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 1.15 2003/11/01 00:18:29 njl Exp $
27 * $DragonFly: src/sys/i386/acpica5/Attic/acpi_machdep.c,v 1.1 2004/02/21 06:48:05 dillon Exp $
30 #include <sys/param.h>
33 #include <sys/fcntl.h>
34 #include <sys/kernel.h>
35 #include <sys/sysctl.h>
40 #include <dev/acpica/acpivar.h>
41 #include <dev/acpica/acpiio.h>
43 static device_t acpi_dev;
46 * APM driver emulation
49 #include <sys/select.h>
51 #include <machine/apm_bios.h>
52 #include <machine/pc/bios.h>
54 #include <i386/apm/apm.h>
56 u_int32_t acpi_reset_video = 1;
57 TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
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,
81 static int intr_model = ACPI_INTR_PIC;
84 acpi_capm_convert_battstate(struct acpi_battinfo *battp)
88 state = 0xff; /* XXX unknown */
90 if (battp->state & ACPI_BATT_STAT_DISCHARG) {
96 if (battp->state & ACPI_BATT_STAT_CRITICAL)
97 state = 2; /* critical */
98 if (battp->state & ACPI_BATT_STAT_CHARGING)
99 state = 3; /* charging */
101 /* If still unknown, determine it based on the battery capacity. */
103 if (battp->cap >= 50) {
104 state = 0; /* high */
114 acpi_capm_convert_battflags(struct acpi_battinfo *battp)
120 if (battp->cap >= 50) {
121 flags |= APM_BATT_HIGH;
123 if (battp->state & ACPI_BATT_STAT_CRITICAL)
124 flags |= APM_BATT_CRITICAL;
126 flags |= APM_BATT_LOW;
128 if (battp->state & ACPI_BATT_STAT_CHARGING)
129 flags |= APM_BATT_CHARGING;
130 if (battp->state == ACPI_BATT_STAT_NOT_PRESENT)
131 flags = APM_BATT_NOT_PRESENT;
137 acpi_capm_get_info(apm_info_t aip)
140 struct acpi_battinfo batt;
142 aip->ai_infoversion = 1;
145 aip->ai_status = apm_softc.active;
146 aip->ai_capabilities= 0xff00; /* XXX unknown */
148 if (acpi_acad_get_acline(&acline))
149 aip->ai_acline = 0xff; /* unknown */
151 aip->ai_acline = acline; /* on/off */
153 if (acpi_battery_get_battinfo(-1, &batt)) {
154 aip->ai_batt_stat = 0xff; /* unknown */
155 aip->ai_batt_life = 0xff; /* unknown */
156 aip->ai_batt_time = -1; /* unknown */
157 aip->ai_batteries = 0;
159 aip->ai_batt_stat = acpi_capm_convert_battstate(&batt);
160 aip->ai_batt_life = batt.cap;
161 aip->ai_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
162 aip->ai_batteries = acpi_battery_get_units();
169 acpi_capm_get_pwstatus(apm_pwstatus_t app)
173 struct acpi_battinfo batt;
175 if (app->ap_device != PMDV_ALLDEV &&
176 (app->ap_device < PMDV_BATT0 || app->ap_device > PMDV_BATT_ALL)) {
180 if (app->ap_device == PMDV_ALLDEV)
181 batt_unit = -1; /* all units */
183 batt_unit = app->ap_device - PMDV_BATT0;
185 if (acpi_battery_get_battinfo(batt_unit, &batt))
188 app->ap_batt_stat = acpi_capm_convert_battstate(&batt);
189 app->ap_batt_flag = acpi_capm_convert_battflags(&batt);
190 app->ap_batt_life = batt.cap;
191 app->ap_batt_time = (batt.min == -1) ? -1 : batt.min * 60;
193 if (acpi_acad_get_acline(&acline))
194 app->ap_acline = 0xff; /* unknown */
196 app->ap_acline = acline; /* on/off */
202 apmopen(dev_t dev, int flag, int fmt, d_thread_t *td)
208 apmclose(dev_t dev, int flag, int fmt, d_thread_t *td)
214 apmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, d_thread_t *td)
217 struct acpi_softc *acpi_sc;
218 struct apm_info info;
221 if ((acpi_sc = device_get_softc(acpi_dev)) == NULL)
226 if ((flag & FWRITE) == 0)
228 if (apm_softc.active)
229 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_suspend_sx);
234 if ((flag & FWRITE) == 0)
236 if (apm_softc.active)
237 acpi_SetSleepState(acpi_sc, acpi_sc->acpi_standby_sx);
241 case APMIO_GETINFO_OLD:
242 if (acpi_capm_get_info(&info))
244 aiop = (apm_info_old_t)addr;
245 aiop->ai_major = info.ai_major;
246 aiop->ai_minor = info.ai_minor;
247 aiop->ai_acline = info.ai_acline;
248 aiop->ai_batt_stat = info.ai_batt_stat;
249 aiop->ai_batt_life = info.ai_batt_life;
250 aiop->ai_status = info.ai_status;
253 if (acpi_capm_get_info((apm_info_t)addr))
256 case APMIO_GETPWSTATUS:
257 if (acpi_capm_get_pwstatus((apm_pwstatus_t)addr))
261 if ((flag & FWRITE) == 0)
263 apm_softc.active = 1;
266 if ((flag & FWRITE) == 0)
268 apm_softc.active = 0;
272 case APMIO_NOTHALTCPU:
275 if ((flag & FWRITE) == 0)
279 if ((flag & FWRITE) == 0)
281 bzero(addr, sizeof(struct apm_bios_arg));
292 apmwrite(dev_t dev, struct uio *uio, int ioflag)
294 return (uio->uio_resid);
298 apmpoll(dev_t dev, int events, d_thread_t *td)
304 acpi_capm_init(struct acpi_softc *sc)
306 make_dev(&apm_cdevsw, 0, 0, 5, 0664, "apm");
310 acpi_machdep_init(device_t dev)
312 struct acpi_softc *sc;
315 if ((sc = device_get_softc(acpi_dev)) == NULL)
319 * XXX: Prevent the PnP BIOS code from interfering with
320 * our own scan of ISA devices.
326 acpi_install_wakeup_handler(sc);
328 if (intr_model != ACPI_INTR_PIC)
329 acpi_SetIntrModel(intr_model);
331 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
332 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
333 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0,
334 "Call the VESA reset BIOS vector on the resume path");
340 acpi_SetDefaultIntrModel(int model)