1 /*- 2 * Copyright (c) 2004 Takanori Watanabe 3 * Copyright (c) 2005 Markus Brueffer <markus@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 /* 32 * Driver for extra ACPI-controlled gadgets found on IBM ThinkPad laptops. 33 * Inspired by the ibm-acpi and tpb projects which implement these features 34 * on Linux. 35 * 36 * acpi-ibm: <http://ibm-acpi.sourceforge.net/> 37 * tpb: <http://www.nongnu.org/tpb/> 38 */ 39 40 #include "opt_acpi.h" 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/kernel.h> 44 #include <sys/bus.h> 45 #include <machine/cpufunc.h> 46 47 #include <contrib/dev/acpica/include/acpi.h> 48 #include <contrib/dev/acpica/include/accommon.h> 49 50 #include "acpi_if.h" 51 #include <sys/module.h> 52 #include <dev/acpica/acpivar.h> 53 #include <dev/led/led.h> 54 #include <sys/power.h> 55 #include <sys/sbuf.h> 56 #include <sys/sysctl.h> 57 #include <isa/rtc.h> 58 59 #define _COMPONENT ACPI_OEM 60 ACPI_MODULE_NAME("IBM") 61 62 /* Internal methods */ 63 #define ACPI_IBM_METHOD_EVENTS 1 64 #define ACPI_IBM_METHOD_EVENTMASK 2 65 #define ACPI_IBM_METHOD_HOTKEY 3 66 #define ACPI_IBM_METHOD_BRIGHTNESS 4 67 #define ACPI_IBM_METHOD_VOLUME 5 68 #define ACPI_IBM_METHOD_MUTE 6 69 #define ACPI_IBM_METHOD_THINKLIGHT 7 70 #define ACPI_IBM_METHOD_BLUETOOTH 8 71 #define ACPI_IBM_METHOD_WLAN 9 72 #define ACPI_IBM_METHOD_FANSPEED 10 73 #define ACPI_IBM_METHOD_FANLEVEL 11 74 #define ACPI_IBM_METHOD_FANSTATUS 12 75 #define ACPI_IBM_METHOD_THERMAL 13 76 #define ACPI_IBM_METHOD_HANDLEREVENTS 14 77 78 /* Hotkeys/Buttons */ 79 #define IBM_RTC_HOTKEY1 0x64 80 #define IBM_RTC_MASK_HOME (1 << 0) 81 #define IBM_RTC_MASK_SEARCH (1 << 1) 82 #define IBM_RTC_MASK_MAIL (1 << 2) 83 #define IBM_RTC_MASK_WLAN (1 << 5) 84 #define IBM_RTC_HOTKEY2 0x65 85 #define IBM_RTC_MASK_THINKPAD (1 << 3) 86 #define IBM_RTC_MASK_ZOOM (1 << 5) 87 #define IBM_RTC_MASK_VIDEO (1 << 6) 88 #define IBM_RTC_MASK_HIBERNATE (1 << 7) 89 #define IBM_RTC_THINKLIGHT 0x66 90 #define IBM_RTC_MASK_THINKLIGHT (1 << 4) 91 #define IBM_RTC_SCREENEXPAND 0x67 92 #define IBM_RTC_MASK_SCREENEXPAND (1 << 5) 93 #define IBM_RTC_BRIGHTNESS 0x6c 94 #define IBM_RTC_MASK_BRIGHTNESS (1 << 5) 95 #define IBM_RTC_VOLUME 0x6e 96 #define IBM_RTC_MASK_VOLUME (1 << 7) 97 98 /* Embedded Controller registers */ 99 #define IBM_EC_BRIGHTNESS 0x31 100 #define IBM_EC_MASK_BRI 0x7 101 #define IBM_EC_VOLUME 0x30 102 #define IBM_EC_MASK_VOL 0xf 103 #define IBM_EC_MASK_MUTE (1 << 6) 104 #define IBM_EC_FANSTATUS 0x2F 105 #define IBM_EC_MASK_FANLEVEL 0x3f 106 #define IBM_EC_MASK_FANDISENGAGED (1 << 6) 107 #define IBM_EC_MASK_FANSTATUS (1 << 7) 108 #define IBM_EC_FANSPEED 0x84 109 110 /* CMOS Commands */ 111 #define IBM_CMOS_VOLUME_DOWN 0 112 #define IBM_CMOS_VOLUME_UP 1 113 #define IBM_CMOS_VOLUME_MUTE 2 114 #define IBM_CMOS_BRIGHTNESS_UP 4 115 #define IBM_CMOS_BRIGHTNESS_DOWN 5 116 117 /* ACPI methods */ 118 #define IBM_NAME_KEYLIGHT "KBLT" 119 #define IBM_NAME_WLAN_BT_GET "GBDC" 120 #define IBM_NAME_WLAN_BT_SET "SBDC" 121 #define IBM_NAME_MASK_BT (1 << 1) 122 #define IBM_NAME_MASK_WLAN (1 << 2) 123 #define IBM_NAME_THERMAL_GET "TMP7" 124 #define IBM_NAME_THERMAL_UPDT "UPDT" 125 126 #define IBM_NAME_EVENTS_STATUS_GET "DHKC" 127 #define IBM_NAME_EVENTS_MASK_GET "DHKN" 128 #define IBM_NAME_EVENTS_STATUS_SET "MHKC" 129 #define IBM_NAME_EVENTS_MASK_SET "MHKM" 130 #define IBM_NAME_EVENTS_GET "MHKP" 131 #define IBM_NAME_EVENTS_AVAILMASK "MHKA" 132 133 /* Event Code */ 134 #define IBM_EVENT_LCD_BACKLIGHT 0x03 135 #define IBM_EVENT_SUSPEND_TO_RAM 0x04 136 #define IBM_EVENT_BLUETOOTH 0x05 137 #define IBM_EVENT_SCREEN_EXPAND 0x07 138 #define IBM_EVENT_SUSPEND_TO_DISK 0x0c 139 #define IBM_EVENT_BRIGHTNESS_UP 0x10 140 #define IBM_EVENT_BRIGHTNESS_DOWN 0x11 141 #define IBM_EVENT_THINKLIGHT 0x12 142 #define IBM_EVENT_ZOOM 0x14 143 #define IBM_EVENT_VOLUME_UP 0x15 144 #define IBM_EVENT_VOLUME_DOWN 0x16 145 #define IBM_EVENT_MUTE 0x17 146 #define IBM_EVENT_ACCESS_IBM_BUTTON 0x18 147 148 #define ABS(x) (((x) < 0)? -(x) : (x)) 149 150 struct acpi_ibm_softc { 151 device_t dev; 152 ACPI_HANDLE handle; 153 154 /* Embedded controller */ 155 device_t ec_dev; 156 ACPI_HANDLE ec_handle; 157 158 /* CMOS */ 159 ACPI_HANDLE cmos_handle; 160 161 /* Fan status */ 162 ACPI_HANDLE fan_handle; 163 int fan_levels; 164 165 /* Keylight commands and states */ 166 ACPI_HANDLE light_handle; 167 int light_cmd_on; 168 int light_cmd_off; 169 int light_val; 170 int light_get_supported; 171 int light_set_supported; 172 173 /* led(4) interface */ 174 struct cdev *led_dev; 175 int led_busy; 176 int led_state; 177 178 int wlan_bt_flags; 179 int thermal_updt_supported; 180 181 unsigned int events_availmask; 182 unsigned int events_initialmask; 183 int events_mask_supported; 184 int events_enable; 185 186 unsigned int handler_events; 187 188 struct sysctl_ctx_list *sysctl_ctx; 189 struct sysctl_oid *sysctl_tree; 190 }; 191 192 static struct { 193 char *name; 194 int method; 195 char *description; 196 int flag_rdonly; 197 } acpi_ibm_sysctls[] = { 198 { 199 .name = "events", 200 .method = ACPI_IBM_METHOD_EVENTS, 201 .description = "ACPI events enable", 202 }, 203 { 204 .name = "eventmask", 205 .method = ACPI_IBM_METHOD_EVENTMASK, 206 .description = "ACPI eventmask", 207 }, 208 { 209 .name = "hotkey", 210 .method = ACPI_IBM_METHOD_HOTKEY, 211 .description = "Key Status", 212 .flag_rdonly = 1 213 }, 214 { 215 .name = "lcd_brightness", 216 .method = ACPI_IBM_METHOD_BRIGHTNESS, 217 .description = "LCD Brightness", 218 }, 219 { 220 .name = "volume", 221 .method = ACPI_IBM_METHOD_VOLUME, 222 .description = "Volume", 223 }, 224 { 225 .name = "mute", 226 .method = ACPI_IBM_METHOD_MUTE, 227 .description = "Mute", 228 }, 229 { 230 .name = "thinklight", 231 .method = ACPI_IBM_METHOD_THINKLIGHT, 232 .description = "Thinklight enable", 233 }, 234 { 235 .name = "bluetooth", 236 .method = ACPI_IBM_METHOD_BLUETOOTH, 237 .description = "Bluetooth enable", 238 }, 239 { 240 .name = "wlan", 241 .method = ACPI_IBM_METHOD_WLAN, 242 .description = "WLAN enable", 243 .flag_rdonly = 1 244 }, 245 { 246 .name = "fan_speed", 247 .method = ACPI_IBM_METHOD_FANSPEED, 248 .description = "Fan speed", 249 .flag_rdonly = 1 250 }, 251 { 252 .name = "fan_level", 253 .method = ACPI_IBM_METHOD_FANLEVEL, 254 .description = "Fan level", 255 }, 256 { 257 .name = "fan", 258 .method = ACPI_IBM_METHOD_FANSTATUS, 259 .description = "Fan enable", 260 }, 261 262 { NULL, 0, NULL, 0 } 263 }; 264 265 /* 266 * Per-model default list of event mask. 267 */ 268 #define ACPI_IBM_HKEY_RFKILL_MASK (1 << 4) 269 #define ACPI_IBM_HKEY_DSWITCH_MASK (1 << 6) 270 #define ACPI_IBM_HKEY_BRIGHTNESS_UP_MASK (1 << 15) 271 #define ACPI_IBM_HKEY_BRIGHTNESS_DOWN_MASK (1 << 16) 272 #define ACPI_IBM_HKEY_SEARCH_MASK (1 << 18) 273 #define ACPI_IBM_HKEY_MICMUTE_MASK (1 << 26) 274 #define ACPI_IBM_HKEY_SETTINGS_MASK (1 << 28) 275 #define ACPI_IBM_HKEY_VIEWOPEN_MASK (1 << 30) 276 #define ACPI_IBM_HKEY_VIEWALL_MASK (1 << 31) 277 278 struct acpi_ibm_models { 279 const char *maker; 280 const char *product; 281 uint32_t eventmask; 282 } acpi_ibm_models[] = { 283 { "LENOVO", "20BSCTO1WW", 284 ACPI_IBM_HKEY_RFKILL_MASK | 285 ACPI_IBM_HKEY_DSWITCH_MASK | 286 ACPI_IBM_HKEY_BRIGHTNESS_UP_MASK | 287 ACPI_IBM_HKEY_BRIGHTNESS_DOWN_MASK | 288 ACPI_IBM_HKEY_SEARCH_MASK | 289 ACPI_IBM_HKEY_MICMUTE_MASK | 290 ACPI_IBM_HKEY_SETTINGS_MASK | 291 ACPI_IBM_HKEY_VIEWOPEN_MASK | 292 ACPI_IBM_HKEY_VIEWALL_MASK 293 } 294 }; 295 296 ACPI_SERIAL_DECL(ibm, "ACPI IBM extras"); 297 298 static int acpi_ibm_probe(device_t dev); 299 static int acpi_ibm_attach(device_t dev); 300 static int acpi_ibm_detach(device_t dev); 301 static int acpi_ibm_resume(device_t dev); 302 303 static void ibm_led(void *softc, int onoff); 304 static void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused); 305 306 static int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS); 307 static int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method); 308 static int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method); 309 static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val); 310 311 static int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val); 312 static int acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS); 313 static int acpi_ibm_handlerevents_sysctl(SYSCTL_HANDLER_ARGS); 314 static void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context); 315 316 static int acpi_ibm_brightness_set(struct acpi_ibm_softc *sc, int arg); 317 static int acpi_ibm_bluetooth_set(struct acpi_ibm_softc *sc, int arg); 318 static int acpi_ibm_thinklight_set(struct acpi_ibm_softc *sc, int arg); 319 static int acpi_ibm_volume_set(struct acpi_ibm_softc *sc, int arg); 320 static int acpi_ibm_mute_set(struct acpi_ibm_softc *sc, int arg); 321 322 static device_method_t acpi_ibm_methods[] = { 323 /* Device interface */ 324 DEVMETHOD(device_probe, acpi_ibm_probe), 325 DEVMETHOD(device_attach, acpi_ibm_attach), 326 DEVMETHOD(device_detach, acpi_ibm_detach), 327 DEVMETHOD(device_resume, acpi_ibm_resume), 328 329 DEVMETHOD_END 330 }; 331 332 static driver_t acpi_ibm_driver = { 333 "acpi_ibm", 334 acpi_ibm_methods, 335 sizeof(struct acpi_ibm_softc), 336 }; 337 338 static devclass_t acpi_ibm_devclass; 339 340 DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass, 341 0, 0); 342 MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1); 343 static char *ibm_ids[] = {"IBM0068", "LEN0068", NULL}; 344 345 static void 346 ibm_led(void *softc, int onoff) 347 { 348 struct acpi_ibm_softc* sc = (struct acpi_ibm_softc*) softc; 349 350 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 351 352 if (sc->led_busy) 353 return; 354 355 sc->led_busy = 1; 356 sc->led_state = onoff; 357 358 AcpiOsExecute(OSL_NOTIFY_HANDLER, (void *)ibm_led_task, sc); 359 } 360 361 static void 362 ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused) 363 { 364 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 365 366 ACPI_SERIAL_BEGIN(ibm); 367 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state); 368 ACPI_SERIAL_END(ibm); 369 370 sc->led_busy = 0; 371 } 372 373 static int 374 acpi_ibm_probe(device_t dev) 375 { 376 if (acpi_disabled("ibm") || 377 ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_ids) == NULL || 378 device_get_unit(dev) != 0) 379 return (ENXIO); 380 381 device_set_desc(dev, "IBM ThinkPad ACPI Extras"); 382 383 return (0); 384 } 385 386 static int 387 acpi_ibm_attach(device_t dev) 388 { 389 int i; 390 struct acpi_ibm_softc *sc; 391 char *maker, *product; 392 devclass_t ec_devclass; 393 394 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); 395 396 sc = device_get_softc(dev); 397 sc->dev = dev; 398 sc->handle = acpi_get_handle(dev); 399 400 /* Look for the first embedded controller */ 401 if (!(ec_devclass = devclass_find ("acpi_ec"))) { 402 if (bootverbose) 403 device_printf(dev, "Couldn't find acpi_ec devclass\n"); 404 return (EINVAL); 405 } 406 if (!(sc->ec_dev = devclass_get_device(ec_devclass, 0))) { 407 if (bootverbose) 408 device_printf(dev, "Couldn't find acpi_ec device\n"); 409 return (EINVAL); 410 } 411 sc->ec_handle = acpi_get_handle(sc->ec_dev); 412 413 /* Get the sysctl tree */ 414 sc->sysctl_ctx = device_get_sysctl_ctx(dev); 415 sc->sysctl_tree = device_get_sysctl_tree(dev); 416 417 /* Look for event mask and hook up the nodes */ 418 sc->events_mask_supported = ACPI_SUCCESS(acpi_GetInteger(sc->handle, 419 IBM_NAME_EVENTS_MASK_GET, &sc->events_initialmask)); 420 421 if (sc->events_mask_supported) { 422 SYSCTL_ADD_UINT(sc->sysctl_ctx, 423 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 424 "initialmask", CTLFLAG_RD, 425 &sc->events_initialmask, 0, "Initial eventmask"); 426 427 /* The availmask is the bitmask of supported events */ 428 if (ACPI_FAILURE(acpi_GetInteger(sc->handle, 429 IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask))) 430 sc->events_availmask = 0xffffffff; 431 432 SYSCTL_ADD_UINT(sc->sysctl_ctx, 433 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 434 "availmask", CTLFLAG_RD, 435 &sc->events_availmask, 0, "Mask of supported events"); 436 } 437 438 /* Hook up proc nodes */ 439 for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) { 440 if (!acpi_ibm_sysctl_init(sc, acpi_ibm_sysctls[i].method)) 441 continue; 442 443 if (acpi_ibm_sysctls[i].flag_rdonly != 0) { 444 SYSCTL_ADD_PROC(sc->sysctl_ctx, 445 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 446 acpi_ibm_sysctls[i].name, CTLTYPE_INT | CTLFLAG_RD, 447 sc, i, acpi_ibm_sysctl, "I", 448 acpi_ibm_sysctls[i].description); 449 } else { 450 SYSCTL_ADD_PROC(sc->sysctl_ctx, 451 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 452 acpi_ibm_sysctls[i].name, CTLTYPE_INT | CTLFLAG_RW, 453 sc, i, acpi_ibm_sysctl, "I", 454 acpi_ibm_sysctls[i].description); 455 } 456 } 457 458 /* Hook up thermal node */ 459 if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_THERMAL)) { 460 SYSCTL_ADD_PROC(sc->sysctl_ctx, 461 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 462 "thermal", CTLTYPE_INT | CTLFLAG_RD, 463 sc, 0, acpi_ibm_thermal_sysctl, "I", 464 "Thermal zones"); 465 } 466 467 /* Hook up handlerevents node */ 468 if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_HANDLEREVENTS)) { 469 SYSCTL_ADD_PROC(sc->sysctl_ctx, 470 SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 471 "handlerevents", CTLTYPE_STRING | CTLFLAG_RW, 472 sc, 0, acpi_ibm_handlerevents_sysctl, "I", 473 "devd(8) events handled by acpi_ibm"); 474 } 475 476 /* Handle notifies */ 477 AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, 478 acpi_ibm_notify, dev); 479 480 /* Hook up light to led(4) */ 481 if (sc->light_set_supported) 482 sc->led_dev = led_create_state(ibm_led, sc, "thinklight", 483 (sc->light_val ? 1 : 0)); 484 485 /* Enable per-model events. */ 486 maker = kern_getenv("smbios.system.maker"); 487 product = kern_getenv("smbios.system.product"); 488 for (i = 0; i < nitems(acpi_ibm_models); i++) { 489 if (strcmp(maker, acpi_ibm_models[i].maker) == 0 && 490 strcmp(product, acpi_ibm_models[i].product) == 0) { 491 ACPI_SERIAL_BEGIN(ibm); 492 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, 493 acpi_ibm_models[i].eventmask); 494 ACPI_SERIAL_END(ibm); 495 } 496 } 497 freeenv(maker); 498 freeenv(product); 499 500 /* Enable events by default. */ 501 ACPI_SERIAL_BEGIN(ibm); 502 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 1); 503 ACPI_SERIAL_END(ibm); 504 505 506 return (0); 507 } 508 509 static int 510 acpi_ibm_detach(device_t dev) 511 { 512 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); 513 514 struct acpi_ibm_softc *sc = device_get_softc(dev); 515 516 /* Disable events and restore eventmask */ 517 ACPI_SERIAL_BEGIN(ibm); 518 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0); 519 acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask); 520 ACPI_SERIAL_END(ibm); 521 522 AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify); 523 524 if (sc->led_dev != NULL) 525 led_destroy(sc->led_dev); 526 527 return (0); 528 } 529 530 static int 531 acpi_ibm_resume(device_t dev) 532 { 533 struct acpi_ibm_softc *sc = device_get_softc(dev); 534 535 ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); 536 537 ACPI_SERIAL_BEGIN(ibm); 538 for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) { 539 int val; 540 541 val = acpi_ibm_sysctl_get(sc, i); 542 543 if (acpi_ibm_sysctls[i].flag_rdonly != 0) 544 continue; 545 546 acpi_ibm_sysctl_set(sc, i, val); 547 } 548 ACPI_SERIAL_END(ibm); 549 550 return (0); 551 } 552 553 static int 554 acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val) 555 { 556 ACPI_OBJECT arg[2]; 557 ACPI_OBJECT_LIST args; 558 ACPI_STATUS status; 559 560 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 561 ACPI_SERIAL_ASSERT(ibm); 562 563 args.Count = 2; 564 args.Pointer = arg; 565 arg[0].Type = ACPI_TYPE_INTEGER; 566 arg[1].Type = ACPI_TYPE_INTEGER; 567 568 for (int i = 0; i < 32; ++i) { 569 arg[0].Integer.Value = i+1; 570 arg[1].Integer.Value = (((1 << i) & val) != 0); 571 status = AcpiEvaluateObject(sc->handle, 572 IBM_NAME_EVENTS_MASK_SET, &args, NULL); 573 574 if (ACPI_FAILURE(status)) 575 return (status); 576 } 577 578 return (0); 579 } 580 581 static int 582 acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS) 583 { 584 struct acpi_ibm_softc *sc; 585 int arg; 586 int error = 0; 587 int function; 588 int method; 589 590 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 591 592 sc = (struct acpi_ibm_softc *)oidp->oid_arg1; 593 function = oidp->oid_arg2; 594 method = acpi_ibm_sysctls[function].method; 595 596 ACPI_SERIAL_BEGIN(ibm); 597 arg = acpi_ibm_sysctl_get(sc, method); 598 error = sysctl_handle_int(oidp, &arg, 0, req); 599 600 /* Sanity check */ 601 if (error != 0 || req->newptr == NULL) 602 goto out; 603 604 /* Update */ 605 error = acpi_ibm_sysctl_set(sc, method, arg); 606 607 out: 608 ACPI_SERIAL_END(ibm); 609 return (error); 610 } 611 612 static int 613 acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method) 614 { 615 UINT64 val_ec; 616 int val = 0, key; 617 618 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 619 ACPI_SERIAL_ASSERT(ibm); 620 621 switch (method) { 622 case ACPI_IBM_METHOD_EVENTS: 623 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_GET, &val); 624 break; 625 626 case ACPI_IBM_METHOD_EVENTMASK: 627 if (sc->events_mask_supported) 628 acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &val); 629 break; 630 631 case ACPI_IBM_METHOD_HOTKEY: 632 /* 633 * Construct the hotkey as a bitmask as illustrated below. 634 * Note that whenever a key was pressed, the respecting bit 635 * toggles and nothing else changes. 636 * +--+--+-+-+-+-+-+-+-+-+-+-+ 637 * |11|10|9|8|7|6|5|4|3|2|1|0| 638 * +--+--+-+-+-+-+-+-+-+-+-+-+ 639 * | | | | | | | | | | | | 640 * | | | | | | | | | | | +- Home Button 641 * | | | | | | | | | | +--- Search Button 642 * | | | | | | | | | +----- Mail Button 643 * | | | | | | | | +------- Thinkpad Button 644 * | | | | | | | +--------- Zoom (Fn + Space) 645 * | | | | | | +----------- WLAN Button 646 * | | | | | +------------- Video Button 647 * | | | | +--------------- Hibernate Button 648 * | | | +----------------- Thinklight Button 649 * | | +------------------- Screen expand (Fn + F8) 650 * | +--------------------- Brightness 651 * +------------------------ Volume/Mute 652 */ 653 key = rtcin(IBM_RTC_HOTKEY1); 654 val = (IBM_RTC_MASK_HOME | IBM_RTC_MASK_SEARCH | IBM_RTC_MASK_MAIL | IBM_RTC_MASK_WLAN) & key; 655 key = rtcin(IBM_RTC_HOTKEY2); 656 val |= (IBM_RTC_MASK_THINKPAD | IBM_RTC_MASK_VIDEO | IBM_RTC_MASK_HIBERNATE) & key; 657 val |= (IBM_RTC_MASK_ZOOM & key) >> 1; 658 key = rtcin(IBM_RTC_THINKLIGHT); 659 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4; 660 key = rtcin(IBM_RTC_SCREENEXPAND); 661 val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4; 662 key = rtcin(IBM_RTC_BRIGHTNESS); 663 val |= (IBM_RTC_MASK_BRIGHTNESS & key) << 5; 664 key = rtcin(IBM_RTC_VOLUME); 665 val |= (IBM_RTC_MASK_VOLUME & key) << 4; 666 break; 667 668 case ACPI_IBM_METHOD_BRIGHTNESS: 669 ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); 670 val = val_ec & IBM_EC_MASK_BRI; 671 break; 672 673 case ACPI_IBM_METHOD_VOLUME: 674 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 675 val = val_ec & IBM_EC_MASK_VOL; 676 break; 677 678 case ACPI_IBM_METHOD_MUTE: 679 ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 680 val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE); 681 break; 682 683 case ACPI_IBM_METHOD_THINKLIGHT: 684 if (sc->light_get_supported) 685 acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &val); 686 else 687 val = sc->light_val; 688 break; 689 690 case ACPI_IBM_METHOD_BLUETOOTH: 691 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val); 692 sc->wlan_bt_flags = val; 693 val = ((val & IBM_NAME_MASK_BT) != 0); 694 break; 695 696 case ACPI_IBM_METHOD_WLAN: 697 acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val); 698 sc->wlan_bt_flags = val; 699 val = ((val & IBM_NAME_MASK_WLAN) != 0); 700 break; 701 702 case ACPI_IBM_METHOD_FANSPEED: 703 if (sc->fan_handle) { 704 if(ACPI_FAILURE(acpi_GetInteger(sc->fan_handle, NULL, &val))) 705 val = -1; 706 } 707 else { 708 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &val_ec, 2); 709 val = val_ec; 710 } 711 break; 712 713 case ACPI_IBM_METHOD_FANLEVEL: 714 /* 715 * The IBM_EC_FANSTATUS register works as follows: 716 * Bit 0-5 indicate the level at which the fan operates. Only 717 * values between 0 and 7 have an effect. Everything 718 * above 7 is treated the same as level 7 719 * Bit 6 overrides the fan speed limit if set to 1 720 * Bit 7 indicates at which mode the fan operates: 721 * manual (0) or automatic (1) 722 */ 723 if (!sc->fan_handle) { 724 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 725 val = val_ec & IBM_EC_MASK_FANLEVEL; 726 } 727 break; 728 729 case ACPI_IBM_METHOD_FANSTATUS: 730 if (!sc->fan_handle) { 731 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 732 val = (val_ec & IBM_EC_MASK_FANSTATUS) == IBM_EC_MASK_FANSTATUS; 733 } 734 else 735 val = -1; 736 break; 737 } 738 739 return (val); 740 } 741 742 static int 743 acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int arg) 744 { 745 int val; 746 UINT64 val_ec; 747 ACPI_STATUS status; 748 749 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 750 ACPI_SERIAL_ASSERT(ibm); 751 752 switch (method) { 753 case ACPI_IBM_METHOD_EVENTS: 754 if (arg < 0 || arg > 1) 755 return (EINVAL); 756 757 status = acpi_SetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_SET, arg); 758 if (ACPI_FAILURE(status)) 759 return (status); 760 if (sc->events_mask_supported) 761 return acpi_ibm_eventmask_set(sc, sc->events_availmask); 762 break; 763 764 case ACPI_IBM_METHOD_EVENTMASK: 765 if (sc->events_mask_supported) 766 return acpi_ibm_eventmask_set(sc, arg); 767 break; 768 769 case ACPI_IBM_METHOD_BRIGHTNESS: 770 return acpi_ibm_brightness_set(sc, arg); 771 break; 772 773 case ACPI_IBM_METHOD_VOLUME: 774 return acpi_ibm_volume_set(sc, arg); 775 break; 776 777 case ACPI_IBM_METHOD_MUTE: 778 return acpi_ibm_mute_set(sc, arg); 779 break; 780 781 case ACPI_IBM_METHOD_THINKLIGHT: 782 return acpi_ibm_thinklight_set(sc, arg); 783 break; 784 785 case ACPI_IBM_METHOD_BLUETOOTH: 786 return acpi_ibm_bluetooth_set(sc, arg); 787 break; 788 789 case ACPI_IBM_METHOD_FANLEVEL: 790 if (arg < 0 || arg > 7) 791 return (EINVAL); 792 793 if (!sc->fan_handle) { 794 /* Read the current fanstatus */ 795 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 796 val = val_ec & (~IBM_EC_MASK_FANLEVEL); 797 798 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, val | arg, 1); 799 } 800 break; 801 802 case ACPI_IBM_METHOD_FANSTATUS: 803 if (arg < 0 || arg > 1) 804 return (EINVAL); 805 806 if (!sc->fan_handle) { 807 /* Read the current fanstatus */ 808 ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 809 810 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, 811 (arg == 1) ? (val_ec | IBM_EC_MASK_FANSTATUS) : (val_ec & (~IBM_EC_MASK_FANSTATUS)), 1); 812 } 813 break; 814 } 815 816 return (0); 817 } 818 819 static int 820 acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method) 821 { 822 int dummy; 823 ACPI_OBJECT_TYPE cmos_t; 824 ACPI_HANDLE ledb_handle; 825 826 switch (method) { 827 case ACPI_IBM_METHOD_EVENTS: 828 return (TRUE); 829 830 case ACPI_IBM_METHOD_EVENTMASK: 831 return (sc->events_mask_supported); 832 833 case ACPI_IBM_METHOD_HOTKEY: 834 case ACPI_IBM_METHOD_BRIGHTNESS: 835 case ACPI_IBM_METHOD_VOLUME: 836 case ACPI_IBM_METHOD_MUTE: 837 /* EC is required here, which was aready checked before */ 838 return (TRUE); 839 840 case ACPI_IBM_METHOD_THINKLIGHT: 841 sc->cmos_handle = NULL; 842 sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger( 843 sc->ec_handle, IBM_NAME_KEYLIGHT, &sc->light_val)); 844 845 if ((ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\UCMS", &sc->light_handle)) || 846 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMOS", &sc->light_handle)) || 847 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMS", &sc->light_handle))) && 848 ACPI_SUCCESS(AcpiGetType(sc->light_handle, &cmos_t)) && 849 cmos_t == ACPI_TYPE_METHOD) { 850 sc->light_cmd_on = 0x0c; 851 sc->light_cmd_off = 0x0d; 852 sc->cmos_handle = sc->light_handle; 853 } 854 else if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\LGHT", &sc->light_handle))) { 855 sc->light_cmd_on = 1; 856 sc->light_cmd_off = 0; 857 } 858 else 859 sc->light_handle = NULL; 860 861 sc->light_set_supported = (sc->light_handle && 862 ACPI_FAILURE(AcpiGetHandle(sc->ec_handle, "LEDB", &ledb_handle))); 863 864 if (sc->light_get_supported) 865 return (TRUE); 866 867 if (sc->light_set_supported) { 868 sc->light_val = 0; 869 return (TRUE); 870 } 871 872 return (FALSE); 873 874 case ACPI_IBM_METHOD_BLUETOOTH: 875 case ACPI_IBM_METHOD_WLAN: 876 if (ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &dummy))) 877 return (TRUE); 878 return (FALSE); 879 880 case ACPI_IBM_METHOD_FANSPEED: 881 /* 882 * Some models report the fan speed in levels from 0-7 883 * Newer models report it contiguously 884 */ 885 sc->fan_levels = 886 (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "GFAN", &sc->fan_handle)) || 887 ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\FSPD", &sc->fan_handle))); 888 return (TRUE); 889 890 case ACPI_IBM_METHOD_FANLEVEL: 891 case ACPI_IBM_METHOD_FANSTATUS: 892 /* 893 * Fan status is only supported on those models, 894 * which report fan RPM contiguously, not in levels 895 */ 896 if (sc->fan_levels) 897 return (FALSE); 898 return (TRUE); 899 900 case ACPI_IBM_METHOD_THERMAL: 901 if (ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_GET, &dummy))) { 902 sc->thermal_updt_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_UPDT, &dummy)); 903 return (TRUE); 904 } 905 return (FALSE); 906 907 case ACPI_IBM_METHOD_HANDLEREVENTS: 908 return (TRUE); 909 } 910 return (FALSE); 911 } 912 913 static int 914 acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS) 915 { 916 struct acpi_ibm_softc *sc; 917 int error = 0; 918 char temp_cmd[] = "TMP0"; 919 int temp[8]; 920 921 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 922 923 sc = (struct acpi_ibm_softc *)oidp->oid_arg1; 924 925 ACPI_SERIAL_BEGIN(ibm); 926 927 for (int i = 0; i < 8; ++i) { 928 temp_cmd[3] = '0' + i; 929 930 /* 931 * The TMPx methods seem to return +/- 128 or 0 932 * when the respecting sensor is not available 933 */ 934 if (ACPI_FAILURE(acpi_GetInteger(sc->ec_handle, temp_cmd, 935 &temp[i])) || ABS(temp[i]) == 128 || temp[i] == 0) 936 temp[i] = -1; 937 else if (sc->thermal_updt_supported) 938 /* Temperature is reported in tenth of Kelvin */ 939 temp[i] = (temp[i] - 2732 + 5) / 10; 940 } 941 942 error = sysctl_handle_opaque(oidp, &temp, 8*sizeof(int), req); 943 944 ACPI_SERIAL_END(ibm); 945 return (error); 946 } 947 948 static int 949 acpi_ibm_handlerevents_sysctl(SYSCTL_HANDLER_ARGS) 950 { 951 struct acpi_ibm_softc *sc; 952 int error = 0; 953 struct sbuf sb; 954 char *cp, *ep; 955 int l, val; 956 unsigned int handler_events; 957 char temp[128]; 958 959 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 960 961 sc = (struct acpi_ibm_softc *)oidp->oid_arg1; 962 963 if (sbuf_new(&sb, NULL, 128, SBUF_AUTOEXTEND) == NULL) 964 return (ENOMEM); 965 966 ACPI_SERIAL_BEGIN(ibm); 967 968 /* Get old values if this is a get request. */ 969 if (req->newptr == NULL) { 970 for (int i = 0; i < 8 * sizeof(sc->handler_events); i++) 971 if (sc->handler_events & (1 << i)) 972 sbuf_printf(&sb, "0x%02x ", i + 1); 973 if (sbuf_len(&sb) == 0) 974 sbuf_printf(&sb, "NONE"); 975 } 976 977 sbuf_trim(&sb); 978 sbuf_finish(&sb); 979 strlcpy(temp, sbuf_data(&sb), sizeof(temp)); 980 sbuf_delete(&sb); 981 982 error = sysctl_handle_string(oidp, temp, sizeof(temp), req); 983 984 /* Check for error or no change */ 985 if (error != 0 || req->newptr == NULL) 986 goto out; 987 988 /* If the user is setting a string, parse it. */ 989 handler_events = 0; 990 cp = temp; 991 while (*cp) { 992 if (isspace(*cp)) { 993 cp++; 994 continue; 995 } 996 997 ep = cp; 998 999 while (*ep && !isspace(*ep)) 1000 ep++; 1001 1002 l = ep - cp; 1003 if (l == 0) 1004 break; 1005 1006 if (strncmp(cp, "NONE", 4) == 0) { 1007 cp = ep; 1008 continue; 1009 } 1010 1011 if (l >= 3 && cp[0] == '0' && (cp[1] == 'X' || cp[1] == 'x')) 1012 val = strtoul(cp, &ep, 16); 1013 else 1014 val = strtoul(cp, &ep, 10); 1015 1016 if (val == 0 || ep == cp || val >= 8 * sizeof(handler_events)) { 1017 cp[l] = '\0'; 1018 device_printf(sc->dev, "invalid event code: %s\n", cp); 1019 error = EINVAL; 1020 goto out; 1021 } 1022 1023 handler_events |= 1 << (val - 1); 1024 1025 cp = ep; 1026 } 1027 1028 sc->handler_events = handler_events; 1029 out: 1030 ACPI_SERIAL_END(ibm); 1031 return (error); 1032 } 1033 1034 static int 1035 acpi_ibm_brightness_set(struct acpi_ibm_softc *sc, int arg) 1036 { 1037 int val, step; 1038 UINT64 val_ec; 1039 ACPI_OBJECT Arg; 1040 ACPI_OBJECT_LIST Args; 1041 ACPI_STATUS status; 1042 1043 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1044 ACPI_SERIAL_ASSERT(ibm); 1045 1046 if (arg < 0 || arg > 7) 1047 return (EINVAL); 1048 1049 /* Read the current brightness */ 1050 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); 1051 if (ACPI_FAILURE(status)) 1052 return (status); 1053 1054 if (sc->cmos_handle) { 1055 val = val_ec & IBM_EC_MASK_BRI; 1056 1057 Args.Count = 1; 1058 Args.Pointer = &Arg; 1059 Arg.Type = ACPI_TYPE_INTEGER; 1060 Arg.Integer.Value = (arg > val) ? IBM_CMOS_BRIGHTNESS_UP : 1061 IBM_CMOS_BRIGHTNESS_DOWN; 1062 1063 step = (arg > val) ? 1 : -1; 1064 for (int i = val; i != arg; i += step) { 1065 status = AcpiEvaluateObject(sc->cmos_handle, NULL, 1066 &Args, NULL); 1067 if (ACPI_FAILURE(status)) { 1068 /* Record the last value */ 1069 if (i != val) { 1070 ACPI_EC_WRITE(sc->ec_dev, 1071 IBM_EC_BRIGHTNESS, i - step, 1); 1072 } 1073 return (status); 1074 } 1075 } 1076 } 1077 1078 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, arg, 1); 1079 } 1080 1081 static int 1082 acpi_ibm_bluetooth_set(struct acpi_ibm_softc *sc, int arg) 1083 { 1084 int val; 1085 1086 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1087 ACPI_SERIAL_ASSERT(ibm); 1088 1089 if (arg < 0 || arg > 1) 1090 return (EINVAL); 1091 1092 val = (arg == 1) ? sc->wlan_bt_flags | IBM_NAME_MASK_BT : 1093 sc->wlan_bt_flags & (~IBM_NAME_MASK_BT); 1094 return acpi_SetInteger(sc->handle, IBM_NAME_WLAN_BT_SET, val); 1095 } 1096 1097 static int 1098 acpi_ibm_thinklight_set(struct acpi_ibm_softc *sc, int arg) 1099 { 1100 ACPI_OBJECT Arg; 1101 ACPI_OBJECT_LIST Args; 1102 ACPI_STATUS status; 1103 1104 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1105 ACPI_SERIAL_ASSERT(ibm); 1106 1107 if (arg < 0 || arg > 1) 1108 return (EINVAL); 1109 1110 if (sc->light_set_supported) { 1111 Args.Count = 1; 1112 Args.Pointer = &Arg; 1113 Arg.Type = ACPI_TYPE_INTEGER; 1114 Arg.Integer.Value = arg ? sc->light_cmd_on : sc->light_cmd_off; 1115 1116 status = AcpiEvaluateObject(sc->light_handle, NULL, 1117 &Args, NULL); 1118 if (ACPI_SUCCESS(status)) 1119 sc->light_val = arg; 1120 return (status); 1121 } 1122 1123 return (0); 1124 } 1125 1126 static int 1127 acpi_ibm_volume_set(struct acpi_ibm_softc *sc, int arg) 1128 { 1129 int val, step; 1130 UINT64 val_ec; 1131 ACPI_OBJECT Arg; 1132 ACPI_OBJECT_LIST Args; 1133 ACPI_STATUS status; 1134 1135 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1136 ACPI_SERIAL_ASSERT(ibm); 1137 1138 if (arg < 0 || arg > 14) 1139 return (EINVAL); 1140 1141 /* Read the current volume */ 1142 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 1143 if (ACPI_FAILURE(status)) 1144 return (status); 1145 1146 if (sc->cmos_handle) { 1147 val = val_ec & IBM_EC_MASK_VOL; 1148 1149 Args.Count = 1; 1150 Args.Pointer = &Arg; 1151 Arg.Type = ACPI_TYPE_INTEGER; 1152 Arg.Integer.Value = (arg > val) ? IBM_CMOS_VOLUME_UP : 1153 IBM_CMOS_VOLUME_DOWN; 1154 1155 step = (arg > val) ? 1 : -1; 1156 for (int i = val; i != arg; i += step) { 1157 status = AcpiEvaluateObject(sc->cmos_handle, NULL, 1158 &Args, NULL); 1159 if (ACPI_FAILURE(status)) { 1160 /* Record the last value */ 1161 if (i != val) { 1162 val_ec = i - step + 1163 (val_ec & (~IBM_EC_MASK_VOL)); 1164 ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, 1165 val_ec, 1); 1166 } 1167 return (status); 1168 } 1169 } 1170 } 1171 1172 val_ec = arg + (val_ec & (~IBM_EC_MASK_VOL)); 1173 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1); 1174 } 1175 1176 static int 1177 acpi_ibm_mute_set(struct acpi_ibm_softc *sc, int arg) 1178 { 1179 UINT64 val_ec; 1180 ACPI_OBJECT Arg; 1181 ACPI_OBJECT_LIST Args; 1182 ACPI_STATUS status; 1183 1184 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 1185 ACPI_SERIAL_ASSERT(ibm); 1186 1187 if (arg < 0 || arg > 1) 1188 return (EINVAL); 1189 1190 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 1191 if (ACPI_FAILURE(status)) 1192 return (status); 1193 1194 if (sc->cmos_handle) { 1195 Args.Count = 1; 1196 Args.Pointer = &Arg; 1197 Arg.Type = ACPI_TYPE_INTEGER; 1198 Arg.Integer.Value = IBM_CMOS_VOLUME_MUTE; 1199 1200 status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); 1201 if (ACPI_FAILURE(status)) 1202 return (status); 1203 } 1204 1205 val_ec = (arg == 1) ? val_ec | IBM_EC_MASK_MUTE : 1206 val_ec & (~IBM_EC_MASK_MUTE); 1207 return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, val_ec, 1); 1208 } 1209 1210 static void 1211 acpi_ibm_eventhandler(struct acpi_ibm_softc *sc, int arg) 1212 { 1213 int val; 1214 UINT64 val_ec; 1215 ACPI_STATUS status; 1216 1217 ACPI_SERIAL_BEGIN(ibm); 1218 switch (arg) { 1219 case IBM_EVENT_SUSPEND_TO_RAM: 1220 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND); 1221 break; 1222 1223 case IBM_EVENT_BLUETOOTH: 1224 acpi_ibm_bluetooth_set(sc, (sc->wlan_bt_flags == 0)); 1225 break; 1226 1227 case IBM_EVENT_BRIGHTNESS_UP: 1228 case IBM_EVENT_BRIGHTNESS_DOWN: 1229 /* Read the current brightness */ 1230 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, 1231 &val_ec, 1); 1232 if (ACPI_FAILURE(status)) 1233 return; 1234 1235 val = val_ec & IBM_EC_MASK_BRI; 1236 val = (arg == IBM_EVENT_BRIGHTNESS_UP) ? val + 1 : val - 1; 1237 acpi_ibm_brightness_set(sc, val); 1238 break; 1239 1240 case IBM_EVENT_THINKLIGHT: 1241 acpi_ibm_thinklight_set(sc, (sc->light_val == 0)); 1242 break; 1243 1244 case IBM_EVENT_VOLUME_UP: 1245 case IBM_EVENT_VOLUME_DOWN: 1246 /* Read the current volume */ 1247 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 1248 if (ACPI_FAILURE(status)) 1249 return; 1250 1251 val = val_ec & IBM_EC_MASK_VOL; 1252 val = (arg == IBM_EVENT_VOLUME_UP) ? val + 1 : val - 1; 1253 acpi_ibm_volume_set(sc, val); 1254 break; 1255 1256 case IBM_EVENT_MUTE: 1257 /* Read the current value */ 1258 status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 1259 if (ACPI_FAILURE(status)) 1260 return; 1261 1262 val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE); 1263 acpi_ibm_mute_set(sc, (val == 0)); 1264 break; 1265 1266 default: 1267 break; 1268 } 1269 ACPI_SERIAL_END(ibm); 1270 } 1271 1272 static void 1273 acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context) 1274 { 1275 int event, arg, type; 1276 device_t dev = context; 1277 struct acpi_ibm_softc *sc = device_get_softc(dev); 1278 1279 ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify); 1280 1281 if (notify != 0x80) 1282 device_printf(dev, "Unknown notify\n"); 1283 1284 for (;;) { 1285 acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_EVENTS_GET, &event); 1286 if (event == 0) 1287 break; 1288 1289 1290 type = (event >> 12) & 0xf; 1291 arg = event & 0xfff; 1292 switch (type) { 1293 case 1: 1294 if (!(sc->events_availmask & (1 << (arg - 1)))) { 1295 device_printf(dev, "Unknown key %d\n", arg); 1296 break; 1297 } 1298 1299 /* Execute event handler */ 1300 if (sc->handler_events & (1 << (arg - 1))) 1301 acpi_ibm_eventhandler(sc, (arg & 0xff)); 1302 1303 /* Notify devd(8) */ 1304 acpi_UserNotify("IBM", h, (arg & 0xff)); 1305 break; 1306 default: 1307 break; 1308 } 1309 } 1310 } 1311