sys/dev/acpica5/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  * $FreeBSD: src/sys/dev/acpi_support/acpi_asus.c,v 1.42 2009/06/05 18:44:36 jkim Exp
  26  */
  27
  28 #include <sys/cdefs.h>
  29
  30 /*
  31  * Driver for extra ACPI-controlled gadgets (hotkeys, leds, etc) found on
  32  * recent Asus (and Medion) laptops.  Inspired by the acpi4asus project which
  33  * implements these features in the Linux kernel.
  34  *
  35  *   <http://sourceforge.net/projects/acpi4asus/>
  36  *
  37  * Currently should support most features, but could use some more testing.
  38  * Particularly the display-switching stuff is a bit hairy.  If you have an
  39  * Asus laptop which doesn't appear to be supported, or strange things happen
  40  * when using this driver, please report to <acpi@FreeBSD.org>.
  41  */
  42
  43 #include "opt_acpi.h"
  44 #include <sys/param.h>
  45 #include <sys/kernel.h>
  46 #include <sys/module.h>
  47 #include <sys/bus.h>
  48 #include <sys/sbuf.h>
  49
  50 #include "acpi.h"
  51 #include "accommon.h"
  52 #include "acpivar.h"
  53
  54 #if defined(__FreeBSD__)
  55 #include <dev/led/led.h>
  56 #endif
  57
  58 /* Methods */
  59 #define ACPI_ASUS_METHOD_BRN    1
  60 #define ACPI_ASUS_METHOD_DISP   2
  61 #define ACPI_ASUS_METHOD_LCD    3
  62 #define ACPI_ASUS_METHOD_CAMERA 4
  63 #define ACPI_ASUS_METHOD_CARDRD 5
  64 #define ACPI_ASUS_METHOD_WLAN   6
  65
  66 #define _COMPONENT      ACPI_OEM
  67 ACPI_MODULE_NAME("ASUS")
  68
  69 struct acpi_asus_model {
  70         char    *name;
  71         char    *bled_set;
  72         char    *dled_set;
  73         char    *gled_set;
  74         char    *mled_set;
  75         char    *tled_set;
  76         char    *wled_set;
  77
  78         char    *brn_get;
  79         char    *brn_set;
  80         char    *brn_up;
  81         char    *brn_dn;
  82
  83         char    *lcd_get;
  84         char    *lcd_set;
  85
  86         char    *disp_get;
  87         char    *disp_set;
  88
  89         char    *cam_get;
  90         char    *cam_set;
  91
  92         char    *crd_get;
  93         char    *crd_set;
  94
  95         char    *wlan_get;
  96         char    *wlan_set;
  97
  98         void    (*n_func)(ACPI_HANDLE, UINT32, void *);
  99
 100         char    *lcdd;
 101         void    (*lcdd_n_func)(ACPI_HANDLE, UINT32, void *);
 102 };
 103
 104 struct acpi_asus_led {
 105         struct acpi_asus_softc *sc;
 106         struct cdev     *cdev;
 107         int             busy;
 108         int             state;
 109         enum {
 110                 ACPI_ASUS_LED_BLED,
 111                 ACPI_ASUS_LED_DLED,
 112                 ACPI_ASUS_LED_GLED,
 113                 ACPI_ASUS_LED_MLED,
 114                 ACPI_ASUS_LED_TLED,
 115                 ACPI_ASUS_LED_WLED,
 116         } type;
 117 };
 118
 119 struct acpi_asus_softc {
 120         device_t                dev;
 121         ACPI_HANDLE             handle;
 122         ACPI_HANDLE             lcdd_handle;
 123
 124         struct acpi_asus_model  *model;
 125         struct sysctl_ctx_list  sysctl_ctx;
 126         struct sysctl_oid       *sysctl_tree;
 127 #if defined(__FreeBSD__)
 128         struct acpi_asus_led    s_bled;
 129         struct acpi_asus_led    s_dled;
 130         struct acpi_asus_led    s_gled;
 131         struct acpi_asus_led    s_mled;
 132         struct acpi_asus_led    s_tled;
 133         struct acpi_asus_led    s_wled;
 134 #endif
 135
 136         int                     s_brn;
 137         int                     s_disp;
 138         int                     s_lcd;
 139         int                     s_cam;
 140         int                     s_crd;
 141         int                     s_wlan;
 142 };
 143
 144 static void     acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify,
 145     void *context);
 146
 147 /*
 148  * We can identify Asus laptops from the string they return
 149  * as a result of calling the ATK0100 'INIT' method.
 150  */
 151 static struct acpi_asus_model acpi_asus_models[] = {
 152         {
 153                 .name           = "xxN",
 154                 .mled_set       = "MLED",
 155                 .wled_set       = "WLED",
 156                 .lcd_get        = "\\BKLT",
 157                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 158                 .brn_get        = "GPLV",
 159                 .brn_set        = "SPLV",
 160                 .disp_get       = "\\ADVG",
 161                 .disp_set       = "SDSP"
 162         },
 163         {
 164                 .name           = "A1x",
 165                 .mled_set       = "MLED",
 166                 .lcd_get        = "\\BKLI",
 167                 .lcd_set        = "\\_SB.PCI0.ISA.EC0._Q10",
 168                 .brn_up         = "\\_SB.PCI0.ISA.EC0._Q0E",
 169                 .brn_dn         = "\\_SB.PCI0.ISA.EC0._Q0F"
 170         },
 171         {
 172                 .name           = "A2x",
 173                 .mled_set       = "MLED",
 174                 .wled_set       = "WLED",
 175                 .lcd_get        = "\\BAOF",
 176                 .lcd_set        = "\\Q10",
 177                 .brn_get        = "GPLV",
 178                 .brn_set        = "SPLV",
 179                 .disp_get       = "\\INFB",
 180                 .disp_set       = "SDSP"
 181         },
 182         {
 183                 .name           = "A3E",
 184                 .mled_set       = "MLED",
 185                 .wled_set       = "WLED",
 186                 .lcd_get        = "\\_SB.PCI0.SBRG.EC0.RPIN(0x67)",
 187                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 188                 .brn_get        = "GPLV",
 189                 .brn_set        = "SPLV",
 190                 .disp_get       = "\\_SB.PCI0.P0P2.VGA.GETD",
 191                 .disp_set       = "SDSP"
 192         },
 193         {
 194                 .name           = "A3F",
 195                 .mled_set       = "MLED",
 196                 .wled_set       = "WLED",
 197                 .bled_set       = "BLED",
 198                 .lcd_get        = "\\_SB.PCI0.SBRG.EC0.RPIN(0x11)",
 199                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 200                 .brn_get        = "GPLV",
 201                 .brn_set        = "SPLV",
 202                 .disp_get       = "\\SSTE",
 203                 .disp_set       = "SDSP"
 204         },
 205         {
 206                 .name           = "A3N",
 207                 .mled_set       = "MLED",
 208                 .bled_set       = "BLED",
 209                 .wled_set       = "WLED",
 210                 .lcd_get        = "\\BKLT",
 211                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 212                 .brn_get        = "GPLV",
 213                 .brn_set        = "SPLV",
 214                 .disp_get       = "\\_SB.PCI0.P0P3.VGA.GETD",
 215                 .disp_set       = "SDSP"
 216         },
 217         {
 218                 .name           = "A4D",
 219                 .mled_set       = "MLED",
 220                 .brn_up         = "\\_SB_.PCI0.SBRG.EC0._Q0E",
 221                 .brn_dn         = "\\_SB_.PCI0.SBRG.EC0._Q0F",
 222                 .brn_get        = "GPLV",
 223                 .brn_set        = "SPLV",
 224 #ifdef notyet
 225                 .disp_get       = "\\_SB_.PCI0.SBRG.EC0._Q10",
 226                 .disp_set       = "\\_SB_.PCI0.SBRG.EC0._Q11"
 227 #endif
 228         },
 229         {
 230                 .name           = "A6V",
 231                 .bled_set       = "BLED",
 232                 .mled_set       = "MLED",
 233                 .wled_set       = "WLED",
 234                 .lcd_get        = NULL,
 235                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 236                 .brn_get        = "GPLV",
 237                 .brn_set        = "SPLV",
 238                 .disp_get       = "\\_SB.PCI0.P0P3.VGA.GETD",
 239                 .disp_set       = "SDSP"
 240         },
 241         {
 242                 .name           = "A8SR",
 243                 .bled_set       = "BLED",
 244                 .mled_set       = "MLED",
 245                 .wled_set       = "WLED",
 246                 .lcd_get        = NULL,
 247                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 248                 .brn_get        = "GPLV",
 249                 .brn_set        = "SPLV",
 250                 .disp_get       = "\\_SB.PCI0.P0P1.VGA.GETD",
 251                 .disp_set       = "SDSP",
 252                 .lcdd           = "\\_SB.PCI0.P0P1.VGA.LCDD",
 253                 .lcdd_n_func    = acpi_asus_lcdd_notify
 254         },
 255         {
 256                 .name           = "D1x",
 257                 .mled_set       = "MLED",
 258                 .lcd_get        = "\\GP11",
 259                 .lcd_set        = "\\Q0D",
 260                 .brn_up         = "\\Q0C",
 261                 .brn_dn         = "\\Q0B",
 262                 .disp_get       = "\\INFB",
 263                 .disp_set       = "SDSP"
 264         },
 265         {
 266                 .name           = "G2K",
 267                 .bled_set       = "BLED",
 268                 .dled_set       = "DLED",
 269                 .gled_set       = "GLED",
 270                 .mled_set       = "MLED",
 271                 .tled_set       = "TLED",
 272                 .wled_set       = "WLED",
 273                 .brn_get        = "GPLV",
 274                 .brn_set        = "SPLV",
 275                 .lcd_get        = "\\_SB.PCI0.SBRG.EC0.RPIN",
 276                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 277                 .disp_get       = "\\_SB.PCI0.PCE2.VGA.GETD",
 278                 .disp_set       = "SDSP",
 279         },
 280         {
 281                 .name           = "L2D",
 282                 .mled_set       = "MLED",
 283                 .wled_set       = "WLED",
 284                 .brn_up         = "\\Q0E",
 285                 .brn_dn         = "\\Q0F",
 286                 .lcd_get        = "\\SGP0",
 287                 .lcd_set        = "\\Q10"
 288         },
 289         {
 290                 .name           = "L3C",
 291                 .mled_set       = "MLED",
 292                 .wled_set       = "WLED",
 293                 .brn_get        = "GPLV",
 294                 .brn_set        = "SPLV",
 295                 .lcd_get        = "\\GL32",
 296                 .lcd_set        = "\\_SB.PCI0.PX40.ECD0._Q10"
 297         },
 298         {
 299                 .name           = "L3D",
 300                 .mled_set       = "MLED",
 301                 .wled_set       = "WLED",
 302                 .brn_get        = "GPLV",
 303                 .brn_set        = "SPLV",
 304                 .lcd_get        = "\\BKLG",
 305                 .lcd_set        = "\\Q10"
 306         },
 307         {
 308                 .name           = "L3H",
 309                 .mled_set       = "MLED",
 310                 .wled_set       = "WLED",
 311                 .brn_get        = "GPLV",
 312                 .brn_set        = "SPLV",
 313                 .lcd_get        = "\\_SB.PCI0.PM.PBC",
 314                 .lcd_set        = "EHK",
 315                 .disp_get       = "\\_SB.INFB",
 316                 .disp_set       = "SDSP"
 317         },
 318         {
 319                 .name           = "L4R",
 320                 .mled_set       = "MLED",
 321                 .wled_set       = "WLED",
 322                 .brn_get        = "GPLV",
 323                 .brn_set        = "SPLV",
 324                 .lcd_get        = "\\_SB.PCI0.SBSM.SEO4",
 325                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 326                 .disp_get       = "\\_SB.PCI0.P0P1.VGA.GETD",
 327                 .disp_set       = "SDSP"
 328         },
 329         {
 330                 .name           = "L5x",
 331                 .mled_set       = "MLED",
 332                 .tled_set       = "TLED",
 333                 .lcd_get        = "\\BAOF",
 334                 .lcd_set        = "\\Q0D",
 335                 .brn_get        = "GPLV",
 336                 .brn_set        = "SPLV",
 337                 .disp_get       = "\\INFB",
 338                 .disp_set       = "SDSP"
 339         },
 340         {
 341                 .name           = "L8L"
 342                 /* Only has hotkeys, apparently */
 343         },
 344         {
 345                 .name           = "M1A",
 346                 .mled_set       = "MLED",
 347                 .brn_up         = "\\_SB.PCI0.PX40.EC0.Q0E",
 348                 .brn_dn         = "\\_SB.PCI0.PX40.EC0.Q0F",
 349                 .lcd_get        = "\\PNOF",
 350                 .lcd_set        = "\\_SB.PCI0.PX40.EC0.Q10"
 351         },
 352         {
 353                 .name           = "M2E",
 354                 .mled_set       = "MLED",
 355                 .wled_set       = "WLED",
 356                 .brn_get        = "GPLV",
 357                 .brn_set        = "SPLV",
 358                 .lcd_get        = "\\GP06",
 359                 .lcd_set        = "\\Q10"
 360         },
 361         {
 362                 .name           = "M6N",
 363                 .mled_set       = "MLED",
 364                 .wled_set       = "WLED",
 365                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 366                 .lcd_get        = "\\_SB.BKLT",
 367                 .brn_set        = "SPLV",
 368                 .brn_get        = "GPLV",
 369                 .disp_set       = "SDSP",
 370                 .disp_get       = "\\SSTE"
 371         },
 372         {
 373                 .name           = "M6R",
 374                 .mled_set       = "MLED",
 375                 .wled_set       = "WLED",
 376                 .brn_get        = "GPLV",
 377                 .brn_set        = "SPLV",
 378                 .lcd_get        = "\\_SB.PCI0.SBSM.SEO4",
 379                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 380                 .disp_get       = "\\SSTE",
 381                 .disp_set       = "SDSP"
 382         },
 383         {
 384                 .name           = "S1x",
 385                 .mled_set       = "MLED",
 386                 .wled_set       = "WLED",
 387                 .lcd_get        = "\\PNOF",
 388                 .lcd_set        = "\\_SB.PCI0.PX40.Q10",
 389                 .brn_get        = "GPLV",
 390                 .brn_set        = "SPLV"
 391         },
 392         {
 393                 .name           = "S2x",
 394                 .mled_set       = "MLED",
 395                 .lcd_get        = "\\BKLI",
 396                 .lcd_set        = "\\_SB.PCI0.ISA.EC0._Q10",
 397                 .brn_up         = "\\_SB.PCI0.ISA.EC0._Q0B",
 398                 .brn_dn         = "\\_SB.PCI0.ISA.EC0._Q0A"
 399         },
 400         {
 401                 .name           = "V6V",
 402                 .bled_set       = "BLED",
 403                 .tled_set       = "TLED",
 404                 .wled_set       = "WLED",
 405                 .lcd_get        = "\\BKLT",
 406                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 407                 .brn_get        = "GPLV",
 408                 .brn_set        = "SPLV",
 409                 .disp_get       = "\\_SB.PCI0.P0P1.VGA.GETD",
 410                 .disp_set       = "SDSP"
 411         },
 412         {
 413                 .name           = "W5A",
 414                 .bled_set       = "BLED",
 415                 .lcd_get        = "\\BKLT",
 416                 .lcd_set        = "\\_SB.PCI0.SBRG.EC0._Q10",
 417                 .brn_get        = "GPLV",
 418                 .brn_set        = "SPLV",
 419                 .disp_get       = "\\_SB.PCI0.P0P2.VGA.GETD",
 420                 .disp_set       = "SDSP"
 421         },
 422
 423         { .name = NULL }
 424 };
 425
 426 /*
 427  * Samsung P30/P35 laptops have an Asus ATK0100 gadget interface,
 428  * but they can't be probed quite the same way as Asus laptops.
 429  */
 430 static struct acpi_asus_model acpi_samsung_models[] = {
 431         {
 432                 .name           = "P30",
 433                 .wled_set       = "WLED",
 434                 .brn_up         = "\\_SB.PCI0.LPCB.EC0._Q68",
 435                 .brn_dn         = "\\_SB.PCI0.LPCB.EC0._Q69",
 436                 .lcd_get        = "\\BKLT",
 437                 .lcd_set        = "\\_SB.PCI0.LPCB.EC0._Q0E"
 438         },
 439
 440         { .name = NULL }
 441 };
 442
 443 static void     acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context);
 444
 445 /*
 446  * EeePC have an Asus ASUS010 gadget interface,
 447  * but they can't be probed quite the same way as Asus laptops.
 448  */
 449 static struct acpi_asus_model acpi_eeepc_models[] = {
 450         {
 451                 .name           = "EEE",
 452                 .brn_get        = "\\_SB.ATKD.PBLG",
 453                 .brn_set        = "\\_SB.ATKD.PBLS",
 454                 .cam_get        = "\\_SB.ATKD.CAMG",
 455                 .cam_set        = "\\_SB.ATKD.CAMS",
 456                 .crd_set        = "\\_SB.ATKD.CRDS",
 457                 .crd_get        = "\\_SB.ATKD.CRDG",
 458                 .wlan_get       = "\\_SB.ATKD.WLDG",
 459                 .wlan_set       = "\\_SB.ATKD.WLDS",
 460                 .n_func         = acpi_asus_eeepc_notify
 461         },
 462
 463         { .name = NULL }
 464 };
 465
 466 static struct {
 467         char    *name;
 468         char    *description;
 469         int     method;
 470         int     flags;
 471 } acpi_asus_sysctls[] = {
 472         {
 473                 .name           = "lcd_backlight",
 474                 .method         = ACPI_ASUS_METHOD_LCD,
 475                 .description    = "state of the lcd backlight",
 476                 .flags          = CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY
 477         },
 478         {
 479                 .name           = "lcd_brightness",
 480                 .method         = ACPI_ASUS_METHOD_BRN,
 481                 .description    = "brightness of the lcd panel",
 482                 .flags          = CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY
 483         },
 484         {
 485                 .name           = "video_output",
 486                 .method         = ACPI_ASUS_METHOD_DISP,
 487                 .description    = "display output state",
 488                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 489         },
 490         {
 491                 .name           = "camera",
 492                 .method         = ACPI_ASUS_METHOD_CAMERA,
 493                 .description    = "internal camera state",
 494                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 495         },
 496         {
 497                 .name           = "cardreader",
 498                 .method         = ACPI_ASUS_METHOD_CARDRD,
 499                 .description    = "internal card reader state",
 500                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 501         },
 502         {
 503                 .name           = "wlan",
 504                 .method         = ACPI_ASUS_METHOD_WLAN,
 505                 .description    = "wireless lan state",
 506                 .flags          = CTLTYPE_INT | CTLFLAG_RW
 507         },
 508
 509         { .name = NULL }
 510 };
 511
 512 ACPI_SERIAL_DECL(asus, "ACPI ASUS extras");
 513
 514 /* Function prototypes */
 515 static int      acpi_asus_probe(device_t dev);
 516 static int      acpi_asus_attach(device_t dev);
 517 static int      acpi_asus_detach(device_t dev);
 518
 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
 522 static int      acpi_asus_sysctl(SYSCTL_HANDLER_ARGS);
 523 static int      acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method);
 524 static int      acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method);
 525 static int      acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int val);
 526
 527 static void     acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context);
 528
 529 static device_method_t acpi_asus_methods[] = {
 530         DEVMETHOD(device_probe,  acpi_asus_probe),
 531         DEVMETHOD(device_attach, acpi_asus_attach),
 532         DEVMETHOD(device_detach, acpi_asus_detach),
 533
 534         { 0, 0 }
 535 };
 536
 537 static driver_t acpi_asus_driver = {
 538         "acpi_asus",
 539         acpi_asus_methods,
 540         sizeof(struct acpi_asus_softc)
 541 };
 542
 543 static devclass_t acpi_asus_devclass;
 544
 545 DRIVER_MODULE(acpi_asus, acpi, acpi_asus_driver, acpi_asus_devclass, 0, 0);
 546 MODULE_DEPEND(acpi_asus, acpi, 1, 1, 1);
 547
 548 static int
 549 acpi_asus_probe(device_t dev)
 550 {
 551         struct acpi_asus_model  *model;
 552         struct acpi_asus_softc  *sc;
 553         struct sbuf             *sb;
 554         ACPI_BUFFER             Buf;
 555         ACPI_OBJECT             Arg, *Obj;
 556         ACPI_OBJECT_LIST        Args;
 557         static char             *asus_ids[] = { "ATK0100", "ASUS010", NULL };
 558         char *rstr;
 559
 560         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 561
 562         if (acpi_disabled("asus"))
 563                 return (ENXIO);
 564         ACPI_SERIAL_INIT(asus);
 565         rstr = ACPI_ID_PROBE(device_get_parent(dev), dev, asus_ids);
 566         if (rstr == NULL) {
 567                 return (ENXIO);
 568         }
 569
 570         sc = device_get_softc(dev);
 571         sc->dev = dev;
 572         sc->handle = acpi_get_handle(dev);
 573
 574         Arg.Type = ACPI_TYPE_INTEGER;
 575         Arg.Integer.Value = 0;
 576
 577         Args.Count = 1;
 578         Args.Pointer = &Arg;
 579
 580         Buf.Pointer = NULL;
 581         Buf.Length = ACPI_ALLOCATE_BUFFER;
 582
 583         AcpiEvaluateObject(sc->handle, "INIT", &Args, &Buf);
 584         Obj = Buf.Pointer;
 585
 586         /*
 587          * The Samsung P30 returns a null-pointer from INIT, we
 588          * can identify it from the 'ODEM' string in the DSDT.
 589          */
 590         if (Obj->String.Pointer == NULL) {
 591                 ACPI_STATUS             status;
 592                 ACPI_TABLE_HEADER       th;
 593
 594                 status = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &th);
 595                 if (ACPI_FAILURE(status)) {
 596                         device_printf(dev, "Unsupported (Samsung?) laptop\n");
 597                         AcpiOsFree(Buf.Pointer);
 598                         return (ENXIO);
 599                 }
 600
 601                 if (strncmp("ODEM", th.OemTableId, 4) == 0) {
 602                         sc->model = &acpi_samsung_models[0];
 603                         device_set_desc(dev, "Samsung P30 Laptop Extras");
 604                         AcpiOsFree(Buf.Pointer);
 605                         return (0);
 606                 }
 607
 608                 /* EeePC */
 609                 if (strncmp("ASUS010", rstr, 7) == 0) {
 610                         sc->model = &acpi_eeepc_models[0];
 611                         device_set_desc(dev, "ASUS EeePC");
 612                         AcpiOsFree(Buf.Pointer);
 613                         return (0);
 614                 }
 615         }
 616
 617         sb = sbuf_new_auto();
 618         if (sb == NULL)
 619                 return (ENOMEM);
 620
 621         /*
 622          * Asus laptops are simply identified by name, easy!
 623          */
 624         for (model = acpi_asus_models; model->name != NULL; model++) {
 625                 if (strncmp(Obj->String.Pointer, model->name, 3) == 0) {
 626
 627 good:
 628                         sbuf_printf(sb, "Asus %s Laptop Extras",
 629                             Obj->String.Pointer);
 630                         sbuf_finish(sb);
 631
 632                         sc->model = model;
 633                         device_set_desc_copy(dev, sbuf_data(sb));
 634
 635                         sbuf_delete(sb);
 636                         AcpiOsFree(Buf.Pointer);
 637                         return (0);
 638                 }
 639
 640                 /*
 641                  * Some models look exactly the same as other models, but have
 642                  * their own ids.  If we spot these, set them up with the same
 643                  * details as the models they're like, possibly dealing with
 644                  * small differences.
 645                  *
 646                  * XXX: there must be a prettier way to do this!
 647                  */
 648                 else if (strncmp(model->name, "xxN", 3) == 0 &&
 649                     (strncmp(Obj->String.Pointer, "M3N", 3) == 0 ||
 650                      strncmp(Obj->String.Pointer, "S1N", 3) == 0))
 651                         goto good;
 652                 else if (strncmp(model->name, "A1x", 3) == 0 &&
 653                     strncmp(Obj->String.Pointer, "A1", 2) == 0)
 654                         goto good;
 655                 else if (strncmp(model->name, "A2x", 3) == 0 &&
 656                     strncmp(Obj->String.Pointer, "A2", 2) == 0)
 657                         goto good;
 658                 else if (strncmp(model->name, "A3F", 3) == 0 &&
 659                     strncmp(Obj->String.Pointer, "A6F", 3) == 0)
 660                         goto good;
 661                 else if (strncmp(model->name, "D1x", 3) == 0 &&
 662                     strncmp(Obj->String.Pointer, "D1", 2) == 0)
 663                         goto good;
 664                 else if (strncmp(model->name, "L3H", 3) == 0 &&
 665                     strncmp(Obj->String.Pointer, "L2E", 3) == 0)
 666                         goto good;
 667                 else if (strncmp(model->name, "L5x", 3) == 0 &&
 668                     strncmp(Obj->String.Pointer, "L5", 2) == 0)
 669                         goto good;
 670                 else if (strncmp(model->name, "M2E", 3) == 0 &&
 671                     (strncmp(Obj->String.Pointer, "M2", 2) == 0 ||
 672                      strncmp(Obj->String.Pointer, "L4E", 3) == 0))
 673                         goto good;
 674                 else if (strncmp(model->name, "S1x", 3) == 0 &&
 675                     (strncmp(Obj->String.Pointer, "L8", 2) == 0 ||
 676                      strncmp(Obj->String.Pointer, "S1", 2) == 0))
 677                         goto good;
 678                 else if (strncmp(model->name, "S2x", 3) == 0 &&
 679                     (strncmp(Obj->String.Pointer, "J1", 2) == 0 ||
 680                      strncmp(Obj->String.Pointer, "S2", 2) == 0))
 681                         goto good;
 682
 683                 /* L2B is like L3C but has no lcd_get method */
 684                 else if (strncmp(model->name, "L3C", 3) == 0 &&
 685                     strncmp(Obj->String.Pointer, "L2B", 3) == 0) {
 686                         model->lcd_get = NULL;
 687                         goto good;
 688                 }
 689
 690                 /* A3G is like M6R but with a different lcd_get method */
 691                 else if (strncmp(model->name, "M6R", 3) == 0 &&
 692                     strncmp(Obj->String.Pointer, "A3G", 3) == 0) {
 693                         model->lcd_get = "\\BLFG";
 694                         goto good;
 695                 }
 696
 697                 /* M2N and W1N are like xxN with added WLED */
 698                 else if (strncmp(model->name, "xxN", 3) == 0 &&
 699                     (strncmp(Obj->String.Pointer, "M2N", 3) == 0 ||
 700                      strncmp(Obj->String.Pointer, "W1N", 3) == 0)) {
 701                         model->wled_set = "WLED";
 702                         goto good;
 703                 }
 704
 705                 /* M5N and S5N are like xxN without MLED */
 706                 else if (strncmp(model->name, "xxN", 3) == 0 &&
 707                     (strncmp(Obj->String.Pointer, "M5N", 3) == 0 ||
 708                      strncmp(Obj->String.Pointer, "S5N", 3) == 0)) {
 709                         model->mled_set = NULL;
 710                         goto good;
 711                 }
 712         }
 713
 714         sbuf_printf(sb, "Unsupported Asus laptop: %s\n", Obj->String.Pointer);
 715         sbuf_finish(sb);
 716
 717         device_printf(dev, sbuf_data(sb));
 718
 719         sbuf_delete(sb);
 720         AcpiOsFree(Buf.Pointer);
 721
 722         return (ENXIO);
 723 }
 724
 725 static int
 726 acpi_asus_attach(device_t dev)
 727 {
 728         struct acpi_asus_softc  *sc;
 729         struct acpi_softc       *acpi_sc;
 730
 731         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 732
 733         sc = device_get_softc(dev);
 734         acpi_sc = acpi_device_get_parent_softc(dev);
 735
 736         /* Build sysctl tree */
 737         sysctl_ctx_init(&sc->sysctl_ctx);
 738         sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
 739             SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree),
 740             OID_AUTO, "asus", CTLFLAG_RD, 0, "");
 741
 742         /* Hook up nodes */
 743         for (int i = 0; acpi_asus_sysctls[i].name != NULL; i++) {
 744                 if (!acpi_asus_sysctl_init(sc, acpi_asus_sysctls[i].method))
 745                         continue;
 746
 747                 SYSCTL_ADD_PROC(&sc->sysctl_ctx,
 748                     SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
 749                     acpi_asus_sysctls[i].name,
 750                     acpi_asus_sysctls[i].flags,
 751                     sc, i, acpi_asus_sysctl, "I",
 752                     acpi_asus_sysctls[i].description);
 753         }
 754
 755 #if defined(__FreeBSD__)
 756         /* Attach leds */
 757         if (sc->model->bled_set) {
 758                 sc->s_bled.busy = 0;
 759                 sc->s_bled.sc = sc;
 760                 sc->s_bled.type = ACPI_ASUS_LED_BLED;
 761                 sc->s_bled.cdev =
 762                     led_create_state((led_t *)acpi_asus_led, &sc->s_bled,
 763                         "bled", 1);
 764         }
 765
 766         if (sc->model->dled_set) {
 767                 sc->s_dled.busy = 0;
 768                 sc->s_dled.sc = sc;
 769                 sc->s_dled.type = ACPI_ASUS_LED_DLED;
 770                 sc->s_dled.cdev =
 771                     led_create((led_t *)acpi_asus_led, &sc->s_dled, "dled");
 772         }
 773
 774         if (sc->model->gled_set) {
 775                 sc->s_gled.busy = 0;
 776                 sc->s_gled.sc = sc;
 777                 sc->s_gled.type = ACPI_ASUS_LED_GLED;
 778                 sc->s_gled.cdev =
 779                     led_create((led_t *)acpi_asus_led, &sc->s_gled, "gled");
 780         }
 781
 782         if (sc->model->mled_set) {
 783                 sc->s_mled.busy = 0;
 784                 sc->s_mled.sc = sc;
 785                 sc->s_mled.type = ACPI_ASUS_LED_MLED;
 786                 sc->s_mled.cdev =
 787                     led_create((led_t *)acpi_asus_led, &sc->s_mled, "mled");
 788         }
 789
 790         if (sc->model->tled_set) {
 791                 sc->s_tled.busy = 0;
 792                 sc->s_tled.sc = sc;
 793                 sc->s_tled.type = ACPI_ASUS_LED_TLED;
 794                 sc->s_tled.cdev =
 795                     led_create_state((led_t *)acpi_asus_led, &sc->s_tled,
 796                         "tled", 1);
 797         }
 798
 799         if (sc->model->wled_set) {
 800                 sc->s_wled.busy = 0;
 801                 sc->s_wled.sc = sc;
 802                 sc->s_wled.type = ACPI_ASUS_LED_WLED;
 803                 sc->s_wled.cdev =
 804                     led_create_state((led_t *)acpi_asus_led, &sc->s_wled,
 805                         "wled", 1);
 806         }
 807 #endif
 808
 809         /* Activate hotkeys */
 810         AcpiEvaluateObject(sc->handle, "BSTS", NULL, NULL);
 811
 812         /* Handle notifies */
 813         if (sc->model->n_func == NULL)
 814                 sc->model->n_func = acpi_asus_notify;
 815
 816         AcpiInstallNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY,
 817             sc->model->n_func, dev);
 818
 819         /* Find and hook the 'LCDD' object */
 820         if (sc->model->lcdd != NULL && sc->model->lcdd_n_func != NULL) {
 821                 ACPI_STATUS res;
 822
 823                 sc->lcdd_handle = NULL;
 824                 res = AcpiGetHandle((sc->model->lcdd[0] == '\\' ?
 825                     NULL : sc->handle), sc->model->lcdd, &(sc->lcdd_handle));
 826                 if (ACPI_SUCCESS(res)) {
 827                         AcpiInstallNotifyHandler((sc->lcdd_handle),
 828                             ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func, dev);
 829                 } else {
 830                         kprintf("%s: unable to find LCD device '%s'\n",
 831                             __func__, sc->model->lcdd);
 832                 }
 833         }
 834
 835         return (0);
 836 }
 837
 838 static int
 839 acpi_asus_detach(device_t dev)
 840 {
 841         struct acpi_asus_softc  *sc;
 842
 843         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 844
 845         sc = device_get_softc(dev);
 846 #if defined(__FreeBSD)
 847         /* Turn the lights off */
 848         if (sc->model->bled_set)
 849                 led_destroy(sc->s_bled.cdev);
 850
 851         if (sc->model->dled_set)
 852                 led_destroy(sc->s_dled.cdev);
 853
 854         if (sc->model->gled_set)
 855                 led_destroy(sc->s_gled.cdev);
 856
 857         if (sc->model->mled_set)
 858                 led_destroy(sc->s_mled.cdev);
 859
 860         if (sc->model->tled_set)
 861                 led_destroy(sc->s_tled.cdev);
 862
 863         if (sc->model->wled_set)
 864                 led_destroy(sc->s_wled.cdev);
 865 #endif
 866
 867         /* Remove notify handler */
 868         AcpiRemoveNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY,
 869             acpi_asus_notify);
 870
 871         if (sc->lcdd_handle) {
 872                 KASSERT(sc->model->lcdd_n_func != NULL,
 873                     ("model->lcdd_n_func is NULL, but lcdd_handle is non-zero"));
 874                 AcpiRemoveNotifyHandler((sc->lcdd_handle),
 875                     ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func);
 876         }
 877
 878         /* Free sysctl tree */
 879         sysctl_ctx_free(&sc->sysctl_ctx);
 880
 881         return (0);
 882 }
 883
 884 #if defined(__FreeBSD__)
 885 static void
 886 acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused)
 887 {
 888         struct acpi_asus_softc  *sc;
 889         char                    *method;
 890         int                     state;
 891
 892         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 893
 894         sc = led->sc;
 895
 896         switch (led->type) {
 897         case ACPI_ASUS_LED_BLED:
 898                 method = sc->model->bled_set;
 899                 state = led->state;
 900                 break;
 901         case ACPI_ASUS_LED_DLED:
 902                 method = sc->model->dled_set;
 903                 state = led->state;
 904                 break;
 905         case ACPI_ASUS_LED_GLED:
 906                 method = sc->model->gled_set;
 907                 state = led->state + 1; /* 1: off, 2: on */
 908                 break;
 909         case ACPI_ASUS_LED_MLED:
 910                 method = sc->model->mled_set;
 911                 state = !led->state;    /* inverted */
 912                 break;
 913         case ACPI_ASUS_LED_TLED:
 914                 method = sc->model->tled_set;
 915                 state = led->state;
 916                 break;
 917         case ACPI_ASUS_LED_WLED:
 918                 method = sc->model->wled_set;
 919                 state = led->state;
 920                 break;
 921         default:
 922                 kprintf("acpi_asus_led: invalid LED type %d\n",
 923                     (int)led->type);
 924                 return;
 925         }
 926
 927         acpi_SetInteger(sc->handle, method, state);
 928         led->busy = 0;
 929 }
 930
 931 static void
 932 acpi_asus_led(struct acpi_asus_led *led, int state)
 933 {
 934
 935         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 936
 937         if (led->busy)
 938                 return;
 939
 940         led->busy = 1;
 941         led->state = state;
 942
 943         AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)acpi_asus_led_task, led);
 944 }
 945 #endif
 946
 947 static int
 948 acpi_asus_sysctl(SYSCTL_HANDLER_ARGS)
 949 {
 950         struct acpi_asus_softc  *sc;
 951         int                     arg;
 952         int                     error = 0;
 953         int                     function;
 954         int                     method;
 955
 956         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 957
 958         sc = (struct acpi_asus_softc *)oidp->oid_arg1;
 959         function = oidp->oid_arg2;
 960         method = acpi_asus_sysctls[function].method;
 961
 962         ACPI_SERIAL_BEGIN(asus);
 963         arg = acpi_asus_sysctl_get(sc, method);
 964         error = sysctl_handle_int(oidp, &arg, 0, req);
 965
 966         /* Sanity check */
 967         if (error != 0 || req->newptr == NULL)
 968                 goto out;
 969
 970         /* Update */
 971         error = acpi_asus_sysctl_set(sc, method, arg);
 972
 973 out:
 974         ACPI_SERIAL_END(asus);
 975         return (error);
 976 }
 977
 978 static int
 979 acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method)
 980 {
 981         int val = 0;
 982
 983         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
 984         ACPI_SERIAL_ASSERT(asus);
 985
 986         switch (method) {
 987         case ACPI_ASUS_METHOD_BRN:
 988                 val = sc->s_brn;
 989                 break;
 990         case ACPI_ASUS_METHOD_DISP:
 991                 val = sc->s_disp;
 992                 break;
 993         case ACPI_ASUS_METHOD_LCD:
 994                 val = sc->s_lcd;
 995                 break;
 996         case ACPI_ASUS_METHOD_CAMERA:
 997                 val = sc->s_cam;
 998                 break;
 999         case ACPI_ASUS_METHOD_CARDRD:
1000                 val = sc->s_crd;
1001                 break;
1002         case ACPI_ASUS_METHOD_WLAN:
1003                 val = sc->s_wlan;
1004                 break;
1005         }
1006
1007         return (val);
1008 }
1009
1010 static int
1011 acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int arg)
1012 {
1013         ACPI_STATUS             status = AE_OK;
1014         ACPI_OBJECT_LIST        acpiargs;
1015         ACPI_OBJECT             acpiarg[1];
1016
1017         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1018         ACPI_SERIAL_ASSERT(asus);
1019
1020         acpiargs.Count = 1;
1021         acpiargs.Pointer = acpiarg;
1022         acpiarg[0].Type = ACPI_TYPE_INTEGER;
1023         acpiarg[0].Integer.Value = arg;
1024
1025         switch (method) {
1026         case ACPI_ASUS_METHOD_BRN:
1027                 if (arg < 0 || arg > 15)
1028                         return (EINVAL);
1029
1030                 if (sc->model->brn_set)
1031                         status = acpi_SetInteger(sc->handle,
1032                             sc->model->brn_set, arg);
1033                 else {
1034                         while (arg != 0) {
1035                                 status = AcpiEvaluateObject(sc->handle,
1036                                     (arg > 0) ?  sc->model->brn_up :
1037                                     sc->model->brn_dn, NULL, NULL);
1038                                 (arg > 0) ? arg-- : arg++;
1039                         }
1040                 }
1041
1042                 if (ACPI_SUCCESS(status))
1043                         sc->s_brn = arg;
1044
1045                 break;
1046         case ACPI_ASUS_METHOD_DISP:
1047                 if (arg < 0 || arg > 7)
1048                         return (EINVAL);
1049
1050                 status = acpi_SetInteger(sc->handle,
1051                     sc->model->disp_set, arg);
1052
1053                 if (ACPI_SUCCESS(status))
1054                         sc->s_disp = arg;
1055
1056                 break;
1057         case ACPI_ASUS_METHOD_LCD:
1058                 if (arg < 0 || arg > 1)
1059                         return (EINVAL);
1060
1061                 if (strncmp(sc->model->name, "L3H", 3) != 0)
1062                         status = AcpiEvaluateObject(sc->handle,
1063                             sc->model->lcd_set, NULL, NULL);
1064                 else
1065                         status = acpi_SetInteger(sc->handle,
1066                             sc->model->lcd_set, 0x7);
1067
1068                 if (ACPI_SUCCESS(status))
1069                         sc->s_lcd = arg;
1070
1071                 break;
1072         case ACPI_ASUS_METHOD_CAMERA:
1073                 if (arg < 0 || arg > 1)
1074                         return (EINVAL);
1075
1076                 status = AcpiEvaluateObject(sc->handle,
1077                     sc->model->cam_set, &acpiargs, NULL);
1078
1079                 if (ACPI_SUCCESS(status))
1080                         sc->s_cam = arg;
1081                 break;
1082         case ACPI_ASUS_METHOD_CARDRD:
1083                 if (arg < 0 || arg > 1)
1084                         return (EINVAL);
1085
1086                 status = AcpiEvaluateObject(sc->handle,
1087                     sc->model->crd_set, &acpiargs, NULL);
1088
1089                 if (ACPI_SUCCESS(status))
1090                         sc->s_crd = arg;
1091                 break;
1092         case ACPI_ASUS_METHOD_WLAN:
1093                 if (arg < 0 || arg > 1)
1094                         return (EINVAL);
1095
1096                 status = AcpiEvaluateObject(sc->handle,
1097                     sc->model->wlan_set, &acpiargs, NULL);
1098
1099                 if (ACPI_SUCCESS(status))
1100                         sc->s_wlan = arg;
1101                 break;
1102         }
1103
1104         return (0);
1105 }
1106
1107 static int
1108 acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method)
1109 {
1110         ACPI_STATUS     status;
1111
1112         switch (method) {
1113         case ACPI_ASUS_METHOD_BRN:
1114                 if (sc->model->brn_get) {
1115                         /* GPLV/SPLV models */
1116                         status = acpi_GetInteger(sc->handle,
1117                             sc->model->brn_get, &sc->s_brn);
1118                         if (ACPI_SUCCESS(status))
1119                                 return (TRUE);
1120                 } else if (sc->model->brn_up) {
1121                         /* Relative models */
1122                         status = AcpiEvaluateObject(sc->handle,
1123                             sc->model->brn_up, NULL, NULL);
1124                         if (ACPI_FAILURE(status))
1125                                 return (FALSE);
1126
1127                         status = AcpiEvaluateObject(sc->handle,
1128                             sc->model->brn_dn, NULL, NULL);
1129                         if (ACPI_FAILURE(status))
1130                                 return (FALSE);
1131
1132                         return (TRUE);
1133                 }
1134                 return (FALSE);
1135         case ACPI_ASUS_METHOD_DISP:
1136                 if (sc->model->disp_get) {
1137                         status = acpi_GetInteger(sc->handle,
1138                             sc->model->disp_get, &sc->s_disp);
1139                         if (ACPI_SUCCESS(status))
1140                                 return (TRUE);
1141                 }
1142                 return (FALSE);
1143         case ACPI_ASUS_METHOD_LCD:
1144                 if (sc->model->lcd_get) {
1145                         if (strncmp(sc->model->name, "G2K", 3) == 0) {
1146                                 ACPI_BUFFER             Buf;
1147                                 ACPI_OBJECT             Arg, Obj;
1148                                 ACPI_OBJECT_LIST        Args;
1149
1150                                 Arg.Type = ACPI_TYPE_INTEGER;
1151                                 Arg.Integer.Value = 0x11;
1152                                 Args.Count = 1;
1153                                 Args.Pointer = &Arg;
1154                                 Buf.Length = sizeof(Obj);
1155                                 Buf.Pointer = &Obj;
1156
1157                                 status = AcpiEvaluateObject(sc->handle,
1158                                     sc->model->lcd_get, &Args, &Buf);
1159                                 if (ACPI_SUCCESS(status) &&
1160                                     Obj.Type == ACPI_TYPE_INTEGER) {
1161                                         sc->s_lcd = Obj.Integer.Value;
1162                                         return (TRUE);
1163                                 }
1164                         } else if (strncmp(sc->model->name, "L3H", 3) == 0) {
1165                                 ACPI_BUFFER             Buf;
1166                                 ACPI_OBJECT             Arg[2], Obj;
1167                                 ACPI_OBJECT_LIST        Args;
1168
1169                                 /* L3H is a bit special */
1170                                 Arg[0].Type = ACPI_TYPE_INTEGER;
1171                                 Arg[0].Integer.Value = 0x02;
1172                                 Arg[1].Type = ACPI_TYPE_INTEGER;
1173                                 Arg[1].Integer.Value = 0x03;
1174
1175                                 Args.Count = 2;
1176                                 Args.Pointer = Arg;
1177
1178                                 Buf.Length = sizeof(Obj);
1179                                 Buf.Pointer = &Obj;
1180
1181                                 status = AcpiEvaluateObject(sc->handle,
1182                                     sc->model->lcd_get, &Args, &Buf);
1183                                 if (ACPI_SUCCESS(status) &&
1184                                     Obj.Type == ACPI_TYPE_INTEGER) {
1185                                         sc->s_lcd = Obj.Integer.Value >> 8;
1186                                         return (TRUE);
1187                                 }
1188                         } else {
1189                                 status = acpi_GetInteger(sc->handle,
1190                                     sc->model->lcd_get, &sc->s_lcd);
1191                                 if (ACPI_SUCCESS(status))
1192                                         return (TRUE);
1193                         }
1194                 }
1195                 return (FALSE);
1196         case ACPI_ASUS_METHOD_CAMERA:
1197                 if (sc->model->cam_get) {
1198                         status = acpi_GetInteger(sc->handle,
1199                             sc->model->cam_get, &sc->s_cam);
1200                         if (ACPI_SUCCESS(status))
1201                                 return (TRUE);
1202                 }
1203                 return (FALSE);
1204         case ACPI_ASUS_METHOD_CARDRD:
1205                 if (sc->model->crd_get) {
1206                         status = acpi_GetInteger(sc->handle,
1207                             sc->model->crd_get, &sc->s_crd);
1208                         if (ACPI_SUCCESS(status))
1209                                 return (TRUE);
1210                 }
1211                 return (FALSE);
1212         case ACPI_ASUS_METHOD_WLAN:
1213                 if (sc->model->wlan_get) {
1214                         status = acpi_GetInteger(sc->handle,
1215                             sc->model->wlan_get, &sc->s_wlan);
1216                         if (ACPI_SUCCESS(status))
1217                                 return (TRUE);
1218                 }
1219                 return (FALSE);
1220         }
1221         return (FALSE);
1222 }
1223
1224 static void
1225 acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1226 {
1227         struct acpi_asus_softc  *sc;
1228         struct acpi_softc       *acpi_sc;
1229
1230         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1231
1232         sc = device_get_softc((device_t)context);
1233         acpi_sc = acpi_device_get_parent_softc(sc->dev);
1234
1235         ACPI_SERIAL_BEGIN(asus);
1236         if ((notify & ~0x10) <= 15) {
1237                 sc->s_brn = notify & ~0x10;
1238                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1239         } else if ((notify & ~0x20) <= 15) {
1240                 sc->s_brn = notify & ~0x20;
1241                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1242         } else if (notify == 0x33) {
1243                 sc->s_lcd = 1;
1244                 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned on\n");
1245         } else if (notify == 0x34) {
1246                 sc->s_lcd = 0;
1247                 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned off\n");
1248         } else if (notify == 0x86) {
1249                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1);
1250                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1251         } else if (notify == 0x87) {
1252                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1);
1253                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1254         } else {
1255                 /* Notify devd(8) */
1256                 acpi_UserNotify("ASUS", h, notify);
1257         }
1258         ACPI_SERIAL_END(asus);
1259 }
1260
1261 static void
1262 acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1263 {
1264         struct acpi_asus_softc  *sc;
1265         struct acpi_softc       *acpi_sc;
1266
1267         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1268
1269         sc = device_get_softc((device_t)context);
1270         acpi_sc = acpi_device_get_parent_softc(sc->dev);
1271
1272         ACPI_SERIAL_BEGIN(asus);
1273         switch (notify) {
1274         case 0x87:
1275                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1);
1276                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n");
1277                 break;
1278         case 0x86:
1279                 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1);
1280                 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n");
1281                 break;
1282         }
1283         ACPI_SERIAL_END(asus);
1284 }
1285
1286 static void
1287 acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context)
1288 {
1289         struct acpi_asus_softc  *sc;
1290         struct acpi_softc       *acpi_sc;
1291
1292         ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
1293
1294         sc = device_get_softc((device_t)context);
1295         acpi_sc = acpi_device_get_parent_softc(sc->dev);
1296
1297         ACPI_SERIAL_BEGIN(asus);
1298         if ((notify & ~0x20) <= 15) {
1299                 sc->s_brn = notify & ~0x20;
1300                 ACPI_VPRINT(sc->dev, acpi_sc,
1301                     "Brightness increased/decreased\n");
1302         } else {
1303                 /* Notify devd(8) */
1304                 acpi_UserNotify("ASUS-Eee", h, notify);
1305         }
1306         ACPI_SERIAL_END(asus);
1307 }