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