2 * Copyright (c) 2001 Mitsuru IWASAKI
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/sys/i386/acpica/acpi_machdep.c,v 1.20 2004/05/05 19:51:15 njl Exp $
27 * $DragonFly: src/sys/platform/pc32/acpica5/acpi_machdep.c,v 1.13 2007/01/17 17:31:19 y0netan1 Exp $
30 #include <sys/param.h>
33 #include <sys/device.h>
34 #include <sys/fcntl.h>
35 #include <sys/kernel.h>
36 #include <sys/sysctl.h>
40 #include <dev/acpica5/acpivar.h>
41 #include <dev/acpica5/acpiio.h>
43 static device_t acpi_dev;
46 * APM driver emulation
49 #include <sys/selinfo.h>
51 #include <machine/apm_bios.h>
52 #include <machine/pc/bios.h>
53 #include <machine_base/apm/apm.h>
55 uint32_t acpi_reset_video = 1;
56 TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
58 static int intr_model = ACPI_INTR_PIC;
59 static struct apm_softc apm_softc;
61 static d_open_t apmopen;
62 static d_close_t apmclose;
63 static d_write_t apmwrite;
64 static d_ioctl_t apmioctl;
65 static d_poll_t apmpoll;
68 static struct dev_ops apm_ops = {
69 { "apm", CDEV_MAJOR, 0 },
78 acpi_capm_convert_battstate(struct acpi_battinfo *battp)
82 state = 0xff; /* XXX unknown */
84 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
90 if (battp->state & ACPI_BATT_STAT_CRITICAL)
91 state = 2; /* critical */
92 if (battp->state & ACPI_BATT_STAT_CHARGING)
93 state = 3; /* charging */
95 /* If still unknown, determine it based on the battery capacity. */
107 acpi_capm_convert_battflags(struct acpi_battinfo *battp)
113 if (battp->cap >= 50)
114 flags |= APM_BATT_HIGH;
116 if (battp->state & ACPI_BATT_STAT_CRITICAL)
117 flags |= APM_BATT_CRITICAL;
119 flags |= APM_BATT_LOW;
121 if (battp->state & ACPI_BATT_STAT_CHARGING)
122 flags |= APM_BATT_CHARGING;
123 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
124 flags = APM_BATT_NOT_PRESENT;
130 acpi_capm_get_info(apm_info_t aip)
133 struct acpi_battinfo batt;
135 aip->ai_infoversion = 1;
138 aip->ai_status = apm_softc.active;
139 aip->ai_capabilities= 0xff00; /* XXX unknown */
141 if (acpi_acad_get_acline(&acline))
142 aip->ai_acline = 0xff; /* unknown */
144 aip->ai_acline = acline; /* on/off */
146 if (acpi_battery_get_battinfo(-1, &batt)) {
147 aip->ai_batt_stat = 0xff; /* unknown */
148 aip->ai_batt_life = 0xff; /* unknown */
149 aip->ai_batt_time = -1; /* unknown */
150 aip->ai_batteries = 0;
152 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
153 aip->ai_batt_life = batt.cap;
154 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
155 aip->ai_batteries = acpi_battery_get_units();
162 acpi_capm_get_pwstatus(apm_pwstatus_t app)
166 struct acpi_battinfo batt;
168 if (app->ap_device != PMDV_ALLDEV &&
169 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
172 if (app->ap_device == PMDV_ALLDEV)
173 batt_unit = -1; /* all units */
175 batt_unit = app->ap_device - PMDV_BATT0;
177 if (acpi_battery_get_battinfo(batt_unit, &batt))
180 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
181 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
182 app->ap_batt_life = batt.cap;
183 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
185 if (acpi_acad_get_acline(&acline))
186 app->ap_acline = 0xff; /* unknown */
188 app->ap_acline = acline; /* on/off */
194 apmopen(struct dev_open_args *ap)
200 apmclose(struct dev_close_args *ap)
206 apmioctl(struct dev_ioctl_args *ap)
209 struct acpi_softc *acpi_sc;
210 struct apm_info info;
213 acpi_sc = device_get_softc(acpi_dev);
217 if ((ap->a_fflag & FWRITE) == 0)
219 if (apm_softc.active)
220 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
225 if ((ap->a_fflag & FWRITE) == 0)
227 if (apm_softc.active)
228 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
232 case APMIO_GETINFO_OLD:
233 if (acpi_capm_get_info(&info))
235 aiop = (apm_info_old_t)ap->a_data;
236 aiop->ai_major = info.ai_major;
237 aiop->ai_minor = info.ai_minor;
238 aiop->ai_acline = info.ai_acline;
239 aiop->ai_batt_stat = info.ai_batt_stat;
240 aiop->ai_batt_life = info.ai_batt_life;
241 aiop->ai_status = info.ai_status;
244 if (acpi_capm_get_info((apm_info_t)ap->a_data))
247 case APMIO_GETPWSTATUS:
248 if (acpi_capm_get_pwstatus((apm_pwstatus_t)ap->a_data))
252 if ((ap->a_fflag & FWRITE) == 0)
254 apm_softc.active = 1;
257 if ((ap->a_fflag & FWRITE) == 0)
259 apm_softc.active = 0;
263 case APMIO_NOTHALTCPU:
266 if ((ap->a_fflag & FWRITE) == 0)
270 if ((ap->a_fflag & FWRITE) == 0)
272 bzero(ap->a_data, sizeof(struct apm_bios_arg));
283 apmwrite(struct dev_write_args *ap)
285 return (ap->a_uio->uio_resid);
289 apmpoll(struct dev_poll_args *ap)
296 acpi_capm_init(struct acpi_softc *sc)
298 dev_ops_add(&apm_ops, 0, 0);
299 make_dev(&apm_ops, 0, 0, 5, 0664, "apm");
300 make_dev(&apm_ops, 8, 0, 5, 0664, "apm");
301 kprintf("Warning: ACPI is disabling APM's device. You can't run both\n");
305 acpi_machdep_init(device_t dev)
307 struct acpi_softc *sc;
310 sc = device_get_softc(acpi_dev);
313 * XXX: Prevent the PnP BIOS code from interfering with
314 * our own scan of ISA devices.
320 acpi_install_wakeup_handler(sc);
322 if (intr_model == ACPI_INTR_PIC)
323 BUS_CONFIG_INTR(dev, AcpiGbl_FADT.SciInterrupt,
324 INTR_TRIGGER_LEVEL, INTR_POLARITY_LOW);
326 acpi_SetIntrModel(intr_model);
328 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
329 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
330 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
331 "Call the VESA reset BIOS vector on the resume path");
337 acpi_SetDefaultIntrModel(int model)