 1860
9129d14d 1861 result = asus_input_init(asus);
600ad520
CC		 1862 if (result)
1863 goto fail_input;
1864
9129d14d 1865 result = asus_led_init(asus);
600ad520
CC		 1866 if (result)
1867 goto fail_led;
1868
18e1311e 1869 result = asus_rfkill_init(asus);
3c8671ff 1870 if (result && result != -ENODEV)
18e1311e
CC		 1871 goto fail_rfkill;
1872
b23910c2
AR		 1873 result = pega_accel_init(asus);
1874 if (result && result != -ENODEV)
1875 goto fail_pega_accel;
1876
14908399
AA		 1877 result = pega_rfkill_init(asus);
1878 if (result && result != -ENODEV)
1879 goto fail_pega_rfkill;
1880
600ad520 1881 asus_device_present = true;
8def05fa 1882 return 0;
85091b71 1883
14908399
AA		 1884fail_pega_rfkill:
1885 pega_accel_exit(asus);
b23910c2
AR		 1886fail_pega_accel:
1887 asus_rfkill_exit(asus);
18e1311e
CC		 1888fail_rfkill:
1889 asus_led_exit(asus);
600ad520 1890fail_led:
9129d14d 1891 asus_input_exit(asus);
600ad520 1892fail_input:
9129d14d 1893 asus_backlight_exit(asus);
116bf2e0 1894fail_backlight:
9129d14d 1895 asus_platform_exit(asus);
600ad520 1896fail_platform:
50a90c4d 1897 kfree(asus);
116bf2e0 1898
600ad520
CC		 1899 return result;
1900}
116bf2e0 1901
6c0eb5ba 1902static void asus_acpi_remove(struct acpi_device *device)
600ad520 1903{
9129d14d
CC		 1904 struct asus_laptop *asus = acpi_driver_data(device);
1905
1906 asus_backlight_exit(asus);
18e1311e 1907 asus_rfkill_exit(asus);
9129d14d
CC		 1908 asus_led_exit(asus);
1909 asus_input_exit(asus);
b23910c2 1910 pega_accel_exit(asus);
9129d14d 1911 asus_platform_exit(asus);
600ad520 1912
50a90c4d
CC		 1913 kfree(asus->name);
1914 kfree(asus);
600ad520
CC		 1915}
1916
1917static const struct acpi_device_id asus_device_ids[] = {
1918 {"ATK0100", 0},
1919 {"ATK0101", 0},
1920 {"", 0},
1921};
1922MODULE_DEVICE_TABLE(acpi, asus_device_ids);
85091b71 1923
600ad520 1924static struct acpi_driver asus_acpi_driver = {
50a90c4d
CC		 1925 .name = ASUS_LAPTOP_NAME,
1926 .class = ASUS_LAPTOP_CLASS,
600ad520
CC		 1927 .ids = asus_device_ids,
1928 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
1929 .ops = {
1930 .add = asus_acpi_add,
1931 .remove = asus_acpi_remove,
1932 .notify = asus_acpi_notify,
1933 },
1934};
85091b71 1935
600ad520
CC		 1936static int __init asus_laptop_init(void)
1937{
1938 int result;
85091b71 1939
600ad520
CC		 1940 result = platform_driver_register(&platform_driver);
1941 if (result < 0)
1942 return result;
034ce90a 1943
600ad520
CC		 1944 result = acpi_bus_register_driver(&asus_acpi_driver);
1945 if (result < 0)
1946 goto fail_acpi_driver;
1947 if (!asus_device_present) {
1948 result = -ENODEV;
1949 goto fail_no_device;
1950 }
1951 return 0;
85091b71 1952
600ad520
CC		 1953fail_no_device:
1954 acpi_bus_unregister_driver(&asus_acpi_driver);
1955fail_acpi_driver:
1956 platform_driver_unregister(&platform_driver);
85091b71
CC		 1957 return result;
1958}
1959
600ad520
CC		 1960static void __exit asus_laptop_exit(void)
1961{
1962 acpi_bus_unregister_driver(&asus_acpi_driver);
1963 platform_driver_unregister(&platform_driver);
1964}
1965
85091b71
CC		 1966module_init(asus_laptop_init);
1967module_exit(asus_laptop_exit);
Linux 6.x block layer and io_uring tree(s)