acpi_apm.c revision 136367
17836SJohn.Forte@Sun.COM/*- 27836SJohn.Forte@Sun.COM * Copyright (c) 2001 Mitsuru IWASAKI 37836SJohn.Forte@Sun.COM * All rights reserved. 47836SJohn.Forte@Sun.COM * 57836SJohn.Forte@Sun.COM * Redistribution and use in source and binary forms, with or without 67836SJohn.Forte@Sun.COM * modification, are permitted provided that the following conditions 77836SJohn.Forte@Sun.COM * are met: 87836SJohn.Forte@Sun.COM * 1. Redistributions of source code must retain the above copyright 97836SJohn.Forte@Sun.COM * notice, this list of conditions and the following disclaimer. 107836SJohn.Forte@Sun.COM * 2. Redistributions in binary form must reproduce the above copyright 117836SJohn.Forte@Sun.COM * notice, this list of conditions and the following disclaimer in the 127836SJohn.Forte@Sun.COM * documentation and/or other materials provided with the distribution. 137836SJohn.Forte@Sun.COM * 147836SJohn.Forte@Sun.COM * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 157836SJohn.Forte@Sun.COM * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 167836SJohn.Forte@Sun.COM * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 177836SJohn.Forte@Sun.COM * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 187836SJohn.Forte@Sun.COM * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 197836SJohn.Forte@Sun.COM * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 207836SJohn.Forte@Sun.COM * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 217836SJohn.Forte@Sun.COM * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 227836SJohn.Forte@Sun.COM * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 237836SJohn.Forte@Sun.COM * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 247836SJohn.Forte@Sun.COM * SUCH DAMAGE. 257836SJohn.Forte@Sun.COM */ 267836SJohn.Forte@Sun.COM 277836SJohn.Forte@Sun.COM#include <sys/cdefs.h> 287836SJohn.Forte@Sun.COM__FBSDID("$FreeBSD: head/sys/i386/acpica/acpi_machdep.c 136367 2004-10-11 05:42:12Z njl $"); 297836SJohn.Forte@Sun.COM 307836SJohn.Forte@Sun.COM#include <sys/param.h> 317836SJohn.Forte@Sun.COM#include <sys/bus.h> 327836SJohn.Forte@Sun.COM#include <sys/conf.h> 337836SJohn.Forte@Sun.COM#include <sys/fcntl.h> 347836SJohn.Forte@Sun.COM#include <sys/kernel.h> 357836SJohn.Forte@Sun.COM#include <sys/sysctl.h> 367836SJohn.Forte@Sun.COM#include <sys/uio.h> 377836SJohn.Forte@Sun.COM#include <vm/vm.h> 387836SJohn.Forte@Sun.COM#include <vm/pmap.h> 397836SJohn.Forte@Sun.COM 407836SJohn.Forte@Sun.COM#include "acpi.h" 417836SJohn.Forte@Sun.COM#include <dev/acpica/acpivar.h> 427836SJohn.Forte@Sun.COM#include <dev/acpica/acpiio.h> 437836SJohn.Forte@Sun.COM 447836SJohn.Forte@Sun.COM/* 457836SJohn.Forte@Sun.COM * APM driver emulation 467836SJohn.Forte@Sun.COM */ 477836SJohn.Forte@Sun.COM 487836SJohn.Forte@Sun.COM#include <sys/selinfo.h> 497836SJohn.Forte@Sun.COM 507836SJohn.Forte@Sun.COM#include <machine/apm_bios.h> 517836SJohn.Forte@Sun.COM#include <machine/pc/bios.h> 527836SJohn.Forte@Sun.COM 537836SJohn.Forte@Sun.COM#include <i386/bios/apm.h> 547836SJohn.Forte@Sun.COM 557836SJohn.Forte@Sun.COMuint32_t acpi_reset_video = 1; 567836SJohn.Forte@Sun.COMTUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video); 577836SJohn.Forte@Sun.COM 587836SJohn.Forte@Sun.COMstatic int intr_model = ACPI_INTR_PIC; 597836SJohn.Forte@Sun.COMstatic int apm_active; 607836SJohn.Forte@Sun.COM 617836SJohn.Forte@Sun.COMstatic d_open_t apmopen; 627836SJohn.Forte@Sun.COMstatic d_close_t apmclose; 637836SJohn.Forte@Sun.COMstatic d_write_t apmwrite; 647836SJohn.Forte@Sun.COMstatic d_ioctl_t apmioctl; 657836SJohn.Forte@Sun.COMstatic d_poll_t apmpoll; 667836SJohn.Forte@Sun.COM 677836SJohn.Forte@Sun.COMstatic struct cdevsw apm_cdevsw = { 687836SJohn.Forte@Sun.COM .d_version = D_VERSION, 697836SJohn.Forte@Sun.COM .d_flags = D_NEEDGIANT, 707836SJohn.Forte@Sun.COM .d_open = apmopen, 717836SJohn.Forte@Sun.COM .d_close = apmclose, 727836SJohn.Forte@Sun.COM .d_write = apmwrite, 737836SJohn.Forte@Sun.COM .d_ioctl = apmioctl, 747836SJohn.Forte@Sun.COM .d_poll = apmpoll, 757836SJohn.Forte@Sun.COM .d_name = "apm", 767836SJohn.Forte@Sun.COM}; 777836SJohn.Forte@Sun.COM 787836SJohn.Forte@Sun.COMstatic int 797836SJohn.Forte@Sun.COMacpi_capm_convert_battstate(struct acpi_battinfo *battp) 807836SJohn.Forte@Sun.COM{ 817836SJohn.Forte@Sun.COM int state; 827836SJohn.Forte@Sun.COM 837836SJohn.Forte@Sun.COM state = APM_UNKNOWN; 847836SJohn.Forte@Sun.COM 857836SJohn.Forte@Sun.COM if (battp->state & ACPI_BATT_STAT_DISCHARG) { 867836SJohn.Forte@Sun.COM if (battp->cap >= 50) 877836SJohn.Forte@Sun.COM state = 0; /* high */ 887836SJohn.Forte@Sun.COM else 897836SJohn.Forte@Sun.COM state = 1; /* low */ 907836SJohn.Forte@Sun.COM } 917836SJohn.Forte@Sun.COM if (battp->state & ACPI_BATT_STAT_CRITICAL) 927836SJohn.Forte@Sun.COM state = 2; /* critical */ 937836SJohn.Forte@Sun.COM if (battp->state & ACPI_BATT_STAT_CHARGING) 947836SJohn.Forte@Sun.COM state = 3; /* charging */ 957836SJohn.Forte@Sun.COM 967836SJohn.Forte@Sun.COM /* If still unknown, determine it based on the battery capacity. */ 977836SJohn.Forte@Sun.COM if (state == APM_UNKNOWN) { 987836SJohn.Forte@Sun.COM if (battp->cap >= 50) 997836SJohn.Forte@Sun.COM state = 0; /* high */ 1007836SJohn.Forte@Sun.COM else 1017836SJohn.Forte@Sun.COM state = 1; /* low */ 1027836SJohn.Forte@Sun.COM } 1037836SJohn.Forte@Sun.COM 1047836SJohn.Forte@Sun.COM return (state); 1057836SJohn.Forte@Sun.COM} 1067836SJohn.Forte@Sun.COM 1077836SJohn.Forte@Sun.COMstatic int 1087836SJohn.Forte@Sun.COMacpi_capm_convert_battflags(struct acpi_battinfo *battp) 1097836SJohn.Forte@Sun.COM{ 1107836SJohn.Forte@Sun.COM int flags; 1117836SJohn.Forte@Sun.COM 1127836SJohn.Forte@Sun.COM flags = 0; 1137836SJohn.Forte@Sun.COM 1147836SJohn.Forte@Sun.COM if (battp->cap >= 50) 1157836SJohn.Forte@Sun.COM flags |= APM_BATT_HIGH; 1167836SJohn.Forte@Sun.COM else { 1177836SJohn.Forte@Sun.COM if (battp->state & ACPI_BATT_STAT_CRITICAL) 1187836SJohn.Forte@Sun.COM flags |= APM_BATT_CRITICAL; 1197836SJohn.Forte@Sun.COM else 1207836SJohn.Forte@Sun.COM flags |= APM_BATT_LOW; 1217836SJohn.Forte@Sun.COM } 1227836SJohn.Forte@Sun.COM if (battp->state & ACPI_BATT_STAT_CHARGING) 1237836SJohn.Forte@Sun.COM flags |= APM_BATT_CHARGING; 1247836SJohn.Forte@Sun.COM if (battp->state == ACPI_BATT_STAT_NOT_PRESENT) 1257836SJohn.Forte@Sun.COM flags = APM_BATT_NOT_PRESENT; 1267836SJohn.Forte@Sun.COM 1277836SJohn.Forte@Sun.COM return (flags); 1287836SJohn.Forte@Sun.COM} 1297836SJohn.Forte@Sun.COM 1307836SJohn.Forte@Sun.COMstatic int 1317836SJohn.Forte@Sun.COMacpi_capm_get_info(apm_info_t aip) 1327836SJohn.Forte@Sun.COM{ 1337836SJohn.Forte@Sun.COM int acline; 1347836SJohn.Forte@Sun.COM struct acpi_battinfo batt; 1357836SJohn.Forte@Sun.COM 1367836SJohn.Forte@Sun.COM aip->ai_infoversion = 1; 1377836SJohn.Forte@Sun.COM aip->ai_major = 1; 1387836SJohn.Forte@Sun.COM aip->ai_minor = 2; 1397836SJohn.Forte@Sun.COM aip->ai_status = apm_active; 1407836SJohn.Forte@Sun.COM aip->ai_capabilities= 0xff00; /* unknown */ 1417836SJohn.Forte@Sun.COM 1427836SJohn.Forte@Sun.COM if (acpi_acad_get_acline(&acline)) 1437836SJohn.Forte@Sun.COM aip->ai_acline = APM_UNKNOWN; /* unknown */ 1447836SJohn.Forte@Sun.COM else 1457836SJohn.Forte@Sun.COM aip->ai_acline = acline; /* on/off */ 1467836SJohn.Forte@Sun.COM 1477836SJohn.Forte@Sun.COM if (acpi_battery_get_battinfo(-1, &batt)) { 1487836SJohn.Forte@Sun.COM aip->ai_batt_stat = APM_UNKNOWN; 1497836SJohn.Forte@Sun.COM aip->ai_batt_life = APM_UNKNOWN; 1507836SJohn.Forte@Sun.COM aip->ai_batt_time = -1; /* unknown */ 1517836SJohn.Forte@Sun.COM aip->ai_batteries = ~0U; /* unknown */ 1527836SJohn.Forte@Sun.COM } else { 1537836SJohn.Forte@Sun.COM aip->ai_batt_stat = acpi_capm_convert_battstate(&batt); 1547836SJohn.Forte@Sun.COM aip->ai_batt_life = batt.cap; 1557836SJohn.Forte@Sun.COM aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60; 1567836SJohn.Forte@Sun.COM aip->ai_batteries = acpi_battery_get_units(); 1577836SJohn.Forte@Sun.COM } 1587836SJohn.Forte@Sun.COM 1597836SJohn.Forte@Sun.COM return (0); 1607836SJohn.Forte@Sun.COM} 1617836SJohn.Forte@Sun.COM 1627836SJohn.Forte@Sun.COMstatic int 1637836SJohn.Forte@Sun.COMacpi_capm_get_pwstatus(apm_pwstatus_t app) 1647836SJohn.Forte@Sun.COM{ 1657836SJohn.Forte@Sun.COM int batt_unit; 1667836SJohn.Forte@Sun.COM int acline; 1677836SJohn.Forte@Sun.COM struct acpi_battinfo batt; 1687836SJohn.Forte@Sun.COM 1697836SJohn.Forte@Sun.COM if (app->ap_device != PMDV_ALLDEV && 1707836SJohn.Forte@Sun.COM (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL)) 1717836SJohn.Forte@Sun.COM return (1); 1727836SJohn.Forte@Sun.COM 1737836SJohn.Forte@Sun.COM if (app->ap_device == PMDV_ALLDEV) 1747836SJohn.Forte@Sun.COM batt_unit = -1; /* all units */ 1757836SJohn.Forte@Sun.COM else 1767836SJohn.Forte@Sun.COM batt_unit = app->ap_device - PMDV_BATT0; 1777836SJohn.Forte@Sun.COM 1787836SJohn.Forte@Sun.COM if (acpi_battery_get_battinfo(batt_unit, &batt)) 1797836SJohn.Forte@Sun.COM return (1); 1807836SJohn.Forte@Sun.COM 1817836SJohn.Forte@Sun.COM app->ap_batt_stat = acpi_capm_convert_battstate(&batt); 1827836SJohn.Forte@Sun.COM app->ap_batt_flag = acpi_capm_convert_battflags(&batt); 1837836SJohn.Forte@Sun.COM app->ap_batt_life = batt.cap; 1847836SJohn.Forte@Sun.COM app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60; 1857836SJohn.Forte@Sun.COM 1867836SJohn.Forte@Sun.COM if (acpi_acad_get_acline(&acline)) 1877836SJohn.Forte@Sun.COM app->ap_acline = APM_UNKNOWN; 1887836SJohn.Forte@Sun.COM else 1897836SJohn.Forte@Sun.COM app->ap_acline = acline; /* on/off */ 1907836SJohn.Forte@Sun.COM 1917836SJohn.Forte@Sun.COM return (0); 1927836SJohn.Forte@Sun.COM} 1937836SJohn.Forte@Sun.COM 1947836SJohn.Forte@Sun.COMstatic int 1957836SJohn.Forte@Sun.COMapmopen(struct cdev *dev, int flag, int fmt, d_thread_t *td) 1967836SJohn.Forte@Sun.COM{ 1977836SJohn.Forte@Sun.COM return (0); 1987836SJohn.Forte@Sun.COM} 1997836SJohn.Forte@Sun.COM 2007836SJohn.Forte@Sun.COMstatic int 2017836SJohn.Forte@Sun.COMapmclose(struct cdev *dev, int flag, int fmt, d_thread_t *td) 2027836SJohn.Forte@Sun.COM{ 2037836SJohn.Forte@Sun.COM return (0); 2047836SJohn.Forte@Sun.COM} 2057836SJohn.Forte@Sun.COM 2067836SJohn.Forte@Sun.COMstatic int 2077836SJohn.Forte@Sun.COMapmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td) 2087836SJohn.Forte@Sun.COM{ 2097836SJohn.Forte@Sun.COM int error = 0; 2107836SJohn.Forte@Sun.COM struct acpi_softc *acpi_sc; 2117836SJohn.Forte@Sun.COM struct apm_info info; 2127836SJohn.Forte@Sun.COM apm_info_old_t aiop; 2137836SJohn.Forte@Sun.COM 2147836SJohn.Forte@Sun.COM acpi_sc = devclass_get_softc(devclass_find("acpi"), 0); 2157836SJohn.Forte@Sun.COM 2167836SJohn.Forte@Sun.COM switch (cmd) { 2177836SJohn.Forte@Sun.COM case APMIO_SUSPEND: 2187836SJohn.Forte@Sun.COM if ((flag & FWRITE) == 0) 2197836SJohn.Forte@Sun.COM return (EPERM); 2207836SJohn.Forte@Sun.COM if (apm_active) 2217836SJohn.Forte@Sun.COM acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx); 2227836SJohn.Forte@Sun.COM else 2237836SJohn.Forte@Sun.COM error = EINVAL; 2247836SJohn.Forte@Sun.COM break; 2257836SJohn.Forte@Sun.COM case APMIO_STANDBY: 2267836SJohn.Forte@Sun.COM if ((flag & FWRITE) == 0) 2277836SJohn.Forte@Sun.COM return (EPERM); 2287836SJohn.Forte@Sun.COM if (apm_active) 2297836SJohn.Forte@Sun.COM acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx); 2307836SJohn.Forte@Sun.COM else 2317836SJohn.Forte@Sun.COM error = EINVAL; 2327836SJohn.Forte@Sun.COM break; 2337836SJohn.Forte@Sun.COM case APMIO_GETINFO_OLD: 2347836SJohn.Forte@Sun.COM if (acpi_capm_get_info(&info)) 2357836SJohn.Forte@Sun.COM error = ENXIO; 2367836SJohn.Forte@Sun.COM aiop = (apm_info_old_t)addr; 2377836SJohn.Forte@Sun.COM aiop->ai_major = info.ai_major; 2387836SJohn.Forte@Sun.COM aiop->ai_minor = info.ai_minor; 2397836SJohn.Forte@Sun.COM aiop->ai_acline = info.ai_acline; 2407836SJohn.Forte@Sun.COM aiop->ai_batt_stat = info.ai_batt_stat; 2417836SJohn.Forte@Sun.COM aiop->ai_batt_life = info.ai_batt_life; 2427836SJohn.Forte@Sun.COM aiop->ai_status = info.ai_status; 2437836SJohn.Forte@Sun.COM break; 2447836SJohn.Forte@Sun.COM case APMIO_GETINFO: 2457836SJohn.Forte@Sun.COM if (acpi_capm_get_info((apm_info_t)addr)) 2467836SJohn.Forte@Sun.COM error = ENXIO; 2477836SJohn.Forte@Sun.COM break; 2487836SJohn.Forte@Sun.COM case APMIO_GETPWSTATUS: 2497836SJohn.Forte@Sun.COM if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr)) 2507836SJohn.Forte@Sun.COM error = ENXIO; 2517836SJohn.Forte@Sun.COM break; 2527836SJohn.Forte@Sun.COM case APMIO_ENABLE: 2537836SJohn.Forte@Sun.COM if ((flag & FWRITE) == 0) 2547836SJohn.Forte@Sun.COM return (EPERM); 2557836SJohn.Forte@Sun.COM apm_active = 1; 2567836SJohn.Forte@Sun.COM break; 2577836SJohn.Forte@Sun.COM case APMIO_DISABLE: 2587836SJohn.Forte@Sun.COM if ((flag & FWRITE) == 0) 2597836SJohn.Forte@Sun.COM return (EPERM); 2607836SJohn.Forte@Sun.COM apm_active = 0; 2617836SJohn.Forte@Sun.COM break; 2627836SJohn.Forte@Sun.COM case APMIO_HALTCPU: 2637836SJohn.Forte@Sun.COM break; 2647836SJohn.Forte@Sun.COM case APMIO_NOTHALTCPU: 2657836SJohn.Forte@Sun.COM break; 2667836SJohn.Forte@Sun.COM case APMIO_DISPLAY: 2677836SJohn.Forte@Sun.COM if ((flag & FWRITE) == 0) 2687836SJohn.Forte@Sun.COM return (EPERM); 2697836SJohn.Forte@Sun.COM break; 2707836SJohn.Forte@Sun.COM case APMIO_BIOS: 2717836SJohn.Forte@Sun.COM if ((flag & FWRITE) == 0) 2727836SJohn.Forte@Sun.COM return (EPERM); 2737836SJohn.Forte@Sun.COM bzero(addr, sizeof(struct apm_bios_arg)); 2747836SJohn.Forte@Sun.COM break; 2757836SJohn.Forte@Sun.COM default: 2767836SJohn.Forte@Sun.COM error = EINVAL; 2777836SJohn.Forte@Sun.COM break; 2787836SJohn.Forte@Sun.COM } 2797836SJohn.Forte@Sun.COM 2807836SJohn.Forte@Sun.COM return (error); 2817836SJohn.Forte@Sun.COM} 2827836SJohn.Forte@Sun.COM 2837836SJohn.Forte@Sun.COMstatic int 2847836SJohn.Forte@Sun.COMapmwrite(struct cdev *dev, struct uio *uio, int ioflag) 2857836SJohn.Forte@Sun.COM{ 2867836SJohn.Forte@Sun.COM return (uio->uio_resid); 2877836SJohn.Forte@Sun.COM} 2887836SJohn.Forte@Sun.COM 2897836SJohn.Forte@Sun.COMstatic int 2907836SJohn.Forte@Sun.COMapmpoll(struct cdev *dev, int events, d_thread_t *td) 2917836SJohn.Forte@Sun.COM{ 2927836SJohn.Forte@Sun.COM return (0); 2937836SJohn.Forte@Sun.COM} 2947836SJohn.Forte@Sun.COM 2957836SJohn.Forte@Sun.COMstatic void 2967836SJohn.Forte@Sun.COMacpi_capm_init(struct acpi_softc *sc) 2977836SJohn.Forte@Sun.COM{ 2987836SJohn.Forte@Sun.COM make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm"); 2997836SJohn.Forte@Sun.COM} 3007836SJohn.Forte@Sun.COM 3017836SJohn.Forte@Sun.COMint 3027836SJohn.Forte@Sun.COMacpi_machdep_init(device_t dev) 3037836SJohn.Forte@Sun.COM{ 3047836SJohn.Forte@Sun.COM struct acpi_softc *sc; 3057836SJohn.Forte@Sun.COM 3067836SJohn.Forte@Sun.COM sc = devclass_get_softc(devclass_find("acpi"), 0); 3077836SJohn.Forte@Sun.COM acpi_capm_init(sc); 3087836SJohn.Forte@Sun.COM 3097836SJohn.Forte@Sun.COM acpi_install_wakeup_handler(sc); 3107836SJohn.Forte@Sun.COM 3117836SJohn.Forte@Sun.COM if (intr_model == ACPI_INTR_PIC) 3127836SJohn.Forte@Sun.COM BUS_CONFIG_INTR(dev, AcpiGbl_FADT->SciInt, INTR_TRIGGER_LEVEL, 3137836SJohn.Forte@Sun.COM INTR_POLARITY_LOW); 3147836SJohn.Forte@Sun.COM else 3157836SJohn.Forte@Sun.COM acpi_SetIntrModel(intr_model); 3167836SJohn.Forte@Sun.COM 3177836SJohn.Forte@Sun.COM SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx, 3187836SJohn.Forte@Sun.COM SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO, 3197836SJohn.Forte@Sun.COM "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0, 3207836SJohn.Forte@Sun.COM "Call the VESA reset BIOS vector on the resume path"); 3217836SJohn.Forte@Sun.COM 3227836SJohn.Forte@Sun.COM return (0); 3237836SJohn.Forte@Sun.COM} 3247836SJohn.Forte@Sun.COM 3257836SJohn.Forte@Sun.COMvoid 3267836SJohn.Forte@Sun.COMacpi_SetDefaultIntrModel(int model) 3277836SJohn.Forte@Sun.COM{ 3287836SJohn.Forte@Sun.COM 3297836SJohn.Forte@Sun.COM intr_model = model; 3307836SJohn.Forte@Sun.COM} 3317836SJohn.Forte@Sun.COM 3327836SJohn.Forte@Sun.COM/* Check BIOS date. If 1998 or older, disable ACPI. */ 3337836SJohn.Forte@Sun.COMint 3347836SJohn.Forte@Sun.COMacpi_machdep_quirks(int *quirks) 3357836SJohn.Forte@Sun.COM{ 3367836SJohn.Forte@Sun.COM char *va; 3377836SJohn.Forte@Sun.COM int year; 3387836SJohn.Forte@Sun.COM 3397836SJohn.Forte@Sun.COM /* BIOS address 0xffff5 contains the date in the format mm/dd/yy. */ 3407836SJohn.Forte@Sun.COM va = pmap_mapdev(0xffff0, 16); 3417836SJohn.Forte@Sun.COM sscanf(va + 11, "%2d", &year); 3427836SJohn.Forte@Sun.COM pmap_unmapdev((vm_offset_t)va, 16); 3437836SJohn.Forte@Sun.COM 3447836SJohn.Forte@Sun.COM /* 3457836SJohn.Forte@Sun.COM * Date must be >= 1/1/1999 or we don't trust ACPI. Note that this 3467836SJohn.Forte@Sun.COM * check must be changed by my 114th birthday. 3477836SJohn.Forte@Sun.COM */ 3487836SJohn.Forte@Sun.COM if (year > 90 && year < 99) 3497836SJohn.Forte@Sun.COM *quirks = ACPI_Q_BROKEN; 3507836SJohn.Forte@Sun.COM 3517836SJohn.Forte@Sun.COM return (0); 3527836SJohn.Forte@Sun.COM} 3537836SJohn.Forte@Sun.COM 3547836SJohn.Forte@Sun.COMvoid 3557836SJohn.Forte@Sun.COMacpi_cpu_c1() 3567836SJohn.Forte@Sun.COM{ 3577836SJohn.Forte@Sun.COM __asm __volatile("sti; hlt"); 3587836SJohn.Forte@Sun.COM} 3597836SJohn.Forte@Sun.COM