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/i386/acpica5/Attic/acpi_machdep.c,v 1.9 2006/07/28 02:17:39 dillon 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>
54 #include <i386/apm/apm.h>
56 uint32_t acpi_reset_video = 1;
57 TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
59 static int intr_model = ACPI_INTR_PIC;
60 static struct apm_softc apm_softc;
62 static d_open_t apmopen;
63 static d_close_t apmclose;
64 static d_write_t apmwrite;
65 static d_ioctl_t apmioctl;
66 static d_poll_t apmpoll;
69 static struct dev_ops apm_ops = {
70 { "apm", CDEV_MAJOR, 0 },
79 acpi_capm_convert_battstate(struct acpi_battinfo *battp)
83 state = 0xff; /* XXX unknown */
85 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
91 if (battp->state & ACPI_BATT_STAT_CRITICAL)
92 state = 2; /* critical */
93 if (battp->state & ACPI_BATT_STAT_CHARGING)
94 state = 3; /* charging */
96 /* If still unknown, determine it based on the battery capacity. */
108 acpi_capm_convert_battflags(struct acpi_battinfo *battp)
114 if (battp->cap >= 50)
115 flags |= APM_BATT_HIGH;
117 if (battp->state & ACPI_BATT_STAT_CRITICAL)
118 flags |= APM_BATT_CRITICAL;
120 flags |= APM_BATT_LOW;
122 if (battp->state & ACPI_BATT_STAT_CHARGING)
123 flags |= APM_BATT_CHARGING;
124 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
125 flags = APM_BATT_NOT_PRESENT;
131 acpi_capm_get_info(apm_info_t aip)
134 struct acpi_battinfo batt;
136 aip->ai_infoversion = 1;
139 aip->ai_status = apm_softc.active;
140 aip->ai_capabilities= 0xff00; /* XXX unknown */
142 if (acpi_acad_get_acline(&acline))
143 aip->ai_acline = 0xff; /* unknown */
145 aip->ai_acline = acline; /* on/off */
147 if (acpi_battery_get_battinfo(-1, &batt)) {
148 aip->ai_batt_stat = 0xff; /* unknown */
149 aip->ai_batt_life = 0xff; /* unknown */
150 aip->ai_batt_time = -1; /* unknown */
151 aip->ai_batteries = 0;
153 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
154 aip->ai_batt_life = batt.cap;
155 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
156 aip->ai_batteries = acpi_battery_get_units();
163 acpi_capm_get_pwstatus(apm_pwstatus_t app)
167 struct acpi_battinfo batt;
169 if (app->ap_device != PMDV_ALLDEV &&
170 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
173 if (app->ap_device == PMDV_ALLDEV)
174 batt_unit = -1; /* all units */
176 batt_unit = app->ap_device - PMDV_BATT0;
178 if (acpi_battery_get_battinfo(batt_unit, &batt))
181 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
182 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
183 app->ap_batt_life = batt.cap;
184 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
186 if (acpi_acad_get_acline(&acline))
187 app->ap_acline = 0xff; /* unknown */
189 app->ap_acline = acline; /* on/off */
195 apmopen(struct dev_open_args *ap)
201 apmclose(struct dev_close_args *ap)
207 apmioctl(struct dev_ioctl_args *ap)
210 struct acpi_softc *acpi_sc;
211 struct apm_info info;
214 acpi_sc = device_get_softc(acpi_dev);
218 if ((ap->a_fflag & FWRITE) == 0)
220 if (apm_softc.active)
221 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
226 if ((ap->a_fflag & FWRITE) == 0)
228 if (apm_softc.active)
229 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
233 case APMIO_GETINFO_OLD:
234 if (acpi_capm_get_info(&info))
236 aiop = (apm_info_old_t)ap->a_data;
237 aiop->ai_major = info.ai_major;
238 aiop->ai_minor = info.ai_minor;
239 aiop->ai_acline = info.ai_acline;
240 aiop->ai_batt_stat = info.ai_batt_stat;
241 aiop->ai_batt_life = info.ai_batt_life;
242 aiop->ai_status = info.ai_status;
245 if (acpi_capm_get_info((apm_info_t)ap->a_data))
248 case APMIO_GETPWSTATUS:
249 if (acpi_capm_get_pwstatus((apm_pwstatus_t)ap->a_data))
253 if ((ap->a_fflag & FWRITE) == 0)
255 apm_softc.active = 1;
258 if ((ap->a_fflag & FWRITE) == 0)
260 apm_softc.active = 0;
264 case APMIO_NOTHALTCPU:
267 if ((ap->a_fflag & FWRITE) == 0)
271 if ((ap->a_fflag & FWRITE) == 0)
273 bzero(ap->a_data, sizeof(struct apm_bios_arg));
284 apmwrite(struct dev_write_args *ap)
286 return (ap->a_uio->uio_resid);
290 apmpoll(struct dev_poll_args *ap)
297 acpi_capm_init(struct acpi_softc *sc)
299 dev_ops_add(&apm_ops, 0, 0);
300 make_dev(&apm_ops, 0, 0, 5, 0664, "apm");
301 make_dev(&apm_ops, 8, 0, 5, 0664, "apm");
302 printf("Warning: ACPI is disabling APM's device. You can't run both\n");
306 acpi_machdep_init(device_t dev)
308 struct acpi_softc *sc;
311 sc = device_get_softc(acpi_dev);
314 * XXX: Prevent the PnP BIOS code from interfering with
315 * our own scan of ISA devices.
321 acpi_install_wakeup_handler(sc);
323 if (intr_model == ACPI_INTR_PIC)
324 BUS_CONFIG_INTR(dev, AcpiGbl_FADT->SciInt, INTR_TRIGGER_LEVEL,
327 acpi_SetIntrModel(intr_model);
329 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
330 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
331 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
332 "Call the VESA reset BIOS vector on the resume path");
338 acpi_SetDefaultIntrModel(int model)