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 1.14 2008/09/29 06:59:45 hasso 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(NULL
, &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
)
165 int acline
, unit
, error
;
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 error
= acpi_battery_get_battinfo(NULL
, &batt
);
175 unit
= app
->ap_device
- PMDV_BATT0
;
176 dev
= devclass_get_device(devclass_find("battery"), unit
);
178 error
= acpi_battery_get_battinfo(dev
, &batt
);
185 app
->ap_batt_stat
= acpi_capm_convert_battstate(&batt
);
186 app
->ap_batt_flag
= acpi_capm_convert_battflags(&batt
);
187 app
->ap_batt_life
= batt
.cap
;
188 app
->ap_batt_time
= (batt
.min
== -1) ? -1 : batt
.min
* 60;
190 if (acpi_acad_get_acline(&acline
))
191 app
->ap_acline
= 0xff; /* unknown */
193 app
->ap_acline
= acline
; /* on/off */
199 apmopen(struct dev_open_args
*ap
)
205 apmclose(struct dev_close_args
*ap
)
211 apmioctl(struct dev_ioctl_args
*ap
)
214 struct acpi_softc
*acpi_sc
;
215 struct apm_info info
;
218 acpi_sc
= device_get_softc(acpi_dev
);
222 if ((ap
->a_fflag
& FWRITE
) == 0)
224 if (apm_softc
.active
)
225 acpi_SetSleepState(acpi_sc
, acpi_sc
->acpi_suspend_sx
);
230 if ((ap
->a_fflag
& FWRITE
) == 0)
232 if (apm_softc
.active
)
233 acpi_SetSleepState(acpi_sc
, acpi_sc
->acpi_standby_sx
);
237 case APMIO_GETINFO_OLD
:
238 if (acpi_capm_get_info(&info
))
240 aiop
= (apm_info_old_t
)ap
->a_data
;
241 aiop
->ai_major
= info
.ai_major
;
242 aiop
->ai_minor
= info
.ai_minor
;
243 aiop
->ai_acline
= info
.ai_acline
;
244 aiop
->ai_batt_stat
= info
.ai_batt_stat
;
245 aiop
->ai_batt_life
= info
.ai_batt_life
;
246 aiop
->ai_status
= info
.ai_status
;
249 if (acpi_capm_get_info((apm_info_t
)ap
->a_data
))
252 case APMIO_GETPWSTATUS
:
253 if (acpi_capm_get_pwstatus((apm_pwstatus_t
)ap
->a_data
))
257 if ((ap
->a_fflag
& FWRITE
) == 0)
259 apm_softc
.active
= 1;
262 if ((ap
->a_fflag
& FWRITE
) == 0)
264 apm_softc
.active
= 0;
268 case APMIO_NOTHALTCPU
:
271 if ((ap
->a_fflag
& FWRITE
) == 0)
275 if ((ap
->a_fflag
& FWRITE
) == 0)
277 bzero(ap
->a_data
, sizeof(struct apm_bios_arg
));
288 apmwrite(struct dev_write_args
*ap
)
290 return (ap
->a_uio
->uio_resid
);
294 apmpoll(struct dev_poll_args
*ap
)
301 acpi_capm_init(struct acpi_softc
*sc
)
303 dev_ops_add(&apm_ops
, 0, 0);
304 make_dev(&apm_ops
, 0, 0, 5, 0664, "apm");
305 make_dev(&apm_ops
, 8, 0, 5, 0664, "apm");
306 kprintf("Warning: ACPI is disabling APM's device. You can't run both\n");
310 acpi_machdep_init(device_t dev
)
312 struct acpi_softc
*sc
;
315 sc
= device_get_softc(acpi_dev
);
318 * XXX: Prevent the PnP BIOS code from interfering with
319 * our own scan of ISA devices.
325 acpi_install_wakeup_handler(sc
);
327 if (intr_model
== ACPI_INTR_PIC
)
328 BUS_CONFIG_INTR(dev
, AcpiGbl_FADT
.SciInterrupt
,
329 INTR_TRIGGER_LEVEL
, INTR_POLARITY_LOW
);
331 acpi_SetIntrModel(intr_model
);
333 SYSCTL_ADD_UINT(&sc
->acpi_sysctl_ctx
,
334 SYSCTL_CHILDREN(sc
->acpi_sysctl_tree
), OID_AUTO
,
335 "reset_video", CTLFLAG_RD
| CTLFLAG_RW
, &acpi_reset_video
, 0,
336 "Call the VESA reset BIOS vector on the resume path");
342 acpi_SetDefaultIntrModel(int model
)