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 1.6 2004/09/15 16:33:09 joerg Exp $
30 #include <sys/param.h>
33 #include <sys/fcntl.h>
34 #include <sys/kernel.h>
35 #include <sys/sysctl.h>
39 #include <dev/acpica5/acpivar.h>
40 #include <dev/acpica5/acpiio.h>
42 static device_t acpi_dev;
45 * APM driver emulation
48 #include <sys/select.h>
50 #include <machine/apm_bios.h>
51 #include <machine/pc/bios.h>
53 #include <i386/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 cdevsw apm_cdevsw = {
75 .old_close = apmclose,
76 .old_write = apmwrite,
77 .old_ioctl = apmioctl,
82 acpi_capm_convert_battstate(struct acpi_battinfo *battp)
86 state = 0xff; /* XXX unknown */
88 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
94 if (battp->state & ACPI_BATT_STAT_CRITICAL)
95 state = 2; /* critical */
96 if (battp->state & ACPI_BATT_STAT_CHARGING)
97 state = 3; /* charging */
99 /* If still unknown, determine it based on the battery capacity. */
101 if (battp->cap >= 50)
102 state = 0; /* high */
111 acpi_capm_convert_battflags(struct acpi_battinfo *battp)
117 if (battp->cap >= 50)
118 flags |= APM_BATT_HIGH;
120 if (battp->state & ACPI_BATT_STAT_CRITICAL)
121 flags |= APM_BATT_CRITICAL;
123 flags |= APM_BATT_LOW;
125 if (battp->state & ACPI_BATT_STAT_CHARGING)
126 flags |= APM_BATT_CHARGING;
127 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
128 flags = APM_BATT_NOT_PRESENT;
134 acpi_capm_get_info(apm_info_t aip)
137 struct acpi_battinfo batt;
139 aip->ai_infoversion = 1;
142 aip->ai_status = apm_softc.active;
143 aip->ai_capabilities= 0xff00; /* XXX unknown */
145 if (acpi_acad_get_acline(&acline))
146 aip->ai_acline = 0xff; /* unknown */
148 aip->ai_acline = acline; /* on/off */
150 if (acpi_battery_get_battinfo(-1, &batt)) {
151 aip->ai_batt_stat = 0xff; /* unknown */
152 aip->ai_batt_life = 0xff; /* unknown */
153 aip->ai_batt_time = -1; /* unknown */
154 aip->ai_batteries = 0;
156 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
157 aip->ai_batt_life = batt.cap;
158 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
159 aip->ai_batteries = acpi_battery_get_units();
166 acpi_capm_get_pwstatus(apm_pwstatus_t app)
170 struct acpi_battinfo batt;
172 if (app->ap_device != PMDV_ALLDEV &&
173 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL))
176 if (app->ap_device == PMDV_ALLDEV)
177 batt_unit = -1; /* all units */
179 batt_unit = app->ap_device - PMDV_BATT0;
181 if (acpi_battery_get_battinfo(batt_unit, &batt))
184 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
185 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
186 app->ap_batt_life = batt.cap;
187 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
189 if (acpi_acad_get_acline(&acline))
190 app->ap_acline = 0xff; /* unknown */
192 app->ap_acline = acline; /* on/off */
198 apmopen(dev_t dev, int flag, int fmt, d_thread_t *td)
204 apmclose(dev_t dev, int flag, int fmt, d_thread_t *td)
210 apmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td)
213 struct acpi_softc *acpi_sc;
214 struct apm_info info;
217 acpi_sc = device_get_softc(acpi_dev);
221 if ((flag & FWRITE) == 0)
223 if (apm_softc.active)
224 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
229 if ((flag & FWRITE) == 0)
231 if (apm_softc.active)
232 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
236 case APMIO_GETINFO_OLD:
237 if (acpi_capm_get_info(&info))
239 aiop = (apm_info_old_t)addr;
240 aiop->ai_major = info.ai_major;
241 aiop->ai_minor = info.ai_minor;
242 aiop->ai_acline = info.ai_acline;
243 aiop->ai_batt_stat = info.ai_batt_stat;
244 aiop->ai_batt_life = info.ai_batt_life;
245 aiop->ai_status = info.ai_status;
248 if (acpi_capm_get_info((apm_info_t)addr))
251 case APMIO_GETPWSTATUS:
252 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
256 if ((flag & FWRITE) == 0)
258 apm_softc.active = 1;
261 if ((flag & FWRITE) == 0)
263 apm_softc.active = 0;
267 case APMIO_NOTHALTCPU:
270 if ((flag & FWRITE) == 0)
274 if ((flag & FWRITE) == 0)
276 bzero(addr, sizeof(struct apm_bios_arg));
287 apmwrite(dev_t dev, struct uio *uio, int ioflag)
289 return (uio->uio_resid);
293 apmpoll(dev_t dev, int events, d_thread_t *td)
299 acpi_capm_init(struct acpi_softc *sc)
301 cdevsw_add(&apm_cdevsw, 0, 0);
302 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
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)