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 flag_anybody; 469 } acpi_asus_sysctls[] = { 470 { 471 .name = "lcd_backlight", 472 .method = ACPI_ASUS_METHOD_LCD, 473 .description = "state of the lcd backlight", 474 .flag_anybody = 1 475 }, 476 { 477 .name = "lcd_brightness", 478 .method = ACPI_ASUS_METHOD_BRN, 479 .description = "brightness of the lcd panel", 480 .flag_anybody = 1 481 }, 482 { 483 .name = "video_output", 484 .method = ACPI_ASUS_METHOD_DISP, 485 .description = "display output state", 486 }, 487 { 488 .name = "camera", 489 .method = ACPI_ASUS_METHOD_CAMERA, 490 .description = "internal camera state", 491 }, 492 { 493 .name = "cardreader", 494 .method = ACPI_ASUS_METHOD_CARDRD, 495 .description = "internal card reader state", 496 }, 497 { 498 .name = "wlan", 499 .method = ACPI_ASUS_METHOD_WLAN, 500 .description = "wireless lan state", 501 }, 502 503 { .name = NULL } 504 }; 505 506 ACPI_SERIAL_DECL(asus, "ACPI ASUS extras"); 507 508 /* Function prototypes */ 509 static int acpi_asus_probe(device_t dev); 510 static int acpi_asus_attach(device_t dev); 511 static int acpi_asus_detach(device_t dev); 512 513 static void acpi_asus_led(struct acpi_asus_led *led, int state); 514 static void acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused); 515 516 static int acpi_asus_sysctl(SYSCTL_HANDLER_ARGS); 517 static int acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method); 518 static int acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method); 519 static int acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int val); 520 521 static void acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context); 522 523 static device_method_t acpi_asus_methods[] = { 524 DEVMETHOD(device_probe, acpi_asus_probe), 525 DEVMETHOD(device_attach, acpi_asus_attach), 526 DEVMETHOD(device_detach, acpi_asus_detach), 527 528 { 0, 0 } 529 }; 530 531 static driver_t acpi_asus_driver = { 532 "acpi_asus", 533 acpi_asus_methods, 534 sizeof(struct acpi_asus_softc) 535 }; 536 537 static devclass_t acpi_asus_devclass; 538 539 DRIVER_MODULE(acpi_asus, acpi, acpi_asus_driver, acpi_asus_devclass, 0, 0); 540 MODULE_DEPEND(acpi_asus, acpi, 1, 1, 1); 541 542 static int 543 acpi_asus_probe(device_t dev) 544 { 545 struct acpi_asus_model *model; 546 struct acpi_asus_softc *sc; 547 struct sbuf *sb; 548 ACPI_BUFFER Buf; 549 ACPI_OBJECT Arg, *Obj; 550 ACPI_OBJECT_LIST Args; 551 static char *asus_ids[] = { "ATK0100", "ASUS010", NULL }; 552 char *rstr; 553 554 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 555 556 if (acpi_disabled("asus")) 557 return (ENXIO); 558 rstr = ACPI_ID_PROBE(device_get_parent(dev), dev, asus_ids); 559 if (rstr == NULL) { 560 return (ENXIO); 561 } 562 563 sc = device_get_softc(dev); 564 sc->dev = dev; 565 sc->handle = acpi_get_handle(dev); 566 567 Arg.Type = ACPI_TYPE_INTEGER; 568 Arg.Integer.Value = 0; 569 570 Args.Count = 1; 571 Args.Pointer = &Arg; 572 573 Buf.Pointer = NULL; 574 Buf.Length = ACPI_ALLOCATE_BUFFER; 575 576 AcpiEvaluateObject(sc->handle, "INIT", &Args, &Buf); 577 Obj = Buf.Pointer; 578 579 /* 580 * The Samsung P30 returns a null-pointer from INIT, we 581 * can identify it from the 'ODEM' string in the DSDT. 582 */ 583 if (Obj->String.Pointer == NULL) { 584 ACPI_STATUS status; 585 ACPI_TABLE_HEADER th; 586 587 status = AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &th); 588 if (ACPI_FAILURE(status)) { 589 device_printf(dev, "Unsupported (Samsung?) laptop\n"); 590 AcpiOsFree(Buf.Pointer); 591 return (ENXIO); 592 } 593 594 if (strncmp("ODEM", th.OemTableId, 4) == 0) { 595 sc->model = &acpi_samsung_models[0]; 596 device_set_desc(dev, "Samsung P30 Laptop Extras"); 597 AcpiOsFree(Buf.Pointer); 598 return (0); 599 } 600 601 /* EeePC */ 602 if (strncmp("ASUS010", rstr, 7) == 0) { 603 sc->model = &acpi_eeepc_models[0]; 604 device_set_desc(dev, "ASUS EeePC"); 605 AcpiOsFree(Buf.Pointer); 606 return (0); 607 } 608 } 609 610 sb = sbuf_new_auto(); 611 if (sb == NULL) 612 return (ENOMEM); 613 614 /* 615 * Asus laptops are simply identified by name, easy! 616 */ 617 for (model = acpi_asus_models; model->name != NULL; model++) { 618 if (strncmp(Obj->String.Pointer, model->name, 3) == 0) { 619 620 good: 621 sbuf_printf(sb, "Asus %s Laptop Extras", 622 Obj->String.Pointer); 623 sbuf_finish(sb); 624 625 sc->model = model; 626 device_set_desc_copy(dev, sbuf_data(sb)); 627 628 sbuf_delete(sb); 629 AcpiOsFree(Buf.Pointer); 630 return (0); 631 } 632 633 /* 634 * Some models look exactly the same as other models, but have 635 * their own ids. If we spot these, set them up with the same 636 * details as the models they're like, possibly dealing with 637 * small differences. 638 * 639 * XXX: there must be a prettier way to do this! 640 */ 641 else if (strncmp(model->name, "xxN", 3) == 0 && 642 (strncmp(Obj->String.Pointer, "M3N", 3) == 0 || 643 strncmp(Obj->String.Pointer, "S1N", 3) == 0)) 644 goto good; 645 else if (strncmp(model->name, "A1x", 3) == 0 && 646 strncmp(Obj->String.Pointer, "A1", 2) == 0) 647 goto good; 648 else if (strncmp(model->name, "A2x", 3) == 0 && 649 strncmp(Obj->String.Pointer, "A2", 2) == 0) 650 goto good; 651 else if (strncmp(model->name, "A3F", 3) == 0 && 652 strncmp(Obj->String.Pointer, "A6F", 3) == 0) 653 goto good; 654 else if (strncmp(model->name, "D1x", 3) == 0 && 655 strncmp(Obj->String.Pointer, "D1", 2) == 0) 656 goto good; 657 else if (strncmp(model->name, "L3H", 3) == 0 && 658 strncmp(Obj->String.Pointer, "L2E", 3) == 0) 659 goto good; 660 else if (strncmp(model->name, "L5x", 3) == 0 && 661 strncmp(Obj->String.Pointer, "L5", 2) == 0) 662 goto good; 663 else if (strncmp(model->name, "M2E", 3) == 0 && 664 (strncmp(Obj->String.Pointer, "M2", 2) == 0 || 665 strncmp(Obj->String.Pointer, "L4E", 3) == 0)) 666 goto good; 667 else if (strncmp(model->name, "S1x", 3) == 0 && 668 (strncmp(Obj->String.Pointer, "L8", 2) == 0 || 669 strncmp(Obj->String.Pointer, "S1", 2) == 0)) 670 goto good; 671 else if (strncmp(model->name, "S2x", 3) == 0 && 672 (strncmp(Obj->String.Pointer, "J1", 2) == 0 || 673 strncmp(Obj->String.Pointer, "S2", 2) == 0)) 674 goto good; 675 676 /* L2B is like L3C but has no lcd_get method */ 677 else if (strncmp(model->name, "L3C", 3) == 0 && 678 strncmp(Obj->String.Pointer, "L2B", 3) == 0) { 679 model->lcd_get = NULL; 680 goto good; 681 } 682 683 /* A3G is like M6R but with a different lcd_get method */ 684 else if (strncmp(model->name, "M6R", 3) == 0 && 685 strncmp(Obj->String.Pointer, "A3G", 3) == 0) { 686 model->lcd_get = "\\BLFG"; 687 goto good; 688 } 689 690 /* M2N and W1N are like xxN with added WLED */ 691 else if (strncmp(model->name, "xxN", 3) == 0 && 692 (strncmp(Obj->String.Pointer, "M2N", 3) == 0 || 693 strncmp(Obj->String.Pointer, "W1N", 3) == 0)) { 694 model->wled_set = "WLED"; 695 goto good; 696 } 697 698 /* M5N and S5N are like xxN without MLED */ 699 else if (strncmp(model->name, "xxN", 3) == 0 && 700 (strncmp(Obj->String.Pointer, "M5N", 3) == 0 || 701 strncmp(Obj->String.Pointer, "S5N", 3) == 0)) { 702 model->mled_set = NULL; 703 goto good; 704 } 705 } 706 707 sbuf_printf(sb, "Unsupported Asus laptop: %s\n", Obj->String.Pointer); 708 sbuf_finish(sb); 709 710 device_printf(dev, "%s", sbuf_data(sb)); 711 712 sbuf_delete(sb); 713 AcpiOsFree(Buf.Pointer); 714 715 return (ENXIO); 716 } 717 718 static int 719 acpi_asus_attach(device_t dev) 720 { 721 struct acpi_asus_softc *sc; 722 struct acpi_softc *acpi_sc; 723 724 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 725 726 sc = device_get_softc(dev); 727 acpi_sc = acpi_device_get_parent_softc(dev); 728 729 /* Build sysctl tree */ 730 sysctl_ctx_init(&sc->sysctl_ctx); 731 sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx, 732 SYSCTL_CHILDREN(acpi_sc->acpi_sysctl_tree), 733 OID_AUTO, "asus", CTLFLAG_RD, 0, ""); 734 735 /* Hook up nodes */ 736 for (int i = 0; acpi_asus_sysctls[i].name != NULL; i++) { 737 if (!acpi_asus_sysctl_init(sc, acpi_asus_sysctls[i].method)) 738 continue; 739 740 if (acpi_asus_sysctls[i].flag_anybody != 0) { 741 SYSCTL_ADD_PROC(&sc->sysctl_ctx, 742 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 743 acpi_asus_sysctls[i].name, 744 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY, 745 sc, i, acpi_asus_sysctl, "I", 746 acpi_asus_sysctls[i].description); 747 } else { 748 SYSCTL_ADD_PROC(&sc->sysctl_ctx, 749 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 750 acpi_asus_sysctls[i].name, 751 CTLTYPE_INT | CTLFLAG_RW, 752 sc, i, acpi_asus_sysctl, "I", 753 acpi_asus_sysctls[i].description); 754 } 755 } 756 757 /* Attach leds */ 758 if (sc->model->bled_set) { 759 sc->s_bled.busy = 0; 760 sc->s_bled.sc = sc; 761 sc->s_bled.type = ACPI_ASUS_LED_BLED; 762 sc->s_bled.cdev = 763 led_create_state((led_t *)acpi_asus_led, &sc->s_bled, 764 "bled", 1); 765 } 766 767 if (sc->model->dled_set) { 768 sc->s_dled.busy = 0; 769 sc->s_dled.sc = sc; 770 sc->s_dled.type = ACPI_ASUS_LED_DLED; 771 sc->s_dled.cdev = 772 led_create((led_t *)acpi_asus_led, &sc->s_dled, "dled"); 773 } 774 775 if (sc->model->gled_set) { 776 sc->s_gled.busy = 0; 777 sc->s_gled.sc = sc; 778 sc->s_gled.type = ACPI_ASUS_LED_GLED; 779 sc->s_gled.cdev = 780 led_create((led_t *)acpi_asus_led, &sc->s_gled, "gled"); 781 } 782 783 if (sc->model->mled_set) { 784 sc->s_mled.busy = 0; 785 sc->s_mled.sc = sc; 786 sc->s_mled.type = ACPI_ASUS_LED_MLED; 787 sc->s_mled.cdev = 788 led_create((led_t *)acpi_asus_led, &sc->s_mled, "mled"); 789 } 790 791 if (sc->model->tled_set) { 792 sc->s_tled.busy = 0; 793 sc->s_tled.sc = sc; 794 sc->s_tled.type = ACPI_ASUS_LED_TLED; 795 sc->s_tled.cdev = 796 led_create_state((led_t *)acpi_asus_led, &sc->s_tled, 797 "tled", 1); 798 } 799 800 if (sc->model->wled_set) { 801 sc->s_wled.busy = 0; 802 sc->s_wled.sc = sc; 803 sc->s_wled.type = ACPI_ASUS_LED_WLED; 804 sc->s_wled.cdev = 805 led_create_state((led_t *)acpi_asus_led, &sc->s_wled, 806 "wled", 1); 807 } 808 809 /* Activate hotkeys */ 810 AcpiEvaluateObject(sc->handle, "BSTS", NULL, NULL); 811 812 /* Handle notifies */ 813 if (sc->model->n_func == NULL) 814 sc->model->n_func = acpi_asus_notify; 815 816 AcpiInstallNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY, 817 sc->model->n_func, dev); 818 819 /* Find and hook the 'LCDD' object */ 820 if (sc->model->lcdd != NULL && sc->model->lcdd_n_func != NULL) { 821 ACPI_STATUS res; 822 823 sc->lcdd_handle = NULL; 824 res = AcpiGetHandle((sc->model->lcdd[0] == '\\' ? 825 NULL : sc->handle), sc->model->lcdd, &(sc->lcdd_handle)); 826 if (ACPI_SUCCESS(res)) { 827 AcpiInstallNotifyHandler((sc->lcdd_handle), 828 ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func, dev); 829 } else { 830 printf("%s: unable to find LCD device '%s'\n", 831 __func__, sc->model->lcdd); 832 } 833 } 834 835 return (0); 836 } 837 838 static int 839 acpi_asus_detach(device_t dev) 840 { 841 struct acpi_asus_softc *sc; 842 843 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 844 845 sc = device_get_softc(dev); 846 847 /* Turn the lights off */ 848 if (sc->model->bled_set) 849 led_destroy(sc->s_bled.cdev); 850 851 if (sc->model->dled_set) 852 led_destroy(sc->s_dled.cdev); 853 854 if (sc->model->gled_set) 855 led_destroy(sc->s_gled.cdev); 856 857 if (sc->model->mled_set) 858 led_destroy(sc->s_mled.cdev); 859 860 if (sc->model->tled_set) 861 led_destroy(sc->s_tled.cdev); 862 863 if (sc->model->wled_set) 864 led_destroy(sc->s_wled.cdev); 865 866 /* Remove notify handler */ 867 AcpiRemoveNotifyHandler(sc->handle, ACPI_SYSTEM_NOTIFY, 868 acpi_asus_notify); 869 870 if (sc->lcdd_handle) { 871 KASSERT(sc->model->lcdd_n_func != NULL, 872 ("model->lcdd_n_func is NULL, but lcdd_handle is non-zero")); 873 AcpiRemoveNotifyHandler((sc->lcdd_handle), 874 ACPI_DEVICE_NOTIFY, sc->model->lcdd_n_func); 875 } 876 877 /* Free sysctl tree */ 878 sysctl_ctx_free(&sc->sysctl_ctx); 879 880 return (0); 881 } 882 883 static void 884 acpi_asus_led_task(struct acpi_asus_led *led, int pending __unused) 885 { 886 struct acpi_asus_softc *sc; 887 char *method; 888 int state; 889 890 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 891 892 sc = led->sc; 893 894 switch (led->type) { 895 case ACPI_ASUS_LED_BLED: 896 method = sc->model->bled_set; 897 state = led->state; 898 break; 899 case ACPI_ASUS_LED_DLED: 900 method = sc->model->dled_set; 901 state = led->state; 902 break; 903 case ACPI_ASUS_LED_GLED: 904 method = sc->model->gled_set; 905 state = led->state + 1; /* 1: off, 2: on */ 906 break; 907 case ACPI_ASUS_LED_MLED: 908 method = sc->model->mled_set; 909 state = !led->state; /* inverted */ 910 break; 911 case ACPI_ASUS_LED_TLED: 912 method = sc->model->tled_set; 913 state = led->state; 914 break; 915 case ACPI_ASUS_LED_WLED: 916 method = sc->model->wled_set; 917 state = led->state; 918 break; 919 default: 920 printf("acpi_asus_led: invalid LED type %d\n", 921 (int)led->type); 922 return; 923 } 924 925 acpi_SetInteger(sc->handle, method, state); 926 led->busy = 0; 927 } 928 929 static void 930 acpi_asus_led(struct acpi_asus_led *led, int state) 931 { 932 933 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 934 935 if (led->busy) 936 return; 937 938 led->busy = 1; 939 led->state = state; 940 941 AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)acpi_asus_led_task, led); 942 } 943 944 static int 945 acpi_asus_sysctl(SYSCTL_HANDLER_ARGS) 946 { 947 struct acpi_asus_softc *sc; 948 int arg; 949 int error = 0; 950 int function; 951 int method; 952 953 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 954 955 sc = (struct acpi_asus_softc *)oidp->oid_arg1; 956 function = oidp->oid_arg2; 957 method = acpi_asus_sysctls[function].method; 958 959 ACPI_SERIAL_BEGIN(asus); 960 arg = acpi_asus_sysctl_get(sc, method); 961 error = sysctl_handle_int(oidp, &arg, 0, req); 962 963 /* Sanity check */ 964 if (error != 0 || req->newptr == NULL) 965 goto out; 966 967 /* Update */ 968 error = acpi_asus_sysctl_set(sc, method, arg); 969 970 out: 971 ACPI_SERIAL_END(asus); 972 return (error); 973 } 974 975 static int 976 acpi_asus_sysctl_get(struct acpi_asus_softc *sc, int method) 977 { 978 int val = 0; 979 980 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 981 ACPI_SERIAL_ASSERT(asus); 982 983 switch (method) { 984 case ACPI_ASUS_METHOD_BRN: 985 val = sc->s_brn; 986 break; 987 case ACPI_ASUS_METHOD_DISP: 988 val = sc->s_disp; 989 break; 990 case ACPI_ASUS_METHOD_LCD: 991 val = sc->s_lcd; 992 break; 993 case ACPI_ASUS_METHOD_CAMERA: 994 val = sc->s_cam; 995 break; 996 case ACPI_ASUS_METHOD_CARDRD: 997 val = sc->s_crd; 998 break; 999 case ACPI_ASUS_METHOD_WLAN: 1000 val = sc->s_wlan; 1001 break; 1002 } 1003 1004 return (val); 1005 } 1006 1007 static int 1008 acpi_asus_sysctl_set(struct acpi_asus_softc *sc, int method, int arg) 1009 { 1010 ACPI_STATUS status = AE_OK; 1011 ACPI_OBJECT_LIST acpiargs; 1012 ACPI_OBJECT acpiarg[1]; 1013 1014 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1015 ACPI_SERIAL_ASSERT(asus); 1016 1017 acpiargs.Count = 1; 1018 acpiargs.Pointer = acpiarg; 1019 acpiarg[0].Type = ACPI_TYPE_INTEGER; 1020 acpiarg[0].Integer.Value = arg; 1021 1022 switch (method) { 1023 case ACPI_ASUS_METHOD_BRN: 1024 if (arg < 0 || arg > 15) 1025 return (EINVAL); 1026 1027 if (sc->model->brn_set) 1028 status = acpi_SetInteger(sc->handle, 1029 sc->model->brn_set, arg); 1030 else { 1031 while (arg != 0) { 1032 status = AcpiEvaluateObject(sc->handle, 1033 (arg > 0) ? sc->model->brn_up : 1034 sc->model->brn_dn, NULL, NULL); 1035 (arg > 0) ? arg-- : arg++; 1036 } 1037 } 1038 1039 if (ACPI_SUCCESS(status)) 1040 sc->s_brn = arg; 1041 1042 break; 1043 case ACPI_ASUS_METHOD_DISP: 1044 if (arg < 0 || arg > 7) 1045 return (EINVAL); 1046 1047 status = acpi_SetInteger(sc->handle, 1048 sc->model->disp_set, arg); 1049 1050 if (ACPI_SUCCESS(status)) 1051 sc->s_disp = arg; 1052 1053 break; 1054 case ACPI_ASUS_METHOD_LCD: 1055 if (arg < 0 || arg > 1) 1056 return (EINVAL); 1057 1058 if (strncmp(sc->model->name, "L3H", 3) != 0) 1059 status = AcpiEvaluateObject(sc->handle, 1060 sc->model->lcd_set, NULL, NULL); 1061 else 1062 status = acpi_SetInteger(sc->handle, 1063 sc->model->lcd_set, 0x7); 1064 1065 if (ACPI_SUCCESS(status)) 1066 sc->s_lcd = arg; 1067 1068 break; 1069 case ACPI_ASUS_METHOD_CAMERA: 1070 if (arg < 0 || arg > 1) 1071 return (EINVAL); 1072 1073 status = AcpiEvaluateObject(sc->handle, 1074 sc->model->cam_set, &acpiargs, NULL); 1075 1076 if (ACPI_SUCCESS(status)) 1077 sc->s_cam = arg; 1078 break; 1079 case ACPI_ASUS_METHOD_CARDRD: 1080 if (arg < 0 || arg > 1) 1081 return (EINVAL); 1082 1083 status = AcpiEvaluateObject(sc->handle, 1084 sc->model->crd_set, &acpiargs, NULL); 1085 1086 if (ACPI_SUCCESS(status)) 1087 sc->s_crd = arg; 1088 break; 1089 case ACPI_ASUS_METHOD_WLAN: 1090 if (arg < 0 || arg > 1) 1091 return (EINVAL); 1092 1093 status = AcpiEvaluateObject(sc->handle, 1094 sc->model->wlan_set, &acpiargs, NULL); 1095 1096 if (ACPI_SUCCESS(status)) 1097 sc->s_wlan = arg; 1098 break; 1099 } 1100 1101 return (0); 1102 } 1103 1104 static int 1105 acpi_asus_sysctl_init(struct acpi_asus_softc *sc, int method) 1106 { 1107 ACPI_STATUS status; 1108 1109 switch (method) { 1110 case ACPI_ASUS_METHOD_BRN: 1111 if (sc->model->brn_get) { 1112 /* GPLV/SPLV models */ 1113 status = acpi_GetInteger(sc->handle, 1114 sc->model->brn_get, &sc->s_brn); 1115 if (ACPI_SUCCESS(status)) 1116 return (TRUE); 1117 } else if (sc->model->brn_up) { 1118 /* Relative models */ 1119 status = AcpiEvaluateObject(sc->handle, 1120 sc->model->brn_up, NULL, NULL); 1121 if (ACPI_FAILURE(status)) 1122 return (FALSE); 1123 1124 status = AcpiEvaluateObject(sc->handle, 1125 sc->model->brn_dn, NULL, NULL); 1126 if (ACPI_FAILURE(status)) 1127 return (FALSE); 1128 1129 return (TRUE); 1130 } 1131 return (FALSE); 1132 case ACPI_ASUS_METHOD_DISP: 1133 if (sc->model->disp_get) { 1134 status = acpi_GetInteger(sc->handle, 1135 sc->model->disp_get, &sc->s_disp); 1136 if (ACPI_SUCCESS(status)) 1137 return (TRUE); 1138 } 1139 return (FALSE); 1140 case ACPI_ASUS_METHOD_LCD: 1141 if (sc->model->lcd_get) { 1142 if (strncmp(sc->model->name, "L3H", 3) == 0) { 1143 ACPI_BUFFER Buf; 1144 ACPI_OBJECT Arg[2], Obj; 1145 ACPI_OBJECT_LIST Args; 1146 1147 /* L3H is a bit special */ 1148 Arg[0].Type = ACPI_TYPE_INTEGER; 1149 Arg[0].Integer.Value = 0x02; 1150 Arg[1].Type = ACPI_TYPE_INTEGER; 1151 Arg[1].Integer.Value = 0x03; 1152 1153 Args.Count = 2; 1154 Args.Pointer = Arg; 1155 1156 Buf.Length = sizeof(Obj); 1157 Buf.Pointer = &Obj; 1158 1159 status = AcpiEvaluateObject(sc->handle, 1160 sc->model->lcd_get, &Args, &Buf); 1161 if (ACPI_SUCCESS(status) && 1162 Obj.Type == ACPI_TYPE_INTEGER) { 1163 sc->s_lcd = Obj.Integer.Value >> 8; 1164 return (TRUE); 1165 } 1166 } else { 1167 status = acpi_GetInteger(sc->handle, 1168 sc->model->lcd_get, &sc->s_lcd); 1169 if (ACPI_SUCCESS(status)) 1170 return (TRUE); 1171 } 1172 } 1173 return (FALSE); 1174 case ACPI_ASUS_METHOD_CAMERA: 1175 if (sc->model->cam_get) { 1176 status = acpi_GetInteger(sc->handle, 1177 sc->model->cam_get, &sc->s_cam); 1178 if (ACPI_SUCCESS(status)) 1179 return (TRUE); 1180 } 1181 return (FALSE); 1182 case ACPI_ASUS_METHOD_CARDRD: 1183 if (sc->model->crd_get) { 1184 status = acpi_GetInteger(sc->handle, 1185 sc->model->crd_get, &sc->s_crd); 1186 if (ACPI_SUCCESS(status)) 1187 return (TRUE); 1188 } 1189 return (FALSE); 1190 case ACPI_ASUS_METHOD_WLAN: 1191 if (sc->model->wlan_get) { 1192 status = acpi_GetInteger(sc->handle, 1193 sc->model->wlan_get, &sc->s_wlan); 1194 if (ACPI_SUCCESS(status)) 1195 return (TRUE); 1196 } 1197 return (FALSE); 1198 } 1199 return (FALSE); 1200 } 1201 1202 static void 1203 acpi_asus_notify(ACPI_HANDLE h, UINT32 notify, void *context) 1204 { 1205 struct acpi_asus_softc *sc; 1206 struct acpi_softc *acpi_sc; 1207 1208 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1209 1210 sc = device_get_softc((device_t)context); 1211 acpi_sc = acpi_device_get_parent_softc(sc->dev); 1212 1213 ACPI_SERIAL_BEGIN(asus); 1214 if ((notify & ~0x10) <= 15) { 1215 sc->s_brn = notify & ~0x10; 1216 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n"); 1217 } else if ((notify & ~0x20) <= 15) { 1218 sc->s_brn = notify & ~0x20; 1219 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n"); 1220 } else if (notify == 0x33) { 1221 sc->s_lcd = 1; 1222 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned on\n"); 1223 } else if (notify == 0x34) { 1224 sc->s_lcd = 0; 1225 ACPI_VPRINT(sc->dev, acpi_sc, "LCD turned off\n"); 1226 } else if (notify == 0x86) { 1227 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1); 1228 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n"); 1229 } else if (notify == 0x87) { 1230 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1); 1231 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n"); 1232 } else { 1233 /* Notify devd(8) */ 1234 acpi_UserNotify("ASUS", h, notify); 1235 } 1236 ACPI_SERIAL_END(asus); 1237 } 1238 1239 static void 1240 acpi_asus_lcdd_notify(ACPI_HANDLE h, UINT32 notify, void *context) 1241 { 1242 struct acpi_asus_softc *sc; 1243 struct acpi_softc *acpi_sc; 1244 1245 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1246 1247 sc = device_get_softc((device_t)context); 1248 acpi_sc = acpi_device_get_parent_softc(sc->dev); 1249 1250 ACPI_SERIAL_BEGIN(asus); 1251 switch (notify) { 1252 case 0x87: 1253 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn-1); 1254 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness decreased\n"); 1255 break; 1256 case 0x86: 1257 acpi_asus_sysctl_set(sc, ACPI_ASUS_METHOD_BRN, sc->s_brn+1); 1258 ACPI_VPRINT(sc->dev, acpi_sc, "Brightness increased\n"); 1259 break; 1260 } 1261 ACPI_SERIAL_END(asus); 1262 } 1263 1264 static void 1265 acpi_asus_eeepc_notify(ACPI_HANDLE h, UINT32 notify, void *context) 1266 { 1267 struct acpi_asus_softc *sc; 1268 struct acpi_softc *acpi_sc; 1269 1270 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1271 1272 sc = device_get_softc((device_t)context); 1273 acpi_sc = acpi_device_get_parent_softc(sc->dev); 1274 1275 ACPI_SERIAL_BEGIN(asus); 1276 if ((notify & ~0x20) <= 15) { 1277 sc->s_brn = notify & ~0x20; 1278 ACPI_VPRINT(sc->dev, acpi_sc, 1279 "Brightness increased/decreased\n"); 1280 } else { 1281 /* Notify devd(8) */ 1282 acpi_UserNotify("ASUS-Eee", h, notify); 1283 } 1284 ACPI_SERIAL_END(asus); 1285 } 1286