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drm/i915: Rename intel_context[engine].ringbuf
[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>
8b48463f 56#include <linux/acpi.h>
8b9e6b70 57#include <acpi/video.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 */
97ade769 335 {KE_KEY, 0x6A, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad Fn + F9 */
a935eaec 336 {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad */
a2d5dd24
CC		 337 {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */
338 {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */
982d385a 339 {KE_IGNORE, 0x6E, }, /* Low Battery notification */
a935eaec
CC		 340 {KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
341 {KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
66a71dd1 342 {KE_KEY, 0x82, { KEY_CAMERA } },
a935eaec
CC		 343 {KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
344 {KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
3da4cd20
AK		 345 {KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
346 {KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
347 {KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
348 {KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
349 {KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
350 {KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
351 {KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
352 {KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
66a71dd1
CC		 353 {KE_KEY, 0x95, { KEY_MEDIA } },
354 {KE_KEY, 0x99, { KEY_PHONE } },
3da4cd20
AK		 355 {KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
356 {KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
357 {KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
358 {KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
359 {KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
360 {KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
361 {KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
362 {KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
a935eaec
CC		 363 {KE_KEY, 0xB5, { KEY_CALC } },
364 {KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
365 {KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
034ce90a
CC		 366 {KE_END, 0},
367};
368
66a71dd1 369
85091b71
CC		 370/*
371 * This function evaluates an ACPI method, given an int as parameter, the
372 * method is searched within the scope of the handle, can be NULL. The output
373 * of the method is written is output, which can also be NULL
374 *
f8d1c94b 375 * returns 0 if write is successful, -1 else.
85091b71 376 */
d8c67323
CC		 377static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
378 struct acpi_buffer *output)
85091b71 379{
be966660
CC		 380 struct acpi_object_list params; /* list of input parameters (an int) */
381 union acpi_object in_obj; /* the only param we use */
85091b71
CC		 382 acpi_status status;
383
f8d1c94b 384 if (!handle)
9fb866f3 385 return -1;
f8d1c94b 386
85091b71
CC		 387 params.count = 1;
388 params.pointer = &in_obj;
389 in_obj.type = ACPI_TYPE_INTEGER;
390 in_obj.integer.value = val;
391
392 status = acpi_evaluate_object(handle, (char *)method, &params, output);
f8d1c94b
CC		 393 if (status == AE_OK)
394 return 0;
395 else
396 return -1;
85091b71
CC		 397}
398
d8c67323
CC		 399static int write_acpi_int(acpi_handle handle, const char *method, int val)
400{
401 return write_acpi_int_ret(handle, method, val, NULL);
402}
403
d99b577c
CC		 404static int acpi_check_handle(acpi_handle handle, const char *method,
405 acpi_handle *ret)
406{
407 acpi_status status;
408
409 if (method == NULL)
410 return -ENODEV;
411
412 if (ret)
413 status = acpi_get_handle(handle, (char *)method,
414 ret);
415 else {
416 acpi_handle dummy;
417
418 status = acpi_get_handle(handle, (char *)method,
419 &dummy);
420 }
421
422 if (status != AE_OK) {
423 if (ret)
5ad77dcf 424 pr_warn("Error finding %s\n", method);
d99b577c
CC		 425 return -ENODEV;
426 }
427 return 0;
428}
429
8819de7f
AR		 430static bool asus_check_pega_lucid(struct asus_laptop *asus)
431{
432 return !strcmp(asus->name, DEVICE_NAME_PEGA) &&
433 !acpi_check_handle(asus->handle, METHOD_PEGA_ENABLE, NULL) &&
434 !acpi_check_handle(asus->handle, METHOD_PEGA_DISABLE, NULL) &&
435 !acpi_check_handle(asus->handle, METHOD_PEGA_READ, NULL);
436}
437
33989ba6
AR		 438static int asus_pega_lucid_set(struct asus_laptop *asus, int unit, bool enable)
439{
440 char *method = enable ? METHOD_PEGA_ENABLE : METHOD_PEGA_DISABLE;
441 return write_acpi_int(asus->handle, method, unit);
442}
443
b23910c2
AR		 444static int pega_acc_axis(struct asus_laptop *asus, int curr, char *method)
445{
446 int i, delta;
447 unsigned long long val;
448 for (i = 0; i < PEGA_ACC_RETRIES; i++) {
449 acpi_evaluate_integer(asus->handle, method, NULL, &val);
450
451 /* The output is noisy. From reading the ASL
452 * dissassembly, timeout errors are returned with 1's
453 * in the high word, and the lack of locking around
454 * thei hi/lo byte reads means that a transition
455 * between (for example) -1 and 0 could be read as
456 * 0xff00 or 0x00ff. */
457 delta = abs(curr - (short)val);
458 if (delta < 128 && !(val & ~0xffff))
459 break;
460 }
461 return clamp_val((short)val, -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP);
462}
463
464static void pega_accel_poll(struct input_polled_dev *ipd)
465{
466 struct device *parent = ipd->input->dev.parent;
467 struct asus_laptop *asus = dev_get_drvdata(parent);
468
469 /* In some cases, the very first call to poll causes a
470 * recursive fault under the polldev worker. This is
471 * apparently related to very early userspace access to the
472 * device, and perhaps a firmware bug. Fake the first report. */
473 if (!asus->pega_acc_live) {
474 asus->pega_acc_live = true;
475 input_report_abs(ipd->input, ABS_X, 0);
476 input_report_abs(ipd->input, ABS_Y, 0);
477 input_report_abs(ipd->input, ABS_Z, 0);
478 input_sync(ipd->input);
479 return;
480 }
481
482 asus->pega_acc_x = pega_acc_axis(asus, asus->pega_acc_x, METHOD_XLRX);
483 asus->pega_acc_y = pega_acc_axis(asus, asus->pega_acc_y, METHOD_XLRY);
484 asus->pega_acc_z = pega_acc_axis(asus, asus->pega_acc_z, METHOD_XLRZ);
485
486 /* Note transform, convert to "right/up/out" in the native
487 * landscape orientation (i.e. the vector is the direction of
488 * "real up" in the device's cartiesian coordinates). */
489 input_report_abs(ipd->input, ABS_X, -asus->pega_acc_x);
490 input_report_abs(ipd->input, ABS_Y, -asus->pega_acc_y);
491 input_report_abs(ipd->input, ABS_Z, asus->pega_acc_z);
492 input_sync(ipd->input);
493}
494
495static void pega_accel_exit(struct asus_laptop *asus)
496{
497 if (asus->pega_accel_poll) {
498 input_unregister_polled_device(asus->pega_accel_poll);
499 input_free_polled_device(asus->pega_accel_poll);
500 }
501 asus->pega_accel_poll = NULL;
502}
503
504static int pega_accel_init(struct asus_laptop *asus)
505{
506 int err;
507 struct input_polled_dev *ipd;
508
509 if (!asus->is_pega_lucid)
510 return -ENODEV;
511
512 if (acpi_check_handle(asus->handle, METHOD_XLRX, NULL) ||
513 acpi_check_handle(asus->handle, METHOD_XLRY, NULL) ||
514 acpi_check_handle(asus->handle, METHOD_XLRZ, NULL))
515 return -ENODEV;
516
517 ipd = input_allocate_polled_device();
518 if (!ipd)
519 return -ENOMEM;
520
521 ipd->poll = pega_accel_poll;
522 ipd->poll_interval = 125;
523 ipd->poll_interval_min = 50;
524 ipd->poll_interval_max = 2000;
525
526 ipd->input->name = PEGA_ACCEL_DESC;
527 ipd->input->phys = PEGA_ACCEL_NAME "/input0";
528 ipd->input->dev.parent = &asus->platform_device->dev;
529 ipd->input->id.bustype = BUS_HOST;
530
531 set_bit(EV_ABS, ipd->input->evbit);
532 input_set_abs_params(ipd->input, ABS_X,
533 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
534 input_set_abs_params(ipd->input, ABS_Y,
535 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
536 input_set_abs_params(ipd->input, ABS_Z,
537 -PEGA_ACC_CLAMP, PEGA_ACC_CLAMP, 0, 0);
538
539 err = input_register_polled_device(ipd);
540 if (err)
541 goto exit;
542
543 asus->pega_accel_poll = ipd;
544 return 0;
545
546exit:
547 input_free_polled_device(ipd);
548 return err;
549}
550
17e78f62 551/* Generic LED function */
aee0afb8 552static int asus_led_set(struct asus_laptop *asus, const char *method,
17e78f62 553 int value)
be18cdab 554{
d99b577c 555 if (!strcmp(method, METHOD_MLED))
17e78f62 556 value = !value;
d99b577c 557 else if (!strcmp(method, METHOD_GLED))
17e78f62
CC		 558 value = !value + 1;
559 else
560 value = !!value;
be18cdab 561
e5593bf1 562 return write_acpi_int(asus->handle, method, value);
be18cdab
CC		 563}
564
be4ee82d
CC		 565/*
566 * LEDs
567 */
be18cdab 568/* /sys/class/led handlers */
aee0afb8
CC		 569static void asus_led_cdev_set(struct led_classdev *led_cdev,
570 enum led_brightness value)
571{
572 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
573 struct asus_laptop *asus = led->asus;
574
575 led->wk = !!value;
576 queue_work(asus->led_workqueue, &led->work);
577}
be18cdab 578
aee0afb8
CC		 579static void asus_led_cdev_update(struct work_struct *work)
580{
581 struct asus_led *led = container_of(work, struct asus_led, work);
582 struct asus_laptop *asus = led->asus;
583
584 asus_led_set(asus, led->method, led->wk);
585}
586
587static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev)
588{
589 return led_cdev->brightness;
590}
be18cdab 591
b7d3fbc2 592/*
be4ee82d 593 * Keyboard backlight (also a LED)
b7d3fbc2 594 */
d99b577c 595static int asus_kled_lvl(struct asus_laptop *asus)
b7d3fbc2
CC		 596{
597 unsigned long long kblv;
598 struct acpi_object_list params;
599 union acpi_object in_obj;
600 acpi_status rv;
601
602 params.count = 1;
603 params.pointer = &in_obj;
604 in_obj.type = ACPI_TYPE_INTEGER;
605 in_obj.integer.value = 2;
606
d99b577c
CC		 607 rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,
608 &params, &kblv);
b7d3fbc2 609 if (ACPI_FAILURE(rv)) {
5ad77dcf 610 pr_warn("Error reading kled level\n");
4d441513 611 return -ENODEV;
b7d3fbc2
CC		 612 }
613 return kblv;
614}
615
4d441513 616static int asus_kled_set(struct asus_laptop *asus, int kblv)
b7d3fbc2
CC		 617{
618 if (kblv > 0)
619 kblv = (1 << 7) | (kblv & 0x7F);
620 else
621 kblv = 0;
622
d99b577c 623 if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {
5ad77dcf 624 pr_warn("Keyboard LED display write failed\n");
b7d3fbc2
CC		 625 return -EINVAL;
626 }
627 return 0;
628}
629
aee0afb8
CC		 630static void asus_kled_cdev_set(struct led_classdev *led_cdev,
631 enum led_brightness value)
b7d3fbc2 632{
aee0afb8
CC		 633 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
634 struct asus_laptop *asus = led->asus;
9129d14d 635
060cbce6 636 led->wk = value;
aee0afb8 637 queue_work(asus->led_workqueue, &led->work);
b7d3fbc2
CC		 638}
639
aee0afb8 640static void asus_kled_cdev_update(struct work_struct *work)
b7d3fbc2 641{
aee0afb8
CC		 642 struct asus_led *led = container_of(work, struct asus_led, work);
643 struct asus_laptop *asus = led->asus;
9129d14d 644
aee0afb8 645 asus_kled_set(asus, led->wk);
b7d3fbc2
CC		 646}
647
aee0afb8 648static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
b7d3fbc2 649{
aee0afb8
CC		 650 struct asus_led *led = container_of(led_cdev, struct asus_led, led);
651 struct asus_laptop *asus = led->asus;
d99b577c
CC		 652
653 return asus_kled_lvl(asus);
b7d3fbc2
CC		 654}
655
be4ee82d
CC		 656static void asus_led_exit(struct asus_laptop *asus)
657{
774b0678
CC		 658 if (!IS_ERR_OR_NULL(asus->wled.led.dev))
659 led_classdev_unregister(&asus->wled.led);
660 if (!IS_ERR_OR_NULL(asus->bled.led.dev))
661 led_classdev_unregister(&asus->bled.led);
8fcf71aa 662 if (!IS_ERR_OR_NULL(asus->mled.led.dev))
aee0afb8 663 led_classdev_unregister(&asus->mled.led);
8fcf71aa 664 if (!IS_ERR_OR_NULL(asus->tled.led.dev))
aee0afb8 665 led_classdev_unregister(&asus->tled.led);
8fcf71aa 666 if (!IS_ERR_OR_NULL(asus->pled.led.dev))
aee0afb8 667 led_classdev_unregister(&asus->pled.led);
8fcf71aa 668 if (!IS_ERR_OR_NULL(asus->rled.led.dev))
aee0afb8 669 led_classdev_unregister(&asus->rled.led);
8fcf71aa 670 if (!IS_ERR_OR_NULL(asus->gled.led.dev))
aee0afb8 671 led_classdev_unregister(&asus->gled.led);
8fcf71aa 672 if (!IS_ERR_OR_NULL(asus->kled.led.dev))
aee0afb8
CC		 673 led_classdev_unregister(&asus->kled.led);
674 if (asus->led_workqueue) {
675 destroy_workqueue(asus->led_workqueue);
676 asus->led_workqueue = NULL;
be4ee82d
CC		 677 }
678}
679
680/* Ugly macro, need to fix that later */
aee0afb8
CC		 681static int asus_led_register(struct asus_laptop *asus,
682 struct asus_led *led,
683 const char *name, const char *method)
684{
685 struct led_classdev *led_cdev = &led->led;
686
687 if (!method || acpi_check_handle(asus->handle, method, NULL))
060cbce6 688 return 0; /* Led not present */
aee0afb8
CC		 689
690 led->asus = asus;
691 led->method = method;
692
693 INIT_WORK(&led->work, asus_led_cdev_update);
694 led_cdev->name = name;
695 led_cdev->brightness_set = asus_led_cdev_set;
696 led_cdev->brightness_get = asus_led_cdev_get;
697 led_cdev->max_brightness = 1;
698 return led_classdev_register(&asus->platform_device->dev, led_cdev);
699}
be4ee82d
CC		 700
701static int asus_led_init(struct asus_laptop *asus)
702{
774b0678 703 int r = 0;
be4ee82d 704
8d38e42c
CC		 705 /*
706 * The Pegatron Lucid has no physical leds, but all methods are
707 * available in the DSDT...
708 */
709 if (asus->is_pega_lucid)
710 return 0;
711
be4ee82d
CC		 712 /*
713 * Functions that actually update the LED's are called from a
714 * workqueue. By doing this as separate work rather than when the LED
715 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
716 * potentially bad time, such as a timer interrupt.
717 */
aee0afb8
CC		 718 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
719 if (!asus->led_workqueue)
be4ee82d
CC		 720 return -ENOMEM;
721
774b0678
CC		 722 if (asus->wled_type == TYPE_LED)
723 r = asus_led_register(asus, &asus->wled, "asus::wlan",
724 METHOD_WLAN);
725 if (r)
726 goto error;
727 if (asus->bled_type == TYPE_LED)
728 r = asus_led_register(asus, &asus->bled, "asus::bluetooth",
729 METHOD_BLUETOOTH);
730 if (r)
731 goto error;
aee0afb8
CC		 732 r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
733 if (r)
734 goto error;
735 r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
736 if (r)
737 goto error;
738 r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
739 if (r)
740 goto error;
741 r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
742 if (r)
743 goto error;
744 r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
745 if (r)
746 goto error;
d99b577c 747 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
aee0afb8
CC		 748 !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
749 struct asus_led *led = &asus->kled;
750 struct led_classdev *cdev = &led->led;
751
752 led->asus = asus;
753
754 INIT_WORK(&led->work, asus_kled_cdev_update);
755 cdev->name = "asus::kbd_backlight";
756 cdev->brightness_set = asus_kled_cdev_set;
757 cdev->brightness_get = asus_kled_cdev_get;
758 cdev->max_brightness = 3;
759 r = led_classdev_register(&asus->platform_device->dev, cdev);
760 }
be4ee82d 761error:
aee0afb8 762 if (r)
be4ee82d 763 asus_led_exit(asus);
aee0afb8 764 return r;
be4ee82d
CC		 765}
766
767/*
768 * Backlight device
769 */
4d441513 770static int asus_read_brightness(struct backlight_device *bd)
6b7091e7 771{
d99b577c 772 struct asus_laptop *asus = bl_get_data(bd);
27663c58 773 unsigned long long value;
2ce6d993 774 acpi_status rv;
6b7091e7 775
d99b577c
CC		 776 rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,
777 NULL, &value);
198b618a 778 if (ACPI_FAILURE(rv)) {
5ad77dcf 779 pr_warn("Error reading brightness\n");
198b618a
GS		 780 return 0;
781 }
6b7091e7
CC		 782
783 return value;
784}
785
4d441513 786static int asus_set_brightness(struct backlight_device *bd, int value)
6b7091e7 787{
d99b577c
CC		 788 struct asus_laptop *asus = bl_get_data(bd);
789
790 if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {
5ad77dcf 791 pr_warn("Error changing brightness\n");
e5b50f6a 792 return -EIO;
6b7091e7 793 }
e5b50f6a 794 return 0;
6b7091e7
CC		 795}
796
797static int update_bl_status(struct backlight_device *bd)
798{
599a52d1 799 int value = bd->props.brightness;
6b7091e7 800
3b81cf9d 801 return asus_set_brightness(bd, value);
6b7091e7
CC		 802}
803
acc2472e 804static const struct backlight_ops asusbl_ops = {
4d441513 805 .get_brightness = asus_read_brightness,
be4ee82d
CC		 806 .update_status = update_bl_status,
807};
808
a539df5e
CC		 809static int asus_backlight_notify(struct asus_laptop *asus)
810{
811 struct backlight_device *bd = asus->backlight_device;
812 int old = bd->props.brightness;
813
814 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
815
816 return old;
817}
818
be4ee82d
CC		 819static int asus_backlight_init(struct asus_laptop *asus)
820{
821 struct backlight_device *bd;
a19a6ee6 822 struct backlight_properties props;
be4ee82d 823
71e687dc 824 if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
3b81cf9d 825 acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
71e687dc 826 return 0;
be4ee82d 827
71e687dc
CC		 828 memset(&props, 0, sizeof(struct backlight_properties));
829 props.max_brightness = 15;
bb7ca747 830 props.type = BACKLIGHT_PLATFORM;
be4ee82d 831
71e687dc
CC		 832 bd = backlight_device_register(ASUS_LAPTOP_FILE,
833 &asus->platform_device->dev, asus,
834 &asusbl_ops, &props);
835 if (IS_ERR(bd)) {
836 pr_err("Could not register asus backlight device\n");
837 asus->backlight_device = NULL;
838 return PTR_ERR(bd);
be4ee82d 839 }
71e687dc
CC		 840
841 asus->backlight_device = bd;
842 bd->props.brightness = asus_read_brightness(bd);
843 bd->props.power = FB_BLANK_UNBLANK;
844 backlight_update_status(bd);
be4ee82d
CC		 845 return 0;
846}
847
848static void asus_backlight_exit(struct asus_laptop *asus)
849{
00981810 850 backlight_device_unregister(asus->backlight_device);
a539df5e 851 asus->backlight_device = NULL;
be4ee82d
CC		 852}
853
85091b71
CC		 854/*
855 * Platform device handlers
856 */
857
858/*
859 * We write our info in page, we begin at offset off and cannot write more
860 * than count bytes. We set eof to 1 if we handle those 2 values. We return the
861 * number of bytes written in page
862 */
ed52ccbc
VD		 863static ssize_t infos_show(struct device *dev, struct device_attribute *attr,
864 char *page)
85091b71 865{
9129d14d 866 struct asus_laptop *asus = dev_get_drvdata(dev);
85091b71 867 int len = 0;
27663c58 868 unsigned long long temp;
be966660 869 char buf[16]; /* enough for all info */
2ce6d993 870 acpi_status rv;
9a816850 871
85091b71 872 /*
060cbce6
CC		 873 * We use the easy way, we don't care of off and count,
874 * so we don't set eof to 1
85091b71
CC		 875 */
876
50a90c4d
CC		 877 len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
878 len += sprintf(page + len, "Model reference : %s\n", asus->name);
85091b71
CC		 879 /*
880 * The SFUN method probably allows the original driver to get the list
881 * of features supported by a given model. For now, 0x0100 or 0x0800
882 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
883 * The significance of others is yet to be found.
884 */
50a90c4d 885 rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
9a816850 886 if (!ACPI_FAILURE(rv))
1d4a3800
CC		 887 len += sprintf(page + len, "SFUN value : %#x\n",
888 (uint) temp);
889 /*
890 * The HWRS method return informations about the hardware.
891 * 0x80 bit is for WLAN, 0x100 for Bluetooth.
cb7da022 892 * 0x40 for WWAN, 0x10 for WIMAX.
1d4a3800 893 * The significance of others is yet to be found.
cb7da022
BH		 894 * We don't currently use this for device detection, and it
895 * takes several seconds to run on some systems.
1d4a3800 896 */
8871e99f 897 rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
1d4a3800 898 if (!ACPI_FAILURE(rv))
8871e99f 899 len += sprintf(page + len, "HWRS value : %#x\n",
9a816850 900 (uint) temp);
85091b71
CC		 901 /*
902 * Another value for userspace: the ASYM method returns 0x02 for
903 * battery low and 0x04 for battery critical, its readings tend to be
904 * more accurate than those provided by _BST.
905 * Note: since not all the laptops provide this method, errors are
906 * silently ignored.
907 */
50a90c4d 908 rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
9a816850 909 if (!ACPI_FAILURE(rv))
1d4a3800 910 len += sprintf(page + len, "ASYM value : %#x\n",
9a816850 911 (uint) temp);
7c247645
CC		 912 if (asus->dsdt_info) {
913 snprintf(buf, 16, "%d", asus->dsdt_info->length);
85091b71 914 len += sprintf(page + len, "DSDT length : %s\n", buf);
7c247645 915 snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
85091b71 916 len += sprintf(page + len, "DSDT checksum : %s\n", buf);
7c247645 917 snprintf(buf, 16, "%d", asus->dsdt_info->revision);
85091b71 918 len += sprintf(page + len, "DSDT revision : %s\n", buf);
7c247645 919 snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
85091b71 920 len += sprintf(page + len, "OEM id : %s\n", buf);
7c247645 921 snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
85091b71 922 len += sprintf(page + len, "OEM table id : %s\n", buf);
7c247645 923 snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
85091b71 924 len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
7c247645 925 snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
85091b71 926 len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
7c247645 927 snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
85091b71
CC		 928 len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
929 }
930
931 return len;
932}
ed52ccbc 933static DEVICE_ATTR_RO(infos);
85091b71
CC		 934
935static int parse_arg(const char *buf, unsigned long count, int *val)
936{
937 if (!count)
938 return 0;
939 if (count > 31)
940 return -EINVAL;
941 if (sscanf(buf, "%i", val) != 1)
942 return -EINVAL;
943 return count;
944}
945
17e78f62
CC		 946static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
947 const char *buf, size_t count,
d99b577c 948 const char *method)
4564de17
CC		 949{
950 int rv, value;
4564de17
CC		 951
952 rv = parse_arg(buf, count, &value);
19d46ee1
GS		 953 if (rv <= 0)
954 return rv;
4564de17 955
d99b577c 956 if (write_acpi_int(asus->handle, method, value))
17e78f62 957 return -ENODEV;
4564de17
CC		 958 return rv;
959}
960
722ad971
CC		 961/*
962 * LEDD display
963 */
ed52ccbc
VD		 964static ssize_t ledd_show(struct device *dev, struct device_attribute *attr,
965 char *buf)
722ad971 966{
9129d14d
CC		 967 struct asus_laptop *asus = dev_get_drvdata(dev);
968
50a90c4d 969 return sprintf(buf, "0x%08x\n", asus->ledd_status);
722ad971
CC		 970}
971
ed52ccbc 972static ssize_t ledd_store(struct device *dev, struct device_attribute *attr,
722ad971
CC		 973 const char *buf, size_t count)
974{
9129d14d 975 struct asus_laptop *asus = dev_get_drvdata(dev);
722ad971
CC		 976 int rv, value;
977
978 rv = parse_arg(buf, count, &value);
979 if (rv > 0) {
6a984a06 980 if (write_acpi_int(asus->handle, METHOD_LEDD, value)) {
5ad77dcf 981 pr_warn("LED display write failed\n");
6a984a06
AL		 982 return -ENODEV;
983 }
984 asus->ledd_status = (u32) value;
722ad971
CC		 985 }
986 return rv;
987}
ed52ccbc 988static DEVICE_ATTR_RW(ledd);
722ad971 989
aa9df930
CC		 990/*
991 * Wireless
992 */
993static int asus_wireless_status(struct asus_laptop *asus, int mask)
994{
995 unsigned long long status;
996 acpi_status rv = AE_OK;
997
998 if (!asus->have_rsts)
999 return (asus->wireless_status & mask) ? 1 : 0;
1000
d99b577c
CC		 1001 rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,
1002 NULL, &status);
aa9df930 1003 if (ACPI_FAILURE(rv)) {
5ad77dcf 1004 pr_warn("Error reading Wireless status\n");
aa9df930
CC		 1005 return -EINVAL;
1006 }
1007 return !!(status & mask);
1008}
1009
4564de17
CC		 1010/*
1011 * WLAN
1012 */
e5593bf1
CC		 1013static int asus_wlan_set(struct asus_laptop *asus, int status)
1014{
1015 if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {
5ad77dcf 1016 pr_warn("Error setting wlan status to %d\n", status);
e5593bf1
CC		 1017 return -EIO;
1018 }
1019 return 0;
1020}
1021
ed52ccbc
VD		 1022static ssize_t wlan_show(struct device *dev, struct device_attribute *attr,
1023 char *buf)
4564de17 1024{
9129d14d
CC		 1025 struct asus_laptop *asus = dev_get_drvdata(dev);
1026
17e78f62 1027 return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
4564de17
CC		 1028}
1029
ed52ccbc 1030static ssize_t wlan_store(struct device *dev, struct device_attribute *attr,
4564de17
CC		 1031 const char *buf, size_t count)
1032{
9129d14d
CC		 1033 struct asus_laptop *asus = dev_get_drvdata(dev);
1034
d99b577c 1035 return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
4564de17 1036}
ed52ccbc 1037static DEVICE_ATTR_RW(wlan);
4564de17 1038
774b0678 1039/*e
4564de17
CC		 1040 * Bluetooth
1041 */
e5593bf1
CC		 1042static int asus_bluetooth_set(struct asus_laptop *asus, int status)
1043{
1044 if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {
5ad77dcf 1045 pr_warn("Error setting bluetooth status to %d\n", status);
e5593bf1
CC		 1046 return -EIO;
1047 }
1048 return 0;
1049}
1050
ed52ccbc
VD		 1051static ssize_t bluetooth_show(struct device *dev, struct device_attribute *attr,
1052 char *buf)
4564de17 1053{
9129d14d
CC		 1054 struct asus_laptop *asus = dev_get_drvdata(dev);
1055
17e78f62 1056 return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
4564de17
CC		 1057}
1058
ed52ccbc 1059static ssize_t bluetooth_store(struct device *dev,
8def05fa
LB		 1060 struct device_attribute *attr, const char *buf,
1061 size_t count)
4564de17 1062{
9129d14d
CC		 1063 struct asus_laptop *asus = dev_get_drvdata(dev);
1064
d99b577c 1065 return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH);
4564de17 1066}
ed52ccbc 1067static DEVICE_ATTR_RW(bluetooth);
4564de17 1068
ba1ff5be
CC		 1069/*
1070 * Wimax
1071 */
1072static int asus_wimax_set(struct asus_laptop *asus, int status)
1073{
1074 if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
5ad77dcf 1075 pr_warn("Error setting wimax status to %d\n", status);
ba1ff5be
CC		 1076 return -EIO;
1077 }
1078 return 0;
1079}
1080
ed52ccbc
VD		 1081static ssize_t wimax_show(struct device *dev, struct device_attribute *attr,
1082 char *buf)
ba1ff5be
CC		 1083{
1084 struct asus_laptop *asus = dev_get_drvdata(dev);
1085
1086 return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
1087}
1088
ed52ccbc
VD		 1089static ssize_t wimax_store(struct device *dev, struct device_attribute *attr,
1090 const char *buf, size_t count)
ba1ff5be
CC		 1091{
1092 struct asus_laptop *asus = dev_get_drvdata(dev);
1093
1094 return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
1095}
ed52ccbc 1096static DEVICE_ATTR_RW(wimax);
ba1ff5be
CC		 1097
1098/*
1099 * Wwan
1100 */
1101static int asus_wwan_set(struct asus_laptop *asus, int status)
1102{
1103 if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
5ad77dcf 1104 pr_warn("Error setting wwan status to %d\n", status);
ba1ff5be
CC		 1105 return -EIO;
1106 }
1107 return 0;
1108}
1109
ed52ccbc
VD		 1110static ssize_t wwan_show(struct device *dev, struct device_attribute *attr,
1111 char *buf)
ba1ff5be
CC		 1112{
1113 struct asus_laptop *asus = dev_get_drvdata(dev);
1114
1115 return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
1116}
1117
ed52ccbc
VD		 1118static ssize_t wwan_store(struct device *dev, struct device_attribute *attr,
1119 const char *buf, size_t count)
ba1ff5be
CC		 1120{
1121 struct asus_laptop *asus = dev_get_drvdata(dev);
1122
1123 return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
1124}
ed52ccbc 1125static DEVICE_ATTR_RW(wwan);
ba1ff5be 1126
78127b4a
CC		 1127/*
1128 * Display
1129 */
4d441513 1130static void asus_set_display(struct asus_laptop *asus, int value)
78127b4a
CC		 1131{
1132 /* no sanity check needed for now */
d99b577c 1133 if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))
5ad77dcf 1134 pr_warn("Error setting display\n");
78127b4a
CC		 1135 return;
1136}
1137
78127b4a
CC		 1138/*
1139 * Experimental support for display switching. As of now: 1 should activate
1140 * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
1141 * Any combination (bitwise) of these will suffice. I never actually tested 4
1142 * displays hooked up simultaneously, so be warned. See the acpi4asus README
1143 * for more info.
1144 */
ed52ccbc
VD		 1145static ssize_t display_store(struct device *dev, struct device_attribute *attr,
1146 const char *buf, size_t count)
78127b4a 1147{
9129d14d 1148 struct asus_laptop *asus = dev_get_drvdata(dev);
78127b4a
CC		 1149 int rv, value;
1150
1151 rv = parse_arg(buf, count, &value);
1152 if (rv > 0)
4d441513 1153 asus_set_display(asus, value);
78127b4a
CC		 1154 return rv;
1155}
ed52ccbc 1156static DEVICE_ATTR_WO(display);
78127b4a 1157
8b857353
CC		 1158/*
1159 * Light Sens
1160 */
4d441513 1161static void asus_als_switch(struct asus_laptop *asus, int value)
8b857353 1162{
33989ba6
AR		 1163 int ret;
1164
1165 if (asus->is_pega_lucid) {
1166 ret = asus_pega_lucid_set(asus, PEGA_ALS, value);
1167 if (!ret)
1168 ret = asus_pega_lucid_set(asus, PEGA_ALS_POWER, value);
1169 } else {
1170 ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
1171 }
1172 if (ret)
1173 pr_warning("Error setting light sensor switch\n");
1174
50a90c4d 1175 asus->light_switch = value;
8b857353
CC		 1176}
1177
ed52ccbc
VD		 1178static ssize_t ls_switch_show(struct device *dev, struct device_attribute *attr,
1179 char *buf)
8b857353 1180{
9129d14d
CC		 1181 struct asus_laptop *asus = dev_get_drvdata(dev);
1182
50a90c4d 1183 return sprintf(buf, "%d\n", asus->light_switch);
8b857353
CC		 1184}
1185
ed52ccbc
VD		 1186static ssize_t ls_switch_store(struct device *dev,
1187 struct device_attribute *attr, const char *buf,
1188 size_t count)
8b857353 1189{
9129d14d 1190 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1191 int rv, value;
1192
1193 rv = parse_arg(buf, count, &value);
1194 if (rv > 0)
4d441513 1195 asus_als_switch(asus, value ? 1 : 0);
8b857353
CC		 1196
1197 return rv;
1198}
ed52ccbc 1199static DEVICE_ATTR_RW(ls_switch);
8b857353 1200
4d441513 1201static void asus_als_level(struct asus_laptop *asus, int value)
8b857353 1202{
d99b577c 1203 if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))
5ad77dcf 1204 pr_warn("Error setting light sensor level\n");
50a90c4d 1205 asus->light_level = value;
8b857353
CC		 1206}
1207
ed52ccbc
VD		 1208static ssize_t ls_level_show(struct device *dev, struct device_attribute *attr,
1209 char *buf)
8b857353 1210{
9129d14d
CC		 1211 struct asus_laptop *asus = dev_get_drvdata(dev);
1212
50a90c4d 1213 return sprintf(buf, "%d\n", asus->light_level);
8b857353
CC		 1214}
1215
ed52ccbc
VD		 1216static ssize_t ls_level_store(struct device *dev, struct device_attribute *attr,
1217 const char *buf, size_t count)
8b857353 1218{
9129d14d 1219 struct asus_laptop *asus = dev_get_drvdata(dev);
8b857353
CC		 1220 int rv, value;
1221
1222 rv = parse_arg(buf, count, &value);
1223 if (rv > 0) {
1224 value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
1225 /* 0 <= value <= 15 */
4d441513 1226 asus_als_level(asus, value);
8b857353
CC		 1227 }
1228
1229 return rv;
1230}
ed52ccbc 1231static DEVICE_ATTR_RW(ls_level);
8b857353 1232
33989ba6
AR		 1233static int pega_int_read(struct asus_laptop *asus, int arg, int *result)
1234{
1235 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1236 int err = write_acpi_int_ret(asus->handle, METHOD_PEGA_READ, arg,
1237 &buffer);
1238 if (!err) {
1239 union acpi_object *obj = buffer.pointer;
1240 if (obj && obj->type == ACPI_TYPE_INTEGER)
1241 *result = obj->integer.value;
1242 else
1243 err = -EIO;
1244 }
1245 return err;
1246}
1247
ed52ccbc
VD		 1248static ssize_t ls_value_show(struct device *dev, struct device_attribute *attr,
1249 char *buf)
33989ba6
AR		 1250{
1251 struct asus_laptop *asus = dev_get_drvdata(dev);
1252 int err, hi, lo;
1253
1254 err = pega_int_read(asus, PEGA_READ_ALS_H, &hi);
1255 if (!err)
1256 err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
1257 if (!err)
1258 return sprintf(buf, "%d\n", 10 * hi + lo);
1259 return err;
1260}
ed52ccbc 1261static DEVICE_ATTR_RO(ls_value);
33989ba6 1262
e539c2f6
CC		 1263/*
1264 * GPS
1265 */
6358bf2c
CC		 1266static int asus_gps_status(struct asus_laptop *asus)
1267{
1268 unsigned long long status;
2ce6d993 1269 acpi_status rv;
6358bf2c 1270
d99b577c
CC		 1271 rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,
1272 NULL, &status);
6358bf2c 1273 if (ACPI_FAILURE(rv)) {
5ad77dcf 1274 pr_warn("Error reading GPS status\n");
6358bf2c
CC		 1275 return -ENODEV;
1276 }
1277 return !!status;
1278}
1279
1280static int asus_gps_switch(struct asus_laptop *asus, int status)
1281{
d99b577c 1282 const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF;
6358bf2c 1283
d99b577c 1284 if (write_acpi_int(asus->handle, meth, 0x02))
6358bf2c
CC		 1285 return -ENODEV;
1286 return 0;
1287}
1288
ed52ccbc
VD		 1289static ssize_t gps_show(struct device *dev, struct device_attribute *attr,
1290 char *buf)
e539c2f6 1291{
9129d14d
CC		 1292 struct asus_laptop *asus = dev_get_drvdata(dev);
1293
6358bf2c 1294 return sprintf(buf, "%d\n", asus_gps_status(asus));
e539c2f6
CC		 1295}
1296
ed52ccbc 1297static ssize_t gps_store(struct device *dev, struct device_attribute *attr,
e539c2f6
CC		 1298 const char *buf, size_t count)
1299{
060cbce6 1300 struct asus_laptop *asus = dev_get_drvdata(dev);
6358bf2c
CC		 1301 int rv, value;
1302 int ret;
9129d14d 1303
6358bf2c
CC		 1304 rv = parse_arg(buf, count, &value);
1305 if (rv <= 0)
1306 return -EINVAL;
1307 ret = asus_gps_switch(asus, !!value);
1308 if (ret)
1309 return ret;
40969c7d 1310 rfkill_set_sw_state(asus->gps.rfkill, !value);
6358bf2c 1311 return rv;
e539c2f6 1312}
ed52ccbc 1313static DEVICE_ATTR_RW(gps);
e539c2f6 1314
18e1311e
CC		 1315/*
1316 * rfkill
1317 */
1318static int asus_gps_rfkill_set(void *data, bool blocked)
1319{
23f45c3a 1320 struct asus_laptop *asus = data;
18e1311e 1321
23f45c3a 1322 return asus_gps_switch(asus, !blocked);
18e1311e
CC		 1323}
1324
1325static const struct rfkill_ops asus_gps_rfkill_ops = {
1326 .set_block = asus_gps_rfkill_set,
1327};
1328
774b0678
CC		 1329static int asus_rfkill_set(void *data, bool blocked)
1330{
1331 struct asus_rfkill *rfk = data;
1332 struct asus_laptop *asus = rfk->asus;
1333
1334 if (rfk->control_id == WL_RSTS)
1335 return asus_wlan_set(asus, !blocked);
1336 else if (rfk->control_id == BT_RSTS)
1337 return asus_bluetooth_set(asus, !blocked);
3c8671ff
CC		 1338 else if (rfk->control_id == WM_RSTS)
1339 return asus_wimax_set(asus, !blocked);
1340 else if (rfk->control_id == WW_RSTS)
1341 return asus_wwan_set(asus, !blocked);
774b0678
CC		 1342
1343 return -EINVAL;
1344}
1345
1346static const struct rfkill_ops asus_rfkill_ops = {
1347 .set_block = asus_rfkill_set,
1348};
1349
40969c7d
CC		 1350static void asus_rfkill_terminate(struct asus_rfkill *rfk)
1351{
1352 if (!rfk->rfkill)
1353 return ;
1354
1355 rfkill_unregister(rfk->rfkill);
1356 rfkill_destroy(rfk->rfkill);
1357 rfk->rfkill = NULL;
1358}
1359
18e1311e
CC		 1360static void asus_rfkill_exit(struct asus_laptop *asus)
1361{
40969c7d
CC		 1362 asus_rfkill_terminate(&asus->wwan);
1363 asus_rfkill_terminate(&asus->bluetooth);
1364 asus_rfkill_terminate(&asus->wlan);
1365 asus_rfkill_terminate(&asus->gps);
18e1311e
CC		 1366}
1367
774b0678
CC		 1368static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1369 const char *name, int control_id, int type,
1370 const struct rfkill_ops *ops)
18e1311e
CC		 1371{
1372 int result;
1373
774b0678
CC		 1374 rfk->control_id = control_id;
1375 rfk->asus = asus;
1376 rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
1377 type, ops, rfk);
1378 if (!rfk->rfkill)
18e1311e
CC		 1379 return -EINVAL;
1380
774b0678 1381 result = rfkill_register(rfk->rfkill);
18e1311e 1382 if (result) {
774b0678
CC		 1383 rfkill_destroy(rfk->rfkill);
1384 rfk->rfkill = NULL;
18e1311e
CC		 1385 }
1386
1387 return result;
1388}
1389
774b0678
CC		 1390static int asus_rfkill_init(struct asus_laptop *asus)
1391{
1392 int result = 0;
1393
3c8671ff
CC		 1394 if (asus->is_pega_lucid)
1395 return -ENODEV;
1396
774b0678
CC		 1397 if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
1398 !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
1399 !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
1400 result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
1401 -1, RFKILL_TYPE_GPS,
1402 &asus_gps_rfkill_ops);
1403 if (result)
1404 goto exit;
1405
1406
26594dd4
CC		 1407 if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
1408 asus->wled_type == TYPE_RFKILL)
774b0678
CC		 1409 result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
1410 WL_RSTS, RFKILL_TYPE_WLAN,
1411 &asus_rfkill_ops);
1412 if (result)
1413 goto exit;
1414
26594dd4
CC		 1415 if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
1416 asus->bled_type == TYPE_RFKILL)
774b0678
CC		 1417 result = asus_rfkill_setup(asus, &asus->bluetooth,
1418 "asus-bluetooth", BT_RSTS,
1419 RFKILL_TYPE_BLUETOOTH,
1420 &asus_rfkill_ops);
1421 if (result)
1422 goto exit;
1423
3c8671ff
CC		 1424 if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
1425 result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
1426 WW_RSTS, RFKILL_TYPE_WWAN,
1427 &asus_rfkill_ops);
1428 if (result)
1429 goto exit;
1430
1431 if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
1432 result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
1433 WM_RSTS, RFKILL_TYPE_WIMAX,
1434 &asus_rfkill_ops);
1435 if (result)
1436 goto exit;
1437
774b0678
CC		 1438exit:
1439 if (result)
1440 asus_rfkill_exit(asus);
1441
1442 return result;
1443}
1444
14908399
AA		 1445static int pega_rfkill_set(void *data, bool blocked)
1446{
40969c7d 1447 struct asus_rfkill *rfk = data;
14908399 1448
40969c7d 1449 int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);
14908399
AA		 1450 return ret;
1451}
1452
1453static const struct rfkill_ops pega_rfkill_ops = {
1454 .set_block = pega_rfkill_set,
1455};
1456
40969c7d
CC		 1457static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
1458 const char *name, int controlid, int rfkill_type)
14908399 1459{
774b0678
CC		 1460 return asus_rfkill_setup(asus, rfk, name, controlid, rfkill_type,
1461 &pega_rfkill_ops);
14908399
AA		 1462}
1463
1464static int pega_rfkill_init(struct asus_laptop *asus)
1465{
1466 int ret = 0;
1467
1468 if(!asus->is_pega_lucid)
1469 return -ENODEV;
1470
40969c7d
CC		 1471 ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",
1472 PEGA_WLAN, RFKILL_TYPE_WLAN);
14908399 1473 if(ret)
40969c7d
CC		 1474 goto exit;
1475
1476 ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",
1477 PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
14908399 1478 if(ret)
40969c7d 1479 goto exit;
14908399 1480
40969c7d
CC		 1481 ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",
1482 PEGA_WWAN, RFKILL_TYPE_WWAN);
1483
1484exit:
1485 if (ret)
1486 asus_rfkill_exit(asus);
14908399
AA		 1487
1488 return ret;
1489}
1490
034ce90a 1491/*
be4ee82d 1492 * Input device (i.e. hotkeys)
034ce90a 1493 */
be4ee82d
CC		 1494static void asus_input_notify(struct asus_laptop *asus, int event)
1495{
e0ac9133
CC		 1496 if (!asus->inputdev)
1497 return ;
1498 if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
1499 pr_info("Unknown key %x pressed\n", event);
be4ee82d
CC		 1500}
1501
1502static int asus_input_init(struct asus_laptop *asus)
1503{
66a71dd1
CC		 1504 struct input_dev *input;
1505 int error;
be4ee82d 1506
66a71dd1 1507 input = input_allocate_device();
b222cca6 1508 if (!input)
45036ae1 1509 return -ENOMEM;
b222cca6 1510
66a71dd1
CC		 1511 input->name = "Asus Laptop extra buttons";
1512 input->phys = ASUS_LAPTOP_FILE "/input0";
1513 input->id.bustype = BUS_HOST;
1514 input->dev.parent = &asus->platform_device->dev;
66a71dd1
CC		 1515
1516 error = sparse_keymap_setup(input, asus_keymap, NULL);
1517 if (error) {
1518 pr_err("Unable to setup input device keymap\n");
45036ae1 1519 goto err_free_dev;
be4ee82d 1520 }
66a71dd1
CC		 1521 error = input_register_device(input);
1522 if (error) {
40969c7d 1523 pr_warn("Unable to register input device\n");
45036ae1 1524 goto err_free_keymap;
be4ee82d 1525 }
66a71dd1
CC		 1526
1527 asus->inputdev = input;
1528 return 0;
1529
45036ae1 1530err_free_keymap:
66a71dd1 1531 sparse_keymap_free(input);
45036ae1 1532err_free_dev:
66a71dd1
CC		 1533 input_free_device(input);
1534 return error;
be4ee82d
CC		 1535}
1536
1537static void asus_input_exit(struct asus_laptop *asus)
1538{
66a71dd1
CC		 1539 if (asus->inputdev) {
1540 sparse_keymap_free(asus->inputdev);
be4ee82d 1541 input_unregister_device(asus->inputdev);
66a71dd1 1542 }
71e687dc 1543 asus->inputdev = NULL;
be4ee82d
CC		 1544}
1545
1546/*
1547 * ACPI driver
1548 */
600ad520 1549static void asus_acpi_notify(struct acpi_device *device, u32 event)
85091b71 1550{
9129d14d 1551 struct asus_laptop *asus = acpi_driver_data(device);
6050c8dd 1552 u16 count;
034ce90a 1553
619d8b11 1554 /* TODO Find a better way to handle events count. */
50a90c4d 1555 count = asus->event_count[event % 128]++;
50a90c4d
CC		 1556 acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
1557 dev_name(&asus->device->dev), event,
6050c8dd 1558 count);
85091b71 1559
2740e1bd
CC		 1560 if (event >= ATKD_BRNUP_MIN && event <= ATKD_BRNUP_MAX)
1561 event = ATKD_BRNUP;
1562 else if (event >= ATKD_BRNDOWN_MIN &&
1563 event <= ATKD_BRNDOWN_MAX)
1564 event = ATKD_BRNDOWN;
a539df5e 1565
2740e1bd
CC		 1566 /* Brightness events are special */
1567 if (event == ATKD_BRNDOWN || event == ATKD_BRNUP) {
a539df5e
CC		 1568 if (asus->backlight_device != NULL) {
1569 /* Update the backlight device. */
1570 asus_backlight_notify(asus);
2740e1bd 1571 return ;
a539df5e 1572 }
a539df5e 1573 }
b93f8281
AA		 1574
1575 /* Accelerometer "coarse orientation change" event */
1576 if (asus->pega_accel_poll && event == 0xEA) {
1577 kobject_uevent(&asus->pega_accel_poll->input->dev.kobj,
1578 KOBJ_CHANGE);
1579 return ;
1580 }
1581
be4ee82d 1582 asus_input_notify(asus, event);
85091b71
CC		 1583}
1584
ac9b1e5b
DT		 1585static struct attribute *asus_attributes[] = {
1586 &dev_attr_infos.attr,
1587 &dev_attr_wlan.attr,
1588 &dev_attr_bluetooth.attr,
ba1ff5be
CC		 1589 &dev_attr_wimax.attr,
1590 &dev_attr_wwan.attr,
ac9b1e5b
DT		 1591 &dev_attr_display.attr,
1592 &dev_attr_ledd.attr,
33989ba6 1593 &dev_attr_ls_value.attr,
ac9b1e5b
DT		 1594 &dev_attr_ls_level.attr,
1595 &dev_attr_ls_switch.attr,
1596 &dev_attr_gps.attr,
1597 NULL
1598};
2a1fd64c 1599
587a1f16 1600static umode_t asus_sysfs_is_visible(struct kobject *kobj,
ac9b1e5b
DT		 1601 struct attribute *attr,
1602 int idx)
2a1fd64c 1603{
ac9b1e5b
DT		 1604 struct device *dev = container_of(kobj, struct device, kobj);
1605 struct platform_device *pdev = to_platform_device(dev);
1606 struct asus_laptop *asus = platform_get_drvdata(pdev);
1607 acpi_handle handle = asus->handle;
1608 bool supported;
1609
33989ba6
AR		 1610 if (asus->is_pega_lucid) {
1611 /* no ls_level interface on the Lucid */
1612 if (attr == &dev_attr_ls_switch.attr)
1613 supported = true;
1614 else if (attr == &dev_attr_ls_level.attr)
1615 supported = false;
1616 else
1617 goto normal;
1618
03070e7c 1619 return supported ? attr->mode : 0;
33989ba6
AR		 1620 }
1621
1622normal:
ac9b1e5b
DT		 1623 if (attr == &dev_attr_wlan.attr) {
1624 supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
1625
1626 } else if (attr == &dev_attr_bluetooth.attr) {
1627 supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
1628
1629 } else if (attr == &dev_attr_display.attr) {
1630 supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
1631
ba1ff5be
CC		 1632 } else if (attr == &dev_attr_wimax.attr) {
1633 supported =
1634 !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
1635
1636 } else if (attr == &dev_attr_wwan.attr) {
1637 supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
1638
ac9b1e5b
DT		 1639 } else if (attr == &dev_attr_ledd.attr) {
1640 supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
1641
1642 } else if (attr == &dev_attr_ls_switch.attr ||
1643 attr == &dev_attr_ls_level.attr) {
1644 supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
33989ba6
AR		 1645 !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
1646 } else if (attr == &dev_attr_ls_value.attr) {
1647 supported = asus->is_pega_lucid;
ac9b1e5b
DT		 1648 } else if (attr == &dev_attr_gps.attr) {
1649 supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
1650 !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
1651 !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
1652 } else {
1653 supported = true;
2a1fd64c
CC		 1654 }
1655
ac9b1e5b
DT		 1656 return supported ? attr->mode : 0;
1657}
2a1fd64c 1658
2a1fd64c 1659
ac9b1e5b
DT		 1660static const struct attribute_group asus_attr_group = {
1661 .is_visible = asus_sysfs_is_visible,
1662 .attrs = asus_attributes,
1663};
85091b71 1664
9129d14d 1665static int asus_platform_init(struct asus_laptop *asus)
600ad520 1666{
71e687dc 1667 int result;
600ad520 1668
50a90c4d
CC		 1669 asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1);
1670 if (!asus->platform_device)
600ad520 1671 return -ENOMEM;
9129d14d 1672 platform_set_drvdata(asus->platform_device, asus);
600ad520 1673
71e687dc
CC		 1674 result = platform_device_add(asus->platform_device);
1675 if (result)
600ad520
CC		 1676 goto fail_platform_device;
1677
ac9b1e5b
DT		 1678 result = sysfs_create_group(&asus->platform_device->dev.kobj,
1679 &asus_attr_group);
71e687dc 1680 if (result)
600ad520 1681 goto fail_sysfs;
ac9b1e5b 1682
600ad520
CC		 1683 return 0;
1684
1685fail_sysfs:
50a90c4d 1686 platform_device_del(asus->platform_device);
600ad520 1687fail_platform_device:
50a90c4d 1688 platform_device_put(asus->platform_device);
71e687dc 1689 return result;
600ad520
CC		 1690}
1691
9129d14d 1692static void asus_platform_exit(struct asus_laptop *asus)
600ad520 1693{
ac9b1e5b 1694 sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);
50a90c4d 1695 platform_device_unregister(asus->platform_device);
600ad520
CC		 1696}
1697
1698static struct platform_driver platform_driver = {
8def05fa 1699 .driver = {
9129d14d 1700 .name = ASUS_LAPTOP_FILE,
b23910c2 1701 },
85091b71
CC		 1702};
1703
85091b71 1704/*
50a90c4d
CC		 1705 * This function is used to initialize the context with right values. In this
1706 * method, we can make all the detection we want, and modify the asus_laptop
1707 * struct
85091b71 1708 */
7c247645 1709static int asus_laptop_get_info(struct asus_laptop *asus)
85091b71
CC		 1710{
1711 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
85091b71 1712 union acpi_object *model = NULL;
cb7da022 1713 unsigned long long bsts_result;
85091b71
CC		 1714 char *string = NULL;
1715 acpi_status status;
1716
1717 /*
1718 * Get DSDT headers early enough to allow for differentiating between
1719 * models, but late enough to allow acpi_bus_register_driver() to fail
1720 * before doing anything ACPI-specific. Should we encounter a machine,
1721 * which needs special handling (i.e. its hotkey device has a different
7c247645 1722 * HID), this bit will be moved.
85091b71 1723 */
7c247645 1724 status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
85091b71 1725 if (ACPI_FAILURE(status))
5ad77dcf 1726 pr_warn("Couldn't get the DSDT table header\n");
85091b71
CC		 1727
1728 /* We have to write 0 on init this far for all ASUS models */
50a90c4d 1729 if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
2fcc23da 1730 pr_err("Hotkey initialization failed\n");
85091b71
CC		 1731 return -ENODEV;
1732 }
1733
1734 /* This needs to be called for some laptops to init properly */
9a816850 1735 status =
50a90c4d 1736 acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
9a816850 1737 if (ACPI_FAILURE(status))
5ad77dcf 1738 pr_warn("Error calling BSTS\n");
85091b71 1739 else if (bsts_result)
2fcc23da 1740 pr_notice("BSTS called, 0x%02x returned\n",
9a816850 1741 (uint) bsts_result);
85091b71 1742
185e5af9 1743 /* This too ... */
e5593bf1
CC		 1744 if (write_acpi_int(asus->handle, "CWAP", wapf))
1745 pr_err("Error calling CWAP(%d)\n", wapf);
85091b71
CC		 1746 /*
1747 * Try to match the object returned by INIT to the specific model.
1748 * Handle every possible object (or the lack of thereof) the DSDT
1749 * writers might throw at us. When in trouble, we pass NULL to
1750 * asus_model_match() and try something completely different.
1751 */
1752 if (buffer.pointer) {
1753 model = buffer.pointer;
1754 switch (model->type) {
1755 case ACPI_TYPE_STRING:
1756 string = model->string.pointer;
1757 break;
1758 case ACPI_TYPE_BUFFER:
1759 string = model->buffer.pointer;
1760 break;
1761 default:
1762 string = "";
1763 break;
1764 }
1765 }
50a90c4d 1766 asus->name = kstrdup(string, GFP_KERNEL);
d8eca110
AL		 1767 if (!asus->name) {
1768 kfree(buffer.pointer);
85091b71 1769 return -ENOMEM;
d8eca110 1770 }
85091b71 1771
9f897484 1772 if (string)
2fcc23da 1773 pr_notice(" %s model detected\n", string);
85091b71 1774
d99b577c 1775 if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
aa9df930 1776 asus->have_rsts = true;
4564de17 1777
85091b71
CC		 1778 kfree(model);
1779
1780 return AE_OK;
1781}
1782
b859f159 1783static int asus_acpi_init(struct asus_laptop *asus)
85091b71 1784{
600ad520 1785 int result = 0;
85091b71 1786
50a90c4d 1787 result = acpi_bus_get_status(asus->device);
600ad520 1788 if (result)
85091b71 1789 return result;
50a90c4d 1790 if (!asus->device->status.present) {
600ad520 1791 pr_err("Hotkey device not present, aborting\n");
85091b71
CC		 1792 return -ENODEV;
1793 }
1794
7c247645 1795 result = asus_laptop_get_info(asus);
034ce90a 1796 if (result)
600ad520 1797 return result;
034ce90a 1798
774b0678
CC		 1799 if (!strcmp(bled_type, "led"))
1800 asus->bled_type = TYPE_LED;
1801 else if (!strcmp(bled_type, "rfkill"))
1802 asus->bled_type = TYPE_RFKILL;
1803
1804 if (!strcmp(wled_type, "led"))
1805 asus->wled_type = TYPE_LED;
1806 else if (!strcmp(wled_type, "rfkill"))
1807 asus->wled_type = TYPE_RFKILL;
1808
be4ee82d 1809 if (bluetooth_status >= 0)
e5593bf1
CC		 1810 asus_bluetooth_set(asus, !!bluetooth_status);
1811
d0930a2d
CC		 1812 if (wlan_status >= 0)
1813 asus_wlan_set(asus, !!wlan_status);
85091b71 1814
ba1ff5be
CC		 1815 if (wimax_status >= 0)
1816 asus_wimax_set(asus, !!wimax_status);
1817
1818 if (wwan_status >= 0)
1819 asus_wwan_set(asus, !!wwan_status);
1820
600ad520 1821 /* Keyboard Backlight is on by default */
d99b577c 1822 if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
4d441513 1823 asus_kled_set(asus, 1);
600ad520
CC		 1824
1825 /* LED display is off by default */
50a90c4d 1826 asus->ledd_status = 0xFFF;
600ad520
CC		 1827
1828 /* Set initial values of light sensor and level */
abec04db 1829 asus->light_switch = !!als_status;
be4ee82d 1830 asus->light_level = 5; /* level 5 for sensor sensitivity */
600ad520 1831
33989ba6
AR		 1832 if (asus->is_pega_lucid) {
1833 asus_als_switch(asus, asus->light_switch);
1834 } else if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
1835 !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
4d441513 1836 asus_als_switch(asus, asus->light_switch);
4d441513 1837 asus_als_level(asus, asus->light_level);
d99b577c 1838 }
600ad520 1839
600ad520
CC		 1840 return result;
1841}
1842
b859f159 1843static void asus_dmi_check(void)
af96f877
CC		 1844{
1845 const char *model;
1846
1847 model = dmi_get_system_info(DMI_PRODUCT_NAME);
1848 if (!model)
1849 return;
1850
1851 /* On L1400B WLED control the sound card, don't mess with it ... */
1852 if (strncmp(model, "L1400B", 6) == 0) {
1853 wlan_status = -1;
1854 }
1855}
1856
71e687dc
CC		 1857static bool asus_device_present;
1858
b859f159 1859static int asus_acpi_add(struct acpi_device *device)
600ad520 1860{
9129d14d 1861 struct asus_laptop *asus;
600ad520
CC		 1862 int result;
1863
1864 pr_notice("Asus Laptop Support version %s\n",
1865 ASUS_LAPTOP_VERSION);
50a90c4d
CC		 1866 asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL);
1867 if (!asus)
600ad520 1868 return -ENOMEM;
50a90c4d
CC		 1869 asus->handle = device->handle;
1870 strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME);
1871 strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS);
1872 device->driver_data = asus;
1873 asus->device = device;
600ad520 1874
af96f877
CC		 1875 asus_dmi_check();
1876
9129d14d 1877 result = asus_acpi_init(asus);
8def05fa 1878 if (result)
600ad520 1879 goto fail_platform;
85091b71 1880
600ad520 1881 /*
8819de7f
AR		 1882 * Need platform type detection first, then the platform
1883 * device. It is used as a parent for the sub-devices below.
600ad520 1884 */
8819de7f 1885 asus->is_pega_lucid = asus_check_pega_lucid(asus);
9129d14d 1886 result = asus_platform_init(asus);
116bf2e0 1887 if (result)
600ad520 1888 goto fail_platform;
116bf2e0 1889
8b9e6b70 1890 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
9129d14d 1891 result = asus_backlight_init(asus);
116bf2e0
CC		 1892 if (result)
1893 goto fail_backlight;
8b9e6b70 1894 }
116bf2e0 1895
9129d14d 1896 result = asus_input_init(asus);
600ad520
CC		 1897 if (result)
1898 goto fail_input;
1899
9129d14d 1900 result = asus_led_init(asus);
600ad520
CC		 1901 if (result)
1902 goto fail_led;
1903
18e1311e 1904 result = asus_rfkill_init(asus);
3c8671ff 1905 if (result && result != -ENODEV)
18e1311e
CC		 1906 goto fail_rfkill;
1907
b23910c2
AR		 1908 result = pega_accel_init(asus);
1909 if (result && result != -ENODEV)
1910 goto fail_pega_accel;
1911
14908399
AA		 1912 result = pega_rfkill_init(asus);
1913 if (result && result != -ENODEV)
1914 goto fail_pega_rfkill;
1915
600ad520 1916 asus_device_present = true;
8def05fa 1917 return 0;
85091b71 1918
14908399
AA		 1919fail_pega_rfkill:
1920 pega_accel_exit(asus);
b23910c2
AR		 1921fail_pega_accel:
1922 asus_rfkill_exit(asus);
18e1311e
CC		 1923fail_rfkill:
1924 asus_led_exit(asus);
600ad520 1925fail_led:
9129d14d 1926 asus_input_exit(asus);
600ad520 1927fail_input:
9129d14d 1928 asus_backlight_exit(asus);
116bf2e0 1929fail_backlight:
9129d14d 1930 asus_platform_exit(asus);
600ad520 1931fail_platform:
50a90c4d 1932 kfree(asus);
116bf2e0 1933
600ad520
CC		 1934 return result;
1935}
116bf2e0 1936
51fac838 1937static int asus_acpi_remove(struct acpi_device *device)
600ad520 1938{
9129d14d
CC		 1939 struct asus_laptop *asus = acpi_driver_data(device);
1940
1941 asus_backlight_exit(asus);
18e1311e 1942 asus_rfkill_exit(asus);
9129d14d
CC		 1943 asus_led_exit(asus);
1944 asus_input_exit(asus);
b23910c2 1945 pega_accel_exit(asus);
9129d14d 1946 asus_platform_exit(asus);
600ad520 1947
50a90c4d
CC		 1948 kfree(asus->name);
1949 kfree(asus);
600ad520
CC		 1950 return 0;
1951}
1952
1953static const struct acpi_device_id asus_device_ids[] = {
1954 {"ATK0100", 0},
1955 {"ATK0101", 0},
1956 {"", 0},
1957};
1958MODULE_DEVICE_TABLE(acpi, asus_device_ids);
85091b71 1959
600ad520 1960static struct acpi_driver asus_acpi_driver = {
50a90c4d
CC		 1961 .name = ASUS_LAPTOP_NAME,
1962 .class = ASUS_LAPTOP_CLASS,
600ad520
CC		 1963 .owner = THIS_MODULE,
1964 .ids = asus_device_ids,
1965 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
1966 .ops = {
1967 .add = asus_acpi_add,
1968 .remove = asus_acpi_remove,
1969 .notify = asus_acpi_notify,
1970 },
1971};
85091b71 1972
600ad520
CC		 1973static int __init asus_laptop_init(void)
1974{
1975 int result;
85091b71 1976
600ad520
CC		 1977 result = platform_driver_register(&platform_driver);
1978 if (result < 0)
1979 return result;
034ce90a 1980
600ad520
CC		 1981 result = acpi_bus_register_driver(&asus_acpi_driver);
1982 if (result < 0)
1983 goto fail_acpi_driver;
1984 if (!asus_device_present) {
1985 result = -ENODEV;
1986 goto fail_no_device;
1987 }
1988 return 0;
85091b71 1989
600ad520
CC		 1990fail_no_device:
1991 acpi_bus_unregister_driver(&asus_acpi_driver);
1992fail_acpi_driver:
1993 platform_driver_unregister(&platform_driver);
85091b71
CC		 1994 return result;
1995}
1996
600ad520
CC		 1997static void __exit asus_laptop_exit(void)
1998{
1999 acpi_bus_unregister_driver(&asus_acpi_driver);
2000 platform_driver_unregister(&platform_driver);
2001}
2002
85091b71
CC		 2003module_init(asus_laptop_init);
2004module_exit(asus_laptop_exit);
Linux kernel - Deliverables
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