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/acpi.h> 51 #include <dev/acpica/acpivar.h> 52 #include <dev/led/led.h> 53 54 /* Methods */ 55 #define ACPI_ASUS_METHOD_BRN 1 56 #define ACPI_ASUS_METHOD_DISP 2 57 #define ACPI_ASUS_METHOD_LCD 3 58 59 #define _COMPONENT ACPI_OEM 60 ACPI_MODULE_NAME("ASUS") 61 62 struct acpi_asus_model { 63 char *name; 64 65 char *bled_set; 66 char *mled_set; 67 char *tled_set; 68 char *wled_set; 69 70 char *brn_get; 71 char *brn_set; 72 char *brn_up; 73 char *brn_dn; 74 75 char *lcd_get; 76 char *lcd_set; 77 78 char *disp_get; 79 char *disp_set; 80 }; 81 82 struct acpi_asus_led { 83 struct acpi_asus_softc *sc; 84 struct cdev *cdev; 85 int busy; 86 int state; 87 enum { 88 ACPI_ASUS_LED_BLED, 89 ACPI_ASUS_LED_MLED, 90 ACPI_ASUS_LED_TLED, 91 ACPI_ASUS_LED_WLED, 92 } type; 93 }; 94 95 struct acpi_asus_softc { 96 device_t dev; 97 ACPI_HANDLE handle; 98 99 struct acpi_asus_model *model; 100 struct sysctl_ctx_list sysctl_ctx; 101 struct sysctl_oid *sysctl_tree; 102 103 struct acpi_asus_led s_bled; 104 struct acpi_asus_led s_mled; 105 struct acpi_asus_led s_tled; 106 struct acpi_asus_led s_wled; 107 108 int s_brn; 109 int s_disp; 110 int s_lcd; 111 }; 112 113 /* 114 * We can identify Asus laptops from the string they return 115 * as a result of calling the ATK0100 'INIT' method. 116 */ 117 static struct acpi_asus_model acpi_asus_models[] = { 118 { 119 .name = "xxN", 120 .mled_set = "MLED", 121 .wled_set = "WLED", 122 .lcd_get = "\\BKLT", 123 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10", 124 .brn_get = "GPLV", 125 .brn_set = "SPLV", 126 .disp_get = "\\ADVG", 127 .disp_set = "SDSP" 128 }, 129 { 130 .name = "A1x", 131 .mled_set = "MLED", 132 .lcd_get = "\\BKLI", 133 .lcd_set = "\\_SB.PCI0.ISA.EC0._Q10", 134 .brn_up = "\\_SB.PCI0.ISA.EC0._Q0E", 135 .brn_dn = "\\_SB.PCI0.ISA.EC0._Q0F" 136 }, 137 { 138 .name = "A2x", 139 .mled_set = "MLED", 140 .wled_set = "WLED", 141 .lcd_get = "\\BAOF", 142 .lcd_set = "\\Q10", 143 .brn_get = "GPLV", 144 .brn_set = "SPLV", 145 .disp_get = "\\INFB", 146 .disp_set = "SDSP" 147 }, 148 { 149 .name = "A4D", 150 .mled_set = "MLED", 151 .brn_up = "\\_SB_.PCI0.SBRG.EC0._Q0E", 152 .brn_dn = "\\_SB_.PCI0.SBRG.EC0._Q0F", 153 .brn_get = "GPLV", 154 .brn_set = "SPLV", 155 #ifdef notyet 156 .disp_get = "\\_SB_.PCI0.SBRG.EC0._Q10", 157 .disp_set = "\\_SB_.PCI0.SBRG.EC0._Q11" 158 #endif 159 }, 160 { 161 .name = "A6V", 162 .bled_set = "BLED", 163 .mled_set = "MLED", 164 .wled_set = "WLED", 165 .lcd_get = NULL, 166 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10", 167 .brn_get = "GPLV", 168 .brn_set = "SPLV", 169 .disp_get = "\\_SB.PCI0.P0P3.VGA.GETD", 170 .disp_set = "SDSP" 171 }, 172 { 173 .name = "D1x", 174 .mled_set = "MLED", 175 .lcd_get = "\\GP11", 176 .lcd_set = "\\Q0D", 177 .brn_up = "\\Q0C", 178 .brn_dn = "\\Q0B", 179 .disp_get = "\\INFB", 180 .disp_set = "SDSP" 181 }, 182 { 183 .name = "L2D", 184 .mled_set = "MLED", 185 .wled_set = "WLED", 186 .brn_up = "\\Q0E", 187 .brn_dn = "\\Q0F", 188 .lcd_get = "\\SGP0", 189 .lcd_set = "\\Q10" 190 }, 191 { 192 .name = "L3C", 193 .mled_set = "MLED", 194 .wled_set = "WLED", 195 .brn_get = "GPLV", 196 .brn_set = "SPLV", 197 .lcd_get = "\\GL32", 198 .lcd_set = "\\_SB.PCI0.PX40.ECD0._Q10" 199 }, 200 { 201 .name = "L3D", 202 .mled_set = "MLED", 203 .wled_set = "WLED", 204 .brn_get = "GPLV", 205 .brn_set = "SPLV", 206 .lcd_get = "\\BKLG", 207 .lcd_set = "\\Q10" 208 }, 209 { 210 .name = "L3H", 211 .mled_set = "MLED", 212 .wled_set = "WLED", 213 .brn_get = "GPLV", 214 .brn_set = "SPLV", 215 .lcd_get = "\\_SB.PCI0.PM.PBC", 216 .lcd_set = "EHK", 217 .disp_get = "\\_SB.INFB", 218 .disp_set = "SDSP" 219 }, 220 { 221 .name = "L4R", 222 .mled_set = "MLED", 223 .wled_set = "WLED", 224 .brn_get = "GPLV", 225 .brn_set = "SPLV", 226 .lcd_get = "\\_SB.PCI0.SBSM.SEO4", 227 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10", 228 .disp_get = "\\_SB.PCI0.P0P1.VGA.GETD", 229 .disp_set = "SDSP" 230 }, 231 { 232 .name = "L5x", 233 .mled_set = "MLED", 234 .tled_set = "TLED", 235 .lcd_get = "\\BAOF", 236 .lcd_set = "\\Q0D", 237 .brn_get = "GPLV", 238 .brn_set = "SPLV", 239 .disp_get = "\\INFB", 240 .disp_set = "SDSP" 241 }, 242 { 243 .name = "L8L" 244 /* Only has hotkeys, apparantly */ 245 }, 246 { 247 .name = "M1A", 248 .mled_set = "MLED", 249 .brn_up = "\\_SB.PCI0.PX40.EC0.Q0E", 250 .brn_dn = "\\_SB.PCI0.PX40.EC0.Q0F", 251 .lcd_get = "\\PNOF", 252 .lcd_set = "\\_SB.PCI0.PX40.EC0.Q10" 253 }, 254 { 255 .name = "M2E", 256 .mled_set = "MLED", 257 .wled_set = "WLED", 258 .brn_get = "GPLV", 259 .brn_set = "SPLV", 260 .lcd_get = "\\GP06", 261 .lcd_set = "\\Q10" 262 }, 263 { 264 .name = "M6N", 265 .mled_set = "MLED", 266 .wled_set = "WLED", 267 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10", 268 .lcd_get = "\\_SB.BKLT", 269 .brn_set = "SPLV", 270 .brn_get = "GPLV", 271 .disp_set = "SDSP", 272 .disp_get = "\\SSTE" 273 }, 274 { 275 .name = "M6R", 276 .mled_set = "MLED", 277 .wled_set = "WLED", 278 .brn_get = "GPLV", 279 .brn_set = "SPLV", 280 .lcd_get = "\\_SB.PCI0.SBSM.SEO4", 281 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10", 282 .disp_get = "\\SSTE", 283 .disp_set = "SDSP" 284 }, 285 { 286 .name = "S1x", 287 .mled_set = "MLED", 288 .wled_set = "WLED", 289 .lcd_get = "\\PNOF", 290 .lcd_set = "\\_SB.PCI0.PX40.Q10", 291 .brn_get = "GPLV", 292 .brn_set = "SPLV" 293 }, 294 { 295 .name = "S2x", 296 .mled_set = "MLED", 297 .lcd_get = "\\BKLI", 298 .lcd_set = "\\_SB.PCI0.ISA.EC0._Q10", 299 .brn_up = "\\_SB.PCI0.ISA.EC0._Q0B", 300 .brn_dn = "\\_SB.PCI0.ISA.EC0._Q0A" 301 }, 302 { 303 .name = "V6V", 304 .bled_set = "BLED", 305 .tled_set = "TLED", 306 .wled_set = "WLED", 307 .lcd_get = "\\BKLT", 308 .lcd_set = "\\_SB.PCI0.SBRG.EC0._Q10", 309 .brn_get = "GPLV", 310 .brn_set = "SPLV", 311 .disp_get = "\\_SB.PCI0.P0P1.VGA.GETD", 312 .disp_set = "SDSP" 313 }, 314 315 { .name = NULL } 316 }; 317 318 /* 319 * Samsung P30/P35 laptops have an Asus ATK0100 gadget interface, 320 * but they can't be probed quite the same way as Asus laptops. 321 */ 322 static struct acpi_asus_model acpi_samsung_models[] = { 323 { 324 .name = "P30", 325 .wled_set = "WLED", 326 .brn_up = "\\_SB.PCI0.LPCB.EC0._Q68", 327 .brn_dn = "\\_SB.PCI0.LPCB.EC0._Q69", 328 .lcd_get = "\\BKLT", 329 .lcd_set = "\\_SB.PCI0.LPCB.EC0._Q0E" 330 }, 331 332 { .name = NULL } 333 }; 334 335 static struct { 336 char *name; 337 char *description; 338 int method; 339 } acpi_asus_sysctls[] = { 340 { 341 .name = "lcd_backlight", 342 .method = ACPI_ASUS_METHOD_LCD, 343 .description = "state of the lcd backlight" 344 }, 345 { 346 .name = "lcd_brightness", 347 .method = ACPI_ASUS_METHOD_BRN, 348 .description = "brightness of the lcd panel" 349 }, 350 { 351 .name = "video_output", 352 .method = ACPI_ASUS_METHOD_DISP, 353 .description = "display output state" 354 }, 355 356 { .name = NULL } 357 }; 358 359 ACPI_SERIAL_DECL(asus, "ACPI ASUS extras"); 360 361 /* Function prototypes */ 362 static int acpi_asus_probe(device_t dev); 363 static int acpi_asus_attach(device_t dev); 364 static int acpi_asus_detach(device_t dev); 365 366 static void acpi_asus_led(struct acpi_asus_led *led, int state); 367 static void acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused); 368 369 static int acpi_asus_sysctl(SYSCTL_HANDLER_ARGS); 370 static int acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method); 371 static int acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method); 372 static int acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int val); 373 374 static void acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context); 375 376 static device_method_t acpi_asus_methods[] = { 377 DEVMETHOD(device_probe, acpi_asus_probe), 378 DEVMETHOD(device_attach, acpi_asus_attach), 379 DEVMETHOD(device_detach, acpi_asus_detach), 380 381 { 0, 0 } 382 }; 383 384 static driver_t acpi_asus_driver = { 385 "acpi_asus", 386 acpi_asus_methods, 387 sizeof(struct acpi_asus_softc) 388 }; 389 390 static devclass_t acpi_asus_devclass; 391 392 DRIVER_MODULE(acpi_asus, acpi, acpi_asus_driver, acpi_asus_devclass, 0, 0); 393 MODULE_DEPEND(acpi_asus, acpi, 1, 1, 1); 394 395 static int 396 acpi_asus_probe(device_t dev) 397 { 398 struct acpi_asus_model *model; 399 struct acpi_asus_softc *sc; 400 struct sbuf *sb; 401 ACPI_BUFFER Buf; 402 ACPI_OBJECT Arg, *Obj; 403 ACPI_OBJECT_LIST Args; 404 static char *asus_ids[] = { "ATK0100", NULL }; 405 406 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 407 408 if (acpi_disabled("asus") || 409 ACPI_ID_PROBE(device_get_parent(dev), dev, asus_ids) == NULL) 410 return (ENXIO); 411 412 sc = device_get_softc(dev); 413 sc->dev = dev; 414 sc->handle = acpi_get_handle(dev); 415 416 Arg.Type = ACPI_TYPE_INTEGER; 417 Arg.Integer.Value = 0; 418 419 Args.Count = 1; 420 Args.Pointer = &Arg; 421 422 Buf.Pointer = NULL; 423 Buf.Length = ACPI_ALLOCATE_BUFFER; 424 425 AcpiEvaluateObject(sc->handle, "INIT", &Args, &Buf); 426 Obj = Buf.Pointer; 427 428 /* 429 * The Samsung P30 returns a null-pointer from INIT, we 430 * can identify it from the 'ODEM' string in the DSDT. 431 */ 432 if (Obj->String.Pointer == NULL) { 433 ACPI_STATUS status; 434 ACPI_TABLE_HEADER th; 435 436 status = AcpiGetTableHeader(ACPI_TABLE_DSDT, 1, &th); 437 if (ACPI_FAILURE(status)) { 438 device_printf(dev, "Unsupported (Samsung?) laptop\n"); 439 AcpiOsFree(Buf.Pointer); 440 return (ENXIO); 441 } 442 443 if (strncmp("ODEM", th.OemTableId, 4) == 0) { 444 sc->model = &acpi_samsung_models[0]; 445 device_set_desc(dev, "Samsung P30 Laptop Extras"); 446 AcpiOsFree(Buf.Pointer); 447 return (0); 448 } 449 } 450 451 sb = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND); 452 if (sb == NULL) 453 return (ENOMEM); 454 455 /* 456 * Asus laptops are simply identified by name, easy! 457 */ 458 for (model = acpi_asus_models; model->name != NULL; model++) { 459 if (strncmp(Obj->String.Pointer, model->name, 3) == 0) { 460 461 good: 462 sbuf_printf(sb, "Asus %s Laptop Extras", 463 Obj->String.Pointer); 464 sbuf_finish(sb); 465 466 sc->model = model; 467 device_set_desc_copy(dev, sbuf_data(sb)); 468 469 sbuf_delete(sb); 470 AcpiOsFree(Buf.Pointer); 471 return (0); 472 } 473 474 /* 475 * Some models look exactly the same as other models, but have 476 * their own ids. If we spot these, set them up with the same 477 * details as the models they're like, possibly dealing with 478 * small differences. 479 * 480 * XXX: there must be a prettier way to do this! 481 */ 482 else if (strncmp(model->name, "xxN", 3) == 0 && 483 (strncmp(Obj->String.Pointer, "M3N", 3) == 0 || 484 strncmp(Obj->String.Pointer, "S1N", 3) == 0)) 485 goto good; 486 else if (strncmp(model->name, "A1x", 3) == 0 && 487 strncmp(Obj->String.Pointer, "A1", 2) == 0) 488 goto good; 489 else if (strncmp(model->name, "A2x", 3) == 0 && 490 strncmp(Obj->String.Pointer, "A2", 2) == 0) 491 goto good; 492 else if (strncmp(model->name, "D1x", 3) == 0 && 493 strncmp(Obj->String.Pointer, "D1", 2) == 0) 494 goto good; 495 else if (strncmp(model->name, "L3H", 3) == 0 && 496 strncmp(Obj->String.Pointer, "L2E", 3) == 0) 497 goto good; 498 else if (strncmp(model->name, "L5x", 3) == 0 && 499 strncmp(Obj->String.Pointer, "L5", 2) == 0) 500 goto good; 501 else if (strncmp(model->name, "M2E", 3) == 0 && 502 (strncmp(Obj->String.Pointer, "M2", 2) == 0 || 503 strncmp(Obj->String.Pointer, "L4E", 3) == 0)) 504 goto good; 505 else if (strncmp(model->name, "S1x", 3) == 0 && 506 (strncmp(Obj->String.Pointer, "L8", 2) == 0 || 507 strncmp(Obj->String.Pointer, "S1", 2) == 0)) 508 goto good; 509 else if (strncmp(model->name, "S2x", 3) == 0 && 510 (strncmp(Obj->String.Pointer, "J1", 2) == 0 || 511 strncmp(Obj->String.Pointer, "S2", 2) == 0)) 512 goto good; 513 514 /* L2B is like L3C but has no lcd_get method */ 515 else if (strncmp(model->name, "L3C", 3) == 0 && 516 strncmp(Obj->String.Pointer, "L2B", 3) == 0) { 517 model->lcd_get = NULL; 518 goto good; 519 } 520 521 /* A3G is like M6R but with a different lcd_get method */ 522 else if (strncmp(model->name, "M6R", 3) == 0 && 523 strncmp(Obj->String.Pointer, "A3G", 3) == 0) { 524 model->lcd_get = "\\BLFG"; 525 goto good; 526 } 527 528 /* M2N and W1N are like xxN with added WLED */ 529 else if (strncmp(model->name, "xxN", 3) == 0 && 530 (strncmp(Obj->String.Pointer, "M2N", 3) == 0 || 531 strncmp(Obj->String.Pointer, "W1N", 3) == 0)) { 532 model->wled_set = "WLED"; 533 goto good; 534 } 535 536 /* M5N and S5N are like xxN without MLED */ 537 else if (strncmp(model->name, "xxN", 3) == 0 && 538 (strncmp(Obj->String.Pointer, "M5N", 3) == 0 || 539 strncmp(Obj->String.Pointer, "S5N", 3) == 0)) { 540 model->mled_set = NULL; 541 goto good; 542 } 543 } 544 545 sbuf_printf(sb, "Unsupported Asus laptop: %s\n", Obj->String.Pointer); 546 sbuf_finish(sb); 547 548 device_printf(dev, sbuf_data(sb)); 549 550 sbuf_delete(sb); 551 AcpiOsFree(Buf.Pointer); 552 553 return (ENXIO); 554 } 555 556 static int 557 acpi_asus_attach(device_t dev) 558 { 559 struct acpi_asus_softc *sc; 560 struct acpi_softc *acpi_sc; 561 562 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 563 564 sc = device_get_softc(dev); 565 acpi_sc = acpi_device_get_parent_softc(dev); 566 567 /* Build sysctl tree */ 568 sysctl_ctx_init(&sc->sysctl_ctx); 569 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx, 570 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), 571 OID_AUTO, "asus", CTLFLAG_RD, 0, ""); 572 573 /* Hook up nodes */ 574 for (int i = 0; acpi_asus_sysctls[i].name != NULL; i++) { 575 if (!acpi_asus_sysctl_init(sc, acpi_asus_sysctls[i].method)) 576 continue; 577 578 SYSCTL_ADD_PROC(&sc->sysctl_ctx, 579 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 580 acpi_asus_sysctls[i].name, 581 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY, 582 sc, i, acpi_asus_sysctl, "I", 583 acpi_asus_sysctls[i].description); 584 } 585 586 /* Attach leds */ 587 if (sc->model->bled_set) { 588 sc->s_bled.busy = 0; 589 sc->s_bled.sc = sc; 590 sc->s_bled.type = ACPI_ASUS_LED_BLED; 591 sc->s_bled.cdev = 592 led_create((led_t *)acpi_asus_led, &sc->s_bled, "bled"); 593 } 594 595 if (sc->model->mled_set) { 596 sc->s_mled.busy = 0; 597 sc->s_mled.sc = sc; 598 sc->s_mled.type = ACPI_ASUS_LED_MLED; 599 sc->s_mled.cdev = 600 led_create((led_t *)acpi_asus_led, &sc->s_mled, "mled"); 601 } 602 603 if (sc->model->tled_set) { 604 sc->s_tled.busy = 0; 605 sc->s_tled.sc = sc; 606 sc->s_tled.type = ACPI_ASUS_LED_TLED; 607 sc->s_tled.cdev = 608 led_create((led_t *)acpi_asus_led, &sc->s_tled, "tled"); 609 } 610 611 if (sc->model->wled_set) { 612 sc->s_wled.busy = 0; 613 sc->s_wled.sc = sc; 614 sc->s_wled.type = ACPI_ASUS_LED_WLED; 615 sc->s_wled.cdev = 616 led_create((led_t *)acpi_asus_led, &sc->s_wled, "wled"); 617 } 618 619 /* Activate hotkeys */ 620 AcpiEvaluateObject(sc->handle, "BSTS", NULL, NULL); 621 622 /* Handle notifies */ 623 AcpiInstallNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY, 624 acpi_asus_notify, dev); 625 626 return (0); 627 } 628 629 static int 630 acpi_asus_detach(device_t dev) 631 { 632 struct acpi_asus_softc *sc; 633 634 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 635 636 sc = device_get_softc(dev); 637 638 /* Turn the lights off */ 639 if (sc->model->bled_set) 640 led_destroy(sc->s_bled.cdev); 641 642 if (sc->model->mled_set) 643 led_destroy(sc->s_mled.cdev); 644 645 if (sc->model->tled_set) 646 led_destroy(sc->s_tled.cdev); 647 648 if (sc->model->wled_set) 649 led_destroy(sc->s_wled.cdev); 650 651 /* Remove notify handler */ 652 AcpiRemoveNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY, 653 acpi_asus_notify); 654 655 /* Free sysctl tree */ 656 sysctl_ctx_free(&sc->sysctl_ctx); 657 658 return (0); 659 } 660 661 static void 662 acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused) 663 { 664 struct acpi_asus_softc *sc; 665 char *method; 666 int state; 667 668 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 669 670 sc = led->sc; 671 672 switch (led->type) { 673 case ACPI_ASUS_LED_BLED: 674 method = sc->model->bled_set; 675 state = led->state; 676 break; 677 case ACPI_ASUS_LED_MLED: 678 method = sc->model->mled_set; 679 680 /* Note: inverted */ 681 state = !led->state; 682 break; 683 case ACPI_ASUS_LED_TLED: 684 method = sc->model->tled_set; 685 state = led->state; 686 break; 687 case ACPI_ASUS_LED_WLED: 688 method = sc->model->wled_set; 689 state = led->state; 690 break; 691 default: 692 printf("acpi_asus_led: invalid LED type %d\n", 693 (int)led->type); 694 return; 695 } 696 697 acpi_SetInteger(sc->handle, method, state); 698 led->busy = 0; 699 } 700 701 static void 702 acpi_asus_led(struct acpi_asus_led *led, int state) 703 { 704 705 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 706 707 if (led->busy) 708 return; 709 710 led->busy = 1; 711 led->state = state; 712 713 AcpiOsQueueForExecution(OSD_PRIORITY_LO, 714 (void *)acpi_asus_led_task, led); 715 } 716 717 static int 718 acpi_asus_sysctl(SYSCTL_HANDLER_ARGS) 719 { 720 struct acpi_asus_softc *sc; 721 int arg; 722 int error = 0; 723 int function; 724 int method; 725 726 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 727 728 sc = (struct acpi_asus_softc *)oidp->oid_arg1; 729 function = oidp->oid_arg2; 730 method = acpi_asus_sysctls[function].method; 731 732 ACPI_SERIAL_BEGIN(asus); 733 arg = acpi_asus_sysctl_get(sc, method); 734 error = sysctl_handle_int(oidp, &arg, 0, req); 735 736 /* Sanity check */ 737 if (error != 0 || req->newptr == NULL) 738 goto out; 739 740 /* Update */ 741 error = acpi_asus_sysctl_set(sc, method, arg); 742 743 out: 744 ACPI_SERIAL_END(asus); 745 return (error); 746 } 747 748 static int 749 acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method) 750 { 751 int val = 0; 752 753 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 754 ACPI_SERIAL_ASSERT(asus); 755 756 switch (method) { 757 case ACPI_ASUS_METHOD_BRN: 758 val = sc->s_brn; 759 break; 760 case ACPI_ASUS_METHOD_DISP: 761 val = sc->s_disp; 762 break; 763 case ACPI_ASUS_METHOD_LCD: 764 val = sc->s_lcd; 765 break; 766 } 767 768 return (val); 769 } 770 771 static int 772 acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int arg) 773 { 774 ACPI_STATUS status = AE_OK; 775 776 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 777 ACPI_SERIAL_ASSERT(asus); 778 779 switch (method) { 780 case ACPI_ASUS_METHOD_BRN: 781 if (arg < 0 || arg > 15) 782 return (EINVAL); 783 784 if (sc->model->brn_set) 785 status = acpi_SetInteger(sc->handle, 786 sc->model->brn_set, arg); 787 else { 788 while (arg != 0) { 789 status = AcpiEvaluateObject(sc->handle, 790 (arg > 0) ? sc->model->brn_up : 791 sc->model->brn_dn, NULL, NULL); 792 (arg > 0) ? arg-- : arg++; 793 } 794 } 795 796 if (ACPI_SUCCESS(status)) 797 sc->s_brn = arg; 798 799 break; 800 case ACPI_ASUS_METHOD_DISP: 801 if (arg < 0 || arg > 7) 802 return (EINVAL); 803 804 status = acpi_SetInteger(sc->handle, 805 sc->model->disp_set, arg); 806 807 if (ACPI_SUCCESS(status)) 808 sc->s_disp = arg; 809 810 break; 811 case ACPI_ASUS_METHOD_LCD: 812 if (arg < 0 || arg > 1) 813 return (EINVAL); 814 815 if (strncmp(sc->model->name, "L3H", 3) != 0) 816 status = AcpiEvaluateObject(sc->handle, 817 sc->model->lcd_set, NULL, NULL); 818 else 819 status = acpi_SetInteger(sc->handle, 820 sc->model->lcd_set, 0x7); 821 822 if (ACPI_SUCCESS(status)) 823 sc->s_lcd = arg; 824 825 break; 826 } 827 828 return (0); 829 } 830 831 static int 832 acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method) 833 { 834 ACPI_STATUS status; 835 836 switch (method) { 837 case ACPI_ASUS_METHOD_BRN: 838 if (sc->model->brn_get) { 839 /* GPLV/SPLV models */ 840 status = acpi_GetInteger(sc->handle, 841 sc->model->brn_get, &sc->s_brn); 842 if (ACPI_SUCCESS(status)) 843 return (TRUE); 844 } else if (sc->model->brn_up) { 845 /* Relative models */ 846 status = AcpiEvaluateObject(sc->handle, 847 sc->model->brn_up, NULL, NULL); 848 if (ACPI_FAILURE(status)) 849 return (FALSE); 850 851 status = AcpiEvaluateObject(sc->handle, 852 sc->model->brn_dn, NULL, NULL); 853 if (ACPI_FAILURE(status)) 854 return (FALSE); 855 856 return (TRUE); 857 } 858 return (FALSE); 859 case ACPI_ASUS_METHOD_DISP: 860 if (sc->model->disp_get) { 861 status = acpi_GetInteger(sc->handle, 862 sc->model->disp_get, &sc->s_disp); 863 if (ACPI_SUCCESS(status)) 864 return (TRUE); 865 } 866 return (FALSE); 867 case ACPI_ASUS_METHOD_LCD: 868 if (sc->model->lcd_get && 869 strncmp(sc->model->name, "L3H", 3) != 0) { 870 status = acpi_GetInteger(sc->handle, 871 sc->model->lcd_get, &sc->s_lcd); 872 if (ACPI_SUCCESS(status)) 873 return (TRUE); 874 } 875 else if (sc->model->lcd_get) { 876 ACPI_BUFFER Buf; 877 ACPI_OBJECT Arg[2], Obj; 878 ACPI_OBJECT_LIST Args; 879 880 /* L3H is a bit special */ 881 Arg[0].Type = ACPI_TYPE_INTEGER; 882 Arg[0].Integer.Value = 0x02; 883 Arg[1].Type = ACPI_TYPE_INTEGER; 884 Arg[1].Integer.Value = 0x03; 885 886 Args.Count = 2; 887 Args.Pointer = Arg; 888 889 Buf.Length = sizeof(Obj); 890 Buf.Pointer = &Obj; 891 892 status = AcpiEvaluateObject(sc->handle, 893 sc->model->lcd_get, &Args, &Buf); 894 if (ACPI_SUCCESS(status) && 895 Obj.Type == ACPI_TYPE_INTEGER) { 896 sc->s_lcd = Obj.Integer.Value >> 8; 897 return (TRUE); 898 } 899 } 900 return (FALSE); 901 } 902 return (FALSE); 903 } 904 905 static void 906 acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context) 907 { 908 struct acpi_asus_softc *sc; 909 struct acpi_softc *acpi_sc; 910 911 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 912 913 sc = device_get_softc((device_t)context); 914 acpi_sc = acpi_device_get_parent_softc(sc->dev); 915 916 ACPI_SERIAL_BEGIN(asus); 917 if ((notify & ~0x10) <= 15) { 918 sc->s_brn = notify & ~0x10; 919 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n"); 920 } else if ((notify & ~0x20) <= 15) { 921 sc->s_brn = notify & ~0x20; 922 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n"); 923 } else if (notify == 0x33) { 924 sc->s_lcd = 1; 925 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned on\n"); 926 } else if (notify == 0x34) { 927 sc->s_lcd = 0; 928 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned off\n"); 929 } else { 930 /* Notify devd(8) */ 931 acpi_UserNotify("ASUS", h, notify); 932 } 933 ACPI_SERIAL_END(asus); 934 } 935