summaryrefslogtreecommitdiffstats
path: root/sys/amd64/acpica/acpi_machdep.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/amd64/acpica/acpi_machdep.c')
-rw-r--r--sys/amd64/acpica/acpi_machdep.c335
1 files changed, 335 insertions, 0 deletions
diff --git a/sys/amd64/acpica/acpi_machdep.c b/sys/amd64/acpica/acpi_machdep.c
new file mode 100644
index 0000000..228c4b7
--- /dev/null
+++ b/sys/amd64/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);
+}
+
OpenPOWER on IntegriCloud