sys/dev/acpica/acpi_asus/acpi_asus.c

   1 /*-
   2  * Copyright (c) 2004, 2005 Philip Paeps <philip@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/dev/acpi_support/acpi_asus.c,v 1.44 2010/06/11 20:08:20 jkim Exp $
  27  */
  28
  29 /*
  30  * Driver for extra ACPI-controlled gadgets (hotkeys, leds, etc) found on
  31  * recent Asus (and Medion) laptops.  Inspired by the acpi4asus project which
  32  * implements these features in the Linux kernel.
  33  *
  34  *   <http://sourceforge.net/projects/acpi4asus/>
  35  *
  36  * Currently should support most features, but could use some more testing.
  37  * Particularly the display-switching stuff is a bit hairy.  If you have an
  38  * Asus laptop which doesn't appear to be supported, or strange things happen
  39  * when using this driver, please report to <acpi@FreeBSD.org>.
  40  */
  41
  42 #include "opt_acpi.h"
  43 #include <sys/param.h>
  44 #include <sys/kernel.h>
  45 #include <sys/module.h>
  46 #include <sys/bus.h>
  47 #include <sys/sbuf.h>
  48
  49 #include "acpi.h"
  50 #include "accommon.h"
  51 #include "acpivar.h"
  52
  53 #if defined(__FreeBSD__)
  54 #include <dev/led/led.h>
  55 #endif
  56
  57 /* Methods */
  58 #define ACPI_ASUS_METHOD_BRN    1
  59 #define ACPI_ASUS_METHOD_DISP   2
  60 #define ACPI_ASUS_METHOD_LCD    3
  61 #define ACPI_ASUS_METHOD_CAMERA 4
  62 #define ACPI_ASUS_METHOD_CARDRD 5
  63 #define ACPI_ASUS_METHOD_WLAN   6
  64
  65 #define _COMPONENT      ACPI_OEM
  66 ACPI_MODULE_NAME("ASUS")
  67
  68 struct acpi_asus_model {
  69         char    *name;
  70         char    *bled_set;
  71         char    *dled_set;
  72         char    *gled_set;
  73         char    *mled_set;
  74         char    *tled_set;
  75         char    *wled_set;
  76
  77         char    *brn_get;
  78         char    *brn_set;
  79         char    *brn_up;
  80         char    *brn_dn;
  81
  82         char    *lcd_get;
  83         char    *lcd_set;
  84
  85         char    *disp_get;
  86         char    *disp_set;
  87
  88         char    *cam_get;
  89         char    *cam_set;
  90
  91         char    *crd_get;
  92         char    *crd_set;
  93
  94         char    *wlan_get;
  95         char    *wlan_set;
  96
  97         void    (*n_func)(ACPI_HANDLE, UINT32, void *);
  98
  99         char    *lcdd;
 100         void    (*lcdd_n_func)(ACPI_HANDLE, UINT32, void *);
 101 };
 102
 103 struct acpi_asus_led {
 104         struct acpi_asus_softc *sc;
 105         struct cdev     *cdev;
 106         int             busy;
 107         int             state;
 108         enum {
 109                 ACPI_ASUS_LED_BLED,
 110                 ACPI_ASUS_LED_DLED,
 111                 ACPI_ASUS_LED_GLED,
 112                 ACPI_ASUS_LED_MLED,
 113                 ACPI_ASUS_LED_TLED,
 114                 ACPI_ASUS_LED_WLED,
 115         } type;
 116 };
 117
 118 struct acpi_asus_softc {
 119         device_t                dev;
 120         ACPI_HANDLE             handle;
 121         ACPI_HANDLE             lcdd_handle;
 122
 123         struct acpi_asus_model  *model;
 124         struct sysctl_ctx_list  sysctl_ctx;
 125         struct sysctl_oid       *sysctl_tree;
 126 #if defined(__FreeBSD__)
 127         struct acpi_asus_led    s_bled;
 128         struct acpi_asus_led    s_dled;
 129         struct acpi_asus_led    s_gled;
 130         struct acpi_asus_led    s_mled;
 131         struct acpi_asus_led    s_tled;
 132         struct acpi_asus_led    s_wled;
 133 #endif
 134
 135         int                     s_brn;
 136         int                     s_disp;
 137         int                     s_lcd;
 138         int                     s_cam;
 139         int                     s_crd;
 140         int                     s_wlan;
 141 };
 142
 143 static void     acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify,
 144     void *context);
 145
 146 /*
 147  * We can identify Asus laptops from the string they return
 148  * as a result of calling the ATK0100 'INIT' method.
 149  */
 150 static struct acpi_asus_model acpi_asus_models[] = {
 151         {
 152                 .name           = "xxN",
 153                 .mled_set       = "MLED",
 154                 .wled_set       = "WLED",
 155                 .lcd_get        = "\\BKLT",
 156                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 157                 .brn_get        = "GPLV",
 158                 .brn_set        = "SPLV",
 159                 .disp_get       = "\\ADVG",
 160                 .disp_set       = "SDSP"
 161         },
 162         {
 163                 .name           = "A1x",
 164                 .mled_set       = "MLED",
 165                 .lcd_get        = "\\BKLI",
 166                 .lcd_set        = "\\_SB.PCI0.ISA.EC0._Q10",
 167                 .brn_up         = "\\_SB.PCI0.ISA.EC0._Q0E",
 168                 .brn_dn         = "\\_SB.PCI0.ISA.EC0._Q0F"
 169         },
 170         {
 171                 .name           = "A2x",
 172                 .mled_set       = "MLED",
 173                 .wled_set       = "WLED",
 174                 .lcd_get        = "\\BAOF",
 175                 .lcd_set        = "\\Q10",
 176                 .brn_get        = "GPLV",
 177                 .brn_set        = "SPLV",
 178                 .disp_get       = "\\INFB",
 179                 .disp_set       = "SDSP"
 180         },
 181         {
 182                 .name           = "A3E",
 183                 .mled_set       = "MLED",
 184                 .wled_set       = "WLED",
 185                 .lcd_get        = "\\_SB.PCI0.SBRG.EC0.RPIN(0x67)",
 186                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 187                 .brn_get        = "GPLV",
 188                 .brn_set        = "SPLV",
 189                 .disp_get       = "\\_SB.PCI0.P0P2.VGA.GETD",
 190                 .disp_set       = "SDSP"
 191         },
 192         {
 193                 .name           = "A3F",
 194                 .mled_set       = "MLED",
 195                 .wled_set       = "WLED",
 196                 .bled_set       = "BLED",
 197                 .lcd_get        = "\\_SB.PCI0.SBRG.EC0.RPIN(0x11)",
 198                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 199                 .brn_get        = "GPLV",
 200                 .brn_set        = "SPLV",
 201                 .disp_get       = "\\SSTE",
 202                 .disp_set       = "SDSP"
 203         },
 204         {
 205                 .name           = "A3N",
 206                 .mled_set       = "MLED",
 207                 .bled_set       = "BLED",
 208                 .wled_set       = "WLED",
 209                 .lcd_get        = "\\BKLT",
 210                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 211                 .brn_get        = "GPLV",
 212                 .brn_set        = "SPLV",
 213                 .disp_get       = "\\_SB.PCI0.P0P3.VGA.GETD",
 214                 .disp_set       = "SDSP"
 215         },
 216         {
 217                 .name           = "A4D",
 218                 .mled_set       = "MLED",
 219                 .brn_up         = "\\_SB_.PCI0.SBRG.EC0._Q0E",
 220                 .brn_dn         = "\\_SB_.PCI0.SBRG.EC0._Q0F",
 221                 .brn_get        = "GPLV",
 222                 .brn_set        = "SPLV",
 223 #ifdef notyet
 224                 .disp_get       = "\\_SB_.PCI0.SBRG.EC0._Q10",
 225                 .disp_set       = "\\_SB_.PCI0.SBRG.EC0._Q11"
 226 #endif
 227         },
 228         {
 229                 .name           = "A6V",
 230                 .bled_set       = "BLED",
 231                 .mled_set       = "MLED",
 232                 .wled_set       = "WLED",
 233                 .lcd_get        = NULL,
 234                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 235                 .brn_get        = "GPLV",
 236                 .brn_set        = "SPLV",
 237                 .disp_get       = "\\_SB.PCI0.P0P3.VGA.GETD",
 238                 .disp_set       = "SDSP"
 239         },
 240         {
 241                 .name           = "A8SR",
 242                 .bled_set       = "BLED",
 243                 .mled_set       = "MLED",
 244                 .wled_set       = "WLED",
 245                 .lcd_get        = NULL,
 246                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 247                 .brn_get        = "GPLV",
 248                 .brn_set        = "SPLV",
 249                 .disp_get       = "\\_SB.PCI0.P0P1.VGA.GETD",
 250                 .disp_set       = "SDSP",
 251                 .lcdd           = "\\_SB.PCI0.P0P1.VGA.LCDD",
 252                 .lcdd_n_func    = acpi_asus_lcdd_notify
 253         },
 254         {
 255                 .name           = "D1x",
 256                 .mled_set       = "MLED",
 257                 .lcd_get        = "\\GP11",
 258                 .lcd_set        = "\\Q0D",
 259                 .brn_up         = "\\Q0C",
 260                 .brn_dn         = "\\Q0B",
 261                 .disp_get       = "\\INFB",
 262                 .disp_set       = "SDSP"
 263         },
 264         {
 265                 .name           = "G2K",
 266                 .bled_set       = "BLED",
 267                 .dled_set       = "DLED",
 268                 .gled_set       = "GLED",
 269                 .mled_set       = "MLED",
 270                 .tled_set       = "TLED",
 271                 .wled_set       = "WLED",
 272                 .brn_get        = "GPLV",
 273                 .brn_set        = "SPLV",
 274                 .lcd_get        = "GBTL",
 275                 .lcd_set        = "SBTL",
 276                 .disp_get       = "\\_SB.PCI0.PCE2.VGA.GETD",
 277                 .disp_set       = "SDSP",
 278         },
 279         {
 280                 .name           = "L2D",
 281                 .mled_set       = "MLED",
 282                 .wled_set       = "WLED",
 283                 .brn_up         = "\\Q0E",
 284                 .brn_dn         = "\\Q0F",
 285                 .lcd_get        = "\\SGP0",
 286                 .lcd_set        = "\\Q10"
 287         },
 288         {
 289                 .name           = "L3C",
 290                 .mled_set       = "MLED",
 291                 .wled_set       = "WLED",
 292                 .brn_get        = "GPLV",
 293                 .brn_set        = "SPLV",
 294                 .lcd_get        = "\\GL32",
 295                 .lcd_set        = "\\_SB.PCI0.PX40.ECD0._Q10"
 296         },
 297         {
 298                 .name           = "L3D",
 299                 .mled_set       = "MLED",
 300                 .wled_set       = "WLED",
 301                 .brn_get        = "GPLV",
 302                 .brn_set        = "SPLV",
 303                 .lcd_get        = "\\BKLG",
 304                 .lcd_set        = "\\Q10"
 305         },
 306         {
 307                 .name           = "L3H",
 308                 .mled_set       = "MLED",
 309                 .wled_set       = "WLED",
 310                 .brn_get        = "GPLV",
 311                 .brn_set        = "SPLV",
 312                 .lcd_get        = "\\_SB.PCI0.PM.PBC",
 313                 .lcd_set        = "EHK",
 314                 .disp_get       = "\\_SB.INFB",
 315                 .disp_set       = "SDSP"
 316         },
 317         {
 318                 .name           = "L4R",
 319                 .mled_set       = "MLED",
 320                 .wled_set       = "WLED",
 321                 .brn_get        = "GPLV",
 322                 .brn_set        = "SPLV",
 323                 .lcd_get        = "\\_SB.PCI0.SBSM.SEO4",
 324                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 325                 .disp_get       = "\\_SB.PCI0.P0P1.VGA.GETD",
 326                 .disp_set       = "SDSP"
 327         },
 328         {
 329                 .name           = "L5x",
 330                 .mled_set       = "MLED",
 331                 .tled_set       = "TLED",
 332                 .lcd_get        = "\\BAOF",
 333                 .lcd_set        = "\\Q0D",
 334                 .brn_get        = "GPLV",
 335                 .brn_set        = "SPLV",
 336                 .disp_get       = "\\INFB",
 337                 .disp_set       = "SDSP"
 338         },
 339         {
 340                 .name           = "L8L"
 341                 /* Only has hotkeys, apparently */
 342         },
 343         {
 344                 .name           = "M1A",
 345                 .mled_set       = "MLED",
 346                 .brn_up         = "\\_SB.PCI0.PX40.EC0.Q0E",
 347                 .brn_dn         = "\\_SB.PCI0.PX40.EC0.Q0F",
 348                 .lcd_get        = "\\PNOF",
 349                 .lcd_set        = "\\_SB.PCI0.PX40.EC0.Q10"
 350         },
 351         {
 352                 .name           = "M2E",
 353                 .mled_set       = "MLED",
 354                 .wled_set       = "WLED",
 355                 .brn_get        = "GPLV",
 356                 .brn_set        = "SPLV",
 357                 .lcd_get        = "\\GP06",
 358                 .lcd_set        = "\\Q10"
 359         },
 360         {
 361                 .name           = "M6N",
 362                 .mled_set       = "MLED",
 363                 .wled_set       = "WLED",
 364                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 365                 .lcd_get        = "\\_SB.BKLT",
 366                 .brn_set        = "SPLV",
 367                 .brn_get        = "GPLV",
 368                 .disp_set       = "SDSP",
 369                 .disp_get       = "\\SSTE"
 370         },
 371         {
 372                 .name           = "M6R",
 373                 .mled_set       = "MLED",
 374                 .wled_set       = "WLED",
 375                 .brn_get        = "GPLV",
 376                 .brn_set        = "SPLV",
 377                 .lcd_get        = "\\_SB.PCI0.SBSM.SEO4",
 378                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 379                 .disp_get       = "\\SSTE",
 380                 .disp_set       = "SDSP"
 381         },
 382         {
 383                 .name           = "S1x",
 384                 .mled_set       = "MLED",
 385                 .wled_set       = "WLED",
 386                 .lcd_get        = "\\PNOF",
 387                 .lcd_set        = "\\_SB.PCI0.PX40.Q10",
 388                 .brn_get        = "GPLV",
 389                 .brn_set        = "SPLV"
 390         },
 391         {
 392                 .name           = "S2x",
 393                 .mled_set       = "MLED",
 394                 .lcd_get        = "\\BKLI",
 395                 .lcd_set        = "\\_SB.PCI0.ISA.EC0._Q10",
 396                 .brn_up         = "\\_SB.PCI0.ISA.EC0._Q0B",
 397                 .brn_dn         = "\\_SB.PCI0.ISA.EC0._Q0A"
 398         },
 399         {
 400                 .name           = "V6V",
 401                 .bled_set       = "BLED",
 402                 .tled_set       = "TLED",
 403                 .wled_set       = "WLED",
 404                 .lcd_get        = "\\BKLT",
 405                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 406                 .brn_get        = "GPLV",
 407                 .brn_set        = "SPLV",
 408                 .disp_get       = "\\_SB.PCI0.P0P1.VGA.GETD",
 409                 .disp_set       = "SDSP"
 410         },
 411         {
 412                 .name           = "W5A",
 413                 .bled_set       = "BLED",
 414                 .lcd_get        = "\\BKLT",
 415                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 416                 .brn_get        = "GPLV",
 417                 .brn_set        = "SPLV",
 418                 .disp_get       = "\\_SB.PCI0.P0P2.VGA.GETD",
 419                 .disp_set       = "SDSP"
 420         },
 421
 422         { .name = NULL }
 423 };
 424
 425 /*
 426  * Samsung P30/P35 laptops have an Asus ATK0100 gadget interface,
 427  * but they can't be probed quite the same way as Asus laptops.
 428  */
 429 static struct acpi_asus_model acpi_samsung_models[] = {
 430         {
 431                 .name           = "P30",
 432                 .wled_set       = "WLED",
 433                 .brn_up         = "\\_SB.PCI0.LPCB.EC0._Q68",
 434                 .brn_dn         = "\\_SB.PCI0.LPCB.EC0._Q69",
 435                 .lcd_get        = "\\BKLT",
 436                 .lcd_set        = "\\_SB.PCI0.LPCB.EC0._Q0E"
 437         },
 438
 439         { .name = NULL }
 440 };
 441
 442 static void     acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context);
 443
 444 /*
 445  * EeePC have an Asus ASUS010 gadget interface,
 446  * but they can't be probed quite the same way as Asus laptops.
 447  */
 448 static struct acpi_asus_model acpi_eeepc_models[] = {
 449         {
 450                 .name           = "EEE",
 451                 .brn_get        = "\\_SB.ATKD.PBLG",
 452                 .brn_set        = "\\_SB.ATKD.PBLS",
 453                 .cam_get        = "\\_SB.ATKD.CAMG",
 454                 .cam_set        = "\\_SB.ATKD.CAMS",
 455                 .crd_set        = "\\_SB.ATKD.CRDS",
 456                 .crd_get        = "\\_SB.ATKD.CRDG",
 457                 .wlan_get       = "\\_SB.ATKD.WLDG",
 458                 .wlan_set       = "\\_SB.ATKD.WLDS",
 459                 .n_func         = acpi_asus_eeepc_notify
 460         },
 461
 462         { .name = NULL }
 463 };
 464
 465 static struct {
 466         char    *name;
 467         char    *description;
 468         int     method;
 469         int     flags;
 470 } acpi_asus_sysctls[] = {
 471         {
 472                 .name           = "lcd_backlight",
 473                 .method         = ACPI_ASUS_METHOD_LCD,
 474                 .description    = "state of the lcd backlight",
 475                 .flags          = CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY
 476         },
 477         {
 478                 .name           = "lcd_brightness",
 479                 .method         = ACPI_ASUS_METHOD_BRN,
 480                 .description    = "brightness of the lcd panel",
 481                 .flags          = CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY
 482         },
 483         {
 484                 .name           = "video_output",
 485                 .method         = ACPI_ASUS_METHOD_DISP,
 486                 .description    = "display output state",
 487                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 488         },
 489         {
 490                 .name           = "camera",
 491                 .method         = ACPI_ASUS_METHOD_CAMERA,
 492                 .description    = "internal camera state",
 493                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 494         },
 495         {
 496                 .name           = "cardreader",
 497                 .method         = ACPI_ASUS_METHOD_CARDRD,
 498                 .description    = "internal card reader state",
 499                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 500         },
 501         {
 502                 .name           = "wlan",
 503                 .method         = ACPI_ASUS_METHOD_WLAN,
 504                 .description    = "wireless lan state",
 505                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 506         },
 507
 508         { .name = NULL }
 509 };
 510
 511 ACPI_SERIAL_DECL(asus, "ACPI ASUS extras");
 512
 513 /* Function prototypes */
 514 static int      acpi_asus_probe(device_t dev);
 515 static int      acpi_asus_attach(device_t dev);
 516 static int      acpi_asus_detach(device_t dev);
 517
 518 #if defined(__FreeBSD__)
 519 static void     acpi_asus_led(struct acpi_asus_led *led, int state);
 520 static void     acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused);
 521 #endif
 522
 523 static int      acpi_asus_sysctl(SYSCTL_HANDLER_ARGS);
 524 static int      acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method);
 525 static int      acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method);
 526 static int      acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int val);
 527
 528 static void     acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context);
 529
 530 static device_method_t acpi_asus_methods[] = {
 531         DEVMETHOD(device_probe,  acpi_asus_probe),
 532         DEVMETHOD(device_attach, acpi_asus_attach),
 533         DEVMETHOD(device_detach, acpi_asus_detach),
 534
 535         DEVMETHOD_END
 536 };
 537
 538 static driver_t acpi_asus_driver = {
 539         "acpi_asus",
 540         acpi_asus_methods,
 541         sizeof(struct acpi_asus_softc)
 542 };
 543
 544 static devclass_t acpi_asus_devclass;
 545
 546 DRIVER_MODULE(acpi_asus, acpi, acpi_asus_driver, acpi_asus_devclass, NULL, NULL);
 547 MODULE_DEPEND(acpi_asus, acpi, 1, 1, 1);
 548
 549 static int
 550 acpi_asus_probe(device_t dev)
 551 {
 552         struct acpi_asus_model  *model;
 553         struct acpi_asus_softc  *sc;
 554         struct sbuf             *sb;
 555         ACPI_BUFFER             Buf;
 556         ACPI_OBJECT             Arg, *Obj;
 557         ACPI_OBJECT_LIST        Args;
 558         static char             *asus_ids[] = { "ATK0100", "ASUS010", NULL };
 559         char *rstr;
 560
 561         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 562
 563         if (acpi_disabled("asus"))
 564                 return (ENXIO);
 565         ACPI_SERIAL_INIT(asus);
 566         rstr = ACPI_ID_PROBE(device_get_parent(dev), dev, asus_ids);
 567         if (rstr == NULL) {
 568                 return (ENXIO);
 569         }
 570
 571         sc = device_get_softc(dev);
 572         sc->dev = dev;
 573         sc->handle = acpi_get_handle(dev);
 574
 575         Arg.Type = ACPI_TYPE_INTEGER;
 576         Arg.Integer.Value = 0;
 577
 578         Args.Count = 1;
 579         Args.Pointer = &Arg;
 580
 581         Buf.Pointer = NULL;
 582         Buf.Length = ACPI_ALLOCATE_BUFFER;
 583
 584         AcpiEvaluateObject(sc->handle, "INIT", &Args, &Buf);
 585         Obj = Buf.Pointer;
 586
 587         /*
 588          * The Samsung P30 returns a null-pointer from INIT, we
 589          * can identify it from the 'ODEM' string in the DSDT.
 590          */
 591         if (Obj->String.Pointer == NULL) {
 592                 ACPI_STATUS             status;
 593                 ACPI_TABLE_HEADER       th;
 594
 595                 status = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &th);
 596                 if (ACPI_FAILURE(status)) {
 597                         device_printf(dev, "Unsupported (Samsung?) laptop\n");
 598                         AcpiOsFree(Buf.Pointer);
 599                         return (ENXIO);
 600                 }
 601
 602                 if (strncmp("ODEM", th.OemTableId, 4) == 0) {
 603                         sc->model = &acpi_samsung_models[0];
 604                         device_set_desc(dev, "Samsung P30 Laptop Extras");
 605                         AcpiOsFree(Buf.Pointer);
 606                         return (0);
 607                 }
 608
 609                 /* EeePC */
 610                 if (strncmp("ASUS010", rstr, 7) == 0) {
 611                         sc->model = &acpi_eeepc_models[0];
 612                         device_set_desc(dev, "ASUS EeePC");
 613                         AcpiOsFree(Buf.Pointer);
 614                         return (0);
 615                 }
 616         }
 617
 618         sb = sbuf_new_auto();
 619         if (sb == NULL)
 620                 return (ENOMEM);
 621
 622         /*
 623          * Asus laptops are simply identified by name, easy!
 624          */
 625         for (model = acpi_asus_models; model->name != NULL; model++) {
 626                 if (strncmp(Obj->String.Pointer, model->name, 3) == 0) {
 627
 628 good:
 629                         sbuf_printf(sb, "Asus %s Laptop Extras",
 630                             Obj->String.Pointer);
 631                         sbuf_finish(sb);
 632
 633                         sc->model = model;
 634                         device_set_desc_copy(dev, sbuf_data(sb));
 635
 636                         sbuf_delete(sb);
 637                         AcpiOsFree(Buf.Pointer);
 638                         return (0);
 639                 }
 640
 641                 /*
 642                  * Some models look exactly the same as other models, but have
 643                  * their own ids.  If we spot these, set them up with the same
 644                  * details as the models they're like, possibly dealing with
 645                  * small differences.
 646                  *
 647                  * XXX: there must be a prettier way to do this!
 648                  */
 649                 else if (strncmp(model->name, "xxN", 3) == 0 &&
 650                     (strncmp(Obj->String.Pointer, "M3N", 3) == 0 ||
 651                      strncmp(Obj->String.Pointer, "S1N", 3) == 0))
 652                         goto good;
 653                 else if (strncmp(model->name, "A1x", 3) == 0 &&
 654                     strncmp(Obj->String.Pointer, "A1", 2) == 0)
 655                         goto good;
 656                 else if (strncmp(model->name, "A2x", 3) == 0 &&
 657                     strncmp(Obj->String.Pointer, "A2", 2) == 0)
 658                         goto good;
 659                 else if (strncmp(model->name, "A3F", 3) == 0 &&
 660                     strncmp(Obj->String.Pointer, "A6F", 3) == 0)
 661                         goto good;
 662                 else if (strncmp(model->name, "D1x", 3) == 0 &&
 663                     strncmp(Obj->String.Pointer, "D1", 2) == 0)
 664                         goto good;
 665                 else if (strncmp(model->name, "L3H", 3) == 0 &&
 666                     strncmp(Obj->String.Pointer, "L2E", 3) == 0)
 667                         goto good;
 668                 else if (strncmp(model->name, "L5x", 3) == 0 &&
 669                     strncmp(Obj->String.Pointer, "L5", 2) == 0)
 670                         goto good;
 671                 else if (strncmp(model->name, "M2E", 3) == 0 &&
 672                     (strncmp(Obj->String.Pointer, "M2", 2) == 0 ||
 673                      strncmp(Obj->String.Pointer, "L4E", 3) == 0))
 674                         goto good;
 675                 else if (strncmp(model->name, "S1x", 3) == 0 &&
 676                     (strncmp(Obj->String.Pointer, "L8", 2) == 0 ||
 677                      strncmp(Obj->String.Pointer, "S1", 2) == 0))
 678                         goto good;
 679                 else if (strncmp(model->name, "S2x", 3) == 0 &&
 680                     (strncmp(Obj->String.Pointer, "J1", 2) == 0 ||
 681                      strncmp(Obj->String.Pointer, "S2", 2) == 0))
 682                         goto good;
 683
 684                 /* L2B is like L3C but has no lcd_get method */
 685                 else if (strncmp(model->name, "L3C", 3) == 0 &&
 686                     strncmp(Obj->String.Pointer, "L2B", 3) == 0) {
 687                         model->lcd_get = NULL;
 688                         goto good;
 689                 }
 690
 691                 /* A3G is like M6R but with a different lcd_get method */
 692                 else if (strncmp(model->name, "M6R", 3) == 0 &&
 693                     strncmp(Obj->String.Pointer, "A3G", 3) == 0) {
 694                         model->lcd_get = "\\BLFG";
 695                         goto good;
 696                 }
 697
 698                 /* M2N and W1N are like xxN with added WLED */
 699                 else if (strncmp(model->name, "xxN", 3) == 0 &&
 700                     (strncmp(Obj->String.Pointer, "M2N", 3) == 0 ||
 701                      strncmp(Obj->String.Pointer, "W1N", 3) == 0)) {
 702                         model->wled_set = "WLED";
 703                         goto good;
 704                 }
 705
 706                 /* M5N and S5N are like xxN without MLED */
 707                 else if (strncmp(model->name, "xxN", 3) == 0 &&
 708                     (strncmp(Obj->String.Pointer, "M5N", 3) == 0 ||
 709                      strncmp(Obj->String.Pointer, "S5N", 3) == 0)) {
 710                         model->mled_set = NULL;
 711                         goto good;
 712                 }
 713         }
 714
 715         sbuf_printf(sb, "Unsupported Asus laptop: %s\n", Obj->String.Pointer);
 716         sbuf_finish(sb);
 717
 718         device_printf(dev, "%s", sbuf_data(sb));
 719
 720         sbuf_delete(sb);
 721         AcpiOsFree(Buf.Pointer);
 722
 723         return (ENXIO);
 724 }
 725
 726 static int
 727 acpi_asus_attach(device_t dev)
 728 {
 729         struct acpi_asus_softc  *sc;
 730         struct acpi_softc       *acpi_sc;
 731
 732         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 733
 734         sc = device_get_softc(dev);
 735         acpi_sc = acpi_device_get_parent_softc(dev);
 736
 737         /* Build sysctl tree */
 738         sysctl_ctx_init(&sc->sysctl_ctx);
 739         sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
 740             SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
 741             OID_AUTO, "asus", CTLFLAG_RD, 0, "");
 742
 743         /* Hook up nodes */
 744         for (int i = 0; acpi_asus_sysctls[i].name != NULL; i++) {
 745                 if (!acpi_asus_sysctl_init(sc, acpi_asus_sysctls[i].method))
 746                         continue;
 747
 748                 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
 749                     SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
 750                     acpi_asus_sysctls[i].name,
 751                     acpi_asus_sysctls[i].flags,
 752                     sc, i, acpi_asus_sysctl, "I",
 753                     acpi_asus_sysctls[i].description);
 754         }
 755
 756 #if defined(__FreeBSD__)
 757         /* Attach leds */
 758         if (sc->model->bled_set) {
 759                 sc->s_bled.busy = 0;
 760                 sc->s_bled.sc = sc;
 761                 sc->s_bled.type = ACPI_ASUS_LED_BLED;
 762                 sc->s_bled.cdev =
 763                     led_create_state((led_t *)acpi_asus_led, &sc->s_bled,
 764                         "bled", 1);
 765         }
 766
 767         if (sc->model->dled_set) {
 768                 sc->s_dled.busy = 0;
 769                 sc->s_dled.sc = sc;
 770                 sc->s_dled.type = ACPI_ASUS_LED_DLED;
 771                 sc->s_dled.cdev =
 772                     led_create((led_t *)acpi_asus_led, &sc->s_dled, "dled");
 773         }
 774
 775         if (sc->model->gled_set) {
 776                 sc->s_gled.busy = 0;
 777                 sc->s_gled.sc = sc;
 778                 sc->s_gled.type = ACPI_ASUS_LED_GLED;
 779                 sc->s_gled.cdev =
 780                     led_create((led_t *)acpi_asus_led, &sc->s_gled, "gled");
 781         }
 782
 783         if (sc->model->mled_set) {
 784                 sc->s_mled.busy = 0;
 785                 sc->s_mled.sc = sc;
 786                 sc->s_mled.type = ACPI_ASUS_LED_MLED;
 787                 sc->s_mled.cdev =
 788                     led_create((led_t *)acpi_asus_led, &sc->s_mled, "mled");
 789         }
 790
 791         if (sc->model->tled_set) {
 792                 sc->s_tled.busy = 0;
 793                 sc->s_tled.sc = sc;
 794                 sc->s_tled.type = ACPI_ASUS_LED_TLED;
 795                 sc->s_tled.cdev =
 796                     led_create_state((led_t *)acpi_asus_led, &sc->s_tled,
 797                         "tled", 1);
 798         }
 799
 800         if (sc->model->wled_set) {
 801                 sc->s_wled.busy = 0;
 802                 sc->s_wled.sc = sc;
 803                 sc->s_wled.type = ACPI_ASUS_LED_WLED;
 804                 sc->s_wled.cdev =
 805                     led_create_state((led_t *)acpi_asus_led, &sc->s_wled,
 806                         "wled", 1);
 807         }
 808 #endif
 809
 810         /* Activate hotkeys */
 811         AcpiEvaluateObject(sc->handle, "BSTS", NULL, NULL);
 812
 813         /* Handle notifies */
 814         if (sc->model->n_func == NULL)
 815                 sc->model->n_func = acpi_asus_notify;
 816
 817         AcpiInstallNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY,
 818             sc->model->n_func, dev);
 819
 820         /* Find and hook the 'LCDD' object */
 821         if (sc->model->lcdd != NULL && sc->model->lcdd_n_func != NULL) {
 822                 ACPI_STATUS res;
 823
 824                 sc->lcdd_handle = NULL;
 825                 res = AcpiGetHandle((sc->model->lcdd[0] == '\\' ?
 826                     NULL : sc->handle), sc->model->lcdd, &(sc->lcdd_handle));
 827                 if (ACPI_SUCCESS(res)) {
 828                         AcpiInstallNotifyHandler((sc->lcdd_handle),
 829                             ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func, dev);
 830                 } else {
 831                         kprintf("%s: unable to find LCD device '%s'\n",
 832                             __func__, sc->model->lcdd);
 833                 }
 834         }
 835
 836         return (0);
 837 }
 838
 839 static int
 840 acpi_asus_detach(device_t dev)
 841 {
 842         struct acpi_asus_softc  *sc;
 843
 844         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 845
 846         sc = device_get_softc(dev);
 847 #if defined(__FreeBSD)
 848         /* Turn the lights off */
 849         if (sc->model->bled_set)
 850                 led_destroy(sc->s_bled.cdev);
 851
 852         if (sc->model->dled_set)
 853                 led_destroy(sc->s_dled.cdev);
 854
 855         if (sc->model->gled_set)
 856                 led_destroy(sc->s_gled.cdev);
 857
 858         if (sc->model->mled_set)
 859                 led_destroy(sc->s_mled.cdev);
 860
 861         if (sc->model->tled_set)
 862                 led_destroy(sc->s_tled.cdev);
 863
 864         if (sc->model->wled_set)
 865                 led_destroy(sc->s_wled.cdev);
 866 #endif
 867
 868         /* Remove notify handler */
 869         AcpiRemoveNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY,
 870             acpi_asus_notify);
 871
 872         if (sc->lcdd_handle) {
 873                 KASSERT(sc->model->lcdd_n_func != NULL,
 874                     ("model->lcdd_n_func is NULL, but lcdd_handle is non-zero"));
 875                 AcpiRemoveNotifyHandler((sc->lcdd_handle),
 876                     ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func);
 877         }
 878
 879         /* Free sysctl tree */
 880         sysctl_ctx_free(&sc->sysctl_ctx);
 881
 882         return (0);
 883 }
 884
 885 #if defined(__FreeBSD__)
 886 static void
 887 acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused)
 888 {
 889         struct acpi_asus_softc  *sc;
 890         char                    *method;
 891         int                     state;
 892
 893         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 894
 895         sc = led->sc;
 896
 897         switch (led->type) {
 898         case ACPI_ASUS_LED_BLED:
 899                 method = sc->model->bled_set;
 900                 state = led->state;
 901                 break;
 902         case ACPI_ASUS_LED_DLED:
 903                 method = sc->model->dled_set;
 904                 state = led->state;
 905                 break;
 906         case ACPI_ASUS_LED_GLED:
 907                 method = sc->model->gled_set;
 908                 state = led->state + 1; /* 1: off, 2: on */
 909                 break;
 910         case ACPI_ASUS_LED_MLED:
 911                 method = sc->model->mled_set;
 912                 state = !led->state;    /* inverted */
 913                 break;
 914         case ACPI_ASUS_LED_TLED:
 915                 method = sc->model->tled_set;
 916                 state = led->state;
 917                 break;
 918         case ACPI_ASUS_LED_WLED:
 919                 method = sc->model->wled_set;
 920                 state = led->state;
 921                 break;
 922         default:
 923                 kprintf("acpi_asus_led: invalid LED type %d\n",
 924                     (int)led->type);
 925                 return;
 926         }
 927
 928         acpi_SetInteger(sc->handle, method, state);
 929         led->busy = 0;
 930 }
 931
 932 static void
 933 acpi_asus_led(struct acpi_asus_led *led, int state)
 934 {
 935
 936         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 937
 938         if (led->busy)
 939                 return;
 940
 941         led->busy = 1;
 942         led->state = state;
 943
 944         AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)acpi_asus_led_task, led);
 945 }
 946 #endif
 947
 948 static int
 949 acpi_asus_sysctl(SYSCTL_HANDLER_ARGS)
 950 {
 951         struct acpi_asus_softc  *sc;
 952         int                     arg;
 953         int                     error = 0;
 954         int                     function;
 955         int                     method;
 956
 957         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 958
 959         sc = (struct acpi_asus_softc *)oidp->oid_arg1;
 960         function = oidp->oid_arg2;
 961         method = acpi_asus_sysctls[function].method;
 962
 963         ACPI_SERIAL_BEGIN(asus);
 964         arg = acpi_asus_sysctl_get(sc, method);
 965         error = sysctl_handle_int(oidp, &arg, 0, req);
 966
 967         /* Sanity check */
 968         if (error != 0 || req->newptr == NULL)
 969                 goto out;
 970
 971         /* Update */
 972         error = acpi_asus_sysctl_set(sc, method, arg);
 973
 974 out:
 975         ACPI_SERIAL_END(asus);
 976         return (error);
 977 }
 978
 979 static int
 980 acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method)
 981 {
 982         int val = 0;
 983
 984         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 985         ACPI_SERIAL_ASSERT(asus);
 986
 987         switch (method) {
 988         case ACPI_ASUS_METHOD_BRN:
 989                 val = sc->s_brn;
 990                 break;
 991         case ACPI_ASUS_METHOD_DISP:
 992                 val = sc->s_disp;
 993                 break;
 994         case ACPI_ASUS_METHOD_LCD:
 995                 val = sc->s_lcd;
 996                 break;
 997         case ACPI_ASUS_METHOD_CAMERA:
 998                 val = sc->s_cam;
 999                 break;
1000         case ACPI_ASUS_METHOD_CARDRD:
1001                 val = sc->s_crd;
1002                 break;
1003         case ACPI_ASUS_METHOD_WLAN:
1004                 val = sc->s_wlan;
1005                 break;
1006         }
1007
1008         return (val);
1009 }
1010
1011 static int
1012 acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int arg)
1013 {
1014         ACPI_STATUS             status = AE_OK;
1015         ACPI_OBJECT_LIST        acpiargs;
1016         ACPI_OBJECT             acpiarg[1];
1017
1018         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1019         ACPI_SERIAL_ASSERT(asus);
1020
1021         acpiargs.Count = 1;
1022         acpiargs.Pointer = acpiarg;
1023         acpiarg[0].Type = ACPI_TYPE_INTEGER;
1024         acpiarg[0].Integer.Value = arg;
1025
1026         switch (method) {
1027         case ACPI_ASUS_METHOD_BRN:
1028                 if (arg < 0 || arg > 15)
1029                         return (EINVAL);
1030
1031                 if (sc->model->brn_set)
1032                         status = acpi_SetInteger(sc->handle,
1033                             sc->model->brn_set, arg);
1034                 else {
1035                         while (arg != 0) {
1036                                 status = AcpiEvaluateObject(sc->handle,
1037                                     (arg > 0) ?  sc->model->brn_up :
1038                                     sc->model->brn_dn, NULL, NULL);
1039                                 (arg > 0) ? arg-- : arg++;
1040                         }
1041                 }
1042
1043                 if (ACPI_SUCCESS(status))
1044                         sc->s_brn = arg;
1045
1046                 break;
1047         case ACPI_ASUS_METHOD_DISP:
1048                 if (arg < 0 || arg > 7)
1049                         return (EINVAL);
1050
1051                 status = acpi_SetInteger(sc->handle,
1052                     sc->model->disp_set, arg);
1053
1054                 if (ACPI_SUCCESS(status))
1055                         sc->s_disp = arg;
1056
1057                 break;
1058         case ACPI_ASUS_METHOD_LCD:
1059                 if (arg < 0 || arg > 1)
1060                         return (EINVAL);
1061
1062                 if (strncmp(sc->model->name, "L3H", 3) != 0)
1063                         status = AcpiEvaluateObject(sc->handle,
1064                             sc->model->lcd_set, NULL, NULL);
1065                 else
1066                         status = acpi_SetInteger(sc->handle,
1067                             sc->model->lcd_set, 0x7);
1068
1069                 if (ACPI_SUCCESS(status))
1070                         sc->s_lcd = arg;
1071
1072                 break;
1073         case ACPI_ASUS_METHOD_CAMERA:
1074                 if (arg < 0 || arg > 1)
1075                         return (EINVAL);
1076
1077                 status = AcpiEvaluateObject(sc->handle,
1078                     sc->model->cam_set, &acpiargs, NULL);
1079
1080                 if (ACPI_SUCCESS(status))
1081                         sc->s_cam = arg;
1082                 break;
1083         case ACPI_ASUS_METHOD_CARDRD:
1084                 if (arg < 0 || arg > 1)
1085                         return (EINVAL);
1086
1087                 status = AcpiEvaluateObject(sc->handle,
1088                     sc->model->crd_set, &acpiargs, NULL);
1089
1090                 if (ACPI_SUCCESS(status))
1091                         sc->s_crd = arg;
1092                 break;
1093         case ACPI_ASUS_METHOD_WLAN:
1094                 if (arg < 0 || arg > 1)
1095                         return (EINVAL);
1096
1097                 status = AcpiEvaluateObject(sc->handle,
1098                     sc->model->wlan_set, &acpiargs, NULL);
1099
1100                 if (ACPI_SUCCESS(status))
1101                         sc->s_wlan = arg;
1102                 break;
1103         }
1104
1105         return (0);
1106 }
1107
1108 static int
1109 acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method)
1110 {
1111         ACPI_STATUS     status;
1112
1113         switch (method) {
1114         case ACPI_ASUS_METHOD_BRN:
1115                 if (sc->model->brn_get) {
1116                         /* GPLV/SPLV models */
1117                         status = acpi_GetInteger(sc->handle,
1118                             sc->model->brn_get, &sc->s_brn);
1119                         if (ACPI_SUCCESS(status))
1120                                 return (TRUE);
1121                 } else if (sc->model->brn_up) {
1122                         /* Relative models */
1123                         status = AcpiEvaluateObject(sc->handle,
1124                             sc->model->brn_up, NULL, NULL);
1125                         if (ACPI_FAILURE(status))
1126                                 return (FALSE);
1127
1128                         status = AcpiEvaluateObject(sc->handle,
1129                             sc->model->brn_dn, NULL, NULL);
1130                         if (ACPI_FAILURE(status))
1131                                 return (FALSE);
1132
1133                         return (TRUE);
1134                 }
1135                 return (FALSE);
1136         case ACPI_ASUS_METHOD_DISP:
1137                 if (sc->model->disp_get) {
1138                         status = acpi_GetInteger(sc->handle,
1139                             sc->model->disp_get, &sc->s_disp);
1140                         if (ACPI_SUCCESS(status))
1141                                 return (TRUE);
1142                 }
1143                 return (FALSE);
1144         case ACPI_ASUS_METHOD_LCD:
1145                 if (sc->model->lcd_get) {
1146                         if (strncmp(sc->model->name, "L3H", 3) == 0) {
1147                                 ACPI_BUFFER             Buf;
1148                                 ACPI_OBJECT             Arg[2], Obj;
1149                                 ACPI_OBJECT_LIST        Args;
1150
1151                                 /* L3H is a bit special */
1152                                 Arg[0].Type = ACPI_TYPE_INTEGER;
1153                                 Arg[0].Integer.Value = 0x02;
1154                                 Arg[1].Type = ACPI_TYPE_INTEGER;
1155                                 Arg[1].Integer.Value = 0x03;
1156
1157                                 Args.Count = 2;
1158                                 Args.Pointer = Arg;
1159
1160                                 Buf.Length = sizeof(Obj);
1161                                 Buf.Pointer = &Obj;
1162
1163                                 status = AcpiEvaluateObject(sc->handle,
1164                                     sc->model->lcd_get, &Args, &Buf);
1165                                 if (ACPI_SUCCESS(status) &&
1166                                     Obj.Type == ACPI_TYPE_INTEGER) {
1167                                         sc->s_lcd = Obj.Integer.Value >> 8;
1168                                         return (TRUE);
1169                                 }
1170                         } else {
1171                                 status = acpi_GetInteger(sc->handle,
1172                                     sc->model->lcd_get, &sc->s_lcd);
1173                                 if (ACPI_SUCCESS(status))
1174                                         return (TRUE);
1175                         }
1176                 }
1177                 return (FALSE);
1178         case ACPI_ASUS_METHOD_CAMERA:
1179                 if (sc->model->cam_get) {
1180                         status = acpi_GetInteger(sc->handle,
1181                             sc->model->cam_get, &sc->s_cam);
1182                         if (ACPI_SUCCESS(status))
1183                                 return (TRUE);
1184                 }
1185                 return (FALSE);
1186         case ACPI_ASUS_METHOD_CARDRD:
1187                 if (sc->model->crd_get) {
1188                         status = acpi_GetInteger(sc->handle,
1189                             sc->model->crd_get, &sc->s_crd);
1190                         if (ACPI_SUCCESS(status))
1191                                 return (TRUE);
1192                 }
1193                 return (FALSE);
1194         case ACPI_ASUS_METHOD_WLAN:
1195                 if (sc->model->wlan_get) {
1196                         status = acpi_GetInteger(sc->handle,
1197                             sc->model->wlan_get, &sc->s_wlan);
1198                         if (ACPI_SUCCESS(status))
1199                                 return (TRUE);
1200                 }
1201                 return (FALSE);
1202         }
1203         return (FALSE);
1204 }
1205
1206 static void
1207 acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1208 {
1209         struct acpi_asus_softc  *sc;
1210         struct acpi_softc       *acpi_sc;
1211
1212         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1213
1214         sc = device_get_softc((device_t)context);
1215         acpi_sc = acpi_device_get_parent_softc(sc->dev);
1216
1217         ACPI_SERIAL_BEGIN(asus);
1218         if ((notify & ~0x10) <= 15) {
1219                 sc->s_brn = notify & ~0x10;
1220                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1221         } else if ((notify & ~0x20) <= 15) {
1222                 sc->s_brn = notify & ~0x20;
1223                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1224         } else if (notify == 0x33) {
1225                 sc->s_lcd = 1;
1226                 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned on\n");
1227         } else if (notify == 0x34) {
1228                 sc->s_lcd = 0;
1229                 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned off\n");
1230         } else if (notify == 0x86) {
1231                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1);
1232                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1233         } else if (notify == 0x87) {
1234                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1);
1235                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1236         } else {
1237                 /* Notify devd(8) */
1238                 acpi_UserNotify("ASUS", h, notify);
1239         }
1240         ACPI_SERIAL_END(asus);
1241 }
1242
1243 static void
1244 acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1245 {
1246         struct acpi_asus_softc  *sc;
1247         struct acpi_softc       *acpi_sc;
1248
1249         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1250
1251         sc = device_get_softc((device_t)context);
1252         acpi_sc = acpi_device_get_parent_softc(sc->dev);
1253
1254         ACPI_SERIAL_BEGIN(asus);
1255         switch (notify) {
1256         case 0x87:
1257                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1);
1258                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1259                 break;
1260         case 0x86:
1261                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1);
1262                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1263                 break;
1264         }
1265         ACPI_SERIAL_END(asus);
1266 }
1267
1268 static void
1269 acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1270 {
1271         struct acpi_asus_softc  *sc;
1272         struct acpi_softc       *acpi_sc;
1273
1274         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1275
1276         sc = device_get_softc((device_t)context);
1277         acpi_sc = acpi_device_get_parent_softc(sc->dev);
1278
1279         ACPI_SERIAL_BEGIN(asus);
1280         if ((notify & ~0x20) <= 15) {
1281                 sc->s_brn = notify & ~0x20;
1282                 ACPI_VPRINT(sc->dev, acpi_sc,
1283                     "Brightness increased/decreased\n");
1284         } else {
1285                 /* Notify devd(8) */
1286                 acpi_UserNotify("ASUS-Eee", h, notify);
1287         }
1288         ACPI_SERIAL_END(asus);
1289 }