acpi_ibm.c revision 154326
1138627Stakawata/*- 2138627Stakawata * Copyright (c) 2004 Takanori Watanabe 3147196Smarkus * Copyright (c) 2005 Markus Brueffer <markus@FreeBSD.org> 4138627Stakawata * All rights reserved. 5138627Stakawata * 6138627Stakawata * Redistribution and use in source and binary forms, with or without 7138627Stakawata * modification, are permitted provided that the following conditions 8138627Stakawata * are met: 9138627Stakawata * 1. Redistributions of source code must retain the above copyright 10138627Stakawata * notice, this list of conditions and the following disclaimer. 11138627Stakawata * 2. Redistributions in binary form must reproduce the above copyright 12138627Stakawata * notice, this list of conditions and the following disclaimer in the 13138627Stakawata * documentation and/or other materials provided with the distribution. 14138627Stakawata * 15138627Stakawata * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16138627Stakawata * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17138627Stakawata * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18138627Stakawata * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19138627Stakawata * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20138627Stakawata * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21138627Stakawata * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22138627Stakawata * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23138627Stakawata * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24138627Stakawata * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25138627Stakawata * SUCH DAMAGE. 26138627Stakawata */ 27138627Stakawata 28143002Sobrien#include <sys/cdefs.h> 29143002Sobrien__FBSDID("$FreeBSD: head/sys/dev/acpi_support/acpi_ibm.c 154326 2006-01-14 00:39:10Z markus $"); 30143002Sobrien 31147196Smarkus/* 32147196Smarkus * Driver for extra ACPI-controlled gadgets found on IBM ThinkPad laptops. 33147196Smarkus * Inspired by the ibm-acpi and tpb projects which implement these features 34147196Smarkus * on Linux. 35147196Smarkus * 36147196Smarkus * acpi-ibm: <http://ibm-acpi.sourceforge.net/> 37147196Smarkus * tpb: <http://www.nongnu.org/tpb/> 38147196Smarkus */ 39147196Smarkus 40138627Stakawata#include "opt_acpi.h" 41138627Stakawata#include <sys/param.h> 42138627Stakawata#include <sys/kernel.h> 43138627Stakawata#include <sys/bus.h> 44138627Stakawata#include <machine/cpufunc.h> 45150003Sobrien#include <contrib/dev/acpica/acpi.h> 46138627Stakawata#include "acpi_if.h" 47138627Stakawata#include <sys/module.h> 48138627Stakawata#include <dev/acpica/acpivar.h> 49147196Smarkus#include <dev/led/led.h> 50138627Stakawata#include <sys/sysctl.h> 51138627Stakawata#include <machine/clock.h> 52138627Stakawata 53138825Snjl#define _COMPONENT ACPI_OEM 54138774SscottlACPI_MODULE_NAME("IBM") 55138774Sscottl 56147196Smarkus/* Internal methods */ 57147196Smarkus#define ACPI_IBM_METHOD_EVENTS 1 58147196Smarkus#define ACPI_IBM_METHOD_EVENTMASK 2 59147196Smarkus#define ACPI_IBM_METHOD_HOTKEY 3 60147196Smarkus#define ACPI_IBM_METHOD_BRIGHTNESS 4 61147196Smarkus#define ACPI_IBM_METHOD_VOLUME 5 62147196Smarkus#define ACPI_IBM_METHOD_MUTE 6 63147196Smarkus#define ACPI_IBM_METHOD_THINKLIGHT 7 64147196Smarkus#define ACPI_IBM_METHOD_BLUETOOTH 8 65147196Smarkus#define ACPI_IBM_METHOD_WLAN 9 66147196Smarkus#define ACPI_IBM_METHOD_FANSPEED 10 67154326Smarkus#define ACPI_IBM_METHOD_FANLEVEL 11 68154326Smarkus#define ACPI_IBM_METHOD_FANSTATUS 12 69154326Smarkus#define ACPI_IBM_METHOD_THERMAL 13 70138627Stakawata 71147196Smarkus/* Hotkeys/Buttons */ 72147196Smarkus#define IBM_RTC_HOTKEY1 0x64 73147196Smarkus#define IBM_RTC_MASK_HOME (1 << 0) 74147196Smarkus#define IBM_RTC_MASK_SEARCH (1 << 1) 75147196Smarkus#define IBM_RTC_MASK_MAIL (1 << 2) 76147196Smarkus#define IBM_RTC_MASK_WLAN (1 << 5) 77147196Smarkus#define IBM_RTC_HOTKEY2 0x65 78147196Smarkus#define IBM_RTC_MASK_THINKPAD (1 << 3) 79147196Smarkus#define IBM_RTC_MASK_ZOOM (1 << 5) 80147196Smarkus#define IBM_RTC_MASK_VIDEO (1 << 6) 81147196Smarkus#define IBM_RTC_MASK_HIBERNATE (1 << 7) 82147196Smarkus#define IBM_RTC_THINKLIGHT 0x66 83147196Smarkus#define IBM_RTC_MASK_THINKLIGHT (1 << 4) 84147196Smarkus#define IBM_RTC_SCREENEXPAND 0x67 85147196Smarkus#define IBM_RTC_MASK_SCREENEXPAND (1 << 5) 86147196Smarkus#define IBM_RTC_BRIGHTNESS 0x6c 87147196Smarkus#define IBM_RTC_MASK_BRIGHTNESS (1 << 5) 88147196Smarkus#define IBM_RTC_VOLUME 0x6e 89147196Smarkus#define IBM_RTC_MASK_VOLUME (1 << 7) 90138627Stakawata 91147196Smarkus/* Embedded Controller registers */ 92147196Smarkus#define IBM_EC_BRIGHTNESS 0x31 93147196Smarkus#define IBM_EC_MASK_BRI 0x7 94147196Smarkus#define IBM_EC_VOLUME 0x30 95147196Smarkus#define IBM_EC_MASK_VOL 0xf 96147196Smarkus#define IBM_EC_MASK_MUTE (1 << 6) 97147196Smarkus#define IBM_EC_FANSTATUS 0x2F 98154326Smarkus#define IBM_EC_MASK_FANLEVEL 0x3f 99154326Smarkus#define IBM_EC_MASK_FANDISENGAGED (1 << 6) 100147196Smarkus#define IBM_EC_MASK_FANSTATUS (1 << 7) 101147196Smarkus#define IBM_EC_FANSPEED 0x84 102147196Smarkus 103147196Smarkus/* CMOS Commands */ 104147196Smarkus#define IBM_CMOS_VOLUME_DOWN 0 105147196Smarkus#define IBM_CMOS_VOLUME_UP 1 106147196Smarkus#define IBM_CMOS_VOLUME_MUTE 2 107147196Smarkus#define IBM_CMOS_BRIGHTNESS_UP 4 108147196Smarkus#define IBM_CMOS_BRIGHTNESS_DOWN 5 109147196Smarkus 110147196Smarkus/* ACPI methods */ 111147196Smarkus#define IBM_NAME_KEYLIGHT "KBLT" 112147196Smarkus#define IBM_NAME_WLAN_BT_GET "GBDC" 113147196Smarkus#define IBM_NAME_WLAN_BT_SET "SBDC" 114147196Smarkus#define IBM_NAME_MASK_BT (1 << 1) 115147196Smarkus#define IBM_NAME_MASK_WLAN (1 << 2) 116147196Smarkus#define IBM_NAME_THERMAL_GET "TMP7" 117147196Smarkus#define IBM_NAME_THERMAL_UPDT "UPDT" 118147196Smarkus 119147196Smarkus#define IBM_NAME_EVENTS_STATUS_GET "DHKC" 120147196Smarkus#define IBM_NAME_EVENTS_MASK_GET "DHKN" 121147196Smarkus#define IBM_NAME_EVENTS_STATUS_SET "MHKC" 122147196Smarkus#define IBM_NAME_EVENTS_MASK_SET "MHKM" 123147196Smarkus#define IBM_NAME_EVENTS_GET "MHKP" 124147196Smarkus#define IBM_NAME_EVENTS_AVAILMASK "MHKA" 125147196Smarkus 126147196Smarkus#define ABS(x) (((x) < 0)? -(x) : (x)) 127147196Smarkus 128138627Stakawatastruct acpi_ibm_softc { 129147196Smarkus device_t dev; 130147196Smarkus ACPI_HANDLE handle; 131147196Smarkus 132147196Smarkus /* Embedded controller */ 133147196Smarkus device_t ec_dev; 134147196Smarkus ACPI_HANDLE ec_handle; 135147196Smarkus 136147196Smarkus /* CMOS */ 137147196Smarkus ACPI_HANDLE cmos_handle; 138147196Smarkus 139147196Smarkus /* Fan status */ 140147196Smarkus ACPI_HANDLE fan_handle; 141147196Smarkus int fan_levels; 142147196Smarkus 143147196Smarkus /* Keylight commands and states */ 144147196Smarkus ACPI_HANDLE light_handle; 145147196Smarkus int light_cmd_on; 146147196Smarkus int light_cmd_off; 147147196Smarkus int light_val; 148147196Smarkus int light_get_supported; 149147196Smarkus int light_set_supported; 150148710Smarkus 151148710Smarkus /* led(4) interface */ 152147196Smarkus struct cdev *led_dev; 153148710Smarkus int led_busy; 154148710Smarkus int led_state; 155147196Smarkus 156147196Smarkus int wlan_bt_flags; 157147196Smarkus int thermal_updt_supported; 158147196Smarkus 159147196Smarkus unsigned int events_availmask; 160147196Smarkus unsigned int events_initialmask; 161147196Smarkus int events_mask_supported; 162147196Smarkus int events_enable; 163147196Smarkus 164147196Smarkus struct sysctl_ctx_list *sysctl_ctx; 165147196Smarkus struct sysctl_oid *sysctl_tree; 166138627Stakawata}; 167138627Stakawata 168147196Smarkusstatic struct { 169147196Smarkus char *name; 170147196Smarkus int method; 171147196Smarkus char *description; 172147196Smarkus int access; 173147196Smarkus} acpi_ibm_sysctls[] = { 174147196Smarkus { 175147196Smarkus .name = "events", 176147196Smarkus .method = ACPI_IBM_METHOD_EVENTS, 177147196Smarkus .description = "ACPI events enable", 178147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 179147196Smarkus }, 180147196Smarkus { 181147196Smarkus .name = "eventmask", 182147196Smarkus .method = ACPI_IBM_METHOD_EVENTMASK, 183147196Smarkus .description = "ACPI eventmask", 184147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 185147196Smarkus }, 186147196Smarkus { 187147196Smarkus .name = "hotkey", 188147196Smarkus .method = ACPI_IBM_METHOD_HOTKEY, 189147196Smarkus .description = "Key Status", 190147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RD 191147196Smarkus }, 192147196Smarkus { 193147196Smarkus .name = "lcd_brightness", 194147196Smarkus .method = ACPI_IBM_METHOD_BRIGHTNESS, 195147196Smarkus .description = "LCD Brightness", 196147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 197147196Smarkus }, 198147196Smarkus { 199147196Smarkus .name = "volume", 200147196Smarkus .method = ACPI_IBM_METHOD_VOLUME, 201147196Smarkus .description = "Volume", 202147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 203147196Smarkus }, 204147196Smarkus { 205147196Smarkus .name = "mute", 206147196Smarkus .method = ACPI_IBM_METHOD_MUTE, 207147196Smarkus .description = "Mute", 208147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 209147196Smarkus }, 210147196Smarkus { 211147196Smarkus .name = "thinklight", 212147196Smarkus .method = ACPI_IBM_METHOD_THINKLIGHT, 213147196Smarkus .description = "Thinklight enable", 214147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 215147196Smarkus }, 216147196Smarkus { 217147196Smarkus .name = "bluetooth", 218147196Smarkus .method = ACPI_IBM_METHOD_BLUETOOTH, 219147196Smarkus .description = "Bluetooth enable", 220147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 221147196Smarkus }, 222147196Smarkus { 223147196Smarkus .name = "wlan", 224147196Smarkus .method = ACPI_IBM_METHOD_WLAN, 225147196Smarkus .description = "WLAN enable", 226147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RD 227147196Smarkus }, 228147196Smarkus { 229147196Smarkus .name = "fan_speed", 230147196Smarkus .method = ACPI_IBM_METHOD_FANSPEED, 231147196Smarkus .description = "Fan speed", 232147196Smarkus .access = CTLTYPE_INT | CTLFLAG_RD 233147196Smarkus }, 234147196Smarkus { 235154326Smarkus .name = "fan_level", 236154326Smarkus .method = ACPI_IBM_METHOD_FANLEVEL, 237154326Smarkus .description = "Fan level", 238154326Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 239154326Smarkus }, 240154326Smarkus { 241147196Smarkus .name = "fan", 242147196Smarkus .method = ACPI_IBM_METHOD_FANSTATUS, 243147196Smarkus .description = "Fan enable", 244154326Smarkus .access = CTLTYPE_INT | CTLFLAG_RW 245147196Smarkus }, 246147196Smarkus 247147196Smarkus { NULL, 0, NULL, 0 } 248147196Smarkus}; 249147196Smarkus 250147196SmarkusACPI_SERIAL_DECL(ibm, "ACPI IBM extras"); 251147196Smarkus 252138627Stakawatastatic int acpi_ibm_probe(device_t dev); 253138627Stakawatastatic int acpi_ibm_attach(device_t dev); 254138627Stakawatastatic int acpi_ibm_detach(device_t dev); 255138627Stakawata 256148710Smarkusstatic void ibm_led(void *softc, int onoff); 257148710Smarkusstatic void ibm_led_task(struct acpi_ibm_softc *sc, int pending __unused); 258148710Smarkus 259147196Smarkusstatic int acpi_ibm_sysctl(SYSCTL_HANDLER_ARGS); 260147196Smarkusstatic int acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method); 261147196Smarkusstatic int acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method); 262147196Smarkusstatic int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val); 263147196Smarkus 264147196Smarkusstatic int acpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val); 265147196Smarkusstatic int acpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS); 266147196Smarkusstatic void acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context); 267147196Smarkus 268138627Stakawatastatic device_method_t acpi_ibm_methods[] = { 269138627Stakawata /* Device interface */ 270138627Stakawata DEVMETHOD(device_probe, acpi_ibm_probe), 271138627Stakawata DEVMETHOD(device_attach, acpi_ibm_attach), 272138627Stakawata DEVMETHOD(device_detach, acpi_ibm_detach), 273138627Stakawata 274138627Stakawata {0, 0} 275138627Stakawata}; 276138627Stakawata 277138627Stakawatastatic driver_t acpi_ibm_driver = { 278138627Stakawata "acpi_ibm", 279138627Stakawata acpi_ibm_methods, 280138627Stakawata sizeof(struct acpi_ibm_softc), 281138627Stakawata}; 282138627Stakawata 283138627Stakawatastatic devclass_t acpi_ibm_devclass; 284138627Stakawata 285138627StakawataDRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass, 286138627Stakawata 0, 0); 287138627StakawataMODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1); 288147468Scracauerstatic char *ibm_ids[] = {"IBM0057", "IBM0068", NULL}; 289138627Stakawata 290147196Smarkusstatic void 291147196Smarkusibm_led(void *softc, int onoff) 292147196Smarkus{ 293148710Smarkus struct acpi_ibm_softc* sc = (struct acpi_ibm_softc*) softc; 294148710Smarkus 295148710Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 296148710Smarkus 297148710Smarkus if (sc->led_busy) 298148710Smarkus return; 299148710Smarkus 300148710Smarkus sc->led_busy = 1; 301148710Smarkus sc->led_state = onoff; 302148710Smarkus 303148710Smarkus AcpiOsQueueForExecution(OSD_PRIORITY_LO, 304148710Smarkus (void *)ibm_led_task, sc); 305148710Smarkus} 306148710Smarkus 307148710Smarkusstatic void 308148710Smarkusibm_led_task(struct acpi_ibm_softc *sc, int pending __unused) 309148710Smarkus{ 310148710Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 311148710Smarkus 312147196Smarkus ACPI_SERIAL_BEGIN(ibm); 313148710Smarkus acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state); 314147196Smarkus ACPI_SERIAL_END(ibm); 315148710Smarkus 316148710Smarkus sc->led_busy = 0; 317147196Smarkus} 318147196Smarkus 319138627Stakawatastatic int 320138627Stakawataacpi_ibm_probe(device_t dev) 321138627Stakawata{ 322147196Smarkus if (acpi_disabled("ibm") || 323147196Smarkus ACPI_ID_PROBE(device_get_parent(dev), dev, ibm_ids) == NULL || 324147196Smarkus device_get_unit(dev) != 0) 325147196Smarkus return (ENXIO); 326138627Stakawata 327147196Smarkus device_set_desc(dev, "IBM ThinkPad ACPI Extras"); 328138627Stakawata 329147196Smarkus return (0); 330138627Stakawata} 331138627Stakawata 332138627Stakawatastatic int 333147196Smarkusacpi_ibm_attach(device_t dev) 334138627Stakawata{ 335147196Smarkus struct acpi_ibm_softc *sc; 336147196Smarkus struct acpi_softc *acpi_sc; 337147196Smarkus devclass_t ec_devclass; 338138627Stakawata 339138627Stakawata ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); 340138627Stakawata 341138627Stakawata sc = device_get_softc(dev); 342147196Smarkus sc->dev = dev; 343147196Smarkus sc->handle = acpi_get_handle(dev); 344147196Smarkus 345147196Smarkus acpi_sc = acpi_device_get_parent_softc(dev); 346147196Smarkus 347147196Smarkus /* Look for the first embedded controller */ 348147196Smarkus if (!(ec_devclass = devclass_find ("acpi_ec"))) { 349147196Smarkus if (bootverbose) 350147196Smarkus device_printf(dev, "Couldn't find acpi_ec devclass\n"); 351147196Smarkus return (EINVAL); 352138627Stakawata } 353147196Smarkus if (!(sc->ec_dev = devclass_get_device(ec_devclass, 0))) { 354147196Smarkus if (bootverbose) 355147196Smarkus device_printf(dev, "Couldn't find acpi_ec device\n"); 356147196Smarkus return (EINVAL); 357147196Smarkus } 358147196Smarkus sc->ec_handle = acpi_get_handle(sc->ec_dev); 359138627Stakawata 360147196Smarkus ACPI_SERIAL_BEGIN(ibm); 361138627Stakawata 362147196Smarkus /* Get the sysctl tree */ 363147196Smarkus sc->sysctl_ctx = device_get_sysctl_ctx(dev); 364147196Smarkus sc->sysctl_tree = device_get_sysctl_tree(dev); 365138627Stakawata 366147196Smarkus /* Look for event mask and hook up the nodes */ 367147196Smarkus sc->events_mask_supported = ACPI_SUCCESS(acpi_GetInteger(sc->handle, 368147196Smarkus IBM_NAME_EVENTS_MASK_GET, &sc->events_initialmask)); 369138627Stakawata 370147196Smarkus if (sc->events_mask_supported) { 371147196Smarkus SYSCTL_ADD_INT(sc->sysctl_ctx, 372147196Smarkus SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 373147196Smarkus "initialmask", CTLFLAG_RD, 374147196Smarkus &sc->events_initialmask, 0, "Initial eventmask"); 375138627Stakawata 376147196Smarkus /* The availmask is the bitmask of supported events */ 377147196Smarkus if (ACPI_FAILURE(acpi_GetInteger(sc->handle, 378147196Smarkus IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask))) 379147196Smarkus sc->events_availmask = 0xffffffff; 380138627Stakawata 381147196Smarkus SYSCTL_ADD_INT(sc->sysctl_ctx, 382147196Smarkus SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 383147196Smarkus "availmask", CTLFLAG_RD, 384147196Smarkus &sc->events_availmask, 0, "Mask of supported events"); 385147196Smarkus } 386138627Stakawata 387147196Smarkus /* Hook up proc nodes */ 388147196Smarkus for (int i = 0; acpi_ibm_sysctls[i].name != NULL; i++) { 389147196Smarkus if (!acpi_ibm_sysctl_init(sc, acpi_ibm_sysctls[i].method)) 390147196Smarkus continue; 391147196Smarkus 392147196Smarkus SYSCTL_ADD_PROC(sc->sysctl_ctx, 393147196Smarkus SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 394147196Smarkus acpi_ibm_sysctls[i].name, acpi_ibm_sysctls[i].access, 395147196Smarkus sc, i, acpi_ibm_sysctl, "I", 396147196Smarkus acpi_ibm_sysctls[i].description); 397138627Stakawata } 398147196Smarkus 399147196Smarkus /* Hook up thermal node */ 400147196Smarkus if (acpi_ibm_sysctl_init(sc, ACPI_IBM_METHOD_THERMAL)) { 401147196Smarkus SYSCTL_ADD_PROC(sc->sysctl_ctx, 402147196Smarkus SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, 403147196Smarkus "thermal", CTLTYPE_STRING | CTLFLAG_RD, 404147196Smarkus sc, 0, acpi_ibm_thermal_sysctl, "I", 405147196Smarkus "Thermal zones"); 406147196Smarkus } 407147196Smarkus 408147196Smarkus ACPI_SERIAL_END(ibm); 409147196Smarkus 410147196Smarkus /* Handle notifies */ 411147196Smarkus AcpiInstallNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, 412147196Smarkus acpi_ibm_notify, dev); 413147196Smarkus 414147196Smarkus /* Hook up light to led(4) */ 415147246Smarkus if (sc->light_set_supported) 416147246Smarkus sc->led_dev = led_create(ibm_led, sc, "thinklight"); 417147196Smarkus 418147196Smarkus return (0); 419138627Stakawata} 420138627Stakawata 421138627Stakawatastatic int 422138627Stakawataacpi_ibm_detach(device_t dev) 423138627Stakawata{ 424138774Sscottl ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__); 425138774Sscottl 426138627Stakawata struct acpi_ibm_softc *sc = device_get_softc(dev); 427138627Stakawata 428147196Smarkus /* Disable events and restore eventmask */ 429147196Smarkus ACPI_SERIAL_BEGIN(ibm); 430147196Smarkus acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0); 431147196Smarkus acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask); 432147196Smarkus ACPI_SERIAL_END(ibm); 433147196Smarkus 434147196Smarkus AcpiRemoveNotifyHandler(sc->handle, ACPI_DEVICE_NOTIFY, acpi_ibm_notify); 435147196Smarkus 436147246Smarkus if (sc->led_dev != NULL) 437147246Smarkus led_destroy(sc->led_dev); 438147246Smarkus 439147196Smarkus return (0); 440138627Stakawata} 441147196Smarkus 442138627Stakawatastatic int 443147196Smarkusacpi_ibm_eventmask_set(struct acpi_ibm_softc *sc, int val) 444138627Stakawata{ 445147196Smarkus ACPI_OBJECT arg[2]; 446147196Smarkus ACPI_OBJECT_LIST args; 447147196Smarkus ACPI_STATUS status; 448147196Smarkus 449147196Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 450147196Smarkus ACPI_SERIAL_ASSERT(ibm); 451147196Smarkus 452147196Smarkus args.Count = 2; 453147196Smarkus args.Pointer = arg; 454147196Smarkus arg[0].Type = ACPI_TYPE_INTEGER; 455147196Smarkus arg[1].Type = ACPI_TYPE_INTEGER; 456147196Smarkus 457147196Smarkus for (int i = 0; i < 32; ++i) { 458147196Smarkus arg[0].Integer.Value = i+1; 459147196Smarkus arg[1].Integer.Value = (((1 << i) & val) != 0); 460147196Smarkus status = AcpiEvaluateObject(sc->handle, 461147196Smarkus IBM_NAME_EVENTS_MASK_SET, &args, NULL); 462147196Smarkus 463147196Smarkus if (ACPI_FAILURE(status)) 464147196Smarkus return (status); 465147196Smarkus } 466147196Smarkus 467147196Smarkus return (0); 468138627Stakawata} 469138627Stakawata 470138627Stakawatastatic int 471147196Smarkusacpi_ibm_sysctl(SYSCTL_HANDLER_ARGS) 472138627Stakawata{ 473147196Smarkus struct acpi_ibm_softc *sc; 474147196Smarkus int arg; 475147196Smarkus int error = 0; 476147196Smarkus int function; 477147196Smarkus int method; 478147196Smarkus 479147196Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 480147196Smarkus 481147196Smarkus sc = (struct acpi_ibm_softc *)oidp->oid_arg1; 482147196Smarkus function = oidp->oid_arg2; 483147196Smarkus method = acpi_ibm_sysctls[function].method; 484147196Smarkus 485147196Smarkus ACPI_SERIAL_BEGIN(ibm); 486147196Smarkus arg = acpi_ibm_sysctl_get(sc, method); 487147196Smarkus error = sysctl_handle_int(oidp, &arg, 0, req); 488147196Smarkus 489147196Smarkus /* Sanity check */ 490147196Smarkus if (error != 0 || req->newptr == NULL) 491147196Smarkus goto out; 492147196Smarkus 493147196Smarkus /* Update */ 494147196Smarkus error = acpi_ibm_sysctl_set(sc, method, arg); 495147196Smarkus 496147196Smarkusout: 497147196Smarkus ACPI_SERIAL_END(ibm); 498147196Smarkus return (error); 499138627Stakawata} 500147196Smarkus 501147196Smarkusstatic int 502147196Smarkusacpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method) 503138627Stakawata{ 504147196Smarkus ACPI_INTEGER val_ec; 505147196Smarkus int val = 0, key; 506138627Stakawata 507147196Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 508147196Smarkus ACPI_SERIAL_ASSERT(ibm); 509138627Stakawata 510147196Smarkus switch (method) { 511147196Smarkus case ACPI_IBM_METHOD_EVENTS: 512147196Smarkus acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_GET, &val); 513147196Smarkus break; 514138627Stakawata 515147196Smarkus case ACPI_IBM_METHOD_EVENTMASK: 516147196Smarkus if (sc->events_mask_supported) 517147196Smarkus acpi_GetInteger(sc->handle, IBM_NAME_EVENTS_MASK_GET, &val); 518147196Smarkus break; 519147196Smarkus 520147196Smarkus case ACPI_IBM_METHOD_HOTKEY: 521147196Smarkus /* 522147196Smarkus * Construct the hotkey as a bitmask as illustrated below. 523147196Smarkus * Note that whenever a key was pressed, the respecting bit 524147196Smarkus * toggles and nothing else changes. 525147196Smarkus * +--+--+-+-+-+-+-+-+-+-+-+-+ 526147196Smarkus * |11|10|9|8|7|6|5|4|3|2|1|0| 527147196Smarkus * +--+--+-+-+-+-+-+-+-+-+-+-+ 528147196Smarkus * | | | | | | | | | | | | 529147196Smarkus * | | | | | | | | | | | +- Home Button 530147196Smarkus * | | | | | | | | | | +--- Search Button 531147196Smarkus * | | | | | | | | | +----- Mail Button 532147196Smarkus * | | | | | | | | +------- Thinkpad Button 533147196Smarkus * | | | | | | | +--------- Zoom (Fn + Space) 534147196Smarkus * | | | | | | +----------- WLAN Button 535147196Smarkus * | | | | | +------------- Video Button 536147196Smarkus * | | | | +--------------- Hibernate Button 537147196Smarkus * | | | +----------------- Thinklight Button 538147196Smarkus * | | +------------------- Screen expand (Fn + F8) 539147196Smarkus * | +--------------------- Brightness 540147196Smarkus * +------------------------ Volume/Mute 541147196Smarkus */ 542147196Smarkus key = rtcin(IBM_RTC_HOTKEY1); 543147196Smarkus val = (IBM_RTC_MASK_HOME | IBM_RTC_MASK_SEARCH | IBM_RTC_MASK_MAIL | IBM_RTC_MASK_WLAN) & key; 544147196Smarkus key = rtcin(IBM_RTC_HOTKEY2); 545147196Smarkus val |= (IBM_RTC_MASK_THINKPAD | IBM_RTC_MASK_VIDEO | IBM_RTC_MASK_HIBERNATE) & key; 546147196Smarkus val |= (IBM_RTC_MASK_ZOOM & key) >> 1; 547147196Smarkus key = rtcin(IBM_RTC_THINKLIGHT); 548147196Smarkus val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4; 549147196Smarkus key = rtcin(IBM_RTC_SCREENEXPAND); 550147196Smarkus val |= (IBM_RTC_MASK_THINKLIGHT & key) << 4; 551147196Smarkus key = rtcin(IBM_RTC_BRIGHTNESS); 552147196Smarkus val |= (IBM_RTC_MASK_BRIGHTNESS & key) << 5; 553147196Smarkus key = rtcin(IBM_RTC_VOLUME); 554147196Smarkus val |= (IBM_RTC_MASK_VOLUME & key) << 4; 555147196Smarkus break; 556147196Smarkus 557147196Smarkus case ACPI_IBM_METHOD_BRIGHTNESS: 558147196Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); 559147196Smarkus val = val_ec & IBM_EC_MASK_BRI; 560147196Smarkus break; 561147196Smarkus 562147196Smarkus case ACPI_IBM_METHOD_VOLUME: 563147196Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 564147246Smarkus val = val_ec & IBM_EC_MASK_VOL; 565147196Smarkus break; 566147196Smarkus 567147196Smarkus case ACPI_IBM_METHOD_MUTE: 568147196Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 569147196Smarkus val = ((val_ec & IBM_EC_MASK_MUTE) == IBM_EC_MASK_MUTE); 570147196Smarkus break; 571147196Smarkus 572147196Smarkus case ACPI_IBM_METHOD_THINKLIGHT: 573147196Smarkus if (sc->light_get_supported) 574147196Smarkus acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &val); 575147196Smarkus else 576147196Smarkus val = sc->light_val; 577147196Smarkus break; 578147196Smarkus 579147196Smarkus case ACPI_IBM_METHOD_BLUETOOTH: 580147196Smarkus acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val); 581147196Smarkus sc->wlan_bt_flags = val; 582147196Smarkus val = ((val & IBM_NAME_MASK_BT) != 0); 583147196Smarkus break; 584147196Smarkus 585147196Smarkus case ACPI_IBM_METHOD_WLAN: 586147196Smarkus acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &val); 587147196Smarkus sc->wlan_bt_flags = val; 588147196Smarkus val = ((val & IBM_NAME_MASK_WLAN) != 0); 589147196Smarkus break; 590147196Smarkus 591147196Smarkus case ACPI_IBM_METHOD_FANSPEED: 592147196Smarkus if (sc->fan_handle) { 593147196Smarkus if(ACPI_FAILURE(acpi_GetInteger(sc->fan_handle, NULL, &val))) 594147196Smarkus val = -1; 595138627Stakawata } 596147196Smarkus else { 597147196Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSPEED, &val_ec, 2); 598147196Smarkus val = val_ec; 599147196Smarkus } 600147196Smarkus break; 601138627Stakawata 602154326Smarkus case ACPI_IBM_METHOD_FANLEVEL: 603154326Smarkus /* 604154326Smarkus * The IBM_EC_FANSTATUS register works as follows: 605154326Smarkus * Bit 0-5 indicate the level at which the fan operates. Only 606154326Smarkus * values between 0 and 7 have an effect. Everything 607154326Smarkus * above 7 is treated the same as level 7 608154326Smarkus * Bit 6 overrides the fan speed limit if set to 1 609154326Smarkus * Bit 7 indicates at which mode the fan operates: 610154326Smarkus * manual (0) or automatic (1) 611154326Smarkus */ 612154326Smarkus if (!sc->fan_handle) { 613154326Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 614154326Smarkus val = val_ec & IBM_EC_MASK_FANLEVEL; 615154326Smarkus } 616154326Smarkus break; 617154326Smarkus 618147196Smarkus case ACPI_IBM_METHOD_FANSTATUS: 619147196Smarkus if (!sc->fan_handle) { 620147196Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 621147196Smarkus val = (val_ec & IBM_EC_MASK_FANSTATUS) == IBM_EC_MASK_FANSTATUS; 622138627Stakawata } 623147196Smarkus else 624147196Smarkus val = -1; 625147196Smarkus break; 626138627Stakawata } 627147196Smarkus 628147196Smarkus return (val); 629138627Stakawata} 630138627Stakawata 631138627Stakawatastatic int 632147196Smarkusacpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int arg) 633138627Stakawata{ 634147196Smarkus int val, step; 635147196Smarkus ACPI_INTEGER val_ec; 636147196Smarkus ACPI_OBJECT Arg; 637147196Smarkus ACPI_OBJECT_LIST Args; 638147196Smarkus ACPI_STATUS status; 639138627Stakawata 640147196Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 641147196Smarkus ACPI_SERIAL_ASSERT(ibm); 642138627Stakawata 643147196Smarkus switch (method) { 644147196Smarkus case ACPI_IBM_METHOD_EVENTS: 645147196Smarkus if (arg < 0 || arg > 1) 646147196Smarkus return (EINVAL); 647138627Stakawata 648147196Smarkus status = acpi_SetInteger(sc->handle, IBM_NAME_EVENTS_STATUS_SET, arg); 649147196Smarkus if (ACPI_FAILURE(status)) 650147196Smarkus return (status); 651147196Smarkus if (sc->events_mask_supported) 652147196Smarkus return acpi_ibm_eventmask_set(sc, sc->events_availmask); 653147196Smarkus break; 654138627Stakawata 655147196Smarkus case ACPI_IBM_METHOD_EVENTMASK: 656147196Smarkus if (sc->events_mask_supported) 657147196Smarkus return acpi_ibm_eventmask_set(sc, arg); 658147196Smarkus break; 659138627Stakawata 660147196Smarkus case ACPI_IBM_METHOD_BRIGHTNESS: 661147196Smarkus if (arg < 0 || arg > 7) 662147196Smarkus return (EINVAL); 663138627Stakawata 664147196Smarkus if (sc->cmos_handle) { 665147196Smarkus /* Read the current brightness */ 666147196Smarkus status = ACPI_EC_READ(sc->ec_dev, IBM_EC_BRIGHTNESS, &val_ec, 1); 667147196Smarkus if (ACPI_FAILURE(status)) 668147196Smarkus return (status); 669147196Smarkus val = val_ec & IBM_EC_MASK_BRI; 670138627Stakawata 671147196Smarkus Args.Count = 1; 672147196Smarkus Args.Pointer = &Arg; 673147196Smarkus Arg.Type = ACPI_TYPE_INTEGER; 674147196Smarkus Arg.Integer.Value = (arg > val) ? IBM_CMOS_BRIGHTNESS_UP : IBM_CMOS_BRIGHTNESS_DOWN; 675138627Stakawata 676147196Smarkus step = (arg > val) ? 1 : -1; 677147196Smarkus for (int i = val; i != arg; i += step) { 678147196Smarkus status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); 679147196Smarkus if (ACPI_FAILURE(status)) 680147196Smarkus break; 681147196Smarkus } 682147196Smarkus } 683147196Smarkus return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_BRIGHTNESS, arg, 1); 684147196Smarkus break; 685138627Stakawata 686147196Smarkus case ACPI_IBM_METHOD_VOLUME: 687147196Smarkus if (arg < 0 || arg > 14) 688147196Smarkus return (EINVAL); 689138627Stakawata 690147246Smarkus status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 691147246Smarkus if (ACPI_FAILURE(status)) 692147246Smarkus return (status); 693147246Smarkus 694147196Smarkus if (sc->cmos_handle) { 695147196Smarkus val = val_ec & IBM_EC_MASK_VOL; 696138627Stakawata 697147196Smarkus Args.Count = 1; 698147196Smarkus Args.Pointer = &Arg; 699147196Smarkus Arg.Type = ACPI_TYPE_INTEGER; 700147196Smarkus Arg.Integer.Value = (arg > val) ? IBM_CMOS_VOLUME_UP : IBM_CMOS_VOLUME_DOWN; 701138627Stakawata 702147196Smarkus step = (arg > val) ? 1 : -1; 703147196Smarkus for (int i = val; i != arg; i += step) { 704147196Smarkus status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); 705147196Smarkus if (ACPI_FAILURE(status)) 706147196Smarkus break; 707147196Smarkus } 708147196Smarkus } 709147196Smarkus return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, arg + (val_ec & (~IBM_EC_MASK_VOL)), 1); 710147196Smarkus break; 711138627Stakawata 712147196Smarkus case ACPI_IBM_METHOD_MUTE: 713147196Smarkus if (arg < 0 || arg > 1) 714147196Smarkus return (EINVAL); 715138627Stakawata 716147246Smarkus status = ACPI_EC_READ(sc->ec_dev, IBM_EC_VOLUME, &val_ec, 1); 717147246Smarkus if (ACPI_FAILURE(status)) 718147246Smarkus return (status); 719147246Smarkus 720147196Smarkus if (sc->cmos_handle) { 721147196Smarkus val = val_ec & IBM_EC_MASK_VOL; 722147196Smarkus 723147196Smarkus Args.Count = 1; 724147196Smarkus Args.Pointer = &Arg; 725147196Smarkus Arg.Type = ACPI_TYPE_INTEGER; 726147196Smarkus Arg.Integer.Value = IBM_CMOS_VOLUME_MUTE; 727147196Smarkus 728147196Smarkus status = AcpiEvaluateObject(sc->cmos_handle, NULL, &Args, NULL); 729147196Smarkus if (ACPI_FAILURE(status)) 730147196Smarkus break; 731147196Smarkus } 732147196Smarkus return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_VOLUME, (arg==1) ? val_ec | IBM_EC_MASK_MUTE : val_ec & (~IBM_EC_MASK_MUTE), 1); 733147196Smarkus break; 734147196Smarkus 735147196Smarkus case ACPI_IBM_METHOD_THINKLIGHT: 736147196Smarkus if (arg < 0 || arg > 1) 737147196Smarkus return (EINVAL); 738147196Smarkus 739147196Smarkus if (sc->light_set_supported) { 740147196Smarkus Args.Count = 1; 741147196Smarkus Args.Pointer = &Arg; 742147196Smarkus Arg.Type = ACPI_TYPE_INTEGER; 743147196Smarkus Arg.Integer.Value = arg ? sc->light_cmd_on : sc->light_cmd_off; 744147196Smarkus 745147196Smarkus status = AcpiEvaluateObject(sc->light_handle, NULL, &Args, NULL); 746147196Smarkus if (ACPI_SUCCESS(status)) 747147196Smarkus sc->light_val = arg; 748147196Smarkus return (status); 749147196Smarkus } 750147196Smarkus break; 751147196Smarkus 752147196Smarkus case ACPI_IBM_METHOD_BLUETOOTH: 753147196Smarkus if (arg < 0 || arg > 1) 754147196Smarkus return (EINVAL); 755147196Smarkus 756147196Smarkus val = (arg == 1) ? sc->wlan_bt_flags | IBM_NAME_MASK_BT : sc->wlan_bt_flags & (~IBM_NAME_MASK_BT); 757147196Smarkus return acpi_SetInteger(sc->handle, IBM_NAME_WLAN_BT_SET, val); 758147196Smarkus break; 759154326Smarkus 760154326Smarkus case ACPI_IBM_METHOD_FANLEVEL: 761154326Smarkus if (arg < 0 || arg > 7) 762154326Smarkus return (EINVAL); 763154326Smarkus 764154326Smarkus if (!sc->fan_handle) { 765154326Smarkus /* Read the current fanstatus */ 766154326Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 767154326Smarkus val = val_ec & (~IBM_EC_MASK_FANLEVEL); 768154326Smarkus 769154326Smarkus return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, val | arg, 1); 770154326Smarkus } 771154326Smarkus break; 772154326Smarkus 773154326Smarkus case ACPI_IBM_METHOD_FANSTATUS: 774154326Smarkus if (arg < 0 || arg > 1) 775154326Smarkus return (EINVAL); 776154326Smarkus 777154326Smarkus if (!sc->fan_handle) { 778154326Smarkus /* Read the current fanstatus */ 779154326Smarkus ACPI_EC_READ(sc->ec_dev, IBM_EC_FANSTATUS, &val_ec, 1); 780154326Smarkus 781154326Smarkus return ACPI_EC_WRITE(sc->ec_dev, IBM_EC_FANSTATUS, 782154326Smarkus (arg == 1) ? (val_ec | IBM_EC_MASK_FANSTATUS) : (val_ec & (~IBM_EC_MASK_FANSTATUS)), 1); 783154326Smarkus } 784154326Smarkus break; 785147196Smarkus } 786147196Smarkus 787147196Smarkus return (0); 788138627Stakawata} 789138627Stakawata 790147196Smarkusstatic int 791147196Smarkusacpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int method) 792138627Stakawata{ 793147196Smarkus int dummy; 794147196Smarkus ACPI_OBJECT_TYPE cmos_t; 795147196Smarkus ACPI_HANDLE ledb_handle; 796138627Stakawata 797147196Smarkus switch (method) { 798147196Smarkus case ACPI_IBM_METHOD_EVENTS: 799147196Smarkus /* Events are disabled by default */ 800147196Smarkus return (TRUE); 801138627Stakawata 802147196Smarkus case ACPI_IBM_METHOD_EVENTMASK: 803147196Smarkus return (sc->events_mask_supported); 804147196Smarkus 805147196Smarkus case ACPI_IBM_METHOD_HOTKEY: 806147196Smarkus case ACPI_IBM_METHOD_BRIGHTNESS: 807147196Smarkus case ACPI_IBM_METHOD_VOLUME: 808147196Smarkus case ACPI_IBM_METHOD_MUTE: 809147196Smarkus /* EC is required here, which was aready checked before */ 810147196Smarkus return (TRUE); 811147196Smarkus 812147196Smarkus case ACPI_IBM_METHOD_THINKLIGHT: 813147196Smarkus sc->cmos_handle = NULL; 814147196Smarkus sc->light_get_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_KEYLIGHT, &dummy)); 815147196Smarkus 816147196Smarkus if ((ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\UCMS", &sc->light_handle)) || 817147196Smarkus ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMOS", &sc->light_handle)) || 818147196Smarkus ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\CMS", &sc->light_handle))) && 819147196Smarkus ACPI_SUCCESS(AcpiGetType(sc->light_handle, &cmos_t)) && 820147196Smarkus cmos_t == ACPI_TYPE_METHOD) { 821147196Smarkus sc->light_cmd_on = 0x0c; 822147196Smarkus sc->light_cmd_off = 0x0d; 823147196Smarkus sc->cmos_handle = sc->light_handle; 824147196Smarkus } 825147196Smarkus else if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\LGHT", &sc->light_handle))) { 826147196Smarkus sc->light_cmd_on = 1; 827147196Smarkus sc->light_cmd_off = 0; 828147196Smarkus } 829147196Smarkus else 830147196Smarkus sc->light_handle = NULL; 831147196Smarkus 832147196Smarkus sc->light_set_supported = (sc->light_handle && 833147196Smarkus ACPI_FAILURE(AcpiGetHandle(sc->ec_handle, "LEDB", &ledb_handle))); 834147196Smarkus 835147196Smarkus if (sc->light_get_supported || sc->light_set_supported) { 836147196Smarkus sc->light_val = 0; 837147196Smarkus return (TRUE); 838147196Smarkus } 839147196Smarkus else 840147196Smarkus return (FALSE); 841147196Smarkus 842147196Smarkus case ACPI_IBM_METHOD_BLUETOOTH: 843147196Smarkus case ACPI_IBM_METHOD_WLAN: 844147196Smarkus if (ACPI_SUCCESS(acpi_GetInteger(sc->handle, IBM_NAME_WLAN_BT_GET, &dummy))) 845147196Smarkus return (TRUE); 846147196Smarkus return (FALSE); 847147196Smarkus 848147196Smarkus case ACPI_IBM_METHOD_FANSPEED: 849147196Smarkus /* 850147196Smarkus * Some models report the fan speed in levels from 0-7 851147196Smarkus * Newer models report it contiguously 852147196Smarkus */ 853147196Smarkus sc->fan_levels = 854147196Smarkus (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "GFAN", &sc->fan_handle)) || 855147196Smarkus ACPI_SUCCESS(AcpiGetHandle(sc->handle, "\\FSPD", &sc->fan_handle))); 856147196Smarkus return (TRUE); 857147196Smarkus 858154326Smarkus case ACPI_IBM_METHOD_FANLEVEL: 859147196Smarkus case ACPI_IBM_METHOD_FANSTATUS: 860147196Smarkus /* 861147196Smarkus * Fan status is only supported on those models, 862147196Smarkus * which report fan RPM contiguously, not in levels 863147196Smarkus */ 864147196Smarkus if (sc->fan_levels) 865147196Smarkus return (FALSE); 866147196Smarkus return (TRUE); 867147196Smarkus 868147196Smarkus case ACPI_IBM_METHOD_THERMAL: 869147196Smarkus if (ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_GET, &dummy))) { 870147196Smarkus sc->thermal_updt_supported = ACPI_SUCCESS(acpi_GetInteger(sc->ec_handle, IBM_NAME_THERMAL_UPDT, &dummy)); 871147196Smarkus return (TRUE); 872147196Smarkus } 873147196Smarkus return (FALSE); 874147196Smarkus } 875147196Smarkus return (FALSE); 876138627Stakawata} 877138627Stakawata 878138627Stakawatastatic int 879147196Smarkusacpi_ibm_thermal_sysctl(SYSCTL_HANDLER_ARGS) 880138627Stakawata{ 881147196Smarkus struct acpi_ibm_softc *sc; 882147196Smarkus int error = 0; 883147196Smarkus char temp_cmd[] = "TMP0"; 884147196Smarkus int temp[8]; 885138627Stakawata 886147196Smarkus ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); 887138627Stakawata 888147196Smarkus sc = (struct acpi_ibm_softc *)oidp->oid_arg1; 889138627Stakawata 890147196Smarkus ACPI_SERIAL_BEGIN(ibm); 891138627Stakawata 892147196Smarkus for (int i = 0; i < 8; ++i) { 893147196Smarkus temp_cmd[3] = '0' + i; 894147196Smarkus 895147196Smarkus /* 896147196Smarkus * The TMPx methods seem to return +/- 128 or 0 897147196Smarkus * when the respecting sensor is not available 898147196Smarkus */ 899147196Smarkus if (ACPI_FAILURE(acpi_GetInteger(sc->ec_handle, temp_cmd, 900147196Smarkus &temp[i])) || ABS(temp[i]) == 128 || temp[i] == 0) 901147196Smarkus temp[i] = -1; 902147196Smarkus else if (sc->thermal_updt_supported) 903147196Smarkus /* Temperature is reported in tenth of Kelvin */ 904147196Smarkus temp[i] = (temp[i] - 2732 + 5) / 10; 905147196Smarkus } 906147196Smarkus 907147196Smarkus error = sysctl_handle_opaque(oidp, &temp, 8*sizeof(int), req); 908147196Smarkus 909147196Smarkus ACPI_SERIAL_END(ibm); 910147196Smarkus return (error); 911138627Stakawata} 912138627Stakawata 913147196Smarkusstatic void 914147196Smarkusacpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context) 915138627Stakawata{ 916147196Smarkus int event, arg, type; 917147196Smarkus device_t dev = context; 918138627Stakawata struct acpi_ibm_softc *sc = device_get_softc(dev); 919138627Stakawata 920147196Smarkus ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify); 921138627Stakawata 922147196Smarkus printf("IBM:NOTIFY:%x\n", notify); 923147196Smarkus if (notify != 0x80) 924147196Smarkus printf("Unknown notify\n"); 925138627Stakawata 926147196Smarkus for (;;) { 927147196Smarkus acpi_GetInteger(acpi_get_handle(dev), IBM_NAME_EVENTS_GET, &event); 928138627Stakawata 929147196Smarkus if (event == 0) 930147196Smarkus break; 931147196Smarkus 932147196Smarkus printf("notify:%x\n", event); 933147196Smarkus 934147196Smarkus type = (event >> 12) & 0xf; 935147196Smarkus arg = event & 0xfff; 936147196Smarkus switch (type) { 937147196Smarkus case 1: 938147196Smarkus if (!(sc->events_availmask & (1 << (arg - 1)))) { 939147196Smarkus printf("Unknown key %d\n", arg); 940147196Smarkus break; 941147196Smarkus } 942147196Smarkus 943147196Smarkus /* Notify devd(8) */ 944147196Smarkus acpi_UserNotify("IBM", h, (arg & 0xff)); 945147196Smarkus break; 946147196Smarkus default: 947147196Smarkus break; 948147196Smarkus } 949147196Smarkus } 950138627Stakawata} 951