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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net...
[deliverable/linux.git] / drivers / platform / x86 / asus-laptop.c
CommitLineData
85091b71
CC		 1/*
2 * asus-laptop.c - Asus Laptop Support
3 *
4 *
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
CC		 8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 *
24 * The development page for this driver is located at
25 * http://sourceforge.net/projects/acpi4asus/
26 *
27 * Credits:
28 * Pontus Fuchs - Helper functions, cleanup
29 * Johann Wiesner - Small compile fixes
30 * John Belmonte - ACPI code for Toshiba laptop was a good starting point.
31 * Eric Burghard - LED display support for W1N
32 * Josh Green - Light Sens support
c8440336 33 * Thomas Tuttle - His first patch for led support was very helpful
e539c2f6 34 * Sam Lin - GPS support
85091b71
CC		 35 */
36
2fcc23da
CC		 37#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
38
85091b71
CC		 39#include <linux/kernel.h>
40#include <linux/module.h>
41#include <linux/init.h>
42#include <linux/types.h>
43#include <linux/err.h>
44#include <linux/proc_fs.h>
6b7091e7
CC		 45#include <linux/backlight.h>
46#include <linux/fb.h>
be18cdab 47#include <linux/leds.h>
85091b71 48#include <linux/platform_device.h>
060cbce6 49#include <linux/uaccess.h>
034ce90a 50#include <linux/input.h>
66a71dd1 51#include <linux/input/sparse-keymap.h>
8819de7f 52#include <linux/input-polldev.h>
18e1311e 53#include <linux/rfkill.h>
5a0e3ad6 54#include <linux/slab.h>
af96f877 55#include <linux/dmi.h>
060cbce6
CC		 56#include <acpi/acpi_drivers.h>
57#include <acpi/acpi_bus.h>
85091b71 58
91687cc8 59#define ASUS_LAPTOP_VERSION "0.42"
85091b71 60
50a90c4d
CC		 61#define ASUS_LAPTOP_NAME "Asus Laptop Support"
62#define ASUS_LAPTOP_CLASS "hotkey"
63#define ASUS_LAPTOP_DEVICE_NAME "Hotkey"
64#define ASUS_LAPTOP_FILE KBUILD_MODNAME
65#define ASUS_LAPTOP_PREFIX "\\_SB.ATKD."
85091b71 66
85091b71 67MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
50a90c4d 68MODULE_DESCRIPTION(ASUS_LAPTOP_NAME);
85091b71
CC		 69MODULE_LICENSE("GPL");
70
be966660
CC		 71/*
72 * WAPF defines the behavior of the Fn+Fx wlan key
185e5af9
CC		 73 * The significance of values is yet to be found, but
74 * most of the time:
fddbfed5
CC		 75 * Bit | Bluetooth | WLAN
76 * 0 | Hardware | Hardware
77 * 1 | Hardware | Software
78 * 4 | Software | Software
185e5af9
CC		 79 */
80static uint wapf = 1;
c26d85cb 81module_param(wapf, uint, 0444);
185e5af9
CC		 82MODULE_PARM_DESC(wapf, "WAPF value");
83
774b0678
CC		 84static char *wled_type = "unknown";
85static char *bled_type = "unknown";
86
87module_param(wled_type, charp, 0444);
3f5449bf 88MODULE_PARM_DESC(wled_type, "Set the wled type on boot "
774b0678
CC		 89 "(unknown, led or rfkill). "
90 "default is unknown");
91
92module_param(bled_type, charp, 0444);
93MODULE_PARM_DESC(bled_type, "Set the bled type on boot "
94 "(unknown, led or rfkill). "
95 "default is unknown");
96
668f4a03
DC		 97static int wlan_status = 1;
98static int bluetooth_status = 1;
ba1ff5be
CC		 99static int wimax_status = -1;
100static int wwan_status = -1;
abec04db 101static int als_status;
0e875f49 102
c26d85cb 103module_param(wlan_status, int, 0444);
d0930a2d 104MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
0e875f49 105 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 106 "default is -1");
0e875f49 107
c26d85cb 108module_param(bluetooth_status, int, 0444);
0e875f49
CC		 109MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
110 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 111 "default is -1");
0e875f49 112
ba1ff5be
CC		 113module_param(wimax_status, int, 0444);
114MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
115 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 116 "default is -1");
ba1ff5be
CC		 117
118module_param(wwan_status, int, 0444);
119MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
120 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
16cbf933 121 "default is -1");
ba1ff5be 122
abec04db
AR		 123module_param(als_status, int, 0444);
124MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
125 "(0 = disabled, 1 = enabled). "
126 "default is 0");
127
be4ee82d
CC		 128/*
129 * Some events we use, same for all Asus
130 */
2740e1bd
CC		 131#define ATKD_BRNUP_MIN 0x10
132#define ATKD_BRNUP_MAX 0x1f
133#define ATKD_BRNDOWN_MIN 0x20
134#define ATKD_BRNDOWN_MAX 0x2f
135#define ATKD_BRNDOWN 0x20
136#define ATKD_BRNUP 0x2f
be4ee82d
CC		 137#define ATKD_LCD_ON 0x33
138#define ATKD_LCD_OFF 0x34
139
140/*
141 * Known bits returned by \_SB.ATKD.HWRS
142 */
143#define WL_HWRS 0x80
144#define BT_HWRS 0x100
145
146/*
147 * Flags for hotk status
148 * WL_ON and BT_ON are also used for wireless_status()
149 */
17e78f62
CC		 150#define WL_RSTS 0x01 /* internal Wifi */
151#define BT_RSTS 0x02 /* internal Bluetooth */
ba1ff5be
CC		 152#define WM_RSTS 0x08 /* internal wimax */
153#define WW_RSTS 0x20 /* internal wwan */
be4ee82d 154
774b0678
CC		 155/* WLED and BLED type */
156#define TYPE_UNKNOWN 0
157#define TYPE_LED 1
158#define TYPE_RFKILL 2
159
be18cdab 160/* LED */
d99b577c
CC		 161#define METHOD_MLED "MLED"
162#define METHOD_TLED "TLED"
163#define METHOD_RLED "RLED" /* W1JC */
164#define METHOD_PLED "PLED" /* A7J */
165#define METHOD_GLED "GLED" /* G1, G2 (probably) */
be18cdab 166
722ad971 167/* LEDD */
d99b577c 168#define METHOD_LEDD "SLCM"
722ad971 169
be966660
CC		 170/*
171 * Bluetooth and WLAN
4564de17
CC		 172 * WLED and BLED are not handled like other XLED, because in some dsdt
173 * they also control the WLAN/Bluetooth device.
174 */
d99b577c
CC		 175#define METHOD_WLAN "WLED"
176#define METHOD_BLUETOOTH "BLED"
ba1ff5be
CC		 177
178/* WWAN and WIMAX */
179#define METHOD_WWAN "GSMC"
180#define METHOD_WIMAX "WMXC"
181
d99b577c 182#define METHOD_WL_STATUS "RSTS"
4564de17 183
6b7091e7 184/* Brightness */
d99b577c
CC		 185#define METHOD_BRIGHTNESS_SET "SPLV"
186#define METHOD_BRIGHTNESS_GET "GPLV"
6b7091e7 187
78127b4a 188/* Display */
d99b577c 189#define METHOD_SWITCH_DISPLAY "SDSP"
060cbce6 190
d99b577c
CC		 191#define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */
192#define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */
8b857353 193
e539c2f6
CC		 194/* GPS */
195/* R2H use different handle for GPS on/off */
d99b577c
CC		 196#define METHOD_GPS_ON "SDON"
197#define METHOD_GPS_OFF "SDOF"
198#define METHOD_GPS_STATUS "GPST"
e539c2f6 199
b7d3fbc2 200/* Keyboard light */
d99b577c
CC		 201#define METHOD_KBD_LIGHT_SET "SLKB"
202#define METHOD_KBD_LIGHT_GET "GLKB"
b7d3fbc2 203
8819de7f
AR		 204/* For Pegatron Lucid tablet */
205#define DEVICE_NAME_PEGA "Lucid"
33989ba6 206
8819de7f
AR		 207#define METHOD_PEGA_ENABLE "ENPR"
208#define METHOD_PEGA_DISABLE "DAPR"
14908399
AA		 209#define PEGA_WLAN 0x00
210#define PEGA_BLUETOOTH 0x01
211#define PEGA_WWAN 0x02
33989ba6
AR		 212#define PEGA_ALS 0x04
213#define PEGA_ALS_POWER 0x05
214
8819de7f 215#define METHOD_PEGA_READ "RDLN"
33989ba6
AR		 216#define PEGA_READ_ALS_H 0x02
217#define PEGA_READ_ALS_L 0x03
8819de7f 218
b23910c2
AR		 219#define PEGA_ACCEL_NAME "pega_accel"
220#define PEGA_ACCEL_DESC "Pegatron Lucid Tablet Accelerometer"
221#define METHOD_XLRX "XLRX"
222#define METHOD_XLRY "XLRY"
223#define METHOD_XLRZ "XLRZ"
224#define PEGA_ACC_CLAMP 512 /* 1G accel is reported as ~256, so clamp to 2G */
225#define PEGA_ACC_RETRIES 3
226
9129d14d
CC		 227/*
228 * Define a specific led structure to keep the main structure clean
229 */
aee0afb8
CC		 230struct asus_led {
231 int wk;
232 struct work_struct work;
233 struct led_classdev led;
234 struct asus_laptop *asus;
235 const char *method;
9129d14d
CC		 236};
237
14908399
AA		 238/*
239 * Same thing for rfkill
240 */
40969c7d 241struct asus_rfkill {
774b0678
CC		 242 /* type of control. Maps to PEGA_* values or *_RSTS */
243 int control_id;
14908399
AA		 244 struct rfkill *rfkill;
245 struct asus_laptop *asus;
246};
247
85091b71
CC		 248/*
249 * This is the main structure, we can use it to store anything interesting
250 * about the hotk device
251 */
50a90c4d 252struct asus_laptop {
be966660 253 char *name; /* laptop name */
600ad520 254
7c247645 255 struct acpi_table_header *dsdt_info;
600ad520 256 struct platform_device *platform_device;
7c247645
CC		 257 struct acpi_device *device; /* the device we are in */
258 struct backlight_device *backlight_device;
9129d14d 259
7c247645 260 struct input_dev *inputdev;
9129d14d 261 struct key_entry *keymap;
b23910c2 262 struct input_polled_dev *pega_accel_poll;
9129d14d 263
774b0678
CC		 264 struct asus_led wled;
265 struct asus_led bled;
aee0afb8
CC		 266 struct asus_led mled;
267 struct asus_led tled;
268 struct asus_led rled;
269 struct asus_led pled;
270 struct asus_led gled;
271 struct asus_led kled;
272 struct workqueue_struct *led_workqueue;
7c247645 273
774b0678
CC		 274 int wled_type;
275 int bled_type;
aa9df930
CC		 276 int wireless_status;
277 bool have_rsts;
8819de7f 278 bool is_pega_lucid;
b23910c2
AR		 279 bool pega_acc_live;
280 int pega_acc_x;
281 int pega_acc_y;
282 int pega_acc_z;
aa9df930 283
40969c7d
CC		 284 struct asus_rfkill wlan;
285 struct asus_rfkill bluetooth;
286 struct asus_rfkill wwan;
3c8671ff 287 struct asus_rfkill wimax;
40969c7d 288 struct asus_rfkill gps;
14908399 289
be966660 290 acpi_handle handle; /* the handle of the hotk device */
be966660
CC		 291 u32 ledd_status; /* status of the LED display */
292 u8 light_level; /* light sensor level */
293 u8 light_switch; /* light sensor switch value */
294 u16 event_count[128]; /* count for each event TODO make this better */
85091b71
CC		 295};
296
9129d14d 297static const struct key_entry asus_keymap[] = {
a539df5e 298 /* Lenovo SL Specific keycodes */
66a71dd1
CC		 299 {KE_KEY, 0x02, { KEY_SCREENLOCK } },
300 {KE_KEY, 0x05, { KEY_WLAN } },
301 {KE_KEY, 0x08, { KEY_F13 } },
a2d5dd24 302 {KE_KEY, 0x09, { KEY_PROG2 } }, /* Dock */
66a71dd1
CC		 303 {KE_KEY, 0x17, { KEY_ZOOM } },
304 {KE_KEY, 0x1f, { KEY_BATTERY } },
a539df5e 305 /* End of Lenovo SL Specific keycodes */
2740e1bd
CC		 306 {KE_KEY, ATKD_BRNDOWN, { KEY_BRIGHTNESSDOWN } },
307 {KE_KEY, ATKD_BRNUP, { KEY_BRIGHTNESSUP } },
66a71dd1
CC		 308 {KE_KEY, 0x30, { KEY_VOLUMEUP } },
309 {KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
310 {KE_KEY, 0x32, { KEY_MUTE } },
a935eaec
CC		 311 {KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
312 {KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
66a71dd1
CC		 313 {KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
314 {KE_KEY, 0x41, { KEY_NEXTSONG } },
a935eaec 315 {KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
66a71dd1 316 {KE_KEY, 0x45, { KEY_PLAYPAUSE } },
a935eaec 317 {KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
66a71dd1
CC		 318 {KE_KEY, 0x50, { KEY_EMAIL } },
319 {KE_KEY, 0x51, { KEY_WWW } },
320 {KE_KEY, 0x55, { KEY_CALC } },
982d385a
CC		 321 {KE_IGNORE, 0x57, }, /* Battery mode */
322 {KE_IGNORE, 0x58, }, /* AC mode */
66a71dd1 323 {KE_KEY, 0x5C, { KEY_SCREENLOCK } }, /* Screenlock */
a935eaec
CC		 324 {KE_KEY, 0x5D, { KEY_WLAN } }, /* WLAN Toggle */
325 {KE_KEY, 0x5E, { KEY_WLAN } }, /* WLAN Enable */
326 {KE_KEY, 0x5F, { KEY_WLAN } }, /* WLAN Disable */
19d3ab12 327 {KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
3da4cd20
AK		 328 {KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
329 {KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
330 {KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
331 {KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
332 {KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
333 {KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
334 {KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
a935eaec 335 {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad */
a2d5dd24
CC		 336 {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */
337 {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */
982d385a 338 {KE_IGNORE, 0x6E, }, /* Low Battery notification */
a935eaec
CC		 339 {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
340 {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
66a71dd1 341 {KE_KEY, 0x82, { KEY_CAMERA } },
a935eaec
CC		 342 {KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
343 {KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
3da4cd20
AK		 344 {KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
345 {KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
346 {KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
347 {KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
348 {KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
349 {KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
350 {KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
351 {KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
66a71dd1
CC		 352 {KE_KEY, 0x95, { KEY_MEDIA } },
353 {KE_KEY, 0x99, { KEY_PHONE } },
3da4cd20
AK		 354 {KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
355 {KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
356 {KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
357 {KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
358 {KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
359 {KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
360 {KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
361 {KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
a935eaec
CC		 362 {KE_KEY, 0xB5, { KEY_CALC } },
363 {KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
364 {KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
034ce90a
CC		 365 {KE_END, 0},
366};
367
66a71dd1 368
85091b71
CC		 369/*
370 * This function evaluates an ACPI method, given an int as parameter, the
371 * method is searched within the scope of the handle, can be NULL. The output
372 * of the method is written is output, which can also be NULL
373 *
f8d1c94b 374 * returns 0 if write is successful, -1 else.
85091b71 375 */
d8c67323
CC		 376static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
377 struct acpi_buffer *output)
85091b71 378{
be966660
CC		 379 struct acpi_object_list params; /* list of input parameters (an int) */
380 union acpi_object in_obj; /* the only param we use */
85091b71
CC		 381 acpi_status status;
382
f8d1c94b 383 if (!handle)
9fb866f3 384 return -1;
f8d1c94b 385
85091b71
CC		 386 params.count = 1;
387 params.pointer = &in_obj;
388 in_obj.type = ACPI_TYPE_INTEGER;
389 in_obj.integer.value = val;
390
391 status = acpi_evaluate_object(handle, (char *)method, &params, output);
f8d1c94b
CC		 392 if (status == AE_OK)
393 return 0;
394 else
395 return -1;
85091b71
CC		 396}
397
d8c67323
CC		 398static int write_acpi_int(acpi_handle handle, const char *method, int val)
399{
400 return write_acpi_int_ret(handle, method, val, NULL);
401}
402
d99b577c
CC		 403static int acpi_check_handle(acpi_handle handle, const char *method,
404 acpi_handle *ret)
405{
406 acpi_status status;
407
408 if (method == NULL)
409 return -ENODEV;
410
411 if (ret)
412 status = acpi_get_handle(handle, (char *)method,
413 ret);
414 else {
415 acpi_handle dummy;
416
417 status = acpi_get_handle(handle, (char *)method,
418 &dummy);
419 }
420
421 if (status != AE_OK) {
422 if (ret)
5ad77dcf 423 pr_warn("Error finding %s\n", method);
d99b577c
CC		 424 return -ENODEV;
425 }
426 return 0;
427}
428
8819de7f
AR		 429static bool asus_check_pega_lucid(struct asus_laptop *asus)
430{
431 return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
432 !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
433 !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
434 !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
435}
436
33989ba6
AR		 437static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable)
438{
439 char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE;
440 return write_acpi_int(asus->handle, method, unit);
441}
442
b23910c2
AR		 443static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method)
444{
445 int i, delta;
446 unsigned long long val;
447 for (i = 0; i < PEGA_ACC_RETRIES; i++) {
448 acpi_evaluate_integer(asus->handle, method, NULL, &val);
449
450 /* The output is noisy. From reading the ASL
451 * dissassembly, timeout errors are returned with 1's
452 * in the high word, and the lack of locking around
453 * thei hi/lo byte reads means that a transition
454 * between (for example) -1 and 0 could be read as
455 * 0xff00 or 0x00ff. */
456 delta = abs(curr - (short)val);
457 if (delta < 128 && !(val & ~0xffff))
458 break;
459 }
460 return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);
461}
462
463static void pega_accel_poll(struct input_polled_dev *ipd)
464{
465 struct device *parent = ipd->input->dev.parent;
466 struct asus_laptop *asus = dev_get_drvdata(parent);
467
468 /* In some cases, the very first call to poll causes a
469 * recursive fault under the polldev worker. This is
470 * apparently related to very early userspace access to the
471 * device, and perhaps a firmware bug. Fake the first report. */
472 if (!asus->pega_acc_live) {
473 asus->pega_acc_live = true;
474 input_report_abs(ipd->input, ABS_X, 0);
475 input_report_abs(ipd->input, ABS_Y, 0);
476 input_report_abs(ipd->input, ABS_Z, 0);
477 input_sync(ipd->input);
478 return;
479 }
480
481 asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);
482 asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);
483 asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);
484
485 /* Note transform, convert to "right/up/out" in the native
486 * landscape orientation (i.e. the vector is the direction of
487 * "real up" in the device's cartiesian coordinates). */
488 input_report_abs(ipd->input, ABS_X, -asus->pega_acc_x);
489 input_report_abs(ipd->input, ABS_Y, -asus->pega_acc_y);
490 input_report_abs(ipd->input, ABS_Z, asus->pega_acc_z);
491 input_sync(ipd->input);
492}
493
494static void pega_accel_exit(struct asus_laptop *asus)
495{
496 if (asus->pega_accel_poll) {
497 input_unregister_polled_device(asus->pega_accel_poll);
498 input_free_polled_device(asus->pega_accel_poll);
499 }
500 asus->pega_accel_poll = NULL;
501}
502
503static int pega_accel_init(struct asus_laptop *asus)
504{
505 int err;
506 struct input_polled_dev *ipd;
507
508 if (!asus->is_pega_lucid)
509 return -ENODEV;
510
511 if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
512 acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
513 acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
514 return -ENODEV;
515
516 ipd = input_allocate_polled_device();
517 if (!ipd)
518 return -ENOMEM;
519
520 ipd->poll = pega_accel_poll;
521 ipd->poll_interval = 125;
522 ipd->poll_interval_min = 50;
523 ipd->poll_interval_max = 2000;
524
525 ipd->input->name = PEGA_ACCEL_DESC;
526 ipd->input->phys = PEGA_ACCEL_NAME "/input0";
527 ipd->input->dev.parent = &asus->platform_device->dev;
528 ipd->input->id.bustype = BUS_HOST;
529
530 set_bit(EV_ABS, ipd->input->evbit);
531 input_set_abs_params(ipd->input, ABS_X,
532 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
533 input_set_abs_params(ipd->input, ABS_Y,
534 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
535 input_set_abs_params(ipd->input, ABS_Z,
536 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
537
538 err = input_register_polled_device(ipd);
539 if (err)
540 goto exit;
541
542 asus->pega_accel_poll = ipd;
543 return 0;
544
545exit:
546 input_free_polled_device(ipd);
547 return err;
548}
549
17e78f62 550/* Generic LED function */
aee0afb8 551static int asus_led_set(struct asus_laptop *asus, const char *method,
17e78f62 552 int value)
be18cdab 553{
d99b577c 554 if (!strcmp(method, METHOD_MLED))
17e78f62 555 value = !value;
d99b577c 556 else if (!strcmp(method, METHOD_GLED))
17e78f62
CC		 557 value = !value + 1;
558 else
559 value = !!value;
be18cdab 560
e5593bf1 561 return write_acpi_int(asus->handle, method, value);
be18cdab
CC		 562}
563
be4ee82d
CC		 564/*
565 * LEDs
566 */
be18cdab 567/* /sys/class/led handlers */
aee0afb8
CC		 568static void asus_led_cdev_set(struct led_classdev *led_cdev,
569 enum led_brightness value)
570{
571 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
572 struct asus_laptop *asus = led->asus;
573
574 led->wk = !!value;
575 queue_work(asus->led_workqueue, &led->work);
576}
be18cdab 577
aee0afb8
CC		 578static void asus_led_cdev_update(struct work_struct *work)
579{
580 struct asus_led *led = container_of(work, struct asus_led, work);
581 struct asus_laptop *asus = led->asus;
582
583 asus_led_set(asus, led->method, led->wk);
584}
585
586static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev)
587{
588 return led_cdev->brightness;
589}
be18cdab 590
b7d3fbc2 591/*
be4ee82d 592 * Keyboard backlight (also a LED)
b7d3fbc2 593 */
d99b577c 594static int asus_kled_lvl(struct asus_laptop *asus)
b7d3fbc2
CC		 595{
596 unsigned long long kblv;
597 struct acpi_object_list params;
598 union acpi_object in_obj;
599 acpi_status rv;
600
601 params.count = 1;
602 params.pointer = &in_obj;
603 in_obj.type = ACPI_TYPE_INTEGER;
604 in_obj.integer.value = 2;
605
d99b577c
CC		 606 rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,
607 &params, &kblv);
b7d3fbc2 608 if (ACPI_FAILURE(rv)) {
5ad77dcf 609 pr_warn("Error reading kled level\n");
4d441513 610 return -ENODEV;
b7d3fbc2
CC		 611 }
612 return kblv;
613}
614
4d441513 615static int asus_kled_set(struct asus_laptop *asus, int kblv)
b7d3fbc2
CC		 616{
617 if (kblv > 0)
618 kblv = (1 << 7) | (kblv & 0x7F);
619 else
620 kblv = 0;
621
d99b577c 622 if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {
5ad77dcf 623 pr_warn("Keyboard LED display write failed\n");
b7d3fbc2
CC		 624 return -EINVAL;
625 }
626 return 0;
627}
628
aee0afb8
CC		 629static void asus_kled_cdev_set(struct led_classdev *led_cdev,
630 enum led_brightness value)
b7d3fbc2 631{
aee0afb8
CC		 632 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
633 struct asus_laptop *asus = led->asus;
9129d14d 634
060cbce6 635 led->wk = value;
aee0afb8 636 queue_work(asus->led_workqueue, &led->work);
b7d3fbc2
CC		 637}
638
aee0afb8 639static void asus_kled_cdev_update(struct work_struct *work)
b7d3fbc2 640{
aee0afb8
CC		 641 struct asus_led *led = container_of(work, struct asus_led, work);
642 struct asus_laptop *asus = led->asus;
9129d14d 643
aee0afb8 644 asus_kled_set(asus, led->wk);
b7d3fbc2
CC		 645}
646
aee0afb8 647static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
b7d3fbc2 648{
aee0afb8
CC		 649 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
650 struct asus_laptop *asus = led->asus;
d99b577c
CC		 651
652 return asus_kled_lvl(asus);
b7d3fbc2
CC		 653}
654
be4ee82d
CC		 655static void asus_led_exit(struct asus_laptop *asus)
656{
774b0678
CC		 657 if (!IS_ERR_OR_NULL(asus->wled.led.dev))
658 led_classdev_unregister(&asus->wled.led);
659 if (!IS_ERR_OR_NULL(asus->bled.led.dev))
660 led_classdev_unregister(&asus->bled.led);
8fcf71aa 661 if (!IS_ERR_OR_NULL(asus->mled.led.dev))
aee0afb8 662 led_classdev_unregister(&asus->mled.led);
8fcf71aa 663 if (!IS_ERR_OR_NULL(asus->tled.led.dev))
aee0afb8 664 led_classdev_unregister(&asus->tled.led);
8fcf71aa 665 if (!IS_ERR_OR_NULL(asus->pled.led.dev))
aee0afb8 666 led_classdev_unregister(&asus->pled.led);
8fcf71aa 667 if (!IS_ERR_OR_NULL(asus->rled.led.dev))
aee0afb8 668 led_classdev_unregister(&asus->rled.led);
8fcf71aa 669 if (!IS_ERR_OR_NULL(asus->gled.led.dev))
aee0afb8 670 led_classdev_unregister(&asus->gled.led);
8fcf71aa 671 if (!IS_ERR_OR_NULL(asus->kled.led.dev))
aee0afb8
CC		 672 led_classdev_unregister(&asus->kled.led);
673 if (asus->led_workqueue) {
674 destroy_workqueue(asus->led_workqueue);
675 asus->led_workqueue = NULL;
be4ee82d
CC		 676 }
677}
678
679/* Ugly macro, need to fix that later */
aee0afb8
CC		 680static int asus_led_register(struct asus_laptop *asus,
681 struct asus_led *led,
682 const char *name, const char *method)
683{
684 struct led_classdev *led_cdev = &led->led;
685
686 if (!method || acpi_check_handle(asus->handle, method, NULL))
060cbce6 687 return 0; /* Led not present */
aee0afb8
CC		 688
689 led->asus = asus;
690 led->method = method;
691
692 INIT_WORK(&led->work, asus_led_cdev_update);
693 led_cdev->name = name;
694 led_cdev->brightness_set = asus_led_cdev_set;
695 led_cdev->brightness_get = asus_led_cdev_get;
696 led_cdev->max_brightness = 1;
697 return led_classdev_register(&asus->platform_device->dev, led_cdev);
698}
be4ee82d
CC		 699
700static int asus_led_init(struct asus_laptop *asus)
701{
774b0678 702 int r = 0;
be4ee82d 703
8d38e42c
CC		 704 /*
705 * The Pegatron Lucid has no physical leds, but all methods are
706 * available in the DSDT...
707 */
708 if (asus->is_pega_lucid)
709 return 0;
710
be4ee82d
CC		 711 /*
712 * Functions that actually update the LED's are called from a
713 * workqueue. By doing this as separate work rather than when the LED
714 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
715 * potentially bad time, such as a timer interrupt.
716 */
aee0afb8
CC		 717 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
718 if (!asus->led_workqueue)
be4ee82d
CC		 719 return -ENOMEM;
720
774b0678
CC		 721 if (asus->wled_type == TYPE_LED)
722 r = asus_led_register(asus, &asus->wled, "asus::wlan",
723 METHOD_WLAN);
724 if (r)
725 goto error;
726 if (asus->bled_type == TYPE_LED)
727 r = asus_led_register(asus, &asus->bled, "asus::bluetooth",
728 METHOD_BLUETOOTH);
729 if (r)
730 goto error;
aee0afb8
CC		 731 r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
732 if (r)
733 goto error;
734 r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
735 if (r)
736 goto error;
737 r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
738 if (r)
739 goto error;
740 r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
741 if (r)
742 goto error;
743 r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
744 if (r)
745 goto error;
d99b577c 746 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
aee0afb8
CC		 747 !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
748 struct asus_led *led = &asus->kled;
749 struct led_classdev *cdev = &led->led;
750
751 led->asus = asus;
752
753 INIT_WORK(&led->work, asus_kled_cdev_update);
754 cdev->name = "asus::kbd_backlight";
755 cdev->brightness_set = asus_kled_cdev_set;
756 cdev->brightness_get = asus_kled_cdev_get;
757 cdev->max_brightness = 3;
758 r = led_classdev_register(&asus->platform_device->dev, cdev);
759 }
be4ee82d 760error:
aee0afb8 761 if (r)
be4ee82d 762 asus_led_exit(asus);
aee0afb8 763 return r;
be4ee82d
CC		 764}
765
766/*
767 * Backlight device
768 */
4d441513 769static int asus_read_brightness(struct backlight_device *bd)
6b7091e7 770{
d99b577c 771 struct asus_laptop *asus = bl_get_data(bd);
27663c58 772 unsigned long long value;
9a816850 773 acpi_status rv = AE_OK;
6b7091e7 774
d99b577c
CC		 775 rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,
776 NULL, &value);
9a816850 777 if (ACPI_FAILURE(rv))
5ad77dcf 778 pr_warn("Error reading brightness\n");
6b7091e7
CC		 779
780 return value;
781}
782
4d441513 783static int asus_set_brightness(struct backlight_device *bd, int value)
6b7091e7 784{
d99b577c
CC		 785 struct asus_laptop *asus = bl_get_data(bd);
786
787 if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {
5ad77dcf 788 pr_warn("Error changing brightness\n");
e5b50f6a 789 return -EIO;
6b7091e7 790 }
e5b50f6a 791 return 0;
6b7091e7
CC		 792}
793
794static int update_bl_status(struct backlight_device *bd)
795{
599a52d1 796 int value = bd->props.brightness;
6b7091e7 797
3b81cf9d 798 return asus_set_brightness(bd, value);
6b7091e7
CC		 799}
800
acc2472e 801static const struct backlight_ops asusbl_ops = {
4d441513 802 .get_brightness = asus_read_brightness,
be4ee82d
CC		 803 .update_status = update_bl_status,
804};
805
a539df5e
CC		 806static int asus_backlight_notify(struct asus_laptop *asus)
807{
808 struct backlight_device *bd = asus->backlight_device;
809 int old = bd->props.brightness;
810
811 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
812
813 return old;
814}
815
be4ee82d
CC		 816static int asus_backlight_init(struct asus_laptop *asus)
817{
818 struct backlight_device *bd;
a19a6ee6 819 struct backlight_properties props;
be4ee82d 820
71e687dc 821 if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
3b81cf9d 822 acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
71e687dc 823 return 0;
be4ee82d 824
71e687dc
CC		 825 memset(&props, 0, sizeof(struct backlight_properties));
826 props.max_brightness = 15;
bb7ca747 827 props.type = BACKLIGHT_PLATFORM;
be4ee82d 828
71e687dc
CC		 829 bd = backlight_device_register(ASUS_LAPTOP_FILE,
830 &asus->platform_device->dev, asus,
831 &asusbl_ops, &props);
832 if (IS_ERR(bd)) {
833 pr_err("Could not register asus backlight device\n");
834 asus->backlight_device = NULL;
835 return PTR_ERR(bd);
be4ee82d 836 }
71e687dc
CC		 837
838 asus->backlight_device = bd;
839 bd->props.brightness = asus_read_brightness(bd);
840 bd->props.power = FB_BLANK_UNBLANK;
841 backlight_update_status(bd);
be4ee82d
CC		 842 return 0;
843}
844
845static void asus_backlight_exit(struct asus_laptop *asus)
846{
847 if (asus->backlight_device)
848 backlight_device_unregister(asus->backlight_device);
a539df5e 849 asus->backlight_device = NULL;
be4ee82d
CC		 850}
851
85091b71
CC		 852/*
853 * Platform device handlers
854 */
855
856/*
857 * We write our info in page, we begin at offset off and cannot write more
858 * than count bytes. We set eof to 1 if we handle those 2 values. We return the
859 * number of bytes written in page
860 */
861static ssize_t show_infos(struct device *dev,
8def05fa 862 struct device_attribute *attr, char *page)
85091b71 863{
9129d14d 864 struct asus_laptop *asus = dev_get_drvdata(dev);
85091b71 865 int len = 0;
27663c58 866 unsigned long long temp;
be966660 867 char buf[16]; /* enough for all info */
9a816850
CC		 868 acpi_status rv = AE_OK;
869
85091b71 870 /*
060cbce6
CC		 871 * We use the easy way, we don't care of off and count,
872 * so we don't set eof to 1
85091b71
CC		 873 */
874
50a90c4d
CC		 875 len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
876 len += sprintf(page + len, "Model reference : %s\n", asus->name);
85091b71
CC		 877 /*
878 * The SFUN method probably allows the original driver to get the list
879 * of features supported by a given model. For now, 0x0100 or 0x0800
880 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
881 * The significance of others is yet to be found.
882 */
50a90c4d 883 rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
9a816850 884 if (!ACPI_FAILURE(rv))
1d4a3800
CC		 885 len += sprintf(page + len, "SFUN value : %#x\n",
886 (uint) temp);
887 /*
888 * The HWRS method return informations about the hardware.
889 * 0x80 bit is for WLAN, 0x100 for Bluetooth.
cb7da022 890 * 0x40 for WWAN, 0x10 for WIMAX.
1d4a3800 891 * The significance of others is yet to be found.
cb7da022
BH		 892 * We don't currently use this for device detection, and it
893 * takes several seconds to run on some systems.
1d4a3800 894 */
8871e99f 895 rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
1d4a3800 896 if (!ACPI_FAILURE(rv))
8871e99f 897 len += sprintf(page + len, "HWRS value : %#x\n",
9a816850 898 (uint) temp);
85091b71
CC		 899 /*
900 * Another value for userspace: the ASYM method returns 0x02 for
901 * battery low and 0x04 for battery critical, its readings tend to be
902 * more accurate than those provided by _BST.
903 * Note: since not all the laptops provide this method, errors are
904 * silently ignored.
905 */
50a90c4d 906 rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
9a816850 907 if (!ACPI_FAILURE(rv))
1d4a3800 908 len += sprintf(page + len, "ASYM value : %#x\n",
9a816850 909 (uint) temp);
7c247645
CC		 910 if (asus->dsdt_info) {
911 snprintf(buf, 16, "%d", asus->dsdt_info->length);
85091b71 912 len += sprintf(page + len, "DSDT length : %s\n", buf);
7c247645 913 snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
85091b71 914 len += sprintf(page + len, "DSDT checksum : %s\n", buf);
7c247645 915 snprintf(buf, 16, "%d", asus->dsdt_info->revision);
85091b71 916 len += sprintf(page + len, "DSDT revision : %s\n", buf);
7c247645 917 snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
85091b71 918 len += sprintf(page + len, "OEM id : %s\n", buf);
7c247645 919 snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
85091b71 920 len += sprintf(page + len, "OEM table id : %s\n", buf);
7c247645 921 snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
85091b71 922 len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
7c247645 923 snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
85091b71 924 len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
7c247645 925 snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
85091b71
CC		 926 len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
927 }
928
929 return len;
930}
931
932static int parse_arg(const char *buf, unsigned long count, int *val)
933{
934 if (!count)
935 return 0;
936 if (count > 31)
937 return -EINVAL;
938 if (sscanf(buf, "%i", val) != 1)
939 return -EINVAL;
940 return count;
941}
942
17e78f62
CC		 943static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
944 const char *buf, size_t count,
d99b577c 945 const char *method)
4564de17
CC		 946{
947 int rv, value;
948 int out = 0;
949
950 rv = parse_arg(buf, count, &value);
951 if (rv > 0)
952 out = value ? 1 : 0;
953
d99b577c 954 if (write_acpi_int(asus->handle, method, value))
17e78f62 955 return -ENODEV;
4564de17
CC		 956 return rv;
957}
958
722ad971
CC		 959/*
960 * LEDD display
961 */
962static ssize_t show_ledd(struct device *dev,
963 struct device_attribute *attr, char *buf)
964{
9129d14d
CC		 965 struct asus_laptop *asus = dev_get_drvdata(dev);
966
50a90c4d 967 return sprintf(buf, "0x%08x\n", asus->ledd_status);
722ad971
CC		 968}
969
970static ssize_t store_ledd(struct device *dev, struct device_attribute *attr,
971 const char *buf, size_t count)
972{
9129d14d 973 struct asus_laptop *asus = dev_get_drvdata(dev);
722ad971
CC		 974 int rv, value;
975
976 rv = parse_arg(buf, count, &value);
977 if (rv > 0) {
6a984a06 978 if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {
5ad77dcf 979 pr_warn("LED display write failed\n");
6a984a06
AL		 980 return -ENODEV;
981 }
982 asus->ledd_status = (u32) value;
722ad971
CC		 983 }
984 return rv;
985}
986
aa9df930
CC		 987/*
988 * Wireless
989 */
990static int asus_wireless_status(struct asus_laptop *asus, int mask)
991{
992 unsigned long long status;
993 acpi_status rv = AE_OK;
994
995 if (!asus->have_rsts)
996 return (asus->wireless_status & mask) ? 1 : 0;
997
d99b577c
CC		 998 rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,
999 NULL, &status);
aa9df930 1000 if (ACPI_FAILURE(rv)) {
5ad77dcf 1001 pr_warn("Error reading Wireless status\n");
aa9df930
CC		 1002 return -EINVAL;
1003 }
1004 return !!(status & mask);
1005}
1006
4564de17
CC		 1007/*
1008 * WLAN
1009 */
e5593bf1
CC		 1010static int asus_wlan_set(struct asus_laptop *asus, int status)
1011{
1012 if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {
5ad77dcf 1013 pr_warn("Error setting wlan status to %d\n", status);
e5593bf1
CC		 1014 return -EIO;
1015 }
1016 return 0;
1017}
1018
4564de17
CC		 1019static ssize_t show_wlan(struct device *dev,
1020 struct device_attribute *attr, char *buf)
1021{
9129d14d
CC		 1022 struct asus_laptop *asus = dev_get_drvdata(dev);
1023
17e78f62 1024 return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
4564de17
CC		 1025}
1026
1027static ssize_t store_wlan(struct device *dev, struct device_attribute *attr,
1028 const char *buf, size_t count)
1029{
9129d14d
CC		 1030 struct asus_laptop *asus = dev_get_drvdata(dev);
1031
d99b577c 1032 return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
4564de17
CC		 1033}
1034
774b0678 1035/*e
4564de17
CC		 1036 * Bluetooth
1037 */
e5593bf1
CC		 1038static int asus_bluetooth_set(struct asus_laptop *asus, int status)
1039{
1040 if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {
5ad77dcf 1041 pr_warn("Error setting bluetooth status to %d\n", status);
e5593bf1
CC		 1042 return -EIO;
1043 }
1044 return 0;
1045}
1046
4564de17
CC		 1047static ssize_t show_bluetooth(struct device *dev,
1048 struct device_attribute *attr, char *buf)
1049{
9129d14d
CC		 1050 struct asus_laptop *asus = dev_get_drvdata(dev);
1051
17e78f62 1052 return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
4564de17
CC		 1053}
1054
8def05fa
LB		 1055static ssize_t store_bluetooth(struct device *dev,
1056 struct device_attribute *attr, const char *buf,
1057 size_t count)
4564de17 1058{
9129d14d
CC		 1059 struct asus_laptop *asus = dev_get_drvdata(dev);
1060
d99b577c 1061 return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH);
4564de17
CC		 1062}
1063
ba1ff5be
CC		 1064/*
1065 * Wimax
1066 */
1067static int asus_wimax_set(struct asus_laptop *asus, int status)
1068{
1069 if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
5ad77dcf 1070 pr_warn("Error setting wimax status to %d\n", status);
ba1ff5be
CC		 1071 return -EIO;
1072 }
1073 return 0;
1074}
1075
1076static ssize_t show_wimax(struct device *dev,
1077 struct device_attribute *attr, char *buf)
1078{
1079 struct asus_laptop *asus = dev_get_drvdata(dev);
1080
1081 return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
1082}
1083
1084static ssize_t store_wimax(struct device *dev,
1085 struct device_attribute *attr, const char *buf,
1086 size_t count)
1087{
1088 struct asus_laptop *asus = dev_get_drvdata(dev);
1089
1090 return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
1091}
1092
1093/*
1094 * Wwan
1095 */
1096static int asus_wwan_set(struct asus_laptop *asus, int status)
1097{
1098 if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
5ad77dcf 1099 pr_warn("Error setting wwan status to %d\n", status);
ba1ff5be
CC		 1100 return -EIO;
1101 }
1102 return 0;
1103}
1104
1105static ssize_t show_wwan(struct device *dev,
1106 struct device_attribute *attr, char *buf)
1107{
1108 struct asus_laptop *asus = dev_get_drvdata(dev);
1109
1110 return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
1111}
1112
1113static ssize_t store_wwan(struct device *dev,
1114 struct device_attribute *attr, const char *buf,
1115 size_t count)
1116{
1117 struct asus_laptop *asus = dev_get_drvdata(dev);
1118
1119 return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
1120}
1121
78127b4a
CC		 1122/*
1123 * Display
1124 */
4d441513 1125static void asus_set_display(struct asus_laptop *asus, int value)
78127b4a
CC		 1126{
1127 /* no sanity check needed for now */
d99b577c 1128 if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))
5ad77dcf 1129 pr_warn("Error setting display\n");
78127b4a
CC		 1130 return;
1131}
1132
78127b4a
CC		 1133/*
1134 * Experimental support for display switching. As of now: 1 should activate
1135 * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
1136 * Any combination (bitwise) of these will suffice. I never actually tested 4
1137 * displays hooked up simultaneously, so be warned. See the acpi4asus README
1138 * for more info.
1139 */
1140static ssize_t store_disp(struct device *dev, struct device_attribute *attr,
1141 const char *buf, size_t count)
1142{
9129d14d 1143 struct asus_laptop *asus = dev_get_drvdata(dev);
78127b4a
CC		 1144 int rv, value;
1145
1146 rv = parse_arg(buf, count, &value);
1147 if (rv > 0)
4d441513 1148 asus_set_display(asus, value);
78127b4a
CC		 1149 return rv;
1150}
1151
8b857353
CC		 1152/*
1153 * Light Sens
1154 */
4d441513 1155static void asus_als_switch(struct asus_laptop *asus, int value)
8b857353 1156{
33989ba6
AR		 1157 int ret;
1158
1159 if (asus->is_pega_lucid) {
1160 ret = asus_pega_lucid_set(asus, PEGA_ALS, value);
1161 if (!ret)
1162 ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, value);
1163 } else {
1164 ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
1165 }
1166 if (ret)
1167 pr_warning("Error setting light sensor switch\n");
1168
50a90c4d 1169 asus->light_switch = value;
8b857353
CC		 1170}
1171
1172static ssize_t show_lssw(struct device *dev,
1173 struct device_attribute *attr, char *buf)
1174{
9129d14d
CC		 1175 struct asus_laptop *asus = dev_get_drvdata(dev);
1176
50a90c4d 1177 return sprintf(buf, "%d\n", asus->light_switch);
8b857353
CC		 1178}
1179
1180static ssize_t store_lssw(struct device *dev, struct device_attribute *attr,
1181 const char *buf, size_t count)
1182{
9129d14d 1183 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1184 int rv, value;
1185
1186 rv = parse_arg(buf, count, &value);
1187 if (rv > 0)
4d441513 1188 asus_als_switch(asus, value ? 1 : 0);
8b857353
CC		 1189
1190 return rv;
1191}
1192
4d441513 1193static void asus_als_level(struct asus_laptop *asus, int value)
8b857353 1194{
d99b577c 1195 if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))
5ad77dcf 1196 pr_warn("Error setting light sensor level\n");
50a90c4d 1197 asus->light_level = value;
8b857353
CC		 1198}
1199
1200static ssize_t show_lslvl(struct device *dev,
1201 struct device_attribute *attr, char *buf)
1202{
9129d14d
CC		 1203 struct asus_laptop *asus = dev_get_drvdata(dev);
1204
50a90c4d 1205 return sprintf(buf, "%d\n", asus->light_level);
8b857353
CC		 1206}
1207
1208static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr,
1209 const char *buf, size_t count)
1210{
9129d14d 1211 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1212 int rv, value;
1213
1214 rv = parse_arg(buf, count, &value);
1215 if (rv > 0) {
1216 value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
1217 /* 0 <= value <= 15 */
4d441513 1218 asus_als_level(asus, value);
8b857353
CC		 1219 }
1220
1221 return rv;
1222}
1223
33989ba6
AR		 1224static int pega_int_read(struct asus_laptop *asus, int arg, int *result)
1225{
1226 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1227 int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,
1228 &buffer);
1229 if (!err) {
1230 union acpi_object *obj = buffer.pointer;
1231 if (obj && obj->type == ACPI_TYPE_INTEGER)
1232 *result = obj->integer.value;
1233 else
1234 err = -EIO;
1235 }
1236 return err;
1237}
1238
1239static ssize_t show_lsvalue(struct device *dev,
1240 struct device_attribute *attr, char *buf)
1241{
1242 struct asus_laptop *asus = dev_get_drvdata(dev);
1243 int err, hi, lo;
1244
1245 err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);
1246 if (!err)
1247 err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
1248 if (!err)
1249 return sprintf(buf, "%d\n", 10 * hi + lo);
1250 return err;
1251}
1252
e539c2f6
CC		 1253/*
1254 * GPS
1255 */
6358bf2c
CC		 1256static int asus_gps_status(struct asus_laptop *asus)
1257{
1258 unsigned long long status;
1259 acpi_status rv = AE_OK;
1260
d99b577c
CC		 1261 rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,
1262 NULL, &status);
6358bf2c 1263 if (ACPI_FAILURE(rv)) {
5ad77dcf 1264 pr_warn("Error reading GPS status\n");
6358bf2c
CC		 1265 return -ENODEV;
1266 }
1267 return !!status;
1268}
1269
1270static int asus_gps_switch(struct asus_laptop *asus, int status)
1271{
d99b577c 1272 const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF;
6358bf2c 1273
d99b577c 1274 if (write_acpi_int(asus->handle, meth, 0x02))
6358bf2c
CC		 1275 return -ENODEV;
1276 return 0;
1277}
1278
e539c2f6
CC		 1279static ssize_t show_gps(struct device *dev,
1280 struct device_attribute *attr, char *buf)
1281{
9129d14d
CC		 1282 struct asus_laptop *asus = dev_get_drvdata(dev);
1283
6358bf2c 1284 return sprintf(buf, "%d\n", asus_gps_status(asus));
e539c2f6
CC		 1285}
1286
1287static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
1288 const char *buf, size_t count)
1289{
060cbce6 1290 struct asus_laptop *asus = dev_get_drvdata(dev);
6358bf2c
CC		 1291 int rv, value;
1292 int ret;
9129d14d 1293
6358bf2c
CC		 1294 rv = parse_arg(buf, count, &value);
1295 if (rv <= 0)
1296 return -EINVAL;
1297 ret = asus_gps_switch(asus, !!value);
1298 if (ret)
1299 return ret;
40969c7d 1300 rfkill_set_sw_state(asus->gps.rfkill, !value);
6358bf2c 1301 return rv;
e539c2f6
CC		 1302}
1303
18e1311e
CC		 1304/*
1305 * rfkill
1306 */
1307static int asus_gps_rfkill_set(void *data, bool blocked)
1308{
23f45c3a 1309 struct asus_laptop *asus = data;
18e1311e 1310
23f45c3a 1311 return asus_gps_switch(asus, !blocked);
18e1311e
CC		 1312}
1313
1314static const struct rfkill_ops asus_gps_rfkill_ops = {
1315 .set_block = asus_gps_rfkill_set,
1316};
1317
774b0678
CC		 1318static int asus_rfkill_set(void *data, bool blocked)
1319{
1320 struct asus_rfkill *rfk = data;
1321 struct asus_laptop *asus = rfk->asus;
1322
1323 if (rfk->control_id == WL_RSTS)
1324 return asus_wlan_set(asus, !blocked);
1325 else if (rfk->control_id == BT_RSTS)
1326 return asus_bluetooth_set(asus, !blocked);
3c8671ff
CC		 1327 else if (rfk->control_id == WM_RSTS)
1328 return asus_wimax_set(asus, !blocked);
1329 else if (rfk->control_id == WW_RSTS)
1330 return asus_wwan_set(asus, !blocked);
774b0678
CC		 1331
1332 return -EINVAL;
1333}
1334
1335static const struct rfkill_ops asus_rfkill_ops = {
1336 .set_block = asus_rfkill_set,
1337};
1338
40969c7d
CC		 1339static void asus_rfkill_terminate(struct asus_rfkill *rfk)
1340{
1341 if (!rfk->rfkill)
1342 return ;
1343
1344 rfkill_unregister(rfk->rfkill);
1345 rfkill_destroy(rfk->rfkill);
1346 rfk->rfkill = NULL;
1347}
1348
18e1311e
CC		 1349static void asus_rfkill_exit(struct asus_laptop *asus)
1350{
40969c7d
CC		 1351 asus_rfkill_terminate(&asus->wwan);
1352 asus_rfkill_terminate(&asus->bluetooth);
1353 asus_rfkill_terminate(&asus->wlan);
1354 asus_rfkill_terminate(&asus->gps);
18e1311e
CC		 1355}
1356
774b0678
CC		 1357static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1358 const char *name, int control_id, int type,
1359 const struct rfkill_ops *ops)
18e1311e
CC		 1360{
1361 int result;
1362
774b0678
CC		 1363 rfk->control_id = control_id;
1364 rfk->asus = asus;
1365 rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
1366 type, ops, rfk);
1367 if (!rfk->rfkill)
18e1311e
CC		 1368 return -EINVAL;
1369
774b0678 1370 result = rfkill_register(rfk->rfkill);
18e1311e 1371 if (result) {
774b0678
CC		 1372 rfkill_destroy(rfk->rfkill);
1373 rfk->rfkill = NULL;
18e1311e
CC		 1374 }
1375
1376 return result;
1377}
1378
774b0678
CC		 1379static int asus_rfkill_init(struct asus_laptop *asus)
1380{
1381 int result = 0;
1382
3c8671ff
CC		 1383 if (asus->is_pega_lucid)
1384 return -ENODEV;
1385
774b0678
CC		 1386 if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
1387 !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
1388 !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
1389 result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
1390 -1, RFKILL_TYPE_GPS,
1391 &asus_gps_rfkill_ops);
1392 if (result)
1393 goto exit;
1394
1395
26594dd4
CC		 1396 if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
1397 asus->wled_type == TYPE_RFKILL)
774b0678
CC		 1398 result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
1399 WL_RSTS, RFKILL_TYPE_WLAN,
1400 &asus_rfkill_ops);
1401 if (result)
1402 goto exit;
1403
26594dd4
CC		 1404 if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
1405 asus->bled_type == TYPE_RFKILL)
774b0678
CC		 1406 result = asus_rfkill_setup(asus, &asus->bluetooth,
1407 "asus-bluetooth", BT_RSTS,
1408 RFKILL_TYPE_BLUETOOTH,
1409 &asus_rfkill_ops);
1410 if (result)
1411 goto exit;
1412
3c8671ff
CC		 1413 if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
1414 result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
1415 WW_RSTS, RFKILL_TYPE_WWAN,
1416 &asus_rfkill_ops);
1417 if (result)
1418 goto exit;
1419
1420 if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
1421 result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
1422 WM_RSTS, RFKILL_TYPE_WIMAX,
1423 &asus_rfkill_ops);
1424 if (result)
1425 goto exit;
1426
774b0678
CC		 1427exit:
1428 if (result)
1429 asus_rfkill_exit(asus);
1430
1431 return result;
1432}
1433
14908399
AA		 1434static int pega_rfkill_set(void *data, bool blocked)
1435{
40969c7d 1436 struct asus_rfkill *rfk = data;
14908399 1437
40969c7d 1438 int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);
14908399
AA		 1439 return ret;
1440}
1441
1442static const struct rfkill_ops pega_rfkill_ops = {
1443 .set_block = pega_rfkill_set,
1444};
1445
40969c7d
CC		 1446static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1447 const char *name, int controlid, int rfkill_type)
14908399 1448{
774b0678
CC		 1449 return asus_rfkill_setup(asus, rfk, name, controlid, rfkill_type,
1450 &pega_rfkill_ops);
14908399
AA		 1451}
1452
1453static int pega_rfkill_init(struct asus_laptop *asus)
1454{
1455 int ret = 0;
1456
1457 if(!asus->is_pega_lucid)
1458 return -ENODEV;
1459
40969c7d
CC		 1460 ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",
1461 PEGA_WLAN, RFKILL_TYPE_WLAN);
14908399 1462 if(ret)
40969c7d
CC		 1463 goto exit;
1464
1465 ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",
1466 PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
14908399 1467 if(ret)
40969c7d 1468 goto exit;
14908399 1469
40969c7d
CC		 1470 ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",
1471 PEGA_WWAN, RFKILL_TYPE_WWAN);
1472
1473exit:
1474 if (ret)
1475 asus_rfkill_exit(asus);
14908399
AA		 1476
1477 return ret;
1478}
1479
034ce90a 1480/*
be4ee82d 1481 * Input device (i.e. hotkeys)
034ce90a 1482 */
be4ee82d
CC		 1483static void asus_input_notify(struct asus_laptop *asus, int event)
1484{
e0ac9133
CC		 1485 if (!asus->inputdev)
1486 return ;
1487 if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
1488 pr_info("Unknown key %x pressed\n", event);
be4ee82d
CC		 1489}
1490
1491static int asus_input_init(struct asus_laptop *asus)
1492{
66a71dd1
CC		 1493 struct input_dev *input;
1494 int error;
be4ee82d 1495
66a71dd1
CC		 1496 input = input_allocate_device();
1497 if (!input) {
40969c7d 1498 pr_warn("Unable to allocate input device\n");
45036ae1 1499 return -ENOMEM;
be4ee82d 1500 }
66a71dd1
CC		 1501 input->name = "Asus Laptop extra buttons";
1502 input->phys = ASUS_LAPTOP_FILE "/input0";
1503 input->id.bustype = BUS_HOST;
1504 input->dev.parent = &asus->platform_device->dev;
66a71dd1
CC		 1505
1506 error = sparse_keymap_setup(input, asus_keymap, NULL);
1507 if (error) {
1508 pr_err("Unable to setup input device keymap\n");
45036ae1 1509 goto err_free_dev;
be4ee82d 1510 }
66a71dd1
CC		 1511 error = input_register_device(input);
1512 if (error) {
40969c7d 1513 pr_warn("Unable to register input device\n");
45036ae1 1514 goto err_free_keymap;
be4ee82d 1515 }
66a71dd1
CC		 1516
1517 asus->inputdev = input;
1518 return 0;
1519
45036ae1 1520err_free_keymap:
66a71dd1 1521 sparse_keymap_free(input);
45036ae1 1522err_free_dev:
66a71dd1
CC		 1523 input_free_device(input);
1524 return error;
be4ee82d
CC		 1525}
1526
1527static void asus_input_exit(struct asus_laptop *asus)
1528{
66a71dd1
CC		 1529 if (asus->inputdev) {
1530 sparse_keymap_free(asus->inputdev);
be4ee82d 1531 input_unregister_device(asus->inputdev);
66a71dd1 1532 }
71e687dc 1533 asus->inputdev = NULL;
be4ee82d
CC		 1534}
1535
1536/*
1537 * ACPI driver
1538 */
600ad520 1539static void asus_acpi_notify(struct acpi_device *device, u32 event)
85091b71 1540{
9129d14d 1541 struct asus_laptop *asus = acpi_driver_data(device);
6050c8dd 1542 u16 count;
034ce90a 1543
619d8b11 1544 /* TODO Find a better way to handle events count. */
50a90c4d
CC		 1545 count = asus->event_count[event % 128]++;
1546 acpi_bus_generate_proc_event(asus->device, event, count);
1547 acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
1548 dev_name(&asus->device->dev), event,
6050c8dd 1549 count);
85091b71 1550
2740e1bd
CC		 1551 if (event >= ATKD_BRNUP_MIN && event <= ATKD_BRNUP_MAX)
1552 event = ATKD_BRNUP;
1553 else if (event >= ATKD_BRNDOWN_MIN &&
1554 event <= ATKD_BRNDOWN_MAX)
1555 event = ATKD_BRNDOWN;
a539df5e 1556
2740e1bd
CC		 1557 /* Brightness events are special */
1558 if (event == ATKD_BRNDOWN || event == ATKD_BRNUP) {
a539df5e
CC		 1559 if (asus->backlight_device != NULL) {
1560 /* Update the backlight device. */
1561 asus_backlight_notify(asus);
2740e1bd 1562 return ;
a539df5e 1563 }
a539df5e 1564 }
b93f8281
AA		 1565
1566 /* Accelerometer "coarse orientation change" event */
1567 if (asus->pega_accel_poll && event == 0xEA) {
1568 kobject_uevent(&asus->pega_accel_poll->input->dev.kobj,
1569 KOBJ_CHANGE);
1570 return ;
1571 }
1572
be4ee82d 1573 asus_input_notify(asus, event);
85091b71
CC		 1574}
1575
2a1fd64c
CC		 1576static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL);
1577static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan);
ac9b1e5b
DT		 1578static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
1579 show_bluetooth, store_bluetooth);
ba1ff5be
CC		 1580static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax);
1581static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
3b81cf9d 1582static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp);
2a1fd64c 1583static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
33989ba6 1584static DEVICE_ATTR(ls_value, S_IRUGO, show_lsvalue, NULL);
2a1fd64c
CC		 1585static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
1586static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
1587static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps);
1588
ac9b1e5b
DT		 1589static struct attribute *asus_attributes[] = {
1590 &dev_attr_infos.attr,
1591 &dev_attr_wlan.attr,
1592 &dev_attr_bluetooth.attr,
ba1ff5be
CC		 1593 &dev_attr_wimax.attr,
1594 &dev_attr_wwan.attr,
ac9b1e5b
DT		 1595 &dev_attr_display.attr,
1596 &dev_attr_ledd.attr,
33989ba6 1597 &dev_attr_ls_value.attr,
ac9b1e5b
DT		 1598 &dev_attr_ls_level.attr,
1599 &dev_attr_ls_switch.attr,
1600 &dev_attr_gps.attr,
1601 NULL
1602};
2a1fd64c 1603
587a1f16 1604static umode_t asus_sysfs_is_visible(struct kobject *kobj,
ac9b1e5b
DT		 1605 struct attribute *attr,
1606 int idx)
2a1fd64c 1607{
ac9b1e5b
DT		 1608 struct device *dev = container_of(kobj, struct device, kobj);
1609 struct platform_device *pdev = to_platform_device(dev);
1610 struct asus_laptop *asus = platform_get_drvdata(pdev);
1611 acpi_handle handle = asus->handle;
1612 bool supported;
1613
33989ba6
AR		 1614 if (asus->is_pega_lucid) {
1615 /* no ls_level interface on the Lucid */
1616 if (attr == &dev_attr_ls_switch.attr)
1617 supported = true;
1618 else if (attr == &dev_attr_ls_level.attr)
1619 supported = false;
1620 else
1621 goto normal;
1622
1623 return supported;
1624 }
1625
1626normal:
ac9b1e5b
DT		 1627 if (attr == &dev_attr_wlan.attr) {
1628 supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
1629
1630 } else if (attr == &dev_attr_bluetooth.attr) {
1631 supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
1632
1633 } else if (attr == &dev_attr_display.attr) {
1634 supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
1635
ba1ff5be
CC		 1636 } else if (attr == &dev_attr_wimax.attr) {
1637 supported =
1638 !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
1639
1640 } else if (attr == &dev_attr_wwan.attr) {
1641 supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
1642
ac9b1e5b
DT		 1643 } else if (attr == &dev_attr_ledd.attr) {
1644 supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
1645
1646 } else if (attr == &dev_attr_ls_switch.attr ||
1647 attr == &dev_attr_ls_level.attr) {
1648 supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
33989ba6
AR		 1649 !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
1650 } else if (attr == &dev_attr_ls_value.attr) {
1651 supported = asus->is_pega_lucid;
ac9b1e5b
DT		 1652 } else if (attr == &dev_attr_gps.attr) {
1653 supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
1654 !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
1655 !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
1656 } else {
1657 supported = true;
2a1fd64c
CC		 1658 }
1659
ac9b1e5b
DT		 1660 return supported ? attr->mode : 0;
1661}
2a1fd64c 1662
2a1fd64c 1663
ac9b1e5b
DT		 1664static const struct attribute_group asus_attr_group = {
1665 .is_visible = asus_sysfs_is_visible,
1666 .attrs = asus_attributes,
1667};
85091b71 1668
9129d14d 1669static int asus_platform_init(struct asus_laptop *asus)
600ad520 1670{
71e687dc 1671 int result;
600ad520 1672
50a90c4d
CC		 1673 asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1);
1674 if (!asus->platform_device)
600ad520 1675 return -ENOMEM;
9129d14d 1676 platform_set_drvdata(asus->platform_device, asus);
600ad520 1677
71e687dc
CC		 1678 result = platform_device_add(asus->platform_device);
1679 if (result)
600ad520
CC		 1680 goto fail_platform_device;
1681
ac9b1e5b
DT		 1682 result = sysfs_create_group(&asus->platform_device->dev.kobj,
1683 &asus_attr_group);
71e687dc 1684 if (result)
600ad520 1685 goto fail_sysfs;
ac9b1e5b 1686
600ad520
CC		 1687 return 0;
1688
1689fail_sysfs:
50a90c4d 1690 platform_device_del(asus->platform_device);
600ad520 1691fail_platform_device:
50a90c4d 1692 platform_device_put(asus->platform_device);
71e687dc 1693 return result;
600ad520
CC		 1694}
1695
9129d14d 1696static void asus_platform_exit(struct asus_laptop *asus)
600ad520 1697{
ac9b1e5b 1698 sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);
50a90c4d 1699 platform_device_unregister(asus->platform_device);
600ad520
CC		 1700}
1701
1702static struct platform_driver platform_driver = {
8def05fa 1703 .driver = {
9129d14d
CC		 1704 .name = ASUS_LAPTOP_FILE,
1705 .owner = THIS_MODULE,
b23910c2 1706 },
85091b71
CC		 1707};
1708
85091b71 1709/*
50a90c4d
CC		 1710 * This function is used to initialize the context with right values. In this
1711 * method, we can make all the detection we want, and modify the asus_laptop
1712 * struct
85091b71 1713 */
7c247645 1714static int asus_laptop_get_info(struct asus_laptop *asus)
85091b71
CC		 1715{
1716 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
85091b71 1717 union acpi_object *model = NULL;
cb7da022 1718 unsigned long long bsts_result;
85091b71
CC		 1719 char *string = NULL;
1720 acpi_status status;
1721
1722 /*
1723 * Get DSDT headers early enough to allow for differentiating between
1724 * models, but late enough to allow acpi_bus_register_driver() to fail
1725 * before doing anything ACPI-specific. Should we encounter a machine,
1726 * which needs special handling (i.e. its hotkey device has a different
7c247645 1727 * HID), this bit will be moved.
85091b71 1728 */
7c247645 1729 status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
85091b71 1730 if (ACPI_FAILURE(status))
5ad77dcf 1731 pr_warn("Couldn't get the DSDT table header\n");
85091b71
CC		 1732
1733 /* We have to write 0 on init this far for all ASUS models */
50a90c4d 1734 if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
2fcc23da 1735 pr_err("Hotkey initialization failed\n");
85091b71
CC		 1736 return -ENODEV;
1737 }
1738
1739 /* This needs to be called for some laptops to init properly */
9a816850 1740 status =
50a90c4d 1741 acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
9a816850 1742 if (ACPI_FAILURE(status))
5ad77dcf 1743 pr_warn("Error calling BSTS\n");
85091b71 1744 else if (bsts_result)
2fcc23da 1745 pr_notice("BSTS called, 0x%02x returned\n",
9a816850 1746 (uint) bsts_result);
85091b71 1747
185e5af9 1748 /* This too ... */
e5593bf1
CC		 1749 if (write_acpi_int(asus->handle, "CWAP", wapf))
1750 pr_err("Error calling CWAP(%d)\n", wapf);
85091b71
CC		 1751 /*
1752 * Try to match the object returned by INIT to the specific model.
1753 * Handle every possible object (or the lack of thereof) the DSDT
1754 * writers might throw at us. When in trouble, we pass NULL to
1755 * asus_model_match() and try something completely different.
1756 */
1757 if (buffer.pointer) {
1758 model = buffer.pointer;
1759 switch (model->type) {
1760 case ACPI_TYPE_STRING:
1761 string = model->string.pointer;
1762 break;
1763 case ACPI_TYPE_BUFFER:
1764 string = model->buffer.pointer;
1765 break;
1766 default:
1767 string = "";
1768 break;
1769 }
1770 }
50a90c4d 1771 asus->name = kstrdup(string, GFP_KERNEL);
d8eca110
AL		 1772 if (!asus->name) {
1773 kfree(buffer.pointer);
85091b71 1774 return -ENOMEM;
d8eca110 1775 }
85091b71 1776
9f897484 1777 if (string)
2fcc23da 1778 pr_notice(" %s model detected\n", string);
85091b71 1779
d99b577c 1780 if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
aa9df930 1781 asus->have_rsts = true;
4564de17 1782
85091b71
CC		 1783 kfree(model);
1784
1785 return AE_OK;
1786}
1787
b859f159 1788static int asus_acpi_init(struct asus_laptop *asus)
85091b71 1789{
600ad520 1790 int result = 0;
85091b71 1791
50a90c4d 1792 result = acpi_bus_get_status(asus->device);
600ad520 1793 if (result)
85091b71 1794 return result;
50a90c4d 1795 if (!asus->device->status.present) {
600ad520 1796 pr_err("Hotkey device not present, aborting\n");
85091b71
CC		 1797 return -ENODEV;
1798 }
1799
7c247645 1800 result = asus_laptop_get_info(asus);
034ce90a 1801 if (result)
600ad520 1802 return result;
034ce90a 1803
774b0678
CC		 1804 if (!strcmp(bled_type, "led"))
1805 asus->bled_type = TYPE_LED;
1806 else if (!strcmp(bled_type, "rfkill"))
1807 asus->bled_type = TYPE_RFKILL;
1808
1809 if (!strcmp(wled_type, "led"))
1810 asus->wled_type = TYPE_LED;
1811 else if (!strcmp(wled_type, "rfkill"))
1812 asus->wled_type = TYPE_RFKILL;
1813
be4ee82d 1814 if (bluetooth_status >= 0)
e5593bf1
CC		 1815 asus_bluetooth_set(asus, !!bluetooth_status);
1816
d0930a2d
CC		 1817 if (wlan_status >= 0)
1818 asus_wlan_set(asus, !!wlan_status);
85091b71 1819
ba1ff5be
CC		 1820 if (wimax_status >= 0)
1821 asus_wimax_set(asus, !!wimax_status);
1822
1823 if (wwan_status >= 0)
1824 asus_wwan_set(asus, !!wwan_status);
1825
600ad520 1826 /* Keyboard Backlight is on by default */
d99b577c 1827 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
4d441513 1828 asus_kled_set(asus, 1);
600ad520
CC		 1829
1830 /* LED display is off by default */
50a90c4d 1831 asus->ledd_status = 0xFFF;
600ad520
CC		 1832
1833 /* Set initial values of light sensor and level */
abec04db 1834 asus->light_switch = !!als_status;
be4ee82d 1835 asus->light_level = 5; /* level 5 for sensor sensitivity */
600ad520 1836
33989ba6
AR		 1837 if (asus->is_pega_lucid) {
1838 asus_als_switch(asus, asus->light_switch);
1839 } else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
1840 !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
4d441513 1841 asus_als_switch(asus, asus->light_switch);
4d441513 1842 asus_als_level(asus, asus->light_level);
d99b577c 1843 }
600ad520 1844
600ad520
CC		 1845 return result;
1846}
1847
b859f159 1848static void asus_dmi_check(void)
af96f877
CC		 1849{
1850 const char *model;
1851
1852 model = dmi_get_system_info(DMI_PRODUCT_NAME);
1853 if (!model)
1854 return;
1855
1856 /* On L1400B WLED control the sound card, don't mess with it ... */
1857 if (strncmp(model, "L1400B", 6) == 0) {
1858 wlan_status = -1;
1859 }
1860}
1861
71e687dc
CC		 1862static bool asus_device_present;
1863
b859f159 1864static int asus_acpi_add(struct acpi_device *device)
600ad520 1865{
9129d14d 1866 struct asus_laptop *asus;
600ad520
CC		 1867 int result;
1868
1869 pr_notice("Asus Laptop Support version %s\n",
1870 ASUS_LAPTOP_VERSION);
50a90c4d
CC		 1871 asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL);
1872 if (!asus)
600ad520 1873 return -ENOMEM;
50a90c4d
CC		 1874 asus->handle = device->handle;
1875 strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME);
1876 strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS);
1877 device->driver_data = asus;
1878 asus->device = device;
600ad520 1879
af96f877
CC		 1880 asus_dmi_check();
1881
9129d14d 1882 result = asus_acpi_init(asus);
8def05fa 1883 if (result)
600ad520 1884 goto fail_platform;
85091b71 1885
600ad520 1886 /*
8819de7f
AR		 1887 * Need platform type detection first, then the platform
1888 * device. It is used as a parent for the sub-devices below.
600ad520 1889 */
8819de7f 1890 asus->is_pega_lucid = asus_check_pega_lucid(asus);
9129d14d 1891 result = asus_platform_init(asus);
116bf2e0 1892 if (result)
600ad520 1893 goto fail_platform;
116bf2e0
CC		 1894
1895 if (!acpi_video_backlight_support()) {
9129d14d 1896 result = asus_backlight_init(asus);
116bf2e0
CC		 1897 if (result)
1898 goto fail_backlight;
1899 } else
600ad520 1900 pr_info("Backlight controlled by ACPI video driver\n");
116bf2e0 1901
9129d14d 1902 result = asus_input_init(asus);
600ad520
CC		 1903 if (result)
1904 goto fail_input;
1905
9129d14d 1906 result = asus_led_init(asus);
600ad520
CC		 1907 if (result)
1908 goto fail_led;
1909
18e1311e 1910 result = asus_rfkill_init(asus);
3c8671ff 1911 if (result && result != -ENODEV)
18e1311e
CC		 1912 goto fail_rfkill;
1913
b23910c2
AR		 1914 result = pega_accel_init(asus);
1915 if (result && result != -ENODEV)
1916 goto fail_pega_accel;
1917
14908399
AA		 1918 result = pega_rfkill_init(asus);
1919 if (result && result != -ENODEV)
1920 goto fail_pega_rfkill;
1921
600ad520 1922 asus_device_present = true;
8def05fa 1923 return 0;
85091b71 1924
14908399
AA		 1925fail_pega_rfkill:
1926 pega_accel_exit(asus);
b23910c2
AR		 1927fail_pega_accel:
1928 asus_rfkill_exit(asus);
18e1311e
CC		 1929fail_rfkill:
1930 asus_led_exit(asus);
600ad520 1931fail_led:
9129d14d 1932 asus_input_exit(asus);
600ad520 1933fail_input:
9129d14d 1934 asus_backlight_exit(asus);
116bf2e0 1935fail_backlight:
9129d14d 1936 asus_platform_exit(asus);
600ad520 1937fail_platform:
50a90c4d
CC		 1938 kfree(asus->name);
1939 kfree(asus);
116bf2e0 1940
600ad520
CC		 1941 return result;
1942}
116bf2e0 1943
51fac838 1944static int asus_acpi_remove(struct acpi_device *device)
600ad520 1945{
9129d14d
CC		 1946 struct asus_laptop *asus = acpi_driver_data(device);
1947
1948 asus_backlight_exit(asus);
18e1311e 1949 asus_rfkill_exit(asus);
9129d14d
CC		 1950 asus_led_exit(asus);
1951 asus_input_exit(asus);
b23910c2 1952 pega_accel_exit(asus);
9129d14d 1953 asus_platform_exit(asus);
600ad520 1954
50a90c4d
CC		 1955 kfree(asus->name);
1956 kfree(asus);
600ad520
CC		 1957 return 0;
1958}
1959
1960static const struct acpi_device_id asus_device_ids[] = {
1961 {"ATK0100", 0},
1962 {"ATK0101", 0},
1963 {"", 0},
1964};
1965MODULE_DEVICE_TABLE(acpi, asus_device_ids);
85091b71 1966
600ad520 1967static struct acpi_driver asus_acpi_driver = {
50a90c4d
CC		 1968 .name = ASUS_LAPTOP_NAME,
1969 .class = ASUS_LAPTOP_CLASS,
600ad520
CC		 1970 .owner = THIS_MODULE,
1971 .ids = asus_device_ids,
1972 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
1973 .ops = {
1974 .add = asus_acpi_add,
1975 .remove = asus_acpi_remove,
1976 .notify = asus_acpi_notify,
1977 },
1978};
85091b71 1979
600ad520
CC		 1980static int __init asus_laptop_init(void)
1981{
1982 int result;
85091b71 1983
600ad520
CC		 1984 result = platform_driver_register(&platform_driver);
1985 if (result < 0)
1986 return result;
034ce90a 1987
600ad520
CC		 1988 result = acpi_bus_register_driver(&asus_acpi_driver);
1989 if (result < 0)
1990 goto fail_acpi_driver;
1991 if (!asus_device_present) {
1992 result = -ENODEV;
1993 goto fail_no_device;
1994 }
1995 return 0;
85091b71 1996
600ad520
CC		 1997fail_no_device:
1998 acpi_bus_unregister_driver(&asus_acpi_driver);
1999fail_acpi_driver:
2000 platform_driver_unregister(&platform_driver);
85091b71
CC		 2001 return result;
2002}
2003
600ad520
CC		 2004static void __exit asus_laptop_exit(void)
2005{
2006 acpi_bus_unregister_driver(&asus_acpi_driver);
2007 platform_driver_unregister(&platform_driver);
2008}
2009
85091b71
CC		 2010module_init(asus_laptop_init);
2011module_exit(asus_laptop_exit);
Linux kernel - Deliverables
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