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