diff options
Diffstat (limited to 'sys/i386/acpica/acpi_machdep.c')
-rw-r--r-- | sys/i386/acpica/acpi_machdep.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/sys/i386/acpica/acpi_machdep.c b/sys/i386/acpica/acpi_machdep.c new file mode 100644 index 0000000..228c4b7 --- /dev/null +++ b/sys/i386/acpica/acpi_machdep.c @@ -0,0 +1,335 @@ +/*- + * Copyright (c) 2001 Mitsuru IWASAKI + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/fcntl.h> +#include <sys/uio.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> +#include <dev/acpica/acpiio.h> + +static device_t acpi_dev; + +/* + * APM driver emulation + */ + +#include <sys/selinfo.h> + +#include <machine/apm_bios.h> +#include <machine/pc/bios.h> + +#include <i386/apm/apm.h> + +static struct apm_softc apm_softc; + +static d_open_t apmopen; +static d_close_t apmclose; +static d_write_t apmwrite; +static d_ioctl_t apmioctl; +static d_poll_t apmpoll; + +#define CDEV_MAJOR 39 +static struct cdevsw apm_cdevsw = { + /* open */ apmopen, + /* close */ apmclose, + /* read */ noread, + /* write */ apmwrite, + /* ioctl */ apmioctl, + /* poll */ apmpoll, + /* mmap */ nommap, + /* strategy */ nostrategy, + /* name */ "apm", + /* maj */ CDEV_MAJOR, + /* dump */ nodump, + /* psize */ nopsize, + /* flags */ 0, +}; + +static int +acpi_capm_convert_battstate(struct acpi_battinfo *battp) +{ + int state; + + state = 0xff; /* XXX unknown */ + + if (battp->state & ACPI_BATT_STAT_DISCHARG) { + if (battp->cap >= 50) { + state = 0; /* high */ + } else { + state = 1; /* low */ + } + } + if (battp->state & ACPI_BATT_STAT_CRITICAL) { + state = 2; /* critical */ + } + if (battp->state & ACPI_BATT_STAT_CHARGING) { + state = 3; /* charging */ + } + return (state); +} + +static int +acpi_capm_convert_battflags(struct acpi_battinfo *battp) +{ + int flags; + + flags = 0; + + if (battp->cap >= 50) { + flags |= APM_BATT_HIGH; + } else { + if (battp->state & ACPI_BATT_STAT_CRITICAL) { + flags |= APM_BATT_CRITICAL; + } else { + flags |= APM_BATT_LOW; + } + } + if (battp->state & ACPI_BATT_STAT_CHARGING) { + flags |= APM_BATT_CHARGING; + } + if (battp->state == ACPI_BATT_STAT_NOT_PRESENT) { + flags = APM_BATT_NOT_PRESENT; + } + + return (flags); +} + +static int +acpi_capm_get_info(apm_info_t aip) +{ + int acline; + struct acpi_battinfo batt; + + aip->ai_infoversion = 1; + aip->ai_major = 1; + aip->ai_minor = 2; + aip->ai_status = apm_softc.active; + aip->ai_capabilities= 0xff00; /* XXX unknown */ + + if (acpi_acad_get_acline(&acline)) { + aip->ai_acline = 0xff; /* unknown */ + } else { + aip->ai_acline = acline; /* on/off */ + } + + if (acpi_battery_get_battinfo(-1, &batt)) { + aip->ai_batt_stat = 0xff; /* unknown */ + aip->ai_batt_life = 0xff; /* unknown */ + aip->ai_batt_time = -1; /* unknown */ + aip->ai_batteries = 0; + } else { + aip->ai_batt_stat = acpi_capm_convert_battstate(&batt); + aip->ai_batt_life = batt.cap; + aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60; + aip->ai_batteries = acpi_battery_get_units(); + } + + return (0); +} + +static int +acpi_capm_get_pwstatus(apm_pwstatus_t app) +{ + int batt_unit; + int acline; + struct acpi_battinfo batt; + + if (app->ap_device != PMDV_ALLDEV && + (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL)) { + return (1); + } + + if (app->ap_device == PMDV_ALLDEV) { + batt_unit = -1; /* all units */ + } else { + batt_unit = app->ap_device - PMDV_BATT0; + } + + if (acpi_battery_get_battinfo(batt_unit, &batt)) { + return (1); + } + + app->ap_batt_stat = acpi_capm_convert_battstate(&batt); + app->ap_batt_flag = acpi_capm_convert_battflags(&batt); + app->ap_batt_life = batt.cap; + app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60; + + if (acpi_acad_get_acline(&acline)) { + app->ap_acline = 0xff; /* unknown */ + } else { + app->ap_acline = acline; /* on/off */ + } + + return (0); +} + +static int +apmopen(dev_t dev, int flag, int fmt, struct thread *td) +{ + return (0); +} + +static int +apmclose(dev_t dev, int flag, int fmt, struct thread *td) +{ + return (0); +} + +static int +apmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) +{ + int error = 0; + struct acpi_softc *acpi_sc; + struct apm_info info; + apm_info_old_t aiop; + + if ((acpi_sc = device_get_softc(acpi_dev)) == NULL) { + return (ENXIO); + } + + switch (cmd) { + case APMIO_SUSPEND: + if (!(flag & FWRITE)) + return (EPERM); + if (apm_softc.active) + acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx); + else + error = EINVAL; + break; + + case APMIO_STANDBY: + if (!(flag & FWRITE)) + return (EPERM); + if (apm_softc.active) + acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx); + else + error = EINVAL; + break; + + case APMIO_GETINFO_OLD: + if (acpi_capm_get_info(&info)) + error = ENXIO; + aiop = (apm_info_old_t)addr; + aiop->ai_major = info.ai_major; + aiop->ai_minor = info.ai_minor; + aiop->ai_acline = info.ai_acline; + aiop->ai_batt_stat = info.ai_batt_stat; + aiop->ai_batt_life = info.ai_batt_life; + aiop->ai_status = info.ai_status; + break; + + case APMIO_GETINFO: + if (acpi_capm_get_info((apm_info_t)addr)) + error = ENXIO; + + break; + + case APMIO_GETPWSTATUS: + if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr)) + error = ENXIO; + break; + + case APMIO_ENABLE: + if (!(flag & FWRITE)) + return (EPERM); + apm_softc.active = 1; + break; + + case APMIO_DISABLE: + if (!(flag & FWRITE)) + return (EPERM); + apm_softc.active = 0; + break; + + case APMIO_HALTCPU: + break; + + case APMIO_NOTHALTCPU: + break; + + case APMIO_DISPLAY: + if (!(flag & FWRITE)) + return (EPERM); + break; + + case APMIO_BIOS: + if (!(flag & FWRITE)) + return (EPERM); + bzero(addr, sizeof(struct apm_bios_arg)); + break; + + default: + error = EINVAL; + break; + } + + return (error); +} + +static int +apmwrite(dev_t dev, struct uio *uio, int ioflag) +{ + + return (uio->uio_resid); +} + +static int +apmpoll(dev_t dev, int events, struct thread *td) +{ + return (0); +} + +static void +acpi_capm_init(struct acpi_softc *sc) +{ + + make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm"); +} + +int +acpi_machdep_init(device_t dev) +{ + struct acpi_softc *sc; + + acpi_dev = dev; + if ((sc = device_get_softc(acpi_dev)) == NULL) { + return (ENXIO); + } + + acpi_capm_init(sc); + + acpi_install_wakeup_handler(sc); + + return (0); +} + |